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/* Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com> Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl> Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com> Copyright (C) 2012 Arpad Borsos <arpad.borsos@googlemail.com> Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com> Copyright (C) 2011 Yusuke Suzuki <utatane.tea@gmail.com> Copyright (C) 2011 Arpad Borsos <arpad.borsos@googlemail.com> Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ var testFixture = { 'Primary Expression': { 'this\n': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'ThisExpression', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 0 } } }], range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 0 } }, tokens: [{ type: 'Keyword', value: 'this', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }] }, 'null\n': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: null, raw: 'null', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 0 } } }], range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 0 } }, tokens: [{ type: 'Null', value: 'null', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }] }, '\n 42\n\n': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', range: [5, 7], loc: { start: { line: 2, column: 4 }, end: { line: 2, column: 6 } } }, range: [5, 9], loc: { start: { line: 2, column: 4 }, end: { line: 4, column: 0 } } }], range: [5, 9], loc: { start: { line: 2, column: 4 }, end: { line: 4, column: 0 } }, tokens: [{ type: 'Numeric', value: '42', range: [5, 7], loc: { start: { line: 2, column: 4 }, end: { line: 2, column: 6 } } }] }, '(1 + 2 ) * 3': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '*', left: { type: 'BinaryExpression', operator: '+', left: { type: 'Literal', value: 1, raw: '1', range: [1, 2], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 2 } } }, right: { type: 'Literal', value: 2, raw: '2', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, range: [1, 6], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 6 } } }, right: { type: 'Literal', value: 3, raw: '3', range: [11, 12], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 12 } } }, range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } } }, 'Grouping Operator': { '(1) + (2 ) + 3': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '+', left: { type: 'BinaryExpression', operator: '+', left: { type: 'Literal', value: 1, raw: '1', range: [1, 2], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 2 } } }, right: { type: 'Literal', value: 2, raw: '2', range: [7, 8], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 8 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, right: { type: 'Literal', value: 3, raw: '3', range: [14, 15], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 15 } } }, range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } } }, range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } } }, '4 + 5 << (6)': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '<<', left: { type: 'BinaryExpression', operator: '+', left: { type: 'Literal', value: 4, raw: '4', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Literal', value: 5, raw: '5', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, right: { type: 'Literal', value: 6, raw: '6', range: [10, 11], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 11 } } }, range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } } }, 'Array Initializer': { 'x = []': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ArrayExpression', elements: [], range: [4, 6], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }], range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } }, tokens: [{ type: 'Identifier', value: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, { type: 'Punctuator', value: '=', range: [2, 3], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 3 } } }, { type: 'Punctuator', value: '[', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, { type: 'Punctuator', value: ']', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }] }, 'x = [ ]': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ArrayExpression', elements: [], range: [4, 7], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, 'x = [ 42 ]': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ArrayExpression', elements: [{ type: 'Literal', value: 42, raw: '42', range: [6, 8], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 8 } } }], range: [4, 10], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 10 } } }, range: [0, 10], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 10 } } }, range: [0, 10], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 10 } } }, 'x = [ 42, ]': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ArrayExpression', elements: [{ type: 'Literal', value: 42, raw: '42', range: [6, 8], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 8 } } }], range: [4, 11], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, 'x = [ ,, 42 ]': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ArrayExpression', elements: [ null, null, { type: 'Literal', value: 42, raw: '42', range: [9, 11], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 11 } } }], range: [4, 13], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 13 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, 'x = [ 1, 2, 3, ]': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ArrayExpression', elements: [{ type: 'Literal', value: 1, raw: '1', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, { type: 'Literal', value: 2, raw: '2', range: [9, 10], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 10 } } }, { type: 'Literal', value: 3, raw: '3', range: [12, 13], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 13 } } }], range: [4, 16], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 16 } } }, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, 'x = [ 1, 2,, 3, ]': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ArrayExpression', elements: [{ type: 'Literal', value: 1, raw: '1', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, { type: 'Literal', value: 2, raw: '2', range: [9, 10], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 10 } } }, null, { type: 'Literal', value: 3, raw: '3', range: [13, 14], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 14 } } }], range: [4, 17], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 17 } } }, range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } } }, range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } } }, '日本語 = []': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: '日本語', range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, right: { type: 'ArrayExpression', elements: [], range: [6, 8], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 8 } } }, range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, 'T\u203F = []': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'T\u203F', range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, right: { type: 'ArrayExpression', elements: [], range: [5, 7], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, 'T\u200C = []': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'T\u200C', range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, right: { type: 'ArrayExpression', elements: [], range: [5, 7], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, 'T\u200D = []': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'T\u200D', range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, right: { type: 'ArrayExpression', elements: [], range: [5, 7], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, '\u2163\u2161 = []': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: '\u2163\u2161', range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, right: { type: 'ArrayExpression', elements: [], range: [5, 7], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, '\u2163\u2161\u200A=\u2009[]': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: '\u2163\u2161', range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, right: { type: 'ArrayExpression', elements: [], range: [5, 7], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } } }, 'Object Initializer': { 'x = {}': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ObjectExpression', properties: [], range: [4, 6], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, 'x = { }': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ObjectExpression', properties: [], range: [4, 7], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, 'x = { answer: 42 }': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Identifier', name: 'answer', range: [6, 12], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 12 } } }, value: { type: 'Literal', value: 42, raw: '42', range: [14, 16], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 16 } } }, kind: 'init', range: [6, 16], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 16 } } }], range: [4, 18], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 18 } } }, range: [0, 18], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 18 } } }, range: [0, 18], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 18 } } }, 'x = { if: 42 }': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Identifier', name: 'if', range: [6, 8], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 8 } } }, value: { type: 'Literal', value: 42, raw: '42', range: [10, 12], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 12 } } }, kind: 'init', range: [6, 12], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 12 } } }], range: [4, 14], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, 'x = { true: 42 }': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Identifier', name: 'true', range: [6, 10], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 10 } } }, value: { type: 'Literal', value: 42, raw: '42', range: [12, 14], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 14 } } }, kind: 'init', range: [6, 14], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 14 } } }], range: [4, 16], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 16 } } }, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, 'x = { false: 42 }': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Identifier', name: 'false', range: [6, 11], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 11 } } }, value: { type: 'Literal', value: 42, raw: '42', range: [13, 15], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 15 } } }, kind: 'init', range: [6, 15], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 15 } } }], range: [4, 17], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 17 } } }, range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } } }, range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } } }, 'x = { null: 42 }': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Identifier', name: 'null', range: [6, 10], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 10 } } }, value: { type: 'Literal', value: 42, raw: '42', range: [12, 14], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 14 } } }, kind: 'init', range: [6, 14], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 14 } } }], range: [4, 16], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 16 } } }, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, 'x = { "answer": 42 }': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Literal', value: 'answer', raw: '"answer"', range: [6, 14], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 14 } } }, value: { type: 'Literal', value: 42, raw: '42', range: [16, 18], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 18 } } }, kind: 'init', range: [6, 18], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 18 } } }], range: [4, 20], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 20 } } }, range: [0, 20], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 20 } } }, range: [0, 20], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 20 } } }, 'x = { x: 1, x: 2 }': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ObjectExpression', properties: [ { type: 'Property', key: { type: 'Identifier', name: 'x', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, value: { type: 'Literal', value: 1, raw: '1', range: [9, 10], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 10 } } }, kind: 'init', range: [6, 10], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 10 } } }, { type: 'Property', key: { type: 'Identifier', name: 'x', range: [12, 13], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 13 } } }, value: { type: 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expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Literal', value: 10, raw: '10', range: [10, 12], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 12 } } }, value: { type: 'FunctionExpression', id: null, params: [{ type: 'Identifier', name: 'w', range: [13, 14], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 14 } } }], defaults: [], body: { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'm_null', range: [18, 24], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 24 } } }, right: { type: 'Identifier', name: 'w', range: [27, 28], loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 28 } } }, range: [18, 28], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 28 } } }, range: [18, 29], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 29 } } }], range: [16, 30], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 30 } } }, rest: null, generator: false, expression: false, range: [16, 30], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 30 } } }, kind: 'set', range: [6, 30], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 30 } } }], range: [4, 32], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 32 } } }, range: [0, 32], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 32 } } }, range: [0, 32], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 32 } } }, 'x = { get: 42 }': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Identifier', name: 'get', range: [6, 9], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 9 } } }, value: { type: 'Literal', value: 42, raw: '42', range: [11, 13], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 13 } } }, kind: 'init', range: [6, 13], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 13 } } }], range: [4, 15], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 15 } } }, range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } } }, range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } } }, 'x = { set: 43 }': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Identifier', name: 'set', range: [6, 9], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 9 } } }, value: { type: 'Literal', value: 43, raw: '43', range: [11, 13], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 13 } } }, kind: 'init', range: [6, 13], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 13 } } }], range: [4, 15], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 15 } } }, range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } } }, range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } } } }, 'Comments': { '/* block comment */ 42': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', range: [20, 22], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 22 } } }, range: [20, 22], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 22 } } }, '42 /*The*/ /*Answer*/': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, range: [0, 21], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 21 } } }], range: [0, 21], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 21 } }, comments: [{ type: 'Block', value: 'The', range: [3, 10], loc: { start: { line: 1, column: 3 }, end: { line: 1, column: 10 } } }, { type: 'Block', value: 'Answer', range: [11, 21], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 21 } } }] }, '42 /*the*/ /*answer*/': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', range: [0, 2] }, range: [0, 21] }], range: [0, 21], comments: [{ type: 'Block', value: 'the', range: [3, 10] }, { type: 'Block', value: 'answer', range: [11, 21] }] }, '/* multiline\ncomment\nshould\nbe\nignored */ 42': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', range: [42, 44], loc: { start: { line: 5, column: 11 }, end: { line: 5, column: 13 } } }, range: [42, 44], loc: { start: { line: 5, column: 11 }, end: { line: 5, column: 13 } } }, '/*a\r\nb*/ 42': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', range: [9, 11], loc: { start: { line: 2, column: 4 }, end: { line: 2, column: 6 } } }, range: [9, 11], loc: { start: { line: 2, column: 4 }, end: { line: 2, column: 6 } } }], range: [9, 11], loc: { start: { line: 2, column: 4 }, end: { line: 2, column: 6 } }, comments: [{ type: 'Block', value: 'a\r\nb', range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 3 } } }] }, '/*a\rb*/ 42': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', range: [8, 10], loc: { start: { line: 2, column: 4 }, end: { line: 2, column: 6 } } }, range: [8, 10], loc: { start: { line: 2, column: 4 }, end: { line: 2, column: 6 } } }], range: [8, 10], loc: { start: { line: 2, column: 4 }, end: { line: 2, column: 6 } }, comments: [{ type: 'Block', value: 'a\rb', range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 3 } } }] }, '/*a\nb*/ 42': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', range: [8, 10], loc: { start: { line: 2, column: 4 }, end: { line: 2, column: 6 } } }, range: [8, 10], loc: { start: { line: 2, column: 4 }, end: { line: 2, column: 6 } } }], range: [8, 10], loc: { start: { line: 2, column: 4 }, end: { line: 2, column: 6 } }, comments: [{ type: 'Block', value: 'a\nb', range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 3 } } }] }, '/*a\nc*/ 42': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', loc: { start: { line: 2, column: 4 }, end: { line: 2, column: 6 } } }, loc: { start: { line: 2, column: 4 }, end: { line: 2, column: 6 } } }], loc: { start: { line: 2, column: 4 }, end: { line: 2, column: 6 } }, comments: [{ type: 'Block', value: 'a\nc', loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 3 } } }] }, '// line comment\n42': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', range: [16, 18], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 2 } } }, range: [16, 18], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 2 } } }, '42 // line comment': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, range: [0, 18], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 18 } } }], range: [0, 18], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 18 } }, comments: [{ type: 'Line', value: ' line comment', range: [3, 18], loc: { start: { line: 1, column: 3 }, end: { line: 1, column: 18 } } }] }, '// Hello, world!\n42': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', range: [17, 19], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 2 } } }, range: [17, 19], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 2 } } }], range: [17, 19], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 2 } }, comments: [{ type: 'Line', value: ' Hello, world!', range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }] }, '// Hello, world!\n': { type: 'Program', body: [], range: [17, 17], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 0 } }, comments: [{ type: 'Line', value: ' Hello, world!', range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }] }, '// Hallo, world!\n': { type: 'Program', body: [], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 0 } }, comments: [{ type: 'Line', value: ' Hallo, world!', loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }] }, '//\n42': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', range: [3, 5], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 2 } } }, range: [3, 5], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 2 } } }], range: [3, 5], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 2 } }, comments: [{ type: 'Line', value: '', range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }] }, '//': { type: 'Program', body: [], range: [2, 2], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 2 } }, comments: [{ type: 'Line', value: '', range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }] }, '// ': { type: 'Program', body: [], range: [3, 3], comments: [{ type: 'Line', value: ' ', range: [0, 3] }] }, '/**/42': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', range: [4, 6], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 6 } } }, range: [4, 6], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 6 } } }], range: [4, 6], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 6 } }, comments: [{ type: 'Block', value: '', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }] }, '// Hello, world!\n\n// Another hello\n42': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', range: [37, 39], loc: { start: { line: 4, column: 0 }, end: { line: 4, column: 2 } } }, range: [37, 39], loc: { start: { line: 4, column: 0 }, end: { line: 4, column: 2 } } }], range: [37, 39], loc: { start: { line: 4, column: 0 }, end: { line: 4, column: 2 } }, comments: [{ type: 'Line', value: ' Hello, world!', range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, { type: 'Line', value: ' Another hello', range: [18, 36], loc: { start: { line: 3, column: 0 }, end: { line: 3, column: 18 } } }] }, 'if (x) { // Some comment\ndoThat(); }': { type: 'Program', body: [{ type: 'IfStatement', test: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, consequent: { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'doThat', range: [25, 31], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 6 } } }, 'arguments': [], range: [25, 33], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 8 } } }, range: [25, 34], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 9 } } }], range: [7, 36], loc: { start: { line: 1, column: 7 }, end: { line: 2, column: 11 } } }, alternate: null, range: [0, 36], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 11 } } }], range: [0, 36], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 11 } }, comments: [{ type: 'Line', value: ' Some comment', range: [9, 24], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 24 } } }] }, 'switch (answer) { case 42: /* perfect */ bingo() }': { type: 'Program', body: [{ type: 'SwitchStatement', discriminant: { type: 'Identifier', name: 'answer', range: [8, 14], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 14 } } }, cases: [{ type: 'SwitchCase', test: { type: 'Literal', value: 42, raw: '42', range: [23, 25], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 25 } } }, consequent: [{ type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'bingo', range: [41, 46], loc: { start: { line: 1, column: 41 }, end: { line: 1, column: 46 } } }, 'arguments': [], range: [41, 48], loc: { start: { line: 1, column: 41 }, end: { line: 1, column: 48 } } }, range: [41, 49], loc: { start: { line: 1, column: 41 }, end: { line: 1, column: 49 } } }], range: [18, 49], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 49 } } }], range: [0, 50], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 50 } } }], range: [0, 50], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 50 } }, comments: [{ type: 'Block', value: ' perfect ', range: [27, 40], loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 40 } } }] } }, 'Numeric Literals': { '0': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 0, raw: '0', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, '42': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 42, raw: '42', range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, '3': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 3, raw: '3', range: [0, 1] }, range: [0, 1] }], range: [0, 1], tokens: [{ type: 'Numeric', value: '3', range: [0, 1] }] }, '5': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 5, raw: '5', loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } }, tokens: [{ type: 'Numeric', value: '5', loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }] }, '.14': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 0.14, raw: '.14', range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, '3.14159': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 3.14159, raw: '3.14159', range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, '6.02214179e+23': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 6.02214179e+23, raw: '6.02214179e+23', range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, '1.492417830e-10': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 1.49241783e-10, raw: '1.492417830e-10', range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } } }, range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } } }, '0x0': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 0, raw: '0x0', range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, '0e+100': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 0, raw: '0e+100', range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, '0xabc': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 0xabc, raw: '0xabc', range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, '0xdef': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 0xdef, raw: '0xdef', range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, '0X1A': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 0x1A, raw: '0X1A', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, '0x10': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 0x10, raw: '0x10', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, '0x100': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 0x100, raw: '0x100', range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, '0X04': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 0X04, raw: '0X04', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, '02': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 2, raw: '02', range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, '012': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 10, raw: '012', range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, '0012': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 10, raw: '0012', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } } }, 'String Literals': { '"Hello"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'Hello', raw: '"Hello"', range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, '"\\n\\r\\t\\v\\b\\f\\\\\\\'\\"\\0"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: '\n\r\t\x0B\b\f\\\'"\x00', raw: '"\\n\\r\\t\\v\\b\\f\\\\\\\'\\"\\0"', range: [0, 22], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 22 } } }, range: [0, 22], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 22 } } }, '"\\u0061"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'a', raw: '"\\u0061"', range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, '"\\x61"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'a', raw: '"\\x61"', range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, '"\\u00"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'u00', raw: '"\\u00"', range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, '"\\xt"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'xt', raw: '"\\xt"', range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, '"Hello\\nworld"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'Hello\nworld', raw: '"Hello\\nworld"', range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, '"Hello\\\nworld"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'Helloworld', raw: '"Hello\\\nworld"', range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 14 } } }, '"Hello\\02World"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'Hello\u0002World', raw: '"Hello\\02World"', range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } } }, range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } } }, '"Hello\\012World"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'Hello\u000AWorld', raw: '"Hello\\012World"', range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, '"Hello\\122World"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'Hello\122World', raw: '"Hello\\122World"', range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, '"Hello\\0122World"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'Hello\u000A2World', raw: '"Hello\\0122World"', range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } } }, range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } } }, '"Hello\\312World"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'Hello\u00CAWorld', raw: '"Hello\\312World"', range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, '"Hello\\412World"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'Hello\412World', raw: '"Hello\\412World"', range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, '"Hello\\812World"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'Hello812World', raw: '"Hello\\812World"', range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, '"Hello\\712World"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'Hello\712World', raw: '"Hello\\712World"', range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, '"Hello\\0World"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'Hello\u0000World', raw: '"Hello\\0World"', range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, '"Hello\\\r\nworld"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'Helloworld', raw: '"Hello\\\r\nworld"', range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 15 } } }, range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 15 } } }, '"Hello\\1World"': { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'Hello\u0001World', raw: '"Hello\\1World"', range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } } }, 'Regular Expression Literals': { 'var x = /[a-z]/i': { type: 'Program', body: [{ type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, init: { type: 'Literal', value: '/[a-z]/i', raw: '/[a-z]/i', range: [8, 16], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 16 } } }, range: [4, 16], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 16 } } }], kind: 'var', range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }], range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } }, tokens: [{ type: 'Keyword', value: 'var', range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, { type: 'Identifier', value: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, { type: 'Punctuator', value: '=', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, { type: 'RegularExpression', value: '/[a-z]/i', range: [8, 16], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 16 } } }] }, 'var x = /[x-z]/i': { type: 'Program', body: [{ type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [4, 5] }, init: { type: 'Literal', value: '/[x-z]/i', raw: '/[x-z]/i', range: [8, 16] }, range: [4, 16] }], kind: 'var', range: [0, 16] }], range: [0, 16], tokens: [{ type: 'Keyword', value: 'var', range: [0, 3] }, { type: 'Identifier', value: 'x', range: [4, 5] }, { type: 'Punctuator', value: '=', range: [6, 7] }, { type: 'RegularExpression', value: '/[x-z]/i', range: [8, 16] }] }, 'var x = /[a-c]/i': { type: 'Program', body: [{ type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, init: { type: 'Literal', value: '/[a-c]/i', raw: '/[a-c]/i', loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 16 } } }, loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 16 } } }], kind: 'var', loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } }, tokens: [{ type: 'Keyword', value: 'var', loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, { type: 'Identifier', value: 'x', loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, { type: 'Punctuator', value: '=', loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, { type: 'RegularExpression', value: '/[a-c]/i', loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 16 } } }] }, 'var x = /[P QR]/i': { type: 'Program', body: [{ type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, init: { type: 'Literal', value: '/[P QR]/i', raw: '/[P QR]/i', range: [8, 17], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 17 } } }, range: [4, 17], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 17 } } }], kind: 'var', range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } } }], range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } }, tokens: [{ type: 'Keyword', value: 'var', range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, { type: 'Identifier', value: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, { type: 'Punctuator', value: '=', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, { type: 'RegularExpression', value: '/[P QR]/i', range: [8, 17], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 17 } } }] }, 'var x = /[\\]/]/': { type: 'Program', body: [{ type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, init: { type: 'Literal', value: new RegExp('[\\]/]').toString(), raw: '/[\\]/]/', range: [8, 15], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 15 } } }, range: [4, 15], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 15 } } }], kind: 'var', range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } } }], range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } }, tokens: [{ type: 'Keyword', value: 'var', range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, { type: 'Identifier', value: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, { type: 'Punctuator', value: '=', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, { type: 'RegularExpression', value: '/[\\]/]/', range: [8, 15], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 15 } } }] }, 'var x = /foo\\/bar/': { type: 'Program', body: [{ type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, init: { type: 'Literal', value: '/foo\\/bar/', raw: '/foo\\/bar/', range: [8, 18], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 18 } } }, range: [4, 18], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 18 } } }], kind: 'var', range: [0, 18], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 18 } } }], range: [0, 18], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 18 } }, tokens: [{ type: 'Keyword', value: 'var', range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, { type: 'Identifier', value: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, { type: 'Punctuator', value: '=', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, { type: 'RegularExpression', value: '/foo\\/bar/', range: [8, 18], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 18 } } }] }, 'var x = /=([^=\\s])+/g': { type: 'Program', body: [{ type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, init: { type: 'Literal', value: '/=([^=\\s])+/g', raw: '/=([^=\\s])+/g', range: [8, 21], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 21 } } }, range: [4, 21], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 21 } } }], kind: 'var', range: [0, 21], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 21 } } }], range: [0, 21], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 21 } }, tokens: [{ type: 'Keyword', value: 'var', range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, { type: 'Identifier', value: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, { type: 'Punctuator', value: '=', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, { type: 'RegularExpression', value: '/=([^=\\s])+/g', range: [8, 21], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 21 } } }] }, 'var x = /[P QR]/\\u0067': { type: 'Program', body: [{ type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, init: { type: 'Literal', value: '/[P QR]/g', raw: '/[P QR]/\\u0067', range: [8, 22], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 22 } } }, range: [4, 22], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 22 } } }], kind: 'var', range: [0, 22], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 22 } } }], range: [0, 22], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 22 } }, tokens: [{ type: 'Keyword', value: 'var', range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, { type: 'Identifier', value: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, { type: 'Punctuator', value: '=', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, { type: 'RegularExpression', value: '/[P QR]/\\u0067', range: [8, 22], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 22 } } }] }, 'var x = /[P QR]/\\g': { type: 'Program', body: [{ type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, init: { type: 'Literal', value: '/[P QR]/g', raw: '/[P QR]/\\g', range: [8, 18], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 18 } } }, range: [4, 18], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 18 } } }], kind: 'var', range: [0, 18], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 18 } } }], range: [0, 18], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 18 } }, tokens: [{ type: 'Keyword', value: 'var', range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, { type: 'Identifier', value: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, { type: 'Punctuator', value: '=', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, { type: 'RegularExpression', value: '/[P QR]/\\g', range: [8, 18], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 18 } } }] } }, 'Left-Hand-Side Expression': { 'new Button': { type: 'ExpressionStatement', expression: { type: 'NewExpression', callee: { type: 'Identifier', name: 'Button', range: [4, 10], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 10 } } }, 'arguments': [], range: [0, 10], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 10 } } }, range: [0, 10], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 10 } } }, 'new Button()': { type: 'ExpressionStatement', expression: { type: 'NewExpression', callee: { type: 'Identifier', name: 'Button', range: [4, 10], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 10 } } }, 'arguments': [], range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, 'new new foo': { type: 'ExpressionStatement', expression: { type: 'NewExpression', callee: { type: 'NewExpression', callee: { type: 'Identifier', name: 'foo', range: [8, 11], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 11 } } }, 'arguments': [], range: [4, 11], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 11 } } }, 'arguments': [], range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, 'new new foo()': { type: 'ExpressionStatement', expression: { type: 'NewExpression', callee: { type: 'NewExpression', callee: { type: 'Identifier', name: 'foo', range: [8, 11], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 11 } } }, 'arguments': [], range: [4, 13], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 13 } } }, 'arguments': [], range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, 'new foo().bar()': { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'MemberExpression', computed: false, object: { type: 'NewExpression', callee: { type: 'Identifier', name: 'foo', range: [4, 7], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 7 } } }, 'arguments': [], range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, property: { type: 'Identifier', name: 'bar', range: [10, 13], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 13 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, 'arguments': [], range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } } }, range: [0, 15], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 15 } } }, 'new foo[bar]': { type: 'ExpressionStatement', expression: { type: 'NewExpression', callee: { type: 'MemberExpression', computed: true, object: { type: 'Identifier', name: 'foo', range: [4, 7], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 7 } } }, property: { type: 'Identifier', name: 'bar', range: [8, 11], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 11 } } }, range: [4, 12], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 12 } } }, 'arguments': [], range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, 'new foo.bar()': { type: 'ExpressionStatement', expression: { type: 'NewExpression', callee: { type: 'MemberExpression', computed: false, object: { type: 'Identifier', name: 'foo', range: [4, 7], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 7 } } }, property: { type: 'Identifier', name: 'bar', range: [8, 11], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 11 } } }, range: [4, 11], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 11 } } }, 'arguments': [], range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, '( new foo).bar()': { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'MemberExpression', computed: false, object: { type: 'NewExpression', callee: { type: 'Identifier', name: 'foo', range: [6, 9], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 9 } } }, 'arguments': [], range: [2, 9], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 9 } } }, property: { type: 'Identifier', name: 'bar', range: [11, 14], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, 'arguments': [], range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, 'foo(bar, baz)': { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'foo', range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, 'arguments': [{ type: 'Identifier', name: 'bar', range: [4, 7], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 7 } } }, { type: 'Identifier', name: 'baz', range: [9, 12], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 12 } } }], range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, '( foo )()': { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'foo', range: [5, 8], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 8 } } }, 'arguments': [], range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, 'universe.milkyway': { type: 'ExpressionStatement', expression: { type: 'MemberExpression', computed: false, object: { type: 'Identifier', name: 'universe', range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, property: { type: 'Identifier', name: 'milkyway', range: [9, 17], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 17 } } }, range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } } }, range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } } }, 'universe.milkyway.solarsystem': { type: 'ExpressionStatement', expression: { type: 'MemberExpression', computed: false, object: { type: 'MemberExpression', computed: false, object: { type: 'Identifier', name: 'universe', range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, property: { type: 'Identifier', name: 'milkyway', range: [9, 17], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 17 } } }, range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } } }, property: { type: 'Identifier', name: 'solarsystem', range: [18, 29], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 29 } } }, range: [0, 29], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 29 } } }, range: [0, 29], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 29 } } }, 'universe.milkyway.solarsystem.Earth': { type: 'ExpressionStatement', expression: { type: 'MemberExpression', computed: false, object: { type: 'MemberExpression', computed: false, object: { type: 'MemberExpression', computed: false, object: { type: 'Identifier', name: 'universe', range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, property: { type: 'Identifier', name: 'milkyway', range: [9, 17], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 17 } } }, range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } } }, property: { type: 'Identifier', name: 'solarsystem', range: [18, 29], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 29 } } }, range: [0, 29], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 29 } } }, property: { type: 'Identifier', name: 'Earth', range: [30, 35], loc: { start: { line: 1, column: 30 }, end: { line: 1, column: 35 } } }, range: [0, 35], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 35 } } }, range: [0, 35], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 35 } } }, 'universe[galaxyName, otherUselessName]': { type: 'ExpressionStatement', expression: { type: 'MemberExpression', computed: true, object: { type: 'Identifier', name: 'universe', range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, property: { type: 'SequenceExpression', expressions: [{ type: 'Identifier', name: 'galaxyName', range: [9, 19], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 19 } } }, { type: 'Identifier', name: 'otherUselessName', range: [21, 37], loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 37 } } }], range: [9, 37], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 37 } } }, range: [0, 38], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 38 } } }, range: [0, 38], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 38 } } }, 'universe[galaxyName]': { type: 'ExpressionStatement', expression: { type: 'MemberExpression', computed: true, object: { type: 'Identifier', name: 'universe', range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, property: { type: 'Identifier', name: 'galaxyName', range: [9, 19], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 19 } } }, range: [0, 20], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 20 } } }, range: [0, 20], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 20 } } }, 'universe[42].galaxies': { type: 'ExpressionStatement', expression: { type: 'MemberExpression', computed: false, object: { type: 'MemberExpression', computed: true, object: { type: 'Identifier', name: 'universe', range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, property: { type: 'Literal', value: 42, raw: '42', range: [9, 11], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 11 } } }, range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, property: { type: 'Identifier', name: 'galaxies', range: [13, 21], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 21 } } }, range: [0, 21], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 21 } } }, range: [0, 21], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 21 } } }, 'universe(42).galaxies': { type: 'ExpressionStatement', expression: { type: 'MemberExpression', computed: false, object: { type: 'CallExpression', callee: { type: 'Identifier', name: 'universe', range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, 'arguments': [{ type: 'Literal', value: 42, raw: '42', range: [9, 11], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 11 } } }], range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, property: { type: 'Identifier', name: 'galaxies', range: [13, 21], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 21 } } }, range: [0, 21], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 21 } } }, range: [0, 21], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 21 } } }, 'universe(42).galaxies(14, 3, 77).milkyway': { type: 'ExpressionStatement', expression: { type: 'MemberExpression', computed: false, object: { type: 'CallExpression', callee: { type: 'MemberExpression', computed: false, object: { type: 'CallExpression', callee: { type: 'Identifier', name: 'universe', range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, 'arguments': [{ type: 'Literal', value: 42, raw: '42', range: [9, 11], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 11 } } }], range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, property: { type: 'Identifier', name: 'galaxies', range: [13, 21], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 21 } } }, range: [0, 21], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 21 } } }, 'arguments': [{ type: 'Literal', value: 14, raw: '14', range: [22, 24], loc: { start: { line: 1, column: 22 }, end: { line: 1, column: 24 } } }, { type: 'Literal', value: 3, raw: '3', range: [26, 27], loc: { start: { line: 1, column: 26 }, end: { line: 1, column: 27 } } }, { type: 'Literal', value: 77, raw: '77', range: [29, 31], loc: { start: { line: 1, column: 29 }, end: { line: 1, column: 31 } } }], range: [0, 32], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 32 } } }, property: { type: 'Identifier', name: 'milkyway', range: [33, 41], loc: { start: { line: 1, column: 33 }, end: { line: 1, column: 41 } } }, range: [0, 41], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 41 } } }, range: [0, 41], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 41 } } }, 'earth.asia.Indonesia.prepareForElection(2014)': { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'MemberExpression', computed: false, object: { type: 'MemberExpression', computed: false, object: { type: 'MemberExpression', computed: false, object: { type: 'Identifier', name: 'earth', range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, property: { type: 'Identifier', name: 'asia', range: [6, 10], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 10 } } }, range: [0, 10], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 10 } } }, property: { type: 'Identifier', name: 'Indonesia', range: [11, 20], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 20 } } }, range: [0, 20], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 20 } } }, property: { type: 'Identifier', name: 'prepareForElection', range: [21, 39], loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 39 } } }, range: [0, 39], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 39 } } }, 'arguments': [{ type: 'Literal', value: 2014, raw: '2014', range: [40, 44], loc: { start: { line: 1, column: 40 }, end: { line: 1, column: 44 } } }], range: [0, 45], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 45 } } }, range: [0, 45], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 45 } } }, 'universe.if': { type: 'ExpressionStatement', expression: { type: 'MemberExpression', computed: false, object: { type: 'Identifier', name: 'universe', range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, property: { type: 'Identifier', name: 'if', range: [9, 11], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, 'universe.true': { type: 'ExpressionStatement', expression: { type: 'MemberExpression', computed: false, object: { type: 'Identifier', name: 'universe', range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, property: { type: 'Identifier', name: 'true', range: [9, 13], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 13 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, 'universe.false': { type: 'ExpressionStatement', expression: { type: 'MemberExpression', computed: false, object: { type: 'Identifier', name: 'universe', range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, property: { type: 'Identifier', name: 'false', range: [9, 14], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, 'universe.null': { type: 'ExpressionStatement', expression: { type: 'MemberExpression', computed: false, object: { type: 'Identifier', name: 'universe', range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, property: { type: 'Identifier', name: 'null', range: [9, 13], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 13 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } } }, 'Postfix Expressions': { 'x++': { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '++', argument: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, prefix: false, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, 'x--': { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '--', argument: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, prefix: false, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, 'eval++': { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '++', argument: { type: 'Identifier', name: 'eval', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, prefix: false, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, 'eval--': { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '--', argument: { type: 'Identifier', name: 'eval', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, prefix: false, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, 'arguments++': { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '++', argument: { type: 'Identifier', name: 'arguments', range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, prefix: false, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, 'arguments--': { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '--', argument: { type: 'Identifier', name: 'arguments', range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, prefix: false, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } } }, 'Unary Operators': { '++x': { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '++', argument: { type: 'Identifier', name: 'x', range: [2, 3], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 3 } } }, prefix: true, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, '--x': { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '--', argument: { type: 'Identifier', name: 'x', range: [2, 3], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 3 } } }, prefix: true, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, '++eval': { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '++', argument: { type: 'Identifier', name: 'eval', range: [2, 6], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 6 } } }, prefix: true, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, '--eval': { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '--', argument: { type: 'Identifier', name: 'eval', range: [2, 6], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 6 } } }, prefix: true, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, '++arguments': { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '++', argument: { type: 'Identifier', name: 'arguments', range: [2, 11], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 11 } } }, prefix: true, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, '--arguments': { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '--', argument: { type: 'Identifier', name: 'arguments', range: [2, 11], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 11 } } }, prefix: true, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, '+x': { type: 'ExpressionStatement', expression: { type: 'UnaryExpression', operator: '+', argument: { type: 'Identifier', name: 'x', range: [1, 2], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 2 } } }, prefix: true, range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, '-x': { type: 'ExpressionStatement', expression: { type: 'UnaryExpression', operator: '-', argument: { type: 'Identifier', name: 'x', range: [1, 2], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 2 } } }, prefix: true, range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, '~x': { type: 'ExpressionStatement', expression: { type: 'UnaryExpression', operator: '~', argument: { type: 'Identifier', name: 'x', range: [1, 2], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 2 } } }, prefix: true, range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, '!x': { type: 'ExpressionStatement', expression: { type: 'UnaryExpression', operator: '!', argument: { type: 'Identifier', name: 'x', range: [1, 2], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 2 } } }, prefix: true, range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } }, 'void x': { type: 'ExpressionStatement', expression: { type: 'UnaryExpression', operator: 'void', argument: { type: 'Identifier', name: 'x', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, prefix: true, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, 'delete x': { type: 'ExpressionStatement', expression: { type: 'UnaryExpression', operator: 'delete', argument: { type: 'Identifier', name: 'x', range: [7, 8], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 8 } } }, prefix: true, range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, 'typeof x': { type: 'ExpressionStatement', expression: { type: 'UnaryExpression', operator: 'typeof', argument: { type: 'Identifier', name: 'x', range: [7, 8], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 8 } } }, prefix: true, range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } } }, 'Multiplicative Operators': { 'x * y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '*', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, 'x / y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '/', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, 'x % y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '%', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } } }, 'Additive Operators': { 'x + y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '+', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, 'x - y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '-', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } } }, 'Bitwise Shift Operator': { 'x << y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '<<', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, 'x >> y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '>>', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, 'x >>> y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '>>>', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } } }, 'Relational Operators': { 'x < y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '<', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, 'x > y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '>', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, 'x <= y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '<=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, 'x >= y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '>=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, 'x in y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: 'in', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, 'x instanceof y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: 'instanceof', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [13, 14], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, 'x < y < z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '<', left: { type: 'BinaryExpression', operator: '<', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } } }, 'Equality Operators': { 'x == y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '==', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, 'x != y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '!=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, 'x === y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '===', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, 'x !== y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '!==', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } } }, 'Binary Bitwise Operators': { 'x & y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '&', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, 'x ^ y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '^', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, 'x | y': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '|', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } } }, 'Binary Expressions': { 'x + y + z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '+', left: { type: 'BinaryExpression', operator: '+', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x - y + z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '+', left: { type: 'BinaryExpression', operator: '-', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x + y - z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '-', left: { type: 'BinaryExpression', operator: '+', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x - y - z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '-', left: { type: 'BinaryExpression', operator: '-', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x + y * z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '+', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'BinaryExpression', operator: '*', left: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [4, 9], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x + y / z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '+', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'BinaryExpression', operator: '/', left: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [4, 9], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x - y % z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '-', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'BinaryExpression', operator: '%', left: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [4, 9], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x * y * z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '*', left: { type: 'BinaryExpression', operator: '*', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x * y / z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '/', left: { type: 'BinaryExpression', operator: '*', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x * y % z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '%', left: { type: 'BinaryExpression', operator: '*', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x % y * z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '*', left: { type: 'BinaryExpression', operator: '%', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x << y << z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '<<', left: { type: 'BinaryExpression', operator: '<<', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, right: { type: 'Identifier', name: 'z', range: [10, 11], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, 'x | y | z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '|', left: { type: 'BinaryExpression', operator: '|', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x & y & z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '&', left: { type: 'BinaryExpression', operator: '&', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x ^ y ^ z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '^', left: { type: 'BinaryExpression', operator: '^', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x & y | z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '|', left: { type: 'BinaryExpression', operator: '&', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x | y ^ z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '|', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'BinaryExpression', operator: '^', left: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [4, 9], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x | y & z': { type: 'ExpressionStatement', expression: { type: 'BinaryExpression', operator: '|', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'BinaryExpression', operator: '&', left: { type: 'Identifier', name: 'y', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'z', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [4, 9], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } } }, 'Binary Logical Operators': { 'x || y': { type: 'ExpressionStatement', expression: { type: 'LogicalExpression', operator: '||', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, 'x && y': { type: 'ExpressionStatement', expression: { type: 'LogicalExpression', operator: '&&', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, 'x || y || z': { type: 'ExpressionStatement', expression: { type: 'LogicalExpression', operator: '||', left: { type: 'LogicalExpression', operator: '||', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, right: { type: 'Identifier', name: 'z', range: [10, 11], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, 'x && y && z': { type: 'ExpressionStatement', expression: { type: 'LogicalExpression', operator: '&&', left: { type: 'LogicalExpression', operator: '&&', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, right: { type: 'Identifier', name: 'z', range: [10, 11], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, 'x || y && z': { type: 'ExpressionStatement', expression: { type: 'LogicalExpression', operator: '||', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'LogicalExpression', operator: '&&', left: { type: 'Identifier', name: 'y', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, right: { type: 'Identifier', name: 'z', range: [10, 11], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 11 } } }, range: [5, 11], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, 'x || y ^ z': { type: 'ExpressionStatement', expression: { type: 'LogicalExpression', operator: '||', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'BinaryExpression', operator: '^', left: { type: 'Identifier', name: 'y', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, right: { type: 'Identifier', name: 'z', range: [9, 10], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 10 } } }, range: [5, 10], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 10 } } }, range: [0, 10], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 10 } } }, range: [0, 10], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 10 } } } }, 'Conditional Operator': { 'y ? 1 : 2': { type: 'ExpressionStatement', expression: { type: 'ConditionalExpression', test: { type: 'Identifier', name: 'y', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, consequent: { type: 'Literal', value: 1, raw: '1', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, alternate: { type: 'Literal', value: 2, raw: '2', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x && y ? 1 : 2': { type: 'ExpressionStatement', expression: { type: 'ConditionalExpression', test: { type: 'LogicalExpression', operator: '&&', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Identifier', name: 'y', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, consequent: { type: 'Literal', value: 1, raw: '1', range: [9, 10], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 10 } } }, alternate: { type: 'Literal', value: 2, raw: '2', range: [13, 14], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } } }, 'Assignment Operators': { 'x = 42': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [4, 6], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, 'eval = 42': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'eval', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [7, 9], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'arguments = 42': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'arguments', range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [12, 14], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, 'x *= 42': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '*=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [5, 7], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, 'x /= 42': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '/=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [5, 7], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, 'x %= 42': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '%=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [5, 7], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, 'x += 42': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '+=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [5, 7], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, 'x -= 42': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '-=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [5, 7], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, 'x <<= 42': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '<<=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [6, 8], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 8 } } }, range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, 'x >>= 42': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '>>=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [6, 8], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 8 } } }, range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, 'x >>>= 42': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '>>>=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [7, 9], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'x &= 42': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '&=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [5, 7], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, 'x ^= 42': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '^=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [5, 7], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, 'x |= 42': { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '|=', left: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [5, 7], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } } }, 'Block': { '{ foo }': { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'foo', range: [2, 5], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 5 } } }, range: [2, 6], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 6 } } }], range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, '{ doThis(); doThat(); }': { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'doThis', range: [2, 8], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 8 } } }, 'arguments': [], range: [2, 10], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 10 } } }, range: [2, 11], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 11 } } }, { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'doThat', range: [12, 18], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 18 } } }, 'arguments': [], range: [12, 20], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 20 } } }, range: [12, 21], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 21 } } }], range: [0, 23], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 23 } } }, '{}': { type: 'BlockStatement', body: [], range: [0, 2], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 2 } } } }, 'Variable Statement': { 'var x': { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, init: null, range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }], kind: 'var', range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, 'var x, y;': { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, init: null, range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, { type: 'VariableDeclarator', id: { type: 'Identifier', name: 'y', range: [7, 8], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 8 } } }, init: null, range: [7, 8], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 8 } } }], kind: 'var', range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'var x = 42': { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, init: { type: 'Literal', value: 42, raw: '42', range: [8, 10], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 10 } } }, range: [4, 10], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 10 } } }], kind: 'var', range: [0, 10], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 10 } } }, 'var eval = 42, arguments = 42': { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'eval', range: [4, 8], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 8 } } }, init: { type: 'Literal', value: 42, raw: '42', range: [11, 13], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 13 } } }, range: [4, 13], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 13 } } }, { type: 'VariableDeclarator', id: { type: 'Identifier', name: 'arguments', range: [15, 24], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 24 } } }, init: { type: 'Literal', value: 42, raw: '42', range: [27, 29], loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 29 } } }, range: [15, 29], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 29 } } }], kind: 'var', range: [0, 29], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 29 } } }, 'var x = 14, y = 3, z = 1977': { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, init: { type: 'Literal', value: 14, raw: '14', range: [8, 10], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 10 } } }, range: [4, 10], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 10 } } }, { type: 'VariableDeclarator', id: { type: 'Identifier', name: 'y', range: [12, 13], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 13 } } }, init: { type: 'Literal', value: 3, raw: '3', range: [16, 17], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 17 } } }, range: [12, 17], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 17 } } }, { type: 'VariableDeclarator', id: { type: 'Identifier', name: 'z', range: [19, 20], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 20 } } }, init: { type: 'Literal', value: 1977, raw: '1977', range: [23, 27], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 27 } } }, range: [19, 27], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 27 } } }], kind: 'var', range: [0, 27], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 27 } } }, 'var implements, interface, package': { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'implements', range: [4, 14], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 14 } } }, init: null, range: [4, 14], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 14 } } }, { type: 'VariableDeclarator', id: { type: 'Identifier', name: 'interface', range: [16, 25], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 25 } } }, init: null, range: [16, 25], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 25 } } }, { type: 'VariableDeclarator', id: { type: 'Identifier', name: 'package', range: [27, 34], loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 34 } } }, init: null, range: [27, 34], loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 34 } } }], kind: 'var', range: [0, 34], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 34 } } }, 'var private, protected, public, static': { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'private', range: [4, 11], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 11 } } }, init: null, range: [4, 11], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 11 } } }, { type: 'VariableDeclarator', id: { type: 'Identifier', name: 'protected', range: [13, 22], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 22 } } }, init: null, range: [13, 22], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 22 } } }, { type: 'VariableDeclarator', id: { type: 'Identifier', name: 'public', range: [24, 30], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 30 } } }, init: null, range: [24, 30], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 30 } } }, { type: 'VariableDeclarator', id: { type: 'Identifier', name: 'static', range: [32, 38], loc: { start: { line: 1, column: 32 }, end: { line: 1, column: 38 } } }, init: null, range: [32, 38], loc: { start: { line: 1, column: 32 }, end: { line: 1, column: 38 } } }], kind: 'var', range: [0, 38], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 38 } } } }, 'Let Statement': { 'let x': { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, init: null, range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }], kind: 'let', range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, '{ let x }': { type: 'BlockStatement', body: [{ type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, init: null, range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }], kind: 'let', range: [2, 8], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 8 } } }], range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, '{ let x = 42 }': { type: 'BlockStatement', body: [{ type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, init: { type: 'Literal', value: 42, raw: '42', range: [10, 12], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 12 } } }, range: [6, 12], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 12 } } }], kind: 'let', range: [2, 13], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 13 } } }], range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } }, '{ let x = 14, y = 3, z = 1977 }': { type: 'BlockStatement', body: [{ type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, init: { type: 'Literal', value: 14, raw: '14', range: [10, 12], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 12 } } }, range: [6, 12], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 12 } } }, { type: 'VariableDeclarator', id: { type: 'Identifier', name: 'y', range: [14, 15], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 15 } } }, init: { type: 'Literal', value: 3, raw: '3', range: [18, 19], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 19 } } }, range: [14, 19], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 19 } } }, { type: 'VariableDeclarator', id: { type: 'Identifier', name: 'z', range: [21, 22], loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 22 } } }, init: { type: 'Literal', value: 1977, raw: '1977', range: [25, 29], loc: { start: { line: 1, column: 25 }, end: { line: 1, column: 29 } } }, range: [21, 29], loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 29 } } }], kind: 'let', range: [2, 30], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 30 } } }], range: [0, 31], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 31 } } } }, 'Const Statement': { 'const x = 42': { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, init: { type: 'Literal', value: 42, raw: '42', range: [10, 12], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 12 } } }, range: [6, 12], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 12 } } }], kind: 'const', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, '{ const x = 42 }': { type: 'BlockStatement', body: [{ type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, init: { type: 'Literal', value: 42, raw: '42', range: [12, 14], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 14 } } }, range: [8, 14], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 14 } } }], kind: 'const', range: [2, 15], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 15 } } }], range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, '{ const x = 14, y = 3, z = 1977 }': { type: 'BlockStatement', body: [{ type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, init: { type: 'Literal', value: 14, raw: '14', range: [12, 14], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 14 } } }, range: [8, 14], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 14 } } }, { type: 'VariableDeclarator', id: { type: 'Identifier', name: 'y', range: [16, 17], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 17 } } }, init: { type: 'Literal', value: 3, raw: '3', range: [20, 21], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 21 } } }, range: [16, 21], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 21 } } }, { type: 'VariableDeclarator', id: { type: 'Identifier', name: 'z', range: [23, 24], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 24 } } }, init: { type: 'Literal', value: 1977, raw: '1977', range: [27, 31], loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 31 } } }, range: [23, 31], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 31 } } }], kind: 'const', range: [2, 32], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 32 } } }], range: [0, 33], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 33 } } } }, 'Empty Statement': { ';': { type: 'EmptyStatement', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } } }, 'Expression Statement': { 'x': { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, 'x, y': { type: 'ExpressionStatement', expression: { type: 'SequenceExpression', expressions: [{ type: 'Identifier', name: 'x', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, { type: 'Identifier', name: 'y', range: [3, 4], loc: { start: { line: 1, column: 3 }, end: { line: 1, column: 4 } } }], range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, '\\u0061': { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'a', range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }, 'a\\u0061': { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'aa', range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, range: [0, 7], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 7 } } }, '\\ua': { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'ua', range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, 'a\\u': { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'au', range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } } }, 'If Statement': { 'if (morning) goodMorning()': { type: 'IfStatement', test: { type: 'Identifier', name: 'morning', range: [4, 11], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 11 } } }, consequent: { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'goodMorning', range: [13, 24], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 24 } } }, 'arguments': [], range: [13, 26], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 26 } } }, range: [13, 26], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 26 } } }, alternate: null, range: [0, 26], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 26 } } }, 'if (morning) (function(){})': { type: 'IfStatement', test: { type: 'Identifier', name: 'morning', range: [4, 11], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 11 } } }, consequent: { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [], range: [24, 26], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 26 } } }, rest: null, generator: false, expression: false, range: [14, 26], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 26 } } }, range: [13, 27], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 27 } } }, alternate: null, range: [0, 27], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 27 } } }, 'if (morning) var x = 0;': { type: 'IfStatement', test: { type: 'Identifier', name: 'morning', range: [4, 11], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 11 } } }, consequent: { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [17, 18], loc: { start: { line: 1, column: 17 }, end: { line: 1, column: 18 } } }, init: { type: 'Literal', value: 0, raw: '0', range: [21, 22], loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 22 } } }, range: [17, 22], loc: { start: { line: 1, column: 17 }, end: { line: 1, column: 22 } } }], kind: 'var', range: [13, 23], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 23 } } }, alternate: null, range: [0, 23], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 23 } } }, 'if (morning) function a(){}': { type: 'IfStatement', test: { type: 'Identifier', name: 'morning', range: [4, 11], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 11 } } }, consequent: { type: 'FunctionDeclaration', id: { type: 'Identifier', name: 'a', range: [22, 23], loc: { start: { line: 1, column: 22 }, end: { line: 1, column: 23 } } }, params: [], defaults: [], body: { type: 'BlockStatement', body: [], range: [25, 27], loc: { start: { line: 1, column: 25 }, end: { line: 1, column: 27 } } }, rest: null, generator: false, expression: false, range: [13, 27], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 27 } } }, alternate: null, range: [0, 27], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 27 } } }, 'if (morning) goodMorning(); else goodDay()': { type: 'IfStatement', test: { type: 'Identifier', name: 'morning', range: [4, 11], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 11 } } }, consequent: { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'goodMorning', range: [13, 24], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 24 } } }, 'arguments': [], range: [13, 26], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 26 } } }, range: [13, 27], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 27 } } }, alternate: { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'goodDay', range: [33, 40], loc: { start: { line: 1, column: 33 }, end: { line: 1, column: 40 } } }, 'arguments': [], range: [33, 42], loc: { start: { line: 1, column: 33 }, end: { line: 1, column: 42 } } }, range: [33, 42], loc: { start: { line: 1, column: 33 }, end: { line: 1, column: 42 } } }, range: [0, 42], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 42 } } } }, 'Iteration Statements': { 'do keep(); while (true)': { type: 'DoWhileStatement', body: { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'keep', range: [3, 7], loc: { start: { line: 1, column: 3 }, end: { line: 1, column: 7 } } }, 'arguments': [], range: [3, 9], loc: { start: { line: 1, column: 3 }, end: { line: 1, column: 9 } } }, range: [3, 10], loc: { start: { line: 1, column: 3 }, end: { line: 1, column: 10 } } }, test: { type: 'Literal', value: true, raw: 'true', range: [18, 22], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 22 } } }, range: [0, 23], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 23 } } }, 'do keep(); while (true);': { type: 'DoWhileStatement', body: { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'keep', range: [3, 7], loc: { start: { line: 1, column: 3 }, end: { line: 1, column: 7 } } }, 'arguments': [], range: [3, 9], loc: { start: { line: 1, column: 3 }, end: { line: 1, column: 9 } } }, range: [3, 10], loc: { start: { line: 1, column: 3 }, end: { line: 1, column: 10 } } }, test: { type: 'Literal', value: true, raw: 'true', range: [18, 22], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 22 } } }, range: [0, 24], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 24 } } }, 'do { x++; y--; } while (x < 10)': { type: 'DoWhileStatement', body: { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '++', argument: { type: 'Identifier', name: 'x', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, prefix: false, range: [5, 8], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 8 } } }, range: [5, 9], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 9 } } }, { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '--', argument: { type: 'Identifier', name: 'y', range: [10, 11], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 11 } } }, prefix: false, range: [10, 13], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 13 } } }, range: [10, 14], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 14 } } }], range: [3, 16], loc: { start: { line: 1, column: 3 }, end: { line: 1, column: 16 } } }, test: { type: 'BinaryExpression', operator: '<', left: { type: 'Identifier', name: 'x', range: [24, 25], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 25 } } }, right: { type: 'Literal', value: 10, raw: '10', range: [28, 30], loc: { start: { line: 1, column: 28 }, end: { line: 1, column: 30 } } }, range: [24, 30], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 30 } } }, range: [0, 31], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 31 } } }, '{ do { } while (false) false }': { type: 'BlockStatement', body: [{ type: 'DoWhileStatement', body: { type: 'BlockStatement', body: [], range: [5, 8], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 8 } } }, test: { type: 'Literal', value: false, raw: 'false', range: [16, 21], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 21 } } }, range: [2, 22], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 22 } } }, { type: 'ExpressionStatement', expression: { type: 'Literal', value: false, raw: 'false', range: [23, 28], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 28 } } }, range: [23, 29], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 29 } } }], range: [0, 30], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 30 } } }, 'while (true) doSomething()': { type: 'WhileStatement', test: { type: 'Literal', value: true, raw: 'true', range: [7, 11], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 11 } } }, body: { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'doSomething', range: [13, 24], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 24 } } }, 'arguments': [], range: [13, 26], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 26 } } }, range: [13, 26], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 26 } } }, range: [0, 26], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 26 } } }, 'while (x < 10) { x++; y--; }': { type: 'WhileStatement', test: { type: 'BinaryExpression', operator: '<', left: { type: 'Identifier', name: 'x', range: [7, 8], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 8 } } }, right: { type: 'Literal', value: 10, raw: '10', range: [11, 13], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 13 } } }, range: [7, 13], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 13 } } }, body: { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '++', argument: { type: 'Identifier', name: 'x', range: [17, 18], loc: { start: { line: 1, column: 17 }, end: { line: 1, column: 18 } } }, prefix: false, range: [17, 20], loc: { start: { line: 1, column: 17 }, end: { line: 1, column: 20 } } }, range: [17, 21], loc: { start: { line: 1, column: 17 }, end: { line: 1, column: 21 } } }, { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '--', argument: { type: 'Identifier', name: 'y', range: [22, 23], loc: { start: { line: 1, column: 22 }, end: { line: 1, column: 23 } } }, prefix: false, range: [22, 25], loc: { start: { line: 1, column: 22 }, end: { line: 1, column: 25 } } }, range: [22, 26], loc: { start: { line: 1, column: 22 }, end: { line: 1, column: 26 } } }], range: [15, 28], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 28 } } }, range: [0, 28], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 28 } } }, 'for(;;);': { type: 'ForStatement', init: null, test: null, update: null, body: { type: 'EmptyStatement', range: [7, 8], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 8 } } }, range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, 'for(;;){}': { type: 'ForStatement', init: null, test: null, update: null, body: { type: 'BlockStatement', body: [], range: [7, 9], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 9 } } }, range: [0, 9], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } }, 'for(x = 0;;);': { type: 'ForStatement', init: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, right: { type: 'Literal', value: 0, raw: '0', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [4, 9], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 9 } } }, test: null, update: null, body: { type: 'EmptyStatement', range: [12, 13], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 13 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, 'for(var x = 0;;);': { type: 'ForStatement', init: { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, init: { type: 'Literal', value: 0, raw: '0', range: [12, 13], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 13 } } }, range: [8, 13], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 13 } } }], kind: 'var', range: [4, 13], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 13 } } }, test: null, update: null, body: { type: 'EmptyStatement', range: [16, 17], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 17 } } }, range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } } }, 'for(let x = 0;;);': { type: 'ForStatement', init: { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, init: { type: 'Literal', value: 0, raw: '0', range: [12, 13], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 13 } } }, range: [8, 13], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 13 } } }], kind: 'let', range: [4, 13], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 13 } } }, test: null, update: null, body: { type: 'EmptyStatement', range: [16, 17], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 17 } } }, range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } } }, 'for(var x = 0, y = 1;;);': { type: 'ForStatement', init: { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, init: { type: 'Literal', value: 0, raw: '0', range: [12, 13], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 13 } } }, range: [8, 13], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 13 } } }, { type: 'VariableDeclarator', id: { type: 'Identifier', name: 'y', range: [15, 16], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 16 } } }, init: { type: 'Literal', value: 1, raw: '1', range: [19, 20], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 20 } } }, range: [15, 20], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 20 } } }], kind: 'var', range: [4, 20], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 20 } } }, test: null, update: null, body: { type: 'EmptyStatement', range: [23, 24], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 24 } } }, range: [0, 24], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 24 } } }, 'for(x = 0; x < 42;);': { type: 'ForStatement', init: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, right: { type: 'Literal', value: 0, raw: '0', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [4, 9], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 9 } } }, test: { type: 'BinaryExpression', operator: '<', left: { type: 'Identifier', name: 'x', range: [11, 12], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 12 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [15, 17], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 17 } } }, range: [11, 17], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 17 } } }, update: null, body: { type: 'EmptyStatement', range: [19, 20], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 20 } } }, range: [0, 20], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 20 } } }, 'for(x = 0; x < 42; x++);': { type: 'ForStatement', init: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, right: { type: 'Literal', value: 0, raw: '0', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [4, 9], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 9 } } }, test: { type: 'BinaryExpression', operator: '<', left: { type: 'Identifier', name: 'x', range: [11, 12], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 12 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [15, 17], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 17 } } }, range: [11, 17], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 17 } } }, update: { type: 'UpdateExpression', operator: '++', argument: { type: 'Identifier', name: 'x', range: [19, 20], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 20 } } }, prefix: false, range: [19, 22], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 22 } } }, body: { type: 'EmptyStatement', range: [23, 24], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 24 } } }, range: [0, 24], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 24 } } }, 'for(x = 0; x < 42; x++) process(x);': { type: 'ForStatement', init: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, right: { type: 'Literal', value: 0, raw: '0', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, range: [4, 9], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 9 } } }, test: { type: 'BinaryExpression', operator: '<', left: { type: 'Identifier', name: 'x', range: [11, 12], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 12 } } }, right: { type: 'Literal', value: 42, raw: '42', range: [15, 17], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 17 } } }, range: [11, 17], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 17 } } }, update: { type: 'UpdateExpression', operator: '++', argument: { type: 'Identifier', name: 'x', range: [19, 20], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 20 } } }, prefix: false, range: [19, 22], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 22 } } }, body: { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'process', range: [24, 31], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 31 } } }, 'arguments': [{ type: 'Identifier', name: 'x', range: [32, 33], loc: { start: { line: 1, column: 32 }, end: { line: 1, column: 33 } } }], range: [24, 34], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 34 } } }, range: [24, 35], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 35 } } }, range: [0, 35], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 35 } } }, 'for(x in list) process(x);': { type: 'ForInStatement', left: { type: 'Identifier', name: 'x', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, right: { type: 'Identifier', name: 'list', range: [9, 13], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 13 } } }, body: { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'process', range: [15, 22], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 22 } } }, 'arguments': [{ type: 'Identifier', name: 'x', range: [23, 24], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 24 } } }], range: [15, 25], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 25 } } }, range: [15, 26], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 26 } } }, each: false, range: [0, 26], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 26 } } }, 'for (var x in list) process(x);': { type: 'ForInStatement', left: { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [9, 10], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 10 } } }, init: null, range: [9, 10], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 10 } } }], kind: 'var', range: [5, 10], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 10 } } }, right: { type: 'Identifier', name: 'list', range: [14, 18], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 18 } } }, body: { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'process', range: [20, 27], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 27 } } }, 'arguments': [{ type: 'Identifier', name: 'x', range: [28, 29], loc: { start: { line: 1, column: 28 }, end: { line: 1, column: 29 } } }], range: [20, 30], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 30 } } }, range: [20, 31], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 31 } } }, each: false, range: [0, 31], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 31 } } }, 'for (var x = 42 in list) process(x);': { type: 'ForInStatement', left: { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [9, 10], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 10 } } }, init: { type: 'Literal', value: 42, raw: '42', range: [13, 15], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 15 } } }, range: [9, 15], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 15 } } }], kind: 'var', range: [5, 15], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 15 } } }, right: { type: 'Identifier', name: 'list', range: [19, 23], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 23 } } }, body: { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'process', range: [25, 32], loc: { start: { line: 1, column: 25 }, end: { line: 1, column: 32 } } }, 'arguments': [{ type: 'Identifier', name: 'x', range: [33, 34], loc: { start: { line: 1, column: 33 }, end: { line: 1, column: 34 } } }], range: [25, 35], loc: { start: { line: 1, column: 25 }, end: { line: 1, column: 35 } } }, range: [25, 36], loc: { start: { line: 1, column: 25 }, end: { line: 1, column: 36 } } }, each: false, range: [0, 36], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 36 } } }, 'for (let x in list) process(x);': { type: 'ForInStatement', left: { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [9, 10], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 10 } } }, init: null, range: [9, 10], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 10 } } }], kind: 'let', range: [5, 10], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 10 } } }, right: { type: 'Identifier', name: 'list', range: [14, 18], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 18 } } }, body: { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'process', range: [20, 27], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 27 } } }, 'arguments': [{ type: 'Identifier', name: 'x', range: [28, 29], loc: { start: { line: 1, column: 28 }, end: { line: 1, column: 29 } } }], range: [20, 30], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 30 } } }, range: [20, 31], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 31 } } }, each: false, range: [0, 31], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 31 } } }, 'for (let x = 42 in list) process(x);': { type: 'ForInStatement', left: { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [9, 10], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 10 } } }, init: { type: 'Literal', value: 42, raw: '42', range: [13, 15], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 15 } } }, range: [9, 15], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 15 } } }], kind: 'let', range: [5, 15], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 15 } } }, right: { type: 'Identifier', name: 'list', range: [19, 23], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 23 } } }, body: { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'process', range: [25, 32], loc: { start: { line: 1, column: 25 }, end: { line: 1, column: 32 } } }, 'arguments': [{ type: 'Identifier', name: 'x', range: [33, 34], loc: { start: { line: 1, column: 33 }, end: { line: 1, column: 34 } } }], range: [25, 35], loc: { start: { line: 1, column: 25 }, end: { line: 1, column: 35 } } }, range: [25, 36], loc: { start: { line: 1, column: 25 }, end: { line: 1, column: 36 } } }, each: false, range: [0, 36], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 36 } } }, 'for (var i = function() { return 10 in [] } in list) process(x);': { type: 'ForInStatement', left: { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'i', range: [9, 10], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 10 } } }, init: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [{ type: 'ReturnStatement', argument: { type: 'BinaryExpression', operator: 'in', left: { type: 'Literal', value: 10, raw: '10', range: [33, 35], loc: { start: { line: 1, column: 33 }, end: { line: 1, column: 35 } } }, right: { type: 'ArrayExpression', elements: [], range: [39, 41], loc: { start: { line: 1, column: 39 }, end: { line: 1, column: 41 } } }, range: [33, 41], loc: { start: { line: 1, column: 33 }, end: { line: 1, column: 41 } } }, range: [26, 42], loc: { start: { line: 1, column: 26 }, end: { line: 1, column: 42 } } }], range: [24, 43], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 43 } } }, rest: null, generator: false, expression: false, range: [13, 43], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 43 } } }, range: [9, 43], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 43 } } }], kind: 'var', range: [5, 43], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 43 } } }, right: { type: 'Identifier', name: 'list', range: [47, 51], loc: { start: { line: 1, column: 47 }, end: { line: 1, column: 51 } } }, body: { type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'process', range: [53, 60], loc: { start: { line: 1, column: 53 }, end: { line: 1, column: 60 } } }, 'arguments': [{ type: 'Identifier', name: 'x', range: [61, 62], loc: { start: { line: 1, column: 61 }, end: { line: 1, column: 62 } } }], range: [53, 63], loc: { start: { line: 1, column: 53 }, end: { line: 1, column: 63 } } }, range: [53, 64], loc: { start: { line: 1, column: 53 }, end: { line: 1, column: 64 } } }, each: false, range: [0, 64], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 64 } } } }, 'continue statement': { 'while (true) { continue; }': { type: 'WhileStatement', test: { type: 'Literal', value: true, raw: 'true', range: [7, 11], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 11 } } }, body: { type: 'BlockStatement', body: [ { type: 'ContinueStatement', label: null, range: [15, 24], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 24 } } } ], range: [13, 26], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 26 } } }, range: [0, 26], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 26 } } }, 'while (true) { continue }': { type: 'WhileStatement', test: { type: 'Literal', value: true, raw: 'true', range: [7, 11], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 11 } } }, body: { type: 'BlockStatement', body: [ { type: 'ContinueStatement', label: null, range: [15, 24], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 24 } } } ], range: [13, 25], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 25 } } }, range: [0, 25], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 25 } } }, 'done: while (true) { continue done }': { type: 'LabeledStatement', label: { type: 'Identifier', name: 'done', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, body: { type: 'WhileStatement', test: { type: 'Literal', value: true, raw: 'true', range: [13, 17], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 17 } } }, body: { type: 'BlockStatement', body: [ { type: 'ContinueStatement', label: { type: 'Identifier', name: 'done', range: [30, 34], loc: { start: { line: 1, column: 30 }, end: { line: 1, column: 34 } } }, range: [21, 35], loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 35 } } } ], range: [19, 36], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 36 } } }, range: [6, 36], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 36 } } }, range: [0, 36], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 36 } } }, 'done: while (true) { continue done; }': { type: 'LabeledStatement', label: { type: 'Identifier', name: 'done', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, body: { type: 'WhileStatement', test: { type: 'Literal', value: true, raw: 'true', range: [13, 17], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 17 } } }, body: { type: 'BlockStatement', body: [ { type: 'ContinueStatement', label: { type: 'Identifier', name: 'done', range: [30, 34], loc: { start: { line: 1, column: 30 }, end: { line: 1, column: 34 } } }, range: [21, 35], loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 35 } } } ], range: [19, 37], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 37 } } }, range: [6, 37], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 37 } } }, range: [0, 37], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 37 } } } }, 'break statement': { 'while (true) { break }': { type: 'WhileStatement', test: { type: 'Literal', value: true, raw: 'true', range: [7, 11], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 11 } } }, body: { type: 'BlockStatement', body: [ { type: 'BreakStatement', label: null, range: [15, 21], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 21 } } } ], range: [13, 22], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 22 } } }, range: [0, 22], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 22 } } }, 'done: while (true) { break done }': { type: 'LabeledStatement', label: { type: 'Identifier', name: 'done', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, body: { type: 'WhileStatement', test: { type: 'Literal', value: true, raw: 'true', range: [13, 17], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 17 } } }, body: { type: 'BlockStatement', body: [ { type: 'BreakStatement', label: { type: 'Identifier', name: 'done', range: [27, 31], loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 31 } } }, range: [21, 32], loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 32 } } } ], range: [19, 33], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 33 } } }, range: [6, 33], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 33 } } }, range: [0, 33], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 33 } } }, 'done: while (true) { break done; }': { type: 'LabeledStatement', label: { type: 'Identifier', name: 'done', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, body: { type: 'WhileStatement', test: { type: 'Literal', value: true, raw: 'true', range: [13, 17], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 17 } } }, body: { type: 'BlockStatement', body: [ { type: 'BreakStatement', label: { type: 'Identifier', name: 'done', range: [27, 31], loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 31 } } }, range: [21, 32], loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 32 } } } ], range: [19, 34], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 34 } } }, range: [6, 34], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 34 } } }, range: [0, 34], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 34 } } } }, 'return statement': { '(function(){ return })': { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [ { type: 'ReturnStatement', argument: null, range: [13, 20], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 20 } } } ], range: [11, 21], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 21 } } }, rest: null, generator: false, expression: false, range: [1, 21], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 21 } } }, range: [0, 22], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 22 } } }, '(function(){ return; })': { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [ { type: 'ReturnStatement', argument: null, range: [13, 20], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 20 } } } ], range: [11, 22], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 22 } } }, rest: null, generator: false, expression: false, range: [1, 22], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 22 } } }, range: [0, 23], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 23 } } }, '(function(){ return x; })': { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [ { type: 'ReturnStatement', argument: { type: 'Identifier', name: 'x', range: [20, 21], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 21 } } }, range: [13, 22], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 22 } } } ], range: [11, 24], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 24 } } }, rest: null, generator: false, expression: false, range: [1, 24], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 24 } } }, range: [0, 25], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 25 } } }, '(function(){ return x * y })': { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [ { type: 'ReturnStatement', argument: { type: 'BinaryExpression', operator: '*', left: { type: 'Identifier', name: 'x', range: [20, 21], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 21 } } }, right: { type: 'Identifier', name: 'y', range: [24, 25], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 25 } } }, range: [20, 25], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 25 } } }, range: [13, 26], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 26 } } } ], range: [11, 27], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 27 } } }, rest: null, generator: false, expression: false, range: [1, 27], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 27 } } }, range: [0, 28], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 28 } } } }, 'with statement': { 'with (x) foo = bar': { type: 'WithStatement', object: { type: 'Identifier', name: 'x', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, body: { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'foo', range: [9, 12], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 12 } } }, right: { type: 'Identifier', name: 'bar', range: [15, 18], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 18 } } }, range: [9, 18], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 18 } } }, range: [9, 18], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 18 } } }, range: [0, 18], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 18 } } }, 'with (x) foo = bar;': { type: 'WithStatement', object: { type: 'Identifier', name: 'x', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, body: { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'foo', range: [9, 12], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 12 } } }, right: { type: 'Identifier', name: 'bar', range: [15, 18], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 18 } } }, range: [9, 18], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 18 } } }, range: [9, 19], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 19 } } }, range: [0, 19], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 19 } } }, 'with (x) { foo = bar }': { type: 'WithStatement', object: { type: 'Identifier', name: 'x', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, body: { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'foo', range: [11, 14], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 14 } } }, right: { type: 'Identifier', name: 'bar', range: [17, 20], loc: { start: { line: 1, column: 17 }, end: { line: 1, column: 20 } } }, range: [11, 20], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 20 } } }, range: [11, 21], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 21 } } }], range: [9, 22], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 22 } } }, range: [0, 22], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 22 } } } }, 'switch statement': { 'switch (x) {}': { type: 'SwitchStatement', discriminant: { type: 'Identifier', name: 'x', range: [8, 9], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 9 } } }, cases:[], range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, 'switch (answer) { case 42: hi(); break; }': { type: 'SwitchStatement', discriminant: { type: 'Identifier', name: 'answer', range: [8, 14], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 14 } } }, cases: [{ type: 'SwitchCase', test: { type: 'Literal', value: 42, raw: '42', range: [23, 25], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 25 } } }, consequent: [{ type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'hi', range: [27, 29], loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 29 } } }, 'arguments': [], range: [27, 31], loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 31 } } }, range: [27, 32], loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 32 } } }, { type: 'BreakStatement', label: null, range: [33, 39], loc: { start: { line: 1, column: 33 }, end: { line: 1, column: 39 } } }], range: [18, 39], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 39 } } }], range: [0, 41], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 41 } } }, 'switch (answer) { case 42: hi(); break; default: break }': { type: 'SwitchStatement', discriminant: { type: 'Identifier', name: 'answer', range: [8, 14], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 14 } } }, cases: [{ type: 'SwitchCase', test: { type: 'Literal', value: 42, raw: '42', range: [23, 25], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 25 } } }, consequent: [{ type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'hi', range: [27, 29], loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 29 } } }, 'arguments': [], range: [27, 31], loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 31 } } }, range: [27, 32], loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 32 } } }, { type: 'BreakStatement', label: null, range: [33, 39], loc: { start: { line: 1, column: 33 }, end: { line: 1, column: 39 } } }], range: [18, 39], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 39 } } }, { type: 'SwitchCase', test: null, consequent: [{ type: 'BreakStatement', label: null, range: [49, 55], loc: { start: { line: 1, column: 49 }, end: { line: 1, column: 55 } } }], range: [40, 55], loc: { start: { line: 1, column: 40 }, end: { line: 1, column: 55 } } }], range: [0, 56], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 56 } } } }, 'Labelled Statements': { 'start: for (;;) break start': { type: 'LabeledStatement', label: { type: 'Identifier', name: 'start', range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, body: { type: 'ForStatement', init: null, test: null, update: null, body: { type: 'BreakStatement', label: { type: 'Identifier', name: 'start', range: [22, 27], loc: { start: { line: 1, column: 22 }, end: { line: 1, column: 27 } } }, range: [16, 27], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 27 } } }, range: [7, 27], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 27 } } }, range: [0, 27], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 27 } } }, 'start: while (true) break start': { type: 'LabeledStatement', label: { type: 'Identifier', name: 'start', range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, body: { type: 'WhileStatement', test: { type: 'Literal', value: true, raw: 'true', range: [14, 18], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 18 } } }, body: { type: 'BreakStatement', label: { type: 'Identifier', name: 'start', range: [26, 31], loc: { start: { line: 1, column: 26 }, end: { line: 1, column: 31 } } }, range: [20, 31], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 31 } } }, range: [7, 31], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 31 } } }, range: [0, 31], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 31 } } } }, 'throw statement': { 'throw x;': { type: 'ThrowStatement', argument: { type: 'Identifier', name: 'x', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, range: [0, 8], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 8 } } }, 'throw x * y': { type: 'ThrowStatement', argument: { type: 'BinaryExpression', operator: '*', left: { type: 'Identifier', name: 'x', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, right: { type: 'Identifier', name: 'y', range: [10, 11], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 11 } } }, range: [6, 11], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 11 } } }, range: [0, 11], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 11 } } }, 'throw { message: "Error" }': { type: 'ThrowStatement', argument: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Identifier', name: 'message', range: [8, 15], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 15 } } }, value: { type: 'Literal', value: 'Error', raw: '"Error"', range: [17, 24], loc: { start: { line: 1, column: 17 }, end: { line: 1, column: 24 } } }, kind: 'init', range: [8, 24], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 24 } } }], range: [6, 26], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 26 } } }, range: [0, 26], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 26 } } } }, 'try statement': { 'try { } catch (e) { }': { type: 'TryStatement', block: { type: 'BlockStatement', body: [], range: [4, 7], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 7 } } }, guardedHandlers: [], handlers: [{ type: 'CatchClause', param: { type: 'Identifier', name: 'e', range: [15, 16], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 16 } } }, body: { type: 'BlockStatement', body: [], range: [18, 21], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 21 } } }, range: [8, 21], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 21 } } }], finalizer: null, range: [0, 21], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 21 } } }, 'try { } catch (eval) { }': { type: 'TryStatement', block: { type: 'BlockStatement', body: [], range: [4, 7], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 7 } } }, guardedHandlers: [], handlers: [{ type: 'CatchClause', param: { type: 'Identifier', name: 'eval', range: [15, 19], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 19 } } }, body: { type: 'BlockStatement', body: [], range: [21, 24], loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 24 } } }, range: [8, 24], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 24 } } }], finalizer: null, range: [0, 24], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 24 } } }, 'try { } catch (arguments) { }': { type: 'TryStatement', block: { type: 'BlockStatement', body: [], range: [4, 7], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 7 } } }, guardedHandlers: [], handlers: [{ type: 'CatchClause', param: { type: 'Identifier', name: 'arguments', range: [15, 24], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 24 } } }, body: { type: 'BlockStatement', body: [], range: [26, 29], loc: { start: { line: 1, column: 26 }, end: { line: 1, column: 29 } } }, range: [8, 29], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 29 } } }], finalizer: null, range: [0, 29], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 29 } } }, 'try { } catch (e) { say(e) }': { type: 'TryStatement', block: { type: 'BlockStatement', body: [], range: [4, 7], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 7 } } }, guardedHandlers: [], handlers: [{ type: 'CatchClause', param: { type: 'Identifier', name: 'e', range: [15, 16], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 16 } } }, body: { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'say', range: [20, 23], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 23 } } }, 'arguments': [{ type: 'Identifier', name: 'e', range: [24, 25], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 25 } } }], range: [20, 26], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 26 } } }, range: [20, 27], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 27 } } }], range: [18, 28], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 28 } } }, range: [8, 28], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 28 } } }], finalizer: null, range: [0, 28], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 28 } } }, 'try { } finally { cleanup(stuff) }': { type: 'TryStatement', block: { type: 'BlockStatement', body: [], range: [4, 7], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 7 } } }, guardedHandlers: [], handlers: [], finalizer: { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'cleanup', range: [18, 25], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 25 } } }, 'arguments': [{ type: 'Identifier', name: 'stuff', range: [26, 31], loc: { start: { line: 1, column: 26 }, end: { line: 1, column: 31 } } }], range: [18, 32], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 32 } } }, range: [18, 33], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 33 } } }], range: [16, 34], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 34 } } }, range: [0, 34], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 34 } } }, 'try { doThat(); } catch (e) { say(e) }': { type: 'TryStatement', block: { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'doThat', range: [6, 12], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 12 } } }, 'arguments': [], range: [6, 14], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 14 } } }, range: [6, 15], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 15 } } }], range: [4, 17], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 17 } } }, guardedHandlers: [], handlers: [{ type: 'CatchClause', param: { type: 'Identifier', name: 'e', range: [25, 26], loc: { start: { line: 1, column: 25 }, end: { line: 1, column: 26 } } }, body: { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'Identifier', name: 'say', range: [30, 33], loc: { start: { line: 1, column: 30 }, end: { line: 1, column: 33 } } }, 'arguments': [{ type: 'Identifier', name: 'e', range: [34, 35], loc: { start: { line: 1, column: 34 }, end: { line: 1, column: 35 } } }], range: [30, 36], loc: { start: { line: 1, column: 30 }, end: { line: 1, column: 36 } } }, range: [30, 37], loc: { start: { line: 1, column: 30 }, end: { line: 1, column: 37 } } }], range: [28, 38], loc: { start: { line: 1, column: 28 }, end: { line: 1, column: 38 } } }, range: [18, 38], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 38 } } }], finalizer: null, range: [0, 38], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 38 } } }, 'try { doThat(); } catch (e) { say(e) } finally { cleanup(stuff) }': { type: 'TryStatement', block: { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 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column: 29 } } }, rest: null, generator: false, expression: false, range: [0, 29], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 29 } } }, 'function eval() { }': { type: 'FunctionDeclaration', id: { type: 'Identifier', name: 'eval', range: [9, 13], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 13 } } }, params: [], defaults: [], body: { type: 'BlockStatement', body: [], range: [16, 19], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 19 } } }, rest: null, generator: false, expression: false, range: [0, 19], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 19 } } }, 'function arguments() { }': { type: 'FunctionDeclaration', id: { type: 'Identifier', name: 'arguments', range: [9, 18], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 18 } } }, params: [], defaults: [], body: { type: 'BlockStatement', body: [], range: [21, 24], loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 24 } } }, rest: null, generator: false, expression: false, range: [0, 24], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 24 } } }, 'function test(t, t) { }': { type: 'FunctionDeclaration', id: { type: 'Identifier', name: 'test', range: [9, 13], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 13 } } }, params: [{ type: 'Identifier', name: 't', range: [14, 15], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 15 } } }, { type: 'Identifier', name: 't', range: [17, 18], loc: { start: { line: 1, column: 17 }, end: { line: 1, column: 18 } } }], defaults: [], body: { type: 'BlockStatement', body: [], range: [20, 23], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 23 } } }, rest: null, generator: false, expression: false, range: [0, 23], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 23 } } }, '(function test(t, t) { })': { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: { type: 'Identifier', name: 'test', range: 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end: { line: 1, column: 37 } } }, rest: null, generator: false, expression: false, range: [12, 37], loc: { start: { line: 1, column: 12 }, end: { line: 1, column: 37 } } }, range: [4, 37], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 37 } } }], kind: 'var', range: [0, 38], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 38 } } }, '(function(){})': { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [], range: [11, 13], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 13 } } }, rest: null, generator: false, expression: false, range: [1, 13], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 13 } } }, range: [0, 14], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 14 } } } }, 'Automatic semicolon insertion': { '{ x\n++y }': { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'Identifier', 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'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [6, 7], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 7 } } }, init: { type: 'Literal', value: 14, raw: '14', range: [10, 12], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 12 } } }, range: [6, 12], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 12 } } }, { type: 'VariableDeclarator', id: { type: 'Identifier', name: 'y', range: [14, 15], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 15 } } }, init: { type: 'Literal', value: 3, raw: '3', range: [18, 19], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 19 } } }, range: [14, 19], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 19 } } }], kind: 'var', range: [2, 20], loc: { start: { line: 1, column: 2 }, end: { line: 2, column: 0 } } }, { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'z', range: [20, 21], loc: { start: { line: 2, column: 0 }, end: { line: 2, 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'while (true) { continue // Comment\nthere; }': { type: 'WhileStatement', test: { type: 'Literal', value: true, raw: 'true', range: [7, 11], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 11 } } }, body: { type: 'BlockStatement', body: [{ type: 'ContinueStatement', label: null, range: [15, 23], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 23 } } }, { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'there', range: [35, 40], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 5 } } }, range: [35, 41], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 6 } } }], range: [13, 43], loc: { start: { line: 1, column: 13 }, end: { line: 2, column: 8 } } }, range: [0, 43], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 8 } } }, 'while (true) { continue /* Multiline\nComment */there; }': { type: 'WhileStatement', test: { type: 'Literal', value: true, raw: 'true', range: [7, 11], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 11 } } }, body: { type: 'BlockStatement', body: [{ type: 'ContinueStatement', label: null, range: [15, 23], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 23 } } }, { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'there', range: [47, 52], loc: { start: { line: 2, column: 10 }, end: { line: 2, column: 15 } } }, range: [47, 53], loc: { start: { line: 2, column: 10 }, end: { line: 2, column: 16 } } }], range: [13, 55], loc: { start: { line: 1, column: 13 }, end: { line: 2, column: 18 } } }, range: [0, 55], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 18 } } }, 'while (true) { break\nthere; }': { type: 'WhileStatement', test: { type: 'Literal', value: true, raw: 'true', range: [7, 11], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 11 } } }, body: { type: 'BlockStatement', body: [{ type: 'BreakStatement', label: null, range: [15, 20], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 20 } } }, { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'there', range: [21, 26], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 5 } } }, range: [21, 27], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 6 } } }], range: [13, 29], loc: { start: { line: 1, column: 13 }, end: { line: 2, column: 8 } } }, range: [0, 29], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 8 } } }, 'while (true) { break // Comment\nthere; }': { type: 'WhileStatement', test: { type: 'Literal', value: true, raw: 'true', range: [7, 11], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 11 } } }, body: { type: 'BlockStatement', body: [{ type: 'BreakStatement', label: null, range: [15, 20], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 20 } } }, { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'there', range: [32, 37], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 5 } } }, range: [32, 38], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 6 } } }], range: [13, 40], loc: { start: { line: 1, column: 13 }, end: { line: 2, column: 8 } } }, range: [0, 40], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 8 } } }, 'while (true) { break /* Multiline\nComment */there; }': { type: 'WhileStatement', test: { type: 'Literal', value: true, raw: 'true', range: [7, 11], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 11 } } }, body: { type: 'BlockStatement', body: [{ type: 'BreakStatement', label: null, range: [15, 20], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 20 } } }, { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'there', range: [44, 49], loc: { start: { line: 2, column: 10 }, end: { line: 2, column: 15 } } }, range: [44, 50], loc: { start: { line: 2, column: 10 }, end: { line: 2, column: 16 } } }], range: [13, 52], loc: { start: { line: 1, column: 13 }, end: { line: 2, column: 18 } } }, range: [0, 52], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 18 } } }, '(function(){ return\nx; })': { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [ { type: 'ReturnStatement', argument: null, range: [13, 19], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 19 } } }, { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'x', range: [20, 21], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 1 } } }, range: [20, 22], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 2 } } } ], range: [11, 24], loc: { start: { line: 1, column: 11 }, end: { line: 2, column: 4 } } }, rest: null, generator: false, expression: false, range: [1, 24], loc: { start: { line: 1, column: 1 }, end: { line: 2, column: 4 } } }, range: [0, 25], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 5 } } }, '(function(){ return // Comment\nx; })': { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [ { type: 'ReturnStatement', argument: null, range: [13, 19], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 19 } } }, { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'x', range: [31, 32], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 1 } } }, range: [31, 33], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 2 } } } ], range: [11, 35], loc: { start: { line: 1, column: 11 }, end: { line: 2, column: 4 } } }, rest: null, generator: false, expression: false, range: [1, 35], loc: { start: { line: 1, column: 1 }, end: { line: 2, column: 4 } } }, range: [0, 36], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 5 } } }, '(function(){ return/* Multiline\nComment */x; })': { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [ { type: 'ReturnStatement', argument: null, range: [13, 19], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 19 } } }, { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'x', range: [42, 43], loc: { start: { line: 2, column: 10 }, end: { line: 2, column: 11 } } }, range: [42, 44], loc: { start: { line: 2, column: 10 }, end: { line: 2, column: 12 } } } ], range: [11, 46], loc: { start: { line: 1, column: 11 }, end: { line: 2, column: 14 } } }, rest: null, generator: false, expression: false, range: [1, 46], loc: { start: { line: 1, column: 1 }, end: { line: 2, column: 14 } } }, range: [0, 47], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 15 } } }, '{ throw error\nerror; }': { type: 'BlockStatement', body: [{ type: 'ThrowStatement', argument: { type: 'Identifier', name: 'error', range: [8, 13], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 13 } } }, range: [2, 14], loc: { start: { line: 1, column: 2 }, end: { line: 2, column: 0 } } }, { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'error', range: [14, 19], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 5 } } }, range: [14, 20], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 6 } } }], range: [0, 22], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 8 } } }, '{ throw error// Comment\nerror; }': { type: 'BlockStatement', body: [{ type: 'ThrowStatement', argument: { type: 'Identifier', name: 'error', range: [8, 13], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 13 } } }, range: [2, 24], loc: { start: { line: 1, column: 2 }, end: { line: 2, column: 0 } } }, { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'error', range: [24, 29], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 5 } } }, range: [24, 30], loc: { start: { line: 2, column: 0 }, end: { line: 2, column: 6 } } }], range: [0, 32], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 8 } } }, '{ throw error/* Multiline\nComment */error; }': { type: 'BlockStatement', body: [{ type: 'ThrowStatement', argument: { type: 'Identifier', name: 'error', range: [8, 13], loc: { start: { line: 1, column: 8 }, end: { line: 1, column: 13 } } }, range: [2, 36], loc: { start: { line: 1, column: 2 }, end: { line: 2, column: 10 } } }, { type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'error', range: [36, 41], loc: { start: { line: 2, column: 10 }, end: { line: 2, column: 15 } } }, range: [36, 42], loc: { start: { line: 2, column: 10 }, end: { line: 2, column: 16 } } }], range: [0, 44], loc: { start: { line: 1, column: 0 }, end: { line: 2, column: 18 } } } }, 'Source elements': { '': { type: 'Program', body: [], range: [0, 0], loc: { start: { line: 0, column: 0 }, end: { line: 0, column: 0 } }, tokens: [] } }, 'Invalid syntax': { '{': { index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Unexpected end of input' }, '}': { index: 0, lineNumber: 1, column: 1, message: 'Error: Line 1: Unexpected token }' }, '3ea': { index: 2, lineNumber: 1, column: 3, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '3in []': { index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '3e': { index: 2, lineNumber: 1, column: 3, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '3e+': { index: 3, lineNumber: 1, column: 4, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '3e-': { index: 3, lineNumber: 1, column: 4, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '3x': { index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '3x0': { index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '0x': { index: 2, lineNumber: 1, column: 3, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '09': { index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '018': { index: 2, lineNumber: 1, column: 3, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '01a': { index: 2, lineNumber: 1, column: 3, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '3in[]': { index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '0x3in[]': { index: 3, lineNumber: 1, column: 4, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '"Hello\nWorld"': { index: 7, lineNumber: 1, column: 8, message: 'Error: Line 1: Unexpected token ILLEGAL' }, 'x\\': { index: 2, lineNumber: 1, column: 3, message: 'Error: Line 1: Unexpected token ILLEGAL' }, 'x\\u005c': { index: 7, lineNumber: 1, column: 8, message: 'Error: Line 1: Unexpected token ILLEGAL' }, 'x\\u002a': { index: 7, lineNumber: 1, column: 8, message: 'Error: Line 1: Unexpected token ILLEGAL' }, 'var x = /(s/g': { index: 13, lineNumber: 1, column: 14, message: 'Error: Line 1: Invalid regular expression' }, '/': { index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Invalid regular expression: missing /' }, '/test': { index: 5, lineNumber: 1, column: 6, message: 'Error: Line 1: Invalid regular expression: missing /' }, 'var x = /[a-z]/\\ux': { index: 18, lineNumber: 1, column: 19, message: 'Error: Line 1: Invalid regular expression' }, '3 = 4': { index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Invalid left-hand side in assignment' }, 'func() = 4': { index: 6, lineNumber: 1, column: 7, message: 'Error: Line 1: Invalid left-hand side in assignment' }, '(1 + 1) = 10': { index: 7, lineNumber: 1, column: 8, message: 'Error: Line 1: Invalid left-hand side in assignment' }, '1++': { index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Invalid left-hand side in assignment' }, '1--': { index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Invalid left-hand side in assignment' }, '++1': { index: 3, lineNumber: 1, column: 4, message: 'Error: Line 1: Invalid left-hand side in assignment' }, '--1': { index: 3, lineNumber: 1, column: 4, message: 'Error: Line 1: Invalid left-hand side in assignment' }, 'for((1 + 1) in list) process(x);': { index: 11, lineNumber: 1, column: 12, message: 'Error: Line 1: Invalid left-hand side in for-in' }, '[': { index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Unexpected end of input' }, '[,': { index: 2, lineNumber: 1, column: 3, message: 'Error: Line 1: Unexpected end of input' }, '1 + {': { index: 5, lineNumber: 1, column: 6, message: 'Error: Line 1: Unexpected end of input' }, '1 + { t:t ': { index: 10, lineNumber: 1, column: 11, message: 'Error: Line 1: Unexpected end of input' }, '1 + { t:t,': { index: 10, lineNumber: 1, column: 11, message: 'Error: Line 1: Unexpected end of input' }, 'var x = /\n/': { index: 10, lineNumber: 1, column: 11, message: 'Error: Line 1: Invalid regular expression: missing /' }, 'var x = "\n': { index: 10, lineNumber: 1, column: 11, message: 'Error: Line 1: Unexpected token ILLEGAL' }, 'var if = 42': { index: 4, lineNumber: 1, column: 5, message: 'Error: Line 1: Unexpected token if' }, 'i + 2 = 42': { index: 5, lineNumber: 1, column: 6, message: 'Error: Line 1: Invalid left-hand side in assignment' }, '+i = 42': { index: 2, lineNumber: 1, column: 3, message: 'Error: Line 1: Invalid left-hand side in assignment' }, '1 + (': { index: 5, lineNumber: 1, column: 6, message: 'Error: Line 1: Unexpected end of input' }, '\n\n\n{': { index: 4, lineNumber: 4, column: 2, message: 'Error: Line 4: Unexpected end of input' }, '\n/* Some multiline\ncomment */\n)': { index: 30, lineNumber: 4, column: 1, message: 'Error: Line 4: Unexpected token )' }, '{ set 1 }': { index: 6, lineNumber: 1, column: 7, message: 'Error: Line 1: Unexpected number' }, '{ get 2 }': { index: 6, lineNumber: 1, column: 7, message: 'Error: Line 1: Unexpected number' }, '({ set: s(if) { } })': { index: 10, lineNumber: 1, column: 11, message: 'Error: Line 1: Unexpected token if' }, '({ set s(.) { } })': { index: 9, lineNumber: 1, column: 10, message: 'Error: Line 1: Unexpected token .' }, '({ set s() { } })': { index: 9, lineNumber: 1, column: 10, message: 'Error: Line 1: Unexpected token )' }, '({ set: s() { } })': { index: 12, lineNumber: 1, column: 13, message: 'Error: Line 1: Unexpected token {' }, '({ set: s(a, b) { } })': { index: 16, lineNumber: 1, column: 17, message: 'Error: Line 1: Unexpected token {' }, '({ get: g(d) { } })': { index: 13, lineNumber: 1, column: 14, message: 'Error: Line 1: Unexpected token {' }, '({ get i() { }, i: 42 })': { index: 21, lineNumber: 1, column: 22, message: 'Error: Line 1: Object literal may not have data and accessor property with the same name' }, '({ i: 42, get i() { } })': { index: 21, lineNumber: 1, column: 22, message: 'Error: Line 1: Object literal may not have data and accessor property with the same name' }, '({ set i(x) { }, i: 42 })': { index: 22, lineNumber: 1, column: 23, message: 'Error: Line 1: Object literal may not have data and accessor property with the same name' }, '({ i: 42, set i(x) { } })': { index: 22, lineNumber: 1, column: 23, message: 'Error: Line 1: Object literal may not have data and accessor property with the same name' }, '({ get i() { }, get i() { } })': { index: 27, lineNumber: 1, column: 28, message: 'Error: Line 1: Object literal may not have multiple get/set accessors with the same name' }, '({ set i(x) { }, set i(x) { } })': { index: 29, lineNumber: 1, column: 30, message: 'Error: Line 1: Object literal may not have multiple get/set accessors with the same name' }, 'function t(if) { }': { index: 11, lineNumber: 1, column: 12, message: 'Error: Line 1: Unexpected token if' }, 'function t(true) { }': { index: 11, lineNumber: 1, column: 12, message: 'Error: Line 1: Unexpected token true' }, 'function t(false) { }': { index: 11, lineNumber: 1, column: 12, message: 'Error: Line 1: Unexpected token false' }, 'function t(null) { }': { index: 11, lineNumber: 1, column: 12, message: 'Error: Line 1: Unexpected token null' }, 'function null() { }': { index: 9, lineNumber: 1, column: 10, message: 'Error: Line 1: Unexpected token null' }, 'function true() { }': { index: 9, lineNumber: 1, column: 10, message: 'Error: Line 1: Unexpected token true' }, 'function false() { }': { index: 9, lineNumber: 1, column: 10, message: 'Error: Line 1: Unexpected token false' }, 'function if() { }': { index: 9, lineNumber: 1, column: 10, message: 'Error: Line 1: Unexpected token if' }, 'a b;': { index: 2, lineNumber: 1, column: 3, message: 'Error: Line 1: Unexpected identifier' }, 'if.a;': { index: 2, lineNumber: 1, column: 3, message: 'Error: Line 1: Unexpected token .' }, 'a if;': { index: 2, lineNumber: 1, column: 3, message: 'Error: Line 1: Unexpected token if' }, 'a class;': { index: 2, lineNumber: 1, column: 3, message: 'Error: Line 1: Unexpected reserved word' }, 'break\n': { index: 5, lineNumber: 1, column: 6, message: 'Error: Line 1: Illegal break statement' }, 'break 1;': { index: 6, lineNumber: 1, column: 7, message: 'Error: Line 1: Unexpected number' }, 'continue\n': { index: 8, lineNumber: 1, column: 9, message: 'Error: Line 1: Illegal continue statement' }, 'continue 2;': { index: 9, lineNumber: 1, column: 10, message: 'Error: Line 1: Unexpected number' }, 'throw': { index: 5, lineNumber: 1, column: 6, message: 'Error: Line 1: Unexpected end of input' }, 'throw;': { index: 5, lineNumber: 1, column: 6, message: 'Error: Line 1: Unexpected token ;' }, 'throw\n': { index: 5, lineNumber: 1, column: 6, message: 'Error: Line 1: Illegal newline after throw' }, 'for (var i, i2 in {});': { index: 15, lineNumber: 1, column: 16, message: 'Error: Line 1: Unexpected token in' }, 'for ((i in {}));': { index: 14, lineNumber: 1, column: 15, message: 'Error: Line 1: Unexpected token )' }, 'for (i + 1 in {});': { index: 10, lineNumber: 1, column: 11, message: 'Error: Line 1: Invalid left-hand side in for-in' }, 'for (+i in {});': { index: 7, lineNumber: 1, column: 8, message: 'Error: Line 1: Invalid left-hand side in for-in' }, 'if(false)': { index: 9, lineNumber: 1, column: 10, message: 'Error: Line 1: Unexpected end of input' }, 'if(false) doThis(); else': { index: 24, lineNumber: 1, column: 25, message: 'Error: Line 1: Unexpected end of input' }, 'do': { index: 2, lineNumber: 1, column: 3, message: 'Error: Line 1: Unexpected end of input' }, 'while(false)': { index: 12, lineNumber: 1, column: 13, message: 'Error: Line 1: Unexpected end of input' }, 'for(;;)': { index: 7, lineNumber: 1, column: 8, message: 'Error: Line 1: Unexpected end of input' }, 'with(x)': { index: 7, lineNumber: 1, column: 8, message: 'Error: Line 1: Unexpected end of input' }, 'try { }': { index: 7, lineNumber: 1, column: 8, message: 'Error: Line 1: Missing catch or finally after try' }, 'try {} catch (42) {} ': { index: 14, lineNumber: 1, column: 15, message: 'Error: Line 1: Unexpected number' }, 'try {} catch (answer()) {} ': { index: 20, lineNumber: 1, column: 21, message: 'Error: Line 1: Unexpected token (' }, 'try {} catch (-x) {} ': { index: 14, lineNumber: 1, column: 15, message: 'Error: Line 1: Unexpected token -' }, '\u203F = 10': { index: 0, lineNumber: 1, column: 1, message: 'Error: Line 1: Unexpected token ILLEGAL' }, 'const x = 12, y;': { index: 15, lineNumber: 1, column: 16, message: 'Error: Line 1: Unexpected token ;' }, 'const x, y = 12;': { index: 7, lineNumber: 1, column: 8, message: 'Error: Line 1: Unexpected token ,' }, 'const x;': { index: 7, lineNumber: 1, column: 8, message: 'Error: Line 1: Unexpected token ;' }, 'if(true) let a = 1;': { index: 9, lineNumber: 1, column: 10, message: 'Error: Line 1: Unexpected token let' }, 'if(true) const a = 1;': { index: 9, lineNumber: 1, column: 10, message: 'Error: Line 1: Unexpected token const' }, 'switch (c) { default: default: }': { index: 30, lineNumber: 1, column: 31, message: 'Error: Line 1: More than one default clause in switch statement' }, 'new X()."s"': { index: 8, lineNumber: 1, column: 9, message: 'Error: Line 1: Unexpected string' }, '/*': { index: 2, lineNumber: 1, column: 3, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '/*\n\n\n': { index: 5, lineNumber: 4, column: 1, message: 'Error: Line 4: Unexpected token ILLEGAL' }, '/**': { index: 3, lineNumber: 1, column: 4, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '/*\n\n*': { index: 5, lineNumber: 3, column: 2, message: 'Error: Line 3: Unexpected token ILLEGAL' }, '/*hello': { index: 7, lineNumber: 1, column: 8, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '/*hello *': { index: 10, lineNumber: 1, column: 11, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '\n]': { index: 1, lineNumber: 2, column: 1, message: 'Error: Line 2: Unexpected token ]' }, '\r]': { index: 1, lineNumber: 2, column: 1, message: 'Error: Line 2: Unexpected token ]' }, '\r\n]': { index: 2, lineNumber: 2, column: 1, message: 'Error: Line 2: Unexpected token ]' }, '\n\r]': { index: 2, lineNumber: 3, column: 1, message: 'Error: Line 3: Unexpected token ]' }, '//\r\n]': { index: 4, lineNumber: 2, column: 1, message: 'Error: Line 2: Unexpected token ]' }, '//\n\r]': { index: 4, lineNumber: 3, column: 1, message: 'Error: Line 3: Unexpected token ]' }, '/a\\\n/': { index: 4, lineNumber: 1, column: 5, message: 'Error: Line 1: Invalid regular expression: missing /' }, '//\r \n]': { index: 5, lineNumber: 3, column: 1, message: 'Error: Line 3: Unexpected token ]' }, '/*\r\n*/]': { index: 6, lineNumber: 2, column: 3, message: 'Error: Line 2: Unexpected token ]' }, '/*\n\r*/]': { index: 6, lineNumber: 3, column: 3, message: 'Error: Line 3: Unexpected token ]' }, '/*\r \n*/]': { index: 7, lineNumber: 3, column: 3, message: 'Error: Line 3: Unexpected token ]' }, '\\\\': { index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '\\u005c': { index: 6, lineNumber: 1, column: 7, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '\\x': { index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '\\u0000': { index: 6, lineNumber: 1, column: 7, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '\u200C = []': { index: 0, lineNumber: 1, column: 1, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '\u200D = []': { index: 0, lineNumber: 1, column: 1, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '"\\': { index: 3, lineNumber: 1, column: 4, message: 'Error: Line 1: Unexpected token ILLEGAL' }, '"\\u': { index: 3, lineNumber: 1, column: 4, message: 'Error: Line 1: Unexpected token ILLEGAL' }, 'try { } catch() {}': { index: 14, lineNumber: 1, column: 15, message: 'Error: Line 1: Unexpected token )' }, 'return': { index: 6, lineNumber: 1, column: 7, message: 'Error: Line 1: Illegal return statement' }, 'break': { index: 5, lineNumber: 1, column: 6, message: 'Error: Line 1: Illegal break statement' }, 'continue': { index: 8, lineNumber: 1, column: 9, message: 'Error: Line 1: Illegal continue statement' }, 'switch (x) { default: continue; }': { index: 31, lineNumber: 1, column: 32, message: 'Error: Line 1: Illegal continue statement' }, 'do { x } *': { index: 9, lineNumber: 1, column: 10, message: 'Error: Line 1: Unexpected token *' }, 'while (true) { break x; }': { index: 22, lineNumber: 1, column: 23, message: 'Error: Line 1: Undefined label \'x\'' }, 'while (true) { continue x; }': { index: 25, lineNumber: 1, column: 26, message: 'Error: Line 1: Undefined label \'x\'' }, 'x: while (true) { (function () { break x; }); }': { index: 40, lineNumber: 1, column: 41, message: 'Error: Line 1: Undefined label \'x\'' }, 'x: while (true) { (function () { continue x; }); }': { index: 43, lineNumber: 1, column: 44, message: 'Error: Line 1: Undefined label \'x\'' }, 'x: while (true) { (function () { break; }); }': { index: 39, lineNumber: 1, column: 40, message: 'Error: Line 1: Illegal break statement' }, 'x: while (true) { (function () { continue; }); }': { index: 42, lineNumber: 1, column: 43, message: 'Error: Line 1: Illegal continue statement' }, 'x: while (true) { x: while (true) { } }': { index: 20, lineNumber: 1, column: 21, message: 'Error: Line 1: Label \'x\' has already been declared' }, '(function () { \'use strict\'; delete i; }())': { index: 37, lineNumber: 1, column: 38, message: 'Error: Line 1: Delete of an unqualified identifier in strict mode.' }, '(function () { \'use strict\'; with (i); }())': { index: 28, lineNumber: 1, column: 29, message: 'Error: Line 1: Strict mode code may not include a with statement' }, 'function hello() {\'use strict\'; ({ i: 42, i: 42 }) }': { index: 47, lineNumber: 1, column: 48, message: 'Error: Line 1: Duplicate data property in object literal not allowed in strict mode' }, 'function hello() {\'use strict\'; ({ hasOwnProperty: 42, hasOwnProperty: 42 }) }': { index: 73, lineNumber: 1, column: 74, message: 'Error: Line 1: Duplicate data property in object literal not allowed in strict mode' }, 'function hello() {\'use strict\'; var eval = 10; }': { index: 40, lineNumber: 1, column: 41, message: 'Error: Line 1: Variable name may not be eval or arguments in strict mode' }, 'function hello() {\'use strict\'; var arguments = 10; }': { index: 45, lineNumber: 1, column: 46, message: 'Error: Line 1: Variable name may not be eval or arguments in strict mode' }, 'function hello() {\'use strict\'; try { } catch (eval) { } }': { index: 51, lineNumber: 1, column: 52, message: 'Error: Line 1: Catch variable may not be eval or arguments in strict mode' }, 'function hello() {\'use strict\'; try { } catch (arguments) { } }': { index: 56, lineNumber: 1, column: 57, message: 'Error: Line 1: Catch variable may not be eval or arguments in strict mode' }, 'function hello() {\'use strict\'; eval = 10; }': { index: 32, lineNumber: 1, column: 33, message: 'Error: Line 1: Assignment to eval or arguments is not allowed in strict mode' }, 'function hello() {\'use strict\'; arguments = 10; }': { index: 32, lineNumber: 1, column: 33, message: 'Error: Line 1: Assignment to eval or arguments is not allowed in strict mode' }, 'function hello() {\'use strict\'; ++eval; }': { index: 38, lineNumber: 1, column: 39, message: 'Error: Line 1: Prefix increment/decrement may not have eval or arguments operand in strict mode' }, 'function hello() {\'use strict\'; --eval; }': { index: 38, lineNumber: 1, column: 39, message: 'Error: Line 1: Prefix increment/decrement may not have eval or arguments operand in strict mode' }, 'function hello() {\'use strict\'; ++arguments; }': { index: 43, lineNumber: 1, column: 44, message: 'Error: Line 1: Prefix increment/decrement may not have eval or arguments operand in strict mode' }, 'function hello() {\'use strict\'; --arguments; }': { index: 43, lineNumber: 1, column: 44, message: 'Error: Line 1: Prefix increment/decrement may not have eval or arguments operand in strict mode' }, 'function hello() {\'use strict\'; eval++; }': { index: 36, lineNumber: 1, column: 37, message: 'Error: Line 1: Postfix increment/decrement may not have eval or arguments operand in strict mode' }, 'function hello() {\'use strict\'; eval--; }': { index: 36, lineNumber: 1, column: 37, message: 'Error: Line 1: Postfix increment/decrement may not have eval or arguments operand in strict mode' }, 'function hello() {\'use strict\'; arguments++; }': { index: 41, lineNumber: 1, column: 42, message: 'Error: Line 1: Postfix increment/decrement may not have eval or arguments operand in strict mode' }, 'function hello() {\'use strict\'; arguments--; }': { index: 41, lineNumber: 1, column: 42, message: 'Error: Line 1: Postfix increment/decrement may not have eval or arguments operand in strict mode' }, 'function hello() {\'use strict\'; function eval() { } }': { index: 41, lineNumber: 1, column: 42, message: 'Error: Line 1: Function name may not be eval or arguments in strict mode' }, 'function hello() {\'use strict\'; function arguments() { } }': { index: 41, lineNumber: 1, column: 42, message: 'Error: Line 1: Function name may not be eval or arguments in strict mode' }, 'function eval() {\'use strict\'; }': { index: 9, lineNumber: 1, column: 10, message: 'Error: Line 1: Function name may not be eval or arguments in strict mode' }, 'function arguments() {\'use strict\'; }': { index: 9, lineNumber: 1, column: 10, message: 'Error: Line 1: Function name may not be eval or arguments in strict mode' }, 'function hello() {\'use strict\'; (function eval() { }()) }': { index: 42, lineNumber: 1, column: 43, message: 'Error: Line 1: Function name may not be eval or arguments in strict mode' }, 'function hello() {\'use strict\'; (function arguments() { }()) }': { index: 42, lineNumber: 1, column: 43, message: 'Error: Line 1: Function name may not be eval or arguments in strict mode' }, '(function eval() {\'use strict\'; })()': { index: 10, lineNumber: 1, column: 11, message: 'Error: Line 1: Function name may not be eval or arguments in strict mode' }, '(function arguments() {\'use strict\'; })()': { index: 10, lineNumber: 1, column: 11, message: 'Error: Line 1: Function name may not be eval or arguments in strict mode' }, 'function hello() {\'use strict\'; ({ s: function eval() { } }); }': { index: 47, lineNumber: 1, column: 48, message: 'Error: Line 1: Function name may not be eval or arguments in strict mode' }, '(function package() {\'use strict\'; })()': { index: 10, lineNumber: 1, column: 11, message: 'Error: Line 1: Use of future reserved word in strict mode' }, 'function hello() {\'use strict\'; ({ i: 10, set s(eval) { } }); }': { index: 48, lineNumber: 1, column: 49, message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode' }, 'function hello() {\'use strict\'; ({ set s(eval) { } }); }': { index: 41, lineNumber: 1, column: 42, message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode' }, 'function hello() {\'use strict\'; ({ s: function s(eval) { } }); }': { index: 49, lineNumber: 1, column: 50, message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode' }, 'function hello(eval) {\'use strict\';}': { index: 15, lineNumber: 1, column: 16, message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode' }, 'function hello(arguments) {\'use strict\';}': { index: 15, lineNumber: 1, column: 16, message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode' }, 'function hello() { \'use strict\'; function inner(eval) {} }': { index: 48, lineNumber: 1, column: 49, message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode' }, 'function hello() { \'use strict\'; function inner(arguments) {} }': { index: 48, lineNumber: 1, column: 49, message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode' }, ' "\\1"; \'use strict\';': { index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Octal literals are not allowed in strict mode.' }, 'function hello() { \'use strict\'; "\\1"; }': { index: 33, lineNumber: 1, column: 34, message: 'Error: Line 1: Octal literals are not allowed in strict mode.' }, 'function hello() { \'use strict\'; 021; }': { index: 33, lineNumber: 1, column: 34, message: 'Error: Line 1: Octal literals are not allowed in strict mode.' }, 'function hello() { \'use strict\'; ({ "\\1": 42 }); }': { index: 36, lineNumber: 1, column: 37, message: 'Error: Line 1: Octal literals are not allowed in strict mode.' }, 'function hello() { \'use strict\'; ({ 021: 42 }); }': { index: 36, lineNumber: 1, column: 37, message: 'Error: Line 1: Octal literals are not allowed in strict mode.' }, 'function hello() { "octal directive\\1"; "use strict"; }': { index: 19, lineNumber: 1, column: 20, message: 'Error: Line 1: Octal literals are not allowed in strict mode.' }, 'function hello() { "octal directive\\1"; "octal directive\\2"; "use strict"; }': { index: 19, lineNumber: 1, column: 20, message: 'Error: Line 1: Octal literals are not allowed in strict mode.' }, 'function hello() { "use strict"; function inner() { "octal directive\\1"; } }': { index: 52, lineNumber: 1, column: 53, message: 'Error: Line 1: Octal literals are not allowed in strict mode.' }, 'function hello() { "use strict"; var implements; }': { index: 37, lineNumber: 1, column: 38, message: 'Error: Line 1: Use of future reserved word in strict mode' }, 'function hello() { "use strict"; var interface; }': { index: 37, lineNumber: 1, column: 38, message: 'Error: Line 1: Use of future reserved word in strict mode' }, 'function hello() { "use strict"; var package; }': { index: 37, lineNumber: 1, column: 38, message: 'Error: Line 1: Use of future reserved word in strict mode' }, 'function hello() { "use strict"; var private; }': { index: 37, lineNumber: 1, column: 38, message: 'Error: Line 1: Use of future reserved word in strict mode' }, 'function hello() { "use strict"; var protected; }': { index: 37, lineNumber: 1, column: 38, message: 'Error: Line 1: Use of future reserved word in strict mode' }, 'function hello() { "use strict"; var public; }': { index: 37, lineNumber: 1, column: 38, message: 'Error: Line 1: Use of future reserved word in strict mode' }, 'function hello() { "use strict"; var static; }': { index: 37, lineNumber: 1, column: 38, message: 'Error: Line 1: Use of future reserved word in strict mode' }, 'function hello() { "use strict"; var yield; }': { index: 37, lineNumber: 1, column: 38, message: 'Error: Line 1: Use of future reserved word in strict mode' }, 'function hello() { "use strict"; var let; }': { index: 37, lineNumber: 1, column: 38, message: 'Error: Line 1: Use of future reserved word in strict mode' }, 'function hello(static) { "use strict"; }': { index: 15, lineNumber: 1, column: 16, message: 'Error: Line 1: Use of future reserved word in strict mode' }, 'function static() { "use strict"; }': { index: 9, lineNumber: 1, column: 10, message: 'Error: Line 1: Use of future reserved word in strict mode' }, 'var yield': { index: 4, lineNumber: 1, column: 5, message: 'Error: Line 1: Unexpected token yield' }, 'var let': { index: 4, lineNumber: 1, column: 5, message: 'Error: Line 1: Unexpected token let' }, '"use strict"; function static() { }': { index: 23, lineNumber: 1, column: 24, message: 'Error: Line 1: Use of future reserved word in strict mode' }, 'function a(t, t) { "use strict"; }': { index: 14, lineNumber: 1, column: 15, message: 'Error: Line 1: Strict mode function may not have duplicate parameter names' }, 'function a(eval) { "use strict"; }': { index: 11, lineNumber: 1, column: 12, message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode' }, 'function a(package) { "use strict"; }': { index: 11, lineNumber: 1, column: 12, message: 'Error: Line 1: Use of future reserved word in strict mode' }, 'function a() { "use strict"; function b(t, t) { }; }': { index: 43, lineNumber: 1, column: 44, message: 'Error: Line 1: Strict mode function may not have duplicate parameter names' }, '(function a(t, t) { "use strict"; })': { index: 15, lineNumber: 1, column: 16, message: 'Error: Line 1: Strict mode function may not have duplicate parameter names' }, 'function a() { "use strict"; (function b(t, t) { }); }': { index: 44, lineNumber: 1, column: 45, message: 'Error: Line 1: Strict mode function may not have duplicate parameter names' }, '(function a(eval) { "use strict"; })': { index: 12, lineNumber: 1, column: 13, message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode' }, '(function a(package) { "use strict"; })': { index: 12, lineNumber: 1, column: 13, message: 'Error: Line 1: Use of future reserved word in strict mode' }, 'var': { index: 3, lineNumber: 1, column: 4, message: 'Error: Line 1: Unexpected end of input' }, 'let': { index: 3, lineNumber: 1, column: 4, message: 'Error: Line 1: Unexpected end of input' }, 'const': { index: 5, lineNumber: 1, column: 6, message: 'Error: Line 1: Unexpected end of input' } }, 'API': { 'parse()': { call: 'parse', args: [], result: { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'undefined' } }] } }, 'parse(null)': { call: 'parse', args: [null], result: { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: null } }] } }, 'parse(42)': { call: 'parse', args: [42], result: { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 42 } }] } }, 'parse(true)': { call: 'parse', args: [true], result: { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: true } }] } }, 'parse(undefined)': { call: 'parse', args: [void 0], result: { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'undefined' } }] } }, 'parse(new String("test"))': { call: 'parse', args: [new String('test')], result: { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Identifier', name: 'test' } }] } }, 'parse(new Number(42))': { call: 'parse', args: [new Number(42)], result: { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 42 } }] } }, 'parse(new Boolean(true))': { call: 'parse', args: [new Boolean(true)], result: { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: true } }] } }, 'Syntax': { property: 'Syntax', result: { AssignmentExpression: 'AssignmentExpression', ArrayExpression: 'ArrayExpression', BlockStatement: 'BlockStatement', BinaryExpression: 'BinaryExpression', BreakStatement: 'BreakStatement', CallExpression: 'CallExpression', CatchClause: 'CatchClause', ConditionalExpression: 'ConditionalExpression', ContinueStatement: 'ContinueStatement', DoWhileStatement: 'DoWhileStatement', DebuggerStatement: 'DebuggerStatement', EmptyStatement: 'EmptyStatement', ExpressionStatement: 'ExpressionStatement', ForStatement: 'ForStatement', ForInStatement: 'ForInStatement', FunctionDeclaration: 'FunctionDeclaration', FunctionExpression: 'FunctionExpression', Identifier: 'Identifier', IfStatement: 'IfStatement', Literal: 'Literal', LabeledStatement: 'LabeledStatement', LogicalExpression: 'LogicalExpression', MemberExpression: 'MemberExpression', NewExpression: 'NewExpression', ObjectExpression: 'ObjectExpression', Program: 'Program', Property: 'Property', ReturnStatement: 'ReturnStatement', SequenceExpression: 'SequenceExpression', SwitchStatement: 'SwitchStatement', SwitchCase: 'SwitchCase', ThisExpression: 'ThisExpression', ThrowStatement: 'ThrowStatement', TryStatement: 'TryStatement', UnaryExpression: 'UnaryExpression', UpdateExpression: 'UpdateExpression', VariableDeclaration: 'VariableDeclaration', VariableDeclarator: 'VariableDeclarator', WhileStatement: 'WhileStatement', WithStatement: 'WithStatement' } } }, 'Tolerant parse': { 'return': { type: 'Program', body: [{ type: 'ReturnStatement', 'argument': null, range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } } }], range: [0, 6], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 6 } }, errors: [{ index: 6, lineNumber: 1, column: 7, message: 'Error: Line 1: Illegal return statement' }] }, '(function () { \'use strict\'; with (i); }())': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '\'use strict\'', range: [15, 27], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 27 } } }, range: [15, 28], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 28 } } }, { type: 'WithStatement', object: { type: 'Identifier', name: 'i', range: [35, 36], loc: { start: { line: 1, column: 35 }, end: { line: 1, column: 36 } } }, body: { type: 'EmptyStatement', range: [37, 38], loc: { start: { line: 1, column: 37 }, end: { line: 1, column: 38 } } }, range: [29, 38], loc: { start: { line: 1, column: 29 }, end: { line: 1, column: 38 } } }], range: [13, 40], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 40 } } }, rest: null, generator: false, expression: false, range: [1, 40], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 40 } } }, 'arguments': [], range: [1, 42], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 42 } } }, range: [0, 43], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 43 } } }], range: [0, 43], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 43 } }, errors: [{ index: 29, lineNumber: 1, column: 30, message: 'Error: Line 1: Strict mode code may not include a with statement' }] }, '(function () { \'use strict\'; 021 }())': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'CallExpression', callee: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '\'use strict\'', range: [15, 27], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 27 } } }, range: [15, 28], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 28 } } }, { type: 'ExpressionStatement', expression: { type: 'Literal', value: 17, raw: "021", range: [29, 32], loc: { start: { line: 1, column: 29 }, end: { line: 1, column: 32 } } }, range: [29, 33], loc: { start: { line: 1, column: 29 }, end: { line: 1, column: 33 } } }], range: [13, 34], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 34 } } }, rest: null, generator: false, expression: false, range: [1, 34], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 34 } } }, 'arguments': [], range: [1, 36], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 36 } } }, range: [0, 37], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 37 } } }], range: [0, 37], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 37 } }, errors: [{ index: 29, lineNumber: 1, column: 30, message: 'Error: Line 1: Octal literals are not allowed in strict mode.' }] }, '"use strict"; delete x': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'ExpressionStatement', expression: { type: 'UnaryExpression', operator: 'delete', argument: { type: 'Identifier', name: 'x', range: [21, 22], loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 22 } } }, prefix: true, range: [14, 22], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 22 } } }, range: [14, 22], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 22 } } }], range: [0, 22], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 22 } }, errors: [{ index: 22, lineNumber: 1, column: 23, message: 'Error: Line 1: Delete of an unqualified identifier in strict mode.' }] }, '"use strict"; try {} catch (eval) {}': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'TryStatement', block: { type: 'BlockStatement', body: [], range: [18, 20], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 20 } } }, guardedHandlers: [], handlers: [{ type: 'CatchClause', param: { type: 'Identifier', name: 'eval', range: [28, 32], loc: { start: { line: 1, column: 28 }, end: { line: 1, column: 32 } } }, body: { type: 'BlockStatement', body: [], range: [34, 36], loc: { start: { line: 1, column: 34 }, end: { line: 1, column: 36 } } }, range: [21, 36], loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 36 } } }], finalizer: null, range: [14, 36], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 36 } } }], range: [0, 36], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 36 } }, errors: [{ index: 32, lineNumber: 1, column: 33, message: 'Error: Line 1: Catch variable may not be eval or arguments in strict mode' }] }, '"use strict"; try {} catch (arguments) {}': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'TryStatement', block: { type: 'BlockStatement', body: [], range: [18, 20], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 20 } } }, guardedHandlers: [], handlers: [{ type: 'CatchClause', param: { type: 'Identifier', name: 'arguments', range: [28, 37], loc: { start: { line: 1, column: 28 }, end: { line: 1, column: 37 } } }, body: { type: 'BlockStatement', body: [], range: [39, 41], loc: { start: { line: 1, column: 39 }, end: { line: 1, column: 41 } } }, range: [21, 41], loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 41 } } }], finalizer: null, range: [14, 41], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 41 } } }], range: [0, 41], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 41 } }, errors: [{ index: 37, lineNumber: 1, column: 38, message: 'Error: Line 1: Catch variable may not be eval or arguments in strict mode' }] }, '"use strict"; var eval;': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'eval', range: [18, 22], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 22 } } }, init: null, range: [18, 22], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 22 } } }], kind: 'var', range: [14, 23], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 23 } } }], range: [0, 23], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 23 } }, errors: [{ index: 22, lineNumber: 1, column: 23, message: 'Error: Line 1: Variable name may not be eval or arguments in strict mode' }] }, '"use strict"; var arguments;': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'arguments', range: [18, 27], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 27 } } }, init: null, range: [18, 27], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 27 } } }], kind: 'var', range: [14, 28], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 28 } } }], range: [0, 28], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 28 } }, errors: [{ index: 27, lineNumber: 1, column: 28, message: 'Error: Line 1: Variable name may not be eval or arguments in strict mode' }] }, '"use strict"; eval = 0;': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'eval', range: [14, 18], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 18 } } }, right: { type: 'Literal', value: 0, raw: '0', range: [21, 22], loc: { start: { line: 1, column: 21 }, end: { line: 1, column: 22 } } }, range: [14, 22], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 22 } } }, range: [14, 23], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 23 } } }], range: [0, 23], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 23 } }, errors: [{ index: 14, lineNumber: 1, column: 15, message: 'Error: Line 1: Assignment to eval or arguments is not allowed in strict mode' }] }, '"use strict"; eval++;': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '++', argument: { type: 'Identifier', name: 'eval', range: [14, 18], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 18 } } }, prefix: false, range: [14, 20], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 20 } } }, range: [14, 21], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 21 } } }], range: [0, 21], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 21 } }, errors: [{ index: 18, lineNumber: 1, column: 19, message: 'Error: Line 1: Postfix increment/decrement may not have eval or arguments operand in strict mode' }] }, '"use strict"; --eval;': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '--', argument: { type: 'Identifier', name: 'eval', range: [16, 20], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 20 } } }, prefix: true, range: [14, 20], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 20 } } }, range: [14, 21], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 21 } } }], range: [0, 21], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 21 } }, errors: [{ index: 20, lineNumber: 1, column: 21, message: 'Error: Line 1: Prefix increment/decrement may not have eval or arguments operand in strict mode' }] }, '"use strict"; arguments = 0;': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'arguments', range: [14, 23], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 23 } } }, right: { type: 'Literal', value: 0, raw: '0', range: [26, 27], loc: { start: { line: 1, column: 26 }, end: { line: 1, column: 27 } } }, range: [14, 27], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 27 } } }, range: [14, 28], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 28 } } }], range: [0, 28], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 28 } }, errors: [{ index: 14, lineNumber: 1, column: 15, message: 'Error: Line 1: Assignment to eval or arguments is not allowed in strict mode' }] }, '"use strict"; arguments--;': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '--', argument: { type: 'Identifier', name: 'arguments', range: [14, 23], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 23 } } }, prefix: false, range: [14, 25], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 25 } } }, range: [14, 26], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 26 } } }], range: [0, 26], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 26 } }, errors: [{ index: 23, lineNumber: 1, column: 24, message: 'Error: Line 1: Postfix increment/decrement may not have eval or arguments operand in strict mode' }] }, '"use strict"; ++arguments;': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '++', argument: { type: 'Identifier', name: 'arguments', range: [16, 25], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 25 } } }, prefix: true, range: [14, 25], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 25 } } }, range: [14, 26], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 26 } } }], range: [0, 26], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 26 } }, errors: [{ index: 25, lineNumber: 1, column: 26, message: 'Error: Line 1: Prefix increment/decrement may not have eval or arguments operand in strict mode' }] }, '"use strict";x={y:1,y:1}': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [13, 14], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 14 } } }, right: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Identifier', name: 'y', range: [16, 17], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 17 } } }, value: { type: 'Literal', value: 1, raw: '1', range: [18, 19], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 19 } } }, kind: 'init', range: [16, 19], loc: { start: { line: 1, column: 16 }, end: { line: 1, column: 19 } } }, { type: 'Property', key: { type: 'Identifier', name: 'y', range: [20, 21], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 21 } } }, value: { type: 'Literal', value: 1, raw: '1', range: [22, 23], loc: { start: { line: 1, column: 22 }, end: { line: 1, column: 23 } } }, kind: 'init', range: [20, 23], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 23 } } }], range: [15, 24], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 24 } } }, range: [13, 24], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 24 } } }, range: [13, 24], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 24 } } }], range: [0, 24], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 24 } }, errors: [{ index: 23, lineNumber: 1, column: 24, message: 'Error: Line 1: Duplicate data property in object literal not allowed in strict mode' }] }, '"use strict"; function eval() {};': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'FunctionDeclaration', id: { type: 'Identifier', name: 'eval', range: [23, 27], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 27 } } }, params: [], defaults: [], body: { type: 'BlockStatement', body: [], range: [30, 32], loc: { start: { line: 1, column: 30 }, end: { line: 1, column: 32 } } }, rest: null, generator: false, expression: false, range: [14, 32], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 32 } } }, { type: 'EmptyStatement', range: [32, 33], loc: { start: { line: 1, column: 32 }, end: { line: 1, column: 33 } } }], range: [0, 33], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 33 } }, errors: [{ index: 23, lineNumber: 1, column: 24, message: 'Error: Line 1: Function name may not be eval or arguments in strict mode' }] }, '"use strict"; function arguments() {};': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'FunctionDeclaration', id: { type: 'Identifier', name: 'arguments', range: [23, 32], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 32 } } }, params: [], defaults: [], body: { type: 'BlockStatement', body: [], range: [35, 37], loc: { start: { line: 1, column: 35 }, end: { line: 1, column: 37 } } }, rest: null, generator: false, expression: false, range: [14, 37], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 37 } } }, { type: 'EmptyStatement', range: [37, 38], loc: { start: { line: 1, column: 37 }, end: { line: 1, column: 38 } } }], range: [0, 38], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 38 } }, errors: [{ index: 23, lineNumber: 1, column: 24, message: 'Error: Line 1: Function name may not be eval or arguments in strict mode' }] }, '"use strict"; function interface() {};': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'FunctionDeclaration', id: { type: 'Identifier', name: 'interface', range: [23, 32], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 32 } } }, params: [], defaults: [], body: { type: 'BlockStatement', body: [], range: [35, 37], loc: { start: { line: 1, column: 35 }, end: { line: 1, column: 37 } } }, rest: null, generator: false, expression: false, range: [14, 37], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 37 } } }, { type: 'EmptyStatement', range: [37, 38], loc: { start: { line: 1, column: 37 }, end: { line: 1, column: 38 } } }], range: [0, 38], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 38 } }, errors: [{ index: 23, lineNumber: 1, column: 24, message: 'Error: Line 1: Use of future reserved word in strict mode' }] }, '"use strict"; (function eval() {});': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: { type: 'Identifier', name: 'eval', range: [24, 28], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 28 } } }, params: [], defaults: [], body: { type: 'BlockStatement', body: [], range: [31, 33], loc: { start: { line: 1, column: 31 }, end: { line: 1, column: 33 } } }, rest: null, generator: false, expression: false, range: [15, 33], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 33 } } }, range: [14, 35], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 35 } } }], range: [0, 35], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 35 } }, errors: [{ index: 24, lineNumber: 1, column: 25, message: 'Error: Line 1: Function name may not be eval or arguments in strict mode' }] }, '"use strict"; (function arguments() {});': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: { type: 'Identifier', name: 'arguments', range: [24, 33], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 33 } } }, params: [], defaults: [], body: { type: 'BlockStatement', body: [], range: [36, 38], loc: { start: { line: 1, column: 36 }, end: { line: 1, column: 38 } } }, rest: null, generator: false, expression: false, range: [15, 38], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 38 } } }, range: [14, 40], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 40 } } }], range: [0, 40], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 40 } }, errors: [{ index: 24, lineNumber: 1, column: 25, message: 'Error: Line 1: Function name may not be eval or arguments in strict mode' }] }, '"use strict"; (function interface() {});': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: { type: 'Identifier', name: 'interface', range: [24, 33], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 33 } } }, params: [], defaults: [], body: { type: 'BlockStatement', body: [], range: [36, 38], loc: { start: { line: 1, column: 36 }, end: { line: 1, column: 38 } } }, rest: null, generator: false, expression: false, range: [15, 38], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 38 } } }, range: [14, 40], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 40 } } }], range: [0, 40], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 40 } }, errors: [{ index: 24, lineNumber: 1, column: 25, message: 'Error: Line 1: Use of future reserved word in strict mode' }] }, '"use strict"; function f(eval) {};': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'FunctionDeclaration', id: { type: 'Identifier', name: 'f', range: [23, 24], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 24 } } }, params: [{ type: 'Identifier', name: 'eval', range: [25, 29], loc: { start: { line: 1, column: 25 }, end: { line: 1, column: 29 } } }], defaults: [], body: { type: 'BlockStatement', body: [], range: [31, 33], loc: { start: { line: 1, column: 31 }, end: { line: 1, column: 33 } } }, rest: null, generator: false, expression: false, range: [14, 33], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 33 } } }, { type: 'EmptyStatement', range: [33, 34], loc: { start: { line: 1, column: 33 }, end: { line: 1, column: 34 } } }], range: [0, 34], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 34 } }, errors: [{ index: 25, lineNumber: 1, column: 26, message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode' }] }, '"use strict"; function f(arguments) {};': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'FunctionDeclaration', id: { type: 'Identifier', name: 'f', range: [23, 24], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 24 } } }, params: [{ type: 'Identifier', name: 'arguments', range: [25, 34], loc: { start: { line: 1, column: 25 }, end: { line: 1, column: 34 } } }], defaults: [], body: { type: 'BlockStatement', body: [], range: [36, 38], loc: { start: { line: 1, column: 36 }, end: { line: 1, column: 38 } } }, rest: null, generator: false, expression: false, range: [14, 38], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 38 } } }, { type: 'EmptyStatement', range: [38, 39], loc: { start: { line: 1, column: 38 }, end: { line: 1, column: 39 } } }], range: [0, 39], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 39 } }, errors: [{ index: 25, lineNumber: 1, column: 26, message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode' }] }, '"use strict"; function f(foo, foo) {};': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'FunctionDeclaration', id: { type: 'Identifier', name: 'f', range: [23, 24], loc: { start: { line: 1, column: 23 }, end: { line: 1, column: 24 } } }, params: [{ type: 'Identifier', name: 'foo', range: [25, 28], loc: { start: { line: 1, column: 25 }, end: { line: 1, column: 28 } } }, { type: 'Identifier', name: 'foo', range: [31, 34], loc: { start: { line: 1, column: 31 }, end: { line: 1, column: 34 } } }], defaults: [], body: { type: 'BlockStatement', body: [], range: [36, 38], loc: { start: { line: 1, column: 36 }, end: { line: 1, column: 38 } } }, rest: null, generator: false, expression: false, range: [14, 38], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 38 } } }, { type: 'EmptyStatement', range: [38, 39], loc: { start: { line: 1, column: 38 }, end: { line: 1, column: 39 } } }], range: [0, 39], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 39 } }, errors: [{ index: 31, lineNumber: 1, column: 32, message: 'Error: Line 1: Strict mode function may not have duplicate parameter names' }] }, '"use strict"; (function f(eval) {});': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: { type: 'Identifier', name: 'f', range: [24, 25], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 25 } } }, params: [{ type: 'Identifier', name: 'eval', range: [26, 30], loc: { start: { line: 1, column: 26 }, end: { line: 1, column: 30 } } }], defaults: [], body: { type: 'BlockStatement', body: [], range: [32, 34], loc: { start: { line: 1, column: 32 }, end: { line: 1, column: 34 } } }, rest: null, generator: false, expression: false, range: [15, 34], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 34 } } }, range: [14, 36], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 36 } } }], range: [0, 36], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 36 } }, errors: [{ index: 26, lineNumber: 1, column: 27, message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode' }] }, '"use strict"; (function f(arguments) {});': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: { type: 'Identifier', name: 'f', range: [24, 25], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 25 } } }, params: [{ type: 'Identifier', name: 'arguments', range: [26, 35], loc: { start: { line: 1, column: 26 }, end: { line: 1, column: 35 } } }], defaults: [], body: { type: 'BlockStatement', body: [], range: [37, 39], loc: { start: { line: 1, column: 37 }, end: { line: 1, column: 39 } } }, rest: null, generator: false, expression: false, range: [15, 39], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 39 } } }, range: [14, 41], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 41 } } }], range: [0, 41], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 41 } }, errors: [{ index: 26, lineNumber: 1, column: 27, message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode' }] }, '"use strict"; (function f(foo, foo) {});': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'ExpressionStatement', expression: { type: 'FunctionExpression', id: { type: 'Identifier', name: 'f', range: [24, 25], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 25 } } }, params: [{ type: 'Identifier', name: 'foo', range: [26, 29], loc: { start: { line: 1, column: 26 }, end: { line: 1, column: 29 } } }, { type: 'Identifier', name: 'foo', range: [32, 35], loc: { start: { line: 1, column: 32 }, end: { line: 1, column: 35 } } }], defaults: [], body: { type: 'BlockStatement', body: [], range: [37, 39], loc: { start: { line: 1, column: 37 }, end: { line: 1, column: 39 } } }, rest: null, generator: false, expression: false, range: [15, 39], loc: { start: { line: 1, column: 15 }, end: { line: 1, column: 39 } } }, range: [14, 41], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 41 } } }], range: [0, 41], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 41 } }, errors: [{ index: 32, lineNumber: 1, column: 33, message: 'Error: Line 1: Strict mode function may not have duplicate parameter names' }] }, '"use strict"; x = { set f(eval) {} }' : { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Identifier', name: 'x', range: [14, 15], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 15 } } }, right: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Identifier', name: 'f', range: [24, 25], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 25 } } }, value : { type: 'FunctionExpression', id: null, params: [{ type: 'Identifier', name: 'eval', range: [26, 30], loc: { start: { line: 1, column: 26 }, end: { line: 1, column: 30 } } }], defaults: [], body: { type: 'BlockStatement', body: [], range: [32, 34], loc: { start: { line: 1, column: 32 }, end: { line: 1, column: 34 } } }, rest: null, generator: false, expression: false, range: [32, 34], loc: { start: { line: 1, column: 32 }, end: { line: 1, column: 34 } } }, kind: 'set', range: [20, 34], loc: { start: { line: 1, column: 20 }, end: { line: 1, column: 34 } } }], range: [18, 36], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 36 } } }, range: [14, 36], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 36 } } }, range: [14, 36], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 36 } } }], range: [0, 36], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 36 } }, errors: [{ index: 26, lineNumber: 1, column: 27, message: 'Error: Line 1: Parameter name eval or arguments is not allowed in strict mode' }] }, 'function hello() { "octal directive\\1"; "use strict"; }': { type: 'Program', body: [{ type: 'FunctionDeclaration', id: { type: 'Identifier', name: 'hello', range: [9, 14], loc: { start: { line: 1, column: 9 }, end: { line: 1, column: 14 } } }, params: [], defaults: [], body: { type: 'BlockStatement', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'octal directive\u0001', raw: '"octal directive\\1"', range: [19, 38], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 38 } } }, range: [19, 39], loc: { start: { line: 1, column: 19 }, end: { line: 1, column: 39 } } }, { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [40, 52], loc: { start: { line: 1, column: 40 }, end: { line: 1, column: 52 } } }, range: [40, 53], loc: { start: { line: 1, column: 40 }, end: { line: 1, column: 53 } } }], range: [17, 55], loc: { start: { line: 1, column: 17 }, end: { line: 1, column: 55 } } }, rest: null, generator: false, expression: false, range: [0, 55], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 55 } } }], range: [0, 55], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 55 } }, errors: [{ index: 19, lineNumber: 1, column: 20, message: 'Error: Line 1: Octal literals are not allowed in strict mode.' }] }, '"\\1"; \'use strict\';': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: '\u0001', raw: '"\\1"', range: [0, 4], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 4 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, { type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '\'use strict\'', range: [6, 18], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 18 } } }, range: [6, 19], loc: { start: { line: 1, column: 6 }, end: { line: 1, column: 19 } } }], range: [0, 19], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 19 } }, errors: [{ index: 0, lineNumber: 1, column: 1, message: 'Error: Line 1: Octal literals are not allowed in strict mode.' }] }, '"use strict"; var x = { 014: 3}': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [18, 19], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 19 } } }, init: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Literal', value: 12, raw: '014', range: [24, 27], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 27 } } }, value: { type: 'Literal', value: 3, raw: '3', range: [29, 30], loc: { start: { line: 1, column: 29 }, end: { line: 1, column: 30 } } }, kind: 'init', range: [24, 30], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 30 } } }], range: [22, 31], loc: { start: { line: 1, column: 22 }, end: { line: 1, column: 31 } } }, range: [18, 31], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 31 } } }], kind: 'var', range: [14, 31], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 31 } } }], range: [0, 31], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 31 } }, errors: [{ index: 24, lineNumber: 1, column: 25, message: 'Error: Line 1: Octal literals are not allowed in strict mode.' }] }, '"use strict"; var x = { get i() {}, get i() {} }': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [18, 19], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 19 } } }, init: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Identifier', name: 'i', range: [28, 29], loc: { start: { line: 1, column: 28 }, end: { line: 1, column: 29 } } }, value: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [], range: [32, 34], loc: { start: { line: 1, column: 32 }, end: { line: 1, column: 34 } } }, rest: null, generator: false, expression: false, range: [32, 34], loc: { start: { line: 1, column: 32 }, end: { line: 1, column: 34 } } }, kind: 'get', range: [24, 34], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 34 } } }, { type: 'Property', key: { type: 'Identifier', name: 'i', range: [40, 41], loc: { start: { line: 1, column: 40 }, end: { line: 1, column: 41 } } }, value: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [], range: [44, 46], loc: { start: { line: 1, column: 44 }, end: { line: 1, column: 46 } } }, rest: null, generator: false, expression: false, range: [44, 46], loc: { start: { line: 1, column: 44 }, end: { line: 1, column: 46 } } }, kind: 'get', range: [36, 46], loc: { start: { line: 1, column: 36 }, end: { line: 1, column: 46 } } }], range: [22, 48], loc: { start: { line: 1, column: 22 }, end: { line: 1, column: 48 } } }, range: [18, 48], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 48 } } }], kind: 'var', range: [14, 48], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 48 } } }], range: [0, 48], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 48 } }, errors: [{ index: 46, lineNumber: 1, column: 47, message: 'Error: Line 1: Object literal may not have multiple get/set accessors with the same name' }] }, '"use strict"; var x = { i: 42, get i() {} }': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [18, 19], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 19 } } }, init: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Identifier', name: 'i', range: [24, 25], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 25 } } }, value: { type: 'Literal', value: 42, raw: '42', range: [27, 29], loc: { start: { line: 1, column: 27 }, end: { line: 1, column: 29 } } }, kind: 'init', range: [24, 29], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 29 } } }, { type: 'Property', key: { type: 'Identifier', name: 'i', range: [35, 36], loc: { start: { line: 1, column: 35 }, end: { line: 1, column: 36 } } }, value: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [], range: [39, 41], loc: { start: { line: 1, column: 39 }, end: { line: 1, column: 41 } } }, rest: null, generator: false, expression: false, range: [39, 41], loc: { start: { line: 1, column: 39 }, end: { line: 1, column: 41 } } }, kind: 'get', range: [31, 41], loc: { start: { line: 1, column: 31 }, end: { line: 1, column: 41 } } }], range: [22, 43], loc: { start: { line: 1, column: 22 }, end: { line: 1, column: 43 } } }, range: [18, 43], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 43 } } }], kind: 'var', range: [14, 43], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 43 } } }], range: [0, 43], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 43 } }, errors: [{ index: 41, lineNumber: 1, column: 42, message: 'Error: Line 1: Object literal may not have data and accessor property with the same name' }] }, '"use strict"; var x = { set i(x) {}, i: 42 }': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'Literal', value: 'use strict', raw: '"use strict"', range: [0, 12], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 12 } } }, range: [0, 13], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 13 } } }, { type: 'VariableDeclaration', declarations: [{ type: 'VariableDeclarator', id: { type: 'Identifier', name: 'x', range: [18, 19], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 19 } } }, init: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Identifier', name: 'i', range: [28, 29], loc: { start: { line: 1, column: 28 }, end: { line: 1, column: 29 } } }, value: { type: 'FunctionExpression', id: null, params: [{ type: 'Identifier', name: 'x', range: [30, 31], loc: { start: { line: 1, column: 30 }, end: { line: 1, column: 31 } } }], defaults: [], body: { type: 'BlockStatement', body: [], range: [33, 35], loc: { start: { line: 1, column: 33 }, end: { line: 1, column: 35 } } }, rest: null, generator: false, expression: false, range: [33, 35], loc: { start: { line: 1, column: 33 }, end: { line: 1, column: 35 } } }, kind: 'set', range: [24, 35], loc: { start: { line: 1, column: 24 }, end: { line: 1, column: 35 } } }, { type: 'Property', key: { type: 'Identifier', name: 'i', range: [37, 38], loc: { start: { line: 1, column: 37 }, end: { line: 1, column: 38 } } }, value: { type: 'Literal', value: 42, raw: '42', range: [40, 42], loc: { start: { line: 1, column: 40 }, end: { line: 1, column: 42 } } }, kind: 'init', range: [37, 42], loc: { start: { line: 1, column: 37 }, end: { line: 1, column: 42 } } }], range: [22, 44], loc: { start: { line: 1, column: 22 }, end: { line: 1, column: 44 } } }, range: [18, 44], loc: { start: { line: 1, column: 18 }, end: { line: 1, column: 44 } } }], kind: 'var', range: [14, 44], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 44 } } }], range: [0, 44], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 44 } }, errors: [{ index: 42, lineNumber: 1, column: 43, message: 'Error: Line 1: Object literal may not have data and accessor property with the same name' }] }, '({ set s() { } })': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'ObjectExpression', properties: [{ type: 'Property', key: { type: 'Identifier', name: 's', range: [7, 8], loc: { start: { line: 1, column: 7 }, end: { line: 1, column: 8 } } }, value: { type: 'FunctionExpression', id: null, params: [], defaults: [], body: { type: 'BlockStatement', body: [], range: [11, 14], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 14 } } }, rest: null, generator: false, expression: false, range: [11, 14], loc: { start: { line: 1, column: 11 }, end: { line: 1, column: 14 } } }, kind: 'set', range: [3, 14], loc: { start: { line: 1, column: 3 }, end: { line: 1, column: 14 } } }], range: [1, 16], loc: { start: { line: 1, column: 1 }, end: { line: 1, column: 16 } } }, range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } } }], range: [0, 17], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 17 } }, errors: [{ index: 9, lineNumber: 1, column: 10, message: 'Error: Line 1: Unexpected token )' }] }, 'foo("bar") = baz': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'CallExpression', callee: { type: 'Identifier', name: 'foo', range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, 'arguments': [{ type: 'Literal', value: 'bar', raw: '"bar"', range: [4, 9], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 9 } } }], range: [0, 10], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 10 } } }, right: { type: 'Identifier', name: 'baz', range: [13, 16], loc: { start: { line: 1, column: 13 }, end: { line: 1, column: 16 } } }, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }], range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } }, errors: [{ index: 10, lineNumber: 1, column: 11, message: 'Error: Line 1: Invalid left-hand side in assignment' }] }, '1 = 2': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'AssignmentExpression', operator: '=', left: { type: 'Literal', value: 1, raw: '1', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, right: { type: 'Literal', value: 2, raw: '2', range: [4, 5], loc: { start: { line: 1, column: 4 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }, range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } } }], range: [0, 5], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 5 } }, errors: [{ index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Invalid left-hand side in assignment' }] }, '3++': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '++', argument: { type: 'Literal', value: 3, raw: '3', range: [0, 1], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 1 } } }, prefix: false, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }], range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } }, errors: [{ index: 1, lineNumber: 1, column: 2, message: 'Error: Line 1: Invalid left-hand side in assignment' }] }, '--4': { type: 'Program', body: [{ type: 'ExpressionStatement', expression: { type: 'UpdateExpression', operator: '--', argument: { type: 'Literal', value: 4, raw: '4', range: [2, 3], loc: { start: { line: 1, column: 2 }, end: { line: 1, column: 3 } } }, prefix: true, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }, range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } } }], range: [0, 3], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } }, errors: [{ index: 3, lineNumber: 1, column: 4, message: 'Error: Line 1: Invalid left-hand side in assignment' }] }, 'for (5 in []) {}': { type: 'Program', body: [{ type: 'ForInStatement', left: { type: 'Literal', value: 5, raw: '5', range: [5, 6], loc: { start: { line: 1, column: 5 }, end: { line: 1, column: 6 } } }, right: { type: 'ArrayExpression', elements: [], range: [10, 12], loc: { start: { line: 1, column: 10 }, end: { line: 1, column: 12 } } }, body: { type: 'BlockStatement', body: [], range: [14, 16], loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 16 } } }, each: false, range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } } }], range: [0, 16], loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 16 } }, errors: [{ index: 6, lineNumber: 1, column: 7, message: 'Error: Line 1: Invalid left-hand side in for-in' }] } } };
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