Skip to content
Permalink
Branch: master
Find file Copy path
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
708 lines (654 sloc) 17.6 KB
/*
* The MIT License (MIT)
*
* Copyright (c) 2014 by Bart Kiers (original author) and Alexandre Vitorelli (contributor -> ported to CSharp)
* Copyright (c) 2017 by Ivan Kochurkin (Positive Technologies):
added ECMAScript 6 support, cleared and transformed to the universal grammar.
* Copyright (c) 2018 by Juan Alvarez (contributor -> ported to Go)
* Copyright (c) 2019 by Student Main (contributor -> ES2020)
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
lexer grammar JavaScriptLexer;
channels { ERROR }
options { superClass=JavaScriptBaseLexer; }
HashBangLine: { this.IsStartOfFile()}? '#!' ~[\r\n\u2028\u2029]*; // only allowed at start
MultiLineComment: '/*' .*? '*/' -> channel(HIDDEN);
SingleLineComment: '//' ~[\r\n\u2028\u2029]* -> channel(HIDDEN);
RegularExpressionLiteral: '/' RegularExpressionFirstChar RegularExpressionChar* {this.IsRegexPossible()}? '/' IdentifierPart*;
OpenBracket: '[';
CloseBracket: ']';
OpenParen: '(';
CloseParen: ')';
OpenBrace: '{' {this.ProcessOpenBrace();};
CloseBrace: '}' {this.ProcessCloseBrace();};
SemiColon: ';';
Comma: ',';
Assign: '=';
QuestionMark: '?';
Colon: ':';
Ellipsis: '...';
Dot: '.';
PlusPlus: '++';
MinusMinus: '--';
Plus: '+';
Minus: '-';
BitNot: '~';
Not: '!';
Multiply: '*';
Divide: '/';
Modulus: '%';
Power: '**';
NullCoalesce: '??';
Hashtag: '#';
RightShiftArithmetic: '>>';
LeftShiftArithmetic: '<<';
RightShiftLogical: '>>>';
LessThan: '<';
MoreThan: '>';
LessThanEquals: '<=';
GreaterThanEquals: '>=';
Equals_: '==';
NotEquals: '!=';
IdentityEquals: '===';
IdentityNotEquals: '!==';
BitAnd: '&';
BitXOr: '^';
BitOr: '|';
And: '&&';
Or: '||';
MultiplyAssign: '*=';
DivideAssign: '/=';
ModulusAssign: '%=';
PlusAssign: '+=';
MinusAssign: '-=';
LeftShiftArithmeticAssign: '<<=';
RightShiftArithmeticAssign: '>>=';
RightShiftLogicalAssign: '>>>=';
BitAndAssign: '&=';
BitXorAssign: '^=';
BitOrAssign: '|=';
PowerAssign: '**=';
ARROW: '=>';
/// Null Literals
NullLiteral: 'null';
/// Boolean Literals
BooleanLiteral: 'true'
| 'false';
/// Numeric Literals
DecimalLiteral: DecimalIntegerLiteral '.' [0-9] [0-9_]* ExponentPart?
| '.' [0-9] [0-9_]* ExponentPart?
| DecimalIntegerLiteral ExponentPart?
;
/// Numeric Literals
HexIntegerLiteral: '0' [xX] [0-9a-fA-F] HexDigit*;
OctalIntegerLiteral: '0' [0-7]+ {!this.IsStrictMode()}?;
OctalIntegerLiteral2: '0' [oO] [0-7] [_0-7]*;
BinaryIntegerLiteral: '0' [bB] [01] [_01]*;
BigHexIntegerLiteral: '0' [xX] [0-9a-fA-F] HexDigit* 'n';
BigOctalIntegerLiteral: '0' [oO] [0-7] [_0-7]* 'n';
BigBinaryIntegerLiteral: '0' [bB] [01] [_01]* 'n';
BigDecimalIntegerLiteral: DecimalIntegerLiteral 'n';
/// Keywords
Break: 'break';
Do: 'do';
Instanceof: 'instanceof';
Typeof: 'typeof';
Case: 'case';
Else: 'else';
New: 'new';
Var: 'var';
Catch: 'catch';
Finally: 'finally';
Return: 'return';
Void: 'void';
Continue: 'continue';
For: 'for';
Switch: 'switch';
While: 'while';
Debugger: 'debugger';
Function: 'function';
This: 'this';
With: 'with';
Default: 'default';
If: 'if';
Throw: 'throw';
Delete: 'delete';
In: 'in';
Try: 'try';
As: 'as';
From: 'from';
/// Future Reserved Words
Class: 'class';
Enum: 'enum';
Extends: 'extends';
Super: 'super';
Const: 'const';
Export: 'export';
Import: 'import';
Async: 'async';
Await: 'await';
/// The following tokens are also considered to be FutureReservedWords
/// when parsing strict mode
Implements: 'implements' {this.IsStrictMode()}?;
Let: 'let' {this.IsStrictMode()}?;
Private: 'private' {this.IsStrictMode()}?;
Public: 'public' {this.IsStrictMode()}?;
Interface: 'interface' {this.IsStrictMode()}?;
Package: 'package' {this.IsStrictMode()}?;
Protected: 'protected' {this.IsStrictMode()}?;
Static: 'static' {this.IsStrictMode()}?;
Yield: 'yield' {this.IsStrictMode()}?;
/// Identifier Names and Identifiers
Identifier: IdentifierStart IdentifierPart*;
/// String Literals
StringLiteral: ('"' DoubleStringCharacter* '"'
| '\'' SingleStringCharacter* '\'') {this.ProcessStringLiteral();}
;
// TODO: `${`tmp`}`
TemplateStringLiteral: '`' ('\\`' | ~'`')* '`';
WhiteSpaces: [\t\u000B\u000C\u0020\u00A0]+ -> channel(HIDDEN);
LineTerminator: [\r\n\u2028\u2029] -> channel(HIDDEN);
/// Comments
HtmlComment: '<!--' .*? '-->' -> channel(HIDDEN);
CDataComment: '<![CDATA[' .*? ']]>' -> channel(HIDDEN);
UnexpectedCharacter: . -> channel(ERROR);
// Fragment rules
fragment DoubleStringCharacter
: ~["\\\r\n]
| '\\' EscapeSequence
| LineContinuation
;
fragment SingleStringCharacter
: ~['\\\r\n]
| '\\' EscapeSequence
| LineContinuation
;
fragment EscapeSequence
: CharacterEscapeSequence
| '0' // no digit ahead! TODO
| HexEscapeSequence
| UnicodeEscapeSequence
| ExtendedUnicodeEscapeSequence
;
fragment CharacterEscapeSequence
: SingleEscapeCharacter
| NonEscapeCharacter
;
fragment HexEscapeSequence
: 'x' HexDigit HexDigit
;
fragment UnicodeEscapeSequence
: 'u' HexDigit HexDigit HexDigit HexDigit
| 'u' '{' HexDigit HexDigit+ '}'
;
fragment ExtendedUnicodeEscapeSequence
: 'u' '{' HexDigit+ '}'
;
fragment SingleEscapeCharacter
: ['"\\bfnrtv]
;
fragment NonEscapeCharacter
: ~['"\\bfnrtv0-9xu\r\n]
;
fragment EscapeCharacter
: SingleEscapeCharacter
| [0-9]
| [xu]
;
fragment LineContinuation
: '\\' [\r\n\u2028\u2029]
;
fragment HexDigit
: [_0-9a-fA-F]
;
fragment DecimalIntegerLiteral
: '0'
| [1-9] [0-9_]*
;
fragment ExponentPart
: [eE] [+-]? [0-9_]+
;
fragment IdentifierPart
: IdentifierStart
| UnicodeCombiningMark
| UnicodeDigit
| UnicodeConnectorPunctuation
| '\u200C'
| '\u200D'
;
fragment IdentifierStart
: UnicodeLetter
| [$_]
| '\\' UnicodeEscapeSequence
;
fragment UnicodeLetter
: [\u0041-\u005A]
| [\u0061-\u007A]
| [\u00AA]
| [\u00B5]
| [\u00BA]
| [\u00C0-\u00D6]
| [\u00D8-\u00F6]
| [\u00F8-\u021F]
| [\u0222-\u0233]
| [\u0250-\u02AD]
| [\u02B0-\u02B8]
| [\u02BB-\u02C1]
| [\u02D0-\u02D1]
| [\u02E0-\u02E4]
| [\u02EE]
| [\u037A]
| [\u0386]
| [\u0388-\u038A]
| [\u038C]
| [\u038E-\u03A1]
| [\u03A3-\u03CE]
| [\u03D0-\u03D7]
| [\u03DA-\u03F3]
| [\u0400-\u0481]
| [\u048C-\u04C4]
| [\u04C7-\u04C8]
| [\u04CB-\u04CC]
| [\u04D0-\u04F5]
| [\u04F8-\u04F9]
| [\u0531-\u0556]
| [\u0559]
| [\u0561-\u0587]
| [\u05D0-\u05EA]
| [\u05F0-\u05F2]
| [\u0621-\u063A]
| [\u0640-\u064A]
| [\u0671-\u06D3]
| [\u06D5]
| [\u06E5-\u06E6]
| [\u06FA-\u06FC]
| [\u0710]
| [\u0712-\u072C]
| [\u0780-\u07A5]
| [\u0905-\u0939]
| [\u093D]
| [\u0950]
| [\u0958-\u0961]
| [\u0985-\u098C]
| [\u098F-\u0990]
| [\u0993-\u09A8]
| [\u09AA-\u09B0]
| [\u09B2]
| [\u09B6-\u09B9]
| [\u09DC-\u09DD]
| [\u09DF-\u09E1]
| [\u09F0-\u09F1]
| [\u0A05-\u0A0A]
| [\u0A0F-\u0A10]
| [\u0A13-\u0A28]
| [\u0A2A-\u0A30]
| [\u0A32-\u0A33]
| [\u0A35-\u0A36]
| [\u0A38-\u0A39]
| [\u0A59-\u0A5C]
| [\u0A5E]
| [\u0A72-\u0A74]
| [\u0A85-\u0A8B]
| [\u0A8D]
| [\u0A8F-\u0A91]
| [\u0A93-\u0AA8]
| [\u0AAA-\u0AB0]
| [\u0AB2-\u0AB3]
| [\u0AB5-\u0AB9]
| [\u0ABD]
| [\u0AD0]
| [\u0AE0]
| [\u0B05-\u0B0C]
| [\u0B0F-\u0B10]
| [\u0B13-\u0B28]
| [\u0B2A-\u0B30]
| [\u0B32-\u0B33]
| [\u0B36-\u0B39]
| [\u0B3D]
| [\u0B5C-\u0B5D]
| [\u0B5F-\u0B61]
| [\u0B85-\u0B8A]
| [\u0B8E-\u0B90]
| [\u0B92-\u0B95]
| [\u0B99-\u0B9A]
| [\u0B9C]
| [\u0B9E-\u0B9F]
| [\u0BA3-\u0BA4]
| [\u0BA8-\u0BAA]
| [\u0BAE-\u0BB5]
| [\u0BB7-\u0BB9]
| [\u0C05-\u0C0C]
| [\u0C0E-\u0C10]
| [\u0C12-\u0C28]
| [\u0C2A-\u0C33]
| [\u0C35-\u0C39]
| [\u0C60-\u0C61]
| [\u0C85-\u0C8C]
| [\u0C8E-\u0C90]
| [\u0C92-\u0CA8]
| [\u0CAA-\u0CB3]
| [\u0CB5-\u0CB9]
| [\u0CDE]
| [\u0CE0-\u0CE1]
| [\u0D05-\u0D0C]
| [\u0D0E-\u0D10]
| [\u0D12-\u0D28]
| [\u0D2A-\u0D39]
| [\u0D60-\u0D61]
| [\u0D85-\u0D96]
| [\u0D9A-\u0DB1]
| [\u0DB3-\u0DBB]
| [\u0DBD]
| [\u0DC0-\u0DC6]
| [\u0E01-\u0E30]
| [\u0E32-\u0E33]
| [\u0E40-\u0E46]
| [\u0E81-\u0E82]
| [\u0E84]
| [\u0E87-\u0E88]
| [\u0E8A]
| [\u0E8D]
| [\u0E94-\u0E97]
| [\u0E99-\u0E9F]
| [\u0EA1-\u0EA3]
| [\u0EA5]
| [\u0EA7]
| [\u0EAA-\u0EAB]
| [\u0EAD-\u0EB0]
| [\u0EB2-\u0EB3]
| [\u0EBD-\u0EC4]
| [\u0EC6]
| [\u0EDC-\u0EDD]
| [\u0F00]
| [\u0F40-\u0F6A]
| [\u0F88-\u0F8B]
| [\u1000-\u1021]
| [\u1023-\u1027]
| [\u1029-\u102A]
| [\u1050-\u1055]
| [\u10A0-\u10C5]
| [\u10D0-\u10F6]
| [\u1100-\u1159]
| [\u115F-\u11A2]
| [\u11A8-\u11F9]
| [\u1200-\u1206]
| [\u1208-\u1246]
| [\u1248]
| [\u124A-\u124D]
| [\u1250-\u1256]
| [\u1258]
| [\u125A-\u125D]
| [\u1260-\u1286]
| [\u1288]
| [\u128A-\u128D]
| [\u1290-\u12AE]
| [\u12B0]
| [\u12B2-\u12B5]
| [\u12B8-\u12BE]
| [\u12C0]
| [\u12C2-\u12C5]
| [\u12C8-\u12CE]
| [\u12D0-\u12D6]
| [\u12D8-\u12EE]
| [\u12F0-\u130E]
| [\u1310]
| [\u1312-\u1315]
| [\u1318-\u131E]
| [\u1320-\u1346]
| [\u1348-\u135A]
| [\u13A0-\u13B0]
| [\u13B1-\u13F4]
| [\u1401-\u1676]
| [\u1681-\u169A]
| [\u16A0-\u16EA]
| [\u1780-\u17B3]
| [\u1820-\u1877]
| [\u1880-\u18A8]
| [\u1E00-\u1E9B]
| [\u1EA0-\u1EE0]
| [\u1EE1-\u1EF9]
| [\u1F00-\u1F15]
| [\u1F18-\u1F1D]
| [\u1F20-\u1F39]
| [\u1F3A-\u1F45]
| [\u1F48-\u1F4D]
| [\u1F50-\u1F57]
| [\u1F59]
| [\u1F5B]
| [\u1F5D]
| [\u1F5F-\u1F7D]
| [\u1F80-\u1FB4]
| [\u1FB6-\u1FBC]
| [\u1FBE]
| [\u1FC2-\u1FC4]
| [\u1FC6-\u1FCC]
| [\u1FD0-\u1FD3]
| [\u1FD6-\u1FDB]
| [\u1FE0-\u1FEC]
| [\u1FF2-\u1FF4]
| [\u1FF6-\u1FFC]
| [\u207F]
| [\u2102]
| [\u2107]
| [\u210A-\u2113]
| [\u2115]
| [\u2119-\u211D]
| [\u2124]
| [\u2126]
| [\u2128]
| [\u212A-\u212D]
| [\u212F-\u2131]
| [\u2133-\u2139]
| [\u2160-\u2183]
| [\u3005-\u3007]
| [\u3021-\u3029]
| [\u3031-\u3035]
| [\u3038-\u303A]
| [\u3041-\u3094]
| [\u309D-\u309E]
| [\u30A1-\u30FA]
| [\u30FC-\u30FE]
| [\u3105-\u312C]
| [\u3131-\u318E]
| [\u31A0-\u31B7]
| [\u3400-\u4DBF]
| [\u4E00-\u9FFF]
| [\uA000-\uA48C]
| [\uAC00]
| [\uD7A3]
| [\uF900-\uFA2D]
| [\uFB00-\uFB06]
| [\uFB13-\uFB17]
| [\uFB1D]
| [\uFB1F-\uFB28]
| [\uFB2A-\uFB36]
| [\uFB38-\uFB3C]
| [\uFB3E]
| [\uFB40-\uFB41]
| [\uFB43-\uFB44]
| [\uFB46-\uFBB1]
| [\uFBD3-\uFD3D]
| [\uFD50-\uFD8F]
| [\uFD92-\uFDC7]
| [\uFDF0-\uFDFB]
| [\uFE70-\uFE72]
| [\uFE74]
| [\uFE76-\uFEFC]
| [\uFF21-\uFF3A]
| [\uFF41-\uFF5A]
| [\uFF66-\uFFBE]
| [\uFFC2-\uFFC7]
| [\uFFCA-\uFFCF]
| [\uFFD2-\uFFD7]
| [\uFFDA-\uFFDC]
;
fragment UnicodeCombiningMark
: [\u0300-\u034E]
| [\u0360-\u0362]
| [\u0483-\u0486]
| [\u0591-\u05A1]
| [\u05A3-\u05B9]
| [\u05BB-\u05BD]
| [\u05BF]
| [\u05C1-\u05C2]
| [\u05C4]
| [\u064B-\u0655]
| [\u0670]
| [\u06D6-\u06DC]
| [\u06DF-\u06E4]
| [\u06E7-\u06E8]
| [\u06EA-\u06ED]
| [\u0711]
| [\u0730-\u074A]
| [\u07A6-\u07B0]
| [\u0901-\u0903]
| [\u093C]
| [\u093E-\u094D]
| [\u0951-\u0954]
| [\u0962-\u0963]
| [\u0981-\u0983]
| [\u09BC-\u09C4]
| [\u09C7-\u09C8]
| [\u09CB-\u09CD]
| [\u09D7]
| [\u09E2-\u09E3]
| [\u0A02]
| [\u0A3C]
| [\u0A3E-\u0A42]
| [\u0A47-\u0A48]
| [\u0A4B-\u0A4D]
| [\u0A70-\u0A71]
| [\u0A81-\u0A83]
| [\u0ABC]
| [\u0ABE-\u0AC5]
| [\u0AC7-\u0AC9]
| [\u0ACB-\u0ACD]
| [\u0B01-\u0B03]
| [\u0B3C]
| [\u0B3E-\u0B43]
| [\u0B47-\u0B48]
| [\u0B4B-\u0B4D]
| [\u0B56-\u0B57]
| [\u0B82-\u0B83]
| [\u0BBE-\u0BC2]
| [\u0BC6-\u0BC8]
| [\u0BCA-\u0BCD]
| [\u0BD7]
| [\u0C01-\u0C03]
| [\u0C3E-\u0C44]
| [\u0C46-\u0C48]
| [\u0C4A-\u0C4D]
| [\u0C55-\u0C56]
| [\u0C82-\u0C83]
| [\u0CBE-\u0CC4]
| [\u0CC6-\u0CC8]
| [\u0CCA-\u0CCD]
| [\u0CD5-\u0CD6]
| [\u0D02-\u0D03]
| [\u0D3E-\u0D43]
| [\u0D46-\u0D48]
| [\u0D4A-\u0D4D]
| [\u0D57]
| [\u0D82-\u0D83]
| [\u0DCA]
| [\u0DCF-\u0DD4]
| [\u0DD6]
| [\u0DD8-\u0DDF]
| [\u0DF2-\u0DF3]
| [\u0E31]
| [\u0E34-\u0E3A]
| [\u0E47-\u0E4E]
| [\u0EB1]
| [\u0EB4-\u0EB9]
| [\u0EBB-\u0EBC]
| [\u0EC8-\u0ECD]
| [\u0F18-\u0F19]
| [\u0F35]
| [\u0F37]
| [\u0F39]
| [\u0F3E-\u0F3F]
| [\u0F71-\u0F84]
| [\u0F86-\u0F87]
| [\u0F90-\u0F97]
| [\u0F99-\u0FBC]
| [\u0FC6]
| [\u102C-\u1032]
| [\u1036-\u1039]
| [\u1056-\u1059]
| [\u17B4-\u17D3]
| [\u18A9]
| [\u20D0-\u20DC]
| [\u20E1]
| [\u302A-\u302F]
| [\u3099-\u309A]
| [\uFB1E]
| [\uFE20-\uFE23]
;
fragment UnicodeDigit
: [\u0030-\u0039]
| [\u0660-\u0669]
| [\u06F0-\u06F9]
| [\u0966-\u096F]
| [\u09E6-\u09EF]
| [\u0A66-\u0A6F]
| [\u0AE6-\u0AEF]
| [\u0B66-\u0B6F]
| [\u0BE7-\u0BEF]
| [\u0C66-\u0C6F]
| [\u0CE6-\u0CEF]
| [\u0D66-\u0D6F]
| [\u0E50-\u0E59]
| [\u0ED0-\u0ED9]
| [\u0F20-\u0F29]
| [\u1040-\u1049]
| [\u1369-\u1371]
| [\u17E0-\u17E9]
| [\u1810-\u1819]
| [\uFF10-\uFF19]
;
fragment UnicodeConnectorPunctuation
: [\u005F]
| [\u203F-\u2040]
| [\u30FB]
| [\uFE33-\uFE34]
| [\uFE4D-\uFE4F]
| [\uFF3F]
| [\uFF65]
;
fragment RegularExpressionFirstChar
: ~[*\r\n\u2028\u2029\\/[]
| RegularExpressionBackslashSequence
| '[' RegularExpressionClassChar* ']'
;
fragment RegularExpressionChar
: ~[\r\n\u2028\u2029\\/[]
| RegularExpressionBackslashSequence
| '[' RegularExpressionClassChar* ']'
;
fragment RegularExpressionClassChar
: ~[\r\n\u2028\u2029\]\\]
| RegularExpressionBackslashSequence
;
fragment RegularExpressionBackslashSequence
: '\\' ~[\r\n\u2028\u2029]
;
You can’t perform that action at this time.