File: //snap/google-cloud-cli/current/platform/gsutil/third_party/pyparsing/examples/javascript_grammar.g
/*
Copyright 2008 Chris Lambrou.
All rights reserved.
*/
grammar JavaScript;
options
{
output=AST;
backtrack=true;
memoize=true;
}
program
: LT!* sourceElements LT!* EOF!
;
sourceElements
: sourceElement (LT!* sourceElement)*
;
sourceElement
: functionDeclaration
| statement
;
// functions
functionDeclaration
: 'function' LT!* Identifier LT!* formalParameterList LT!* functionBody
;
functionExpression
: 'function' LT!* Identifier? LT!* formalParameterList LT!* functionBody
;
formalParameterList
: '(' (LT!* Identifier (LT!* ',' LT!* Identifier)*)? LT!* ')'
;
functionBody
: '{' LT!* sourceElements LT!* '}'
;
// statements
statement
: statementBlock
| variableStatement
| emptyStatement
| expressionStatement
| ifStatement
| iterationStatement
| continueStatement
| breakStatement
| returnStatement
| withStatement
| labelledStatement
| switchStatement
| throwStatement
| tryStatement
;
statementBlock
: '{' LT!* statementList? LT!* '}'
;
statementList
: statement (LT!* statement)*
;
variableStatement
: 'var' LT!* variableDeclarationList (LT | ';')!
;
variableDeclarationList
: variableDeclaration (LT!* ',' LT!* variableDeclaration)*
;
variableDeclarationListNoIn
: variableDeclarationNoIn (LT!* ',' LT!* variableDeclarationNoIn)*
;
variableDeclaration
: Identifier LT!* initialiser?
;
variableDeclarationNoIn
: Identifier LT!* initialiserNoIn?
;
initialiser
: '=' LT!* assignmentExpression
;
initialiserNoIn
: '=' LT!* assignmentExpressionNoIn
;
emptyStatement
: ';'
;
expressionStatement
: expression (LT | ';')!
;
ifStatement
: 'if' LT!* '(' LT!* expression LT!* ')' LT!* statement (LT!* 'else' LT!* statement)?
;
iterationStatement
: doWhileStatement
| whileStatement
| forStatement
| forInStatement
;
doWhileStatement
: 'do' LT!* statement LT!* 'while' LT!* '(' expression ')' (LT | ';')!
;
whileStatement
: 'while' LT!* '(' LT!* expression LT!* ')' LT!* statement
;
forStatement
: 'for' LT!* '(' (LT!* forStatementInitialiserPart)? LT!* ';' (LT!* expression)? LT!* ';' (LT!* expression)? LT!* ')' LT!* statement
;
forStatementInitialiserPart
: expressionNoIn
| 'var' LT!* variableDeclarationListNoIn
;
forInStatement
: 'for' LT!* '(' LT!* forInStatementInitialiserPart LT!* 'in' LT!* expression LT!* ')' LT!* statement
;
forInStatementInitialiserPart
: leftHandSideExpression
| 'var' LT!* variableDeclarationNoIn
;
continueStatement
: 'continue' Identifier? (LT | ';')!
;
breakStatement
: 'break' Identifier? (LT | ';')!
;
returnStatement
: 'return' expression? (LT | ';')!
;
withStatement
: 'with' LT!* '(' LT!* expression LT!* ')' LT!* statement
;
labelledStatement
: Identifier LT!* ':' LT!* statement
;
switchStatement
: 'switch' LT!* '(' LT!* expression LT!* ')' LT!* caseBlock
;
caseBlock
: '{' (LT!* caseClause)* (LT!* defaultClause (LT!* caseClause)*)? LT!* '}'
;
caseClause
: 'case' LT!* expression LT!* ':' LT!* statementList?
;
defaultClause
: 'default' LT!* ':' LT!* statementList?
;
throwStatement
: 'throw' expression (LT | ';')!
;
tryStatement
: 'try' LT!* statementBlock LT!* (finallyClause | catchClause (LT!* finallyClause)?)
;
catchClause
: 'catch' LT!* '(' LT!* Identifier LT!* ')' LT!* statementBlock
;
finallyClause
: 'finally' LT!* statementBlock
;
// expressions
expression
: assignmentExpression (LT!* ',' LT!* assignmentExpression)*
;
expressionNoIn
: assignmentExpressionNoIn (LT!* ',' LT!* assignmentExpressionNoIn)*
;
assignmentExpression
: conditionalExpression
| leftHandSideExpression LT!* assignmentOperator LT!* assignmentExpression
;
assignmentExpressionNoIn
: conditionalExpressionNoIn
| leftHandSideExpression LT!* assignmentOperator LT!* assignmentExpressionNoIn
;
leftHandSideExpression
: callExpression
| newExpression
;
newExpression
: memberExpression
| 'new' LT!* newExpression
;
memberExpression
: (primaryExpression | functionExpression | 'new' LT!* memberExpression LT!* arguments) (LT!* memberExpressionSuffix)*
;
memberExpressionSuffix
: indexSuffix
| propertyReferenceSuffix
;
callExpression
: memberExpression LT!* arguments (LT!* callExpressionSuffix)*
;
callExpressionSuffix
: arguments
| indexSuffix
| propertyReferenceSuffix
;
arguments
: '(' (LT!* assignmentExpression (LT!* ',' LT!* assignmentExpression)*)? LT!* ')'
;
indexSuffix
: '[' LT!* expression LT!* ']'
;
propertyReferenceSuffix
: '.' LT!* Identifier
;
assignmentOperator
: '=' | '*=' | '/=' | '%=' | '+=' | '-=' | '<<=' | '>>=' | '>>>=' | '&=' | '^=' | '|='
;
conditionalExpression
: logicalORExpression (LT!* '?' LT!* assignmentExpression LT!* ':' LT!* assignmentExpression)?
;
conditionalExpressionNoIn
: logicalORExpressionNoIn (LT!* '?' LT!* assignmentExpressionNoIn LT!* ':' LT!* assignmentExpressionNoIn)?
;
logicalORExpression
: logicalANDExpression (LT!* '||' LT!* logicalANDExpression)*
;
logicalORExpressionNoIn
: logicalANDExpressionNoIn (LT!* '||' LT!* logicalANDExpressionNoIn)*
;
logicalANDExpression
: bitwiseORExpression (LT!* '&&' LT!* bitwiseORExpression)*
;
logicalANDExpressionNoIn
: bitwiseORExpressionNoIn (LT!* '&&' LT!* bitwiseORExpressionNoIn)*
;
bitwiseORExpression
: bitwiseXORExpression (LT!* '|' LT!* bitwiseXORExpression)*
;
bitwiseORExpressionNoIn
: bitwiseXORExpressionNoIn (LT!* '|' LT!* bitwiseXORExpressionNoIn)*
;
bitwiseXORExpression
: bitwiseANDExpression (LT!* '^' LT!* bitwiseANDExpression)*
;
bitwiseXORExpressionNoIn
: bitwiseANDExpressionNoIn (LT!* '^' LT!* bitwiseANDExpressionNoIn)*
;
bitwiseANDExpression
: equalityExpression (LT!* '&' LT!* equalityExpression)*
;
bitwiseANDExpressionNoIn
: equalityExpressionNoIn (LT!* '&' LT!* equalityExpressionNoIn)*
;
equalityExpression
: relationalExpression (LT!* ('==' | '!=' | '===' | '!==') LT!* relationalExpression)*
;
equalityExpressionNoIn
: relationalExpressionNoIn (LT!* ('==' | '!=' | '===' | '!==') LT!* relationalExpressionNoIn)*
;
relationalExpression
: shiftExpression (LT!* ('<' | '>' | '<=' | '>=' | 'instanceof' | 'in') LT!* shiftExpression)*
;
relationalExpressionNoIn
: shiftExpression (LT!* ('<' | '>' | '<=' | '>=' | 'instanceof') LT!* shiftExpression)*
;
shiftExpression
: additiveExpression (LT!* ('<<' | '>>' | '>>>') LT!* additiveExpression)*
;
additiveExpression
: multiplicativeExpression (LT!* ('+' | '-') LT!* multiplicativeExpression)*
;
multiplicativeExpression
: unaryExpression (LT!* ('*' | '/' | '%') LT!* unaryExpression)*
;
unaryExpression
: postfixExpression
| ('delete' | 'void' | 'typeof' | '++' | '--' | '+' | '-' | '~' | '!') unaryExpression
;
postfixExpression
: leftHandSideExpression ('++' | '--')?
;
primaryExpression
: 'this'
| Identifier
| literal
| arrayLiteral
| objectLiteral
| '(' LT!* expression LT!* ')'
;
// arrayLiteral definition.
arrayLiteral
: '[' LT!* assignmentExpression? (LT!* ',' (LT!* assignmentExpression)?)* LT!* ']'
;
// objectLiteral definition.
objectLiteral
: '{' LT!* propertyNameAndValue (LT!* ',' LT!* propertyNameAndValue)* LT!* '}'
;
propertyNameAndValue
: propertyName LT!* ':' LT!* assignmentExpression
;
propertyName
: Identifier
| StringLiteral
| NumericLiteral
;
// primitive literal definition.
literal
: 'null'
| 'true'
| 'false'
| StringLiteral
| NumericLiteral
;
// lexer rules.
StringLiteral
: '"' DoubleStringCharacter* '"'
| '\'' SingleStringCharacter* '\''
;
fragment DoubleStringCharacter
: ~('"' | '\\' | LT)
| '\\' EscapeSequence
;
fragment SingleStringCharacter
: ~('\'' | '\\' | LT)
| '\\' EscapeSequence
;
fragment EscapeSequence
: CharacterEscapeSequence
| '0'
| HexEscapeSequence
| UnicodeEscapeSequence
;
fragment CharacterEscapeSequence
: SingleEscapeCharacter
| NonEscapeCharacter
;
fragment NonEscapeCharacter
: ~(EscapeCharacter | LT)
;
fragment SingleEscapeCharacter
: '\'' | '"' | '\\' | 'b' | 'f' | 'n' | 'r' | 't' | 'v'
;
fragment EscapeCharacter
: SingleEscapeCharacter
| DecimalDigit
| 'x'
| 'u'
;
fragment HexEscapeSequence
: 'x' HexDigit HexDigit
;
fragment UnicodeEscapeSequence
: 'u' HexDigit HexDigit HexDigit HexDigit
;
NumericLiteral
: DecimalLiteral
| HexIntegerLiteral
;
fragment HexIntegerLiteral
: '0' ('x' | 'X') HexDigit+
;
fragment HexDigit
: DecimalDigit | ('a'..'f') | ('A'..'F')
;
fragment DecimalLiteral
: DecimalDigit+ '.' DecimalDigit* ExponentPart?
| '.'? DecimalDigit+ ExponentPart?
;
fragment DecimalDigit
: ('0'..'9')
;
fragment ExponentPart
: ('e' | 'E') ('+' | '-') ? DecimalDigit+
;
Identifier
: IdentifierStart IdentifierPart*
;
fragment IdentifierStart
: UnicodeLetter
| '$'
| '_'
| '\\' UnicodeEscapeSequence
;
fragment IdentifierPart
: (IdentifierStart) => IdentifierStart // Avoids ambiguity, as some IdentifierStart chars also match following alternatives.
| UnicodeDigit
| UnicodeConnectorPunctuation
;
fragment UnicodeLetter // Any character in the Unicode categories "Uppercase letter (Lu)",
: '\u0041'..'\u005A' // "Lowercase letter (Ll)", "Titlecase letter (Lt)",
| '\u0061'..'\u007A' // "Modifier letter (Lm)", "Other letter (Lo)", or "Letter number (Nl)".
| '\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'
| '\u4DB5'
| '\u4E00'
| '\u9FA5'
| '\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 // Any character in the Unicode categories "Non-spacing mark (Mn)"
: '\u0300'..'\u034E' // or "Combining spacing mark (Mc)".
| '\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 // Any character in the Unicode category "Decimal number (Nd)".
: '\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 // Any character in the Unicode category "Connector punctuation (Pc)".
: '\u005F'
| '\u203F'..'\u2040'
| '\u30FB'
| '\uFE33'..'\uFE34'
| '\uFE4D'..'\uFE4F'
| '\uFF3F'
| '\uFF65'
;
Comment
: '/*' (options {greedy=false;} : .)* '*/' {$channel=HIDDEN;}
;
LineComment
: '//' ~(LT)* {$channel=HIDDEN;}
;
LT
: '\n' // Line feed.
| '\r' // Carriage return.
| '\u2028' // Line separator.
| '\u2029' // Paragraph separator.
;
WhiteSpace // Tab, vertical tab, form feed, space, non-breaking space and any other unicode "space separator".
: ('\t' | '\v' | '\f' | ' ' | '\u00A0') {$channel=HIDDEN;}
;