diff options
| author | Kumar Priyansh <[email protected]> | 2019-01-19 12:37:14 +0530 |
|---|---|---|
| committer | Kumar Priyansh <[email protected]> | 2019-01-19 12:37:14 +0530 |
| commit | dcdfc94cb39dfe2c39925a0145ffa45e2d061c30 (patch) | |
| tree | 4f6379d955555b298c0e7b83a67e264240ee5614 /cordova/node_modules/pegjs/examples | |
| parent | 76f7b3678d3f1ff99c3935a774d420453b0c3cb9 (diff) | |
| download | WeatherApp-dcdfc94cb39dfe2c39925a0145ffa45e2d061c30.tar.xz WeatherApp-dcdfc94cb39dfe2c39925a0145ffa45e2d061c30.zip | |
Initial Upload via GIT
Diffstat (limited to 'cordova/node_modules/pegjs/examples')
| -rw-r--r-- | cordova/node_modules/pegjs/examples/arithmetics.pegjs | 40 | ||||
| -rw-r--r-- | cordova/node_modules/pegjs/examples/css.pegjs | 431 | ||||
| -rw-r--r-- | cordova/node_modules/pegjs/examples/javascript.pegjs | 1362 | ||||
| -rw-r--r-- | cordova/node_modules/pegjs/examples/json.pegjs | 132 |
4 files changed, 1965 insertions, 0 deletions
diff --git a/cordova/node_modules/pegjs/examples/arithmetics.pegjs b/cordova/node_modules/pegjs/examples/arithmetics.pegjs new file mode 100644 index 0000000..e7bdc44 --- /dev/null +++ b/cordova/node_modules/pegjs/examples/arithmetics.pegjs @@ -0,0 +1,40 @@ +/* + * Simple Arithmetics Grammar + * ========================== + * + * Accepts expressions like "2 * (3 + 4)" and computes their value. + */ + +Expression + = head:Term tail:(_ ("+" / "-") _ Term)* { + var result = head, i; + + for (i = 0; i < tail.length; i++) { + if (tail[i][1] === "+") { result += tail[i][3]; } + if (tail[i][1] === "-") { result -= tail[i][3]; } + } + + return result; + } + +Term + = head:Factor tail:(_ ("*" / "/") _ Factor)* { + var result = head, i; + + for (i = 0; i < tail.length; i++) { + if (tail[i][1] === "*") { result *= tail[i][3]; } + if (tail[i][1] === "/") { result /= tail[i][3]; } + } + + return result; + } + +Factor + = "(" _ expr:Expression _ ")" { return expr; } + / Integer + +Integer "integer" + = [0-9]+ { return parseInt(text(), 10); } + +_ "whitespace" + = [ \t\n\r]* diff --git a/cordova/node_modules/pegjs/examples/css.pegjs b/cordova/node_modules/pegjs/examples/css.pegjs new file mode 100644 index 0000000..60e26d0 --- /dev/null +++ b/cordova/node_modules/pegjs/examples/css.pegjs @@ -0,0 +1,431 @@ +/* + * CSS Grammar + * =========== + * + * Based on grammar from CSS 2.1 specification [1] (including the errata [2]). + * Generated parser builds a syntax tree composed of nested JavaScript objects, + * vaguely inspired by CSS DOM [3]. The CSS DOM itself wasn't used as it is not + * expressive enough (e.g. selectors are reflected as text, not structured + * objects) and somewhat cumbersome. + * + * Limitations: + * + * * Many errors which should be recovered from according to the specification + * (e.g. malformed declarations or unexpected end of stylesheet) are fatal. + * This is a result of straightforward rewrite of the CSS grammar to PEG.js. + * + * [1] http://www.w3.org/TR/2011/REC-CSS2-20110607 + * [2] http://www.w3.org/Style/css2-updates/REC-CSS2-20110607-errata.html + * [3] http://www.w3.org/TR/DOM-Level-2-Style/css.html + */ + +{ + function extractOptional(optional, index) { + return optional ? optional[index] : null; + } + + function extractList(list, index) { + var result = [], i; + + for (i = 0; i < list.length; i++) { + if (list[i][index] !== null) { + result.push(list[i][index]); + } + } + + return result; + } + + function buildList(head, tail, index) { + return (head !== null ? [head] : []).concat(extractList(tail, index)); + } + + function buildExpression(head, tail) { + var result = head, i; + + for (i = 0; i < tail.length; i++) { + result = { + type: "Expression", + operator: tail[i][0], + left: result, + right: tail[i][1] + }; + } + + return result; + } +} + +start + = stylesheet:stylesheet comment* { return stylesheet; } + +/* ----- G.1 Grammar ----- */ + +stylesheet + = charset:(CHARSET_SYM STRING ";")? (S / CDO / CDC)* + imports:(import (CDO S* / CDC S*)*)* + rules:((ruleset / media / page) (CDO S* / CDC S*)*)* + { + return { + type: "StyleSheet", + charset: extractOptional(charset, 1), + imports: extractList(imports, 0), + rules: extractList(rules, 0) + }; + } + +import + = IMPORT_SYM S* href:(STRING / URI) S* media:media_list? ";" S* { + return { + type: "ImportRule", + href: href, + media: media !== null ? media : [] + }; + } + +media + = MEDIA_SYM S* media:media_list "{" S* rules:ruleset* "}" S* { + return { + type: "MediaRule", + media: media, + rules: rules + }; + } + +media_list + = head:medium tail:("," S* medium)* { return buildList(head, tail, 2); } + +medium + = name:IDENT S* { return name; } + +page + = PAGE_SYM S* selector:pseudo_page? + "{" S* + declarationsFirst:declaration? + declarationsRest:(";" S* declaration?)* + "}" S* + { + return { + type: "PageRule", + selector: selector, + declarations: buildList(declarationsFirst, declarationsRest, 2) + }; + } + +pseudo_page + = ":" value:IDENT S* { return { type: "PseudoSelector", value: value }; } + +operator + = "/" S* { return "/"; } + / "," S* { return ","; } + +combinator + = "+" S* { return "+"; } + / ">" S* { return ">"; } + +property + = name:IDENT S* { return name; } + +ruleset + = selectorsFirst:selector + selectorsRest:("," S* selector)* + "{" S* + declarationsFirst:declaration? + declarationsRest:(";" S* declaration?)* + "}" S* + { + return { + type: "RuleSet", + selectors: buildList(selectorsFirst, selectorsRest, 2), + declarations: buildList(declarationsFirst, declarationsRest, 2) + }; + } + +selector + = left:simple_selector S* combinator:combinator right:selector { + return { + type: "Selector", + combinator: combinator, + left: left, + right: right + }; + } + / left:simple_selector S+ right:selector { + return { + type: "Selector", + combinator: " ", + left: left, + right: right + }; + } + / selector:simple_selector S* { return selector; } + +simple_selector + = element:element_name qualifiers:(id / class / attrib / pseudo)* { + return { + type: "SimpleSelector", + element: element, + qualifiers: qualifiers + }; + } + / qualifiers:(id / class / attrib / pseudo)+ { + return { + type: "SimpleSelector", + element: "*", + qualifiers: qualifiers + }; + } + +id + = id:HASH { return { type: "IDSelector", id: id }; } + +class + = "." class_:IDENT { return { type: "ClassSelector", "class": class_ }; } + +element_name + = IDENT + / "*" + +attrib + = "[" S* + attribute:IDENT S* + operatorAndValue:(("=" / INCLUDES / DASHMATCH) S* (IDENT / STRING) S*)? + "]" + { + return { + type: "AttributeSelector", + attribute: attribute, + operator: extractOptional(operatorAndValue, 0), + value: extractOptional(operatorAndValue, 2) + }; + } + +pseudo + = ":" + value:( + name:FUNCTION S* params:(IDENT S*)? ")" { + return { + type: "Function", + name: name, + params: params !== null ? [params[0]] : [] + }; + } + / IDENT + ) + { return { type: "PseudoSelector", value: value }; } + +declaration + = name:property ':' S* value:expr prio:prio? { + return { + type: "Declaration", + name: name, + value: value, + important: prio !== null + }; + } + +prio + = IMPORTANT_SYM S* + +expr + = head:term tail:(operator? term)* { return buildExpression(head, tail); } + +term + = quantity:(PERCENTAGE / LENGTH / EMS / EXS / ANGLE / TIME / FREQ / NUMBER) + S* + { + return { + type: "Quantity", + value: quantity.value, + unit: quantity.unit + }; + } + / value:STRING S* { return { type: "String", value: value }; } + / value:URI S* { return { type: "URI", value: value }; } + / function + / hexcolor + / value:IDENT S* { return { type: "Ident", value: value }; } + +function + = name:FUNCTION S* params:expr ")" S* { + return { type: "Function", name: name, params: params }; + } + +hexcolor + = value:HASH S* { return { type: "Hexcolor", value: value }; } + +/* ----- G.2 Lexical scanner ----- */ + +/* Macros */ + +h + = [0-9a-f]i + +nonascii + = [\x80-\uFFFF] + +unicode + = "\\" digits:$(h h? h? h? h? h?) ("\r\n" / [ \t\r\n\f])? { + return String.fromCharCode(parseInt(digits, 16)); + } + +escape + = unicode + / "\\" ch:[^\r\n\f0-9a-f]i { return ch; } + +nmstart + = [_a-z]i + / nonascii + / escape + +nmchar + = [_a-z0-9-]i + / nonascii + / escape + +string1 + = '"' chars:([^\n\r\f\\"] / "\\" nl:nl { return ""; } / escape)* '"' { + return chars.join(""); + } + +string2 + = "'" chars:([^\n\r\f\\'] / "\\" nl:nl { return ""; } / escape)* "'" { + return chars.join(""); + } + +comment + = "/*" [^*]* "*"+ ([^/*] [^*]* "*"+)* "/" + +ident + = prefix:$"-"? start:nmstart chars:nmchar* { + return prefix + start + chars.join(""); + } + +name + = chars:nmchar+ { return chars.join(""); } + +num + = [+-]? ([0-9]+ / [0-9]* "." [0-9]+) ("e" [+-]? [0-9]+)? { + return parseFloat(text()); + } + +string + = string1 + / string2 + +url + = chars:([!#$%&*-\[\]-~] / nonascii / escape)* { return chars.join(""); } + +s + = [ \t\r\n\f]+ + +w + = s? + +nl + = "\n" + / "\r\n" + / "\r" + / "\f" + +A = "a"i / "\\" "0"? "0"? "0"? "0"? [\x41\x61] ("\r\n" / [ \t\r\n\f])? { return "a"; } +C = "c"i / "\\" "0"? "0"? "0"? "0"? [\x43\x63] ("\r\n" / [ \t\r\n\f])? { return "c"; } +D = "d"i / "\\" "0"? "0"? "0"? "0"? [\x44\x64] ("\r\n" / [ \t\r\n\f])? { return "d"; } +E = "e"i / "\\" "0"? "0"? "0"? "0"? [\x45\x65] ("\r\n" / [ \t\r\n\f])? { return "e"; } +G = "g"i / "\\" "0"? "0"? "0"? "0"? [\x47\x67] ("\r\n" / [ \t\r\n\f])? / "\\g"i { return "g"; } +H = "h"i / "\\" "0"? "0"? "0"? "0"? [\x48\x68] ("\r\n" / [ \t\r\n\f])? / "\\h"i { return "h"; } +I = "i"i / "\\" "0"? "0"? "0"? "0"? [\x49\x69] ("\r\n" / [ \t\r\n\f])? / "\\i"i { return "i"; } +K = "k"i / "\\" "0"? "0"? "0"? "0"? [\x4b\x6b] ("\r\n" / [ \t\r\n\f])? / "\\k"i { return "k"; } +L = "l"i / "\\" "0"? "0"? "0"? "0"? [\x4c\x6c] ("\r\n" / [ \t\r\n\f])? / "\\l"i { return "l"; } +M = "m"i / "\\" "0"? "0"? "0"? "0"? [\x4d\x6d] ("\r\n" / [ \t\r\n\f])? / "\\m"i { return "m"; } +N = "n"i / "\\" "0"? "0"? "0"? "0"? [\x4e\x6e] ("\r\n" / [ \t\r\n\f])? / "\\n"i { return "n"; } +O = "o"i / "\\" "0"? "0"? "0"? "0"? [\x4f\x6f] ("\r\n" / [ \t\r\n\f])? / "\\o"i { return "o"; } +P = "p"i / "\\" "0"? "0"? "0"? "0"? [\x50\x70] ("\r\n" / [ \t\r\n\f])? / "\\p"i { return "p"; } +R = "r"i / "\\" "0"? "0"? "0"? "0"? [\x52\x72] ("\r\n" / [ \t\r\n\f])? / "\\r"i { return "r"; } +S_ = "s"i / "\\" "0"? "0"? "0"? "0"? [\x53\x73] ("\r\n" / [ \t\r\n\f])? / "\\s"i { return "s"; } +T = "t"i / "\\" "0"? "0"? "0"? "0"? [\x54\x74] ("\r\n" / [ \t\r\n\f])? / "\\t"i { return "t"; } +U = "u"i / "\\" "0"? "0"? "0"? "0"? [\x55\x75] ("\r\n" / [ \t\r\n\f])? / "\\u"i { return "u"; } +X = "x"i / "\\" "0"? "0"? "0"? "0"? [\x58\x78] ("\r\n" / [ \t\r\n\f])? / "\\x"i { return "x"; } +Z = "z"i / "\\" "0"? "0"? "0"? "0"? [\x5a\x7a] ("\r\n" / [ \t\r\n\f])? / "\\z"i { return "z"; } + +/* Tokens */ + +S "whitespace" + = comment* s + +CDO "<!--" + = comment* "<!--" + +CDC "-->" + = comment* "-->" + +INCLUDES "~=" + = comment* "~=" + +DASHMATCH "|=" + = comment* "|=" + +STRING "string" + = comment* string:string { return string; } + +IDENT "identifier" + = comment* ident:ident { return ident; } + +HASH "hash" + = comment* "#" name:name { return "#" + name; } + +IMPORT_SYM "@import" + = comment* "@" I M P O R T + +PAGE_SYM "@page" + = comment* "@" P A G E + +MEDIA_SYM "@media" + = comment* "@" M E D I A + +CHARSET_SYM "@charset" + = comment* "@charset " + +/* We use |s| instead of |w| here to avoid infinite recursion. */ +IMPORTANT_SYM "!important" + = comment* "!" (s / comment)* I M P O R T A N T + +EMS "length" + = comment* value:num E M { return { value: value, unit: "em" }; } + +EXS "length" + = comment* value:num E X { return { value: value, unit: "ex" }; } + +LENGTH "length" + = comment* value:num P X { return { value: value, unit: "px" }; } + / comment* value:num C M { return { value: value, unit: "cm" }; } + / comment* value:num M M { return { value: value, unit: "mm" }; } + / comment* value:num I N { return { value: value, unit: "in" }; } + / comment* value:num P T { return { value: value, unit: "pt" }; } + / comment* value:num P C { return { value: value, unit: "pc" }; } + +ANGLE "angle" + = comment* value:num D E G { return { value: value, unit: "deg" }; } + / comment* value:num R A D { return { value: value, unit: "rad" }; } + / comment* value:num G R A D { return { value: value, unit: "grad" }; } + +TIME "time" + = comment* value:num M S_ { return { value: value, unit: "ms" }; } + / comment* value:num S_ { return { value: value, unit: "s" }; } + +FREQ "frequency" + = comment* value:num H Z { return { value: value, unit: "hz" }; } + / comment* value:num K H Z { return { value: value, unit: "kh" }; } + +PERCENTAGE "percentage" + = comment* value:num "%" { return { value: value, unit: "%" }; } + +NUMBER "number" + = comment* value:num { return { value: value, unit: null }; } + +URI "uri" + = comment* U R L "("i w url:string w ")" { return url; } + / comment* U R L "("i w url:url w ")" { return url; } + +FUNCTION "function" + = comment* name:ident "(" { return name; } diff --git a/cordova/node_modules/pegjs/examples/javascript.pegjs b/cordova/node_modules/pegjs/examples/javascript.pegjs new file mode 100644 index 0000000..2e56a0f --- /dev/null +++ b/cordova/node_modules/pegjs/examples/javascript.pegjs @@ -0,0 +1,1362 @@ +/* + * JavaScript Grammar + * ================== + * + * Based on grammar from ECMA-262, 5.1 Edition [1]. Generated parser builds a + * syntax tree compatible with Mozilla SpiderMonkey Parser API [2]. Properties + * and node types reflecting features not present in ECMA-262 are not included. + * + * Limitations: + * + * * Non-BMP characters are completely ignored to avoid surrogate pair + * handling. + * + * * One can create identifiers containing illegal characters using Unicode + * escape sequences. For example, "abcd\u0020efgh" is not a valid + * identifier, but it is accepted by the parser. + * + * * Strict mode is not recognized. This means that within strict mode code, + * "implements", "interface", "let", "package", "private", "protected", + * "public", "static" and "yield" can be used as names. Many other + * restrictions and exceptions from Annex C are also not applied. + * + * All the limitations could be resolved, but the costs would likely outweigh + * the benefits. + * + * Many thanks to inimino [3] for his grammar [4] which helped me to solve some + * problems (such as automatic semicolon insertion) and also served to double + * check that I converted the original grammar correctly. + * + * [1] http://www.ecma-international.org/publications/standards/Ecma-262.htm + * [2] https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API + * [3] http://inimino.org/~inimino/blog/ + * [4] http://boshi.inimino.org/3box/asof/1270029991384/PEG/ECMAScript_unified.peg + */ + +{ + var TYPES_TO_PROPERTY_NAMES = { + CallExpression: "callee", + MemberExpression: "object", + }; + + function filledArray(count, value) { + var result = new Array(count), i; + + for (i = 0; i < count; i++) { + result[i] = value; + } + + return result; + } + + function extractOptional(optional, index) { + return optional ? optional[index] : null; + } + + function extractList(list, index) { + var result = new Array(list.length), i; + + for (i = 0; i < list.length; i++) { + result[i] = list[i][index]; + } + + return result; + } + + function buildList(head, tail, index) { + return [head].concat(extractList(tail, index)); + } + + function buildTree(head, tail, builder) { + var result = head, i; + + for (i = 0; i < tail.length; i++) { + result = builder(result, tail[i]); + } + + return result; + } + + function buildBinaryExpression(head, tail) { + return buildTree(head, tail, function(result, element) { + return { + type: "BinaryExpression", + operator: element[1], + left: result, + right: element[3] + }; + }); + } + + function buildLogicalExpression(head, tail) { + return buildTree(head, tail, function(result, element) { + return { + type: "LogicalExpression", + operator: element[1], + left: result, + right: element[3] + }; + }); + } + + function optionalList(value) { + return value !== null ? value : []; + } +} + +Start + = __ program:Program __ { return program; } + +/* ----- A.1 Lexical Grammar ----- */ + +SourceCharacter + = . + +WhiteSpace "whitespace" + = "\t" + / "\v" + / "\f" + / " " + / "\u00A0" + / "\uFEFF" + / Zs + +LineTerminator + = [\n\r\u2028\u2029] + +LineTerminatorSequence "end of line" + = "\n" + / "\r\n" + / "\r" + / "\u2028" + / "\u2029" + +Comment "comment" + = MultiLineComment + / SingleLineComment + +MultiLineComment + = "/*" (!"*/" SourceCharacter)* "*/" + +MultiLineCommentNoLineTerminator + = "/*" (!("*/" / LineTerminator) SourceCharacter)* "*/" + +SingleLineComment + = "//" (!LineTerminator SourceCharacter)* + +Identifier + = !ReservedWord name:IdentifierName { return name; } + +IdentifierName "identifier" + = head:IdentifierStart tail:IdentifierPart* { + return { + type: "Identifier", + name: head + tail.join("") + }; + } + +IdentifierStart + = UnicodeLetter + / "$" + / "_" + / "\\" sequence:UnicodeEscapeSequence { return sequence; } + +IdentifierPart + = IdentifierStart + / UnicodeCombiningMark + / UnicodeDigit + / UnicodeConnectorPunctuation + / "\u200C" + / "\u200D" + +UnicodeLetter + = Lu + / Ll + / Lt + / Lm + / Lo + / Nl + +UnicodeCombiningMark + = Mn + / Mc + +UnicodeDigit + = Nd + +UnicodeConnectorPunctuation + = Pc + +ReservedWord + = Keyword + / FutureReservedWord + / NullLiteral + / BooleanLiteral + +Keyword + = BreakToken + / CaseToken + / CatchToken + / ContinueToken + / DebuggerToken + / DefaultToken + / DeleteToken + / DoToken + / ElseToken + / FinallyToken + / ForToken + / FunctionToken + / IfToken + / InstanceofToken + / InToken + / NewToken + / ReturnToken + / SwitchToken + / ThisToken + / ThrowToken + / TryToken + / TypeofToken + / VarToken + / VoidToken + / WhileToken + / WithToken + +FutureReservedWord + = ClassToken + / ConstToken + / EnumToken + / ExportToken + / ExtendsToken + / ImportToken + / SuperToken + +Literal + = NullLiteral + / BooleanLiteral + / NumericLiteral + / StringLiteral + / RegularExpressionLiteral + +NullLiteral + = NullToken { return { type: "Literal", value: null }; } + +BooleanLiteral + = TrueToken { return { type: "Literal", value: true }; } + / FalseToken { return { type: "Literal", value: false }; } + +/* + * The "!(IdentifierStart / DecimalDigit)" predicate is not part of the official + * grammar, it comes from text in section 7.8.3. + */ +NumericLiteral "number" + = literal:HexIntegerLiteral !(IdentifierStart / DecimalDigit) { + return literal; + } + / literal:DecimalLiteral !(IdentifierStart / DecimalDigit) { + return literal; + } + +DecimalLiteral + = DecimalIntegerLiteral "." DecimalDigit* ExponentPart? { + return { type: "Literal", value: parseFloat(text()) }; + } + / "." DecimalDigit+ ExponentPart? { + return { type: "Literal", value: parseFloat(text()) }; + } + / DecimalIntegerLiteral ExponentPart? { + return { type: "Literal", value: parseFloat(text()) }; + } + +DecimalIntegerLiteral + = "0" + / NonZeroDigit DecimalDigit* + +DecimalDigit + = [0-9] + +NonZeroDigit + = [1-9] + +ExponentPart + = ExponentIndicator SignedInteger + +ExponentIndicator + = "e"i + +SignedInteger + = [+-]? DecimalDigit+ + +HexIntegerLiteral + = "0x"i digits:$HexDigit+ { + return { type: "Literal", value: parseInt(digits, 16) }; + } + +HexDigit + = [0-9a-f]i + +StringLiteral "string" + = '"' chars:DoubleStringCharacter* '"' { + return { type: "Literal", value: chars.join("") }; + } + / "'" chars:SingleStringCharacter* "'" { + return { type: "Literal", value: chars.join("") }; + } + +DoubleStringCharacter + = !('"' / "\\" / LineTerminator) SourceCharacter { return text(); } + / "\\" sequence:EscapeSequence { return sequence; } + / LineContinuation + +SingleStringCharacter + = !("'" / "\\" / LineTerminator) SourceCharacter { return text(); } + / "\\" sequence:EscapeSequence { return sequence; } + / LineContinuation + +LineContinuation + = "\\" LineTerminatorSequence { return ""; } + +EscapeSequence + = CharacterEscapeSequence + / "0" !DecimalDigit { return "\0"; } + / HexEscapeSequence + / UnicodeEscapeSequence + +CharacterEscapeSequence + = SingleEscapeCharacter + / NonEscapeCharacter + +SingleEscapeCharacter + = "'" + / '"' + / "\\" + / "b" { return "\b"; } + / "f" { return "\f"; } + / "n" { return "\n"; } + / "r" { return "\r"; } + / "t" { return "\t"; } + / "v" { return "\x0B"; } // IE does not recognize "\v". + +NonEscapeCharacter + = !(EscapeCharacter / LineTerminator) SourceCharacter { return text(); } + +EscapeCharacter + = SingleEscapeCharacter + / DecimalDigit + / "x" + / "u" + +HexEscapeSequence + = "x" digits:$(HexDigit HexDigit) { + return String.fromCharCode(parseInt(digits, 16)); + } + +UnicodeEscapeSequence + = "u" digits:$(HexDigit HexDigit HexDigit HexDigit) { + return String.fromCharCode(parseInt(digits, 16)); + } + +RegularExpressionLiteral "regular expression" + = "/" pattern:$RegularExpressionBody "/" flags:$RegularExpressionFlags { + var value; + + try { + value = new RegExp(pattern, flags); + } catch (e) { + error(e.message); + } + + return { type: "Literal", value: value }; + } + +RegularExpressionBody + = RegularExpressionFirstChar RegularExpressionChar* + +RegularExpressionFirstChar + = ![*\\/[] RegularExpressionNonTerminator + / RegularExpressionBackslashSequence + / RegularExpressionClass + +RegularExpressionChar + = ![\\/[] RegularExpressionNonTerminator + / RegularExpressionBackslashSequence + / RegularExpressionClass + +RegularExpressionBackslashSequence + = "\\" RegularExpressionNonTerminator + +RegularExpressionNonTerminator + = !LineTerminator SourceCharacter + +RegularExpressionClass + = "[" RegularExpressionClassChar* "]" + +RegularExpressionClassChar + = ![\]\\] RegularExpressionNonTerminator + / RegularExpressionBackslashSequence + +RegularExpressionFlags + = IdentifierPart* + +/* + * Unicode Character Categories + * + * Extracted from the following Unicode Character Database file: + * + * http://www.unicode.org/Public/8.0.0/ucd/extracted/DerivedGeneralCategory.txt + * + * Unix magic used: + * + * grep "; $CATEGORY" DerivedGeneralCategory.txt | # Filter characters + * cut -f1 -d " " | # Extract code points + * grep -v '[0-9a-fA-F]\{5\}' | # Exclude non-BMP characters + * sed -e 's/\.\./-/' | # Adjust formatting + * sed -e 's/\([0-9a-fA-F]\{4\}\)/\\u\1/g' | # Adjust formatting + * tr -d '\n' # Join lines + * + * ECMA-262 allows using Unicode 3.0 or later, version 8.0.0 was the latest one + * at the time of writing. + * + * Non-BMP characters are completely ignored to avoid surrogate pair handling + * (detecting surrogate pairs isn't possible with a simple character class and + * other methods would degrade performance). I don't consider it a big deal as + * even parsers in JavaScript engines of common browsers seem to ignore them. + */ + +// Letter, Lowercase +Ll = [\u0061-\u007A\u00B5\u00DF-\u00F6\u00F8-\u00FF\u0101\u0103\u0105\u0107\u0109\u010B\u010D\u010F\u0111\u0113\u0115\u0117\u0119\u011B\u011D\u011F\u0121\u0123\u0125\u0127\u0129\u012B\u012D\u012F\u0131\u0133\u0135\u0137-\u0138\u013A\u013C\u013E\u0140\u0142\u0144\u0146\u0148-\u0149\u014B\u014D\u014F\u0151\u0153\u0155\u0157\u0159\u015B\u015D\u015F\u0161\u0163\u0165\u0167\u0169\u016B\u016D\u016F\u0171\u0173\u0175\u0177\u017A\u017C\u017E-\u0180\u0183\u0185\u0188\u018C-\u018D\u0192\u0195\u0199-\u019B\u019E\u01A1\u01A3\u01A5\u01A8\u01AA-\u01AB\u01AD\u01B0\u01B4\u01B6\u01B9-\u01BA\u01BD-\u01BF\u01C6\u01C9\u01CC\u01CE\u01D0\u01D2\u01D4\u01D6\u01D8\u01DA\u01DC-\u01DD\u01DF\u01E1\u01E3\u01E5\u01E7\u01E9\u01EB\u01ED\u01EF-\u01F0\u01F3\u01F5\u01F9\u01FB\u01FD\u01FF\u0201\u0203\u0205\u0207\u0209\u020B\u020D\u020F\u0211\u0213\u0215\u0217\u0219\u021B\u021D\u021F\u0221\u0223\u0225\u0227\u0229\u022B\u022D\u022F\u0231\u0233-\u0239\u023C\u023F-\u0240\u0242\u0247\u0249\u024B\u024D\u024F-\u0293\u0295-\u02AF\u0371\u0373\u0377\u037B-\u037D\u0390\u03AC-\u03CE\u03D0-\u03D1\u03D5-\u03D7\u03D9\u03DB\u03DD\u03DF\u03E1\u03E3\u03E5\u03E7\u03E9\u03EB\u03ED\u03EF-\u03F3\u03F5\u03F8\u03FB-\u03FC\u0430-\u045F\u0461\u0463\u0465\u0467\u0469\u046B\u046D\u046F\u0471\u0473\u0475\u0477\u0479\u047B\u047D\u047F\u0481\u048B\u048D\u048F\u0491\u0493\u0495\u0497\u0499\u049B\u049D\u049F\u04A1\u04A3\u04A5\u04A7\u04A9\u04AB\u04AD\u04AF\u04B1\u04B3\u04B5\u04B7\u04B9\u04BB\u04BD\u04BF\u04C2\u04C4\u04C6\u04C8\u04CA\u04CC\u04CE-\u04CF\u04D1\u04D3\u04D5\u04D7\u04D9\u04DB\u04DD\u04DF\u04E1\u04E3\u04E5\u04E7\u04E9\u04EB\u04ED\u04EF\u04F1\u04F3\u04F5\u04F7\u04F9\u04FB\u04FD\u04FF\u0501\u0503\u0505\u0507\u0509\u050B\u050D\u050F\u0511\u0513\u0515\u0517\u0519\u051B\u051D\u051F\u0521\u0523\u0525\u0527\u0529\u052B\u052D\u052F\u0561-\u0587\u13F8-\u13FD\u1D00-\u1D2B\u1D6B-\u1D77\u1D79-\u1D9A\u1E01\u1E03\u1E05\u1E07\u1E09\u1E0B\u1E0D\u1E0F\u1E11\u1E13\u1E15\u1E17\u1E19\u1E1B\u1E1D\u1E1F\u1E21\u1E23\u1E25\u1E27\u1E29\u1E2B\u1E2D\u1E2F\u1E31\u1E33\u1E35\u1E37\u1E39\u1E3B\u1E3D\u1E3F\u1E41\u1E43\u1E45\u1E47\u1E49\u1E4B\u1E4D\u1E4F\u1E51\u1E53\u1E55\u1E57\u1E59\u1E5B\u1E5D\u1E5F\u1E61\u1E63\u1E65\u1E67\u1E69\u1E6B\u1E6D\u1E6F\u1E71\u1E73\u1E75\u1E77\u1E79\u1E7B\u1E7D\u1E7F\u1E81\u1E83\u1E85\u1E87\u1E89\u1E8B\u1E8D\u1E8F\u1E91\u1E93\u1E95-\u1E9D\u1E9F\u1EA1\u1EA3\u1EA5\u1EA7\u1EA9\u1EAB\u1EAD\u1EAF\u1EB1\u1EB3\u1EB5\u1EB7\u1EB9\u1EBB\u1EBD\u1EBF\u1EC1\u1EC3\u1EC5\u1EC7\u1EC9\u1ECB\u1ECD\u1ECF\u1ED1\u1ED3\u1ED5\u1ED7\u1ED9\u1EDB\u1EDD\u1EDF\u1EE1\u1EE3\u1EE5\u1EE7\u1EE9\u1EEB\u1EED\u1EEF\u1EF1\u1EF3\u1EF5\u1EF7\u1EF9\u1EFB\u1EFD\u1EFF-\u1F07\u1F10-\u1F15\u1F20-\u1F27\u1F30-\u1F37\u1F40-\u1F45\u1F50-\u1F57\u1F60-\u1F67\u1F70-\u1F7D\u1F80-\u1F87\u1F90-\u1F97\u1FA0-\u1FA7\u1FB0-\u1FB4\u1FB6-\u1FB7\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FC7\u1FD0-\u1FD3\u1FD6-\u1FD7\u1FE0-\u1FE7\u1FF2-\u1FF4\u1FF6-\u1FF7\u210A\u210E-\u210F\u2113\u212F\u2134\u2139\u213C-\u213D\u2146-\u2149\u214E\u2184\u2C30-\u2C5E\u2C61\u2C65-\u2C66\u2C68\u2C6A\u2C6C\u2C71\u2C73-\u2C74\u2C76-\u2C7B\u2C81\u2C83\u2C85\u2C87\u2C89\u2C8B\u2C8D\u2C8F\u2C91\u2C93\u2C95\u2C97\u2C99\u2C9B\u2C9D\u2C9F\u2CA1\u2CA3\u2CA5\u2CA7\u2CA9\u2CAB\u2CAD\u2CAF\u2CB1\u2CB3\u2CB5\u2CB7\u2CB9\u2CBB\u2CBD\u2CBF\u2CC1\u2CC3\u2CC5\u2CC7\u2CC9\u2CCB\u2CCD\u2CCF\u2CD1\u2CD3\u2CD5\u2CD7\u2CD9\u2CDB\u2CDD\u2CDF\u2CE1\u2CE3-\u2CE4\u2CEC\u2CEE\u2CF3\u2D00-\u2D25\u2D27\u2D2D\uA641\uA643\uA645\uA647\uA649\uA64B\uA64D\uA64F\uA651\uA653\uA655\uA657\uA659\uA65B\uA65D\uA65F\uA661\uA663\uA665\uA667\uA669\uA66B\uA66D\uA681\uA683\uA685\uA687\uA689\uA68B\uA68D\uA68F\uA691\uA693\uA695\uA697\uA699\uA69B\uA723\uA725\uA727\uA729\uA72B\uA72D\uA72F-\uA731\uA733\uA735\uA737\uA739\uA73B\uA73D\uA73F\uA741\uA743\uA745\uA747\uA749\uA74B\uA74D\uA74F\uA751\uA753\uA755\uA757\uA759\uA75B\uA75D\uA75F\uA761\uA763\uA765\uA767\uA769\uA76B\uA76D\uA76F\uA771-\uA778\uA77A\uA77C\uA77F\uA781\uA783\uA785\uA787\uA78C\uA78E\uA791\uA793-\uA795\uA797\uA799\uA79B\uA79D\uA79F\uA7A1\uA7A3\uA7A5\uA7A7\uA7A9\uA7B5\uA7B7\uA7FA\uAB30-\uAB5A\uAB60-\uAB65\uAB70-\uABBF\uFB00-\uFB06\uFB13-\uFB17\uFF41-\uFF5A] + +// Letter, Modifier +Lm = [\u02B0-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0374\u037A\u0559\u0640\u06E5-\u06E6\u07F4-\u07F5\u07FA\u081A\u0824\u0828\u0971\u0E46\u0EC6\u10FC\u17D7\u1843\u1AA7\u1C78-\u1C7D\u1D2C-\u1D6A\u1D78\u1D9B-\u1DBF\u2071\u207F\u2090-\u209C\u2C7C-\u2C7D\u2D6F\u2E2F\u3005\u3031-\u3035\u303B\u309D-\u309E\u30FC-\u30FE\uA015\uA4F8-\uA4FD\uA60C\uA67F\uA69C-\uA69D\uA717-\uA71F\uA770\uA788\uA7F8-\uA7F9\uA9CF\uA9E6\uAA70\uAADD\uAAF3-\uAAF4\uAB5C-\uAB5F\uFF70\uFF9E-\uFF9F] + +// Letter, Other +Lo = [\u00AA\u00BA\u01BB\u01C0-\u01C3\u0294\u05D0-\u05EA\u05F0-\u05F2\u0620-\u063F\u0641-\u064A\u066E-\u066F\u0671-\u06D3\u06D5\u06EE-\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u0800-\u0815\u0840-\u0858\u08A0-\u08B4\u0904-\u0939\u093D\u0950\u0958-\u0961\u0972-\u0980\u0985-\u098C\u098F-\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\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-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2-\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0-\u0AE1\u0AF9\u0B05-\u0B0C\u0B0F-\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32-\u0B33\u0B35-\u0B39\u0B3D\u0B5C-\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99-\u0B9A\u0B9C\u0B9E-\u0B9F\u0BA3-\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D\u0C58-\u0C5A\u0C60-\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0-\u0CE1\u0CF1-\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D5F-\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32-\u0E33\u0E40-\u0E45\u0E81-\u0E82\u0E84\u0E87-\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA-\u0EAB\u0EAD-\u0EB0\u0EB2-\u0EB3\u0EBD\u0EC0-\u0EC4\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065-\u1066\u106E-\u1070\u1075-\u1081\u108E\u10D0-\u10FA\u10FD-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16F1-\u16F8\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17DC\u1820-\u1842\u1844-\u1877\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191E\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u1A00-\u1A16\u1A20-\u1A54\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE-\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C77\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5-\u1CF6\u2135-\u2138\u2D30-\u2D67\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u3006\u303C\u3041-\u3096\u309F\u30A1-\u30FA\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FD5\uA000-\uA014\uA016-\uA48C\uA4D0-\uA4F7\uA500-\uA60B\uA610-\uA61F\uA62A-\uA62B\uA66E\uA6A0-\uA6E5\uA78F\uA7F7\uA7FB-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA8FD\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9E0-\uA9E4\uA9E7-\uA9EF\uA9FA-\uA9FE\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA6F\uAA71-\uAA76\uAA7A\uAA7E-\uAAAF\uAAB1\uAAB5-\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADC\uAAE0-\uAAEA\uAAF2\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uABC0-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40-\uFB41\uFB43-\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF66-\uFF6F\uFF71-\uFF9D\uFFA0-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC] + +// Letter, Titlecase +Lt = [\u01C5\u01C8\u01CB\u01F2\u1F88-\u1F8F\u1F98-\u1F9F\u1FA8-\u1FAF\u1FBC\u1FCC\u1FFC] + +// Letter, Uppercase +Lu = [\u0041-\u005A\u00C0-\u00D6\u00D8-\u00DE\u0100\u0102\u0104\u0106\u0108\u010A\u010C\u010E\u0110\u0112\u0114\u0116\u0118\u011A\u011C\u011E\u0120\u0122\u0124\u0126\u0128\u012A\u012C\u012E\u0130\u0132\u0134\u0136\u0139\u013B\u013D\u013F\u0141\u0143\u0145\u0147\u014A\u014C\u014E\u0150\u0152\u0154\u0156\u0158\u015A\u015C\u015E\u0160\u0162\u0164\u0166\u0168\u016A\u016C\u016E\u0170\u0172\u0174\u0176\u0178-\u0179\u017B\u017D\u0181-\u0182\u0184\u0186-\u0187\u0189-\u018B\u018E-\u0191\u0193-\u0194\u0196-\u0198\u019C-\u019D\u019F-\u01A0\u01A2\u01A4\u01A6-\u01A7\u01A9\u01AC\u01AE-\u01AF\u01B1-\u01B3\u01B5\u01B7-\u01B8\u01BC\u01C4\u01C7\u01CA\u01CD\u01CF\u01D1\u01D3\u01D5\u01D7\u01D9\u01DB\u01DE\u01E0\u01E2\u01E4\u01E6\u01E8\u01EA\u01EC\u01EE\u01F1\u01F4\u01F6-\u01F8\u01FA\u01FC\u01FE\u0200\u0202\u0204\u0206\u0208\u020A\u020C\u020E\u0210\u0212\u0214\u0216\u0218\u021A\u021C\u021E\u0220\u0222\u0224\u0226\u0228\u022A\u022C\u022E\u0230\u0232\u023A-\u023B\u023D-\u023E\u0241\u0243-\u0246\u0248\u024A\u024C\u024E\u0370\u0372\u0376\u037F\u0386\u0388-\u038A\u038C\u038E-\u038F\u0391-\u03A1\u03A3-\u03AB\u03CF\u03D2-\u03D4\u03D8\u03DA\u03DC\u03DE\u03E0\u03E2\u03E4\u03E6\u03E8\u03EA\u03EC\u03EE\u03F4\u03F7\u03F9-\u03FA\u03FD-\u042F\u0460\u0462\u0464\u0466\u0468\u046A\u046C\u046E\u0470\u0472\u0474\u0476\u0478\u047A\u047C\u047E\u0480\u048A\u048C\u048E\u0490\u0492\u0494\u0496\u0498\u049A\u049C\u049E\u04A0\u04A2\u04A4\u04A6\u04A8\u04AA\u04AC\u04AE\u04B0\u04B2\u04B4\u04B6\u04B8\u04BA\u04BC\u04BE\u04C0-\u04C1\u04C3\u04C5\u04C7\u04C9\u04CB\u04CD\u04D0\u04D2\u04D4\u04D6\u04D8\u04DA\u04DC\u04DE\u04E0\u04E2\u04E4\u04E6\u04E8\u04EA\u04EC\u04EE\u04F0\u04F2\u04F4\u04F6\u04F8\u04FA\u04FC\u04FE\u0500\u0502\u0504\u0506\u0508\u050A\u050C\u050E\u0510\u0512\u0514\u0516\u0518\u051A\u051C\u051E\u0520\u0522\u0524\u0526\u0528\u052A\u052C\u052E\u0531-\u0556\u10A0-\u10C5\u10C7\u10CD\u13A0-\u13F5\u1E00\u1E02\u1E04\u1E06\u1E08\u1E0A\u1E0C\u1E0E\u1E10\u1E12\u1E14\u1E16\u1E18\u1E1A\u1E1C\u1E1E\u1E20\u1E22\u1E24\u1E26\u1E28\u1E2A\u1E2C\u1E2E\u1E30\u1E32\u1E34\u1E36\u1E38\u1E3A\u1E3C\u1E3E\u1E40\u1E42\u1E44\u1E46\u1E48\u1E4A\u1E4C\u1E4E\u1E50\u1E52\u1E54\u1E56\u1E58\u1E5A\u1E5C\u1E5E\u1E60\u1E62\u1E64\u1E66\u1E68\u1E6A\u1E6C\u1E6E\u1E70\u1E72\u1E74\u1E76\u1E78\u1E7A\u1E7C\u1E7E\u1E80\u1E82\u1E84\u1E86\u1E88\u1E8A\u1E8C\u1E8E\u1E90\u1E92\u1E94\u1E9E\u1EA0\u1EA2\u1EA4\u1EA6\u1EA8\u1EAA\u1EAC\u1EAE\u1EB0\u1EB2\u1EB4\u1EB6\u1EB8\u1EBA\u1EBC\u1EBE\u1EC0\u1EC2\u1EC4\u1EC6\u1EC8\u1ECA\u1ECC\u1ECE\u1ED0\u1ED2\u1ED4\u1ED6\u1ED8\u1EDA\u1EDC\u1EDE\u1EE0\u1EE2\u1EE4\u1EE6\u1EE8\u1EEA\u1EEC\u1EEE\u1EF0\u1EF2\u1EF4\u1EF6\u1EF8\u1EFA\u1EFC\u1EFE\u1F08-\u1F0F\u1F18-\u1F1D\u1F28-\u1F2F\u1F38-\u1F3F\u1F48-\u1F4D\u1F59\u1F5B\u1F5D\u1F5F\u1F68-\u1F6F\u1FB8-\u1FBB\u1FC8-\u1FCB\u1FD8-\u1FDB\u1FE8-\u1FEC\u1FF8-\u1FFB\u2102\u2107\u210B-\u210D\u2110-\u2112\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u2130-\u2133\u213E-\u213F\u2145\u2183\u2C00-\u2C2E\u2C60\u2C62-\u2C64\u2C67\u2C69\u2C6B\u2C6D-\u2C70\u2C72\u2C75\u2C7E-\u2C80\u2C82\u2C84\u2C86\u2C88\u2C8A\u2C8C\u2C8E\u2C90\u2C92\u2C94\u2C96\u2C98\u2C9A\u2C9C\u2C9E\u2CA0\u2CA2\u2CA4\u2CA6\u2CA8\u2CAA\u2CAC\u2CAE\u2CB0\u2CB2\u2CB4\u2CB6\u2CB8\u2CBA\u2CBC\u2CBE\u2CC0\u2CC2\u2CC4\u2CC6\u2CC8\u2CCA\u2CCC\u2CCE\u2CD0\u2CD2\u2CD4\u2CD6\u2CD8\u2CDA\u2CDC\u2CDE\u2CE0\u2CE2\u2CEB\u2CED\u2CF2\uA640\uA642\uA644\uA646\uA648\uA64A\uA64C\uA64E\uA650\uA652\uA654\uA656\uA658\uA65A\uA65C\uA65E\uA660\uA662\uA664\uA666\uA668\uA66A\uA66C\uA680\uA682\uA684\uA686\uA688\uA68A\uA68C\uA68E\uA690\uA692\uA694\uA696\uA698\uA69A\uA722\uA724\uA726\uA728\uA72A\uA72C\uA72E\uA732\uA734\uA736\uA738\uA73A\uA73C\uA73E\uA740\uA742\uA744\uA746\uA748\uA74A\uA74C\uA74E\uA750\uA752\uA754\uA756\uA758\uA75A\uA75C\uA75E\uA760\uA762\uA764\uA766\uA768\uA76A\uA76C\uA76E\uA779\uA77B\uA77D-\uA77E\uA780\uA782\uA784\uA786\uA78B\uA78D\uA790\uA792\uA796\uA798\uA79A\uA79C\uA79E\uA7A0\uA7A2\uA7A4\uA7A6\uA7A8\uA7AA-\uA7AD\uA7B0-\uA7B4\uA7B6\uFF21-\uFF3A] + +// Mark, Spacing Combining +Mc = [\u0903\u093B\u093E-\u0940\u0949-\u094C\u094E-\u094F\u0982-\u0983\u09BE-\u09C0\u09C7-\u09C8\u09CB-\u09CC\u09D7\u0A03\u0A3E-\u0A40\u0A83\u0ABE-\u0AC0\u0AC9\u0ACB-\u0ACC\u0B02-\u0B03\u0B3E\u0B40\u0B47-\u0B48\u0B4B-\u0B4C\u0B57\u0BBE-\u0BBF\u0BC1-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCC\u0BD7\u0C01-\u0C03\u0C41-\u0C44\u0C82-\u0C83\u0CBE\u0CC0-\u0CC4\u0CC7-\u0CC8\u0CCA-\u0CCB\u0CD5-\u0CD6\u0D02-\u0D03\u0D3E-\u0D40\u0D46-\u0D48\u0D4A-\u0D4C\u0D57\u0D82-\u0D83\u0DCF-\u0DD1\u0DD8-\u0DDF\u0DF2-\u0DF3\u0F3E-\u0F3F\u0F7F\u102B-\u102C\u1031\u1038\u103B-\u103C\u1056-\u1057\u1062-\u1064\u1067-\u106D\u1083-\u1084\u1087-\u108C\u108F\u109A-\u109C\u17B6\u17BE-\u17C5\u17C7-\u17C8\u1923-\u1926\u1929-\u192B\u1930-\u1931\u1933-\u1938\u1A19-\u1A1A\u1A55\u1A57\u1A61\u1A63-\u1A64\u1A6D-\u1A72\u1B04\u1B35\u1B3B\u1B3D-\u1B41\u1B43-\u1B44\u1B82\u1BA1\u1BA6-\u1BA7\u1BAA\u1BE7\u1BEA-\u1BEC\u1BEE\u1BF2-\u1BF3\u1C24-\u1C2B\u1C34-\u1C35\u1CE1\u1CF2-\u1CF3\u302E-\u302F\uA823-\uA824\uA827\uA880-\uA881\uA8B4-\uA8C3\uA952-\uA953\uA983\uA9B4-\uA9B5\uA9BA-\uA9BB\uA9BD-\uA9C0\uAA2F-\uAA30\uAA33-\uAA34\uAA4D\uAA7B\uAA7D\uAAEB\uAAEE-\uAAEF\uAAF5\uABE3-\uABE4\uABE6-\uABE7\uABE9-\uABEA\uABEC] + +// Mark, Nonspacing +Mn = [\u0300-\u036F\u0483-\u0487\u0591-\u05BD\u05BF\u05C1-\u05C2\u05C4-\u05C5\u05C7\u0610-\u061A\u064B-\u065F\u0670\u06D6-\u06DC\u06DF-\u06E4\u06E7-\u06E8\u06EA-\u06ED\u0711\u0730-\u074A\u07A6-\u07B0\u07EB-\u07F3\u0816-\u0819\u081B-\u0823\u0825-\u0827\u0829-\u082D\u0859-\u085B\u08E3-\u0902\u093A\u093C\u0941-\u0948\u094D\u0951-\u0957\u0962-\u0963\u0981\u09BC\u09C1-\u09C4\u09CD\u09E2-\u09E3\u0A01-\u0A02\u0A3C\u0A41-\u0A42\u0A47-\u0A48\u0A4B-\u0A4D\u0A51\u0A70-\u0A71\u0A75\u0A81-\u0A82\u0ABC\u0AC1-\u0AC5\u0AC7-\u0AC8\u0ACD\u0AE2-\u0AE3\u0B01\u0B3C\u0B3F\u0B41-\u0B44\u0B4D\u0B56\u0B62-\u0B63\u0B82\u0BC0\u0BCD\u0C00\u0C3E-\u0C40\u0C46-\u0C48\u0C4A-\u0C4D\u0C55-\u0C56\u0C62-\u0C63\u0C81\u0CBC\u0CBF\u0CC6\u0CCC-\u0CCD\u0CE2-\u0CE3\u0D01\u0D41-\u0D44\u0D4D\u0D62-\u0D63\u0DCA\u0DD2-\u0DD4\u0DD6\u0E31\u0E34-\u0E3A\u0E47-\u0E4E\u0EB1\u0EB4-\u0EB9\u0EBB-\u0EBC\u0EC8-\u0ECD\u0F18-\u0F19\u0F35\u0F37\u0F39\u0F71-\u0F7E\u0F80-\u0F84\u0F86-\u0F87\u0F8D-\u0F97\u0F99-\u0FBC\u0FC6\u102D-\u1030\u1032-\u1037\u1039-\u103A\u103D-\u103E\u1058-\u1059\u105E-\u1060\u1071-\u1074\u1082\u1085-\u1086\u108D\u109D\u135D-\u135F\u1712-\u1714\u1732-\u1734\u1752-\u1753\u1772-\u1773\u17B4-\u17B5\u17B7-\u17BD\u17C6\u17C9-\u17D3\u17DD\u180B-\u180D\u18A9\u1920-\u1922\u1927-\u1928\u1932\u1939-\u193B\u1A17-\u1A18\u1A1B\u1A56\u1A58-\u1A5E\u1A60\u1A62\u1A65-\u1A6C\u1A73-\u1A7C\u1A7F\u1AB0-\u1ABD\u1B00-\u1B03\u1B34\u1B36-\u1B3A\u1B3C\u1B42\u1B6B-\u1B73\u1B80-\u1B81\u1BA2-\u1BA5\u1BA8-\u1BA9\u1BAB-\u1BAD\u1BE6\u1BE8-\u1BE9\u1BED\u1BEF-\u1BF1\u1C2C-\u1C33\u1C36-\u1C37\u1CD0-\u1CD2\u1CD4-\u1CE0\u1CE2-\u1CE8\u1CED\u1CF4\u1CF8-\u1CF9\u1DC0-\u1DF5\u1DFC-\u1DFF\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2CEF-\u2CF1\u2D7F\u2DE0-\u2DFF\u302A-\u302D\u3099-\u309A\uA66F\uA674-\uA67D\uA69E-\uA69F\uA6F0-\uA6F1\uA802\uA806\uA80B\uA825-\uA826\uA8C4\uA8E0-\uA8F1\uA926-\uA92D\uA947-\uA951\uA980-\uA982\uA9B3\uA9B6-\uA9B9\uA9BC\uA9E5\uAA29-\uAA2E\uAA31-\uAA32\uAA35-\uAA36\uAA43\uAA4C\uAA7C\uAAB0\uAAB2-\uAAB4\uAAB7-\uAAB8\uAABE-\uAABF\uAAC1\uAAEC-\uAAED\uAAF6\uABE5\uABE8\uABED\uFB1E\uFE00-\uFE0F\uFE20-\uFE2F] + +// Number, Decimal Digit +Nd = [\u0030-\u0039\u0660-\u0669\u06F0-\u06F9\u07C0-\u07C9\u0966-\u096F\u09E6-\u09EF\u0A66-\u0A6F\u0AE6-\u0AEF\u0B66-\u0B6F\u0BE6-\u0BEF\u0C66-\u0C6F\u0CE6-\u0CEF\u0D66-\u0D6F\u0DE6-\u0DEF\u0E50-\u0E59\u0ED0-\u0ED9\u0F20-\u0F29\u1040-\u1049\u1090-\u1099\u17E0-\u17E9\u1810-\u1819\u1946-\u194F\u19D0-\u19D9\u1A80-\u1A89\u1A90-\u1A99\u1B50-\u1B59\u1BB0-\u1BB9\u1C40-\u1C49\u1C50-\u1C59\uA620-\uA629\uA8D0-\uA8D9\uA900-\uA909\uA9D0-\uA9D9\uA9F0-\uA9F9\uAA50-\uAA59\uABF0-\uABF9\uFF10-\uFF19] + +// Number, Letter +Nl = [\u16EE-\u16F0\u2160-\u2182\u2185-\u2188\u3007\u3021-\u3029\u3038-\u303A\uA6E6-\uA6EF] + +// Punctuation, Connector +Pc = [\u005F\u203F-\u2040\u2054\uFE33-\uFE34\uFE4D-\uFE4F\uFF3F] + +// Separator, Space +Zs = [\u0020\u00A0\u1680\u2000-\u200A\u202F\u205F\u3000] + +/* Tokens */ + +BreakToken = "break" !IdentifierPart +CaseToken = "case" !IdentifierPart +CatchToken = "catch" !IdentifierPart +ClassToken = "class" !IdentifierPart +ConstToken = "const" !IdentifierPart +ContinueToken = "continue" !IdentifierPart +DebuggerToken = "debugger" !IdentifierPart +DefaultToken = "default" !IdentifierPart +DeleteToken = "delete" !IdentifierPart +DoToken = "do" !IdentifierPart +ElseToken = "else" !IdentifierPart +EnumToken = "enum" !IdentifierPart +ExportToken = "export" !IdentifierPart +ExtendsToken = "extends" !IdentifierPart +FalseToken = "false" !IdentifierPart +FinallyToken = "finally" !IdentifierPart +ForToken = "for" !IdentifierPart +FunctionToken = "function" !IdentifierPart +GetToken = "get" !IdentifierPart +IfToken = "if" !IdentifierPart +ImportToken = "import" !IdentifierPart +InstanceofToken = "instanceof" !IdentifierPart +InToken = "in" !IdentifierPart +NewToken = "new" !IdentifierPart +NullToken = "null" !IdentifierPart +ReturnToken = "return" !IdentifierPart +SetToken = "set" !IdentifierPart +SuperToken = "super" !IdentifierPart +SwitchToken = "switch" !IdentifierPart +ThisToken = "this" !IdentifierPart +ThrowToken = "throw" !IdentifierPart +TrueToken = "true" !IdentifierPart +TryToken = "try" !IdentifierPart +TypeofToken = "typeof" !IdentifierPart +VarToken = "var" !IdentifierPart +VoidToken = "void" !IdentifierPart +WhileToken = "while" !IdentifierPart +WithToken = "with" !IdentifierPart + +/* Skipped */ + +__ + = (WhiteSpace / LineTerminatorSequence / Comment)* + +_ + = (WhiteSpace / MultiLineCommentNoLineTerminator)* + +/* Automatic Semicolon Insertion */ + +EOS + = __ ";" + / _ SingleLineComment? LineTerminatorSequence + / _ &"}" + / __ EOF + +EOF + = !. + +/* ----- A.2 Number Conversions ----- */ + +/* Irrelevant. */ + +/* ----- A.3 Expressions ----- */ + +PrimaryExpression + = ThisToken { return { type: "ThisExpression" }; } + / Identifier + / Literal + / ArrayLiteral + / ObjectLiteral + / "(" __ expression:Expression __ ")" { return expression; } + +ArrayLiteral + = "[" __ elision:(Elision __)? "]" { + return { + type: "ArrayExpression", + elements: optionalList(extractOptional(elision, 0)) + }; + } + / "[" __ elements:ElementList __ "]" { + return { + type: "ArrayExpression", + elements: elements + }; + } + / "[" __ elements:ElementList __ "," __ elision:(Elision __)? "]" { + return { + type: "ArrayExpression", + elements: elements.concat(optionalList(extractOptional(elision, 0))) + }; + } + +ElementList + = head:( + elision:(Elision __)? element:AssignmentExpression { + return optionalList(extractOptional(elision, 0)).concat(element); + } + ) + tail:( + __ "," __ elision:(Elision __)? element:AssignmentExpression { + return optionalList(extractOptional(elision, 0)).concat(element); + } + )* + { return Array.prototype.concat.apply(head, tail); } + +Elision + = "," commas:(__ ",")* { return filledArray(commas.length + 1, null); } + +ObjectLiteral + = "{" __ "}" { return { type: "ObjectExpression", properties: [] }; } + / "{" __ properties:PropertyNameAndValueList __ "}" { + return { type: "ObjectExpression", properties: properties }; + } + / "{" __ properties:PropertyNameAndValueList __ "," __ "}" { + return { type: "ObjectExpression", properties: properties }; + } +PropertyNameAndValueList + = head:PropertyAssignment tail:(__ "," __ PropertyAssignment)* { + return buildList(head, tail, 3); + } + +PropertyAssignment + = key:PropertyName __ ":" __ value:AssignmentExpression { + return { key: key, value: value, kind: "init" }; + } + / GetToken __ key:PropertyName __ + "(" __ ")" __ + "{" __ body:FunctionBody __ "}" + { + return { + key: key, + value: { + type: "FunctionExpression", + id: null, + params: [], + body: body + }, + kind: "get" + }; + } + / SetToken __ key:PropertyName __ + "(" __ params:PropertySetParameterList __ ")" __ + "{" __ body:FunctionBody __ "}" + { + return { + key: key, + value: { + type: "FunctionExpression", + id: null, + params: params, + body: body + }, + kind: "set" + }; + } + +PropertyName + = IdentifierName + / StringLiteral + / NumericLiteral + +PropertySetParameterList + = id:Identifier { return [id]; } + +MemberExpression + = head:( + PrimaryExpression + / FunctionExpression + / NewToken __ callee:MemberExpression __ args:Arguments { + return { type: "NewExpression", callee: callee, arguments: args }; + } + ) + tail:( + __ "[" __ property:Expression __ "]" { + return { property: property, computed: true }; + } + / __ "." __ property:IdentifierName { + return { property: property, computed: false }; + } + )* + { + return buildTree(head, tail, function(result, element) { + return { + type: "MemberExpression", + object: result, + property: element.property, + computed: element.computed + }; + }); + } + +NewExpression + = MemberExpression + / NewToken __ callee:NewExpression { + return { type: "NewExpression", callee: callee, arguments: [] }; + } + +CallExpression + = head:( + callee:MemberExpression __ args:Arguments { + return { type: "CallExpression", callee: callee, arguments: args }; + } + ) + tail:( + __ args:Arguments { + return { type: "CallExpression", arguments: args }; + } + / __ "[" __ property:Expression __ "]" { + return { + type: "MemberExpression", + property: property, + computed: true + }; + } + / __ "." __ property:IdentifierName { + return { + type: "MemberExpression", + property: property, + computed: false + }; + } + )* + { + return buildTree(head, tail, function(result, element) { + element[TYPES_TO_PROPERTY_NAMES[element.type]] = result; + + return element; + }); + } + +Arguments + = "(" __ args:(ArgumentList __)? ")" { + return optionalList(extractOptional(args, 0)); + } + +ArgumentList + = head:AssignmentExpression tail:(__ "," __ AssignmentExpression)* { + return buildList(head, tail, 3); + } + +LeftHandSideExpression + = CallExpression + / NewExpression + +PostfixExpression + = argument:LeftHandSideExpression _ operator:PostfixOperator { + return { + type: "UpdateExpression", + operator: operator, + argument: argument, + prefix: false + }; + } + / LeftHandSideExpression + +PostfixOperator + = "++" + / "--" + +UnaryExpression + = PostfixExpression + / operator:UnaryOperator __ argument:UnaryExpression { + var type = (operator === "++" || operator === "--") + ? "UpdateExpression" + : "UnaryExpression"; + + return { + type: type, + operator: operator, + argument: argument, + prefix: true + }; + } + +UnaryOperator + = $DeleteToken + / $VoidToken + / $TypeofToken + / "++" + / "--" + / $("+" !"=") + / $("-" !"=") + / "~" + / "!" + +MultiplicativeExpression + = head:UnaryExpression + tail:(__ MultiplicativeOperator __ UnaryExpression)* + { return buildBinaryExpression(head, tail); } + +MultiplicativeOperator + = $("*" !"=") + / $("/" !"=") + / $("%" !"=") + +AdditiveExpression + = head:MultiplicativeExpression + tail:(__ AdditiveOperator __ MultiplicativeExpression)* + { return buildBinaryExpression(head, tail); } + +AdditiveOperator + = $("+" ![+=]) + / $("-" ![-=]) + +ShiftExpression + = head:AdditiveExpression + tail:(__ ShiftOperator __ AdditiveExpression)* + { return buildBinaryExpression(head, tail); } + +ShiftOperator + = $("<<" !"=") + / $(">>>" !"=") + / $(">>" !"=") + +RelationalExpression + = head:ShiftExpression + tail:(__ RelationalOperator __ ShiftExpression)* + { return buildBinaryExpression(head, tail); } + +RelationalOperator + = "<=" + / ">=" + / $("<" !"<") + / $(">" !">") + / $InstanceofToken + / $InToken + +RelationalExpressionNoIn + = head:ShiftExpression + tail:(__ RelationalOperatorNoIn __ ShiftExpression)* + { return buildBinaryExpression(head, tail); } + +RelationalOperatorNoIn + = "<=" + / ">=" + / $("<" !"<") + / $(">" !">") + / $InstanceofToken + +EqualityExpression + = head:RelationalExpression + tail:(__ EqualityOperator __ RelationalExpression)* + { return buildBinaryExpression(head, tail); } + +EqualityExpressionNoIn + = head:RelationalExpressionNoIn + tail:(__ EqualityOperator __ RelationalExpressionNoIn)* + { return buildBinaryExpression(head, tail); } + +EqualityOperator + = "===" + / "!==" + / "==" + / "!=" + +BitwiseANDExpression + = head:EqualityExpression + tail:(__ BitwiseANDOperator __ EqualityExpression)* + { return buildBinaryExpression(head, tail); } + +BitwiseANDExpressionNoIn + = head:EqualityExpressionNoIn + tail:(__ BitwiseANDOperator __ EqualityExpressionNoIn)* + { return buildBinaryExpression(head, tail); } + +BitwiseANDOperator + = $("&" ![&=]) + +BitwiseXORExpression + = head:BitwiseANDExpression + tail:(__ BitwiseXOROperator __ BitwiseANDExpression)* + { return buildBinaryExpression(head, tail); } + +BitwiseXORExpressionNoIn + = head:BitwiseANDExpressionNoIn + tail:(__ BitwiseXOROperator __ BitwiseANDExpressionNoIn)* + { return buildBinaryExpression(head, tail); } + +BitwiseXOROperator + = $("^" !"=") + +BitwiseORExpression + = head:BitwiseXORExpression + tail:(__ BitwiseOROperator __ BitwiseXORExpression)* + { return buildBinaryExpression(head, tail); } + +BitwiseORExpressionNoIn + = head:BitwiseXORExpressionNoIn + tail:(__ BitwiseOROperator __ BitwiseXORExpressionNoIn)* + { return buildBinaryExpression(head, tail); } + +BitwiseOROperator + = $("|" ![|=]) + +LogicalANDExpression + = head:BitwiseORExpression + tail:(__ LogicalANDOperator __ BitwiseORExpression)* + { return buildBinaryExpression(head, tail); } + +LogicalANDExpressionNoIn + = head:BitwiseORExpressionNoIn + tail:(__ LogicalANDOperator __ BitwiseORExpressionNoIn)* + { return buildBinaryExpression(head, tail); } + +LogicalANDOperator + = "&&" + +LogicalORExpression + = head:LogicalANDExpression + tail:(__ LogicalOROperator __ LogicalANDExpression)* + { return buildBinaryExpression(head, tail); } + +LogicalORExpressionNoIn + = head:LogicalANDExpressionNoIn + tail:(__ LogicalOROperator __ LogicalANDExpressionNoIn)* + { return buildBinaryExpression(head, tail); } + +LogicalOROperator + = "||" + +ConditionalExpression + = test:LogicalORExpression __ + "?" __ consequent:AssignmentExpression __ + ":" __ alternate:AssignmentExpression + { + return { + type: "ConditionalExpression", + test: test, + consequent: consequent, + alternate: alternate + }; + } + / LogicalORExpression + +ConditionalExpressionNoIn + = test:LogicalORExpressionNoIn __ + "?" __ consequent:AssignmentExpression __ + ":" __ alternate:AssignmentExpressionNoIn + { + return { + type: "ConditionalExpression", + test: test, + consequent: consequent, + alternate: alternate + }; + } + / LogicalORExpressionNoIn + +AssignmentExpression + = left:LeftHandSideExpression __ + "=" !"=" __ + right:AssignmentExpression + { + return { + type: "AssignmentExpression", + operator: "=", + left: left, + right: right + }; + } + / left:LeftHandSideExpression __ + operator:AssignmentOperator __ + right:AssignmentExpression + { + return { + type: "AssignmentExpression", + operator: operator, + left: left, + right: right + }; + } + / ConditionalExpression + +AssignmentExpressionNoIn + = left:LeftHandSideExpression __ + "=" !"=" __ + right:AssignmentExpressionNoIn + { + return { + type: "AssignmentExpression", + operator: "=", + left: left, + right: right + }; + } + / left:LeftHandSideExpression __ + operator:AssignmentOperator __ + right:AssignmentExpressionNoIn + { + return { + type: "AssignmentExpression", + operator: operator, + left: left, + right: right + }; + } + / ConditionalExpressionNoIn + +AssignmentOperator + = "*=" + / "/=" + / "%=" + / "+=" + / "-=" + / "<<=" + / ">>=" + / ">>>=" + / "&=" + / "^=" + / "|=" + +Expression + = head:AssignmentExpression tail:(__ "," __ AssignmentExpression)* { + return tail.length > 0 + ? { type: "SequenceExpression", expressions: buildList(head, tail, 3) } + : head; + } + +ExpressionNoIn + = head:AssignmentExpressionNoIn tail:(__ "," __ AssignmentExpressionNoIn)* { + return tail.length > 0 + ? { type: "SequenceExpression", expressions: buildList(head, tail, 3) } + : head; + } + +/* ----- A.4 Statements ----- */ + +Statement + = Block + / VariableStatement + / EmptyStatement + / ExpressionStatement + / IfStatement + / IterationStatement + / ContinueStatement + / BreakStatement + / ReturnStatement + / WithStatement + / LabelledStatement + / SwitchStatement + / ThrowStatement + / TryStatement + / DebuggerStatement + +Block + = "{" __ body:(StatementList __)? "}" { + return { + type: "BlockStatement", + body: optionalList(extractOptional(body, 0)) + }; + } + +StatementList + = head:Statement tail:(__ Statement)* { return buildList(head, tail, 1); } + +VariableStatement + = VarToken __ declarations:VariableDeclarationList EOS { + return { + type: "VariableDeclaration", + declarations: declarations + }; + } + +VariableDeclarationList + = head:VariableDeclaration tail:(__ "," __ VariableDeclaration)* { + return buildList(head, tail, 3); + } + +VariableDeclarationListNoIn + = head:VariableDeclarationNoIn tail:(__ "," __ VariableDeclarationNoIn)* { + return buildList(head, tail, 3); + } + +VariableDeclaration + = id:Identifier init:(__ Initialiser)? { + return { + type: "VariableDeclarator", + id: id, + init: extractOptional(init, 1) + }; + } + +VariableDeclarationNoIn + = id:Identifier init:(__ InitialiserNoIn)? { + return { + type: "VariableDeclarator", + id: id, + init: extractOptional(init, 1) + }; + } + +Initialiser + = "=" !"=" __ expression:AssignmentExpression { return expression; } + +InitialiserNoIn + = "=" !"=" __ expression:AssignmentExpressionNoIn { return expression; } + +EmptyStatement + = ";" { return { type: "EmptyStatement" }; } + +ExpressionStatement + = !("{" / FunctionToken) expression:Expression EOS { + return { + type: "ExpressionStatement", + expression: expression + }; + } + +IfStatement + = IfToken __ "(" __ test:Expression __ ")" __ + consequent:Statement __ + ElseToken __ + alternate:Statement + { + return { + type: "IfStatement", + test: test, + consequent: consequent, + alternate: alternate + }; + } + / IfToken __ "(" __ test:Expression __ ")" __ + consequent:Statement { + return { + type: "IfStatement", + test: test, + consequent: consequent, + alternate: null + }; + } + +IterationStatement + = DoToken __ + body:Statement __ + WhileToken __ "(" __ test:Expression __ ")" EOS + { return { type: "DoWhileStatement", body: body, test: test }; } + / WhileToken __ "(" __ test:Expression __ ")" __ + body:Statement + { return { type: "WhileStatement", test: test, body: body }; } + / ForToken __ + "(" __ + init:(ExpressionNoIn __)? ";" __ + test:(Expression __)? ";" __ + update:(Expression __)? + ")" __ + body:Statement + { + return { + type: "ForStatement", + init: extractOptional(init, 0), + test: extractOptional(test, 0), + update: extractOptional(update, 0), + body: body + }; + } + / ForToken __ + "(" __ + VarToken __ declarations:VariableDeclarationListNoIn __ ";" __ + test:(Expression __)? ";" __ + update:(Expression __)? + ")" __ + body:Statement + { + return { + type: "ForStatement", + init: { + type: "VariableDeclaration", + declarations: declarations + }, + test: extractOptional(test, 0), + update: extractOptional(update, 0), + body: body + }; + } + / ForToken __ + "(" __ + left:LeftHandSideExpression __ + InToken __ + right:Expression __ + ")" __ + body:Statement + { + return { + type: "ForInStatement", + left: left, + right: right, + body: body + }; + } + / ForToken __ + "(" __ + VarToken __ declarations:VariableDeclarationListNoIn __ + InToken __ + right:Expression __ + ")" __ + body:Statement + { + return { + type: "ForInStatement", + left: { + type: "VariableDeclaration", + declarations: declarations + }, + right: right, + body: body + }; + } + +ContinueStatement + = ContinueToken EOS { + return { type: "ContinueStatement", label: null }; + } + / ContinueToken _ label:Identifier EOS { + return { type: "ContinueStatement", label: label }; + } + +BreakStatement + = BreakToken EOS { + return { type: "BreakStatement", label: null }; + } + / BreakToken _ label:Identifier EOS { + return { type: "BreakStatement", label: label }; + } + +ReturnStatement + = ReturnToken EOS { + return { type: "ReturnStatement", argument: null }; + } + / ReturnToken _ argument:Expression EOS { + return { type: "ReturnStatement", argument: argument }; + } + +WithStatement + = WithToken __ "(" __ object:Expression __ ")" __ + body:Statement + { return { type: "WithStatement", object: object, body: body }; } + +SwitchStatement + = SwitchToken __ "(" __ discriminant:Expression __ ")" __ + cases:CaseBlock + { + return { + type: "SwitchStatement", + discriminant: discriminant, + cases: cases + }; + } + +CaseBlock + = "{" __ clauses:(CaseClauses __)? "}" { + return optionalList(extractOptional(clauses, 0)); + } + / "{" __ + before:(CaseClauses __)? + default_:DefaultClause __ + after:(CaseClauses __)? "}" + { + return optionalList(extractOptional(before, 0)) + .concat(default_) + .concat(optionalList(extractOptional(after, 0))); + } + +CaseClauses + = head:CaseClause tail:(__ CaseClause)* { return buildList(head, tail, 1); } + +CaseClause + = CaseToken __ test:Expression __ ":" consequent:(__ StatementList)? { + return { + type: "SwitchCase", + test: test, + consequent: optionalList(extractOptional(consequent, 1)) + }; + } + +DefaultClause + = DefaultToken __ ":" consequent:(__ StatementList)? { + return { + type: "SwitchCase", + test: null, + consequent: optionalList(extractOptional(consequent, 1)) + }; + } + +LabelledStatement + = label:Identifier __ ":" __ body:Statement { + return { type: "LabeledStatement", label: label, body: body }; + } + +ThrowStatement + = ThrowToken _ argument:Expression EOS { + return { type: "ThrowStatement", argument: argument }; + } + +TryStatement + = TryToken __ block:Block __ handler:Catch __ finalizer:Finally { + return { + type: "TryStatement", + block: block, + handler: handler, + finalizer: finalizer + }; + } + / TryToken __ block:Block __ handler:Catch { + return { + type: "TryStatement", + block: block, + handler: handler, + finalizer: null + }; + } + / TryToken __ block:Block __ finalizer:Finally { + return { + type: "TryStatement", + block: block, + handler: null, + finalizer: finalizer + }; + } + +Catch + = CatchToken __ "(" __ param:Identifier __ ")" __ body:Block { + return { + type: "CatchClause", + param: param, + body: body + }; + } + +Finally + = FinallyToken __ block:Block { return block; } + +DebuggerStatement + = DebuggerToken EOS { return { type: "DebuggerStatement" }; } + +/* ----- A.5 Functions and Programs ----- */ + +FunctionDeclaration + = FunctionToken __ id:Identifier __ + "(" __ params:(FormalParameterList __)? ")" __ + "{" __ body:FunctionBody __ "}" + { + return { + type: "FunctionDeclaration", + id: id, + params: optionalList(extractOptional(params, 0)), + body: body + }; + } + +FunctionExpression + = FunctionToken __ id:(Identifier __)? + "(" __ params:(FormalParameterList __)? ")" __ + "{" __ body:FunctionBody __ "}" + { + return { + type: "FunctionExpression", + id: extractOptional(id, 0), + params: optionalList(extractOptional(params, 0)), + body: body + }; + } + +FormalParameterList + = head:Identifier tail:(__ "," __ Identifier)* { + return buildList(head, tail, 3); + } + +FunctionBody + = body:SourceElements? { + return { + type: "BlockStatement", + body: optionalList(body) + }; + } + +Program + = body:SourceElements? { + return { + type: "Program", + body: optionalList(body) + }; + } + +SourceElements + = head:SourceElement tail:(__ SourceElement)* { + return buildList(head, tail, 1); + } + +SourceElement + = Statement + / FunctionDeclaration + +/* ----- A.6 Universal Resource Identifier Character Classes ----- */ + +/* Irrelevant. */ + +/* ----- A.7 Regular Expressions ----- */ + +/* Irrelevant. */ + +/* ----- A.8 JSON ----- */ + +/* Irrelevant. */ diff --git a/cordova/node_modules/pegjs/examples/json.pegjs b/cordova/node_modules/pegjs/examples/json.pegjs new file mode 100644 index 0000000..d0ba9f4 --- /dev/null +++ b/cordova/node_modules/pegjs/examples/json.pegjs @@ -0,0 +1,132 @@ +/* + * JSON Grammar + * ============ + * + * Based on the grammar from RFC 7159 [1]. + * + * Note that JSON is also specified in ECMA-262 [2], ECMA-404 [3], and on the + * JSON website [4] (somewhat informally). The RFC seems the most authoritative + * source, which is confirmed e.g. by [5]. + * + * [1] http://tools.ietf.org/html/rfc7159 + * [2] http://www.ecma-international.org/publications/standards/Ecma-262.htm + * [3] http://www.ecma-international.org/publications/standards/Ecma-404.htm + * [4] http://json.org/ + * [5] https://www.tbray.org/ongoing/When/201x/2014/03/05/RFC7159-JSON + */ + +/* ----- 2. JSON Grammar ----- */ + +JSON_text + = ws value:value ws { return value; } + +begin_array = ws "[" ws +begin_object = ws "{" ws +end_array = ws "]" ws +end_object = ws "}" ws +name_separator = ws ":" ws +value_separator = ws "," ws + +ws "whitespace" = [ \t\n\r]* + +/* ----- 3. Values ----- */ + +value + = false + / null + / true + / object + / array + / number + / string + +false = "false" { return false; } +null = "null" { return null; } +true = "true" { return true; } + +/* ----- 4. Objects ----- */ + +object + = begin_object + members:( + head:member + tail:(value_separator m:member { return m; })* + { + var result = {}, i; + + result[head.name] = head.value; + + for (i = 0; i < tail.length; i++) { + result[tail[i].name] = tail[i].value; + } + + return result; + } + )? + end_object + { return members !== null ? members: {}; } + +member + = name:string name_separator value:value { + return { name: name, value: value }; + } + +/* ----- 5. Arrays ----- */ + +array + = begin_array + values:( + head:value + tail:(value_separator v:value { return v; })* + { return [head].concat(tail); } + )? + end_array + { return values !== null ? values : []; } + +/* ----- 6. Numbers ----- */ + +number "number" + = minus? int frac? exp? { return parseFloat(text()); } + +decimal_point = "." +digit1_9 = [1-9] +e = [eE] +exp = e (minus / plus)? DIGIT+ +frac = decimal_point DIGIT+ +int = zero / (digit1_9 DIGIT*) +minus = "-" +plus = "+" +zero = "0" + +/* ----- 7. Strings ----- */ + +string "string" + = quotation_mark chars:char* quotation_mark { return chars.join(""); } + +char + = unescaped + / escape + sequence:( + '"' + / "\\" + / "/" + / "b" { return "\b"; } + / "f" { return "\f"; } + / "n" { return "\n"; } + / "r" { return "\r"; } + / "t" { return "\t"; } + / "u" digits:$(HEXDIG HEXDIG HEXDIG HEXDIG) { + return String.fromCharCode(parseInt(digits, 16)); + } + ) + { return sequence; } + +escape = "\\" +quotation_mark = '"' +unescaped = [^\0-\x1F\x22\x5C] + +/* ----- Core ABNF Rules ----- */ + +/* See RFC 4234, Appendix B (http://tools.ietf.org/html/rfc4627). */ +DIGIT = [0-9] +HEXDIG = [0-9a-f]i |
