X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/066da9f6509588c09b1fd2a9ec6872303af4af3c..6265f0de51456b03f8f81d29a445958a73dcf47c:/Cycript.l.in diff --git a/Cycript.l.in b/Cycript.l.in index b53159c..8c183a4 100644 --- a/Cycript.l.in +++ b/Cycript.l.in @@ -1,59 +1,73 @@ /* Cycript - Optimizing JavaScript Compiler/Runtime - * Copyright (C) 2009-2010 Jay Freeman (saurik) + * Copyright (C) 2009-2015 Jay Freeman (saurik) */ -/* GNU Lesser General Public License, Version 3 {{{ */ +/* GNU Affero General Public License, Version 3 {{{ */ /* - * Cycript is free software: you can redistribute it and/or modify it under - * the terms of the GNU Lesser General Public License as published by the - * Free Software Foundation, either version 3 of the License, or (at your - * option) any later version. - * - * Cycript is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public - * License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with Cycript. If not, see . + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . **/ /* }}} */ /* XXX: supposedly I will be screwed on very very long multi-line comments and need to replace these with a manual lexer. http://websrv.cs.fsu.edu/~engelen/courses/COP5621/Pr2.pdf */ %{ -#define YYLTYPE cy::location + +#if defined(__clang__) +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wunknown-pragmas" +#pragma clang diagnostic ignored "-Wdeprecated-register" +#endif + +#define YYLTYPE CYLocation #include "Cycript.tab.hh" typedef cy::parser::token tk; +#include "Highlight.hpp" + #define YY_EXTRA_TYPE CYDriver * -#define F(value) do { \ +// do /not/ fold token to the return: this is a macro and the ordering is dependent +#define F(value, highlight) do { \ int token(value); \ +@begin ObjectiveC + yyextra->no_.AtImplementation = false; \ +@end + yyextra->no_.Function = false; \ + yyextra->no_.OpenBrace = false; \ + yylval->highlight_ = highlight; \ return token; \ } while (false) #define A new($pool) -#define Y apr_pstrmemdup($pool, yytext, yyleng) +#define Y $pool.strmemdup(yytext, yyleng) -#define I(type, Type, value) do { \ +#define I(type, Type, value, highlight) do { \ yylval->type ## _ = A CY ## Type; \ - F(value); \ + F(value, highlight); \ } while (false) #define T yylval->newline_ = yyextra->state_ == CYNewLine; BEGIN(Div); #define C T yyextra->state_ = CYClear; #define R T yyextra->state_ = CYRestricted; -#define E L C I(literal, RegEx(Y), tk::RegularExpressionLiteral); - #define N \ if (yyextra->state_ != CYNewLine) { \ if (yyextra->state_ != CYRestricted) \ yyextra->state_ = CYNewLine; \ else { \ yyextra->state_ = CYClear; \ - F(tk::NewLine); \ + F(tk::NewLine, hi::Nothing); \ } \ } @@ -66,16 +80,30 @@ typedef cy::parser::token tk; left = yyleng - (nl - yytext) - 1; \ nl = reinterpret_cast(memchr(nl + 1, '\n', left)); \ } while (nl != NULL); \ + yylloc->step(); \ yylloc->end.lines(lines); \ yylloc->end.columns(left); \ - yylloc->step(); \ more \ } else L \ } #define L { \ yylloc->step(); \ - yylloc->columns(yyleng); \ + yylloc->end.columns(yyleng); \ +} + +#define M { \ + if (yyextra->commented_) { \ + I(comment, Comment(Y), tk::Comment, hi::Comment); \ + } \ +} + +#define E(message) { \ + CYDriver::Error error; \ + error.location_ = *yylloc; \ + error.message_ = "syntax error, " message; \ + yyextra->errors_.push_back(error); \ + yyterminate(); \ } int H(char c) { @@ -88,19 +116,53 @@ int H(char c) { return -1; } +static void U(char *&local, unsigned point) { + if (false) { + } else if (point < 0x000080) { + *local++ = point; + } else if (point < 0x000800) { + *local++ = 0xc0 | point >> 0x06 & 0x1f; + goto one; + } else if (point < 0x010000) { + *local++ = 0xe0 | point >> 0x0c & 0x0f; + goto two; + } else if (point < 0x110000) { + *local++ = 0xf0 | point >> 0x12 & 0x07; + *local++ = 0x80 | point >> 0x0c & 0x3f; + two: + *local++ = 0x80 | point >> 0x06 & 0x3f; + one: + *local++ = 0x80 | point >> 0x00 & 0x3f; + } else _assert(false); +} + +static void U(char *&local, const char *text, yy_size_t &i) { + unsigned point; + + char next(text[++i]); + if (next != '{') { + point = H(text[i + 0]) << 12 | H(text[i + 1]) << 8 | H(text[i + 2]) << 4 | H(text[i + 3]); + i += 3; + } else { + point = 0; + for (;;) { + next = text[++i]; + if (next == '}') + break; + point = (point << 4) | H(next); + } + } + + U(local, point); +} + #define YY_INPUT(data, value, size) { \ - if (yyextra->file_ != NULL) { \ - size_t copy(fread(data, 1, size, yyextra->file_)); \ - value = copy == 0 ? YY_NULL : copy; \ - } else if (yyextra->size_ == 0) \ + if (yyextra->data_.eof()) \ value = YY_NULL; \ else { \ - size_t copy(size); \ - copy = (std::min(copy, yyextra->size_)); \ - memcpy(data, yyextra->data_, copy); \ - yyextra->data_ += copy; \ - yyextra->size_ -= copy; \ - value = copy; \ + yyextra->data_.read(data, size); \ + size_t copy(yyextra->data_.gcount()); \ + value = copy == 0 ? YY_NULL : copy; \ } \ } @@ -109,24 +171,60 @@ int H(char c) { %option prefix="cy" %option bison-bridge %option bison-locations +%option nodefault %option noyywrap -%option yylineno +%option noyylineno %option nounput -%option interactive +%option nounistd +%option 8bit +%option backup +%option batch +%option never-interactive +%option pointer %option reentrant %option stack -Exponent [eE][+-]?[0-9]+ -Escape \\[\\'"bfnrtv]|\\0|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}|\\\n +%option full +%option ecs + +U1 [\x00-\x7f] +U0 [\x80-\xbf] +U2 [\xc2-\xdf] +U3 [\xe0-\xef] +U4 [\xf0-\xf4] + +HexDigit [0-9a-fA-F] +LineTerminatorSequence \r?\n|\r|\xe2\x80[\xa8\xa9] +WhiteSpace [\x09\x0b\x0c\x20]|\xc2\xa0|\xef\xbb\xbf +UnicodeEscape \\u({HexDigit}{4}|\{{HexDigit}+\}) + +OctalEscape \\[1-7]|\\[4-7][0-7]|\\[0-3][0-7][0-7]? +StringEscape \\['"\\bfnrtv]|\\0|{OctalEscape}|\\x{HexDigit}{2}|{UnicodeEscape} +StringExtra {StringEscape}|\\{LineTerminatorSequence} +SingleString ([^'\\\n]|{StringExtra})* +DoubleString ([^"\\\n]|{StringExtra})* +StringPrefix '{SingleString}|\"{DoubleString} + +@include UnicodeIDStart.l +@include UnicodeIDContinue.l + +IdentifierMore [$_] -IdentifierStart [a-zA-Z$_] -IdentifierPart [a-zA-Z$_0-9] +UnicodeStart {IdentifierMore}|{UnicodeIDStart} +UnicodePart {IdentifierMore}|\xe2\x80[\x8c\x8d]|{UnicodeIDContinue} +UnicodeFail {U2}|{U3}|{U3}{U0}|{U4}|{U4}{U0}|{U4}{U0}{U0} +UnicodeScrap {UnicodePart}*{UnicodeFail}? + +IdentifierStart {UnicodeStart}|{UnicodeEscape} +IdentifierPart {UnicodePart}|{UnicodeEscape} +IdentifierFail {UnicodeFail}|\\(u({HexDigit}{0,3}|\{{HexDigit}*))? +IdentifierScrap {IdentifierPart}*{IdentifierFail}? NonTerminator [^\n] BackslashSequence \\{NonTerminator} RegularExpressionFirstChar [^\n*\\/]|{BackslashSequence} RegularExpressionChar [^\n\\/]|{BackslashSequence} -RegularExpressionFlags {IdentifierPart}* +RegularExpressionFlags {UnicodePart}* RegularExpressionChars {RegularExpressionChar}* RegularExpressionBody {RegularExpressionFirstChar}{RegularExpressionChars} @@ -146,199 +244,263 @@ XMLName {XMLNameStart}{XMLNamePart}* %% -\/{RegularExpressionBody}\/{RegularExpressionFlags} E +\/{RegularExpressionBody}\/{RegularExpressionFlags} L C I(literal, RegEx(Y), tk::RegularExpressionLiteral, hi::Constant); +\/{RegularExpressionBody}\/{RegularExpressionFlags}{UnicodeFail} L E("invalid flags") +\/{RegularExpressionBody}?\\? L E("unterminated regex") + +#![^\n]* L M -\/\/[^\n]* L +\/\/[^\n]* L M /* http://ostermiller.org/findcomment.html */ /* XXX: unify these two rules using !? */ -\/\*!([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/ V() C I(comment, Comment(Y), tk::Comment); -\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/ V(N) +\/\*!([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/ V() C I(comment, Comment(Y), tk::Comment, hi::Comment); +\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/ V(N) M +\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\** V() E("invalid comment") @begin E4X -"<>" L F(tk::LeftRight); -"" L F(tk::LeftSlashRight); +"<>" L F(tk::LeftRight, hi::Structure); +"" L F(tk::LeftSlashRight, hi::Structure); -\])*]]> V() F(tk::XMLCDATA); -\ V() F(tk::XMLComment); -\])*?> V() F(tk::XMLPI); +\])*]]> V() F(tk::XMLCDATA, hi::Constant); +\ V() F(tk::XMLComment, hi::Comment); +\])*?> V() F(tk::XMLPI, hi::Meta); -"=" L F(tk::Equal); -">" L F(tk::Right); -"/>" L F(tk::SlashRight); -"{" L F(tk::OpenBrace); +"=" L F(tk::Equal, hi::Structure); +">" L F(tk::Right, hi::Structure); +"/>" L F(tk::SlashRight, hi::Structure); +"{" L F(tk::OpenBrace, hi::Structure); -\"(\n|[^"])*\"|'(\n|[^'])*' V() F(tk::XMLAttributeValue); -{XMLName} L F(tk::XMLName); -[ \t\r\n] V() F(tk::XMLWhitespace); +\"(\n|[^"])*\"|'(\n|[^'])*' V() F(tk::XMLAttributeValue, hi::Constant); +{XMLName} L F(tk::XMLName, hi::Identifier); +[ \t\r\n] V() F(tk::XMLWhitespace, hi::Nothing); -"{" L F(tk::OpenBrace); -"<" L F(tk::Left); -""{" L F(tk::OpenBrace, hi::Structure); +"<" L F(tk::Left, hi::Structure); +"newline_ ? tk::HyphenHyphen_ : tk::HyphenHyphen); -"->" L C F(tk::HyphenRight); -"<" L C F(tk::Left); -"<=" L C F(tk::LeftEqual); -"<<" L C F(tk::LeftLeft); -"<<=" L C F(tk::LeftLeftEqual); -"%" L C F(tk::Percent); -"%=" L C F(tk::PercentEqual); -"." L C F(tk::Period); -"|" L C F(tk::Pipe); -"|=" L C F(tk::PipeEqual); -"||" L C F(tk::PipePipe); -"+" L C F(tk::Plus); -"+=" L C F(tk::PlusEqual); -"++" L C F(yylval->newline_ ? tk::PlusPlus_ : tk::PlusPlus); -">" L C F(tk::Right); -">=" L C F(tk::RightEqual); -">>" L C F(tk::RightRight); -">>=" L C F(tk::RightRightEqual); -">>>" L C F(tk::RightRightRight); -">>>=" L C F(tk::RightRightRightEqual); -"*" L C F(tk::Star); -"*=" L C F(tk::StarEqual); -"~" L C F(tk::Tilde); - -
"/" L C F(tk::Slash); -
"/=" L C F(tk::SlashEqual); - -":" L C F(tk::Colon); -"," L C F(tk::Comma); -"?" L C F(tk::Question); -";" L C F(tk::SemiColon); - -"(" L C F(tk::OpenParen); -")" L C F(tk::CloseParen); - -"{" L C F(yylval->newline_ ? tk::OpenBrace_ : tk::OpenBrace); -"}" L C F(tk::CloseBrace); - -"[" L C F(tk::OpenBracket); -"]" L C F(tk::CloseBracket); +"&" L C F(tk::Ampersand, hi::Operator); +"&&" L C F(tk::AmpersandAmpersand, hi::Operator); +"&=" L C F(tk::AmpersandEqual, hi::Operator); +"^" L C F(tk::Carrot, hi::Operator); +"^=" L C F(tk::CarrotEqual, hi::Operator); +"=" L C F(tk::Equal, hi::Operator); +"==" L C F(tk::EqualEqual, hi::Operator); +"===" L C F(tk::EqualEqualEqual, hi::Operator); +"=>" L C F(yylval->newline_ ? tk::EqualRight_ : tk::EqualRight, hi::Operator); +"!" L C F(tk::Exclamation, hi::Operator); +"!=" L C F(tk::ExclamationEqual, hi::Operator); +"!==" L C F(tk::ExclamationEqualEqual, hi::Operator); +"-" L C F(tk::Hyphen, hi::Operator); +"-=" L C F(tk::HyphenEqual, hi::Operator); +"--" L C F(yylval->newline_ ? tk::HyphenHyphen_ : tk::HyphenHyphen, hi::Operator); +"->" L C F(tk::HyphenRight, hi::Operator); +"<" L C F(tk::Left, hi::Operator); +"<=" L C F(tk::LeftEqual, hi::Operator); +"<<" L C F(tk::LeftLeft, hi::Operator); +"<<=" L C F(tk::LeftLeftEqual, hi::Operator); +"%" L C F(tk::Percent, hi::Operator); +"%=" L C F(tk::PercentEqual, hi::Operator); +"." L C F(tk::Period, hi::Operator); +"|" L C F(tk::Pipe, hi::Operator); +"|=" L C F(tk::PipeEqual, hi::Operator); +"||" L C F(tk::PipePipe, hi::Operator); +"+" L C F(tk::Plus, hi::Operator); +"+=" L C F(tk::PlusEqual, hi::Operator); +"++" L C F(yylval->newline_ ? tk::PlusPlus_ : tk::PlusPlus, hi::Operator); +">" L C F(tk::Right, hi::Operator); +">=" L C F(tk::RightEqual, hi::Operator); +">>" L C F(tk::RightRight, hi::Operator); +">>=" L C F(tk::RightRightEqual, hi::Operator); +">>>" L C F(tk::RightRightRight, hi::Operator); +">>>=" L C F(tk::RightRightRightEqual, hi::Operator); +"*" L C F(tk::Star, hi::Operator); +"*=" L C F(tk::StarEqual, hi::Operator); +"~" L C F(tk::Tilde, hi::Operator); + +
"/" L C F(tk::Slash, hi::Operator); +
"/=" L C F(tk::SlashEqual, hi::Operator); + +":" L C F(tk::Colon, hi::Structure); +"," L C F(tk::Comma, hi::Structure); +"?" L C F(tk::Question, hi::Structure); +";" L C F(tk::SemiColon, hi::Structure); + +"(" L C F(tk::OpenParen, hi::Structure); +")" L C F(tk::CloseParen, hi::Structure); + +"{" L C F(yyextra->no_.OpenBrace ? tk::OpenBrace__ : yylval->newline_ ? tk::OpenBrace_ : tk::OpenBrace, hi::Structure); +"}" L C F(tk::CloseBrace, hi::Structure); + +"[" L C F(tk::OpenBracket, hi::Structure); +"]" L C F(tk::CloseBracket, hi::Structure); + +"@error" L C F(tk::AtError, hi::Error); @begin Java -"@class" L C F(tk::AtClass); +"@class" L C F(tk::AtClass, hi::Meta); +@end + +@begin C +"typedef" L C I(identifier, Identifier("typedef"), tk::Typedef, hi::Meta); +"unsigned" L C I(identifier, Identifier("unsigned"), tk::Unsigned, hi::Type); +"signed" L C I(identifier, Identifier("signed"), tk::Signed, hi::Type); +"extern" L C I(identifier, Identifier("extern"), tk::Extern, hi::Type); +@end + +@begin C +"@encode" L C F(tk::AtEncode, hi::Meta); @end @begin ObjectiveC -"@end" L C F(tk::AtEnd); -"@implementation" L C F(tk::AtImplementation); -"@import" L C F(tk::AtImport); -"@selector" L C F(tk::AtSelector); +"@end" L C F(tk::AtEnd, hi::Meta); +"@implementation" L C F(yyextra->no_.AtImplementation ? tk::AtImplementation_ : tk::AtImplementation, hi::Meta); +"@import" L C F(tk::AtImport, hi::Special); +"@selector" L C F(tk::AtSelector, hi::Meta); + +"@null" L C F(tk::AtNull, hi::Constant); +"@YES" L C F(tk::AtYes, hi::Constant); +"@NO" L C F(tk::AtNo, hi::Constant); +"@true" L C F(tk::AtTrue, hi::Constant); +"@false" L C F(tk::AtFalse, hi::Constant); + +"NULL" L C I(identifier, Identifier("NULL"), tk::Identifier_, hi::Constant); +"nil" L C I(identifier, Identifier("nil"), tk::Identifier_, hi::Constant); +"YES" L C I(identifier, Identifier("YES"), tk::Yes, hi::Constant); +"NO" L C I(identifier, Identifier("NO"), tk::No, hi::Constant); + +"bool" L C I(identifier, Identifier("bool"), tk::Identifier_, hi::Type); +"BOOL" L C I(identifier, Identifier("BOOL"), tk::Identifier_, hi::Type); +"id" L C I(identifier, Identifier("id"), tk::Identifier_, hi::Type); +"SEL" L C I(identifier, Identifier("SEL"), tk::Identifier_, hi::Type); @end -"false" L C I(false, False(), tk::False); -"null" L C I(null, Null(), tk::Null); -"true" L C I(true, True(), tk::True); - -"break" L R I(word, Word("break"), tk::Break); -"case" L C I(word, Word("case"), tk::Case); -"catch" L C I(word, Word("catch"), tk::Catch); -"continue" L R I(word, Word("continue"), tk::Continue); -"default" L C I(word, Word("default"), tk::Default); -"delete" L C I(word, Word("delete"), tk::Delete); -"do" L C I(word, Word("do"), tk::Do); -"else" L C I(word, Word("else"), tk::Else); -"finally" L C I(word, Word("finally"), tk::Finally); -"for" L C I(word, Word("for"), tk::For); -"function" L C I(word, Word("function"), tk::Function); -"if" L C I(word, Word("if"), tk::If); -"in" L C I(word, Word("in"), yyextra->in_.top() ? tk::In_ : tk::In); -"instanceof" L C I(word, Word("instanceof"), tk::InstanceOf); -"new" L C I(word, Word("new"), tk::New); -"return" L R I(word, Word("return"), tk::Return); -"switch" L C I(word, Word("switch"), tk::Switch); -"this" L C I(this, This(), tk::This); -"throw" L R I(word, Word("throw"), tk::Throw); -"try" L C I(word, Word("try"), tk::Try); -"typeof" L C I(word, Word("typeof"), tk::TypeOf); -"var" L C I(word, Word("var"), tk::Var); -"void" L C I(word, Word("void"), tk::Void); -"while" L C I(word, Word("while"), tk::While); -"with" L C I(word, Word("with"), tk::With); - -"debugger" L C I(word, Word("debugger"), tk::Debugger); - -"const" L C I(word, Word("const"), tk::Const); - -"class" L C I(word, Word("class"), tk::Class); -"enum" L C I(word, Word("enum"), tk::Enum); -"export" L C I(word, Word("export"), tk::Export); -"extends" L C I(word, Word("extends"), tk::Extends); -"import" L C I(word, Word("import"), tk::Import); -"super" L C I(word, Word("super"), tk::Super); - -"implements" L C I(identifier, Identifier("implements"), tk::Implements); -"interface" L C I(identifier, Identifier("interface"), tk::Interface); -"package" L C I(identifier, Identifier("package"), tk::Package); -"private" L C I(identifier, Identifier("private"), tk::Private); -"protected" L C I(identifier, Identifier("protected"), tk::Protected); -"public" L C I(identifier, Identifier("public"), tk::Public); -"static" L C I(identifier, Identifier("static"), tk::Static); - -"abstract" L C I(identifier, Identifier("abstract"), tk::Abstract); -"boolean" L C I(identifier, Identifier("boolean"), tk::Boolean); -"byte" L C I(identifier, Identifier("byte"), tk::Byte); -"char" L C I(identifier, Identifier("char"), tk::Char); -"double" L C I(identifier, Identifier("double"), tk::Double); -"final" L C I(identifier, Identifier("final"), tk::Final); -"float" L C I(identifier, Identifier("float"), tk::Float); -"goto" L C I(identifier, Identifier("goto"), tk::Goto); -"int" L C I(identifier, Identifier("int"), tk::Int); -"long" L C I(identifier, Identifier("long"), tk::Long); -"native" L C I(identifier, Identifier("native"), tk::Native); -"short" L C I(identifier, Identifier("short"), tk::Short); -"synchronized" L C I(identifier, Identifier("synchronized"), tk::Synchronized); -"throws" L C I(identifier, Identifier("throws"), tk::Throws); -"transient" L C I(identifier, Identifier("transient"), tk::Transient); -"volatile" L C I(identifier, Identifier("volatile"), tk::Volatile); - -"let" L C I(identifier, Identifier("let"), tk::Let); -"yield" L C I(identifier, Identifier("yield"), tk::Yield); - -"each" L C I(identifier, Identifier("each"), tk::Each); +"undefined" L C I(identifier, Identifier("undefined"), tk::Identifier_, hi::Operator); + +"false" L C I(false, False(), tk::False, hi::Constant); +"null" L C I(null, Null(), tk::Null, hi::Constant); +"true" L C I(true, True(), tk::True, hi::Constant); + +"auto" L C I(word, Word("auto"), tk::Auto, hi::Meta); +"break" L R I(word, Word("break"), tk::Break, hi::Control); +"case" L C I(word, Word("case"), tk::Case, hi::Control); +"catch" L C I(word, Word("catch"), tk::Catch, hi::Control); +"continue" L R I(word, Word("continue"), tk::Continue, hi::Control); +"default" L C I(word, Word("default"), tk::Default, hi::Control); +"delete" L C I(word, Word("delete"), tk::Delete, hi::Operator); +"do" L C I(word, Word("do"), tk::Do, hi::Control); +"else" L C I(word, Word("else"), tk::Else, hi::Control); +"finally" L C I(word, Word("finally"), tk::Finally, hi::Control); +"for" L C I(word, Word("for"), tk::For, hi::Control); +"function" L C I(word, Word("function"), yyextra->no_.Function ? tk::Function_ : tk::Function, hi::Meta); +"if" L C I(word, Word("if"), tk::If, hi::Control); +"in" L C I(word, Word("in"), yyextra->in_.top() ? tk::In_ : tk::In, hi::Operator); +"instanceof" L C I(word, Word("instanceof"), tk::InstanceOf, hi::Operator); +"new" L C I(word, Word("new"), tk::New, hi::Operator); +"return" L R I(word, Word("return"), tk::Return, hi::Control); +"switch" L C I(word, Word("switch"), tk::Switch, hi::Control); +"this" L C I(this, This(), tk::This, hi::Constant); +"throw" L R I(word, Word("throw"), tk::Throw, hi::Control); +"try" L C I(word, Word("try"), tk::Try, hi::Control); +"typeof" L C I(word, Word("typeof"), tk::TypeOf, hi::Operator); +"var" L C I(word, Word("var"), tk::Var, hi::Meta); +"void" L C I(word, Word("void"), tk::Void, hi::Operator); +"while" L C I(word, Word("while"), tk::While, hi::Control); +"with" L C I(word, Word("with"), tk::With, hi::Control); + +"debugger" L C I(word, Word("debugger"), tk::Debugger, hi::Meta); + +"const" L C I(word, Word("const"), tk::Const, hi::Meta); + +"class" L C I(word, Word("class"), tk::Class, hi::Meta); +"enum" L C I(word, Word("enum"), tk::Enum, hi::Meta); +"export" L C I(word, Word("export"), tk::Export, hi::Meta); +"extends" L C I(word, Word("extends"), tk::Extends, hi::Meta); +"import" L C I(word, Word("import"), tk::Import, hi::Meta); +"super" L C I(word, Word("super"), tk::Super, hi::Constant); + +"implements" L C I(identifier, Identifier("implements"), tk::Implements, hi::Meta); +"interface" L C I(identifier, Identifier("interface"), tk::Interface, hi::Meta); +"package" L C I(identifier, Identifier("package"), tk::Package, hi::Meta); +"private" L C I(identifier, Identifier("private"), tk::Private, hi::Meta); +"protected" L C I(identifier, Identifier("protected"), tk::Protected, hi::Meta); +"public" L C I(identifier, Identifier("public"), tk::Public, hi::Meta); +"static" L C I(identifier, Identifier("static"), tk::Static, hi::Meta); + +"abstract" L C I(identifier, Identifier("abstract"), tk::Abstract, hi::Meta); +"boolean" L C I(identifier, Identifier("boolean"), tk::Boolean, hi::Type); +"byte" L C I(identifier, Identifier("byte"), tk::Byte, hi::Type); +"char" L C I(identifier, Identifier("char"), tk::Char, hi::Type); +"double" L C I(identifier, Identifier("double"), tk::Double, hi::Type); +"final" L C I(identifier, Identifier("final"), tk::Final, hi::Meta); +"float" L C I(identifier, Identifier("float"), tk::Float, hi::Type); +"goto" L C I(identifier, Identifier("goto"), tk::Goto, hi::Control); +"int" L C I(identifier, Identifier("int"), tk::Int, hi::Type); +"long" L C I(identifier, Identifier("long"), tk::Long, hi::Type); +"native" L C I(identifier, Identifier("native"), tk::Native, hi::Meta); +"short" L C I(identifier, Identifier("short"), tk::Short, hi::Type); +"synchronized" L C I(identifier, Identifier("synchronized"), tk::Synchronized, hi::Meta); +"throws" L C I(identifier, Identifier("throws"), tk::Throws, hi::Meta); +"transient" L C I(identifier, Identifier("transient"), tk::Transient, hi::Meta); +"volatile" L C I(identifier, Identifier("volatile"), tk::Volatile, hi::Meta); + +"let" L C I(identifier, Identifier("let"), tk::Let, hi::Meta); +"yield" L R I(identifier, Identifier("yield"), tk::Yield, hi::Control); + +"each" L C I(identifier, Identifier("each"), tk::Each, hi::Control); +"of" L C I(identifier, Identifier("of"), tk::Of, hi::Operator); @begin E4X -"namespace" L C I(identifier, Identifier("namespace"), tk::Namespace); -"xml" L C I(identifier, Identifier("xml"), tk::XML); +"namespace" L C I(identifier, Identifier("namespace"), tk::Namespace, hi::Meta); +"xml" L C I(identifier, Identifier("xml"), tk::XML, hi::Meta); @end -{IdentifierStart}{IdentifierPart}* L C I(identifier, Identifier(Y), tk::Identifier_); +{UnicodeStart}{UnicodePart}* L C I(identifier, Identifier(Y), tk::Identifier_, hi::Identifier); + +{IdentifierStart}{IdentifierPart}* L C { + char *value(A char[yyleng + 1]); + char *local(value); + + for (yy_size_t i(0), e(yyleng); i != e; ++i) { + char next(yytext[i]); + if (next != '\\') + *local++ = next; + else + U(local, yytext, ++i); + } + + *local = '\0'; + I(identifier, Identifier(value), tk::Identifier_, hi::Identifier); +} -(\.[0-9]+|(0|[1-9][0-9]*)(\.[0-9]*)?){Exponent}? L C I(number, Number(strtod(yytext, NULL)), tk::NumericLiteral); +({IdentifierStart}{IdentifierPart}*)?{IdentifierFail} L E("invalid identifier") -0[xX][0-9a-fA-F]+ L C I(number, Number(strtoull(yytext + 2, NULL, 16)), tk::NumericLiteral); -0[0-7]+ L C I(number, Number(strtoull(yytext + 1, NULL, 8)), tk::NumericLiteral); -0[bB][0-1]+ L C I(number, Number(strtoull(yytext + 2, NULL, 2)), tk::NumericLiteral); +0[0-7]+ L C I(number, Number(strtoull(yytext + 1, NULL, 8)), tk::NumericLiteral, hi::Constant); +0[0-9]+ L C I(number, Number(strtoull(yytext + 1, NULL, 10)), tk::NumericLiteral, hi::Constant); -\"([^"\\\n]|{Escape})*\"|'([^'\\\n]|{Escape})*' L C { +0[xX][0-9a-fA-F]+ L C I(number, Number(strtoull(yytext + 2, NULL, 16)), tk::NumericLiteral, hi::Constant); +0[oO][0-7]+ L C I(number, Number(strtoull(yytext + 2, NULL, 8)), tk::NumericLiteral, hi::Constant); +0[bB][0-1]+ L C I(number, Number(strtoull(yytext + 2, NULL, 2)), tk::NumericLiteral, hi::Constant); + +(\.[0-9]+|(0|[1-9][0-9]*)(\.[0-9]*)?)([eE][+-]?[0-9]+)? L C I(number, Number(strtod(yytext, NULL)), tk::NumericLiteral, hi::Constant); +(\.[0-9]+|(0|[1-9][0-9]*)(\.[0-9]*)?)[eE][+-]?{IdentifierScrap} L E("invalid exponent") +(\.?[0-9]|(0|[1-9][0-9]*)\.){IdentifierScrap} L E("invalid number") + +'{SingleString}'|\"{DoubleString}\" L C { char *value(A char[yyleng]); char *local(value); @@ -346,8 +508,13 @@ XMLName {XMLNameStart}{XMLNamePart}* char next(yytext[i]); if (yytext[i] == '\\') - switch (next = yytext[++i]) { - case '\n': continue; + // XXX: support more line continuation characters + if (false) line: { + yylloc->end.lines(1); + yylloc->end.columns(yyleng - i); + } else switch (next = yytext[++i]) { + case '\n': goto line; + case '\\': next = '\\'; break; case '\'': next = '\''; break; case '"': next = '"'; break; @@ -357,34 +524,52 @@ XMLName {XMLNameStart}{XMLNamePart}* case 'r': next = '\r'; break; case 't': next = '\t'; break; case 'v': next = '\v'; break; - case '0': next = '\0'; break; + + case '0': case '1': case '2': case '3': + if (yytext[i + 1] < '0' || yytext[i + 1] > '7') + next = H(yytext[i]), i += 0; + else if (yytext[i + 2] < '0' || yytext[i + 2] > '7') + next = H(yytext[i]) << 3 | H(yytext[i + 1]), i += 1; + else + next = H(yytext[i]) << 6 | H(yytext[i + 1]) << 3 | H(yytext[i + 2]), i += 2; + break; + + case '4': case '5': case '6': case '7': + if (yytext[i + 1] < '0' || yytext[i + 1] > '7') + next = H(yytext[i]), i += 0; + else + next = H(yytext[i]) << 3 | H(yytext[i + 1]), i += 1; + break; case 'x': - next = H(yytext[i + 1]) << 4 | H(yytext[i + 2]); + U(local, H(yytext[i + 1]) << 4 | H(yytext[i + 2])); i += 2; - break; + continue; + + case 'u': + U(local, yytext, i); + continue; } *local++ = next; } *local = '\0'; - I(string, String(value, local - value), tk::StringLiteral); + I(string, String(value, local - value), tk::StringLiteral, hi::Constant); } -\r?\n|\r|\xe2\x80[\xa8\xa9] yylloc->end.lines(); yylloc->step(); N +{StringPrefix}\\(x.{0,2}|u([^{].{0,3}|\{[^}]*)?|{UnicodeFail})? L E("invalid escape") +{StringPrefix} L E("invalid string") -[ \t] L +{LineTerminatorSequence} yylloc->step(); yylloc->end.lines(); N -<> if (yyextra->auto_) { yyextra->auto_ = false; F(tk::AutoComplete); } L yyterminate(); +{WhiteSpace} L -. L { - CYDriver::Error error; - error.location_ = *yylloc; - error.message_ = "syntax error, unknown token"; - yyextra->errors_.push_back(error); - yyterminate(); -} +<> if (yyextra->auto_) { yyextra->auto_ = false; F(tk::AutoComplete, hi::Nothing); } L yyterminate(); + +@({UnicodeStart}{UnicodeScrap}|{UnicodeFail}) L E("invalid keyword") + +. L E("invalid character") %% @@ -453,3 +638,7 @@ void CYDriver::PushCondition(Condition condition) { void CYDriver::PopCondition() { yy_pop_state(scanner_); } + +#if defined(__clang__) +#pragma clang diagnostic pop +#endif