X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/7c6c5b0ab3404f7de369679744f76f78913876c3..aca28f9662f95e5a1835355830173624a300cd0c:/Cycript.l.in diff --git a/Cycript.l.in b/Cycript.l.in index 7323e25..0d0218f 100644 --- a/Cycript.l.in +++ b/Cycript.l.in @@ -1,72 +1,75 @@ -/* Cycript - Inlining/Optimizing JavaScript Compiler - * Copyright (C) 2009 Jay Freeman (saurik) +/* Cycript - Optimizing JavaScript Compiler/Runtime + * Copyright (C) 2009-2015 Jay Freeman (saurik) */ -/* Modified BSD License {{{ */ +/* GNU Affero General Public License, Version 3 {{{ */ /* - * Redistribution and use in source and binary - * forms, with or without modification, are permitted - * provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the - * above copyright notice, this list of conditions - * and the following disclaimer. - * 2. Redistributions in binary form must reproduce the - * above copyright notice, this list of conditions - * and the following disclaimer in the documentation - * and/or other materials provided with the - * distribution. - * 3. The name of the author may not be used to endorse - * or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, - * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR - * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ + * 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 * +// 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 P yyextra->pool_ +#define A new(P) +#define Y P.strmemdup(yytext, yyleng) + +#define I(type, Type, value, highlight) do { \ + yylval->type ## _ = A CY ## Type; \ + 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(prefix) L C { \ - char *value(reinterpret_cast(apr_palloc(yyextra->pool_, yyleng + sizeof(prefix)))); \ - memcpy(value, prefix, sizeof(prefix) - 1); \ - memcpy(value + sizeof(prefix) - 1, yytext, yyleng); \ - value[yyleng + sizeof(prefix) - 1] = '\0'; \ - yylval->literal_ = new(yyextra->pool_) CYRegEx(value); \ - return tk::RegularExpressionLiteral; \ -} - #define N \ if (yyextra->state_ != CYNewLine) { \ - bool restricted(yyextra->state_ == CYRestricted); \ - if (restricted) { \ - yyextra->state_ = CYClear; \ - return tk::NewLine; \ - } else \ + if (yyextra->state_ != CYRestricted) \ yyextra->state_ = CYNewLine; \ + else { \ + yyextra->state_ = CYClear; \ + F(tk::NewLine, hi::Nothing); \ + } \ } #define V(more) { \ @@ -78,16 +81,30 @@ 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) { @@ -100,19 +117,53 @@ 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; \ } \ } @@ -121,24 +172,60 @@ 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 -IdentifierStart [a-zA-Z$_] -IdentifierPart [a-zA-Z$_0-9] +IdentifierMore [$_] + +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} @@ -158,200 +245,285 @@ XMLName {XMLNameStart}{XMLNamePart}* %% -\/{RegularExpressionBody}\/{RegularExpressionFlags} E("") - -\/\/[^\n]* L -\/\*(\n|[^\*]|\*[^/])*\*\/ V(N) - + /* RegEx {{{ */ +\/{RegularExpressionBody}\/{RegularExpressionFlags} L C I(literal, RegEx(Y), tk::RegularExpressionLiteral, hi::Constant); +\/{RegularExpressionBody}\/{RegularExpressionFlags}{UnicodeFail} L E("invalid flags") +\/{RegularExpressionBody}?\\? L E("unterminated regex") + /* }}} */ + /* Comment {{{ */ +#![^\n]* L M +\/\/[^\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, hi::Comment); +\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*+\/ V(N) M +\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\** V() E("invalid comment") + /* }}} */ + /* Element {{{ */ @begin E4X -"<>" L return tk::LeftRight; -"" L return tk::LeftSlashRight; +"<>" L F(tk::LeftRight, hi::Structure); +"" L F(tk::LeftSlashRight, hi::Structure); -\])*]]> V() return tk::XMLCDATA; -\ V() return tk::XMLComment; -\])*?> V() return tk::XMLPI; +\])*]]> V() F(tk::XMLCDATA, hi::Constant); +\ V() F(tk::XMLComment, hi::Comment); +\])*?> V() F(tk::XMLPI, hi::Meta); -"=" L return tk::Equal; -">" L return tk::Right; -"/>" L return tk::SlashRight; -"{" L return 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() { - return tk::XMLAttributeValue; -} - -{XMLName} L return tk::XMLName; -[ \t\r\n] V() return 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 return tk::OpenBrace; -"<" L return tk::Left; -""{" L F(tk::OpenBrace, hi::Structure); +"<" L F(tk::Left, hi::Structure); +"" 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); + /* }}} */ + /* Keyword {{{ */ +"@error" L C F(tk::AtError, hi::Error); + +@begin Java +"@class" L C F(tk::AtClass, hi::Meta); @end -"&" L C return tk::Ampersand; -"&&" L C return tk::AmpersandAmpersand; -"&=" L C return tk::AmpersandEqual; -"^" L C return tk::Carrot; -"^=" L C return tk::CarrotEqual; -"=" L C return tk::Equal; -"==" L C return tk::EqualEqual; -"===" L C return tk::EqualEqualEqual; -"!" L C return tk::Exclamation; -"!=" L C return tk::ExclamationEqual; -"!==" L C return tk::ExclamationEqualEqual; -"-" L C return tk::Hyphen; -"-=" L C return tk::HyphenEqual; -"--" L C return yylval->newline_ ? tk::HyphenHyphen_ : tk::HyphenHyphen; -"->" L C return tk::HyphenRight; -"<" L C return tk::Left; -"<=" L C return tk::LeftEqual; -"<<" L C return tk::LeftLeft; -"<<=" L C return tk::LeftLeftEqual; -"%" L C return tk::Percent; -"%=" L C return tk::PercentEqual; -"." L C return tk::Period; -"|" L C return tk::Pipe; -"|=" L C return tk::PipeEqual; -"||" L C return tk::PipePipe; -"+" L C return tk::Plus; -"+=" L C return tk::PlusEqual; -"++" L C return yylval->newline_ ? tk::PlusPlus_ : tk::PlusPlus; -">" L C return tk::Right; -">=" L C return tk::RightEqual; -">>" L C return tk::RightRight; -">>=" L C return tk::RightRightEqual; -">>>" L C return tk::RightRightRight; -">>>=" L C return tk::RightRightRightEqual; -"*" L C return tk::Star; -"*=" L C return tk::StarEqual; -"~" L C return tk::Tilde; - -
"/" L C return tk::Slash; -
"/=" L C return tk::SlashEqual; - -":" L C return tk::Colon; -"," L C return tk::Comma; -"?" L C return tk::Question; -";" L C return tk::SemiColon; - -"(" L C return tk::OpenParen; -")" L C return tk::CloseParen; - -"{" L C return tk::OpenBrace; -"}" L C return tk::CloseBrace; - -"[" L C return tk::OpenBracket; -"]" L C return tk::CloseBracket; +@begin C +"@encode" L C F(tk::AtEncode, hi::Meta); +@end @begin ObjectiveC -"@class" L C return tk::AtClass; -"@end" L C return tk::AtEnd; -"@selector" L C return tk::AtSelector; +"@end" L C F(tk::AtEnd, hi::Meta); +"@false" L C F(tk::AtFalse, hi::Constant); +"@implementation" L C F(yyextra->no_.AtImplementation ? tk::AtImplementation_ : tk::AtImplementation, hi::Meta); +"@import" L C F(tk::AtImport, hi::Special); +"@NO" L C F(tk::AtNo, hi::Constant); +"@null" L C F(tk::AtNull, hi::Constant); +"@selector" L C F(tk::AtSelector, hi::Meta); +"@true" L C F(tk::AtTrue, hi::Constant); +"@YES" L C F(tk::AtYes, hi::Constant); @end -"false" L C yylval->false_ = new(yyextra->pool_) CYFalse(); return tk::False; -"null" L C yylval->null_ = new(yyextra->pool_) CYNull(); return tk::Null; -"true" L C yylval->true_ = new(yyextra->pool_) CYTrue(); return tk::True; - -"break" L R yylval->word_ = new(yyextra->pool_) CYWord("break"); return tk::Break; -"case" L C yylval->word_ = new(yyextra->pool_) CYWord("case"); return tk::Case; -"catch" L C yylval->word_ = new(yyextra->pool_) CYWord("catch"); return tk::Catch; -"continue" L R yylval->word_ = new(yyextra->pool_) CYWord("continue"); return tk::Continue; -"default" L C yylval->word_ = new(yyextra->pool_) CYWord("default"); return tk::Default; -"delete" L C yylval->word_ = new(yyextra->pool_) CYWord("delete"); return tk::Delete; -"do" L C yylval->word_ = new(yyextra->pool_) CYWord("do"); return tk::Do; -"else" L C yylval->word_ = new(yyextra->pool_) CYWord("else"); return tk::Else; -"finally" L C yylval->word_ = new(yyextra->pool_) CYWord("finally"); return tk::Finally; -"for" L C yylval->word_ = new(yyextra->pool_) CYWord("for"); return tk::For; -"function" L C yylval->word_ = new(yyextra->pool_) CYWord("function"); return tk::Function; -"if" L C yylval->word_ = new(yyextra->pool_) CYWord("if"); return tk::If; -"in" L C yylval->word_ = new(yyextra->pool_) CYWord("in"); return tk::In; -"instanceof" L C yylval->word_ = new(yyextra->pool_) CYWord("instanceof"); return tk::InstanceOf; -"new" L C yylval->word_ = new(yyextra->pool_) CYWord("new"); return tk::New; -"return" L R yylval->word_ = new(yyextra->pool_) CYWord("return"); return tk::Return; -"switch" L C yylval->word_ = new(yyextra->pool_) CYWord("switch"); return tk::Switch; -"this" L C yylval->this_ = new(yyextra->pool_) CYThis(); return tk::This; -"throw" L R yylval->word_ = new(yyextra->pool_) CYWord("throw"); return tk::Throw; -"try" L C yylval->word_ = new(yyextra->pool_) CYWord("try"); return tk::Try; -"typeof" L C yylval->word_ = new(yyextra->pool_) CYWord("typeof"); return tk::TypeOf; -"var" L C yylval->word_ = new(yyextra->pool_) CYWord("var"); return tk::Var; -"void" L C yylval->word_ = new(yyextra->pool_) CYWord("void"); return tk::Void; -"while" L C yylval->word_ = new(yyextra->pool_) CYWord("while"); return tk::While; -"with" L C yylval->word_ = new(yyextra->pool_) CYWord("with"); return tk::With; - -"debugger" L C yylval->word_ = new(yyextra->pool_) CYWord("debugger"); return tk::Debugger; - -"const" L C yylval->word_ = new(yyextra->pool_) CYWord("const"); return tk::Const; - -"class" L C yylval->word_ = new(yyextra->pool_) CYWord("class"); return tk::Class; -"enum" L C yylval->word_ = new(yyextra->pool_) CYWord("enum"); return tk::Enum; -"export" L C yylval->word_ = new(yyextra->pool_) CYWord("export"); return tk::Export; -"extends" L C yylval->word_ = new(yyextra->pool_) CYWord("extends"); return tk::Extends; -"import" L C yylval->word_ = new(yyextra->pool_) CYWord("import"); return tk::Import; -"super" L C yylval->word_ = new(yyextra->pool_) CYWord("super"); return tk::Super; - -"implements" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("implements"); return tk::Implements; -"interface" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("interface"); return tk::Interface; -"package" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("package"); return tk::Package; -"private" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("private"); return tk::Private; -"protected" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("protected"); return tk::Protected; -"public" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("public"); return tk::Public; -"static" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("static"); return tk::Static; - -"abstract" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("abstract"); return tk::Abstract; -"boolean" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("boolean"); return tk::Boolean; -"byte" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("byte"); return tk::Byte; -"char" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("char"); return tk::Char; -"double" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("double"); return tk::Double; -"final" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("final"); return tk::Final; -"float" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("float"); return tk::Float; -"goto" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("goto"); return tk::Goto; -"int" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("int"); return tk::Int; -"long" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("long"); return tk::Long; -"native" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("native"); return tk::Native; -"short" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("short"); return tk::Short; -"synchronized" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("synchronized"); return tk::Synchronized; -"throws" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("throws"); return tk::Throws; -"transient" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("transient"); return tk::Transient; -"volatile" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("volatile"); return tk::Volatile; - -"let" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("let"); return tk::Let; -"yield" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("yield"); return tk::Yield; - -"each" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("each"); return tk::Each; +@({UnicodeStart}{UnicodeScrap}|{UnicodeFail}) L E("invalid keyword") + /* }}} */ + /* Highlight {{{ */ +"undefined" L C I(identifier, Identifier("undefined"), tk::Identifier_, hi::Operator); -@begin E4X -"namespace" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("namespace"); return tk::Namespace; -"xml" L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier("xml"); return tk::XML; +@begin ObjectiveC +"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); +"nil" L C I(identifier, Identifier("nil"), tk::Identifier_, hi::Constant); +"NULL" L C I(identifier, Identifier("NULL"), tk::Identifier_, hi::Constant); +"SEL" L C I(identifier, Identifier("SEL"), tk::Identifier_, hi::Type); +@end + /* }}} */ + /* Reserved {{{ */ +"abstract" L C /*FII*/ I(identifier, Identifier("abstract"), tk::Abstract, hi::Meta); +"await" L C /*II?*/ I(identifier, Identifier("await"), tk::Await, hi::Meta); +"boolean" L C /*FII*/ I(identifier, Identifier("boolean"), tk::Boolean, hi::Type); +"break" L R /*KKK*/ F(tk::Break, hi::Control); +"byte" L C /*FII*/ I(identifier, Identifier("byte"), tk::Byte, hi::Type); +"case" L C /*KKK*/ F(tk::Case, hi::Control); +"catch" L C /*KKK*/ F(tk::Catch, hi::Control); +"char" L C /*FII*/ I(identifier, Identifier("char"), tk::Char, hi::Type); +"class" L C /*FFK*/ F(tk::Class, hi::Meta); +"const" L C /*FFK*/ F(tk::Const, hi::Meta); +"continue" L R /*KKK*/ F(tk::Continue, hi::Control); +"debugger" L C /*FKK*/ F(tk::Debugger, hi::Meta); +"default" L C /*KKK*/ F(tk::Default, hi::Control); +"delete" L C /*KKK*/ F(tk::Delete, hi::Operator); +"do" L C /*KKK*/ F(tk::Do, hi::Control); +"double" L C /*FII*/ I(identifier, Identifier("double"), tk::Double, hi::Type); +"else" L C /*KKK*/ F(tk::Else, hi::Control); +"enum" L C /*FFF*/ F(tk::Enum, hi::Meta); +"export" L C /*FFK*/ F(tk::Export, hi::Meta); +"extends" L C /*FFK*/ F(tk::Extends, hi::Meta); +"false" L C /*LLL*/ F(tk::False, hi::Constant); +"final" L C /*FII*/ I(identifier, Identifier("final"), tk::Final, hi::Meta); +"finally" L C /*KKK*/ F(tk::Finally, hi::Control); +"float" L C /*FII*/ I(identifier, Identifier("float"), tk::Float, hi::Type); +"for" L C /*KKK*/ F(tk::For, hi::Control); +"function" L C /*KKK*/ F(yyextra->no_.Function ? tk::Function_ : tk::Function, hi::Meta); +"goto" L C /*FII*/ I(identifier, Identifier("goto"), tk::Goto, hi::Control); +"if" L C /*KKK*/ F(tk::If, hi::Control); +"implements" L C /*FSS*/ I(identifier, Identifier("implements"), tk::Implements, hi::Meta); +"import" L C /*FFK*/ F(tk::Import, hi::Meta); +"in" L C /*KKK*/ F(yyextra->in_.top() ? tk::In_ : tk::In, hi::Operator); +"instanceof" L C /*KKK*/ F(tk::InstanceOf, hi::Operator); +"int" L C /*FII*/ I(identifier, Identifier("int"), tk::Int, hi::Type); +"interface" L C /*FSS*/ I(identifier, Identifier("interface"), tk::Interface, hi::Meta); +"let" L C /*IS?*/ I(identifier, Identifier("let"), tk::Let, hi::Meta); +"long" L C /*FII*/ I(identifier, Identifier("long"), tk::Long, hi::Type); +"native" L C /*FII*/ I(identifier, Identifier("native"), tk::Native, hi::Meta); +"new" L C /*KKK*/ F(tk::New, hi::Operator); +"null" L C /*LLL*/ F(tk::Null, hi::Constant); +"package" L C /*FSS*/ I(identifier, Identifier("package"), tk::Package, hi::Meta); +"private" L C /*FSS*/ I(identifier, Identifier("private"), tk::Private, hi::Meta); +"protected" L C /*FSS*/ I(identifier, Identifier("protected"), tk::Protected, hi::Meta); +"public" L C /*FSS*/ I(identifier, Identifier("public"), tk::Public, hi::Meta); +"return" L R /*KKK*/ F(tk::Return, hi::Control); +"short" L C /*FII*/ I(identifier, Identifier("short"), tk::Short, hi::Type); +"static" L C /*FS?*/ I(identifier, Identifier("static"), tk::Static, hi::Meta); +"super" L C /*FFK*/ F(tk::Super, hi::Constant); +"switch" L C /*KKK*/ F(tk::Switch, hi::Control); +"synchronized" L C /*FII*/ I(identifier, Identifier("synchronized"), tk::Synchronized, hi::Meta); +"this" L C /*KKK*/ F(tk::This, hi::Constant); +"throw" L R /*KKK*/ F(tk::Throw, hi::Control); +"throws" L C /*FII*/ I(identifier, Identifier("throws"), tk::Throws, hi::Meta); +"transient" L C /*FII*/ I(identifier, Identifier("transient"), tk::Transient, hi::Meta); +"true" L C /*LLL*/ F(tk::True, hi::Constant); +"try" L C /*KKK*/ F(tk::Try, hi::Control); +"typeof" L C /*KKK*/ F(tk::TypeOf, hi::Operator); +"var" L C /*KKK*/ F(tk::Var, hi::Meta); +"void" L C /*KKK*/ F(tk::Void, hi::Operator); +"volatile" L C /*FII*/ I(identifier, Identifier("volatile"), tk::Volatile, hi::Meta); +"while" L C /*KKK*/ F(tk::While, hi::Control); +"with" L C /*KKK*/ F(tk::With, hi::Control); +"yield" L R /*IS?*/ I(identifier, Identifier("yield"), tk::Yield, hi::Control); + +"auto" L C F(tk::Auto, hi::Meta); +"each" L C I(identifier, Identifier("each"), tk::Each, hi::Control); +"of" L C I(identifier, Identifier("of"), tk::Of, hi::Operator); + +@begin C +"extern" L C I(identifier, Identifier("extern"), tk::Extern, hi::Type); +"signed" L C I(identifier, Identifier("signed"), tk::Signed, hi::Type); +"typedef" L C I(identifier, Identifier("typedef"), tk::Typedef, hi::Meta); +"unsigned" L C I(identifier, Identifier("unsigned"), tk::Unsigned, hi::Type); @end -{IdentifierStart}{IdentifierPart}* L C yylval->identifier_ = new(yyextra->pool_) CYIdentifier(apr_pstrmemdup(yyextra->pool_, yytext, yyleng)); return tk::Identifier_; +@begin ObjectiveC +"NO" L C I(identifier, Identifier("NO"), tk::No, hi::Constant); +"YES" L C I(identifier, Identifier("YES"), tk::Yes, hi::Constant); +@end + +@begin E4X +"namespace" L C I(identifier, Identifier("namespace"), tk::Namespace, hi::Meta); +"xml" L C I(identifier, Identifier("xml"), tk::XML, hi::Meta); +@end + /* }}} */ + /* Identifier {{{ */ +{UnicodeStart}{UnicodePart}* L C I(identifier, Identifier(Y), tk::Identifier_, hi::Identifier); -(\.[0-9]+|(0|[1-9][0-9]*)(\.[0-9]*)?){Exponent}? L C yylval->number_ = new(yyextra->pool_) CYNumber(strtod(yytext, NULL)); return tk::NumericLiteral; +{IdentifierStart}{IdentifierPart}* L C { + char *value(A char[yyleng + 1]); + char *local(value); -0[xX][0-9a-fA-F]+ L C yylval->number_ = new(yyextra->pool_) CYNumber(strtoull(yytext + 2, NULL, 16)); return tk::NumericLiteral; + for (yy_size_t i(0), e(yyleng); i != e; ++i) { + char next(yytext[i]); + if (next != '\\') + *local++ = next; + else + U(local, yytext, ++i); + } -0[bB][0-1]+ L C yylval->number_ = new(yyextra->pool_) CYNumber(strtoull(yytext + 2, NULL, 2)); return tk::NumericLiteral; + *local = '\0'; + I(identifier, Identifier(value), tk::Identifier_, hi::Identifier); +} -\"([^"\\\n]|{Escape})*\"|'([^'\\\n]|{Escape})*' L C { - char *value(reinterpret_cast(apr_palloc(yyextra->pool_, yyleng))); +({IdentifierStart}{IdentifierPart}*)?{IdentifierFail} L E("invalid identifier") + /* }}} */ + /* Number {{{ */ +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); + +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") + /* }}} */ + /* String {{{ */ +'{SingleString}'|\"{DoubleString}\" L C { + char *value(A char[yyleng]); char *local(value); - for (int i(1); i != yyleng - 1; ++i) { + for (yy_size_t i(1), e(yyleng - 1); i != e; ++i) { 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; @@ -361,34 +533,50 @@ 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'; - yylval->string_ = new(yyextra->pool_) CYString(value, local - value); - return tk::StringLiteral; + I(string, String(value, local - value), tk::StringLiteral, hi::Constant); } -\r?\n 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 -<> L yyterminate(); +{LineTerminatorSequence} yylloc->step(); yylloc->end.lines(); N +{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(); + +. L E("invalid character") %% @@ -457,3 +645,7 @@ void CYDriver::PushCondition(Condition condition) { void CYDriver::PopCondition() { yy_pop_state(scanner_); } + +#if defined(__clang__) +#pragma clang diagnostic pop +#endif