-\/\/[^\n]* ;
-\/\*(\n|[^\*]|\*[^/])\*\/ if (memchr(yytext, '\n', yyleng) != NULL) N // XXX: supposedly I will be screwed on very very long multi-line comments and need to replace this with a manual lexer. http://websrv.cs.fsu.edu/~engelen/courses/COP5621/Pr2.pdf ; XXX: this rule doesn't work anyway, fucking A :(
-
-"&" C return tk::Ampersand;
-"&&" C return tk::AmpersandAmpersand;
-"&=" C return tk::AmpersandEqual;
-"^" C return tk::Carrot;
-"^=" C return tk::CarrotEqual;
-"=" C return tk::Equal;
-"==" C return tk::EqualEqual;
-"===" C return tk::EqualEqualEqual;
-"!" C return tk::Exclamation;
-"!=" C return tk::ExclamationEqual;
-"!==" C return tk::ExclamationEqualEqual;
-"-" C return tk::Hyphen;
-"-=" C return tk::HyphenEqual;
-"--" C return yylval->newline_ ? tk::HyphenHyphen_ : tk::HyphenHyphen;
-"->" C return tk::HyphenRight;
-"<" C return tk::Left;
-"<=" C return tk::LeftEqual;
-"<<" C return tk::LeftLeft;
-"<<=" C return tk::LeftLeftEqual;
-"%" C return tk::Percent;
-"%=" C return tk::PercentEqual;
-"." C return tk::Period;
-"|" C return tk::Pipe;
-"|=" C return tk::PipeEqual;
-"||" C return tk::PipePipe;
-"+" C return tk::Plus;
-"+=" C return tk::PlusEqual;
-"++" C return yylval->newline_ ? tk::PlusPlus_ : tk::PlusPlus;
-">" C return tk::Right;
-">=" C return tk::RightEqual;
-">>" C return tk::RightRight;
-">>=" C return tk::RightRightEqual;
-">>>" C return tk::RightRightRight;
-">>>=" C return tk::RightRightRightEqual;
-"/" C return tk::Slash;
-"/=" C return tk::SlashEqual;
-"*" C return tk::Star;
-"*=" C return tk::StarEqual;
-"~" C return tk::Tilde;
-
-":" C return tk::Colon;
-"," C return tk::Comma;
-"?" C return tk::Question;
-";" C return tk::SemiColon;
-
-"(" C return tk::OpenParen;
-")" C return tk::CloseParen;
-
-"{" C return tk::OpenBrace;
-"}" C return tk::CloseBrace;
-
-"[" C return tk::OpenBracket;
-"]" C return tk::CloseBracket;
-
-"break" R yylval->word_ = new CYWord("break"); return tk::Break;
-"case" C yylval->word_ = new CYWord("case"); return tk::Case;
-"catch" C yylval->word_ = new CYWord("catch"); return tk::Catch;
-"continue" R yylval->word_ = new CYWord("continue"); return tk::Continue;
-"default" C yylval->word_ = new CYWord("default"); return tk::Default;
-"delete" C yylval->word_ = new CYWord("delete"); return tk::Delete;
-"do" C yylval->word_ = new CYWord("do"); return tk::Do;
-"else" C yylval->word_ = new CYWord("else"); return tk::Else;
-"false" C yylval->false_ = new CYFalse(); return tk::False;
-"finally" C yylval->word_ = new CYWord("finally"); return tk::Finally;
-"for" C yylval->word_ = new CYWord("for"); return tk::For;
-"function" C yylval->word_ = new CYWord("function"); return tk::Function;
-"if" C yylval->word_ = new CYWord("if"); return tk::If;
-"in" C yylval->word_ = new CYWord("in"); return tk::In;
-"instanceof" C yylval->word_ = new CYWord("instanceof"); return tk::InstanceOf;
-"new" C yylval->word_ = new CYWord("new"); return tk::New;
-"null" C yylval->null_ = new CYNull(); return tk::Null;
-"return" R yylval->word_ = new CYWord("return"); return tk::Return;
-"switch" C yylval->word_ = new CYWord("switch"); return tk::Switch;
-"this" C yylval->this_ = new CYThis(); return tk::This;
-"throw" R yylval->word_ = new CYWord("throw"); return tk::Throw;
-"true" C yylval->true_ = new CYTrue(); return tk::True;
-"try" C yylval->word_ = new CYWord("try"); return tk::Try;
-"typeof" C yylval->word_ = new CYWord("typeof"); return tk::TypeOf;
-"var" C yylval->word_ = new CYWord("var"); return tk::Var;
-"void" C yylval->word_ = new CYWord("void"); return tk::Void;
-"while" C yylval->word_ = new CYWord("while"); return tk::While;
-"with" C yylval->word_ = new CYWord("with"); return tk::With;
-
-[a-zA-Z$_][a-zA-Z$_0-9]* yylval->identifier_ = new CYIdentifier(apr_pstrmemdup(yyextra->pool_, yytext, yyleng)); C return tk::Identifier;
-
-(\.[0-9]+|(0|[1-9][0-9]*)(\.[0-9]*)?){Exponent}? yylval->number_ = new CYNumber(strtod(yytext, NULL)); C return tk::NumericLiteral;
-
-0[xX][0-9a-fA-F]+ C yylval->number_ = new CYNumber(strtoull(yytext + 2, NULL, 16)); return tk::NumericLiteral;
-
-0[bB][0-1]+ C yylval->number_ = new CYNumber(strtoull(yytext + 2, NULL, 2)); return tk::NumericLiteral;
-
-\"([^"\\\n]|{Escape})*\" C return tk::StringLiteral;
-'([^'\\\n]|{Escape})*' C return tk::StringLiteral;
-
-\n N
-[ \t] ;
+<res>{RegularExpressionStart_} E("/")
+<rer>{RegularExpressionRest_} E("/=")
+
+\/\/[^\n]* L
+
+\/\*(\n|[^\*]|\*[^/])*\*\/ {
+ // XXX: supposedly I will be screwed on very very long multi-line comments and need to replace this with a manual lexer. http://websrv.cs.fsu.edu/~engelen/courses/COP5621/Pr2.pdf
+
+ if (const char *nl = reinterpret_cast<const char *>(memchr(yytext, '\n', yyleng))) {
+ unsigned lines(0);
+ size_t left;
+
+ do {
+ ++lines;
+ left = yyleng - (nl - yytext) - 1;
+ nl = reinterpret_cast<const char *>(memchr(nl + 1, '\n', left));
+ } while (nl != NULL);
+
+ yylloc->end.lines(lines);
+ yylloc->end.columns(left);
+ yylloc->step();
+
+ N
+ } else L
+}
+
+"@" L C return tk::At;
+
+"&" 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::Slash;
+"/=" L C return tk::SlashEqual;
+"*" L C return tk::Star;
+"*=" L C return tk::StarEqual;
+"~" L C return tk::Tilde;
+
+":" 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;
+
+"@class" L C return tk::AtClass;
+"@end" L C return tk::AtEnd;
+"@selector" L C return tk::AtSelector;
+
+"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;
+
+{IdentifierStart}{IdentifierPart}* yylval->identifier_ = new(yyextra->pool_) CYIdentifier(apr_pstrmemdup(yyextra->pool_, yytext, yyleng)); L C return tk::Identifier_;
+
+(\.[0-9]+|(0|[1-9][0-9]*)(\.[0-9]*)?){Exponent}? yylval->number_ = new(yyextra->pool_) CYNumber(strtod(yytext, NULL)); L C return tk::NumericLiteral;
+
+0[xX][0-9a-fA-F]+ L C yylval->number_ = new(yyextra->pool_) CYNumber(strtoull(yytext + 2, NULL, 16)); return tk::NumericLiteral;
+
+0[bB][0-1]+ L C yylval->number_ = new(yyextra->pool_) CYNumber(strtoull(yytext + 2, NULL, 2)); return tk::NumericLiteral;
+
+\"([^"\\\n]|{Escape})*\"|'([^'\\\n]|{Escape})*' L C {
+ char *value(reinterpret_cast<char *>(apr_palloc(yyextra->pool_, yyleng)));
+ char *local(value);
+
+ for (int i(1); i != yyleng - 1; ++i) {
+ char next(yytext[i]);
+
+ if (yytext[i] == '\\')
+ switch (next = yytext[++i]) {
+ case '\n': continue;
+ case '\\': next = '\\'; break;
+ case '\'': next = '\''; break;
+ case '"': next = '"'; break;
+ case 'b': next = '\b'; break;
+ case 'f': next = '\f'; break;
+ case 'n': next = '\n'; break;
+ case 'r': next = '\r'; break;
+ case 't': next = '\t'; break;
+ case 'v': next = '\v'; break;
+ case '0': next = '\0'; break;
+
+ case 'x':
+ next = H(yytext[i + 1]) << 4 | H(yytext[i + 2]);
+ i += 2;
+ break;
+ }
+
+ *local++ = next;
+ }
+
+ *local = '\0';
+ yylval->string_ = new(yyextra->pool_) CYString(value, local - value);
+ return tk::StringLiteral;
+}
+
+\r?\n yylloc->end.lines(); yylloc->step(); N
+
+[ \t] L
+<<EOF>> L yyterminate();
+
+. L {
+ CYDriver::Error error;
+ error.location_ = *yylloc;
+ error.message_ = "syntax error, unknown token";
+ yyextra->errors_.push_back(error);
+ yyterminate();
+}