Merge adapter into callback, removing indirection.

[cycript.git] / Cycript.l.in

diff --git a/Cycript.l.in b/Cycript.l.in
index f3201bb7f5a7383b2d4240b6f357c3186ae8df11..4878a2550792ba493054a73fce362de830582e84 100644 (file)
--- a/Cycript.l.in
+++ b/Cycript.l.in
@@ -1,36 +1,77 @@
+/* Cycript - Optimizing JavaScript Compiler/Runtime
+ * Copyright (C) 2009-2015  Jay Freeman (saurik)
+*/
+
+/* GNU Affero General Public License, Version 3 {{{ */
+/*
+ * 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 <http://www.gnu.org/licenses/>.
+**/
+/* }}} */
+
+/* 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 */
+

 %{
 %{

-// 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 "Cycript.tab.hh"
 typedef cy::parser::token tk;
 

+#include "Highlight.hpp"
+

 #define YY_EXTRA_TYPE CYDriver *
 
 #define YY_EXTRA_TYPE CYDriver *
 

-#define T yylval->newline_ = yyextra->state_ == CYNewLine;
+// 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 $pool.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 C T yyextra->state_ = CYClear;
 #define R T yyextra->state_ = CYRestricted;
 

-#define E(prefix) L C BEGIN(INITIAL); { \
-    char *value(reinterpret_cast<char *>(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) { \
 #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; \
             yyextra->state_ = CYNewLine; \

+        else { \
+            yyextra->state_ = CYClear; \
+            F(tk::NewLine, hi::Nothing); \
+        } \

     }
 
     }
 

-#define M { \
+#define V(more) { \

     if (const char *nl = reinterpret_cast<const char *>(memchr(yytext, '\n', yyleng))) { \
         unsigned lines(0); \
         size_t left; \
     if (const char *nl = reinterpret_cast<const char *>(memchr(yytext, '\n', yyleng))) { \
         unsigned lines(0); \
         size_t left; \


@@ -39,16 +80,22 @@ typedef cy::parser::token tk;
             left = yyleng - (nl - yytext) - 1; \
             nl = reinterpret_cast<const char *>(memchr(nl + 1, '\n', left)); \
         } while (nl != NULL); \
             left = yyleng - (nl - yytext) - 1; \
             nl = reinterpret_cast<const char *>(memchr(nl + 1, '\n', left)); \
         } while (nl != NULL); \

+        yylloc->step(); \

         yylloc->end.lines(lines); \
         yylloc->end.columns(left); \
         yylloc->end.lines(lines); \
         yylloc->end.columns(left); \

-        yylloc->step(); \
-        N \
+        more \

     } else L \
 }
 
 #define L { \
     yylloc->step(); \
     } 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); \
+    } \

 }
 
 int H(char c) {
 }
 
 int H(char c) {


@@ -62,17 +109,12 @@ int H(char c) {
 }
 
 #define YY_INPUT(data, value, size) { \
 }
 
 #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 { \
         value = YY_NULL; \
     else { \

-        size_t copy(std::min(size, 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; \

     } \
 }
 
     } \
 }
 


@@ -84,8 +126,10 @@ int H(char c) {
 %option noyywrap
 %option yylineno
 %option nounput
 %option noyywrap
 %option yylineno
 %option nounput

-%option interactive
+%option batch
+%option never-interactive

 %option reentrant
 %option reentrant

+%option stack

 
 Exponent [eE][+-]?[0-9]+
 Escape   \\[\\'"bfnrtv]|\\0|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}|\\\n
 
 Exponent [eE][+-]?[0-9]+
 Escape   \\[\\'"bfnrtv]|\\0|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}|\\\n


@@ -99,184 +143,252 @@ RegularExpressionFirstChar [^\n*\\/]|{BackslashSequence}
 RegularExpressionChar [^\n\\/]|{BackslashSequence}
 RegularExpressionFlags {IdentifierPart}*
 RegularExpressionChars {RegularExpressionChar}*
 RegularExpressionChar [^\n\\/]|{BackslashSequence}
 RegularExpressionFlags {IdentifierPart}*
 RegularExpressionChars {RegularExpressionChar}*

-RegularExpressionBody_ {RegularExpressionChars}
-RegularExpressionBody {RegularExpressionFirstChar}{RegularExpressionBody_}
+RegularExpressionBody {RegularExpressionFirstChar}{RegularExpressionChars}

 
 

-RegularExpressionEnd_ \/{RegularExpressionFlags}
-RegularExpressionRest_ {RegularExpressionBody_}{RegularExpressionEnd_}
-RegularExpressionStart_ {RegularExpressionBody}{RegularExpressionEnd_}
+@begin E4X
+XMLNameStart [a-zA-Z_:]
+XMLNamePart [a-zA-Z0-9.-_:]
+XMLName {XMLNameStart}{XMLNamePart}*
+@end
+
+%s Div
+%s RegExp

 
 

-%x RegExp
-%x RegExpSlash
-%x RegExpSlashEqual
-%x RegExpSlashRight
+@begin E4X
+%x XMLContent
+%x XMLTag
+@end

 
 %%
 
 
 %%
 

-<RegExpSlash>{RegularExpressionStart_} E("/")
-<RegExpSlashEqual>{RegularExpressionRest_} E("/=")
-<RegExpSlashRight>{RegularExpressionRest_} E("/>")
+<RegExp>\/{RegularExpressionBody}\/{RegularExpressionFlags} L C I(literal, RegEx(Y), tk::RegularExpressionLiteral, hi::Constant);

 
 

-\/\/[^\n]* L
-\/\*(\n|[^\*]|\*[^/])*\*\/ M
+#![^\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

 
 @begin E4X
 
 @begin E4X

-<RegExp>\<!--(\n|[^-]|-[^-])*--> 
-<RegExp>\<!\[CDATA\[(\n|[^[]|\[[^[]|\[\[[^>])*]]> 
-<RegExp>\<?(\n|[^?]|\?[^>])*?> 
-
-"@"    L C return tk::At;
-"::"   L C return tk::ColonColon;
-"<>"   L C return tk::LeftRight;
-"</>"  L C return tk::LeftSlashRight;
-".."   L C return tk::PeriodPeriod;
-"/>"   L C return tk::SlashRight;
+<RegExp>"<>"      L F(tk::LeftRight, hi::Structure);
+<XMLContent>"</>" L F(tk::LeftSlashRight, hi::Structure);
+
+<RegExp,XMLContent>\<!\[CDATA\[(\n|[^[]|\[[^[]|\[\[[^>])*]]> V() F(tk::XMLCDATA, hi::Constant);
+<RegExp,XMLContent>\<!--(\n|[^-]|-[^-])*--> V() F(tk::XMLComment, hi::Comment);
+<RegExp,XMLContent>\<?(\n|[^?]|\?[^>])*?> V() F(tk::XMLPI, hi::Meta);
+
+<XMLTag>"="  L F(tk::Equal, hi::Structure);
+<XMLTag>">"  L F(tk::Right, hi::Structure);
+<XMLTag>"/>" L F(tk::SlashRight, hi::Structure);
+<XMLTag>"{"  L F(tk::OpenBrace, hi::Structure);
+
+<XMLTag>\"(\n|[^"])*\"|'(\n|[^'])*' V() F(tk::XMLAttributeValue, hi::Constant);
+<XMLTag>{XMLName} L F(tk::XMLName, hi::Identifier);
+<XMLTag>[ \t\r\n] V() F(tk::XMLWhitespace, hi::Nothing);
+
+<XMLContent>"{"  L F(tk::OpenBrace, hi::Structure);
+<XMLContent>"<"  L F(tk::Left, hi::Structure);
+<XMLContent>"</" L F(tk::LeftSlash, hi::Structure);

 @end
 
 @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::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;
+"..."  L C F(tk::PeriodPeriodPeriod, hi::Meta);
+
+@begin E4X
+"::"   L C F(tk::ColonColon, hi::Operator);
+".."   L C F(tk::PeriodPeriod, hi::Operator);
+@end
+
+@begin E4X ObjectiveC
+"@"    L C F(tk::At, hi::Operator);
+"#"    L C F(tk::Pound, hi::Operator);
+@end
+
+"&"    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(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);
+
+<Div>"/"  L C F(tk::Slash, hi::Operator);
+<Div>"/=" 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, 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
 
 @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);
+"@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 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
 
 @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;
-
-{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;
+"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 C 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, hi::Meta);
+"xml"          L C I(identifier, Identifier("xml"), tk::XML, hi::Meta);
+@end
+
+{IdentifierStart}{IdentifierPart}* L C I(identifier, Identifier(Y), tk::Identifier_, hi::Identifier);
+
+(\.[0-9]+|(0|[1-9][0-9]*)(\.[0-9]*)?){Exponent}? L C I(number, Number(strtod(yytext, NULL)), 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[0-7]+ L C I(number, Number(strtoull(yytext + 1, NULL, 8)), tk::NumericLiteral, hi::Constant);
+0[bB][0-1]+ L C I(number, Number(strtoull(yytext + 2, NULL, 2)), tk::NumericLiteral, hi::Constant);

 
 \"([^"\\\n]|{Escape})*\"|'([^'\\\n]|{Escape})*' L C {
 
 \"([^"\\\n]|{Escape})*\"|'([^'\\\n]|{Escape})*' L C {

-    char *value(reinterpret_cast<char *>(apr_palloc(yyextra->pool_, yyleng)));
+    char *value(A char[yyleng]);

     char *local(value);
 
     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] == '\\')
         char next(yytext[i]);
 
         if (yytext[i] == '\\')


@@ -303,14 +415,14 @@ RegularExpressionStart_ {RegularExpressionBody}{RegularExpressionEnd_}
     }
 
     *local = '\0';
     }
 
     *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
+\r?\n|\r|\xe2\x80[\xa8\xa9] yylloc->step(); yylloc->end.lines(); N

 
 [ \t] L
 
 [ \t] L

-<<EOF>> L yyterminate();
+
+<<EOF>> if (yyextra->auto_) { yyextra->auto_ = false; F(tk::AutoComplete, hi::Nothing); } L yyterminate();

 
 . L {
     CYDriver::Error error;
 
 . L {
     CYDriver::Error error;


@@ -331,20 +443,63 @@ void CYDriver::ScannerDestroy() {
     cylex_destroy(scanner_);
 }
 
     cylex_destroy(scanner_);
 }
 

+CYDriver::Condition CYDriver::GetCondition() {
+    switch (yy_top_state(scanner_)) {
+        case RegExp:
+            return RegExpCondition;
+@begin E4X
+        case XMLContent:
+            return XMLContentCondition;
+        case XMLTag:
+            return XMLTagCondition;
+@end
+        default:
+            _assert(false);
+    }
+}
+

 void CYDriver::SetCondition(Condition condition) {
     struct yyguts_t *yyg(reinterpret_cast<struct yyguts_t *>(scanner_));
 
     switch (condition) {
 void CYDriver::SetCondition(Condition condition) {
     struct yyguts_t *yyg(reinterpret_cast<struct yyguts_t *>(scanner_));
 
     switch (condition) {

-        case RegExpSlash:
-            BEGIN(RegExpSlash);
+        case RegExpCondition:
+            BEGIN(RegExp);

             break;
             break;

-        case RegExpSlashEqual:
-            BEGIN(RegExpSlashEqual);
+@begin E4X
+        case XMLContentCondition:
+            BEGIN(XMLContent);

             break;
             break;

-        case RegExpSlashRight:
-            BEGIN(RegExpSlashRight);
+        case XMLTagCondition:
+            BEGIN(XMLTag);

             break;
             break;

+@end

         default:
             _assert(false);
     }
 }
         default:
             _assert(false);
     }
 }

+
+void CYDriver::PushCondition(Condition condition) {
+    switch (condition) {
+        case RegExpCondition:
+            yy_push_state(RegExp, scanner_);
+            break;
+@begin E4X
+        case XMLContentCondition:
+            yy_push_state(XMLContent, scanner_);
+            break;
+        case XMLTagCondition:
+            yy_push_state(XMLTag, scanner_);
+            break;
+@end
+        default:
+            _assert(false);
+    }
+}
+
+void CYDriver::PopCondition() {
+    yy_pop_state(scanner_);
+}
+
+#if defined(__clang__)
+#pragma clang diagnostic pop
+#endif