X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/066da9f6509588c09b1fd2a9ec6872303af4af3c..12e37ba3b9b322dd5b0483b45008e78e12aaa670:/Cycript.l.in

diff --git a/Cycript.l.in b/Cycript.l.in
index b53159c..85db0e8 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 <http://www.gnu.org/licenses/>.
+ * 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 */
 
 %{
-#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<const char *>(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) {
@@ -89,18 +117,12 @@ int H(char c) {
 }
 
 #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; \
     } \
 }
 
@@ -109,14 +131,23 @@ 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]+
+%option full
+%option ecs
+%option align
+
 Escape   \\[\\'"bfnrtv]|\\0|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}|\\\n
 
 IdentifierStart [a-zA-Z$_]
@@ -146,197 +177,234 @@ XMLName {XMLNameStart}{XMLNamePart}*
 
 %%
 
-<RegExp>\/{RegularExpressionBody}\/{RegularExpressionFlags} E
+<RegExp>\/{RegularExpressionBody}\/{RegularExpressionFlags} L C I(literal, RegEx(Y), tk::RegularExpressionLiteral, hi::Constant);
+<RegExp>\/{RegularExpressionBody}?\\? L E("unterminated regex")
 
-\/\/[^\n]* L
+#![^\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);
-\/\*([^*]|[\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
-<RegExp>"<>"      L F(tk::LeftRight);
-<XMLContent>"</>" L F(tk::LeftSlashRight);
+<RegExp>"<>"      L F(tk::LeftRight, hi::Structure);
+<XMLContent>"</>" L F(tk::LeftSlashRight, hi::Structure);
 
-<RegExp,XMLContent>\<!\[CDATA\[(\n|[^[]|\[[^[]|\[\[[^>])*]]> V() F(tk::XMLCDATA);
-<RegExp,XMLContent>\<!--(\n|[^-]|-[^-])*--> V() F(tk::XMLComment);
-<RegExp,XMLContent>\<?(\n|[^?]|\?[^>])*?> V() F(tk::XMLPI);
+<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);
-<XMLTag>">"  L F(tk::Right);
-<XMLTag>"/>" L F(tk::SlashRight);
-<XMLTag>"{"  L F(tk::OpenBrace);
+<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);
-<XMLTag>{XMLName} L F(tk::XMLName);
-<XMLTag>[ \t\r\n] V() F(tk::XMLWhitespace);
+<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);
-<XMLContent>"<"  L F(tk::Left);
-<XMLContent>"</" L F(tk::LeftSlash);
+<XMLContent>"{"  L F(tk::OpenBrace, hi::Structure);
+<XMLContent>"<"  L F(tk::Left, hi::Structure);
+<XMLContent>"</" L F(tk::LeftSlash, hi::Structure);
 @end
 
-"..."  L C F(tk::PeriodPeriodPeriod);
+"..."  L C F(tk::PeriodPeriodPeriod, hi::Meta);
+".."   L E("invalid operator")
 
 @begin E4X
-"::"   L C F(tk::ColonColon);
-".."   L C F(tk::PeriodPeriod);
+"::"   L C F(tk::ColonColon, hi::Operator);
+".."   L C F(tk::PeriodPeriod, hi::Operator);
 @end
 
 @begin E4X ObjectiveC
-"@"    L C F(tk::At);
+"@"    L C F(tk::At, hi::Operator);
+"#"    L C F(tk::Pound, hi::Operator);
 @end
 
-"&"    L C F(tk::Ampersand);
-"&&"   L C F(tk::AmpersandAmpersand);
-"&="   L C F(tk::AmpersandEqual);
-"^"    L C F(tk::Carrot);
-"^="   L C F(tk::CarrotEqual);
-"="    L C F(tk::Equal);
-"=="   L C F(tk::EqualEqual);
-"==="  L C F(tk::EqualEqualEqual);
-"!"    L C F(tk::Exclamation);
-"!="   L C F(tk::ExclamationEqual);
-"!=="  L C F(tk::ExclamationEqualEqual);
-"-"    L C F(tk::Hyphen);
-"-="   L C F(tk::HyphenEqual);
-"--"   L C F(yylval->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);
-
-<Div>"/"  L C F(tk::Slash);
-<Div>"/=" 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(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);
+"@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 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 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);
-"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_);
+{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);
+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);
 
-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);
+(\.[0-9]+|(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][+-]?{IdentifierPart}* L E("invalid exponent")
+(\.?[0-9]|(0|[1-9][0-9]*)\.){IdentifierPart}* L E("invalid number")
 
 \"([^"\\\n]|{Escape})*\"|'([^'\\\n]|{Escape})*' L C {
     char *value(A char[yyleng]);
@@ -369,22 +437,18 @@ XMLName {XMLNameStart}{XMLNamePart}*
     }
 
     *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
+(\"([^"\\\n]|{Escape})*|'([^'\\\n]|{Escape})*)(\\(x.{0,2}|u.{0,4})?)? L E("invalid escape")
+
+\r?\n|\r|\xe2\x80[\xa8\xa9] yylloc->step(); yylloc->end.lines(); N
 
 [ \t] L
 
-<<EOF>> if (yyextra->auto_) { yyextra->auto_ = false; F(tk::AutoComplete); } L yyterminate();
+<<EOF>> if (yyextra->auto_) { yyextra->auto_ = false; F(tk::AutoComplete, hi::Nothing); } L yyterminate();
 
-. L {
-    CYDriver::Error error;
-    error.location_ = *yylloc;
-    error.message_ = "syntax error, unknown token";
-    yyextra->errors_.push_back(error);
-    yyterminate();
-}
+@{IdentifierPart}+|\xe2.|. L E("unknown token")
 
 %%
 
@@ -453,3 +517,7 @@ void CYDriver::PushCondition(Condition condition) {
 void CYDriver::PopCondition() {
     yy_pop_state(scanner_);
 }
+
+#if defined(__clang__)
+#pragma clang diagnostic pop
+#endif