I finally finished the AST.

[cycript.git] / Cycript.l

diff --git a/Cycript.l b/Cycript.l
index 10be43f1a9af6a725cf2ed2f9b15705ea0fc251e..1424d1e7e91c3114a6bddbc9a8d9e78851ec7561 100644 (file)
--- a/Cycript.l
+++ b/Cycript.l
@@ -1,5 +1,7 @@
 %{
-#include "Cycript.tab.h"
+#include "Cycript.tab.hh"
+typedef cy::parser::token tk;
+#define YY_EXTRA_TYPE CYParser *
 %}
 
 %option prefix="cy"
@@ -9,79 +11,115 @@
 %option yylineno
 %option nounput
 %option interactive
+%option reentrant
 
-delim         [ \t]
-whitesp       {delim}+
-digit         [0-9]
-number        [-]?{digit}*[.]?{digit}+
+Exponent [eE][+-]?[0-9]+
+Escape   \\['"\\bfnrtv]|\\0|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}
 
 %%
 
-"&"    { return CYTokenAmpersand; }
-"&&"   { return CYTokenAmpersandAmpersand; }
-"&="   { return CYTokenAmpersandEqual; }
-"^"    { return CYTokenCarrot; }
-"^="   { return CYTokenCarrotEqual; }
-"="    { return CYTokenEqual; }
-"=="   { return CYTokenEqualEqual; }
-"==="  { return CYTokenEqualEqualEqual; }
-"!"    { return CYTokenExclamation; }
-"!="   { return CYTokenExclamationEqual; }
-"!=="  { return CYTokenExclamationEqualEqual; }
-"-"    { return CYTokenHyphen; }
-"-="   { return CYTokenHyphenEqual; }
-"--"   { return CYTokenHyphenHyphen; }
-"->"   { return CYTokenHyphenRight; }
-"<"    { return CYTokenLeft; }
-"<="   { return CYTokenLeftEqual; }
-"<<"   { return CYTokenLeftLeft; }
-"<<="  { return CYTokenLeftLeftEqual; }
-"%"    { return CYTokenPercent; }
-"%="   { return CYTokenPercentEqual; }
-"."    { return CYTokenPeriod; }
-"|"    { return CYTokenPipe; }
-"|="   { return CYTokenPipeEqual; }
-"||"   { return CYTokenPipePipe; }
-"+"    { return CYTokenPlus; }
-"+="   { return CYTokenPlusEqual; }
-"++"   { return CYTokenPlusPlus; }
-">"    { return CYTokenRight; }
-">="   { return CYTokenRightEqual; }
-">>"   { return CYTokenRightRight; }
-">>="  { return CYTokenRightRightEqual; }
-">>>"  { return CYTokenRightRightRight; }
-">>>=" { return CYTokenRightRightRightEqual; }
-"/"    { return CYTokenSlash; }
-"/="   { return CYTokenSlashEqual; }
-"*"    { return CYTokenStar; }
-"*="   { return CYTokenStarEqual; }
-"~"    { return CYTokenTilde; }
-
-"break" { return CYTokenBreak; }
-"case" { return CYTokenCase; }
-"catch" { return CYTokenCatch; }
-"continue" { return CYTokenContinue; }
-"default" { return CYTokenDefault; }
-"delete" { return CYTokenDelete; }
-"do" { return CYTokenDo; }
-"else" { return CYTokenElse; }
-"false" { return CYTokenFalse; }
-"finally" { return CYTokenFinally; }
-"for" { return CYTokenFor; }
-"function" { return CYTokenFunction; }
-"if" { return CYTokenIf; }
-"in" { return CYTokenIn; }
-"instanceof" { return CYTokenInstanceOf; }
-"new" { return CYTokenNew; }
-"null" { return CYTokenNull; }
-"return" { return CYTokenReturn; }
-"switch" { return CYTokenSwitch; }
-"this" { return CYTokenThis; }
-"throw" { return CYTokenThrow; }
-"true" { return CYTokenTrue; }
-"try" { return CYTokenTry; }
-"typeof" { return CYTokenTypeOf; }
-"var" { return CYTokenVar; }
-"void" { return CYTokenVoid; }
-"while" { return CYTokenWhile; }
-"with" { return CYTokenWith; }
+"&"    return tk::Ampersand;
+"&&"   return tk::AmpersandAmpersand;
+"&="   return tk::AmpersandEqual;
+"^"    return tk::Carrot;
+"^="   return tk::CarrotEqual;
+"="    return tk::Equal;
+"=="   return tk::EqualEqual;
+"==="  return tk::EqualEqualEqual;
+"!"    return tk::Exclamation;
+"!="   return tk::ExclamationEqual;
+"!=="  return tk::ExclamationEqualEqual;
+"-"    return tk::Hyphen;
+"-="   return tk::HyphenEqual;
+"--"   return tk::HyphenHyphen;
+"->"   return tk::HyphenRight;
+"<"    return tk::Left;
+"<="   return tk::LeftEqual;
+"<<"   return tk::LeftLeft;
+"<<="  return tk::LeftLeftEqual;
+"%"    return tk::Percent;
+"%="   return tk::PercentEqual;
+"."    return tk::Period;
+"|"    return tk::Pipe;
+"|="   return tk::PipeEqual;
+"||"   return tk::PipePipe;
+"+"    return tk::Plus;
+"+="   return tk::PlusEqual;
+"++"   return tk::PlusPlus;
+">"    return tk::Right;
+">="   return tk::RightEqual;
+">>"   return tk::RightRight;
+">>="  return tk::RightRightEqual;
+">>>"  return tk::RightRightRight;
+">>>=" return tk::RightRightRightEqual;
+"/"    return tk::Slash;
+"/="   return tk::SlashEqual;
+"*"    return tk::Star;
+"*="   return tk::StarEqual;
+"~"    return tk::Tilde;
+
+":"    return tk::Colon;
+","    return tk::Comma;
+"?"    return tk::Question;
+";"    return tk::SemiColon;
+
+"("    return tk::OpenParen;
+")"    return tk::CloseParen;
+
+"{"    return tk::OpenBrace;
+"}"    return tk::CloseBrace;
+
+"["    return tk::OpenBracket;
+"]"    return tk::CloseBracket;
+
+"break"      return tk::Break;
+"case"       return tk::Case;
+"catch"      return tk::Catch;
+"continue"   return tk::Continue;
+"default"    return tk::Default;
+"delete"     return tk::Delete;
+"do"         return tk::Do;
+"else"       return tk::Else;
+"false"      return tk::False;
+"finally"    return tk::Finally;
+"for"        return tk::For;
+"function"   return tk::Function;
+"if"         return tk::If;
+"in"         return tk::In;
+"instanceof" return tk::InstanceOf;
+"new"        return tk::New;
+"null"       return tk::Null;
+"return"     return tk::Return;
+"switch"     return tk::Switch;
+"this"       return tk::This;
+"throw"      return tk::Throw;
+"true"       return tk::True;
+"try"        return tk::Try;
+"typeof"     return tk::TypeOf;
+"var"        return tk::Var;
+"void"       return tk::Void;
+"while"      return tk::While;
+"with"       return tk::With;
+
+[a-zA-Z$_][a-zA-Z$_0-9]* return tk::Identifier;
+
+(\.[0-9]+|(0|[1-9][0-9]*)(\.[0-9]*)?){Exponent}? return tk::NumericLiteral;
+
+0[xX][0-9a-fA-F]+        return tk::NumericLiteral;
+0[bB][0-1]+              return tk::NumericLiteral;
+
+\"([^"\\\n]|{Escape})*\" return tk::StringLiteral;
+'([^'\\\n]|{Escape})*'   return tk::StringLiteral;
+
+[ \t\n]                  ;
+
+%%
+
+void CYParser::ScannerInit() {
+    cylex_init(&scanner_);
+    cyset_extra(this, scanner_);
+}
+
+void CYParser::ScannerDestroy() {
+    cylex_destroy(scanner_);
+}