X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/aea76473fa673adddb206e34d675e59c298e3581..43ef65b6e8d957c81dfee4598d748457cdd9ba84:/Cycript.yy.in

diff --git a/Cycript.yy.in b/Cycript.yy.in
index 9b9a05c..7399651 100644
--- a/Cycript.yy.in
+++ b/Cycript.yy.in
@@ -1,5 +1,5 @@
 /* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2010  Jay Freeman (saurik)
+ * Copyright (C) 2009-2012  Jay Freeman (saurik)
 */
 
 /* GNU Lesser General Public License, Version 3 {{{ */
@@ -39,8 +39,11 @@
 #include "E4X/Syntax.hpp"
 @end
 
+#include "Highlight.hpp"
+
 typedef struct {
     bool newline_;
+    hi::Value highlight_;
 
     union {
         bool bool_;
@@ -78,6 +81,9 @@ typedef struct {
         CYString *string_;
         CYThis *this_;
         CYTrue *true_;
+        CYTypeModifier *type_;
+        CYTypedIdentifier *typedIdentifier_;
+        CYTypedParameter *typedParameter_;
         CYWord *word_;
 
 @begin ObjectiveC
@@ -126,6 +132,7 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %parse-param { CYDriver &driver }
 %lex-param { void *cyscanner }
 
+/* Token Declarations {{{ */
 @begin E4X
 %token XMLCDATA
 %token XMLComment
@@ -224,6 +231,7 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %token AtImplementation "@implementation"
 %token AtImplementation_ ";@implementation"
 %token AtImport "@import"
+%token AtEncode "@encode"
 %token AtEnd "@end"
 %token AtSelector "@selector"
 @end
@@ -233,6 +241,7 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %token <true_> True "true"
 
 // ES3/ES5/WIE/JSC Reserved
+%token <word_> Auto "auto"
 %token <word_> Break "break"
 %token <word_> Case "case"
 %token <word_> Catch "catch"
@@ -332,6 +341,7 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <expression_> ArrowFunction
 %type <functionParameter_> ArrowParameters
 %type <expression_> AssignmentExpression
+%type <identifier_> Binding
 %type <identifier_> BindingIdentifier
 %type <expression_> BitwiseANDExpression
 %type <statement_> Block_
@@ -348,6 +358,8 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <clause_> CaseClause
 %type <clause_> CaseClausesOpt
 %type <catch_> CatchOpt
+%type <comprehension_> ComprehensionForList
+%type <comprehension_> ComprehensionForListOpt
 %type <comprehension_> ComprehensionList
 %type <comprehension_> ComprehensionListOpt
 %type <expression_> ConditionalExpression
@@ -393,7 +405,7 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <statement_> LetStatement
 %type <statement_> LexicalDeclaration
 %type <literal_> Literal
-%type <literal_> LiteralNoRE
+%type <literal_> ValueLiteral
 %type <expression_> LogicalANDExpression
 %type <expression_> LogicalORExpression
 %type <member_> MemberAccess
@@ -443,13 +455,16 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <statement_> WithStatement
 %type <word_> Word
 %type <word_> WordOpt
+%type <expression_> Variable
 
 @begin ObjectiveC
+%type <expression_> BoxableExpression
 %type <statement_> CategoryStatement
 %type <expression_> ClassExpression
+%type <field_> ClassFieldListOpt
+%type <field_> ClassFields
 %type <statement_> ClassStatement
 %type <expression_> ClassSuperOpt
-%type <field_> ClassFieldList
 %type <message_> ClassMessageDeclaration
 %type <message_> ClassMessageDeclarationListOpt
 %type <className_> ClassName
@@ -457,12 +472,17 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <protocol_> ClassProtocolListOpt
 %type <protocol_> ClassProtocols
 %type <protocol_> ClassProtocolsOpt
+%type <expression_> EncodedType
 %type <expression_> MessageExpression
 %type <messageParameter_> MessageParameter
 %type <messageParameter_> MessageParameters
 %type <messageParameter_> MessageParameterList
 %type <messageParameter_> MessageParameterListOpt
 %type <bool_> MessageScope
+%type <type_> ModifiedType
+%type <typedIdentifier_> PrefixedType
+%type <expression_> PrimitiveType
+%type <type_> QualifiedType
 %type <argument_> SelectorCall_
 %type <argument_> SelectorCall
 %type <selector_> SelectorExpression_
@@ -470,7 +490,12 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <selector_> SelectorExpressionOpt
 %type <argument_> SelectorList
 %type <word_> SelectorWordOpt
+%type <typedIdentifier_> SuffixedType
 %type <expression_> TypeOpt
+%type <typedIdentifier_> TypedIdentifier
+%type <typedParameter_> TypedParameterList_
+%type <typedParameter_> TypedParameterList
+%type <typedParameter_> TypedParameterListOpt
 %type <argument_> VariadicCall
 @end
 
@@ -494,12 +519,14 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <expression_> XMLListInitialiser
 %type <expression_> XMLInitialiser
 @end
-
+/* }}} */
+/* Token Priorities {{{ */
 %nonassoc ""
 %left "++" "--"
 
 %nonassoc "if"
 %nonassoc "else"
+/* }}} */
 
 %start Program
 
@@ -523,53 +550,45 @@ LexSetRegExp
     ;
 
 LexNoBrace
-    : { if (yychar == yyempty_) driver.nobrace_ = true; else if (yychar == token::OpenBrace || yychar == token::OpenBrace_) yychar = token::OpenBrace__; }
+    : { if (yychar == yyempty_) driver.no_.OpenBrace = true; else if (yychar == token::OpenBrace || yychar == token::OpenBrace_) yychar = token::OpenBrace__; }
     ;
 
 LexNoFunction
-    : { if (yychar == token::Function) yychar = token::Function_; }
+    : { if (yychar == yyempty_) driver.no_.Function = true; else if (yychar == token::Function) yychar = token::Function_; }
+    ;
+
+LexNoAtImplementation
+    : { if (yychar == yyempty_) driver.no_.AtImplementation = true; else if (yychar == token::AtImplementation) yychar = token::AtImplementation_; }
     ;
 
 LexSetStatement
-    : LexNoBrace LexNoFunction
+    : LexNoBrace LexNoFunction LexNoAtImplementation
     ;
 /* }}} */
-
+/* Virtual Tokens {{{ */
 BRACE
     : "{"
     | "\n{"
     ;
 
-StrictSemi
-    : { driver.Warning(yylloc, "warning, automatic semi-colon insertion required"); }
-    ;
-
-Terminator
-    : ";"
-    | error { if (yychar != yyeof_ && yychar != token::CloseBrace && !yylval.newline_) YYABORT; else { yyerrok; driver.errors_.pop_back(); } } StrictSemi
+Var_
+    : "var"
     ;
+/* }}} */
 
-TerminatorOpt
-    : ";"
-    | error { yyerrok; driver.errors_.pop_back(); } StrictSemi
+/* 7.6 Identifier Names and Identifiers {{{ */
+IdentifierName
+    : Word { $$ = $1; }
     ;
 
-/*CommaOpt
-    : ","
-    |
-    ;*/
-
 NewLineOpt
     : "\n"
     |
     ;
 
-IdentifierName
-    : Word { $$ = $1; }
-    ;
-
 Word
     : Identifier { $$ = $1; }
+    | "auto" { $$ = $1; }
     | "break" NewLineOpt { $$ = $1; }
     | "case" { $$ = $1; }
     | "catch" { $$ = $1; }
@@ -618,15 +637,6 @@ WordOpt
     | { $$ = NULL; }
     ;
 
-@begin ObjectiveC
-PrimaryExpression
-    : "@" LiteralNoRE { $$ = CYNew CYBox($2); }
-    | "@" ArrayLiteral { $$ = CYNew CYBox($2); }
-    | "@" ObjectLiteral { $$ = CYNew CYBox($2); }
-    | "@" Parenthetical { $$ = CYNew CYBox($2); }
-    ;
-@end
-
 Identifier
     : Identifier_ { $$ = $1; }
 
@@ -668,27 +678,48 @@ IdentifierOpt
     : Identifier { $$ = $1; }
     | { $$ = NULL; }
     ;
+/* }}} */
 
-LiteralNoRE
+/* 7.8 Literals {{{ */
+Literal
     : NullLiteral { $$ = $1; }
-    | BooleanLiteral { $$ = $1; }
-    | NumericLiteral { $$ = $1; }
-    | StringLiteral { $$ = $1; }
+    | ValueLiteral { $$ = $1; }
     ;
 
-Literal
-    : LiteralNoRE { $$ = $1; }
+ValueLiteral
+    : BooleanLiteral { $$ = $1; }
+    | NumericLiteral { $$ = $1; }
+    | StringLiteral { $$ = $1; }
     | RegularExpressionLiteral { $$ = $1; }
     ;
-
+/* }}} */
+/* 7.8.1 Null Literals {{{ */
 NullLiteral
     : "null" { $$ = $1; }
     ;
-
+/* }}} */
+/* 7.8.2 Boolean Literals {{{ */
 BooleanLiteral
     : "true" { $$ = $1; }
     | "false" { $$ = $1; }
     ;
+/* }}} */
+
+/* 7.9 Automatic Semicolon Insertion {{{ */
+StrictSemi
+    : { driver.Warning(yylloc, "warning, automatic semi-colon insertion required"); }
+    ;
+
+Terminator
+    : ";"
+    | error { if (yychar != yyeof_ && yychar != token::CloseBrace && !yylval.newline_) YYABORT; else { yyerrok; driver.errors_.pop_back(); } } StrictSemi
+    ;
+
+TerminatorOpt
+    : ";"
+    | error { yyerrok; driver.errors_.pop_back(); } StrictSemi
+    ;
+/* }}} */
 
 /* 11.1 Primary Expressions {{{ */
 Parenthetical
@@ -700,9 +731,13 @@ ParentheticalOpt
     | { $$ = NULL; }
     ;
 
+Variable
+    : Identifier { $$ = CYNew CYVariable($1); }
+    ;
+
 PrimaryExpression
     : "this" { $$ = $1; }
-    | Identifier { $$ = CYNew CYVariable($1); }
+    | Variable { $$ = $1; }
     | Literal { $$ = $1; }
     | ArrayLiteral { $$ = $1; }
     | ObjectLiteral { $$ = $1; }
@@ -735,6 +770,22 @@ ElementListOpt
     | LexSetRegExp { $$ = NULL; }
     ;
 /* }}} */
+/* 11.1.4.2 Array Comprehension {{{ */
+PrimaryExpression
+    : "[" LexPushInOff AssignmentExpression ComprehensionForList LexPopIn "]" { $$ = CYNew CYArrayComprehension($3, $4); }
+    ;
+
+ComprehensionForList
+    : "for" Binding "in" Expression ComprehensionForListOpt { $$ = CYNew CYForInComprehension($2, $4, $5); }
+    | "for" Binding "of" Expression ComprehensionForListOpt { $$ = CYNew CYForOfComprehension($2, $4, $5); }
+    ;
+
+ComprehensionForListOpt
+    : ComprehensionForList { $$ = $1; }
+    | "if" Expression { $$ = CYNew CYIfComprehension($2); }
+    | { $$ = NULL; }
+    ;
+/* }}} */
 /* 11.1.5 Object Initialiser {{{ */
 ObjectLiteral
     : BRACE LexPushInOff PropertyDefinitionListOpt LexPopIn "}" { $$ = CYNew CYObject($3); }
@@ -742,7 +793,7 @@ ObjectLiteral
 
 PropertyDefinitionList_
     : "," PropertyDefinitionList { $$ = $2; }
-    | "," { $$ = NULL; }
+    | "," LexSetRegExp { $$ = NULL; }
     | { $$ = NULL; }
     ;
 
@@ -752,12 +803,13 @@ PropertyDefinitionList
 
 PropertyDefinitionListOpt
     : PropertyDefinitionList { $$ = $1; }
-    | { $$ = NULL; }
+    | LexSetRegExp { $$ = NULL; }
     ;
 
 PropertyDefinition
-    //: IdentifierName { $$ = CYNew CYProperty($1, CYNew CYVariable($1)); }
-    : PropertyName ":" AssignmentExpression { $$ = CYNew CYProperty($1, $3); }
+    // XXX: this should be IdentifierName
+    : LexSetRegExp Identifier { $$ = CYNew CYProperty($2, CYNew CYVariable($2)); }
+    | PropertyName ":" AssignmentExpression { $$ = CYNew CYProperty($1, $3); }
     //| MethodDefinition
     ;
 
@@ -1024,7 +1076,7 @@ StatementList
 
 StatementListOpt
     : StatementList { $$ = $1; }
-    | LexSetRegExp { $$ = NULL; }
+    | LexSetStatement LexSetRegExp { $$ = NULL; }
     ;
 
 StatementListItem
@@ -1032,11 +1084,16 @@ StatementListItem
     | Declaration { $$ = $1; }
     ;
 /* }}} */
+
 /* 12.2 Declarations {{{ */
 BindingIdentifier
     : Identifier { $$ = $1; }
     ;
 
+Binding
+    : BindingIdentifier
+    ;
+
 // XXX: BindingPattern
 /* }}} */
 /* 12.2.1 Let and Const Declarations {{{ */
@@ -1051,7 +1108,7 @@ LetOrConst
 /* }}} */
 /* 12.2.2 Variable Statement {{{ */
 VariableStatement
-    : "var" VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
+    : Var_ VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
     ;
 
 VariableDeclarationList_
@@ -1088,6 +1145,7 @@ SingleNameBinding
     : BindingIdentifier InitialiserOpt { $$ = CYNew CYDeclaration($1, $2); }
     ;
 /* }}} */
+
 /* 12.3 Empty Statement {{{ */
 EmptyStatement
     : ";" { $$ = CYNew CYEmpty(); }
@@ -1126,7 +1184,7 @@ IterationStatement
 
 ForStatementInitialiser
     : ExpressionOpt { $$ = $1; }
-    | LexSetRegExp "var" VariableDeclarationList { $$ = CYNew CYForDeclarations($3); }
+    | LexSetRegExp Var_ VariableDeclarationList { $$ = CYNew CYForDeclarations($3); }
     ;
 /* }}} */
 /* 12.6.4 The for-in and for-of Statements {{{ */
@@ -1137,7 +1195,7 @@ IterationStatement
 
 ForInStatementInitialiser
     : LeftHandSideExpression { $$ = $1; }
-    | LexSetRegExp "var" VariableDeclaration { $$ = $3; }
+    | LexSetRegExp Var_ VariableDeclaration { $$ = $3; }
     ;
 /* }}} */
 
@@ -1155,7 +1213,7 @@ BreakStatement
 /* }}} */
 /* 12.9 The return Statement {{{ */
 ReturnStatement
-    : "return" "\n" StrictSemi { $$ = CYNew CYReturn(NULL); }
+    : "return" LexSetRegExp "\n" StrictSemi { $$ = CYNew CYReturn(NULL); }
     | "return" ExpressionOpt Terminator { $$ = CYNew CYReturn($2); }
     ;
 /* }}} */
@@ -1195,7 +1253,7 @@ LabelledStatement
 /* }}} */
 /* 12.13 The throw Statement {{{ */
 ThrowStatement
-    : "throw" "\n" StrictSemi { YYABORT; }
+    : "throw" LexSetRegExp "\n" StrictSemi { YYABORT; }
     | "throw" Expression Terminator { $$ = CYNew cy::Syntax::Throw($2); }
     ;
 /* }}} */
@@ -1258,7 +1316,7 @@ FunctionBody
 /* }}} */
 /* 13.2 Arrow Function Definitions {{{ */
 ArrowFunction
-    : LexSetRegExp ArrowParameters "=>" LexNoBrace ConciseBody { $$ = CYNew CYFunctionExpression(NULL, $2, $5); }
+    : LexSetRegExp ArrowParameters "=>" LexNoBrace ConciseBody { $$ = CYNew CYFatArrow($2, $5); }
     ;
 
 ArrowParameters
@@ -1268,7 +1326,7 @@ ArrowParameters
 
 ConciseBody
     : AssignmentExpression { $$ = CYNew CYReturn($1); }
-    | ";{" LexPushInOff FunctionBody LexPopIn "}" { $$ = $3; }
+    | LexSetRegExp ";{" LexPushInOff FunctionBody LexPopIn "}" { $$ = $4; }
     ;
 /* }}} */
 /* 14 Program {{{ */
@@ -1282,11 +1340,52 @@ ProgramBody
 
 ProgramBodyOpt
     : ProgramBody { $$ = $1; }
-    | { $$ = NULL; }
+    | LexSetStatement LexSetRegExp { $$ = NULL; }
     ;
 /* }}} */
 
 @begin ObjectiveC
+/* Cycript (Objective-C): Type Encoding {{{ */
+SuffixedType
+    : IdentifierOpt { $$ = CYNew CYTypedIdentifier($1); }
+    | "(" LexPushInOff PrefixedType LexPopIn ")" { $$ = $3; }
+    | SuffixedType "[" NumericLiteral "]" { CYSetLast($1->type_) = CYNew CYTypeArrayOf($3->Value()); $$ = $1; }
+    ;
+
+PrefixedType
+    : SuffixedType { $$ = $1; }
+    | "const" PrefixedType { CYSetLast($2->type_) = CYNew CYTypeConstant(); $$ = $2; }
+    | "*" PrefixedType { CYSetLast($2->type_) = CYNew CYTypePointerTo(); $$ = $2; }
+    ;
+
+PrimitiveType
+    : Variable { $$ = $1; }
+    | "void" { $$  = CYNew cy::Syntax::New(CYNew CYVariable(CYNew CYIdentifier("Type")), CYNew CYArgument(CYNew CYString("v"))); }
+    ;
+
+QualifiedType
+    : PrimitiveType { $$ = CYNew CYTypeVariable($1); }
+    | "const" QualifiedType { $$ = CYNew CYTypeConstant($2); }
+    ;
+
+ModifiedType
+    : QualifiedType { $$ = $1; }
+    | QualifiedType "*" { $$ = CYNew CYTypePointerTo($1); }
+    | QualifiedType "const" { $$ = CYNew CYTypeConstant($1); }
+    ;
+
+TypedIdentifier
+    : QualifiedType PrefixedType { CYSetLast($2->type_) = $1; $$ = $2;}
+    ;
+
+EncodedType
+    : TypedIdentifier { $$ = CYNew CYEncodedType($1->type_); }
+    ;
+
+PrimaryExpression
+    : AtEncode "(" EncodedType ")" { $$ = $3; }
+    ;
+/* }}} */
 /* Cycript (Objective-C): @class Declaration {{{ */
 ClassSuperOpt
     /* XXX: why the hell did I choose MemberExpression? */
@@ -1294,17 +1393,13 @@ ClassSuperOpt
     | { $$ = NULL; }
     ;
 
-ClassField
-    : Expression Identifier ";"
-    ;
-
-ClassFieldList
-    : BRACE ClassFieldListOpt "}" { $$ = NULL; }
+ClassFieldListOpt
+    : Expression Identifier ";" ClassFieldListOpt { $$ = CYNew CYField($1, $2, $4); }
+    | LexSetRegExp { $$ = NULL; }
     ;
 
-ClassFieldListOpt
-    : ClassFieldListOpt ClassField
-    |
+ClassFields
+    : BRACE ClassFieldListOpt "}" { $$ = $2; }
     ;
 
 MessageScope
@@ -1313,8 +1408,7 @@ MessageScope
     ;
 
 TypeOpt
-    : "(" Expression ")" { $$ = $2; }
-    | "(" LexSetRegExp "void" ")" { $$ = NULL; }
+    : "(" LexSetRegExp EncodedType ")" { $$ = $3; }
     | { $$ = NULL; }
     ;
 
@@ -1372,11 +1466,11 @@ ClassProtocolListOpt
     ;
 
 ClassExpression
-    : "@implementation" LexPushInOff ClassNameOpt ClassSuperOpt ClassProtocolListOpt ClassFieldList ClassMessageDeclarationListOpt LexPopIn "@end" { $$ = CYNew CYClassExpression($3, $4, $5, $6, $7); }
+    : "@implementation" LexPushInOff ClassNameOpt ClassSuperOpt ClassProtocolListOpt ClassFields LexPopIn ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYClassExpression($3, $4, $5, $6, $8); }
     ;
 
 ClassStatement
-    : ";@implementation" ClassName ClassSuperOpt ClassProtocolListOpt ClassFieldList ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYClassStatement($2, $3, $4, $5, $6); }
+    : ";@implementation" ClassName ClassSuperOpt ClassProtocolListOpt ClassFields ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYClassStatement($2, $3, $4, $5, $6); }
     ;
 
 CategoryName
@@ -1459,7 +1553,41 @@ ImportPath
     ;
 
 StatementListItem
-    : "@import" ImportPath { $$ = CYNew CYImport(); }
+    : LexSetStatement LexSetRegExp "@import" ImportPath { $$ = CYNew CYImport(); }
+    ;
+/* }}} */
+/* Cycript (Objective-C): Boxed Expressions {{{ */
+BoxableExpression
+    : NullLiteral { $$ = $1; }
+    | BooleanLiteral { $$ = $1; }
+    | NumericLiteral { $$ = $1; }
+    | StringLiteral { $$ = $1; }
+    | ArrayLiteral { $$ = $1; }
+    | ObjectLiteral { $$ = $1; }
+    | Parenthetical { $$ = $1; }
+    ;
+
+PrimaryExpression
+    : "@" BoxableExpression { $$ = CYNew CYBox($2); }
+    ;
+/* }}} */
+/* Cycript (Objective-C): Block Expressions {{{ */
+TypedParameterList_
+    : "," TypedParameterList { $$ = $2; }
+    | { $$ = NULL; }
+    ;
+
+TypedParameterList
+    : TypedIdentifier TypedParameterList_ { $$ = CYNew CYTypedParameter($1, $2); }
+    ;
+
+TypedParameterListOpt
+    : TypedParameterList { $$ = $1; }
+    | { $$ = NULL; }
+    ;
+
+PrimaryExpression
+    : "^" ModifiedType "(" LexPushInOff TypedParameterListOpt LexPopIn ")" BRACE LexPushInOff FunctionBody LexPopIn "}" { $$ = CYNew CYObjCBlock($2, $5, $10); }
     ;
 /* }}} */
 @end
@@ -1480,6 +1608,11 @@ MemberAccess
     | "->" AutoComplete { driver.mode_ = CYDriver::AutoIndirect; YYACCEPT; }
     ;
 /* }}} */
+/* Cycript (C): auto Compatibility {{{ */
+Var_
+    : "auto"
+    ;
+/* }}} */
 @end
 
 /* YUI: Documentation Comments {{{ */
@@ -1514,11 +1647,12 @@ LexSetXMLTag
     : { driver.SetCondition(CYDriver::XMLTagCondition); }
     ;
 /* }}} */
-
+/* Virtual Tokens {{{ */
 XMLWhitespaceOpt
     : XMLWhitespace
     |
     ;
+/* }}} */
 
 /* 8.1 Context Keywords {{{ */
 Identifier
@@ -1533,6 +1667,7 @@ XMLMarkup
     | XMLPI { $$ = $1; }
     ;
 /* }}} */
+
 /* 11.1 Primary Expressions {{{ */
 PrimaryExpression
     : PropertyIdentifier { $$ = CYNew CYPropertyVariable($1); }
@@ -1636,6 +1771,7 @@ XMLListInitialiser
     : "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop LexPopIn "</>" { $$ = CYNew CYXMLList($4); }
     ;
 /* }}} */
+
 /* 11.2 Left-Hand-Side Expressions {{{ */
 PropertyIdentifier_
     : Identifier { $$ = $1; }
@@ -1665,8 +1801,8 @@ IfComprehension
     ;
 
 ForComprehension
-    : "for" "(" LexPushInOn Identifier LexPopIn "!in" Expression ")" { $$ = CYNew CYForInComprehension($4, $7); }
-    | "for" "each" "(" LexPushInOn Identifier LexPopIn "!in" Expression ")" { $$ = CYNew CYForOfComprehension($5, $8); }
+    : "for" "(" Identifier "in" Expression ")" { $$ = CYNew CYForInComprehension($3, $5); }
+    | "for" "each" "(" Identifier "in" Expression ")" { $$ = CYNew CYForOfComprehension($4, $6); }
     ;
 
 ComprehensionList