Provide some kind of feedback while running ?gc.

[cycript.git] / Cycript.yy.in

diff --git a/Cycript.yy.in b/Cycript.yy.in
index 0425b2150ce6ed8125b784f63cdd3ef65e003149..5a35dd7624c5e34414952954bf9dd4feac5c6697 100644 (file)
--- a/Cycript.yy.in
+++ b/Cycript.yy.in
@@ -72,6 +72,7 @@ typedef struct {
         CYInfix *infix_;
         CYLiteral *literal_;
         CYMember *member_;
         CYInfix *infix_;
         CYLiteral *literal_;
         CYMember *member_;

+        CYModule *module_;

         CYNull *null_;
         CYNumber *number_;
         CYProgram *program_;
         CYNull *null_;
         CYNumber *number_;
         CYProgram *program_;


@@ -91,7 +92,7 @@ typedef struct {
         CYMessageParameter *messageParameter_;
         CYProtocol *protocol_;
         CYSelectorPart *selector_;
         CYMessageParameter *messageParameter_;
         CYProtocol *protocol_;
         CYSelectorPart *selector_;

-        CYTypeModifier *type_;
+        CYTypeModifier *modifier_;

         CYTypedIdentifier *typedIdentifier_;
         CYTypedParameter *typedParameter_;
 @end
         CYTypedIdentifier *typedIdentifier_;
         CYTypedParameter *typedParameter_;
 @end


@@ -159,6 +160,7 @@ int cylex(YYSTYPE *, cy::location *, void *);
 
 @begin E4X ObjectiveC
 %token At "@"
 
 @begin E4X ObjectiveC
 %token At "@"

+%token Pound "#"

 @end
 
 %token Ampersand "&"
 @end
 
 %token Ampersand "&"


@@ -241,6 +243,8 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %token AtEncode "@encode"
 %token AtEnd "@end"
 %token AtSelector "@selector"
 %token AtEncode "@encode"
 %token AtEnd "@end"
 %token AtSelector "@selector"

+%token <identifier_> Yes "YES"
+%token <identifier_> No "NO"

 @end
 
 %token <false_> False "false"
 @end
 
 %token <false_> False "false"


@@ -344,6 +348,8 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <argument_> ArgumentList
 %type <argument_> ArgumentListOpt
 %type <argument_> Arguments
 %type <argument_> ArgumentList
 %type <argument_> ArgumentListOpt
 %type <argument_> Arguments

+%type <expression_> ArrayComprehension
+%type <expression_> ArrayInitialiser

 %type <literal_> ArrayLiteral
 %type <expression_> ArrowFunction
 %type <functionParameter_> ArrowParameters
 %type <literal_> ArrayLiteral
 %type <expression_> ArrowFunction
 %type <functionParameter_> ArrowParameters


@@ -365,10 +371,10 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <clause_> CaseClause
 %type <clause_> CaseClausesOpt
 %type <catch_> CatchOpt
 %type <clause_> CaseClause
 %type <clause_> CaseClausesOpt
 %type <catch_> CatchOpt

-%type <comprehension_> ComprehensionForList
-%type <comprehension_> ComprehensionForListOpt
-%type <comprehension_> ComprehensionList
-%type <comprehension_> ComprehensionListOpt
+%type <expression_> Comprehension
+%type <comprehension_> ComprehensionFor
+%type <comprehension_> ComprehensionIf
+%type <comprehension_> ComprehensionTail

 %type <expression_> ConditionalExpression
 %type <statement_> ContinueStatement
 %type <statement_> ConciseBody
 %type <expression_> ConditionalExpression
 %type <statement_> ContinueStatement
 %type <statement_> ConciseBody


@@ -389,7 +395,6 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <expression_> ExpressionOpt
 %type <statement_> ExpressionStatement
 %type <finally_> FinallyOpt
 %type <expression_> ExpressionOpt
 %type <statement_> ExpressionStatement
 %type <finally_> FinallyOpt

-%type <comprehension_> ForComprehension

 %type <for_> ForStatementInitialiser
 %type <forin_> ForInStatementInitialiser
 %type <declaration_> FormalParameter
 %type <for_> ForStatementInitialiser
 %type <forin_> ForInStatementInitialiser
 %type <declaration_> FormalParameter


@@ -402,7 +407,6 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <identifier_> Identifier
 %type <identifier_> IdentifierOpt
 %type <word_> IdentifierName
 %type <identifier_> Identifier
 %type <identifier_> IdentifierOpt
 %type <word_> IdentifierName

-%type <comprehension_> IfComprehension

 %type <statement_> IfStatement
 %type <expression_> Initialiser
 %type <expression_> InitialiserOpt
 %type <statement_> IfStatement
 %type <expression_> Initialiser
 %type <expression_> InitialiserOpt


@@ -465,6 +469,7 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <expression_> Variable
 
 @begin ObjectiveC
 %type <expression_> Variable
 
 @begin ObjectiveC

+%type <typedIdentifier_> ArrayedType

 %type <expression_> BoxableExpression
 %type <statement_> CategoryStatement
 %type <expression_> ClassExpression
 %type <expression_> BoxableExpression
 %type <statement_> CategoryStatement
 %type <expression_> ClassExpression


@@ -480,16 +485,17 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <protocol_> ClassProtocols
 %type <protocol_> ClassProtocolsOpt
 %type <expression_> EncodedType
 %type <protocol_> ClassProtocols
 %type <protocol_> ClassProtocolsOpt
 %type <expression_> EncodedType

+%type <modifier_> FunctionedType

 %type <expression_> MessageExpression
 %type <messageParameter_> MessageParameter
 %type <messageParameter_> MessageParameters
 %type <messageParameter_> MessageParameterList
 %type <messageParameter_> MessageParameterListOpt
 %type <bool_> MessageScope
 %type <expression_> MessageExpression
 %type <messageParameter_> MessageParameter
 %type <messageParameter_> MessageParameters
 %type <messageParameter_> MessageParameterList
 %type <messageParameter_> MessageParameterListOpt
 %type <bool_> MessageScope

-%type <type_> ModifiedType
+%type <typedIdentifier_> ModifiedType
+%type <module_> Module

 %type <typedIdentifier_> PrefixedType
 %type <expression_> PrimitiveType
 %type <typedIdentifier_> PrefixedType
 %type <expression_> PrimitiveType

-%type <type_> QualifiedType

 %type <argument_> SelectorCall_
 %type <argument_> SelectorCall
 %type <selector_> SelectorExpression_
 %type <argument_> SelectorCall_
 %type <argument_> SelectorCall
 %type <selector_> SelectorExpression_


@@ -499,6 +505,10 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <word_> SelectorWordOpt
 %type <typedIdentifier_> SuffixedType
 %type <expression_> TypeOpt
 %type <word_> SelectorWordOpt
 %type <typedIdentifier_> SuffixedType
 %type <expression_> TypeOpt

+%type <typedIdentifier_> TypeParenthetical
+%type <modifier_> TypeQualifierLeft
+%type <typedIdentifier_> TypeQualifierRight
+%type <typedIdentifier_> TypeSignifier

 %type <typedIdentifier_> TypedIdentifier
 %type <typedParameter_> TypedParameterList_
 %type <typedParameter_> TypedParameterList
 %type <typedIdentifier_> TypedIdentifier
 %type <typedParameter_> TypedParameterList_
 %type <typedParameter_> TypedParameterList


@@ -651,6 +661,8 @@ Identifier
 
 @begin C
     | "typedef" { $$ = $1; }
 
 @begin C
     | "typedef" { $$ = $1; }

+    | "YES" { $$ = $1; }
+    | "NO" { $$ = $1; }

 @end
 
     | "implements" { $$ = $1; }
 @end
 
     | "implements" { $$ = $1; }


@@ -752,13 +764,19 @@ PrimaryExpression
     : "this" { $$ = $1; }
     | Variable { $$ = $1; }
     | Literal { $$ = $1; }
     : "this" { $$ = $1; }
     | Variable { $$ = $1; }
     | Literal { $$ = $1; }

-    | ArrayLiteral { $$ = $1; }
+    | ArrayInitialiser { $$ = $1; }

     | ObjectLiteral { $$ = $1; }
     | Parenthetical { $$ = $1; }
     | AutoComplete { driver.mode_ = CYDriver::AutoPrimary; YYACCEPT; }
     ;
 /* }}} */
     | ObjectLiteral { $$ = $1; }
     | Parenthetical { $$ = $1; }
     | AutoComplete { driver.mode_ = CYDriver::AutoPrimary; YYACCEPT; }
     ;
 /* }}} */

-/* 11.1.4.1 Array Initialiser {{{ */
+/* 11.1.4 Array Initializer {{{ */
+ArrayInitialiser
+    : ArrayLiteral { $$ = $1; }
+    | ArrayComprehension { $$ = $1; }
+    ;
+/* }}} */
+/* 11.1.4.1 Array Literal {{{ */

 ArrayLiteral
     : "[" LexPushInOff ElementListOpt "]" LexPopIn { $$ = CYNew CYArray($3); }
     ;
 ArrayLiteral
     : "[" LexPushInOff ElementListOpt "]" LexPopIn { $$ = CYNew CYArray($3); }
     ;


@@ -783,19 +801,26 @@ ElementListOpt
     ;
 /* }}} */
 /* 11.1.4.2 Array Comprehension {{{ */
     ;
 /* }}} */
 /* 11.1.4.2 Array Comprehension {{{ */

-PrimaryExpression
-    : "[" LexPushInOff AssignmentExpression ComprehensionForList "]" LexPopIn { $$ = CYNew CYArrayComprehension($3, $4); }
+ArrayComprehension
+    : "[" LexPushInOff Comprehension "]" LexPopIn { $$ = $3; }

     ;
 
     ;
 

-ComprehensionForList
-    : "for" Binding "in" Expression ComprehensionForListOpt { $$ = CYNew CYForInComprehension($2, $4, $5); }
-    | "for" Binding "of" Expression ComprehensionForListOpt { $$ = CYNew CYForOfComprehension($2, $4, $5); }
+Comprehension
+    : LexSetRegExp ComprehensionFor ComprehensionTail AssignmentExpression { $$ = CYNew CYArrayComprehension($4, $2->Modify($3)); }

     ;
 
     ;
 

-ComprehensionForListOpt
-    : ComprehensionForList { $$ = $1; }
-    | "if" Expression { $$ = CYNew CYIfComprehension($2); }
-    | { $$ = NULL; }
+ComprehensionTail
+    : { $$ = NULL; }
+    | ComprehensionFor ComprehensionTail { $$ = $1->Modify($2); }
+    | ComprehensionIf ComprehensionTail { $$ = $1->Modify($2); }
+    ;
+
+ComprehensionFor
+    : "for" "(" Binding "of" Expression ")" { $$ = CYNew CYForOfComprehension($3, $5); }
+    ;
+
+ComprehensionIf
+    : "if" "(" AssignmentExpression ")" { $$ = CYNew CYIfComprehension($3); }

     ;
 /* }}} */
 /* 11.1.5 Object Initialiser {{{ */
     ;
 /* }}} */
 /* 11.1.5 Object Initialiser {{{ */


@@ -994,6 +1019,7 @@ LogicalORExpression
 ConditionalExpression
     : LogicalORExpression { $$ = $1; }
     | LogicalORExpression "?" LexPushInOff AssignmentExpression ":" LexPopIn AssignmentExpression { $$ = CYNew CYCondition($1, $4, $7); }
 ConditionalExpression
     : LogicalORExpression { $$ = $1; }
     | LogicalORExpression "?" LexPushInOff AssignmentExpression ":" LexPopIn AssignmentExpression { $$ = CYNew CYCondition($1, $4, $7); }

+    | LogicalORExpression "?" LexPushInOff LexSetRegExp ":" LexPopIn AssignmentExpression { $$ = CYNew CYCondition($1, $1, $7); }

     ;
 /* }}} */
 /* 11.13 Assignment Operators {{{ */
     ;
 /* }}} */
 /* 11.13 Assignment Operators {{{ */


@@ -1359,40 +1385,59 @@ ProgramBodyOpt
 
 @begin ObjectiveC
 /* Cycript (Objective-C): Type Encoding {{{ */
 
 @begin ObjectiveC
 /* Cycript (Objective-C): Type Encoding {{{ */

+TypeParenthetical
+    : "(" LexPushInOff PrefixedType ")" LexPopIn { $$ = $3; }
+    ;
+
+TypeSignifier
+    : Identifier { $$ = CYNew CYTypedIdentifier($1); }
+    | TypeParenthetical { $$ = $1; }
+    ;
+
+ArrayedType
+    : ArrayedType "[" NumericLiteral "]" { $$ = $1; $$->modifier_ = CYNew CYTypeArrayOf($3, $$->modifier_); }
+    | TypeSignifier { $$ = $1; }
+    | { $$ = CYNew CYTypedIdentifier(); }
+    ;
+
+FunctionedType
+    : "(" LexPushInOff TypedParameterListOpt ")" LexPopIn { $$ = CYNew CYTypeFunctionWith($3); }
+    ;
+

 SuffixedType
 SuffixedType

-    : IdentifierOpt { $$ = CYNew CYTypedIdentifier($1); }
-    | "(" LexPushInOff PrefixedType ")" LexPopIn { $$ = $3; }
-    | SuffixedType "[" NumericLiteral "]" { CYSetLast($1->type_) = CYNew CYTypeArrayOf($3); $$ = $1; }
+    : ArrayedType { $$ = $1; }
+    | "(" LexPushInOff "^" TypeQualifierRight ")" LexPopIn "(" LexPushInOff TypedParameterListOpt ")" LexPopIn { $$ = $4; $$->modifier_ = CYNew CYTypeBlockWith($9, $$->modifier_); }
+    | TypeParenthetical FunctionedType { $$ = $1; CYSetLast($2) = $$->modifier_; $$->modifier_ = $2; }
+    | FunctionedType { $$ = CYNew CYTypedIdentifier(); CYSetLast($1) = $$->modifier_; $$->modifier_ = $1; }

     ;
 
 PrefixedType
     ;
 
 PrefixedType

-    : SuffixedType { $$ = $1; }
-    | "const" PrefixedType { CYSetLast($2->type_) = CYNew CYTypeConstant(); $$ = $2; }
-    | "*" PrefixedType { CYSetLast($2->type_) = CYNew CYTypePointerTo(); $$ = $2; }
+    : "*" TypeQualifierRight { $$ = $2; $$->modifier_ = CYNew CYTypePointerTo($$->modifier_); }

     ;
 
     ;
 

-PrimitiveType
-    : Variable { $$ = $1; }
-    | "void" { $$  = CYNew cy::Syntax::New(CYNew CYVariable(CYNew CYIdentifier("Type")), CYNew CYArgument(CYNew CYString("v"))); }
+TypeQualifierLeft
+    : "const" TypeQualifierLeft { $$ = $2; CYSetLast($$) = CYNew CYTypeConstant(); }
+    /* XXX: | "volatile" TypeQualifierLeft { $$ = $2; CYSetLast($$) = CYNew CYTypeVolatile(); } */
+    | { $$ = NULL; }

     ;
 
     ;
 

-QualifiedType
-    : PrimitiveType { $$ = CYNew CYTypeVariable($1); }
-    | "const" QualifiedType { $$ = CYNew CYTypeConstant($2); }
+TypeQualifierRight
+    : "const" TypeQualifierRight { $$ = $2; $$->modifier_ = CYNew CYTypeConstant($$->modifier_); }
+    | PrefixedType { $$ = $1; }
+    | SuffixedType { $$ = $1; }

     ;
 
     ;
 

-ModifiedType
-    : QualifiedType { $$ = $1; }
-    | QualifiedType "*" { $$ = CYNew CYTypePointerTo($1); }
-    | QualifiedType "const" { $$ = CYNew CYTypeConstant($1); }
+PrimitiveType
+    : Variable { $$ = $1; }
+    | "void" { $$  = CYNew cy::Syntax::New(CYNew CYVariable(CYNew CYIdentifier("Type")), CYNew CYArgument(CYNew CYString("v"))); }

     ;
 
 TypedIdentifier
     ;
 
 TypedIdentifier

-    : QualifiedType PrefixedType { CYSetLast($2->type_) = $1; $$ = $2;}
+    : TypeQualifierLeft PrimitiveType TypeQualifierRight { $$ = $3; $$->type_ = $2; CYSetLast($1) = $$->modifier_; $$->modifier_ = $1; }

     ;
 
 EncodedType
     ;
 
 EncodedType

-    : TypedIdentifier { $$ = CYNew CYEncodedType($1->type_); }
+    : TypedIdentifier { $$ = CYNew CYEncodedType($1); }

     ;
 
 PrimaryExpression
     ;
 
 PrimaryExpression


@@ -1553,20 +1598,13 @@ PrimaryExpression
     ;
 /* }}} */
 /* Cycript (Objective-C): @import Directive {{{ */
     ;
 /* }}} */
 /* Cycript (Objective-C): @import Directive {{{ */

-PathName
-    : "/" PathName
-    | "." PathName
-    | Word PathName
-    |
-    ;
-
-ImportPath
-    : "<" PathName ">"
-    | StringLiteral
+Module
+    : Module "." Word { $$ = CYNew CYModule($3, $1); }
+    | Word { $$ = CYNew CYModule($1); }

     ;
 
     ;
 

-StatementListItem
-    : LexSetStatement LexSetRegExp "@import" ImportPath { $$ = CYNew CYImport(); }
+Declaration__
+    : "@import" Module { $$ = CYNew CYImport($2); }

     ;
 /* }}} */
 /* Cycript (Objective-C): Boxed Expressions {{{ */
     ;
 /* }}} */
 /* Cycript (Objective-C): Boxed Expressions {{{ */


@@ -1578,6 +1616,8 @@ BoxableExpression
     | ArrayLiteral { $$ = $1; }
     | ObjectLiteral { $$ = $1; }
     | Parenthetical { $$ = $1; }
     | ArrayLiteral { $$ = $1; }
     | ObjectLiteral { $$ = $1; }
     | Parenthetical { $$ = $1; }

+    | "YES" { $$ = CYNew CYTrue(); }
+    | "NO" { $$ = CYNew CYFalse(); }

     ;
 
 PrimaryExpression
     ;
 
 PrimaryExpression


@@ -1585,10 +1625,20 @@ PrimaryExpression
     ;
 /* }}} */
 /* Cycript (Objective-C): Block Expressions {{{ */
     ;
 /* }}} */
 /* Cycript (Objective-C): Block Expressions {{{ */

+ModifiedType
+    : TypeQualifierLeft PrimitiveType { $$ = CYNew CYTypedIdentifier(); $$->type_ = $2; $$->modifier_ = $1; }
+    | ModifiedType "*" { $$ = $1; $$->modifier_ = CYNew CYTypePointerTo($$->modifier_); }
+    ;
+

 PrimaryExpression
     : "^" ModifiedType "(" LexPushInOff TypedParameterListOpt ")" LexPopIn BRACE LexPushInOff FunctionBody "}" LexPopIn { $$ = CYNew CYObjCBlock($2, $5, $10); }
     ;
 /* }}} */
 PrimaryExpression
     : "^" ModifiedType "(" LexPushInOff TypedParameterListOpt ")" LexPopIn BRACE LexPushInOff FunctionBody "}" LexPopIn { $$ = CYNew CYObjCBlock($2, $5, $10); }
     ;
 /* }}} */

+/* Cycript (Objective-C): Instance Literals {{{ */
+PrimaryExpression
+    : "#" NumericLiteral { $$ = CYNew CYInstanceLiteral($2); }
+    ;
+/* }}} */

 @end
 
 @begin C
 @end
 
 @begin C


@@ -1628,7 +1678,7 @@ TypedParameterListOpt
     ;
 
 PrimaryExpression
     ;
 
 PrimaryExpression

-    : "[" LexPushInOff LexSetRegExp "=" "]" LexPopIn "(" LexPushInOff TypedParameterListOpt ")" LexPopIn "->" ModifiedType BRACE LexPushInOff FunctionBody "}" LexPopIn { $$ = CYNew CYLambda($13, $9, $16); }
+    : "[" LexPushInOff LexSetRegExp "&" LexSetRegExp "]" LexPopIn "(" LexPushInOff TypedParameterListOpt ")" LexPopIn "->" TypedIdentifier BRACE LexPushInOff FunctionBody "}" LexPopIn { $$ = CYNew CYLambda($14, $10, $17); }

     ;
 /* }}} */
 /* Cycript (C): Type Definitions {{{ */
     ;
 /* }}} */
 /* Cycript (C): Type Definitions {{{ */


@@ -1819,27 +1869,13 @@ Statement__
 @end
 
 /* JavaScript 1.7: Array Comprehensions {{{ */
 @end
 
 /* JavaScript 1.7: Array Comprehensions {{{ */

-IfComprehension
-    : "if" "(" Expression ")" { $$ = CYNew CYIfComprehension($3); }
+Comprehension
+    : AssignmentExpression ComprehensionFor ComprehensionTail { $$ = CYNew CYArrayComprehension($1, $2->Modify($3)); }

     ;
 
     ;
 

-ForComprehension
-    : "for" "(" Identifier "in" Expression ")" { $$ = CYNew CYForInComprehension($3, $5); }
-    | "for" "each" "(" Identifier "in" Expression ")" { $$ = CYNew CYForOfComprehension($4, $6); }
-    ;
-
-ComprehensionList
-    : ForComprehension ComprehensionListOpt { $1->SetNext($2); $$ = $1; }
-    ;
-
-ComprehensionListOpt
-    : ComprehensionList { $$ = $1; }
-    | IfComprehension { $$ = $1; }
-    | { $$ = NULL; }
-    ;
-
-PrimaryExpression
-    : "[" LexPushInOff AssignmentExpression ComprehensionList "]" LexPopIn { $$ = CYNew CYArrayComprehension($3, $4); }
+ComprehensionFor
+    : "for" "(" Binding "in" Expression ")" { $$ = CYNew CYForInComprehension($3, $5); }
+    | "for" "each" "(" Binding "in" Expression ")" { $$ = CYNew CYForOfComprehension($4, $6); }

     ;
 /* }}} */
 /* JavaScript 1.7: for each {{{ */
     ;
 /* }}} */
 /* JavaScript 1.7: for each {{{ */