Remove XXX as cur_term is not part of readline.

[cycript.git] / Cycript.yy.in

diff --git a/Cycript.yy.in b/Cycript.yy.in
index cd63aecd68db6b281609451b3158b3395725e217..62cdca23e346701ab6b54f86f9a3f0a3eb4f4b8b 100644 (file)
--- a/Cycript.yy.in
+++ b/Cycript.yy.in
@@ -39,8 +39,11 @@
 #include "E4X/Syntax.hpp"
 @end
 
+#include "Highlight.hpp"
+
 typedef struct {
     bool newline_;
+    hi::Value highlight_;
 
     union {
         bool bool_;
@@ -87,6 +90,9 @@ typedef struct {
         CYMessageParameter *messageParameter_;
         CYProtocol *protocol_;
         CYSelectorPart *selector_;
+        CYTypeModifier *type_;
+        CYTypedIdentifier *typedIdentifier_;
+        CYTypedParameter *typedParameter_;
 @end
 
 @begin E4X
@@ -225,6 +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
@@ -234,6 +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"
@@ -447,6 +455,7 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <statement_> WithStatement
 %type <word_> Word
 %type <word_> WordOpt
+%type <expression_> Variable
 
 @begin ObjectiveC
 %type <expression_> BoxableExpression
@@ -463,12 +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_
@@ -476,7 +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
 
@@ -531,15 +550,17 @@ 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 == token::AtImplementation) yychar = token::AtImplementation_; }
+LexNoAtImplementation :
+@begin ObjectiveC
+    { if (yychar == yyempty_) driver.no_.AtImplementation = true; else if (yychar == token::AtImplementation) yychar = token::AtImplementation_; }
+@end
     ;
 
 LexSetStatement
@@ -551,6 +572,10 @@ BRACE
     : "{"
     | "\n{"
     ;
+
+Var_
+    : "var"
+    ;
 /* }}} */
 
 /* 7.6 Identifier Names and Identifiers {{{ */
@@ -565,6 +590,7 @@ NewLineOpt
 
 Word
     : Identifier { $$ = $1; }
+    | "auto" { $$ = $1; }
     | "break" NewLineOpt { $$ = $1; }
     | "case" { $$ = $1; }
     | "catch" { $$ = $1; }
@@ -699,7 +725,7 @@ TerminatorOpt
 
 /* 11.1 Primary Expressions {{{ */
 Parenthetical
-    : "(" LexPushInOff Expression LexPopIn ")" { $$ = $3; }
+    : "(" LexPushInOff Expression ")" LexPopIn { $$ = $3; }
     ;
 
 ParentheticalOpt
@@ -707,9 +733,13 @@ ParentheticalOpt
     | { $$ = NULL; }
     ;
 
+Variable
+    : Identifier { $$ = CYNew CYVariable($1); }
+    ;
+
 PrimaryExpression
     : "this" { $$ = $1; }
-    | Identifier { $$ = CYNew CYVariable($1); }
+    | Variable { $$ = $1; }
     | Literal { $$ = $1; }
     | ArrayLiteral { $$ = $1; }
     | ObjectLiteral { $$ = $1; }
@@ -720,7 +750,7 @@ PrimaryExpression
 /* }}} */
 /* 11.1.4.1 Array Initialiser {{{ */
 ArrayLiteral
-    : "[" LexPushInOff ElementListOpt LexPopIn "]" { $$ = CYNew CYArray($3); }
+    : "[" LexPushInOff ElementListOpt "]" LexPopIn { $$ = CYNew CYArray($3); }
     ;
 
 Element
@@ -744,7 +774,7 @@ ElementListOpt
 /* }}} */
 /* 11.1.4.2 Array Comprehension {{{ */
 PrimaryExpression
-    : "[" LexPushInOff AssignmentExpression ComprehensionForList LexPopIn "]" { $$ = CYNew CYArrayComprehension($3, $4); }
+    : "[" LexPushInOff AssignmentExpression ComprehensionForList "]" LexPopIn { $$ = CYNew CYArrayComprehension($3, $4); }
     ;
 
 ComprehensionForList
@@ -760,12 +790,12 @@ ComprehensionForListOpt
 /* }}} */
 /* 11.1.5 Object Initialiser {{{ */
 ObjectLiteral
-    : BRACE LexPushInOff PropertyDefinitionListOpt LexPopIn "}" { $$ = CYNew CYObject($3); }
+    : BRACE LexPushInOff PropertyDefinitionListOpt "}" LexPopIn { $$ = CYNew CYObject($3); }
     ;
 
 PropertyDefinitionList_
     : "," PropertyDefinitionList { $$ = $2; }
-    | "," { $$ = NULL; }
+    | "," LexSetRegExp { $$ = NULL; }
     | { $$ = NULL; }
     ;
 
@@ -775,7 +805,7 @@ PropertyDefinitionList
 
 PropertyDefinitionListOpt
     : PropertyDefinitionList { $$ = $1; }
-    | { $$ = NULL; }
+    | LexSetRegExp { $$ = NULL; }
     ;
 
 PropertyDefinition
@@ -798,7 +828,7 @@ PropertyName
 
 /* 11.2 Left-Hand-Side Expressions {{{ */
 MemberAccess
-    : "[" LexPushInOff Expression LexPopIn "]" { $$ = CYNew CYDirectMember(NULL, $3); }
+    : "[" LexPushInOff Expression "]" LexPopIn { $$ = CYNew CYDirectMember(NULL, $3); }
     | "." IdentifierName { $$ = CYNew CYDirectMember(NULL, CYNew CYString($2)); }
     | "." AutoComplete { driver.mode_ = CYDriver::AutoDirect; YYACCEPT; }
     ;
@@ -830,7 +860,7 @@ CallExpression
     ;
 
 Arguments
-    : "(" LexPushInOff ArgumentListOpt LexPopIn ")" { $$ = $3; }
+    : "(" LexPushInOff ArgumentListOpt ")" LexPopIn { $$ = $3; }
     ;
 
 ArgumentList_
@@ -952,7 +982,7 @@ LogicalORExpression
 /* 11.12 Conditional Operator ( ? : ) {{{ */
 ConditionalExpression
     : LogicalORExpression { $$ = $1; }
-    | LogicalORExpression "?" LexPushInOff AssignmentExpression LexPopIn ":" AssignmentExpression { $$ = CYNew CYCondition($1, $4, $7); }
+    | LogicalORExpression "?" LexPushInOff AssignmentExpression ":" LexPopIn AssignmentExpression { $$ = CYNew CYCondition($1, $4, $7); }
     ;
 /* }}} */
 /* 11.13 Assignment Operators {{{ */
@@ -1048,7 +1078,7 @@ StatementList
 
 StatementListOpt
     : StatementList { $$ = $1; }
-    | LexSetRegExp { $$ = NULL; }
+    | LexSetStatement LexSetRegExp { $$ = NULL; }
     ;
 
 StatementListItem
@@ -1080,7 +1110,7 @@ LetOrConst
 /* }}} */
 /* 12.2.2 Variable Statement {{{ */
 VariableStatement
-    : "var" VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
+    : Var_ VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
     ;
 
 VariableDeclarationList_
@@ -1151,23 +1181,23 @@ IterationStatement
 /* }}} */
 /* 12.6.3 The for Statement {{{ */
 IterationStatement
-    : "for" "(" LexPushInOn ForStatementInitialiser LexPopIn ";" ExpressionOpt ";" ExpressionOpt ")" Statement { $$ = CYNew CYFor($4, $7, $9, $11); }
+    : "for" "(" LexPushInOn ForStatementInitialiser ";" LexPopIn ExpressionOpt ";" ExpressionOpt ")" Statement { $$ = CYNew CYFor($4, $7, $9, $11); }
     ;
 
 ForStatementInitialiser
     : ExpressionOpt { $$ = $1; }
-    | LexSetRegExp "var" VariableDeclarationList { $$ = CYNew CYForDeclarations($3); }
+    | LexSetRegExp Var_ VariableDeclarationList { $$ = CYNew CYForDeclarations($3); }
     ;
 /* }}} */
 /* 12.6.4 The for-in and for-of Statements {{{ */
 IterationStatement
-    : "for" "(" LexPushInOn ForInStatementInitialiser LexPopIn "!in" Expression ")" Statement { $$ = CYNew CYForIn($4, $7, $9); }
-    | "for" "(" LexPushInOn ForInStatementInitialiser LexPopIn "of" Expression ")" Statement { $$ = CYNew CYForOf($4, $7, $9); }
+    : "for" "(" LexPushInOn ForInStatementInitialiser "!in" LexPopIn Expression ")" Statement { $$ = CYNew CYForIn($4, $7, $9); }
+    | "for" "(" LexPushInOn ForInStatementInitialiser "of" LexPopIn Expression ")" Statement { $$ = CYNew CYForOf($4, $7, $9); }
     ;
 
 ForInStatementInitialiser
     : LeftHandSideExpression { $$ = $1; }
-    | LexSetRegExp "var" VariableDeclaration { $$ = $3; }
+    | LexSetRegExp Var_ VariableDeclaration { $$ = $3; }
     ;
 /* }}} */
 
@@ -1185,7 +1215,7 @@ BreakStatement
 /* }}} */
 /* 12.9 The return Statement {{{ */
 ReturnStatement
-    : "return" "\n" StrictSemi { $$ = CYNew CYReturn(NULL); }
+    : "return" LexSetRegExp "\n" StrictSemi { $$ = CYNew CYReturn(NULL); }
     | "return" ExpressionOpt Terminator { $$ = CYNew CYReturn($2); }
     ;
 /* }}} */
@@ -1225,7 +1255,7 @@ LabelledStatement
 /* }}} */
 /* 12.13 The throw Statement {{{ */
 ThrowStatement
-    : "throw" "\n" StrictSemi { YYABORT; }
+    : "throw" LexSetRegExp "\n" StrictSemi { YYABORT; }
     | "throw" Expression Terminator { $$ = CYNew cy::Syntax::Throw($2); }
     ;
 /* }}} */
@@ -1256,7 +1286,7 @@ FunctionDeclaration
     ;
 
 FunctionExpression
-    : "function" IdentifierOpt "(" LexPushInOff FormalParameterListOpt LexPopIn ")" BRACE LexPushInOff FunctionBody LexPopIn "}" { $$ = CYNew CYFunctionExpression($2, $5, $10); }
+    : "function" IdentifierOpt "(" LexPushInOff FormalParameterListOpt ")" LexPopIn BRACE LexPushInOff FunctionBody "}" LexPopIn { $$ = CYNew CYFunctionExpression($2, $5, $10); }
     ;
 
 FormalParameterList_
@@ -1298,7 +1328,7 @@ ArrowParameters
 
 ConciseBody
     : AssignmentExpression { $$ = CYNew CYReturn($1); }
-    | ";{" LexPushInOff FunctionBody LexPopIn "}" { $$ = $3; }
+    | LexSetRegExp ";{" LexPushInOff FunctionBody "}" LexPopIn { $$ = $4; }
     ;
 /* }}} */
 /* 14 Program {{{ */
@@ -1312,11 +1342,52 @@ 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); $$ = $1; }
+    ;
+
+PrefixedType
+    : SuffixedType { $$ = $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? */
@@ -1326,7 +1397,7 @@ ClassSuperOpt
 
 ClassFieldListOpt
     : Expression Identifier ";" ClassFieldListOpt { $$ = CYNew CYField($1, $2, $4); }
-    | { $$ = NULL; }
+    | LexSetRegExp { $$ = NULL; }
     ;
 
 ClassFields
@@ -1339,8 +1410,7 @@ MessageScope
     ;
 
 TypeOpt
-    : "(" Expression ")" { $$ = $2; }
-    | "(" LexSetRegExp "void" ")" { $$ = CYNew CYString("v"); }
+    : "(" LexSetRegExp EncodedType ")" { $$ = $3; }
     | { $$ = NULL; }
     ;
 
@@ -1398,7 +1468,7 @@ ClassProtocolListOpt
     ;
 
 ClassExpression
-    : "@implementation" LexPushInOff ClassNameOpt ClassSuperOpt ClassProtocolListOpt ClassFields ClassMessageDeclarationListOpt LexPopIn "@end" { $$ = CYNew CYClassExpression($3, $4, $5, $6, $7); }
+    : "@implementation" LexPushInOff ClassNameOpt ClassSuperOpt ClassProtocolListOpt ClassFields ClassMessageDeclarationListOpt "@end" LexPopIn { $$ = CYNew CYClassExpression($3, $4, $5, $6, $7); }
     ;
 
 ClassStatement
@@ -1448,8 +1518,8 @@ SelectorList
     ;
 
 MessageExpression
-    : "[" LexPushInOff AssignmentExpression { driver.contexts_.push_back($3); } SelectorList LexPopIn "]" { driver.contexts_.pop_back(); } { $$ = CYNew CYSendDirect($3, $5); }
-    | "[" LexPushInOff LexSetRegExp "super" { driver.context_ = NULL; } SelectorList LexPopIn "]" { $$ = CYNew CYSendSuper($6); }
+    : "[" LexPushInOff AssignmentExpression { driver.contexts_.push_back($3); } SelectorList "]" LexPopIn { driver.contexts_.pop_back(); } { $$ = CYNew CYSendDirect($3, $5); }
+    | "[" LexPushInOff LexSetRegExp "super" { driver.context_ = NULL; } SelectorList "]" LexPopIn { $$ = CYNew CYSendSuper($6); }
     ;
 
 SelectorExpression_
@@ -1468,7 +1538,7 @@ SelectorExpressionOpt
 
 PrimaryExpression
     : MessageExpression { $$ = $1; }
-    | "@selector" "(" LexPushInOff SelectorExpression LexPopIn ")" { $$ = CYNew CYSelector($4); }
+    | "@selector" "(" LexPushInOff SelectorExpression ")" LexPopIn { $$ = CYNew CYSelector($4); }
     ;
 /* }}} */
 /* Cycript (Objective-C): @import Directive {{{ */
@@ -1485,7 +1555,7 @@ ImportPath
     ;
 
 StatementListItem
-    : "@import" ImportPath { $$ = CYNew CYImport(); }
+    : LexSetStatement LexSetRegExp "@import" ImportPath { $$ = CYNew CYImport(); }
     ;
 /* }}} */
 /* Cycript (Objective-C): Boxed Expressions {{{ */
@@ -1503,6 +1573,25 @@ 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
 
 @begin C
@@ -1521,6 +1610,11 @@ MemberAccess
     | "->" AutoComplete { driver.mode_ = CYDriver::AutoIndirect; YYACCEPT; }
     ;
 /* }}} */
+/* Cycript (C): auto Compatibility {{{ */
+Var_
+    : "auto"
+    ;
+/* }}} */
 @end
 
 /* YUI: Documentation Comments {{{ */
@@ -1596,7 +1690,7 @@ AttributeIdentifier
 
 PropertySelector_
     : PropertySelector { $$ = $1; }
-    | "[" LexPushInOff Expression LexPopIn "]" { $$ = CYNew CYSelector($3); }
+    | "[" LexPushInOff Expression "]" LexPopIn { $$ = CYNew CYSelector($3); }
     ;
 
 PropertySelector
@@ -1626,8 +1720,8 @@ XMLInitialiser
     ;
 
 XMLElement
-    : "<" LexPushInOff XMLTagContent LexPop LexPopIn "/>"
-    | "<" LexPushInOff XMLTagContent ">" LexSetXMLContent XMLElementContentOpt "</" LexSetXMLTag XMLTagName XMLWhitespaceOpt LexPop LexPopIn ">"
+    : "<" LexPushInOff XMLTagContent LexPop "/>" LexPopIn
+    | "<" LexPushInOff XMLTagContent ">" LexSetXMLContent XMLElementContentOpt "</" LexSetXMLTag XMLTagName XMLWhitespaceOpt LexPop ">" LexPopIn
     ;
 
 XMLTagContent
@@ -1676,7 +1770,7 @@ XMLElementContentOpt
 /* }}} */
 /* 11.1.5 XMLList Initialiser {{{ */
 XMLListInitialiser
-    : "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop LexPopIn "</>" { $$ = CYNew CYXMLList($4); }
+    : "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop "</>" LexPopIn { $$ = CYNew CYXMLList($4); }
     ;
 /* }}} */
 
@@ -1724,12 +1818,12 @@ ComprehensionListOpt
     ;
 
 PrimaryExpression
-    : "[" LexPushInOff AssignmentExpression ComprehensionList LexPopIn "]" { $$ = CYNew CYArrayComprehension($3, $4); }
+    : "[" LexPushInOff AssignmentExpression ComprehensionList "]" LexPopIn { $$ = CYNew CYArrayComprehension($3, $4); }
     ;
 /* }}} */
 /* JavaScript 1.7: for each {{{ */
 IterationStatement
-    : "for" "each" "(" LexPushInOn ForInStatementInitialiser LexPopIn "!in" Expression ")" Statement { $$ = CYNew CYForOf($5, $8, $10); }
+    : "for" "each" "(" LexPushInOn ForInStatementInitialiser "!in" LexPopIn Expression ")" Statement { $$ = CYNew CYForOf($5, $8, $10); }
     ;
 /* }}} */
 /* JavaScript 1.7: let Statements {{{ */
@@ -1768,7 +1862,7 @@ RubyProcExpression
     ;
 
 PrimaryExpression
-    : "{" LexPushInOff RubyProcParameters StatementListOpt LexPopIn "}" { $$ = CYNew CYRubyProc($3, $4); }
+    : "{" LexPushInOff RubyProcParameters StatementListOpt "}" LexPopIn { $$ = CYNew CYRubyProc($3, $4); }
     ;
 
 CallExpression