X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/5ccfc5866447d36a9b5a05f7f3b103f53137ac72..dedb352cc79448a3ba75c7d39629a0dd9772825a:/Cycript.yy.in?ds=sidebyside diff --git a/Cycript.yy.in b/Cycript.yy.in index ec7c221..8efb228 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 {{{ */ @@ -126,6 +126,7 @@ int cylex(YYSTYPE *, cy::location *, void *); %parse-param { CYDriver &driver } %lex-param { void *cyscanner } +/* Token Declarations {{{ */ @begin E4X %token XMLCDATA %token XMLComment @@ -393,7 +394,7 @@ int cylex(YYSTYPE *, cy::location *, void *); %type LetStatement %type LexicalDeclaration %type Literal -%type LiteralNoRE +%type ValueLiteral %type LogicalANDExpression %type LogicalORExpression %type MemberAccess @@ -412,9 +413,10 @@ int cylex(YYSTYPE *, cy::location *, void *); %type ProgramBodyOpt %type PropertyName_ %type PropertyName -%type PropertyNameAndValueList_ -%type PropertyNameAndValueList -%type PropertyNameAndValueListOpt +%type PropertyDefinition +%type PropertyDefinitionList_ +%type PropertyDefinitionList +%type PropertyDefinitionListOpt %type RelationalExpression %type ReturnStatement %type RubyProcExpression @@ -444,6 +446,7 @@ int cylex(YYSTYPE *, cy::location *, void *); %type WordOpt @begin ObjectiveC +%type BoxableExpression %type CategoryStatement %type ClassExpression %type ClassStatement @@ -493,12 +496,14 @@ int cylex(YYSTYPE *, cy::location *, void *); %type XMLListInitialiser %type XMLInitialiser @end - +/* }}} */ +/* Token Priorities {{{ */ %nonassoc "" %left "++" "--" %nonassoc "if" %nonassoc "else" +/* }}} */ %start Program @@ -529,44 +534,31 @@ LexNoFunction : { if (yychar == token::Function) yychar = token::Function_; } ; +LexNoAtImplementation + : { 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 - ; - -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 { $$ = $1; } | "break" NewLineOpt { $$ = $1; } @@ -617,15 +609,6 @@ 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; } @@ -667,27 +650,48 @@ 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" { $$ = $1; } ; +/* }}} */ + +/* 7.9 Automatic Semicolon Insertion {{{ */ +StrictSemi + : { driver.Warning(yylloc, "warning, automatic semi-colon insertion required"); } + ; + +Terminator + : ";" + | error { if (yychar != yyeof_ && yychar != token::CloseBrace && !yylval.newline_) YYABORT; else { yyerrok; driver.errors_.pop_back(); } } StrictSemi + ; + +TerminatorOpt + : ";" + | error { yyerrok; driver.errors_.pop_back(); } StrictSemi + ; +/* }}} */ /* 11.1 Primary Expressions {{{ */ Parenthetical @@ -736,23 +740,31 @@ ElementListOpt /* }}} */ /* 11.1.5 Object Initialiser {{{ */ ObjectLiteral - : BRACE LexPushInOff PropertyNameAndValueListOpt LexPopIn "}" { $$ = CYNew CYObject($3); } + : BRACE LexPushInOff PropertyDefinitionListOpt LexPopIn "}" { $$ = CYNew CYObject($3); } ; -PropertyNameAndValueList_ - : "," PropertyNameAndValueList { $$ = $2; } +PropertyDefinitionList_ + : "," PropertyDefinitionList { $$ = $2; } + | "," { $$ = NULL; } | { $$ = NULL; } ; -PropertyNameAndValueList - : PropertyName ":" AssignmentExpression PropertyNameAndValueList_ { $$ = CYNew CYProperty($1, $3, $4); } +PropertyDefinitionList + : PropertyDefinition PropertyDefinitionList_ { $1->SetNext($2); $$ = $1; } ; -PropertyNameAndValueListOpt - : PropertyNameAndValueList { $$ = $1; } +PropertyDefinitionListOpt + : PropertyDefinitionList { $$ = $1; } | { $$ = NULL; } ; +PropertyDefinition + // XXX: this should be IdentifierName + : LexSetRegExp Identifier { $$ = CYNew CYProperty($2, CYNew CYVariable($2)); } + | PropertyName ":" AssignmentExpression { $$ = CYNew CYProperty($1, $3); } + //| MethodDefinition + ; + PropertyName_ : IdentifierName { $$ = $1; } | StringLiteral { $$ = $1; } @@ -1024,6 +1036,7 @@ StatementListItem | Declaration { $$ = $1; } ; /* }}} */ + /* 12.2 Declarations {{{ */ BindingIdentifier : Identifier { $$ = $1; } @@ -1080,6 +1093,7 @@ SingleNameBinding : BindingIdentifier InitialiserOpt { $$ = CYNew CYDeclaration($1, $2); } ; /* }}} */ + /* 12.3 Empty Statement {{{ */ EmptyStatement : ";" { $$ = CYNew CYEmpty(); } @@ -1454,6 +1468,21 @@ StatementListItem : "@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 { $$ = CYNew CYBox($2); } + ; +/* }}} */ @end @begin C @@ -1506,11 +1535,12 @@ LexSetXMLTag : { driver.SetCondition(CYDriver::XMLTagCondition); } ; /* }}} */ - +/* Virtual Tokens {{{ */ XMLWhitespaceOpt : XMLWhitespace | ; +/* }}} */ /* 8.1 Context Keywords {{{ */ Identifier @@ -1525,6 +1555,7 @@ XMLMarkup | XMLPI { $$ = $1; } ; /* }}} */ + /* 11.1 Primary Expressions {{{ */ PrimaryExpression : PropertyIdentifier { $$ = CYNew CYPropertyVariable($1); } @@ -1628,6 +1659,7 @@ XMLListInitialiser : "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop LexPopIn "" { $$ = CYNew CYXMLList($4); } ; /* }}} */ + /* 11.2 Left-Hand-Side Expressions {{{ */ PropertyIdentifier_ : Identifier { $$ = $1; } @@ -1651,12 +1683,6 @@ Statement__ /* }}} */ @end -/* ECMAScript5: Object Literal Trailing Comma {{{ */ -PropertyNameAndValueList_ - : "," { $$ = NULL; } - ; -/* }}} */ - /* JavaScript 1.7: Array Comprehensions {{{ */ IfComprehension : "if" "(" Expression ")" { $$ = CYNew CYIfComprehension($3); }