X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/d5618df7c804163dceb3eb48e5406aeb9de79c96..3d79777aec98240f1bf98291672764ccdc5fddb6:/Cycript.yy.in diff --git a/Cycript.yy.in b/Cycript.yy.in index 410730a..3f240e4 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_; @@ -126,6 +129,7 @@ int cylex(YYSTYPE *, cy::location *, void *); %parse-param { CYDriver &driver } %lex-param { void *cyscanner } +/* Token Declarations {{{ */ @begin E4X %token XMLCDATA %token XMLComment @@ -233,6 +237,7 @@ int cylex(YYSTYPE *, cy::location *, void *); %token True "true" // ES3/ES5/WIE/JSC Reserved +%token Auto "auto" %token Break "break" %token Case "case" %token Catch "catch" @@ -250,7 +255,6 @@ int cylex(YYSTYPE *, cy::location *, void *); %token In_ "!in" %token InstanceOf "instanceof" %token New "new" -%token Of "of" %token Return "return" %token Switch "switch" %token This "this" @@ -309,6 +313,7 @@ int cylex(YYSTYPE *, cy::location *, void *); // Woah?! %token Each "each" +%token Of "of" @begin E4X // E4X Conditional @@ -332,6 +337,7 @@ int cylex(YYSTYPE *, cy::location *, void *); %type ArrowFunction %type ArrowParameters %type AssignmentExpression +%type Binding %type BindingIdentifier %type BitwiseANDExpression %type Block_ @@ -348,6 +354,8 @@ int cylex(YYSTYPE *, cy::location *, void *); %type CaseClause %type CaseClausesOpt %type CatchOpt +%type ComprehensionForList +%type ComprehensionForListOpt %type ComprehensionList %type ComprehensionListOpt %type ConditionalExpression @@ -382,6 +390,7 @@ int cylex(YYSTYPE *, cy::location *, void *); %type FunctionExpression %type Identifier %type IdentifierOpt +%type IdentifierName %type IfComprehension %type IfStatement %type Initialiser @@ -392,7 +401,7 @@ int cylex(YYSTYPE *, cy::location *, void *); %type LetStatement %type LexicalDeclaration %type Literal -%type LiteralNoRE +%type ValueLiteral %type LogicalANDExpression %type LogicalORExpression %type MemberAccess @@ -411,9 +420,10 @@ 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 @@ -439,13 +449,17 @@ int cylex(YYSTYPE *, cy::location *, void *); %type VariableDeclarationList %type VariableStatement %type WithStatement +%type Word +%type WordOpt @begin ObjectiveC +%type BoxableExpression %type CategoryStatement %type ClassExpression +%type ClassFieldListOpt +%type ClassFields %type ClassStatement %type ClassSuperOpt -%type ClassFieldList %type ClassMessageDeclaration %type ClassMessageDeclarationListOpt %type ClassName @@ -468,8 +482,6 @@ int cylex(YYSTYPE *, cy::location *, void *); %type SelectorWordOpt %type TypeOpt %type VariadicCall -%type Word -%type WordOpt @end @begin E4X @@ -492,12 +504,14 @@ int cylex(YYSTYPE *, cy::location *, void *); %type XMLListInitialiser %type XMLInitialiser @end - +/* }}} */ +/* Token Priorities {{{ */ %nonassoc "" %left "++" "--" %nonassoc "if" %nonassoc "else" +/* }}} */ %start Program @@ -521,48 +535,37 @@ 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_ - : ";" - | "\n" StrictSemi - ; - -Terminator - : Terminator_ - | error { if (yychar != yyeof_ && yychar != token::CloseBrace && !yylval.newline_) YYABORT; else { yyerrok; driver.errors_.pop_back(); } } StrictSemi +Var_ + : "var" ; +/* }}} */ -TerminatorOpt - : Terminator_ - | error { yyerrok; driver.errors_.pop_back(); } StrictSemi +/* 7.6 Identifier Names and Identifiers {{{ */ +IdentifierName + : Word { $$ = $1; } ; -/*CommaOpt - : "," - | - ;*/ - -@begin ObjectiveC NewLineOpt : "\n" | @@ -570,6 +573,7 @@ NewLineOpt Word : Identifier { $$ = $1; } + | "auto" { $$ = $1; } | "break" NewLineOpt { $$ = $1; } | "case" { $$ = $1; } | "catch" { $$ = $1; } @@ -591,10 +595,14 @@ Word | "if" { $$ = $1; } | "import" { $$ = $1; } /* XXX: | "in" { $$ = $1; } */ + | "!in" { $$ = $1; } /* XXX: | "instanceof" { $$ = $1; } */ + + // XXX: as it currently is not an Identifier + | "let" { $$ = $1; } + | "new" { $$ = $1; } | "null" { $$ = $1; } - | "of" { $$ = $1; } | "return" NewLineOpt { $$ = $1; } | "super" { $$ = $1; } | "switch" { $$ = $1; } @@ -614,14 +622,6 @@ WordOpt | { $$ = NULL; } ; -PrimaryExpression - : "@" LiteralNoRE { $$ = CYNew CYBox($2); } - | "@" ArrayLiteral { $$ = CYNew CYBox($2); } - | "@" ObjectLiteral { $$ = CYNew CYBox($2); } - | "@" Parenthetical { $$ = CYNew CYBox($2); } - ; -@end - Identifier : Identifier_ { $$ = $1; } @@ -650,37 +650,61 @@ Identifier | "transient" { $$ = $1; } | "volatile" { $$ = $1; } - // XXX: is this allowed?! | "let" { $$ = $1; } + // XXX: currently I only have this as Word + // | "let" { $$ = $1; } + | "yield" { $$ = $1; } | "each" { $$ = $1; } + | "of" { $$ = $1; } ; IdentifierOpt : Identifier { $$ = $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 @@ -727,27 +751,51 @@ 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); } + | { $$ = NULL; } + ; +/* }}} */ /* 11.1.5 Object Initialiser {{{ */ ObjectLiteral - : BRACE LexPushInOff PropertyNameAndValueListOpt LexPopIn "}" { $$ = 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_ - : Identifier { $$ = $1; } + : IdentifierName { $$ = $1; } | StringLiteral { $$ = $1; } | NumericLiteral { $$ = $1; } ; @@ -760,7 +808,7 @@ PropertyName /* 11.2 Left-Hand-Side Expressions {{{ */ MemberAccess : "[" LexPushInOff Expression LexPopIn "]" { $$ = CYNew CYDirectMember(NULL, $3); } - | "." Identifier { $$ = CYNew CYDirectMember(NULL, CYNew CYString($2)); } + | "." IdentifierName { $$ = CYNew CYDirectMember(NULL, CYNew CYString($2)); } | "." AutoComplete { driver.mode_ = CYDriver::AutoDirect; YYACCEPT; } ; @@ -1009,7 +1057,7 @@ StatementList StatementListOpt : StatementList { $$ = $1; } - | LexSetRegExp { $$ = NULL; } + | LexSetStatement LexSetRegExp { $$ = NULL; } ; StatementListItem @@ -1017,11 +1065,16 @@ StatementListItem | Declaration { $$ = $1; } ; /* }}} */ + /* 12.2 Declarations {{{ */ BindingIdentifier : Identifier { $$ = $1; } ; +Binding + : BindingIdentifier + ; + // XXX: BindingPattern /* }}} */ /* 12.2.1 Let and Const Declarations {{{ */ @@ -1036,7 +1089,7 @@ LetOrConst /* }}} */ /* 12.2.2 Variable Statement {{{ */ VariableStatement - : "var" VariableDeclarationList Terminator { $$ = CYNew CYVar($2); } + : Var_ VariableDeclarationList Terminator { $$ = CYNew CYVar($2); } ; VariableDeclarationList_ @@ -1073,6 +1126,7 @@ SingleNameBinding : BindingIdentifier InitialiserOpt { $$ = CYNew CYDeclaration($1, $2); } ; /* }}} */ + /* 12.3 Empty Statement {{{ */ EmptyStatement : ";" { $$ = CYNew CYEmpty(); } @@ -1111,7 +1165,7 @@ IterationStatement ForStatementInitialiser : ExpressionOpt { $$ = $1; } - | LexSetRegExp "var" VariableDeclarationList { $$ = CYNew CYForDeclarations($3); } + | LexSetRegExp Var_ VariableDeclarationList { $$ = CYNew CYForDeclarations($3); } ; /* }}} */ /* 12.6.4 The for-in and for-of Statements {{{ */ @@ -1122,23 +1176,26 @@ IterationStatement ForInStatementInitialiser : LeftHandSideExpression { $$ = $1; } - | LexSetRegExp "var" VariableDeclaration { $$ = $3; } + | LexSetRegExp Var_ VariableDeclaration { $$ = $3; } ; /* }}} */ /* 12.7 The continue Statement {{{ */ ContinueStatement - : "continue" IdentifierOpt Terminator { $$ = CYNew CYContinue($2); } + : "continue" "\n" StrictSemi { $$ = CYNew CYContinue(NULL); } + | "continue" IdentifierOpt Terminator { $$ = CYNew CYContinue($2); } ; /* }}} */ /* 12.8 The break Statement {{{ */ BreakStatement - : "break" IdentifierOpt Terminator { $$ = CYNew CYBreak($2); } + : "break" "\n" StrictSemi { $$ = CYNew CYBreak(NULL); } + | "break" IdentifierOpt Terminator { $$ = CYNew CYBreak($2); } ; /* }}} */ /* 12.9 The return Statement {{{ */ ReturnStatement - : "return" ExpressionOpt Terminator { $$ = CYNew CYReturn($2); } + : "return" "\n" StrictSemi { $$ = CYNew CYReturn(NULL); } + | "return" ExpressionOpt Terminator { $$ = CYNew CYReturn($2); } ; /* }}} */ /* 12.10 The with Statement {{{ */ @@ -1177,7 +1234,8 @@ LabelledStatement /* }}} */ /* 12.13 The throw Statement {{{ */ ThrowStatement - : "throw" Expression Terminator { $$ = CYNew cy::Syntax::Throw($2); } + : "throw" "\n" StrictSemi { YYABORT; } + | "throw" Expression Terminator { $$ = CYNew cy::Syntax::Throw($2); } ; /* }}} */ /* 12.14 The try Statement {{{ */ @@ -1239,7 +1297,7 @@ FunctionBody /* }}} */ /* 13.2 Arrow Function Definitions {{{ */ ArrowFunction - : LexSetRegExp ArrowParameters "=>" LexNoBrace ConciseBody { $$ = CYNew CYFunctionExpression(NULL, $2, $5); } + : LexSetRegExp ArrowParameters "=>" LexNoBrace ConciseBody { $$ = CYNew CYFatArrow($2, $5); } ; ArrowParameters @@ -1263,7 +1321,7 @@ ProgramBody ProgramBodyOpt : ProgramBody { $$ = $1; } - | { $$ = NULL; } + | LexSetStatement LexSetRegExp { $$ = NULL; } ; /* }}} */ @@ -1275,17 +1333,13 @@ ClassSuperOpt | { $$ = NULL; } ; -ClassField - : Expression Identifier ";" +ClassFieldListOpt + : Expression Identifier ";" ClassFieldListOpt { $$ = CYNew CYField($1, $2, $4); } + | { $$ = NULL; } ; -ClassFieldList - : BRACE ClassFieldListOpt "}" { $$ = NULL; } - ; - -ClassFieldListOpt - : ClassFieldListOpt ClassField - | +ClassFields + : BRACE ClassFieldListOpt "}" { $$ = $2; } ; MessageScope @@ -1295,7 +1349,7 @@ MessageScope TypeOpt : "(" Expression ")" { $$ = $2; } - | "(" LexSetRegExp "void" ")" { $$ = NULL; } + | "(" LexSetRegExp "void" ")" { $$ = CYNew CYString("v"); } | { $$ = NULL; } ; @@ -1353,11 +1407,11 @@ ClassProtocolListOpt ; ClassExpression - : "@implementation" LexPushInOff ClassNameOpt ClassSuperOpt ClassProtocolListOpt ClassFieldList ClassMessageDeclarationListOpt LexPopIn "@end" { $$ = CYNew CYClassExpression($3, $4, $5, $6, $7); } + : "@implementation" LexPushInOff ClassNameOpt ClassSuperOpt ClassProtocolListOpt ClassFields ClassMessageDeclarationListOpt LexPopIn "@end" { $$ = CYNew CYClassExpression($3, $4, $5, $6, $7); } ; ClassStatement - : ";@implementation" ClassName ClassSuperOpt ClassProtocolListOpt ClassFieldList ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYClassStatement($2, $3, $4, $5, $6); } + : ";@implementation" ClassName ClassSuperOpt ClassProtocolListOpt ClassFields ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYClassStatement($2, $3, $4, $5, $6); } ; CategoryName @@ -1440,7 +1494,22 @@ ImportPath ; StatementListItem - : "@import" ImportPath { $$ = 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 { $$ = CYNew CYBox($2); } ; /* }}} */ @end @@ -1457,10 +1526,15 @@ UnaryExpression_ MemberAccess : "->" "[" Expression "]" { $$ = CYNew CYIndirectMember(NULL, $3); } - | "->" Identifier { $$ = CYNew CYIndirectMember(NULL, CYNew CYString($2)); } + | "->" IdentifierName { $$ = CYNew CYIndirectMember(NULL, CYNew CYString($2)); } | "->" AutoComplete { driver.mode_ = CYDriver::AutoIndirect; YYACCEPT; } ; /* }}} */ +/* Cycript (C): auto Compatibility {{{ */ +Var_ + : "auto" + ; +/* }}} */ @end /* YUI: Documentation Comments {{{ */ @@ -1495,11 +1569,12 @@ LexSetXMLTag : { driver.SetCondition(CYDriver::XMLTagCondition); } ; /* }}} */ - +/* Virtual Tokens {{{ */ XMLWhitespaceOpt : XMLWhitespace | ; +/* }}} */ /* 8.1 Context Keywords {{{ */ Identifier @@ -1514,6 +1589,7 @@ XMLMarkup | XMLPI { $$ = $1; } ; /* }}} */ + /* 11.1 Primary Expressions {{{ */ PrimaryExpression : PropertyIdentifier { $$ = CYNew CYPropertyVariable($1); } @@ -1617,6 +1693,7 @@ XMLListInitialiser : "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop LexPopIn "" { $$ = CYNew CYXMLList($4); } ; /* }}} */ + /* 11.2 Left-Hand-Side Expressions {{{ */ PropertyIdentifier_ : Identifier { $$ = $1; } @@ -1640,20 +1717,14 @@ Statement__ /* }}} */ @end -/* ECMAScript5: Object Literal Trailing Comma {{{ */ -PropertyNameAndValueList_ - : "," { $$ = NULL; } - ; -/* }}} */ - /* JavaScript 1.7: Array Comprehensions {{{ */ IfComprehension : "if" "(" Expression ")" { $$ = CYNew CYIfComprehension($3); } ; 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