/* Cycript - Optimizing JavaScript Compiler/Runtime * Copyright (C) 2009-2015 Jay Freeman (saurik) */ /* GNU Affero General Public License, Version 3 {{{ */ /* * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . **/ /* }}} */ %code top { #define YYSTACKEXPANDABLE 1 } %code requires { #include "Driver.hpp" #include "Parser.hpp" #include "Stack.hpp" #define CYNew new(driver.pool_) @begin ObjectiveC #include "ObjectiveC/Syntax.hpp" @end @begin E4X #include "E4X/Syntax.hpp" @end #include "Highlight.hpp" } %union { bool bool_; } %union { CYMember *access_; } %union { CYArgument *argument_; } %union { CYAssignment *assignment_; } %union { CYBoolean *boolean_; } %union { CYClause *clause_; } %union { cy::Syntax::Catch *catch_; } %union { CYClassTail *classTail_; } %union { CYComprehension *comprehension_; } %union { CYDeclaration *declaration_; } %union { CYDeclarations *declarations_; } %union { CYElement *element_; } %union { CYExpression *expression_; } %union { CYFalse *false_; } %union { CYVariable *variable_; } %union { CYFinally *finally_; } %union { CYForInitializer *for_; } %union { CYForInInitializer *forin_; } %union { CYFunctionParameter *functionParameter_; } %union { CYIdentifier *identifier_; } %union { CYInfix *infix_; } %union { CYLiteral *literal_; } %union { CYMethod *method_; } %union { CYModule *module_; } %union { CYNull *null_; } %union { CYNumber *number_; } %union { CYParenthetical *parenthetical_; } %union { CYProperty *property_; } %union { CYPropertyName *propertyName_; } %union { CYRubyProc *rubyProc_; } %union { CYSpan *span_; } %union { CYStatement *statement_; } %union { CYString *string_; } %union { CYThis *this_; } %union { CYTrue *true_; } %union { CYWord *word_; } @begin C %union { CYTypeModifier *modifier_; } %union { CYTypeSpecifier *specifier_; } %union { CYTypedIdentifier *typedIdentifier_; } %union { CYTypedParameter *typedParameter_; } @end @begin ObjectiveC %union { CYMessage *message_; } %union { CYMessageParameter *messageParameter_; } %union { CYImplementationField *implementationField_; } %union { CYProtocol *protocol_; } %union { CYSelectorPart *selector_; } @end @begin E4X %union { CYAttribute *attribute_; } %union { CYPropertyIdentifier *propertyIdentifier_; } %union { CYSelector *selector_; } @end %code provides { struct YYSTYPE { cy::parser::semantic_type semantic_; hi::Value highlight_; }; int cylex(YYSTYPE *, CYLocation *, void *); } %code { #undef yylex _finline int yylex(cy::parser::semantic_type *semantic, CYLocation *location, CYDriver &driver) { if (driver.mark_ == CYMarkIgnore); else if (driver.mark_ == CYMarkScript) { driver.mark_ = CYMarkIgnore; return cy::parser::token::MarkScript; } else if (driver.mark_ == CYMarkModule) { driver.mark_ = CYMarkIgnore; return cy::parser::token::MarkModule; } YYSTYPE data; int token(cylex(&data, location, driver.scanner_)); *semantic = data.semantic_; return token; } #define CYLEX() do if (yyla.empty()) { \ YYCDEBUG << "Mapping a token: "; \ yyla.type = yytranslate_(yylex(&yyla.value, &yyla.location, driver)); \ YY_SYMBOL_PRINT("Next token is", yyla); \ } while (false) #define CYMAP(to, from) do { \ CYLEX(); \ if (yyla.type == yytranslate_(token::from)) \ yyla.type = yytranslate_(token::to); \ } while (false) #define CYERR(location, message) do { \ error(location, message); \ YYABORT; \ } while (false) #define CYNOT(location) \ CYERR(location, "unimplemented feature") } %name-prefix "cy" %language "C++" %initial-action { @$.begin.filename = @$.end.filename = &driver.filename_; }; %locations %defines %define api.location.type { CYLocation } //%glr-parser //%expect 1 %error-verbose %param { CYDriver &driver } /* Token Declarations {{{ */ @begin E4X %token XMLCDATA %token XMLComment %token XMLPI %token XMLAttributeValue %token XMLName %token XMLTagCharacters %token XMLText %token XMLWhitespace @end @begin E4X %token LeftRight "<>" %token LeftSlashRight "" %token SlashRight "/>" %token LeftSlash "" %token EqualRight_ "\n=>" %token Exclamation "!" %token ExclamationEqual "!=" %token ExclamationEqualEqual "!==" %token Hyphen "-" %token HyphenEqual "-=" %token HyphenHyphen "--" %token HyphenHyphen_ "\n--" %token HyphenRight "->" %token Left "<" %token LeftEqual "<=" %token LeftLeft "<<" %token LeftLeftEqual "<<=" %token Percent "%" %token PercentEqual "%=" %token Period "." %token PeriodPeriodPeriod "..." %token Pipe "|" %token PipeEqual "|=" %token PipePipe "||" %token Plus "+" %token PlusEqual "+=" %token PlusPlus "++" %token PlusPlus_ "\n++" %token Right ">" %token RightEqual ">=" %token RightRight ">>" %token RightRightEqual ">>=" %token RightRightRight ">>>" %token RightRightRightEqual ">>>=" %token Slash "/" %token SlashEqual "/=" %token Star "*" %token StarEqual "*=" %token Tilde "~" %token Colon ":" %token Comma "," %token Question "?" %token SemiColon ";" %token NewLine "\n" %token Comment %token OpenParen "(" %token CloseParen ")" %token OpenBrace "{" %token OpenBrace_ "\n{" %token OpenBrace__ ";{" %token CloseBrace "}" %token OpenBracket "[" %token CloseBracket "]" %token At_error_ "@error" @begin Java %token At_class_ "@class" @end @begin C %token _typedef_ "typedef" %token _unsigned_ "unsigned" %token _signed_ "signed" %token _extern_ "extern" @end @begin C %token At_encode_ "@encode" @end @begin ObjectiveC %token At_implementation_ "@implementation" %token At_import_ "@import" %token At_end_ "@end" %token At_selector_ "@selector" %token At_null_ "@null" %token At_YES_ "@YES" %token At_NO_ "@NO" %token At_true_ "@true" %token At_false_ "@false" %token _YES_ "YES" %token _NO_ "NO" @end %token _false_ "false" %token _null_ "null" %token _true_ "true" %token _break_ "break" %token _case_ "case" %token _catch_ "catch" %token _class_ "class" %token _class__ ";class" %token _const_ "const" %token _continue_ "continue" %token _debugger_ "debugger" %token _default_ "default" %token _delete_ "delete" %token _do_ "do" %token _else_ "else" %token _enum_ "enum" %token _export_ "export" %token _extends_ "extends" %token _finally_ "finally" %token _for_ "for" %token _function_ "function" %token _function__ ";function" %token _if_ "if" %token _import_ "import" %token _in_ "in" %token _in__ "!in" %token _instanceof_ "instanceof" %token _new_ "new" %token _return_ "return" %token _return__ "!return" %token _super_ "super" %token _super__ "!super" %token _switch_ "switch" %token _this_ "this" %token _throw_ "throw" %token _try_ "try" %token _typeof_ "typeof" %token _var_ "var" %token _void_ "void" %token _while_ "while" %token _with_ "with" %token _abstract_ "abstract" %token _await_ "await" %token _boolean_ "boolean" %token _byte_ "byte" %token _char_ "char" %token _constructor_ "constructor" %token _double_ "double" %token _final_ "final" %token _float_ "float" %token _from_ "from" %token _get_ "get" %token _goto_ "goto" %token _implements_ "implements" %token _int_ "int" %token _interface_ "interface" %token _let_ "let" %token _long_ "long" %token _native_ "native" %token _package_ "package" %token _private_ "private" %token _protected_ "protected" %token _prototype_ "prototype" %token _public_ "public" %token _set_ "set" %token _short_ "short" %token _static_ "static" %token _synchronized_ "synchronized" %token _throws_ "throws" %token _transient_ "transient" %token _volatile_ "volatile" %token _yield_ "yield" %token _yield__ "!yield" %token _undefined_ "undefined" @begin ObjectiveC %token _bool_ "bool" %token _BOOL_ "BOOL" %token _id_ "id" %token _nil_ "nil" %token _NULL_ "NULL" %token _SEL_ "SEL" @end %token _auto_ "auto" %token _each_ "each" %token _of_ "of" @begin E4X %token _namespace_ "namespace" %token _xml_ "xml" @end %token AutoComplete %token YieldStar %token Identifier_ %token NumericLiteral %token StringLiteral %token RegularExpressionLiteral %token NoSubstitutionTemplate %token TemplateHead %token TemplateMiddle %token TemplateTail %type AdditiveExpression %type ArgumentList_ %type ArgumentList %type ArgumentListOpt %type Arguments %type ArrayComprehension %type ArrayLiteral %type ArrowFunction %type ArrowParameters %type AssignmentExpression %type AssignmentExpressionOpt %type BindingIdentifier %type BindingIdentifierOpt %type BindingList_ %type BindingList %type BitwiseANDExpression %type Block %type BlockStatement %type BooleanLiteral %type BindingElement %type BitwiseORExpression %type BitwiseXORExpression %type BreakStatement %type BreakableStatement %type CallExpression_ %type CallExpression %type CaseBlock %type CaseClause %type CaseClausesOpt %type Catch %type CatchParameter %type ClassDeclaration %type ClassExpression %type ClassHeritage %type ClassHeritageOpt %type ClassTail %type Comprehension %type ComprehensionFor %type ComprehensionIf %type ComprehensionTail %type ComputedPropertyName %type ConditionalExpression %type ContinueStatement %type ConciseBody %type CoverParenthesizedExpressionAndArrowParameterList %type DebuggerStatement %type Declaration__ %type Declaration_ %type Declaration %type DefaultClause %type ElementList %type ElementListOpt %type ElseStatementOpt %type EmptyStatement %type EqualityExpression %type Expression %type ExpressionOpt %type ExpressionStatement %type Finally %type ForBinding %type ForDeclaration %type ForInStatementInitializer %type ForStatementInitializer %type FormalParameter %type FormalParameterList_ %type FormalParameterList %type FormalParameters %type FunctionBody %type FunctionDeclaration %type FunctionExpression %type FunctionStatementList %type GeneratorBody %type GeneratorDeclaration %type GeneratorExpression %type GeneratorMethod %type HoistableDeclaration %type Identifier %type IdentifierType %type IdentifierName %type IdentifierReference %type IfStatement %type Initializer %type InitializerOpt %type IterationStatement %type LabelIdentifier %type LabelledItem %type LabelledStatement %type LeftHandSideExpression %type LexicalBinding %type LexicalDeclaration %type Literal %type LiteralPropertyName %type LogicalANDExpression %type LogicalORExpression %type MemberAccess %type MemberExpression %type MethodDefinition %type ModulePath %type MultiplicativeExpression %type NewExpression %type NullLiteral %type ObjectLiteral %type PostfixExpression %type PrimaryExpression %type PropertyName %type PropertyDefinition %type PropertyDefinitionList_ %type PropertyDefinitionList %type PropertyDefinitionListOpt %type PropertySetParameterList %type RelationalExpression %type ReturnStatement %type RubyProcExpression %type RubyProcParameterList_ %type RubyProcParameterList %type RubyProcParameters %type RubyProcParametersOpt %type Script %type ScriptBody %type ScriptBodyOpt %type ShiftExpression %type SingleNameBinding %type Statement__ %type Statement_ %type Statement %type StatementList %type StatementListOpt %type StatementListItem %type StrictFormalParameters %type SuperCall %type SuperProperty %type SwitchStatement %type TemplateLiteral %type TemplateSpans %type ThrowStatement %type TryStatement %type UnaryExpression_ %type UnaryExpression %type VariableDeclaration %type VariableDeclarationList_ %type VariableDeclarationList %type VariableStatement %type WithStatement %type Word @begin ObjectiveC %type WordOpt @end %type YieldExpression @begin C %type IntegerType %type IntegerTypeOpt %type PrefixedType %type PrimitiveType %type SuffixedType %type TypeSignifier %type TypeQualifierLeft %type TypeQualifierRight %type TypedIdentifier %type TypedParameterList_ %type TypedParameterList %type TypedParameterListOpt @end @begin ObjectiveC %type BoxableExpression %type CategoryStatement %type ClassSuperOpt %type ImplementationFieldListOpt %type ImplementationFields %type ClassMessageDeclaration %type ClassMessageDeclarationListOpt %type ClassProtocolListOpt %type ClassProtocols %type ClassProtocolsOpt %type ImplementationStatement %type MessageExpression %type MessageParameter %type MessageParameters %type MessageParameterList %type MessageParameterListOpt %type MessageScope %type SelectorCall_ %type SelectorCall %type SelectorExpression_ %type SelectorExpression %type SelectorExpressionOpt %type SelectorList %type SelectorWordOpt %type TypeOpt %type VariadicCall @end @begin E4X %type PropertyIdentifier_ %type PropertySelector_ %type PropertySelector %type QualifiedIdentifier_ %type QualifiedIdentifier %type WildcardIdentifier %type XMLComment %type XMLCDATA %type XMLElement %type XMLElementContent %type XMLMarkup %type XMLPI %type AttributeIdentifier /* XXX: %type DefaultXMLNamespaceStatement */ %type PropertyIdentifier %type XMLListInitialiser %type XMLInitialiser @end /* }}} */ /* Token Priorities {{{ */ %nonassoc "" %left "++" "--" "{" %nonassoc "if" %nonassoc "else" /* }}} */ %start Program %token MarkModule %token MarkScript %% Program : MarkScript Script | MarkModule Module ; /* Lexer State {{{ */ LexPushInOn: { driver.in_.push(true); }; LexPushInOff: { driver.in_.push(false); }; LexPopIn: { driver.in_.pop(); }; LexPushReturnOn: { driver.return_.push(true); }; LexPopReturn: { driver.return_.pop(); }; LexPushSuperOn: { driver.super_.push(true); }; LexPushSuperOff: { driver.super_.push(false); }; LexPopSuper: { driver.super_.pop(); }; LexPushYieldOn: { driver.yield_.push(true); }; LexPushYieldOff: { driver.yield_.push(false); }; LexPopYield: { driver.yield_.pop(); }; LexSetRegExp : { CYLEX(); if (yyla.type == yytranslate_(token::Slash)) { yyla.clear(); driver.SetRegEx(false); } else if (yyla.type == yytranslate_(token::SlashEqual)) { yyla.clear(); driver.SetRegEx(true); } } ; LexNewLine : { if (!yyla.empty() && yyla.type_get() != yyeof_) CYERR(@$, "unexpected lookahead"); driver.next_ = true; } ; LexNoStar : { CYMAP(YieldStar, Star); } ; LexNoBrace : { CYMAP(OpenBrace__, OpenBrace); CYMAP(OpenBrace__, OpenBrace_); } ; LexNoClass : { CYMAP(_class__, _class_); } ; LexNoFunction : { CYMAP(_function__, _function_); } ; LexSetStatement : LexNoBrace LexNoClass LexNoFunction ; /* }}} */ /* Virtual Tokens {{{ */ BRACE : "{" | "\n{" ; Var_ : "var" ; /* }}} */ /* 11.6 Names and Keywords {{{ */ IdentifierName : Word { $$ = $1; } | "for" { $$ = CYNew CYWord("for"); } | "in" { $$ = CYNew CYWord("in"); } | "instanceof" { $$ = CYNew CYWord("instanceof"); } ; NewLineOpt : "\n" | ; Word : Identifier { $$ = $1; } | "auto" { $$ = CYNew CYWord("auto"); } | "break" { $$ = CYNew CYWord("break"); } | "case" { $$ = CYNew CYWord("case"); } | "catch" { $$ = CYNew CYWord("catch"); } | "class" { $$ = CYNew CYWord("class"); } | ";class" { $$ = CYNew CYWord("class"); } | "const" { $$ = CYNew CYWord("const"); } | "continue" { $$ = CYNew CYWord("continue"); } | "debugger" { $$ = CYNew CYWord("debugger"); } | "default" { $$ = CYNew CYWord("default"); } | "delete" LexSetRegExp { $$ = CYNew CYWord("delete"); } | "do" { $$ = CYNew CYWord("do"); } | "else" { $$ = CYNew CYWord("else"); } | "enum" { $$ = CYNew CYWord("enum"); } | "export" { $$ = CYNew CYWord("export"); } | "extends" { $$ = CYNew CYWord("extends"); } | "false" { $$ = CYNew CYWord("false"); } | "finally" { $$ = CYNew CYWord("finally"); } | "function" { $$ = CYNew CYWord("function"); } | "if" { $$ = CYNew CYWord("if"); } | "import" { $$ = CYNew CYWord("import"); } | "!in" { $$ = CYNew CYWord("in"); } | "new" LexSetRegExp { $$ = CYNew CYWord("new"); } | "null" { $$ = CYNew CYWord("null"); } | "return" { $$ = CYNew CYWord("return"); } | "!return" { $$ = CYNew CYWord("return"); } | "super" { $$ = CYNew CYWord("super"); } | "!super" { $$ = CYNew CYWord("super"); } | "switch" { $$ = CYNew CYWord("switch"); } | "this" { $$ = CYNew CYWord("this"); } | "throw" { $$ = CYNew CYWord("throw"); } | "true" { $$ = CYNew CYWord("true"); } | "try" { $$ = CYNew CYWord("try"); } | "typeof" LexSetRegExp { $$ = CYNew CYWord("typeof"); } | "var" { $$ = CYNew CYWord("var"); } | "void" LexSetRegExp { $$ = CYNew CYWord("void"); } | "while" { $$ = CYNew CYWord("while"); } | "with" { $$ = CYNew CYWord("with"); } | "yield" { $$ = CYNew CYIdentifier("yield"); } | Yield LexSetRegExp NewLineOpt { $$ = CYNew CYIdentifier("yield"); } // XXX: should be Identifier | "let" { $$ = CYNew CYIdentifier("let"); } ; @begin ObjectiveC WordOpt : Word { $$ = $1; } | { $$ = NULL; } ; @end /* }}} */ /* 11.8.1 Null Literals {{{ */ NullLiteral : "null" { $$ = CYNew CYNull(); } ; /* }}} */ /* 11.8.2 Boolean Literals {{{ */ BooleanLiteral : "true" { $$ = CYNew CYTrue(); } | "false" { $$ = CYNew CYFalse(); } ; /* }}} */ /* 11.9 Automatic Semicolon Insertion {{{ */ StrictSemi : { driver.Warning(@$, "warning, automatic semi-colon insertion required"); } ; TerminatorSoft : ";" | "\n" StrictSemi ; Terminator : ";" | error { if (yyla.type_get() != yyeof_ && yyla.type != yytranslate_(token::CloseBrace) && !driver.newline_) { CYERR(@1, "required semi-colon"); } else { yyerrok; driver.errors_.pop_back(); } } StrictSemi ; TerminatorOpt : ";" | error { yyerrok; driver.errors_.pop_back(); } StrictSemi ; /* }}} */ /* 12.1 Identifiers {{{ */ IdentifierReference : Identifier { $$ = CYNew CYVariable($1); } | "yield" { $$ = CYNew CYVariable(CYNew CYIdentifier("yield")); } ; BindingIdentifier : Identifier { $$ = $1; } | "yield" { $$ = CYNew CYIdentifier("yield"); } ; BindingIdentifierOpt : BindingIdentifier { $$ = $1; } | { $$ = NULL; } ; LabelIdentifier : Identifier { $$ = $1; } | "yield" { $$ = CYNew CYIdentifier("yield"); } ; IdentifierType : Identifier_ { $$ = $1; } | "abstract" { $$ = CYNew CYIdentifier("abstract"); } | "await" { $$ = CYNew CYIdentifier("await"); } | "boolean" { $$ = CYNew CYIdentifier("boolean"); } | "byte" { $$ = CYNew CYIdentifier("byte"); } | "constructor" { $$ = CYNew CYIdentifier("constructor"); } | "double" { $$ = CYNew CYIdentifier("double"); } | "each" { $$ = CYNew CYIdentifier("each"); } | "final" { $$ = CYNew CYIdentifier("final"); } | "float" { $$ = CYNew CYIdentifier("float"); } | "from" { $$ = CYNew CYIdentifier("from"); } | "get" { $$ = CYNew CYIdentifier("get"); } | "goto" { $$ = CYNew CYIdentifier("goto"); } | "implements" { $$ = CYNew CYIdentifier("implements"); } | "interface" { $$ = CYNew CYIdentifier("interface"); } | "native" { $$ = CYNew CYIdentifier("native"); } | "of" { $$ = CYNew CYIdentifier("of"); } | "package" { $$ = CYNew CYIdentifier("package"); } | "private" { $$ = CYNew CYIdentifier("private"); } | "protected" { $$ = CYNew CYIdentifier("protected"); } | "prototype" { $$ = CYNew CYIdentifier("prototype"); } | "public" { $$ = CYNew CYIdentifier("public"); } | "set" { $$ = CYNew CYIdentifier("set"); } | "synchronized" { $$ = CYNew CYIdentifier("synchronized"); } | "throws" { $$ = CYNew CYIdentifier("throws"); } | "transient" { $$ = CYNew CYIdentifier("transient"); } | "undefined" { $$ = CYNew CYIdentifier("undefined"); } @begin ObjectiveC | "bool" { $$ = CYNew CYIdentifier("bool"); } | "BOOL" { $$ = CYNew CYIdentifier("BOOL"); } | "id" { $$ = CYNew CYIdentifier("id"); } | "SEL" { $$ = CYNew CYIdentifier("SEL"); } @end ; Identifier : IdentifierType | "char" { $$ = CYNew CYIdentifier("char"); } | "int" { $$ = CYNew CYIdentifier("int"); } | "long" { $$ = CYNew CYIdentifier("long"); } | "short" { $$ = CYNew CYIdentifier("short"); } | "static" { $$ = CYNew CYIdentifier("static"); } | "volatile" { $$ = CYNew CYIdentifier("volatile"); } @begin C | "extern" { $$ = CYNew CYIdentifier("extern"); } | "signed" { $$ = CYNew CYIdentifier("signed"); } | "typedef" { $$ = CYNew CYIdentifier("typedef"); } | "unsigned" { $$ = CYNew CYIdentifier("unsigned"); } @end @begin ObjectiveC | "nil" { $$ = CYNew CYIdentifier("nil"); } | "NO" { $$ = CYNew CYIdentifier("NO"); } | "NULL" { $$ = CYNew CYIdentifier("NULL"); } | "YES" { $$ = CYNew CYIdentifier("YES"); } @end ; /* }}} */ /* 12.2 Primary Expression {{{ */ PrimaryExpression : "this" { $$ = CYNew CYThis(); } | IdentifierReference { $$ = $1; } | Literal { $$ = $1; } | ArrayLiteral { $$ = $1; } | ObjectLiteral { $$ = $1; } | FunctionExpression { $$ = $1; } | ClassExpression { $$ = $1; } | GeneratorExpression { $$ = $1; } | RegularExpressionLiteral { $$ = $1; } | TemplateLiteral { $$ = $1; } | CoverParenthesizedExpressionAndArrowParameterList { if ($1 == NULL) CYERR(@1, "invalid parenthetical"); $$ = $1; } | AutoComplete { driver.mode_ = CYDriver::AutoPrimary; YYACCEPT; } ; CoverParenthesizedExpressionAndArrowParameterList : "(" LexPushInOff Expression ")" LexPopIn { $$ = CYNew CYParenthetical($3); } | "(" LexPushInOff LexSetRegExp ")" LexPopIn { $$ = NULL; } | "(" LexPushInOff LexSetRegExp "..." BindingIdentifier ")" LexPopIn { CYNOT(@$); } | "(" LexPushInOff Expression "," LexSetRegExp "..." BindingIdentifier ")" LexPopIn { CYNOT(@$); } ; /* }}} */ /* 12.2.4 Literals {{{ */ Literal : NullLiteral { $$ = $1; } | BooleanLiteral { $$ = $1; } | NumericLiteral { $$ = $1; } | StringLiteral { $$ = $1; } ; /* }}} */ /* 12.2.5 Array Initializer {{{ */ ArrayLiteral : "[" LexPushInOff ElementListOpt "]" LexPopIn { $$ = CYNew CYArray($3); } ; ElementList : AssignmentExpressionOpt "," ElementListOpt { $$ = CYNew CYElementValue($1, $3); } | LexSetRegExp "..." AssignmentExpression { $$ = CYNew CYElementSpread($3); } | AssignmentExpression { $$ = CYNew CYElementValue($1, NULL); } ; ElementListOpt : ElementList { $$ = $1; } | LexSetRegExp { $$ = NULL; } ; /* }}} */ /* 12.2.6 Object Initializer {{{ */ ObjectLiteral : BRACE LexPushInOff PropertyDefinitionListOpt "}" LexPopIn { $$ = CYNew CYObject($3); } ; PropertyDefinitionList_ : "," PropertyDefinitionListOpt { $$ = $2; } | { $$ = NULL; } ; PropertyDefinitionList : PropertyDefinition PropertyDefinitionList_ { $1->SetNext($2); $$ = $1; } ; PropertyDefinitionListOpt : LexSetRegExp PropertyDefinitionList { $$ = $2; } | LexSetRegExp { $$ = NULL; } ; PropertyDefinition : IdentifierReference { $$ = CYNew CYPropertyValue($1->name_, $1); } | CoverInitializedName { CYNOT(@$); } | PropertyName ":" AssignmentExpression { $$ = CYNew CYPropertyValue($1, $3); } | MethodDefinition { $$ = $1; } ; PropertyName : LiteralPropertyName { $$ = $1; } | ComputedPropertyName { $$ = $1; } ; LiteralPropertyName : IdentifierName { $$ = $1; } | StringLiteral { $$ = $1; } | NumericLiteral { $$ = $1; } ; ComputedPropertyName : "[" AssignmentExpression "]" { $$ = CYNew CYComputed($2); } ; CoverInitializedName : IdentifierReference Initializer ; Initializer : "=" AssignmentExpression { $$ = $2; } ; InitializerOpt : Initializer { $$ = $1; } | { $$ = NULL; } ; /* }}} */ /* 12.2.9 Template Literals {{{ */ TemplateLiteral : NoSubstitutionTemplate { $$ = CYNew CYTemplate($1, NULL); } | TemplateHead TemplateSpans { $$ = CYNew CYTemplate($1, $2); } ; TemplateSpans : Expression TemplateMiddle TemplateSpans { $$ = CYNew CYSpan($1, $2, $3); } | Expression TemplateTail { $$ = CYNew CYSpan($1, $2, NULL); } ; /* }}} */ /* 12.3 Left-Hand-Side Expressions {{{ */ MemberAccess : "[" LexPushInOff Expression "]" LexPopIn { $$ = CYNew CYDirectMember(NULL, $3); } | "." IdentifierName { $$ = CYNew CYDirectMember(NULL, CYNew CYString($2)); } | "." AutoComplete { driver.mode_ = CYDriver::AutoDirect; YYACCEPT; } | TemplateLiteral { CYNOT(@$); } ; MemberExpression : LexSetRegExp PrimaryExpression { $$ = $2; } | MemberExpression { driver.context_ = $1; } MemberAccess { $3->SetLeft($1); $$ = $3; } | SuperProperty { $$ = $1; } | MetaProperty { CYNOT(@$); } | LexSetRegExp "new" MemberExpression Arguments { $$ = CYNew cy::Syntax::New($3, $4); } ; SuperProperty : LexSetRegExp "!super" "[" Expression "]" { $$ = CYNew CYSuperAccess($4); } | LexSetRegExp "!super" "." IdentifierName { $$ = CYNew CYSuperAccess(CYNew CYString($4)); } ; MetaProperty : NewTarget ; NewTarget : LexSetRegExp "new" LexSetRegExp "." "target" ; NewExpression : MemberExpression { $$ = $1; } | LexSetRegExp "new" NewExpression { $$ = CYNew cy::Syntax::New($3, NULL); } ; CallExpression_ : MemberExpression | CallExpression ; CallExpression : CallExpression_ Arguments { $$ = CYNew CYCall($1, $2); } | SuperCall { $$ = $1; } | CallExpression { driver.context_ = $1; } MemberAccess { $3->SetLeft($1); $$ = $3; } ; SuperCall : LexSetRegExp "!super" Arguments { $$ = CYNew CYSuperCall($3); } ; Arguments : "(" LexPushInOff ArgumentListOpt ")" LexPopIn { $$ = $3; } ; ArgumentList_ : "," ArgumentList { $$ = $2; } | { $$ = NULL; } ; ArgumentList : AssignmentExpression ArgumentList_ { $$ = CYNew CYArgument(NULL, $1, $2); } | LexSetRegExp "..." AssignmentExpression { CYNOT(@$); } ; ArgumentListOpt : ArgumentList { $$ = $1; } | LexSetRegExp { $$ = NULL; } ; LeftHandSideExpression : NewExpression { $$ = $1; } | CallExpression { $$ = $1; } ; /* }}} */ /* 12.4 Postfix Expressions {{{ */ PostfixExpression : %prec "" LeftHandSideExpression { $$ = $1; } | LeftHandSideExpression "++" { $$ = CYNew CYPostIncrement($1); } | LeftHandSideExpression "--" { $$ = CYNew CYPostDecrement($1); } ; /* }}} */ /* 12.5 Unary Operators {{{ */ UnaryExpression_ : "delete" UnaryExpression { $$ = CYNew CYDelete($2); } | "void" UnaryExpression { $$ = CYNew CYVoid($2); } | "typeof" UnaryExpression { $$ = CYNew CYTypeOf($2); } | "++" UnaryExpression { $$ = CYNew CYPreIncrement($2); } | "\n++" UnaryExpression { $$ = CYNew CYPreIncrement($2); } | "--" UnaryExpression { $$ = CYNew CYPreDecrement($2); } | "\n--" UnaryExpression { $$ = CYNew CYPreDecrement($2); } | "+" UnaryExpression { $$ = CYNew CYAffirm($2); } | "-" UnaryExpression { $$ = CYNew CYNegate($2); } | "~" UnaryExpression { $$ = CYNew CYBitwiseNot($2); } | "!" UnaryExpression { $$ = CYNew CYLogicalNot($2); } ; UnaryExpression : %prec "" PostfixExpression { $$ = $1; } | LexSetRegExp UnaryExpression_ { $$ = $2; } ; /* }}} */ /* 12.6 Multiplicative Operators {{{ */ MultiplicativeExpression : UnaryExpression { $$ = $1; } | MultiplicativeExpression "*" UnaryExpression { $$ = CYNew CYMultiply($1, $3); } | MultiplicativeExpression "/" UnaryExpression { $$ = CYNew CYDivide($1, $3); } | MultiplicativeExpression "%" UnaryExpression { $$ = CYNew CYModulus($1, $3); } ; /* }}} */ /* 12.7 Additive Operators {{{ */ AdditiveExpression : MultiplicativeExpression { $$ = $1; } | AdditiveExpression "+" MultiplicativeExpression { $$ = CYNew CYAdd($1, $3); } | AdditiveExpression "-" MultiplicativeExpression { $$ = CYNew CYSubtract($1, $3); } ; /* }}} */ /* 12.8 Bitwise Shift Operators {{{ */ ShiftExpression : AdditiveExpression { $$ = $1; } | ShiftExpression "<<" AdditiveExpression { $$ = CYNew CYShiftLeft($1, $3); } | ShiftExpression ">>" AdditiveExpression { $$ = CYNew CYShiftRightSigned($1, $3); } | ShiftExpression ">>>" AdditiveExpression { $$ = CYNew CYShiftRightUnsigned($1, $3); } ; /* }}} */ /* 12.9 Relational Operators {{{ */ RelationalExpression : ShiftExpression { $$ = $1; } | RelationalExpression "<" ShiftExpression { $$ = CYNew CYLess($1, $3); } | RelationalExpression ">" ShiftExpression { $$ = CYNew CYGreater($1, $3); } | RelationalExpression "<=" ShiftExpression { $$ = CYNew CYLessOrEqual($1, $3); } | RelationalExpression ">=" ShiftExpression { $$ = CYNew CYGreaterOrEqual($1, $3); } | RelationalExpression "instanceof" ShiftExpression { $$ = CYNew CYInstanceOf($1, $3); } | RelationalExpression "in" ShiftExpression { $$ = CYNew CYIn($1, $3); } ; /* }}} */ /* 12.10 Equality Operators {{{ */ EqualityExpression : RelationalExpression { $$ = $1; } | EqualityExpression "==" RelationalExpression { $$ = CYNew CYEqual($1, $3); } | EqualityExpression "!=" RelationalExpression { $$ = CYNew CYNotEqual($1, $3); } | EqualityExpression "===" RelationalExpression { $$ = CYNew CYIdentical($1, $3); } | EqualityExpression "!==" RelationalExpression { $$ = CYNew CYNotIdentical($1, $3); } ; /* }}} */ /* 12.11 Binary Bitwise Operators {{{ */ BitwiseANDExpression : EqualityExpression { $$ = $1; } | BitwiseANDExpression "&" EqualityExpression { $$ = CYNew CYBitwiseAnd($1, $3); } ; BitwiseXORExpression : BitwiseANDExpression { $$ = $1; } | BitwiseXORExpression "^" BitwiseANDExpression { $$ = CYNew CYBitwiseXOr($1, $3); } ; BitwiseORExpression : BitwiseXORExpression { $$ = $1; } | BitwiseORExpression "|" BitwiseXORExpression { $$ = CYNew CYBitwiseOr($1, $3); } ; /* }}} */ /* 12.12 Binary Logical Operators {{{ */ LogicalANDExpression : BitwiseORExpression { $$ = $1; } | LogicalANDExpression "&&" BitwiseORExpression { $$ = CYNew CYLogicalAnd($1, $3); } ; LogicalORExpression : LogicalANDExpression { $$ = $1; } | LogicalORExpression "||" LogicalANDExpression { $$ = CYNew CYLogicalOr($1, $3); } ; /* }}} */ /* 12.13 Conditional Operator ( ? : ) {{{ */ ConditionalExpression : LogicalORExpression { $$ = $1; } | LogicalORExpression "?" LexPushInOff AssignmentExpression ":" LexPopIn AssignmentExpression { $$ = CYNew CYCondition($1, $4, $7); } ; /* }}} */ /* 12.14 Assignment Operators {{{ */ AssignmentExpression : ConditionalExpression { $$ = $1; } | LexSetRegExp YieldExpression { $$ = $2; } | ArrowFunction { $$ = $1; } | LeftHandSideExpression "=" AssignmentExpression { $$ = CYNew CYAssign($1, $3); } | LeftHandSideExpression "*=" AssignmentExpression { $$ = CYNew CYMultiplyAssign($1, $3); } | LeftHandSideExpression "/=" AssignmentExpression { $$ = CYNew CYDivideAssign($1, $3); } | LeftHandSideExpression "%=" AssignmentExpression { $$ = CYNew CYModulusAssign($1, $3); } | LeftHandSideExpression "+=" AssignmentExpression { $$ = CYNew CYAddAssign($1, $3); } | LeftHandSideExpression "-=" AssignmentExpression { $$ = CYNew CYSubtractAssign($1, $3); } | LeftHandSideExpression "<<=" AssignmentExpression { $$ = CYNew CYShiftLeftAssign($1, $3); } | LeftHandSideExpression ">>=" AssignmentExpression { $$ = CYNew CYShiftRightSignedAssign($1, $3); } | LeftHandSideExpression ">>>=" AssignmentExpression { $$ = CYNew CYShiftRightUnsignedAssign($1, $3); } | LeftHandSideExpression "&=" AssignmentExpression { $$ = CYNew CYBitwiseAndAssign($1, $3); } | LeftHandSideExpression "^=" AssignmentExpression { $$ = CYNew CYBitwiseXOrAssign($1, $3); } | LeftHandSideExpression "|=" AssignmentExpression { $$ = CYNew CYBitwiseOrAssign($1, $3); } ; AssignmentExpressionOpt : AssignmentExpression { $$ = $1; } | LexSetRegExp { $$ = NULL; } ; /* }}} */ /* 12.15 Comma Operator ( , ) {{{ */ Expression : AssignmentExpression { $$ = $1; } | Expression "," AssignmentExpression { $$ = CYNew CYCompound($1, $3); } ; ExpressionOpt : Expression { $$ = $1; } | LexSetRegExp { $$ = NULL; } ; /* }}} */ /* 13 Statements and Declarations {{{ */ Statement__ : BlockStatement { $$ = $1; } | VariableStatement { $$ = $1; } | EmptyStatement { $$ = $1; } | IfStatement { $$ = $1; } | BreakableStatement { $$ = $1; } | ContinueStatement { $$ = $1; } | BreakStatement { $$ = $1; } | ReturnStatement { $$ = $1; } | WithStatement { $$ = $1; } | LabelledStatement { $$ = $1; } | ThrowStatement { $$ = $1; } | TryStatement { $$ = $1; } | DebuggerStatement { $$ = $1; } ; Statement_ : LexSetRegExp Statement__ { $$ = $2; } | ExpressionStatement { $$ = $1; } ; Statement : LexSetStatement Statement_ { $$ = $2; } ; Declaration__ : HoistableDeclaration { $$ = $1; } | ClassDeclaration { $$ = $1; } | LexicalDeclaration { $$ = $1; } ; Declaration_ : LexSetRegExp Declaration__ { $$ = $2; } ; Declaration : LexSetStatement Declaration_ { $$ = $2; } ; HoistableDeclaration : FunctionDeclaration { $$ = $1; } | GeneratorDeclaration { $$ = $1; } ; BreakableStatement : IterationStatement { $$ = $1; } | SwitchStatement { $$ = $1; } ; /* }}} */ /* 13.2 Block {{{ */ BlockStatement : ";{" StatementListOpt "}" { $$ = CYNew CYBlock($2); } ; Block : BRACE StatementListOpt "}" { $$ = $2; } ; StatementList : StatementListItem StatementListOpt { $1->SetNext($2); $$ = $1; } ; StatementListOpt : StatementList { $$ = $1; } | LexSetStatement LexSetRegExp { $$ = NULL; } ; StatementListItem : Statement { $$ = $1; } | Declaration { $$ = $1; } ; /* }}} */ /* 13.3 Let and Const Declarations {{{ */ LexicalDeclaration : LetOrConst BindingList Terminator { $$ = CYNew CYLet($2); } ; LetOrConst : "let" | "const" ; BindingList_ : "," BindingList { $$ = $2; } | { $$ = NULL; } ; BindingList : LexicalBinding BindingList_ { $$ = CYNew CYDeclarations($1, $2); } ; LexicalBinding : BindingIdentifier InitializerOpt { $$ = CYNew CYDeclaration($1, $2); } | BindingPattern Initializer { CYNOT(@1); } ; /* }}} */ /* 13.3.2 Variable Statement {{{ */ VariableStatement : Var_ VariableDeclarationList Terminator { $$ = CYNew CYVar($2); } ; VariableDeclarationList_ : "," VariableDeclarationList { $$ = $2; } | { $$ = NULL; } ; VariableDeclarationList : VariableDeclaration VariableDeclarationList_ { $$ = CYNew CYDeclarations($1, $2); } ; VariableDeclaration : BindingIdentifier InitializerOpt { $$ = CYNew CYDeclaration($1, $2); } | BindingPattern Initializer { CYNOT(@1); } ; /* }}} */ /* 13.3.3 Destructuring Binding Patterns {{{ */ BindingPattern : ObjectBindingPattern | ArrayBindingPattern ; ObjectBindingPattern : BRACE BindingPropertyListOpt "}" ; ArrayBindingPattern : "[" { CYNOT(@$); } ; BindingPropertyList_ : "," BindingPropertyListOpt | ; BindingPropertyList : BindingProperty BindingPropertyList_ ; BindingPropertyListOpt : BindingPropertyList | ; BindingProperty : SingleNameBinding | PropertyName ":" BindingElement ; BindingElement : SingleNameBinding { $$ = $1; } | BindingPattern InitializerOpt { CYNOT(@$); } ; SingleNameBinding : BindingIdentifier InitializerOpt { $$ = CYNew CYDeclaration($1, $2); } ; BindingRestElement : "..." BindingIdentifier ; /* }}} */ /* 13.4 Empty Statement {{{ */ EmptyStatement : ";" { $$ = CYNew CYEmpty(); } ; /* }}} */ /* 13.5 Expression Statement {{{ */ ExpressionStatement : Expression Terminator { $$ = CYNew CYExpress($1); } ; /* }}} */ /* 13.6 The if Statement {{{ */ ElseStatementOpt : "else" Statement { $$ = $2; } | %prec "if" { $$ = NULL; } ; IfStatement : "if" "(" Expression ")" Statement ElseStatementOpt { $$ = CYNew CYIf($3, $5, $6); } ; /* }}} */ /* 13.7 Iteration Statements {{{ */ IterationStatement : "do" Statement "while" "(" Expression ")" TerminatorOpt { $$ = CYNew CYDoWhile($5, $2); } | "while" "(" Expression ")" Statement { $$ = CYNew CYWhile($3, $5); } | "for" "(" LexPushInOn ForStatementInitializer ";" LexPopIn ExpressionOpt ";" ExpressionOpt ")" Statement { $$ = CYNew CYFor($4, $7, $9, $11); } | "for" "(" LexPushInOn ForInStatementInitializer "!in" LexPopIn Expression ")" Statement { $$ = CYNew CYForIn($4, $7, $9); } | "for" "(" LexPushInOn ForInStatementInitializer "of" LexPopIn Expression ")" Statement { $$ = CYNew CYForOf($4, $7, $9); } ; ForStatementInitializer : ExpressionOpt { $$ = $1; } | LexSetRegExp Var_ VariableDeclarationList { $$ = CYNew CYForDeclarations($3); } | LexSetRegExp LexicalDeclaration { CYNOT(@$); } ; ForInStatementInitializer : LeftHandSideExpression { $$ = $1; } | LexSetRegExp Var_ ForBinding { $$ = $3; } | LexSetRegExp ForDeclaration { $$ = $2; } ; ForDeclaration : LetOrConst ForBinding { $$ = $2; } ; ForBinding : BindingIdentifier { $$ = CYNew CYDeclaration($1, NULL); } | BindingPattern { CYNOT(@1); } ; /* }}} */ /* 13.8 The continue Statement {{{ */ Continue : "continue" LexNewLine ; ContinueStatement : Continue TerminatorSoft { $$ = CYNew CYContinue(NULL); } | Continue Identifier Terminator { $$ = CYNew CYContinue($2); } ; /* }}} */ /* 13.9 The break Statement {{{ */ Break : "break" LexNewLine ; BreakStatement : Break TerminatorSoft { $$ = CYNew CYBreak(NULL); } | Break Identifier Terminator { $$ = CYNew CYBreak($2); } ; /* }}} */ /* 13.10 The return Statement {{{ */ Return : "!return" LexNewLine ; ReturnStatement : Return LexSetRegExp TerminatorSoft { $$ = CYNew CYReturn(NULL); } | Return Expression Terminator { $$ = CYNew CYReturn($2); } ; /* }}} */ /* 13.11 The with Statement {{{ */ WithStatement : "with" "(" Expression ")" Statement { $$ = CYNew CYWith($3, $5); } ; /* }}} */ /* 13.12 The switch Statement {{{ */ SwitchStatement : "switch" "(" Expression ")" CaseBlock { $$ = CYNew CYSwitch($3, $5); } ; CaseBlock : BRACE CaseClausesOpt "}" { $$ = $2; } ; CaseClause : "case" Expression ":" StatementListOpt { $$ = CYNew CYClause($2, $4); } ; CaseClausesOpt : CaseClause CaseClausesOpt { $1->SetNext($2); $$ = $1; } | DefaultClause CaseClausesOpt { $1->SetNext($2); $$ = $1; } | { $$ = NULL; } ; // XXX: the standard makes certain you can only have one of these DefaultClause : "default" ":" StatementListOpt { $$ = CYNew CYClause(NULL, $3); } ; /* }}} */ /* 13.13 Labelled Statements {{{ */ LabelledStatement : LabelIdentifier ":" LabelledItem { $$ = CYNew CYLabel($1, $3); } ; LabelledItem : Statement { $$ = $1; } | LexSetStatement LexSetRegExp FunctionDeclaration { $$ = $3; } ; /* }}} */ /* 13.14 The throw Statement {{{ */ Throw : "throw" LexNewLine ; ThrowStatement : Throw LexSetRegExp TerminatorSoft { CYERR(@1, "throw without exception"); } | Throw Expression Terminator { $$ = CYNew cy::Syntax::Throw($2); } ; /* }}} */ /* 13.15 The try Statement {{{ */ TryStatement : "try" Block Catch { $$ = CYNew cy::Syntax::Try($2, $3, NULL); } | "try" Block Finally { $$ = CYNew cy::Syntax::Try($2, NULL, $3); } | "try" Block Catch Finally { $$ = CYNew cy::Syntax::Try($2, $3, $4); } ; Catch : "catch" "(" CatchParameter ")" Block { $$ = CYNew cy::Syntax::Catch($3, $5); } ; Finally : "finally" Block { $$ = CYNew CYFinally($2); } ; CatchParameter : BindingIdentifier { $$ = $1; } | BindingPattern { CYNOT(@$); } ; /* }}} */ /* 13.16 The debugger Statement {{{ */ DebuggerStatement : "debugger" Terminator { $$ = CYNew CYDebugger(); } ; /* }}} */ /* 14.1 Function Definitions {{{ */ FunctionDeclaration : ";function" BindingIdentifier "(" FormalParameters ")" BRACE LexPushSuperOff FunctionBody "}" LexPopSuper { $$ = CYNew CYFunctionStatement($2, $4, $8); } ; FunctionExpression : "function" BindingIdentifierOpt "(" LexPushInOff FormalParameters ")" LexPopIn BRACE LexPushSuperOff LexPushInOff FunctionBody "}" LexPopIn LexPopSuper { $$ = CYNew CYFunctionExpression($2, $5, $11); } ; StrictFormalParameters : FormalParameters { $$ = $1; } ; FormalParameters : { $$ = NULL; } | FormalParameterList ; FormalParameterList_ : "," FormalParameterList { $$ = $2; } | { $$ = NULL; } ; FormalParameterList : FunctionRestParameter { CYNOT(@$); } | FormalParameter FormalParameterList_ { $$ = CYNew CYFunctionParameter($1, $2); } ; FunctionRestParameter : BindingRestElement ; FormalParameter : BindingElement { $$ = $1; } ; FunctionBody : LexPushYieldOff FunctionStatementList LexPopYield { $$ = $2; } ; FunctionStatementList : LexPushReturnOn StatementListOpt LexPopReturn { $$ = $2; } ; /* }}} */ /* 14.2 Arrow Function Definitions {{{ */ ArrowFunction : LexSetRegExp ArrowParameters "=>" LexNoBrace ConciseBody { $$ = CYNew CYFatArrow($2, $5); } ; ArrowParameters : BindingIdentifier { $$ = CYNew CYFunctionParameter(CYNew CYDeclaration($1)); } | CoverParenthesizedExpressionAndArrowParameterList { if ($1 == NULL) $$ = NULL; else { $$ = $1->expression_->Parameter(); if ($$ == NULL) CYERR(@1, "invalid parameter list"); } } ; ConciseBody : AssignmentExpression { $$ = CYNew CYReturn($1); } | LexSetRegExp ";{" LexPushInOff FunctionBody "}" LexPopIn { $$ = $4; } ; /* }}} */ /* 14.3 Method Definitions {{{ */ MethodDefinition : PropertyName "(" StrictFormalParameters ")" BRACE FunctionBody "}" { $$ = CYNew CYPropertyMethod($1, $3, $6); } | GeneratorMethod { $$ = $1; } | "get" PropertyName "(" ")" BRACE FunctionBody "}" { $$ = CYNew CYPropertyGetter($2, $6); } | "set" PropertyName "(" PropertySetParameterList ")" BRACE FunctionBody "}" { $$ = CYNew CYPropertySetter($2, CYNew CYFunctionParameter($4), $7); } ; PropertySetParameterList : FormalParameter { $$ = $1; } ; /* }}} */ /* 14.4 Generator Function Definitions {{{ */ GeneratorMethod : "*" PropertyName "(" StrictFormalParameters ")" BRACE GeneratorBody "}" { CYNOT(@$); /* $$ = CYNew CYGeneratorMethod($2, $4, $7); */ } ; GeneratorDeclaration : ";function" "*" BindingIdentifier "(" FormalParameters ")" BRACE GeneratorBody "}" { CYNOT(@$); /* $$ = CYNew CYGeneratorStatement($3, $5, $8); */ } ; GeneratorExpression : "function" "*" BindingIdentifierOpt "(" FormalParameters ")" BRACE GeneratorBody "}" { CYNOT(@$); /* $$ = CYNew CYGeneratorExpression($3, $5, $8); */ } ; GeneratorBody : LexPushYieldOn FunctionStatementList LexPopYield { $$ = $2; } ; Yield : "!yield" LexNewLine LexNoStar ; YieldExpression : Yield LexSetRegExp "\n" { CYNOT(@$); /* $$ = CYNew CYYieldValue(NULL); */ } | Yield AssignmentExpression { CYNOT(@$); /* $$ = CYNew CYYieldValue($2); */ } | Yield LexSetRegExp YieldStar AssignmentExpression { CYNOT(@$); /* $$ = CYNew CYYieldGenerator($4); */ } ; /* }}} */ /* 14.5 Class Definitions {{{ */ ClassDeclaration : ";class" BindingIdentifier ClassTail { $$ = CYNew CYClassStatement($2, $3); } ; ClassExpression : "class" BindingIdentifierOpt ClassTail { $$ = CYNew CYClassExpression($2, $3); } ; ClassTail : ClassHeritageOpt { driver.class_.push($1); } BRACE LexPushSuperOn ClassBodyOpt "}" LexPopSuper { driver.class_.pop(); $$ = $1; } ; ClassHeritage : "extends" LeftHandSideExpression { $$ = CYNew CYClassTail($2); } ; ClassHeritageOpt : ClassHeritage { $$ = $1; } | { $$ = CYNew CYClassTail(NULL); } ; ClassBody : ClassElementList ; ClassBodyOpt : ClassBody | ; ClassElementList : ClassElementListOpt ClassElement ; ClassElementListOpt : ClassElementList | ; ClassElement : MethodDefinition { if (CYFunctionExpression *constructor = $1->Constructor()) driver.class_.top()->constructor_ = constructor; else driver.class_.top()->instance_->*$1; } | "static" MethodDefinition { driver.class_.top()->static_->*$2; } | ";" ; /* }}} */ /* 15.1 Scripts {{{ */ Script : ScriptBodyOpt { driver.script_ = CYNew CYScript($1); } ; ScriptBody : StatementList { $$ = $1; } ; ScriptBodyOpt : ScriptBody { $$ = $1; } | LexSetStatement LexSetRegExp { $$ = NULL; } ; /* }}} */ /* 15.2 Modules {{{ */ Module : ModuleBodyOpt ; ModuleBody : ModuleItemList ; ModuleBodyOpt : ModuleBody | ; ModuleItemList : ModuleItemListOpt ModuleItem ; ModuleItemListOpt : ModuleItemList | ; ModuleItem : LexSetStatement LexSetRegExp ImportDeclaration | LexSetStatement LexSetRegExp ExportDeclaration | StatementListItem ; /* }}} */ /* 15.2.2 Imports {{{ */ ImportDeclaration : "import" ImportClause FromClause Terminator | "import" ModuleSpecifier Terminator ; ImportClause : ImportedDefaultBinding | NameSpaceImport | NamedImports | ImportedDefaultBinding "," NameSpaceImport | ImportedDefaultBinding "," NamedImports ; ImportedDefaultBinding : ImportedBinding ; NameSpaceImport : "*" "as" ImportedBinding ; NamedImports : BRACE ImportsListOpt "}" ; FromClause : "from" ModuleSpecifier ; ImportsList_ : "," ImportsListOpt | ; ImportsList : ImportSpecifier ImportsList_ ; ImportsListOpt : ImportsList | ; ImportSpecifier : ImportedBinding | IdentifierName "as" ImportedBinding ; ModuleSpecifier : StringLiteral ; ImportedBinding : BindingIdentifier ; /* }}} */ /* 15.2.3 Exports {{{ */ ExportDeclaration_ : "*" FromClause Terminator | ExportClause FromClause Terminator | ExportClause Terminator | VariableStatement | "default" LexSetStatement LexSetRegExp HoistableDeclaration | "default" LexSetStatement LexSetRegExp ClassDeclaration | "default" LexSetStatement AssignmentExpression Terminator ; ExportDeclaration : "export" LexSetStatement LexSetRegExp ExportDeclaration_ | "export" Declaration ; ExportClause : ";{" ExportsListOpt "}" ; ExportsList_ : "," ExportsListOpt | ; ExportsList : ExportSpecifier ExportsList_ ; ExportsListOpt : ExportsList | ; ExportSpecifier : IdentifierName | IdentifierName "as" IdentifierName ; /* }}} */ @begin C /* Cycript (C): Type Encoding {{{ */ TypeSignifier : IdentifierType { $$ = CYNew CYTypedIdentifier(@1, $1); } | "(" LexPushInOff "*" TypeQualifierRight ")" LexPopIn { $$ = $4; } ; SuffixedType : SuffixedType "[" NumericLiteral "]" { $$ = $1; $$->modifier_ = CYNew CYTypeArrayOf($3, $$->modifier_); } | "(" LexPushInOff "^" TypeQualifierRight ")" LexPopIn "(" LexPushInOff TypedParameterListOpt ")" LexPopIn { $$ = $4; $$->modifier_ = CYNew CYTypeBlockWith($9, $$->modifier_); } | TypeSignifier "(" LexPushInOff TypedParameterListOpt ")" LexPopIn { $$ = $1; $$->modifier_ = CYNew CYTypeFunctionWith($4, $$->modifier_); } | "(" LexPushInOff TypedParameterListOpt ")" LexPopIn { $$ = CYNew CYTypedIdentifier(@1); $$->modifier_ = CYNew CYTypeFunctionWith($3, $$->modifier_); } | TypeSignifier { $$ = $1; } | { $$ = CYNew CYTypedIdentifier(@$); } ; PrefixedType : "*" TypeQualifierRight { $$ = $2; $$->modifier_ = CYNew CYTypePointerTo($$->modifier_); } ; TypeQualifierLeft : { $$ = NULL; } | "const" TypeQualifierLeft { $$ = $2; CYSetLast($$) = CYNew CYTypeConstant(); } | "volatile" TypeQualifierLeft { $$ = $2; CYSetLast($$) = CYNew CYTypeVolatile(); } ; TypeQualifierRight : PrefixedType { $$ = $1; } | SuffixedType { $$ = $1; } | "const" TypeQualifierRight { $$ = $2; $$->modifier_ = CYNew CYTypeConstant($$->modifier_); } | "volatile" TypeQualifierRight { $$ = $2; $$->modifier_ = CYNew CYTypeVolatile($$->modifier_); } ; IntegerType : "int" { $$ = CYNew CYTypeVariable("int"); } | "unsigned" IntegerTypeOpt { $$ = CYNew CYTypeUnsigned($2); } | "signed" IntegerTypeOpt { $$ = CYNew CYTypeSigned($2); } | "long" IntegerTypeOpt { $$ = CYNew CYTypeLong($2); } | "short" IntegerTypeOpt { $$ = CYNew CYTypeShort($2); } ; IntegerTypeOpt : IntegerType { $$ = $1; } | { $$ = CYNew CYTypeVariable("int"); } ; PrimitiveType : IdentifierType { $$ = CYNew CYTypeVariable($1); } | IntegerType { $$ = $1; } | "void" { $$ = CYNew CYTypeVoid(); } | "char" { $$ = CYNew CYTypeVariable("char"); } | "signed" "char" { $$ = CYNew CYTypeSigned(CYNew CYTypeVariable("char")); } | "unsigned" "char" { $$ = CYNew CYTypeUnsigned(CYNew CYTypeVariable("char")); } ; TypedIdentifier : TypeQualifierLeft PrimitiveType TypeQualifierRight { $$ = $3; $$->specifier_ = $2; CYSetLast($1) = $$->modifier_; $$->modifier_ = $1; } ; PrimaryExpression : "@encode" "(" TypedIdentifier ")" { $$ = CYNew CYEncodedType($3); } ; /* }}} */ @end @begin ObjectiveC /* Cycript (Objective-C): @class Declaration {{{ */ ClassSuperOpt /* XXX: why the hell did I choose MemberExpression? */ : ":" LexSetRegExp MemberExpression { $$ = $3; } | { $$ = NULL; } ; ImplementationFieldListOpt : TypedIdentifier ";" ImplementationFieldListOpt { $$ = CYNew CYImplementationField($1, $3); } | LexSetRegExp { $$ = NULL; } ; ImplementationFields : BRACE ImplementationFieldListOpt "}" { $$ = $2; } ; MessageScope : "+" { $$ = false; } | "-" { $$ = true; } ; TypeOpt : "(" LexSetRegExp TypedIdentifier ")" { if ($3->identifier_ != NULL) CYERR($3->location_, "unexpected identifier"); $$ = $3; } | { $$ = CYNew CYTypedIdentifier(CYNew CYTypeVariable("id")); } ; MessageParameter : Word ":" TypeOpt Identifier { $3->identifier_ = $4; $$ = CYNew CYMessageParameter($1, $3); } ; MessageParameterList : MessageParameter MessageParameterListOpt { $1->SetNext($2); $$ = $1; } ; MessageParameterListOpt : MessageParameterList { $$ = $1; } | { $$ = NULL; } ; MessageParameters : MessageParameterList { $$ = $1; } | Word { $$ = CYNew CYMessageParameter($1, NULL); } ; ClassMessageDeclaration : MessageScope TypeOpt MessageParameters BRACE LexPushSuperOn FunctionBody "}" LexPopSuper { $$ = CYNew CYMessage($1, $2, $3, $6); } ; ClassMessageDeclarationListOpt : ClassMessageDeclarationListOpt ClassMessageDeclaration { $2->SetNext($1); $$ = $2; } | { $$ = NULL; } ; // XXX: this should be AssignmentExpressionNoRight ClassProtocols : ShiftExpression ClassProtocolsOpt { $$ = CYNew CYProtocol($1, $2); } ; ClassProtocolsOpt : "," ClassProtocols { $$ = $2; } | { $$ = NULL; } ; ClassProtocolListOpt : "<" ClassProtocols ">" { $$ = $2; } | { $$ = NULL; } ; ImplementationStatement : "@implementation" Identifier ClassSuperOpt ClassProtocolListOpt ImplementationFields ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYImplementation($2, $3, $4, $5, $6); } ; CategoryName : "(" WordOpt ")" ; CategoryStatement : "@implementation" Identifier CategoryName ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYCategory($2, $4); } ; Statement__ : ImplementationStatement { $$ = $1; } | CategoryStatement { $$ = $1; } ; /* }}} */ /* Cycript (Objective-C): Send Message {{{ */ VariadicCall : "," AssignmentExpression VariadicCall { $$ = CYNew CYArgument(NULL, $2, $3); } | { $$ = NULL; } ; SelectorWordOpt : WordOpt { driver.contexts_.back().words_.push_back($1); } { $$ = $1; } | AutoComplete { driver.mode_ = CYDriver::AutoMessage; YYACCEPT; } ; SelectorCall_ : SelectorCall { $$ = $1; } | VariadicCall { $$ = $1; } ; SelectorCall : SelectorWordOpt ":" AssignmentExpression SelectorCall_ { $$ = CYNew CYArgument($1 ?: CYNew CYWord(""), $3, $4); } ; SelectorList : SelectorCall { $$ = $1; } | Word { $$ = CYNew CYArgument($1, NULL); } ; 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); } ; SelectorExpression_ : WordOpt ":" SelectorExpressionOpt { $$ = CYNew CYSelectorPart($1, true, $3); } ; SelectorExpression : SelectorExpression_ { $$ = $1; } | Word { $$ = CYNew CYSelectorPart($1, false, NULL); } ; SelectorExpressionOpt : SelectorExpression_ { $$ = $1; } | { $$ = NULL; } ; PrimaryExpression : MessageExpression { $$ = $1; } | "@selector" "(" LexPushInOff SelectorExpression ")" LexPopIn { $$ = CYNew CYSelector($4); } ; /* }}} */ @end /* Cycript: @import Directive {{{ */ ModulePath : ModulePath "." Word { $$ = CYNew CYModule($3, $1); } | Word { $$ = CYNew CYModule($1); } ; Declaration__ : "@import" ModulePath { $$ = CYNew CYImport($2); } ; /* }}} */ @begin ObjectiveC /* Cycript (Objective-C): Boxed Expressions {{{ */ BoxableExpression : NullLiteral { $$ = $1; } | BooleanLiteral { $$ = $1; } | NumericLiteral { $$ = $1; } | StringLiteral { $$ = $1; } | ArrayLiteral { $$ = $1; } | ObjectLiteral { $$ = $1; } | CoverParenthesizedExpressionAndArrowParameterList { $$ = $1; } | "YES" { $$ = CYNew CYTrue(); } | "NO" { $$ = CYNew CYFalse(); } ; PrimaryExpression : "@" BoxableExpression { $$ = CYNew CYBox($2); } | "@YES" { $$ = CYNew CYBox(CYNew CYTrue()); } | "@NO" { $$ = CYNew CYBox(CYNew CYFalse()); } | "@true" { $$ = CYNew CYBox(CYNew CYTrue()); } | "@false" { $$ = CYNew CYBox(CYNew CYFalse()); } | "@null" { $$ = CYNew CYBox(CYNew CYNull()); } ; /* }}} */ /* Cycript (Objective-C): Block Expressions {{{ */ PrimaryExpression : "^" TypedIdentifier { if ($2->identifier_ != NULL) CYERR($2->location_, "unexpected identifier"); } BRACE LexPushInOff FunctionBody "}" LexPopIn { if (CYTypeFunctionWith *function = $2->Function()) $$ = CYNew CYObjCBlock($2, function->parameters_, $6); else CYERR($2->location_, "expected parameters"); } ; /* }}} */ /* Cycript (Objective-C): Instance Literals {{{ */ PrimaryExpression : "#" NumericLiteral { $$ = CYNew CYInstanceLiteral($2); } ; /* }}} */ @end @begin C /* Cycript (C): Pointer Indirection/Addressing {{{ */ LeftHandSideExpression : LexSetRegExp "*" UnaryExpression { $$ = CYNew CYIndirect($3); } ; UnaryExpression_ : "&" UnaryExpression { $$ = CYNew CYAddressOf($2); } ; MemberAccess : "->" "[" Expression "]" { $$ = CYNew CYIndirectMember(NULL, $3); } | "->" IdentifierName { $$ = CYNew CYIndirectMember(NULL, CYNew CYString($2)); } | "->" AutoComplete { driver.mode_ = CYDriver::AutoIndirect; YYACCEPT; } ; /* }}} */ /* Cycript (C): auto Compatibility {{{ */ Var_ : "auto" ; /* }}} */ /* Cycript (C): Lambda Expressions {{{ */ TypedParameterList_ : "," TypedParameterList { $$ = $2; } | { $$ = NULL; } ; TypedParameterList : TypedIdentifier TypedParameterList_ { $$ = CYNew CYTypedParameter($1, $2); } ; TypedParameterListOpt : TypedParameterList { $$ = $1; } | { $$ = NULL; } ; PrimaryExpression : "[" LexPushInOff LexSetRegExp "&" LexSetRegExp "]" LexPopIn "(" LexPushInOff TypedParameterListOpt ")" LexPopIn "->" TypedIdentifier BRACE LexPushInOff FunctionBody "}" LexPopIn { $$ = CYNew CYLambda($14, $10, $17); } ; /* }}} */ /* Cycript (C): Type Definitions {{{ */ Statement__ : "typedef" TypedIdentifier { if ($2->identifier_ == NULL) CYERR($2->location_, "expected identifier"); } Terminator { $$ = CYNew CYTypeDefinition($2); } ; /* }}} */ /* Cycript (C): extern "C" {{{ */ Statement__ : "extern" StringLiteral { if (strcmp($2->Value(), "C") != 0) CYERR(@2, "unknown extern binding"); } TypedIdentifier { if ($4->identifier_ == NULL) CYERR($4->location_, "expected identifier"); } Terminator { $$ = CYNew CYExternal($2, $4); } ; /* }}} */ @end @begin E4X /* Lexer State {{{ */ LexPushRegExp : { driver.PushCondition(CYDriver::RegExpCondition); } ; LexPushXMLContent : { driver.PushCondition(CYDriver::XMLContentCondition); } ; LexPushXMLTag : { driver.PushCondition(CYDriver::XMLTagCondition); } ; LexPop : { driver.PopCondition(); } ; LexSetXMLContent : { driver.SetCondition(CYDriver::XMLContentCondition); } ; LexSetXMLTag : { driver.SetCondition(CYDriver::XMLTagCondition); } ; /* }}} */ /* Virtual Tokens {{{ */ XMLWhitespaceOpt : XMLWhitespace | ; /* }}} */ /* 8.1 Context Keywords {{{ */ Identifier : "namespace" { $$ = CYNew CYIdentifier("namespace"); } | "xml" { $$ = CYNew CYIdentifier("xml"); } ; /* }}} */ /* 8.3 XML Initializer Input Elements {{{ */ XMLMarkup : XMLComment { $$ = $1; } | XMLCDATA { $$ = $1; } | XMLPI { $$ = $1; } ; /* }}} */ /* 11.1 Primary Expressions {{{ */ PrimaryExpression : PropertyIdentifier { $$ = CYNew CYPropertyVariable($1); } | XMLInitialiser { $$ = $1; } | XMLListInitialiser { $$ = $1; } ; PropertyIdentifier : AttributeIdentifier { $$ = $1; } | QualifiedIdentifier { $$ = $1; } | WildcardIdentifier { $$ = $1; } ; /* }}} */ /* 11.1.1 Attribute Identifiers {{{ */ AttributeIdentifier : "@" QualifiedIdentifier_ { $$ = CYNew CYAttribute($2); } ; PropertySelector_ : PropertySelector { $$ = $1; } | "[" LexPushInOff Expression "]" LexPopIn { $$ = CYNew CYSelector($3); } ; PropertySelector : Identifier { $$ = CYNew CYSelector($1); } | WildcardIdentifier { $$ = $1; } ; /* }}} */ /* 11.1.2 Qualified Identifiers {{{ */ QualifiedIdentifier_ : PropertySelector_ { $$ = CYNew CYQualified(NULL, $1); } | QualifiedIdentifier { $$ = $1; } ; QualifiedIdentifier : PropertySelector "::" PropertySelector_ { $$ = CYNew CYQualified($1, $3); } ; /* }}} */ /* 11.1.3 Wildcard Identifiers {{{ */ WildcardIdentifier : "*" { $$ = CYNew CYWildcard(); } ; /* }}} */ /* 11.1.4 XML Initializer {{{ */ XMLInitialiser : XMLMarkup { $$ = $1; } | XMLElement { $$ = $1; } ; XMLElement : "<" LexPushInOff XMLTagContent LexPop "/>" LexPopIn | "<" LexPushInOff XMLTagContent ">" LexSetXMLContent XMLElementContentOpt "" LexPopIn ; XMLTagContent : LexPushXMLTag XMLTagName XMLAttributes ; XMLExpression : BRACE LexPushRegExp Expression LexPop "}" ; XMLTagName : XMLExpression | XMLName ; XMLAttributes_ : XMLAttributes_ XMLAttribute | ; XMLAttributes : XMLAttributes_ XMLWhitespace XMLExpression XMLWhitespaceOpt | XMLAttributes_ XMLWhitespaceOpt ; XMLAttributeValue_ : XMLExpression | XMLAttributeValue ; XMLAttribute : XMLWhitespace XMLName XMLWhitespaceOpt "=" XMLWhitespaceOpt XMLAttributeValue_ ; XMLElementContent : XMLExpression XMLElementContentOpt | XMLMarkup XMLElementContentOpt | XMLText XMLElementContentOpt | XMLElement XMLElementContentOpt ; XMLElementContentOpt : XMLElementContent | ; /* }}} */ /* 11.1.5 XMLList Initializer {{{ */ XMLListInitialiser : "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop "" LexPopIn { $$ = CYNew CYXMLList($4); } ; /* }}} */ /* 11.2 Left-Hand-Side Expressions {{{ */ PropertyIdentifier_ : Identifier { $$ = $1; } | PropertyIdentifier { $$ = $1; } ; MemberAccess : "." PropertyIdentifier { $$ = CYNew CYPropertyMember(NULL, $2); } | ".." PropertyIdentifier_ { $$ = CYNew CYDescendantMember(NULL, $2); } | "." "(" Expression ")" { $$ = CYNew CYFilteringPredicate(NULL, $3); } ; /* }}} */ /* 12.1 The default xml namespace Statement {{{ */ /* XXX: DefaultXMLNamespaceStatement : "default" "xml" "namespace" "=" Expression Terminator { $$ = CYNew CYDefaultXMLNamespace($5); } ; Statement__ : DefaultXMLNamespaceStatement { $$ = $1; } ; */ /* }}} */ @end /* JavaScript FTL: Array Comprehensions {{{ */ Comprehension : AssignmentExpression ComprehensionFor ComprehensionTail { $$ = CYNew CYArrayComprehension($1, $2->Modify($3)); } ; ComprehensionFor : "for" "each" "(" LexPushInOn LexicalBinding "!in" LexPopIn Expression ")" { $$ = CYNew CYForOfComprehension($5, $8); } ; /* }}} */ /* JavaScript FTL: for each {{{ */ IterationStatement : "for" "each" "(" LexPushInOn ForInStatementInitializer "!in" LexPopIn Expression ")" Statement { $$ = CYNew CYForOf($5, $8, $10); } ; /* }}} */ /* JavaScript FTW: Array Comprehensions {{{ */ PrimaryExpression : ArrayComprehension ; ArrayComprehension : "[" LexPushInOff Comprehension "]" LexPopIn { $$ = $3; } ; Comprehension : LexSetRegExp ComprehensionFor ComprehensionTail AssignmentExpression { $$ = CYNew CYArrayComprehension($4, $2->Modify($3)); } ; ComprehensionTail : { $$ = NULL; } | ComprehensionFor ComprehensionTail { $$ = $1->Modify($2); } | ComprehensionIf ComprehensionTail { $$ = $1->Modify($2); } ; ComprehensionFor : "for" "(" LexPushInOn LexicalBinding "!in" LexPopIn Expression ")" { $$ = CYNew CYForInComprehension($4, $7); } | "for" "(" LexPushInOn LexicalBinding "of" LexPopIn Expression ")" { $$ = CYNew CYForOfComprehension($4, $7); } ; ComprehensionIf : "if" "(" AssignmentExpression ")" { $$ = CYNew CYIfComprehension($3); } ; /* }}} */ /* JavaScript FTW: Coalesce Operator {{{ */ ConditionalExpression : LogicalORExpression "?" LexPushInOff LexSetRegExp ":" LexPopIn AssignmentExpression { $$ = CYNew CYCondition($1, $1, $7); } ; /* }}} */ /* JavaScript FTW: Named Arguments {{{ */ ArgumentList : LexSetRegExp Word ":" AssignmentExpression ArgumentList_ { $$ = CYNew CYArgument($2, $4, $5); } ; /* }}} */ /* JavaScript FTW: Ruby Blocks {{{ */ RubyProcParameterList_ : "," RubyProcParameterList { $$ = $2; } | { $$ = NULL; } ; RubyProcParameterList : Identifier RubyProcParameterList_ { $$ = CYNew CYFunctionParameter(CYNew CYDeclaration($1), $2); } | { $$ = NULL; } ; RubyProcParameters : LexSetRegExp "|" RubyProcParameterList "|" { $$ = $3; } | LexSetRegExp "||" { $$ = NULL; } ; RubyProcParametersOpt : RubyProcParameters { $$ = $1; } | { $$ = NULL; } ; RubyProcExpression : "{" RubyProcParametersOpt StatementListOpt "}" { $$ = CYNew CYRubyProc($2, $3); } ; PrimaryExpression : BRACE LexPushInOff RubyProcParameters StatementListOpt "}" LexPopIn { $$ = CYNew CYRubyProc($3, $4); } ; PostfixExpression : PostfixExpression RubyProcExpression { $$ = CYNew CYRubyBlock($1, $2); } ; /* }}} */ %% bool CYDriver::Parse(CYMark mark) { mark_ = mark; CYLocal local(&pool_); cy::parser parser(*this); #ifdef YYDEBUG parser.set_debug_level(debug_); #endif return parser.parse() != 0; } void CYDriver::Warning(const cy::parser::location_type &location, const char *message) { if (!strict_) return; CYDriver::Error error; error.warning_ = true; error.location_ = location; error.message_ = message; errors_.push_back(error); } void cy::parser::error(const cy::parser::location_type &location, const std::string &message) { CYDriver::Error error; error.warning_ = false; error.location_ = location; error.message_ = message; driver.errors_.push_back(error); }