/* 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 {{{ */
#include "E4X/Syntax.hpp"
@end
+#include "Highlight.hpp"
+
typedef struct {
bool newline_;
+ hi::Value highlight_;
union {
bool bool_;
%parse-param { CYDriver &driver }
%lex-param { void *cyscanner }
+/* Token Declarations {{{ */
@begin E4X
%token XMLCDATA
%token XMLComment
%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"
%type <expression_> ArrowFunction
%type <functionParameter_> ArrowParameters
%type <expression_> AssignmentExpression
+%type <identifier_> Binding
%type <identifier_> BindingIdentifier
%type <expression_> BitwiseANDExpression
%type <statement_> Block_
%type <clause_> CaseClause
%type <clause_> CaseClausesOpt
%type <catch_> CatchOpt
+%type <comprehension_> ComprehensionForList
+%type <comprehension_> ComprehensionForListOpt
%type <comprehension_> ComprehensionList
%type <comprehension_> ComprehensionListOpt
%type <expression_> ConditionalExpression
%type <statement_> LetStatement
%type <statement_> LexicalDeclaration
%type <literal_> Literal
-%type <literal_> LiteralNoRE
+%type <literal_> ValueLiteral
%type <expression_> LogicalANDExpression
%type <expression_> LogicalORExpression
%type <member_> MemberAccess
%type <word_> WordOpt
@begin ObjectiveC
+%type <expression_> BoxableExpression
%type <statement_> CategoryStatement
%type <expression_> ClassExpression
+%type <field_> ClassFieldListOpt
+%type <field_> ClassFields
%type <statement_> ClassStatement
%type <expression_> ClassSuperOpt
-%type <field_> ClassFieldList
%type <message_> ClassMessageDeclaration
%type <message_> ClassMessageDeclarationListOpt
%type <className_> ClassName
%type <expression_> XMLListInitialiser
%type <expression_> XMLInitialiser
@end
-
+/* }}} */
+/* Token Priorities {{{ */
%nonassoc ""
%left "++" "--"
%nonassoc "if"
%nonassoc "else"
+/* }}} */
%start Program
;
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
- : ";"
- | error { if (yychar != yyeof_ && yychar != token::CloseBrace && !yylval.newline_) YYABORT; else { yyerrok; driver.errors_.pop_back(); } } StrictSemi
+Var_
+ : "var"
;
+/* }}} */
-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 { $$ = $1; }
+ | "auto" { $$ = $1; }
| "break" NewLineOpt { $$ = $1; }
| "case" { $$ = $1; }
| "catch" { $$ = $1; }
| { $$ = NULL; }
;
-@begin ObjectiveC
-PrimaryExpression
- : "@" LiteralNoRE { $$ = CYNew CYBox($2); }
- | "@" ArrayLiteral { $$ = CYNew CYBox($2); }
- | "@" ObjectLiteral { $$ = CYNew CYBox($2); }
- | "@" Parenthetical { $$ = CYNew CYBox($2); }
- ;
-@end
-
Identifier
: Identifier_ { $$ = $1; }
: Identifier { $$ = $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
| 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); }
+ | { $$ = NULL; }
+ ;
+/* }}} */
/* 11.1.5 Object Initialiser {{{ */
ObjectLiteral
: BRACE LexPushInOff PropertyDefinitionListOpt LexPopIn "}" { $$ = CYNew CYObject($3); }
;
PropertyDefinition
- //: IdentifierName { $$ = CYNew CYProperty($1, CYNew CYVariable($1)); }
- : PropertyName ":" AssignmentExpression { $$ = CYNew CYProperty($1, $3); }
+ // XXX: this should be IdentifierName
+ : LexSetRegExp Identifier { $$ = CYNew CYProperty($2, CYNew CYVariable($2)); }
+ | PropertyName ":" AssignmentExpression { $$ = CYNew CYProperty($1, $3); }
//| MethodDefinition
;
StatementListOpt
: StatementList { $$ = $1; }
- | LexSetRegExp { $$ = NULL; }
+ | LexSetStatement LexSetRegExp { $$ = NULL; }
;
StatementListItem
| Declaration { $$ = $1; }
;
/* }}} */
+
/* 12.2 Declarations {{{ */
BindingIdentifier
: Identifier { $$ = $1; }
;
+Binding
+ : BindingIdentifier
+ ;
+
// XXX: BindingPattern
/* }}} */
/* 12.2.1 Let and Const Declarations {{{ */
/* }}} */
/* 12.2.2 Variable Statement {{{ */
VariableStatement
- : "var" VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
+ : Var_ VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
;
VariableDeclarationList_
: BindingIdentifier InitialiserOpt { $$ = CYNew CYDeclaration($1, $2); }
;
/* }}} */
+
/* 12.3 Empty Statement {{{ */
EmptyStatement
: ";" { $$ = CYNew CYEmpty(); }
ForStatementInitialiser
: ExpressionOpt { $$ = $1; }
- | LexSetRegExp "var" VariableDeclarationList { $$ = CYNew CYForDeclarations($3); }
+ | LexSetRegExp Var_ VariableDeclarationList { $$ = CYNew CYForDeclarations($3); }
;
/* }}} */
/* 12.6.4 The for-in and for-of Statements {{{ */
ForInStatementInitialiser
: LeftHandSideExpression { $$ = $1; }
- | LexSetRegExp "var" VariableDeclaration { $$ = $3; }
+ | LexSetRegExp Var_ VariableDeclaration { $$ = $3; }
;
/* }}} */
/* }}} */
/* 13.2 Arrow Function Definitions {{{ */
ArrowFunction
- : LexSetRegExp ArrowParameters "=>" LexNoBrace ConciseBody { $$ = CYNew CYFunctionExpression(NULL, $2, $5); }
+ : LexSetRegExp ArrowParameters "=>" LexNoBrace ConciseBody { $$ = CYNew CYFatArrow($2, $5); }
;
ArrowParameters
ProgramBodyOpt
: ProgramBody { $$ = $1; }
- | { $$ = NULL; }
+ | LexSetStatement LexSetRegExp { $$ = NULL; }
;
/* }}} */
| { $$ = NULL; }
;
-ClassField
- : Expression Identifier ";"
- ;
-
-ClassFieldList
- : BRACE ClassFieldListOpt "}" { $$ = NULL; }
+ClassFieldListOpt
+ : Expression Identifier ";" ClassFieldListOpt { $$ = CYNew CYField($1, $2, $4); }
+ | { $$ = NULL; }
;
-ClassFieldListOpt
- : ClassFieldListOpt ClassField
- |
+ClassFields
+ : BRACE ClassFieldListOpt "}" { $$ = $2; }
;
MessageScope
TypeOpt
: "(" Expression ")" { $$ = $2; }
- | "(" LexSetRegExp "void" ")" { $$ = NULL; }
+ | "(" LexSetRegExp "void" ")" { $$ = CYNew CYString("v"); }
| { $$ = NULL; }
;
;
ClassExpression
- : "@implementation" LexPushInOff ClassNameOpt ClassSuperOpt ClassProtocolListOpt ClassFieldList ClassMessageDeclarationListOpt LexPopIn "@end" { $$ = 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" { $$ = CYNew CYClassStatement($2, $3, $4, $5, $6); }
;
CategoryName
;
StatementListItem
- : "@import" ImportPath { $$ = 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 { $$ = CYNew CYBox($2); }
;
/* }}} */
@end
| "->" AutoComplete { driver.mode_ = CYDriver::AutoIndirect; YYACCEPT; }
;
/* }}} */
+/* Cycript (C): auto Compatibility {{{ */
+Var_
+ : "auto"
+ ;
+/* }}} */
@end
/* YUI: Documentation Comments {{{ */
: { driver.SetCondition(CYDriver::XMLTagCondition); }
;
/* }}} */
-
+/* Virtual Tokens {{{ */
XMLWhitespaceOpt
: XMLWhitespace
|
;
+/* }}} */
/* 8.1 Context Keywords {{{ */
Identifier
| XMLPI { $$ = $1; }
;
/* }}} */
+
/* 11.1 Primary Expressions {{{ */
PrimaryExpression
: PropertyIdentifier { $$ = CYNew CYPropertyVariable($1); }
: "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop LexPopIn "</>" { $$ = CYNew CYXMLList($4); }
;
/* }}} */
+
/* 11.2 Left-Hand-Side Expressions {{{ */
PropertyIdentifier_
: Identifier { $$ = $1; }
;
ForComprehension
- : "for" "(" LexPushInOn Identifier LexPopIn "!in" Expression ")" { $$ = 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