X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/7198f00397564ab468b47bdc23b378e2996e6e61..b5af12b8bc9c3fda53ebce1ba823734a279610c9:/Cycript.yy.in?ds=sidebyside

diff --git a/Cycript.yy.in b/Cycript.yy.in
index 0181676..62cdca2 100644
--- a/Cycript.yy.in
+++ b/Cycript.yy.in
@@ -1,40 +1,22 @@
-/* Cycript - Inlining/Optimizing JavaScript Compiler
- * Copyright (C) 2009  Jay Freeman (saurik)
+/* Cycript - Optimizing JavaScript Compiler/Runtime
+ * Copyright (C) 2009-2012  Jay Freeman (saurik)
 */
 
-/* Modified BSD License {{{ */
+/* GNU Lesser General Public License, Version 3 {{{ */
 /*
- *        Redistribution and use in source and binary
- * forms, with or without modification, are permitted
- * provided that the following conditions are met:
+ * Cycript is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
  *
- * 1. Redistributions of source code must retain the
- *    above copyright notice, this list of conditions
- *    and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the
- *    above copyright notice, this list of conditions
- *    and the following disclaimer in the documentation
- *    and/or other materials provided with the
- *    distribution.
- * 3. The name of the author may not be used to endorse
- *    or promote products derived from this software
- *    without specific prior written permission.
+ * Cycript 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 Lesser General Public
+ * License for more details.
  *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
+**/
 /* }}} */
 
 @if Bison23 %{
@@ -47,6 +29,7 @@
 
 @if Bison24 %code requires {
 #include "Parser.hpp"
+#define CYNew new($pool)
 
 @begin ObjectiveC
 #include "ObjectiveC/Syntax.hpp"
@@ -56,8 +39,11 @@
 #include "E4X/Syntax.hpp"
 @end
 
+#include "Highlight.hpp"
+
 typedef struct {
     bool newline_;
+    hi::Value highlight_;
 
     union {
         bool bool_;
@@ -90,6 +76,7 @@ typedef struct {
         CYProgram *program_;
         CYProperty *property_;
         CYPropertyName *propertyName_;
+        CYRubyProc *rubyProc_;
         CYStatement *statement_;
         CYString *string_;
         CYThis *this_;
@@ -103,6 +90,9 @@ typedef struct {
         CYMessageParameter *messageParameter_;
         CYProtocol *protocol_;
         CYSelectorPart *selector_;
+        CYTypeModifier *type_;
+        CYTypedIdentifier *typedIdentifier_;
+        CYTypedParameter *typedParameter_;
 @end
 
 @begin E4X
@@ -142,6 +132,7 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %parse-param { CYDriver &driver }
 %lex-param { void *cyscanner }
 
+/* Token Declarations {{{ */
 @begin E4X
 %token XMLCDATA
 %token XMLComment
@@ -177,6 +168,7 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %token Equal "="
 %token EqualEqual "=="
 %token EqualEqualEqual "==="
+%token EqualRight "=>"
 %token Exclamation "!"
 %token ExclamationEqual "!="
 %token ExclamationEqualEqual "!=="
@@ -192,6 +184,7 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %token Percent "%"
 %token PercentEqual "%="
 %token Period "."
+%token PeriodPeriodPeriod "..."
 %token Pipe "|"
 %token PipeEqual "|="
 %token PipePipe "||"
@@ -223,20 +216,32 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %token CloseParen ")"
 
 %token OpenBrace "{"
+%token OpenBrace_ "\n{"
+%token OpenBrace__ ";{"
 %token CloseBrace "}"
 
 %token OpenBracket "["
 %token CloseBracket "]"
 
+@begin Java
 %token AtClass "@class"
-%token AtSelector "@selector"
+@end
+
+@begin ObjectiveC
+%token AtImplementation "@implementation"
+%token AtImplementation_ ";@implementation"
+%token AtImport "@import"
+%token AtEncode "@encode"
 %token AtEnd "@end"
+%token AtSelector "@selector"
+@end
 
 %token <false_> False "false"
 %token <null_> Null "null"
 %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"
@@ -248,8 +253,10 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %token <word_> Finally "finally"
 %token <word_> For "for"
 %token <word_> Function "function"
+%token <word_> Function_ ";function"
 %token <word_> If "if"
 %token <word_> In "in"
+%token <word_> In_ "!in"
 %token <word_> InstanceOf "instanceof"
 %token <word_> New "new"
 %token <word_> Return "return"
@@ -310,6 +317,7 @@ int cylex(YYSTYPE *, cy::location *, void *);
 
 // Woah?!
 %token <identifier_> Each "each"
+%token <identifier_> Of "of"
 
 @begin E4X
 // E4X Conditional
@@ -317,51 +325,51 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %token <identifier_> XML "xml"
 @end
 
+%token AutoComplete
+
 %token <identifier_> Identifier_
 %token <number_> NumericLiteral
 %token <string_> StringLiteral
 %token <literal_> RegularExpressionLiteral
 
 %type <expression_> AdditiveExpression
-%type <expression_> AdditiveExpressionNoBF
-%type <argument_> ArgumentList
 %type <argument_> ArgumentList_
+%type <argument_> ArgumentList
 %type <argument_> ArgumentListOpt
 %type <argument_> Arguments
 %type <literal_> ArrayLiteral
-%type <expression_> AssigneeExpression
-%type <expression_> AssigneeExpressionNoBF
+%type <expression_> ArrowFunction
+%type <functionParameter_> ArrowParameters
 %type <expression_> AssignmentExpression
-%type <assignment_> AssignmentExpression_
-%type <expression_> AssignmentExpressionNoBF
-%type <expression_> AssignmentExpressionNoIn
+%type <identifier_> Binding
+%type <identifier_> BindingIdentifier
 %type <expression_> BitwiseANDExpression
-%type <expression_> BitwiseANDExpressionNoBF
-%type <expression_> BitwiseANDExpressionNoIn
-%type <statement_> Block
 %type <statement_> Block_
+%type <statement_> Block
 %type <boolean_> BooleanLiteral
+%type <declaration_> BindingElement
 %type <expression_> BitwiseORExpression
-%type <expression_> BitwiseORExpressionNoBF
-%type <expression_> BitwiseORExpressionNoIn
 %type <expression_> BitwiseXORExpression
-%type <expression_> BitwiseXORExpressionNoBF
-%type <expression_> BitwiseXORExpressionNoIn
 %type <statement_> BreakStatement
+%type <statement_> BreakableStatement
+%type <expression_> CallExpression_
 %type <expression_> CallExpression
-%type <expression_> CallExpressionNoBF
 %type <clause_> CaseBlock
 %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 <expression_> ConditionalExpressionNoBF
-%type <expression_> ConditionalExpressionNoIn
 %type <statement_> ContinueStatement
+%type <statement_> ConciseBody
+%type <statement_> DebuggerStatement
+%type <statement_> Declaration__
+%type <statement_> Declaration_
+%type <statement_> Declaration
 %type <clause_> DefaultClause
-%type <statement_> DoWhileStatement
 %type <expression_> Element
 %type <expression_> ElementOpt
 %type <element_> ElementList
@@ -369,121 +377,94 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <statement_> ElseStatementOpt
 %type <statement_> EmptyStatement
 %type <expression_> EqualityExpression
-%type <expression_> EqualityExpressionNoBF
-%type <expression_> EqualityExpressionNoIn
-%type <expression_> Expression
-%type <expression_> ExpressionOpt
 %type <compound_> Expression_
-%type <expression_> ExpressionNoBF
-%type <expression_> ExpressionNoIn
-%type <compound_> ExpressionNoIn_
-%type <expression_> ExpressionNoInOpt
+%type <compound_> Expression
+%type <expression_> ExpressionOpt
 %type <statement_> ExpressionStatement
 %type <finally_> FinallyOpt
 %type <comprehension_> ForComprehension
-%type <statement_> ForStatement
 %type <for_> ForStatementInitialiser
-%type <statement_> ForInStatement
 %type <forin_> ForInStatementInitialiser
-%type <functionParameter_> FormalParameterList
+%type <declaration_> FormalParameter
 %type <functionParameter_> FormalParameterList_
+%type <functionParameter_> FormalParameterList
+%type <functionParameter_> FormalParameterListOpt
 %type <statement_> FunctionBody
 %type <statement_> FunctionDeclaration
 %type <expression_> FunctionExpression
 %type <identifier_> Identifier
 %type <identifier_> IdentifierOpt
+%type <word_> IdentifierName
 %type <comprehension_> IfComprehension
 %type <statement_> IfStatement
 %type <expression_> Initialiser
 %type <expression_> InitialiserOpt
-%type <expression_> InitialiserNoIn
-%type <expression_> InitialiserNoInOpt
 %type <statement_> IterationStatement
 %type <statement_> LabelledStatement
 %type <expression_> LeftHandSideExpression
-%type <expression_> LeftHandSideExpressionNoBF
-//%type <statement_> LetStatement
+%type <statement_> LetStatement
+%type <statement_> LexicalDeclaration
 %type <literal_> Literal
-%type <literal_> LiteralNoRE
-%type <literal_> LiteralRE
+%type <literal_> ValueLiteral
 %type <expression_> LogicalANDExpression
-%type <expression_> LogicalANDExpressionNoBF
-%type <expression_> LogicalANDExpressionNoIn
 %type <expression_> LogicalORExpression
-%type <expression_> LogicalORExpressionNoBF
-%type <expression_> LogicalORExpressionNoIn
 %type <member_> MemberAccess
-%type <expression_> MemberExpression
 %type <expression_> MemberExpression_
-%type <expression_> MemberExpressionNoBF
+%type <expression_> MemberExpression
 %type <expression_> MultiplicativeExpression
-%type <expression_> MultiplicativeExpressionNoBF
 %type <expression_> NewExpression
-%type <expression_> NewExpression_
-%type <expression_> NewExpressionNoBF
 %type <null_> NullLiteral
 %type <literal_> ObjectLiteral
+%type <compound_> Parenthetical
+%type <compound_> ParentheticalOpt
 %type <expression_> PostfixExpression
-%type <expression_> PostfixExpressionNoBF
 %type <expression_> PrimaryExpression
-%type <expression_> PrimaryExpressionNo
-%type <expression_> PrimaryExpressionNoBF
-%type <expression_> PrimaryExpressionNoRE
-%type <expression_> PrimaryExpressionBF
 %type <statement_> Program
-%type <propertyName_> PropertyName
+%type <statement_> ProgramBody
+%type <statement_> ProgramBodyOpt
 %type <propertyName_> PropertyName_
-%type <property_> PropertyNameAndValueList
-%type <property_> PropertyNameAndValueList_
-%type <property_> PropertyNameAndValueListOpt
+%type <propertyName_> PropertyName
+%type <property_> PropertyDefinition
+%type <property_> PropertyDefinitionList_
+%type <property_> PropertyDefinitionList
+%type <property_> PropertyDefinitionListOpt
 %type <expression_> RelationalExpression
-%type <infix_> RelationalExpression_
-%type <expression_> RelationalExpressionNoBF
-%type <expression_> RelationalExpressionNoIn
-%type <infix_> RelationalExpressionNoIn_
 %type <statement_> ReturnStatement
+%type <rubyProc_> RubyProcExpression
+%type <functionParameter_> RubyProcParameterList_
+%type <functionParameter_> RubyProcParameterList
+%type <functionParameter_> RubyProcParameters
+%type <functionParameter_> RubyProcParametersOpt
 %type <expression_> ShiftExpression
-%type <expression_> ShiftExpressionNoBF
-%type <statement_> SourceElement
-%type <statement_> SourceElement_
-%type <statement_> SourceElements
-%type <statement_> Statement
+%type <declaration_> SingleNameBinding
+%type <statement_> Statement__
 %type <statement_> Statement_
+%type <statement_> Statement
 %type <statement_> StatementList
 %type <statement_> StatementListOpt
+%type <statement_> StatementListItem
 %type <statement_> SwitchStatement
 %type <statement_> ThrowStatement
 %type <statement_> TryStatement
-%type <expression_> UnaryExpression
 %type <expression_> UnaryExpression_
-%type <expression_> UnaryExpressionNoBF
+%type <expression_> UnaryExpression
 %type <declaration_> VariableDeclaration
-%type <declaration_> VariableDeclarationNoIn
-%type <declarations_> VariableDeclarationList
 %type <declarations_> VariableDeclarationList_
-%type <declarations_> VariableDeclarationListNoIn
-%type <declarations_> VariableDeclarationListNoIn_
+%type <declarations_> VariableDeclarationList
 %type <statement_> VariableStatement
-%type <statement_> WhileStatement
 %type <statement_> WithStatement
-
-@begin C
-%type <expression_> AssigneeExpressionNoRE
-%type <expression_> CallExpressionNoRE
-%type <expression_> LeftHandSideExpressionNoRE
-%type <expression_> MemberExpressionNoRE
-%type <expression_> NewExpressionNoRE
-%type <expression_> PostfixExpressionNoRE
-%type <expression_> UnaryAssigneeExpression
-%type <expression_> UnaryExpressionNoRE
-@end
+%type <word_> Word
+%type <word_> WordOpt
+%type <expression_> Variable
 
 @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
@@ -491,30 +472,39 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <protocol_> ClassProtocolListOpt
 %type <protocol_> ClassProtocols
 %type <protocol_> ClassProtocolsOpt
+%type <expression_> EncodedType
 %type <expression_> MessageExpression
 %type <messageParameter_> MessageParameter
 %type <messageParameter_> MessageParameters
 %type <messageParameter_> MessageParameterList
 %type <messageParameter_> MessageParameterListOpt
 %type <bool_> MessageScope
-%type <argument_> SelectorCall
+%type <type_> ModifiedType
+%type <typedIdentifier_> PrefixedType
+%type <expression_> PrimitiveType
+%type <type_> QualifiedType
 %type <argument_> SelectorCall_
-%type <selector_> SelectorExpression
+%type <argument_> SelectorCall
 %type <selector_> SelectorExpression_
+%type <selector_> SelectorExpression
 %type <selector_> SelectorExpressionOpt
 %type <argument_> SelectorList
+%type <word_> SelectorWordOpt
+%type <typedIdentifier_> SuffixedType
 %type <expression_> TypeOpt
+%type <typedIdentifier_> TypedIdentifier
+%type <typedParameter_> TypedParameterList_
+%type <typedParameter_> TypedParameterList
+%type <typedParameter_> TypedParameterListOpt
 %type <argument_> VariadicCall
-%type <word_> Word
-%type <word_> WordOpt
 @end
 
 @begin E4X
 %type <propertyIdentifier_> PropertyIdentifier_
-%type <selector_> PropertySelector
 %type <selector_> PropertySelector_
-%type <identifier_> QualifiedIdentifier
+%type <selector_> PropertySelector
 %type <identifier_> QualifiedIdentifier_
+%type <identifier_> QualifiedIdentifier
 %type <identifier_> WildcardIdentifier
 %type <identifier_> XMLComment
 %type <identifier_> XMLCDATA
@@ -529,75 +519,78 @@ int cylex(YYSTYPE *, cy::location *, void *);
 %type <expression_> XMLListInitialiser
 %type <expression_> XMLInitialiser
 @end
-
-%nonassoc Identifier_ "abstract" "boolean" "break" "byte" "case" "catch" "char" "class" "const" "continue" "debugger" "default" "delete" "do" "double" "each" "enum" "export" "extends" "false" "final" "finally" "float" /*"for"*/ "function" "goto" "implements" "import" /*"in"*/ /*"instanceof"*/ "int" "interface" "let" "long" "namespace" "native" "new" "null" "package" "private" "protected" "public" "return" "short" "super" "static" "switch" "synchronized" "this" "throw" "throws" "transient" "true" "try" "typeof" "var" "void" "volatile" "while" "with" "xml" "yield"
+/* }}} */
+/* Token Priorities {{{ */
+%nonassoc ""
+%left "++" "--"
 
 %nonassoc "if"
 %nonassoc "else"
-
-%nonassoc "++" "--"
-%nonassoc "(" "["
-
-%left "*" "/" "%"
-%left "+" "-"
-%left "<<" ">>" ">>>"
-%left "<" ">" "<=" ">=" "instanceof" "in"
-%left "==" "!=" "===" "!=="
-%left "&"
-%left "^"
-%left "|"
-%left "&&"
-%left "||"
-
-%right "=" "*=" "/=" "%=" "+=" "-=" "<<=" ">>=" ">>>=" "&=" "^=" "|="
+/* }}} */
 
 %start Program
 
 %%
 
 /* Lexer State {{{ */
+LexPushInOn
+    : { driver.in_.push(true); }
+    ;
+
+LexPushInOff
+    : { driver.in_.push(false); }
+    ;
+
+LexPopIn
+    : { driver.in_.pop(); }
+    ;
+
 LexSetRegExp
     : { driver.SetCondition(CYDriver::RegExpCondition); }
     ;
-/* }}} */
 
-StrictSemi
-    : { driver.Warning(yylloc, "warning, automatic semi-colon insertion required"); }
+LexNoBrace
+    : { if (yychar == yyempty_) driver.no_.OpenBrace = true; else if (yychar == token::OpenBrace || yychar == token::OpenBrace_) yychar = token::OpenBrace__; }
     ;
 
-Terminator_
-    : ";"
-    | "\n" StrictSemi
+LexNoFunction
+    : { if (yychar == yyempty_) driver.no_.Function = true; else if (yychar == token::Function) yychar = token::Function_; }
     ;
 
-TerminatorOpt
-    : Terminator_
-    | error { yyerrok; driver.errors_.pop_back(); } StrictSemi
+LexNoAtImplementation :
+@begin ObjectiveC
+    { if (yychar == yyempty_) driver.no_.AtImplementation = true; else if (yychar == token::AtImplementation) yychar = token::AtImplementation_; }
+@end
     ;
 
-Terminator
-    : Terminator_
-    | error { if (yychar != 0 && yychar != cy::parser::token::CloseBrace && !yylval.newline_) YYABORT; else { yyerrok; driver.errors_.pop_back(); } } StrictSemi
+LexSetStatement
+    : LexNoBrace LexNoFunction LexNoAtImplementation
+    ;
+/* }}} */
+/* Virtual Tokens {{{ */
+BRACE
+    : "{"
+    | "\n{"
     ;
 
-/*CommaOpt
-    : ","
-    |
-    ;*/
+Var_
+    : "var"
+    ;
+/* }}} */
+
+/* 7.6 Identifier Names and Identifiers {{{ */
+IdentifierName
+    : Word { $$ = $1; }
+    ;
 
-@begin ObjectiveC
 NewLineOpt
     : "\n"
     |
     ;
 
-WordOpt
-    : Word { $$ = $1; }
-    | { $$ = NULL; }
-    ;
-
 Word
     : Identifier { $$ = $1; }
+    | "auto" { $$ = $1; }
     | "break" NewLineOpt { $$ = $1; }
     | "case" { $$ = $1; }
     | "catch" { $$ = $1; }
@@ -619,7 +612,12 @@ Word
     | "if" { $$ = $1; }
     | "import" { $$ = $1; }
     /* XXX: | "in" { $$ = $1; } */
+    | "!in" { $$ = $1; }
     /* XXX: | "instanceof" { $$ = $1; } */
+
+    // XXX: as it currently is not an Identifier
+    | "let" { $$ = $1; }
+
     | "new" { $$ = $1; }
     | "null" { $$ = $1; }
     | "return" NewLineOpt { $$ = $1; }
@@ -635,7 +633,11 @@ Word
     | "while" { $$ = $1; }
     | "with" { $$ = $1; }
     ;
-@end
+
+WordOpt
+    : Word { $$ = $1; }
+    | { $$ = NULL; }
+    ;
 
 Identifier
     : Identifier_ { $$ = $1; }
@@ -665,72 +667,90 @@ Identifier
     | "transient" { $$ = $1; }
     | "volatile" { $$ = $1; }
 
-    | "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; }
-    | "@" StringLiteral { $$ = $2; }
-    ;
-
-LiteralRE
-    : RegularExpressionLiteral { $$ = $1; }
+    | ValueLiteral { $$ = $1; }
     ;
 
-Literal
-    : LiteralNoRE { $$ = $1; }
-    | LiteralRE { $$ = $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 {{{ */
-PrimaryExpression
-    : LexSetRegExp PrimaryExpressionNoRE { $$ = $2; }
+Parenthetical
+    : "(" LexPushInOff Expression ")" LexPopIn { $$ = $3; }
     ;
 
-PrimaryExpressionNoBF
-    : PrimaryExpressionNo { $$ = $1; }
+ParentheticalOpt
+    : Parenthetical { $$ = $1; }
+    | { $$ = NULL; }
     ;
 
-PrimaryExpressionNoRE
-    : PrimaryExpressionBF { $$ = $1; }
-    | PrimaryExpressionNo { $$ = $1; }
+Variable
+    : Identifier { $$ = CYNew CYVariable($1); }
     ;
 
-PrimaryExpressionNo
+PrimaryExpression
     : "this" { $$ = $1; }
-    | Identifier { $$ = new(driver.pool_) CYVariable($1); }
+    | Variable { $$ = $1; }
     | Literal { $$ = $1; }
     | ArrayLiteral { $$ = $1; }
-    | "(" Expression ")" { $$ = $2; }
-    ;
-
-PrimaryExpressionBF
-    : ObjectLiteral { $$ = $1; }
+    | ObjectLiteral { $$ = $1; }
+    | FunctionExpression { $$ = $1; }
+    | Parenthetical { $$ = $1; }
+    | AutoComplete { driver.mode_ = CYDriver::AutoPrimary; YYACCEPT; }
     ;
 /* }}} */
-/* 11.1.4 Array Initialiser {{{ */
+/* 11.1.4.1 Array Initialiser {{{ */
 ArrayLiteral
-    : "[" ElementListOpt "]" { $$ = new(driver.pool_) CYArray($2); }
+    : "[" LexPushInOff ElementListOpt "]" LexPopIn { $$ = CYNew CYArray($3); }
     ;
 
 Element
@@ -742,37 +762,61 @@ ElementOpt
     | LexSetRegExp { $$ = NULL; }
     ;
 
+ElementList
+    : ElementOpt "," ElementListOpt { $$ = CYNew CYElement($1, $3); }
+    | Element { $$ = CYNew CYElement($1, NULL); }
+    ;
+
 ElementListOpt
     : ElementList { $$ = $1; }
     | LexSetRegExp { $$ = NULL; }
     ;
+/* }}} */
+/* 11.1.4.2 Array Comprehension {{{ */
+PrimaryExpression
+    : "[" LexPushInOff AssignmentExpression ComprehensionForList "]" LexPopIn { $$ = CYNew CYArrayComprehension($3, $4); }
+    ;
 
-ElementList
-    : ElementOpt "," ElementListOpt { $$ = new(driver.pool_) CYElement($1, $3); }
-    | Element { $$ = new(driver.pool_) CYElement($1, NULL); }
+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); }
+    | { $$ = NULL; }
     ;
 /* }}} */
 /* 11.1.5 Object Initialiser {{{ */
 ObjectLiteral
-    : "{" PropertyNameAndValueListOpt "}" { $$ = new(driver.pool_) CYObject($2); }
+    : BRACE LexPushInOff PropertyDefinitionListOpt "}" LexPopIn { $$ = CYNew CYObject($3); }
     ;
 
-PropertyNameAndValueList_
-    : "," PropertyNameAndValueList { $$ = $2; }
+PropertyDefinitionList_
+    : "," PropertyDefinitionList { $$ = $2; }
+    | "," LexSetRegExp { $$ = NULL; }
     | { $$ = NULL; }
     ;
 
-PropertyNameAndValueListOpt
-    : PropertyNameAndValueList { $$ = $1; }
-    | { $$ = NULL; }
+PropertyDefinitionList
+    : PropertyDefinition PropertyDefinitionList_ { $1->SetNext($2); $$ = $1; }
     ;
 
-PropertyNameAndValueList
-    : PropertyName ":" AssignmentExpression PropertyNameAndValueList_ { $$ = new(driver.pool_) CYProperty($1, $3, $4); }
+PropertyDefinitionListOpt
+    : PropertyDefinitionList { $$ = $1; }
+    | LexSetRegExp { $$ = NULL; }
+    ;
+
+PropertyDefinition
+    // XXX: this should be IdentifierName
+    : LexSetRegExp Identifier { $$ = CYNew CYProperty($2, CYNew CYVariable($2)); }
+    | PropertyName ":" AssignmentExpression { $$ = CYNew CYProperty($1, $3); }
+    //| MethodDefinition
     ;
 
 PropertyName_
-    : Identifier { $$ = $1; }
+    : IdentifierName { $$ = $1; }
     | StringLiteral { $$ = $1; }
     | NumericLiteral { $$ = $1; }
     ;
@@ -783,496 +827,290 @@ PropertyName
 /* }}} */
 
 /* 11.2 Left-Hand-Side Expressions {{{ */
-MemberExpression_
-    : "new" MemberExpression Arguments { $$ = new(driver.pool_) CYNew($2, $3); }
-    ;
-
 MemberAccess
-    : "[" Expression "]" { $$ = new(driver.pool_) CYDirectMember(NULL, $2); }
-    | "." Identifier { $$ = new(driver.pool_) CYDirectMember(NULL, new(driver.pool_) CYString($2)); }
+    : "[" LexPushInOff Expression "]" LexPopIn { $$ = CYNew CYDirectMember(NULL, $3); }
+    | "." IdentifierName { $$ = CYNew CYDirectMember(NULL, CYNew CYString($2)); }
+    | "." AutoComplete { driver.mode_ = CYDriver::AutoDirect; YYACCEPT; }
     ;
 
-MemberExpression
-    : PrimaryExpression { $$ = $1; }
-    | LexSetRegExp FunctionExpression { $$ = $2; }
-    | MemberExpression MemberAccess { $2->SetLeft($1); $$ = $2; }
-    | LexSetRegExp MemberExpression_ { $$ = $2; }
-    ;
-
-MemberExpressionNoBF
-    : PrimaryExpressionNoBF { $$ = $1; }
-    | MemberExpressionNoBF MemberAccess { $2->SetLeft($1); $$ = $2; }
-    | MemberExpression_ { $$ = $1; }
-    ;
-
-@begin C
-MemberExpressionNoRE
-    : PrimaryExpressionNoRE { $$ = $1; }
-    | FunctionExpression { $$ = $1; }
-    | MemberExpressionNoRE MemberAccess { $2->SetLeft($1); $$ = $2; }
-    | MemberExpression_ { $$ = $1; }
+MemberExpression_
+    : MemberExpression { $$ = $1; }
+    //| "super" { $$ = $1; }
     ;
-@end
 
-NewExpression_
-    : "new" NewExpression { $$ = new(driver.pool_) CYNew($2, NULL); }
+MemberExpression
+    : LexSetRegExp PrimaryExpression { $$ = $2; }
+    | MemberExpression_ { driver.context_ = $1; } MemberAccess { $3->SetLeft($1); $$ = $3; }
+    | LexSetRegExp "new" MemberExpression Arguments { $$ = CYNew cy::Syntax::New($3, $4); }
     ;
 
 NewExpression
     : MemberExpression { $$ = $1; }
-    | LexSetRegExp NewExpression_ { $$ = $2; }
+    | LexSetRegExp "new" NewExpression { $$ = CYNew cy::Syntax::New($3, NULL); }
     ;
 
-NewExpressionNoBF
-    : MemberExpressionNoBF { $$ = $1; }
-    | NewExpression_ { $$ = $1; }
-    ;
-
-@begin C
-NewExpressionNoRE
-    : MemberExpressionNoRE { $$ = $1; }
-    | NewExpression_ { $$ = $1; }
+CallExpression_
+    : MemberExpression_
+    | CallExpression
     ;
-@end
 
 CallExpression
-    : MemberExpression Arguments { $$ = new(driver.pool_) CYCall($1, $2); }
-    | CallExpression Arguments { $$ = new(driver.pool_) CYCall($1, $2); }
-    | CallExpression MemberAccess { $2->SetLeft($1); $$ = $2; }
-    ;
-
-CallExpressionNoBF
-    : MemberExpressionNoBF Arguments { $$ = new(driver.pool_) CYCall($1, $2); }
-    | CallExpressionNoBF Arguments { $$ = new(driver.pool_) CYCall($1, $2); }
-    | CallExpressionNoBF MemberAccess { $2->SetLeft($1); $$ = $2; }
+    : CallExpression_ Arguments { $$ = CYNew CYCall($1, $2); }
+    | CallExpression { driver.context_ = $1; } MemberAccess { $3->SetLeft($1); $$ = $3; }
     ;
 
-@begin C
-CallExpressionNoRE
-    : MemberExpressionNoRE Arguments { $$ = new(driver.pool_) CYCall($1, $2); }
-    | CallExpressionNoRE Arguments { $$ = new(driver.pool_) CYCall($1, $2); }
-    | CallExpressionNoRE MemberAccess { $2->SetLeft($1); $$ = $2; }
+Arguments
+    : "(" LexPushInOff ArgumentListOpt ")" LexPopIn { $$ = $3; }
     ;
-@end
 
 ArgumentList_
     : "," ArgumentList { $$ = $2; }
     | { $$ = NULL; }
     ;
 
-ArgumentListOpt
-    : ArgumentList { $$ = $1; }
-    | LexSetRegExp { $$ = NULL; }
-    ;
-
 ArgumentList
-    : AssignmentExpression ArgumentList_ { $$ = new(driver.pool_) CYArgument(NULL, $1, $2); }
+    : AssignmentExpression ArgumentList_ { $$ = CYNew CYArgument(NULL, $1, $2); }
     ;
 
-Arguments
-    : "(" ArgumentListOpt ")" { $$ = $2; }
+ArgumentListOpt
+    : ArgumentList { $$ = $1; }
+    | LexSetRegExp { $$ = NULL; }
     ;
 
 LeftHandSideExpression
     : NewExpression { $$ = $1; }
     | CallExpression { $$ = $1; }
     ;
-
-LeftHandSideExpressionNoBF
-    : NewExpressionNoBF { $$ = $1; }
-    | CallExpressionNoBF { $$ = $1; }
-    ;
-
-@begin C
-LeftHandSideExpressionNoRE
-    : NewExpressionNoRE { $$ = $1; }
-    | CallExpressionNoRE { $$ = $1; }
-    ;
-@end
 /* }}} */
 /* 11.3 Postfix Expressions {{{ */
 PostfixExpression
-    : AssigneeExpression { $$ = $1; }
-    | LeftHandSideExpression "++" { $$ = new(driver.pool_) CYPostIncrement($1); }
-    | LeftHandSideExpression "--" { $$ = new(driver.pool_) CYPostDecrement($1); }
+    : %prec "" LeftHandSideExpression { $$ = $1; }
+    | LeftHandSideExpression "++" { $$ = CYNew CYPostIncrement($1); }
+    | LeftHandSideExpression "--" { $$ = CYNew CYPostDecrement($1); }
     ;
-
-PostfixExpressionNoBF
-    : AssigneeExpressionNoBF { $$ = $1; }
-    | LeftHandSideExpressionNoBF "++" { $$ = new(driver.pool_) CYPostIncrement($1); }
-    | LeftHandSideExpressionNoBF "--" { $$ = new(driver.pool_) CYPostDecrement($1); }
-    ;
-
-@begin C
-PostfixExpressionNoRE
-    : AssigneeExpressionNoRE { $$ = $1; }
-    | LeftHandSideExpressionNoRE "++" { $$ = new(driver.pool_) CYPostIncrement($1); }
-    | LeftHandSideExpressionNoRE "--" { $$ = new(driver.pool_) CYPostDecrement($1); }
-    ;
-@end
 /* }}} */
 /* 11.4 Unary Operators {{{ */
 UnaryExpression_
-    : "delete" UnaryExpression { $$ = new(driver.pool_) CYDelete($2); }
-    | "void" UnaryExpression { $$ = new(driver.pool_) CYVoid($2); }
-    | "typeof" UnaryExpression { $$ = new(driver.pool_) CYTypeOf($2); }
-    | "++" UnaryExpression { $$ = new(driver.pool_) CYPreIncrement($2); }
-    | "\n++" UnaryExpression { $$ = new(driver.pool_) CYPreIncrement($2); }
-    | "--" UnaryExpression { $$ = new(driver.pool_) CYPreDecrement($2); }
-    | "\n--" UnaryExpression { $$ = new(driver.pool_) CYPreDecrement($2); }
-    | "+" UnaryExpression { $$ = new(driver.pool_) CYAffirm($2); }
-    | "-" UnaryExpression { $$ = new(driver.pool_) CYNegate($2); }
-    | "~" UnaryExpression { $$ = new(driver.pool_) CYBitwiseNot($2); }
-    | "!" UnaryExpression { $$ = new(driver.pool_) CYLogicalNot($2); }
+    : "delete" UnaryExpression { $$ = 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
     : PostfixExpression { $$ = $1; }
     | LexSetRegExp UnaryExpression_ { $$ = $2; }
     ;
-
-UnaryExpressionNoBF
-    : PostfixExpressionNoBF { $$ = $1; }
-    | UnaryExpression_ { $$ = $1; }
-    ;
-
-@begin C
-UnaryExpressionNoRE
-    : PostfixExpressionNoRE { $$ = $1; }
-    | UnaryExpression_ { $$ = $1; }
-    ;
-@end
 /* }}} */
 /* 11.5 Multiplicative Operators {{{ */
 MultiplicativeExpression
     : UnaryExpression { $$ = $1; }
-    | MultiplicativeExpression "*" UnaryExpression { $$ = new(driver.pool_) CYMultiply($1, $3); }
-    | MultiplicativeExpression "/" UnaryExpression { $$ = new(driver.pool_) CYDivide($1, $3); }
-    | MultiplicativeExpression "%" UnaryExpression { $$ = new(driver.pool_) CYModulus($1, $3); }
-    ;
-
-MultiplicativeExpressionNoBF
-    : UnaryExpressionNoBF { $$ = $1; }
-    | MultiplicativeExpressionNoBF "*" UnaryExpression { $$ = new(driver.pool_) CYMultiply($1, $3); }
-    | MultiplicativeExpressionNoBF "/" UnaryExpression { $$ = new(driver.pool_) CYDivide($1, $3); }
-    | MultiplicativeExpressionNoBF "%" UnaryExpression { $$ = new(driver.pool_) CYModulus($1, $3); }
+    | MultiplicativeExpression "*" UnaryExpression { $$ = CYNew CYMultiply($1, $3); }
+    | MultiplicativeExpression "/" UnaryExpression { $$ = CYNew CYDivide($1, $3); }
+    | MultiplicativeExpression "%" UnaryExpression { $$ = CYNew CYModulus($1, $3); }
     ;
 /* }}} */
 /* 11.6 Additive Operators {{{ */
 AdditiveExpression
     : MultiplicativeExpression { $$ = $1; }
-    | AdditiveExpression "+" MultiplicativeExpression { $$ = new(driver.pool_) CYAdd($1, $3); }
-    | AdditiveExpression "-" MultiplicativeExpression { $$ = new(driver.pool_) CYSubtract($1, $3); }
-    ;
-
-AdditiveExpressionNoBF
-    : MultiplicativeExpressionNoBF { $$ = $1; }
-    | AdditiveExpressionNoBF "+" MultiplicativeExpression { $$ = new(driver.pool_) CYAdd($1, $3); }
-    | AdditiveExpressionNoBF "-" MultiplicativeExpression { $$ = new(driver.pool_) CYSubtract($1, $3); }
+    | AdditiveExpression "+" MultiplicativeExpression { $$ = CYNew CYAdd($1, $3); }
+    | AdditiveExpression "-" MultiplicativeExpression { $$ = CYNew CYSubtract($1, $3); }
     ;
 /* }}} */
 /* 11.7 Bitwise Shift Operators {{{ */
 ShiftExpression
     : AdditiveExpression { $$ = $1; }
-    | ShiftExpression "<<" AdditiveExpression { $$ = new(driver.pool_) CYShiftLeft($1, $3); }
-    | ShiftExpression ">>" AdditiveExpression { $$ = new(driver.pool_) CYShiftRightSigned($1, $3); }
-    | ShiftExpression ">>>" AdditiveExpression { $$ = new(driver.pool_) CYShiftRightUnsigned($1, $3); }
-    ;
-
-ShiftExpressionNoBF
-    : AdditiveExpressionNoBF { $$ = $1; }
-    | ShiftExpressionNoBF "<<" AdditiveExpression { $$ = new(driver.pool_) CYShiftLeft($1, $3); }
-    | ShiftExpressionNoBF ">>" AdditiveExpression { $$ = new(driver.pool_) CYShiftRightSigned($1, $3); }
-    | ShiftExpressionNoBF ">>>" AdditiveExpression { $$ = new(driver.pool_) CYShiftRightUnsigned($1, $3); }
+    | ShiftExpression "<<" AdditiveExpression { $$ = CYNew CYShiftLeft($1, $3); }
+    | ShiftExpression ">>" AdditiveExpression { $$ = CYNew CYShiftRightSigned($1, $3); }
+    | ShiftExpression ">>>" AdditiveExpression { $$ = CYNew CYShiftRightUnsigned($1, $3); }
     ;
 /* }}} */
 /* 11.8 Relational Operators {{{ */
-RelationalExpressionNoIn_
-    : "<" ShiftExpression { $$ = new(driver.pool_) CYLess(NULL, $2); }
-    | ">" ShiftExpression { $$ = new(driver.pool_) CYGreater(NULL, $2); }
-    | "<=" ShiftExpression { $$ = new(driver.pool_) CYLessOrEqual(NULL, $2); }
-    | ">=" ShiftExpression { $$ = new(driver.pool_) CYGreaterOrEqual(NULL, $2); }
-    | "instanceof" ShiftExpression { $$ = new(driver.pool_) CYInstanceOf(NULL, $2); }
-    ;
-
-RelationalExpression_
-    : RelationalExpressionNoIn_ { $$ = $1; }
-    | "in" ShiftExpression { $$ = new(driver.pool_) CYIn(NULL, $2); }
-    ;
-
 RelationalExpression
     : ShiftExpression { $$ = $1; }
-    | RelationalExpression RelationalExpression_ { $2->SetLeft($1); $$ = $2; }
-    ;
-
-RelationalExpressionNoIn
-    : ShiftExpression { $$ = $1; }
-    | RelationalExpressionNoIn RelationalExpressionNoIn_ { $2->SetLeft($1); $$ = $2; }
-    ;
-
-RelationalExpressionNoBF
-    : ShiftExpressionNoBF { $$ = $1; }
-    | RelationalExpressionNoBF RelationalExpression_ { $2->SetLeft($1); $$ = $2; }
+    | RelationalExpression "<" ShiftExpression { $$ = 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 { $$ = CYNew CYIn($1, $3); }
     ;
 /* }}} */
 /* 11.9 Equality Operators {{{ */
 EqualityExpression
     : RelationalExpression { $$ = $1; }
-    | EqualityExpression "==" RelationalExpression { $$ = new(driver.pool_) CYEqual($1, $3); }
-    | EqualityExpression "!=" RelationalExpression { $$ = new(driver.pool_) CYNotEqual($1, $3); }
-    | EqualityExpression "===" RelationalExpression { $$ = new(driver.pool_) CYIdentical($1, $3); }
-    | EqualityExpression "!==" RelationalExpression { $$ = new(driver.pool_) CYNotIdentical($1, $3); }
-    ;
-
-EqualityExpressionNoIn
-    : RelationalExpressionNoIn { $$ = $1; }
-    | EqualityExpressionNoIn "==" RelationalExpressionNoIn { $$ = new(driver.pool_) CYEqual($1, $3); }
-    | EqualityExpressionNoIn "!=" RelationalExpressionNoIn { $$ = new(driver.pool_) CYNotEqual($1, $3); }
-    | EqualityExpressionNoIn "===" RelationalExpressionNoIn { $$ = new(driver.pool_) CYIdentical($1, $3); }
-    | EqualityExpressionNoIn "!==" RelationalExpressionNoIn { $$ = new(driver.pool_) CYNotIdentical($1, $3); }
-    ;
-
-EqualityExpressionNoBF
-    : RelationalExpressionNoBF { $$ = $1; }
-    | EqualityExpressionNoBF "==" RelationalExpression { $$ = new(driver.pool_) CYEqual($1, $3); }
-    | EqualityExpressionNoBF "!=" RelationalExpression { $$ = new(driver.pool_) CYNotEqual($1, $3); }
-    | EqualityExpressionNoBF "===" RelationalExpression { $$ = new(driver.pool_) CYIdentical($1, $3); }
-    | EqualityExpressionNoBF "!==" RelationalExpression { $$ = new(driver.pool_) CYNotIdentical($1, $3); }
+    | EqualityExpression "==" RelationalExpression { $$ = CYNew CYEqual($1, $3); }
+    | EqualityExpression "!=" RelationalExpression { $$ = CYNew CYNotEqual($1, $3); }
+    | EqualityExpression "===" RelationalExpression { $$ = CYNew CYIdentical($1, $3); }
+    | EqualityExpression "!==" RelationalExpression { $$ = CYNew CYNotIdentical($1, $3); }
     ;
 /* }}} */
 /* 11.10 Binary Bitwise Operators {{{ */
 BitwiseANDExpression
     : EqualityExpression { $$ = $1; }
-    | BitwiseANDExpression "&" EqualityExpression { $$ = new(driver.pool_) CYBitwiseAnd($1, $3); }
-    ;
-
-BitwiseANDExpressionNoIn
-    : EqualityExpressionNoIn { $$ = $1; }
-    | BitwiseANDExpressionNoIn "&" EqualityExpressionNoIn { $$ = new(driver.pool_) CYBitwiseAnd($1, $3); }
-    ;
-
-BitwiseANDExpressionNoBF
-    : EqualityExpressionNoBF { $$ = $1; }
-    | BitwiseANDExpressionNoBF "&" EqualityExpression { $$ = new(driver.pool_) CYBitwiseAnd($1, $3); }
+    | BitwiseANDExpression "&" EqualityExpression { $$ = CYNew CYBitwiseAnd($1, $3); }
     ;
 
 BitwiseXORExpression
     : BitwiseANDExpression { $$ = $1; }
-    | BitwiseXORExpression "^" BitwiseANDExpression { $$ = new(driver.pool_) CYBitwiseXOr($1, $3); }
-    ;
-
-BitwiseXORExpressionNoIn
-    : BitwiseANDExpressionNoIn { $$ = $1; }
-    | BitwiseXORExpressionNoIn "^" BitwiseANDExpressionNoIn { $$ = new(driver.pool_) CYBitwiseXOr($1, $3); }
-    ;
-
-BitwiseXORExpressionNoBF
-    : BitwiseANDExpressionNoBF { $$ = $1; }
-    | BitwiseXORExpressionNoBF "^" BitwiseANDExpression { $$ = new(driver.pool_) CYBitwiseXOr($1, $3); }
+    | BitwiseXORExpression "^" BitwiseANDExpression { $$ = CYNew CYBitwiseXOr($1, $3); }
     ;
 
 BitwiseORExpression
     : BitwiseXORExpression { $$ = $1; }
-    | BitwiseORExpression "|" BitwiseXORExpression { $$ = new(driver.pool_) CYBitwiseOr($1, $3); }
-    ;
-
-BitwiseORExpressionNoIn
-    : BitwiseXORExpressionNoIn { $$ = $1; }
-    | BitwiseORExpressionNoIn "|" BitwiseXORExpressionNoIn { $$ = new(driver.pool_) CYBitwiseOr($1, $3); }
-    ;
-
-BitwiseORExpressionNoBF
-    : BitwiseXORExpressionNoBF { $$ = $1; }
-    | BitwiseORExpressionNoBF "|" BitwiseXORExpression { $$ = new(driver.pool_) CYBitwiseOr($1, $3); }
+    | BitwiseORExpression "|" BitwiseXORExpression { $$ = CYNew CYBitwiseOr($1, $3); }
     ;
 /* }}} */
 /* 11.11 Binary Logical Operators {{{ */
 LogicalANDExpression
     : BitwiseORExpression { $$ = $1; }
-    | LogicalANDExpression "&&" BitwiseORExpression { $$ = new(driver.pool_) CYLogicalAnd($1, $3); }
-    ;
-
-LogicalANDExpressionNoIn
-    : BitwiseORExpressionNoIn { $$ = $1; }
-    | LogicalANDExpressionNoIn "&&" BitwiseORExpressionNoIn { $$ = new(driver.pool_) CYLogicalAnd($1, $3); }
-    ;
-
-LogicalANDExpressionNoBF
-    : BitwiseORExpressionNoBF { $$ = $1; }
-    | LogicalANDExpressionNoBF "&&" BitwiseORExpression { $$ = new(driver.pool_) CYLogicalAnd($1, $3); }
+    | LogicalANDExpression "&&" BitwiseORExpression { $$ = CYNew CYLogicalAnd($1, $3); }
     ;
 
 LogicalORExpression
     : LogicalANDExpression { $$ = $1; }
-    | LogicalORExpression "||" LogicalANDExpression { $$ = new(driver.pool_) CYLogicalOr($1, $3); }
-    ;
-
-LogicalORExpressionNoIn
-    : LogicalANDExpressionNoIn { $$ = $1; }
-    | LogicalORExpressionNoIn "||" LogicalANDExpressionNoIn { $$ = new(driver.pool_) CYLogicalOr($1, $3); }
-    ;
-
-LogicalORExpressionNoBF
-    : LogicalANDExpressionNoBF { $$ = $1; }
-    | LogicalORExpressionNoBF "||" LogicalANDExpression { $$ = new(driver.pool_) CYLogicalOr($1, $3); }
+    | LogicalORExpression "||" LogicalANDExpression { $$ = CYNew CYLogicalOr($1, $3); }
     ;
 /* }}} */
 /* 11.12 Conditional Operator ( ? : ) {{{ */
 ConditionalExpression
     : LogicalORExpression { $$ = $1; }
-    | LogicalORExpression "?" AssignmentExpression ":" AssignmentExpression { $$ = new(driver.pool_) CYCondition($1, $3, $5); }
-    ;
-
-ConditionalExpressionNoIn
-    : LogicalORExpressionNoIn { $$ = $1; }
-    | LogicalORExpressionNoIn "?" AssignmentExpression ":" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYCondition($1, $3, $5); }
-    ;
-
-ConditionalExpressionNoBF
-    : LogicalORExpressionNoBF { $$ = $1; }
-    | LogicalORExpressionNoBF "?" AssignmentExpression ":" AssignmentExpression { $$ = new(driver.pool_) CYCondition($1, $3, $5); }
+    | LogicalORExpression "?" LexPushInOff AssignmentExpression ":" LexPopIn AssignmentExpression { $$ = CYNew CYCondition($1, $4, $7); }
     ;
 /* }}} */
 /* 11.13 Assignment Operators {{{ */
-AssignmentExpression_
-    : "=" AssignmentExpression { $$ = new(driver.pool_) CYAssign(NULL, $2); }
-    | "*=" AssignmentExpression { $$ = new(driver.pool_) CYMultiplyAssign(NULL, $2); }
-    | "/=" AssignmentExpression { $$ = new(driver.pool_) CYDivideAssign(NULL, $2); }
-    | "%=" AssignmentExpression { $$ = new(driver.pool_) CYModulusAssign(NULL, $2); }
-    | "+=" AssignmentExpression { $$ = new(driver.pool_) CYAddAssign(NULL, $2); }
-    | "-=" AssignmentExpression { $$ = new(driver.pool_) CYSubtractAssign(NULL, $2); }
-    | "<<=" AssignmentExpression { $$ = new(driver.pool_) CYShiftLeftAssign(NULL, $2); }
-    | ">>=" AssignmentExpression { $$ = new(driver.pool_) CYShiftRightSignedAssign(NULL, $2); }
-    | ">>>=" AssignmentExpression { $$ = new(driver.pool_) CYShiftRightUnsignedAssign(NULL, $2); }
-    | "&=" AssignmentExpression { $$ = new(driver.pool_) CYBitwiseAndAssign(NULL, $2); }
-    | "^=" AssignmentExpression { $$ = new(driver.pool_) CYBitwiseXOrAssign(NULL, $2); }
-    | "|=" AssignmentExpression { $$ = new(driver.pool_) CYBitwiseOrAssign(NULL, $2); }
-    ;
-
-AssigneeExpression
-    : LeftHandSideExpression { $$ = $1; }
-@begin C
-    | LexSetRegExp UnaryAssigneeExpression { $$ = $2; }
-@end
-    ;
-
-AssigneeExpressionNoBF
-    : LeftHandSideExpressionNoBF { $$ = $1; }
-@begin C
-    | UnaryAssigneeExpression { $$ = $1; }
-@end
-    ;
-
-@begin C
-AssigneeExpressionNoRE
-    : LeftHandSideExpressionNoRE { $$ = $1; }
-    | UnaryAssigneeExpression { $$ = $1; }
-    ;
-@end
-
 AssignmentExpression
     : ConditionalExpression { $$ = $1; }
-    | AssigneeExpression AssignmentExpression_ { $2->SetLeft($1); $$ = $2; }
-    ;
-
-AssignmentExpressionNoIn
-    : ConditionalExpressionNoIn { $$ = $1; }
-    | AssigneeExpression "=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYAssign($1, $3); }
-    | AssigneeExpression "*=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYMultiplyAssign($1, $3); }
-    | AssigneeExpression "/=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYDivideAssign($1, $3); }
-    | AssigneeExpression "%=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYModulusAssign($1, $3); }
-    | AssigneeExpression "+=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYAddAssign($1, $3); }
-    | AssigneeExpression "-=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYSubtractAssign($1, $3); }
-    | AssigneeExpression "<<=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYShiftLeftAssign($1, $3); }
-    | AssigneeExpression ">>=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYShiftRightSignedAssign($1, $3); }
-    | AssigneeExpression ">>>=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYShiftRightUnsignedAssign($1, $3); }
-    | AssigneeExpression "&=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYBitwiseAndAssign($1, $3); }
-    | AssigneeExpression "^=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYBitwiseXOrAssign($1, $3); }
-    | AssigneeExpression "|=" AssignmentExpressionNoIn { $$ = new(driver.pool_) CYBitwiseOrAssign($1, $3); }
-    ;
-
-AssignmentExpressionNoBF
-    : ConditionalExpressionNoBF { $$ = $1; }
-    | AssigneeExpressionNoBF AssignmentExpression_ { $2->SetLeft($1); $$ = $2; }
+    | ArrowFunction { $$ = $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); }
     ;
 /* }}} */
 /* 11.14 Comma Operator {{{ */
 Expression_
-    : "," Expression { $$ = new(driver.pool_) CYCompound($2); }
-    | { $$ = NULL; }
+    : "," Expression { $$ = $2; }
+    | { $$ = CYNew CYCompound(); }
     ;
 
-ExpressionNoIn_
-    : "," ExpressionNoIn { $$ = new(driver.pool_) CYCompound($2); }
-    | { $$ = NULL; }
+Expression
+    : AssignmentExpression Expression_ { $2->AddPrev($1); $$ = $2; }
     ;
 
 ExpressionOpt
     : Expression { $$ = $1; }
     | LexSetRegExp { $$ = NULL; }
     ;
-
-ExpressionNoInOpt
-    : ExpressionNoIn { $$ = $1; }
-    | LexSetRegExp { $$ = NULL; }
-    ;
-
-Expression
-    : AssignmentExpression Expression_ { if ($2) { $2->AddPrev($1); $$ = $2; } else $$ = $1; }
-    ;
-
-ExpressionNoIn
-    : AssignmentExpressionNoIn ExpressionNoIn_ { if ($2) { $2->AddPrev($1); $$ = $2; } else $$ = $1; }
-    ;
-
-ExpressionNoBF
-    : AssignmentExpressionNoBF Expression_ { if ($2) { $2->AddPrev($1); $$ = $2; } else $$ = $1; }
-    ;
 /* }}} */
 
 /* 12 Statements {{{ */
-Statement_
+Statement__
     : Block { $$ = $1; }
     | VariableStatement { $$ = $1; }
     | EmptyStatement { $$ = $1; }
-    | ExpressionStatement { $$ = $1; }
     | IfStatement { $$ = $1; }
-    | IterationStatement { $$ = $1; }
+    | BreakableStatement { $$ = $1; }
     | ContinueStatement { $$ = $1; }
     | BreakStatement { $$ = $1; }
     | ReturnStatement { $$ = $1; }
     | WithStatement { $$ = $1; }
     | LabelledStatement { $$ = $1; }
-    | SwitchStatement { $$ = $1; }
     | ThrowStatement { $$ = $1; }
     | TryStatement { $$ = $1; }
+    | DebuggerStatement { $$ = $1; }
+    ;
+
+Statement_
+    : LexSetRegExp Statement__ { $$ = $2; }
+    | ExpressionStatement { $$ = $1; }
     ;
 
 Statement
-    : LexSetRegExp Statement_ { $$ = $2; }
+    : LexSetStatement Statement_ { $$ = $2; }
+    ;
+
+Declaration__
+    : FunctionDeclaration { $$ = $1; }
+    | LexicalDeclaration { $$ = $1; }
+    ;
+
+Declaration_
+    : LexSetRegExp Declaration__ { $$ = $2; }
+    ;
+
+Declaration
+    : LexSetStatement Declaration_ { $$ = $2; }
+    ;
+
+BreakableStatement
+    : IterationStatement { $$ = $1; }
+    | SwitchStatement { $$ = $1; }
     ;
 /* }}} */
 /* 12.1 Block {{{ */
 Block_
-    : "{" StatementListOpt "}" { $$ = $2; }
+    : BRACE StatementListOpt "}" { $$ = $2; }
     ;
 
 Block
-    : Block_ { if ($1) $$ = new(driver.pool_) CYBlock($1); else $$ = new(driver.pool_) CYEmpty(); }
+    : ";{" StatementListOpt "}" { $$ = CYNew CYBlock($2); }
     ;
 
 StatementList
-    : Statement StatementListOpt { $1->SetNext($2); $$ = $1; }
+    : StatementListItem StatementListOpt { $1->SetNext($2); $$ = $1; }
     ;
 
 StatementListOpt
     : StatementList { $$ = $1; }
-    | LexSetRegExp { $$ = NULL; }
+    | LexSetStatement LexSetRegExp { $$ = NULL; }
+    ;
+
+StatementListItem
+    : Statement { $$ = $1; }
+    | Declaration { $$ = $1; }
     ;
 /* }}} */
-/* 12.2 Variable Statement {{{ */
+
+/* 12.2 Declarations {{{ */
+BindingIdentifier
+    : Identifier { $$ = $1; }
+    ;
+
+Binding
+    : BindingIdentifier
+    ;
+
+// XXX: BindingPattern
+/* }}} */
+/* 12.2.1 Let and Const Declarations {{{ */
+LexicalDeclaration
+    : LetOrConst VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
+    ;
+
+LetOrConst
+    : "let"
+    | "const"
+    ;
+/* }}} */
+/* 12.2.2 Variable Statement {{{ */
 VariableStatement
-    : "var" VariableDeclarationList Terminator { $$ = new(driver.pool_) CYVar($2); }
+    : Var_ VariableDeclarationList Terminator { $$ = CYNew CYVar($2); }
     ;
 
 VariableDeclarationList_
@@ -1280,53 +1118,44 @@ VariableDeclarationList_
     | { $$ = NULL; }
     ;
 
-VariableDeclarationListNoIn_
-    : "," VariableDeclarationListNoIn { $$ = $2; }
-    | { $$ = NULL; }
-    ;
-
 VariableDeclarationList
-    : VariableDeclaration VariableDeclarationList_ { $$ = new(driver.pool_) CYDeclarations($1, $2); }
-    ;
-
-VariableDeclarationListNoIn
-    : VariableDeclarationNoIn VariableDeclarationListNoIn_ { $$ = new(driver.pool_) CYDeclarations($1, $2); }
+    : VariableDeclaration VariableDeclarationList_ { $$ = CYNew CYDeclarations($1, $2); }
     ;
 
 VariableDeclaration
-    : Identifier InitialiserOpt { $$ = new(driver.pool_) CYDeclaration($1, $2); }
+    : BindingIdentifier InitialiserOpt { $$ = CYNew CYDeclaration($1, $2); }
+    // XXX: | BindingPattern Initialiser { $$ = CYNew CYDeclaration($1, $2); }
     ;
 
-VariableDeclarationNoIn
-    : Identifier InitialiserNoInOpt { $$ = new(driver.pool_) CYDeclaration($1, $2); }
+Initialiser
+    : "=" AssignmentExpression { $$ = $2; }
     ;
 
 InitialiserOpt
     : Initialiser { $$ = $1; }
     | { $$ = NULL; }
     ;
+/* }}} */
+/* 12.2.4 Destructuring Binding Patterns {{{ */
+// XXX: *
 
-InitialiserNoInOpt
-    : InitialiserNoIn { $$ = $1; }
-    | { $$ = NULL; }
-    ;
-
-Initialiser
-    : "=" AssignmentExpression { $$ = $2; }
+BindingElement
+    : SingleNameBinding { $$ = $1; }
     ;
 
-InitialiserNoIn
-    : "=" AssignmentExpressionNoIn { $$ = $2; }
+SingleNameBinding
+    : BindingIdentifier InitialiserOpt { $$ = CYNew CYDeclaration($1, $2); }
     ;
 /* }}} */
+
 /* 12.3 Empty Statement {{{ */
 EmptyStatement
-    : ";" { $$ = new(driver.pool_) CYEmpty(); }
+    : ";" { $$ = CYNew CYEmpty(); }
     ;
 /* }}} */
 /* 12.4 Expression Statement {{{ */
 ExpressionStatement
-    : ExpressionNoBF Terminator { $$ = new(driver.pool_) CYExpress($1); }
+    : Expression Terminator { $$ = CYNew CYExpress($1); }
     ;
 /* }}} */
 /* 12.5 The if Statement {{{ */
@@ -1336,77 +1165,77 @@ ElseStatementOpt
     ;
 
 IfStatement
-    : "if" "(" Expression ")" Statement ElseStatementOpt { $$ = new(driver.pool_) CYIf($3, $5, $6); }
+    : "if" "(" Expression ")" Statement ElseStatementOpt { $$ = CYNew CYIf($3, $5, $6); }
     ;
 /* }}} */
 
-/* 12.6 Iteration Statements {{{ */
-IterationStatement
-    : DoWhileStatement { $$ = $1; }
-    | WhileStatement { $$ = $1; }
-    | ForStatement { $$ = $1; }
-    | ForInStatement { $$ = $1; }
-    ;
-/* }}} */
 /* 12.6.1 The do-while Statement {{{ */
-DoWhileStatement
-    : "do" Statement "while" "(" Expression ")" TerminatorOpt { $$ = new(driver.pool_) CYDoWhile($5, $2); }
+IterationStatement
+    : "do" Statement "while" "(" Expression ")" TerminatorOpt { $$ = CYNew CYDoWhile($5, $2); }
     ;
 /* }}} */
 /* 12.6.2 The while Statement {{{ */
-WhileStatement
-    : "while" "(" Expression ")" Statement { $$ = new(driver.pool_) CYWhile($3, $5); }
+IterationStatement
+    : "while" "(" Expression ")" Statement { $$ = CYNew CYWhile($3, $5); }
     ;
 /* }}} */
 /* 12.6.3 The for Statement {{{ */
-ForStatement
-    : "for" "(" ForStatementInitialiser ";" ExpressionOpt ";" ExpressionOpt ")" Statement { $$ = new(driver.pool_) CYFor($3, $5, $7, $9); }
+IterationStatement
+    : "for" "(" LexPushInOn ForStatementInitialiser ";" LexPopIn ExpressionOpt ";" ExpressionOpt ")" Statement { $$ = CYNew CYFor($4, $7, $9, $11); }
     ;
 
 ForStatementInitialiser
-    : ExpressionNoInOpt { $$ = $1; }
-    | LexSetRegExp "var" VariableDeclarationListNoIn { $$ = $3; }
+    : ExpressionOpt { $$ = $1; }
+    | LexSetRegExp Var_ VariableDeclarationList { $$ = CYNew CYForDeclarations($3); }
     ;
 /* }}} */
-/* 12.6.4 The for-in Statement {{{ */
-ForInStatement
-    : "for" "(" ForInStatementInitialiser "in" Expression ")" Statement { $$ = new(driver.pool_) CYForIn($3, $5, $7); }
+/* 12.6.4 The for-in and for-of Statements {{{ */
+IterationStatement
+    : "for" "(" LexPushInOn ForInStatementInitialiser "!in" LexPopIn Expression ")" Statement { $$ = CYNew CYForIn($4, $7, $9); }
+    | "for" "(" LexPushInOn ForInStatementInitialiser "of" LexPopIn Expression ")" Statement { $$ = CYNew CYForOf($4, $7, $9); }
     ;
 
 ForInStatementInitialiser
     : LeftHandSideExpression { $$ = $1; }
-    | LexSetRegExp "var" VariableDeclarationNoIn { $$ = $3; }
+    | LexSetRegExp Var_ VariableDeclaration { $$ = $3; }
     ;
 /* }}} */
 
 /* 12.7 The continue Statement {{{ */
 ContinueStatement
-    : "continue" IdentifierOpt Terminator { $$ = new(driver.pool_) CYContinue($2); }
+    : "continue" "\n" StrictSemi { $$ = CYNew CYContinue(NULL); }
+    | "continue" IdentifierOpt Terminator { $$ = CYNew CYContinue($2); }
     ;
 /* }}} */
 /* 12.8 The break Statement {{{ */
 BreakStatement
-    : "break" IdentifierOpt Terminator { $$ = new(driver.pool_) CYBreak($2); }
+    : "break" "\n" StrictSemi { $$ = CYNew CYBreak(NULL); }
+    | "break" IdentifierOpt Terminator { $$ = CYNew CYBreak($2); }
     ;
 /* }}} */
 /* 12.9 The return Statement {{{ */
 ReturnStatement
-    : "return" ExpressionOpt Terminator { $$ = new(driver.pool_) CYReturn($2); }
+    : "return" LexSetRegExp "\n" StrictSemi { $$ = CYNew CYReturn(NULL); }
+    | "return" ExpressionOpt Terminator { $$ = CYNew CYReturn($2); }
     ;
 /* }}} */
 /* 12.10 The with Statement {{{ */
 WithStatement
-    : "with" "(" Expression ")" Statement { $$ = new(driver.pool_) CYWith($3, $5); }
+    : "with" "(" Expression ")" Statement { $$ = CYNew CYWith($3, $5); }
     ;
 /* }}} */
 
 /* 12.11 The switch Statement {{{ */
 SwitchStatement
-    : "switch" "(" Expression ")" CaseBlock { $$ = new(driver.pool_) CYSwitch($3, $5); }
+    : "switch" "(" Expression ")" CaseBlock { $$ = CYNew CYSwitch($3, $5); }
     ;
 
 CaseBlock
-    : "{" CaseClausesOpt "}" { $$ = $2; }
+    : BRACE CaseClausesOpt "}" { $$ = $2; }
+    ;
+
+CaseClause
+    : "case" Expression ":" StatementListOpt { $$ = CYNew CYClause($2, $4); }
     ;
 
 CaseClausesOpt
@@ -1415,47 +1244,49 @@ CaseClausesOpt
     | { $$ = NULL; }
     ;
 
-CaseClause
-    : "case" Expression ":" StatementListOpt { $$ = new(driver.pool_) CYClause($2, $4); }
-    ;
-
 DefaultClause
-    : "default" ":" StatementListOpt { $$ = new(driver.pool_) CYClause(NULL, $3); }
+    : "default" ":" StatementListOpt { $$ = CYNew CYClause(NULL, $3); }
     ;
 /* }}} */
 /* 12.12 Labelled Statements {{{ */
 LabelledStatement
-    : Identifier ":" Statement { $$ = new(driver.pool_) CYLabel($1, $3); }
+    : Identifier ":" Statement { $$ = CYNew CYLabel($1, $3); }
     ;
 /* }}} */
 /* 12.13 The throw Statement {{{ */
 ThrowStatement
-    : "throw" Expression Terminator { $$ = new(driver.pool_) cy::Syntax::Throw($2); }
+    : "throw" LexSetRegExp "\n" StrictSemi { YYABORT; }
+    | "throw" Expression Terminator { $$ = CYNew cy::Syntax::Throw($2); }
     ;
 /* }}} */
 /* 12.14 The try Statement {{{ */
 TryStatement
-    : "try" Block_ CatchOpt FinallyOpt { $$ = new(driver.pool_) cy::Syntax::Try($2, $3, $4); }
+    : "try" Block_ CatchOpt FinallyOpt { $$ = CYNew cy::Syntax::Try($2, $3, $4); }
     ;
 
 CatchOpt
-    : "catch" "(" Identifier ")" Block_ { $$ = new(driver.pool_) cy::Syntax::Catch($3, $5); }
+    : "catch" "(" Identifier ")" Block_ { $$ = CYNew cy::Syntax::Catch($3, $5); }
     | { $$ = NULL; }
     ;
 
 FinallyOpt
-    : "finally" Block_ { $$ = new(driver.pool_) CYFinally($2); }
+    : "finally" Block_ { $$ = CYNew CYFinally($2); }
     | { $$ = NULL; }
     ;
 /* }}} */
+/* 12.14 The debugger Statement {{{ */
+DebuggerStatement
+    : "debugger" Terminator { $$ = CYNew CYDebugger(); }
+    ;
+/* }}} */
 
-/* 13 Function Definition {{{ */
+/* 13.1 Function Definitions {{{ */
 FunctionDeclaration
-    : "function" Identifier "(" FormalParameterList ")" "{" FunctionBody "}" { $$ = new(driver.pool_) CYFunctionStatement($2, $4, $7); }
+    : ";function" Identifier "(" FormalParameterListOpt ")" BRACE FunctionBody "}" { $$ = CYNew CYFunctionStatement($2, $4, $7); }
     ;
 
 FunctionExpression
-    : "function" IdentifierOpt "(" FormalParameterList ")" "{" FunctionBody "}" { $$ = new(driver.pool_) CYFunctionExpression($2, $4, $7); }
+    : "function" IdentifierOpt "(" LexPushInOff FormalParameterListOpt ")" LexPopIn BRACE LexPushInOff FunctionBody "}" LexPopIn { $$ = CYNew CYFunctionExpression($2, $5, $10); }
     ;
 
 FormalParameterList_
@@ -1464,44 +1295,113 @@ FormalParameterList_
     ;
 
 FormalParameterList
-    : Identifier FormalParameterList_ { $$ = new(driver.pool_) CYFunctionParameter($1, $2); }
+    // XXX: : FunctionRestParameter { $$ = $1; }
+    : FormalParameter FormalParameterList_ { $$ = CYNew CYFunctionParameter($1, $2); }
+    ;
+
+FormalParameterListOpt
+    : FormalParameterList
     | { $$ = NULL; }
     ;
 
+/* XXX: FunctionRestParameter
+    : "..." BindingIdentifier { $$ = CYNew CYFunctionRestParameter($2); }
+    ;*/
+
+FormalParameter
+    : BindingElement { $$ = $1; }
+    ;
+
 FunctionBody
-    : SourceElements { $$ = $1; }
+    : StatementListOpt { $$ = $1; }
     ;
 /* }}} */
-/* 14 Program {{{ */
-Program
-    : SourceElements { driver.program_ = new(driver.pool_) CYProgram($1); }
+/* 13.2 Arrow Function Definitions {{{ */
+ArrowFunction
+    : LexSetRegExp ArrowParameters "=>" LexNoBrace ConciseBody { $$ = CYNew CYFatArrow($2, $5); }
     ;
 
-SourceElements
-    : SourceElement SourceElements { $1->SetNext($2); $$ = $1; }
-    | LexSetRegExp { $$ = NULL; }
+ArrowParameters
+    : BindingIdentifier { $$ = CYNew CYFunctionParameter(CYNew CYDeclaration($1)); }
+    //| ParentheticalOpt { $$ = $1; }
+    ;
+
+ConciseBody
+    : AssignmentExpression { $$ = CYNew CYReturn($1); }
+    | LexSetRegExp ";{" LexPushInOff FunctionBody "}" LexPopIn { $$ = $4; }
+    ;
+/* }}} */
+/* 14 Program {{{ */
+Program
+    : ProgramBodyOpt { driver.program_ = CYNew CYProgram($1); }
     ;
 
-SourceElement_
-    : Statement_ { $$ = $1; }
-    | FunctionDeclaration { $$ = $1; }
+ProgramBody
+    : StatementList { $$ = $1; }
     ;
 
-SourceElement
-    : LexSetRegExp SourceElement_ { $$ = $2; }
+ProgramBodyOpt
+    : ProgramBody { $$ = $1; }
+    | LexSetStatement LexSetRegExp { $$ = NULL; }
     ;
 /* }}} */
 
 @begin ObjectiveC
+/* Cycript (Objective-C): Type Encoding {{{ */
+SuffixedType
+    : IdentifierOpt { $$ = CYNew CYTypedIdentifier($1); }
+    | "(" LexPushInOff PrefixedType ")" LexPopIn { $$ = $3; }
+    | SuffixedType "[" NumericLiteral "]" { CYSetLast($1->type_) = CYNew CYTypeArrayOf($3); $$ = $1; }
+    ;
+
+PrefixedType
+    : SuffixedType { $$ = $1; }
+    | "const" PrefixedType { CYSetLast($2->type_) = CYNew CYTypeConstant(); $$ = $2; }
+    | "*" PrefixedType { CYSetLast($2->type_) = CYNew CYTypePointerTo(); $$ = $2; }
+    ;
+
+PrimitiveType
+    : Variable { $$ = $1; }
+    | "void" { $$  = CYNew cy::Syntax::New(CYNew CYVariable(CYNew CYIdentifier("Type")), CYNew CYArgument(CYNew CYString("v"))); }
+    ;
+
+QualifiedType
+    : PrimitiveType { $$ = CYNew CYTypeVariable($1); }
+    | "const" QualifiedType { $$ = CYNew CYTypeConstant($2); }
+    ;
+
+ModifiedType
+    : QualifiedType { $$ = $1; }
+    | QualifiedType "*" { $$ = CYNew CYTypePointerTo($1); }
+    | QualifiedType "const" { $$ = CYNew CYTypeConstant($1); }
+    ;
+
+TypedIdentifier
+    : QualifiedType PrefixedType { CYSetLast($2->type_) = $1; $$ = $2;}
+    ;
+
+EncodedType
+    : TypedIdentifier { $$ = CYNew CYEncodedType($1->type_); }
+    ;
+
+PrimaryExpression
+    : AtEncode "(" EncodedType ")" { $$ = $3; }
+    ;
+/* }}} */
 /* Cycript (Objective-C): @class Declaration {{{ */
 ClassSuperOpt
-    /* XXX: why the hell did I choose MemberExpressionNoBF? */
-    : ":" LexSetRegExp MemberExpressionNoBF { $$ = $3; }
+    /* XXX: why the hell did I choose MemberExpression? */
+    : ":" LexSetRegExp MemberExpression { $$ = $3; }
     | { $$ = NULL; }
     ;
 
-ClassFieldList
-    : "{" "}" { $$ = NULL; }
+ClassFieldListOpt
+    : Expression Identifier ";" ClassFieldListOpt { $$ = CYNew CYField($1, $2, $4); }
+    | LexSetRegExp { $$ = NULL; }
+    ;
+
+ClassFields
+    : BRACE ClassFieldListOpt "}" { $$ = $2; }
     ;
 
 MessageScope
@@ -1510,12 +1410,16 @@ MessageScope
     ;
 
 TypeOpt
-    : "(" Expression ")" { $$ = $2; }
+    : "(" LexSetRegExp EncodedType ")" { $$ = $3; }
     | { $$ = NULL; }
     ;
 
 MessageParameter
-    : Word ":" TypeOpt Identifier { $$ = new(driver.pool_) CYMessageParameter($1, $3, $4); }
+    : Word ":" TypeOpt Identifier { $$ = CYNew CYMessageParameter($1, $3, $4); }
+    ;
+
+MessageParameterList
+    : MessageParameter MessageParameterListOpt { $1->SetNext($2); $$ = $1; }
     ;
 
 MessageParameterListOpt
@@ -1523,21 +1427,18 @@ MessageParameterListOpt
     | { $$ = NULL; }
     ;
 
-MessageParameterList
-    : MessageParameter MessageParameterListOpt { $1->SetNext($2); $$ = $1; }
-    ;
-
 MessageParameters
     : MessageParameterList { $$ = $1; }
-    | Word { $$ = new(driver.pool_) CYMessageParameter($1, NULL, NULL); }
+    | Word { $$ = CYNew CYMessageParameter($1, NULL, NULL); }
     ;
 
 ClassMessageDeclaration
-    : MessageScope TypeOpt MessageParameters "{" FunctionBody "}" { $$ = new(driver.pool_) CYMessage($1, $2, $3, $5); }
+    : MessageScope TypeOpt MessageParameters BRACE FunctionBody "}" { $$ = CYNew CYMessage($1, $2, $3, $5); }
     ;
 
 ClassMessageDeclarationListOpt
     : ClassMessageDeclarationListOpt ClassMessageDeclaration { $2->SetNext($1); $$ = $2; }
+    | ClassMessageDeclarationListOpt Comment { $$ = $1; }
     | { $$ = NULL; }
     ;
 
@@ -1553,7 +1454,7 @@ ClassNameOpt
 
 // XXX: this should be AssignmentExpressionNoRight
 ClassProtocols
-    : ShiftExpression ClassProtocolsOpt { $$ = new(driver.pool_) CYProtocol($1, $2); }
+    : ShiftExpression ClassProtocolsOpt { $$ = CYNew CYProtocol($1, $2); }
     ;
 
 ClassProtocolsOpt
@@ -1567,49 +1468,67 @@ ClassProtocolListOpt
     ;
 
 ClassExpression
-    : "@class" ClassNameOpt ClassSuperOpt ClassProtocolListOpt ClassFieldList ClassMessageDeclarationListOpt "@end" { $$ = new(driver.pool_) CYClassExpression($2, $3, $4, $5, $6); }
+    : "@implementation" LexPushInOff ClassNameOpt ClassSuperOpt ClassProtocolListOpt ClassFields ClassMessageDeclarationListOpt "@end" LexPopIn { $$ = CYNew CYClassExpression($3, $4, $5, $6, $7); }
     ;
 
 ClassStatement
-    : "@class" ClassName ClassSuperOpt ClassProtocolListOpt ClassFieldList ClassMessageDeclarationListOpt "@end" { $$ = new(driver.pool_) CYClassStatement($2, $3, $4, $5, $6); }
+    : ";@implementation" ClassName ClassSuperOpt ClassProtocolListOpt ClassFields ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYClassStatement($2, $3, $4, $5, $6); }
+    ;
+
+CategoryName
+    : "(" WordOpt ")"
     ;
 
 CategoryStatement
-    : "@class" ClassName ClassMessageDeclarationListOpt "@end" { $$ = new(driver.pool_) CYCategory($2, $3); }
+    : ";@implementation" ClassName CategoryName ClassMessageDeclarationListOpt "@end" { $$ = CYNew CYCategory($2, $4); }
     ;
 
-PrimaryExpressionBF
+PrimaryExpression
     : ClassExpression { $$ = $1; }
     ;
 
-Statement_
+Statement__
     : ClassStatement { $$ = $1; }
     | CategoryStatement { $$ = $1; }
     ;
 /* }}} */
 /* Cycript (Objective-C): Send Message {{{ */
 VariadicCall
-    : "," AssignmentExpression VariadicCall { $$ = new(driver.pool_) CYArgument(NULL, $2, $3); }
+    : "," AssignmentExpression VariadicCall { $$ = 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
-    : WordOpt ":" AssignmentExpression SelectorCall_ { $$ = new(driver.pool_) CYArgument($1 ?: new(driver.pool_) CYBlank(), $3, $4); }
+    : SelectorWordOpt ":" AssignmentExpression SelectorCall_ { $$ = CYNew CYArgument($1 ?: CYNew CYBlank(), $3, $4); }
     ;
 
 SelectorList
     : SelectorCall { $$ = $1; }
-    | Word { $$ = new(driver.pool_) CYArgument($1, NULL); }
+    | Word { $$ = CYNew CYArgument($1, NULL); }
     ;
 
 MessageExpression
-    : "[" AssignmentExpression SelectorList "]" { $$ = new(driver.pool_) CYSendDirect($2, $3); }
-    | "[" LexSetRegExp "super" SelectorList "]" { $$ = new(driver.pool_) CYSendSuper($4); }
+    : "[" 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
@@ -1617,41 +1536,89 @@ SelectorExpressionOpt
     | { $$ = NULL; }
     ;
 
-SelectorExpression_
-    : WordOpt ":" SelectorExpressionOpt { $$ = new(driver.pool_) CYSelectorPart($1, true, $3); }
+PrimaryExpression
+    : MessageExpression { $$ = $1; }
+    | "@selector" "(" LexPushInOff SelectorExpression ")" LexPopIn { $$ = CYNew CYSelector($4); }
+    ;
+/* }}} */
+/* Cycript (Objective-C): @import Directive {{{ */
+PathName
+    : "/" PathName
+    | "." PathName
+    | Word PathName
+    |
     ;
 
-SelectorExpression
-    : SelectorExpression_ { $$ = $1; }
-    | Word { $$ = new(driver.pool_) CYSelectorPart($1, false, NULL); }
+ImportPath
+    : "<" PathName ">"
+    | StringLiteral
     ;
 
-PrimaryExpressionNo
-    : MessageExpression { $$ = $1; }
-    | "@selector" "(" SelectorExpression ")" { $$ = new(driver.pool_) CYSelector($3); }
+StatementListItem
+    : 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 { $$ = CYNew CYBox($2); }
+    ;
+/* }}} */
+/* Cycript (Objective-C): Block Expressions {{{ */
+TypedParameterList_
+    : "," TypedParameterList { $$ = $2; }
+    | { $$ = NULL; }
+    ;
+
+TypedParameterList
+    : TypedIdentifier TypedParameterList_ { $$ = CYNew CYTypedParameter($1, $2); }
+    ;
+
+TypedParameterListOpt
+    : TypedParameterList { $$ = $1; }
+    | { $$ = NULL; }
+    ;
+
+PrimaryExpression
+    : "^" ModifiedType "(" LexPushInOff TypedParameterListOpt ")" LexPopIn BRACE LexPushInOff FunctionBody "}" LexPopIn { $$ = CYNew CYObjCBlock($2, $5, $10); }
     ;
 /* }}} */
 @end
 
 @begin C
 /* Cycript (C): Pointer Indirection/Addressing {{{ */
-UnaryAssigneeExpression
-    : "*" UnaryExpressionNoRE { $$ = new(driver.pool_) CYIndirect($2); }
+LeftHandSideExpression
+    : LexSetRegExp "*" UnaryExpression { $$ = CYNew CYIndirect($3); }
     ;
 
 UnaryExpression_
-    : "&" UnaryExpression { $$ = new(driver.pool_) CYAddressOf($2); }
+    : "&" UnaryExpression { $$ = CYNew CYAddressOf($2); }
     ;
 
 MemberAccess
-    : "->" "[" Expression "]" { $$ = new(driver.pool_) CYIndirectMember(NULL, $3); }
-    | "->" Identifier { $$ = new(driver.pool_) CYIndirectMember(NULL, new(driver.pool_) CYString($2)); }
+    : "->" "[" Expression "]" { $$ = CYNew CYIndirectMember(NULL, $3); }
+    | "->" IdentifierName { $$ = CYNew CYIndirectMember(NULL, CYNew CYString($2)); }
+    | "->" AutoComplete { driver.mode_ = CYDriver::AutoIndirect; YYACCEPT; }
+    ;
+/* }}} */
+/* Cycript (C): auto Compatibility {{{ */
+Var_
+    : "auto"
     ;
 /* }}} */
 @end
 
 /* YUI: Documentation Comments {{{ */
-Statement_
+Statement__
     : Comment { $$ = $1; }
     ;
 /* }}} */
@@ -1682,11 +1649,12 @@ LexSetXMLTag
     : { driver.SetCondition(CYDriver::XMLTagCondition); }
     ;
 /* }}} */
-
+/* Virtual Tokens {{{ */
 XMLWhitespaceOpt
     : XMLWhitespace
     |
     ;
+/* }}} */
 
 /* 8.1 Context Keywords {{{ */
 Identifier
@@ -1701,9 +1669,10 @@ XMLMarkup
     | XMLPI { $$ = $1; }
     ;
 /* }}} */
+
 /* 11.1 Primary Expressions {{{ */
-PrimaryExpressionNo
-    : PropertyIdentifier { $$ = new(driver.pool_) CYPropertyVariable($1); }
+PrimaryExpression
+    : PropertyIdentifier { $$ = CYNew CYPropertyVariable($1); }
     | XMLInitialiser { $$ = $1; }
     | XMLListInitialiser { $$ = $1; }
     ;
@@ -1716,32 +1685,32 @@ PropertyIdentifier
 /* }}} */
 /* 11.1.1 Attribute Identifiers {{{ */
 AttributeIdentifier
-    : "@" QualifiedIdentifier_ { $$ = new(driver.pool_) CYAttribute($2); }
+    : "@" QualifiedIdentifier_ { $$ = CYNew CYAttribute($2); }
     ;
 
 PropertySelector_
     : PropertySelector { $$ = $1; }
-    | "[" Expression "]" { $$ = new(driver.pool_) CYSelector($2); }
+    | "[" LexPushInOff Expression "]" LexPopIn { $$ = CYNew CYSelector($3); }
     ;
 
 PropertySelector
-    : Identifier { $$ = new(driver.pool_) CYSelector($1); }
+    : Identifier { $$ = CYNew CYSelector($1); }
     | WildcardIdentifier { $$ = $1; }
     ;
 /* }}} */
 /* 11.1.2 Qualified Identifiers {{{ */
 QualifiedIdentifier_
-    : PropertySelector_ { $$ = new(driver.pool_) CYQualified(NULL, $1); }
+    : PropertySelector_ { $$ = CYNew CYQualified(NULL, $1); }
     | QualifiedIdentifier { $$ = $1; }
     ;
 
 QualifiedIdentifier
-    : PropertySelector "::" PropertySelector_ { $$ = new(driver.pool_) CYQualified($1, $3); }
+    : PropertySelector "::" PropertySelector_ { $$ = CYNew CYQualified($1, $3); }
     ;
 /* }}} */
 /* 11.1.3 Wildcard Identifiers {{{ */
 WildcardIdentifier
-    : "*" { $$ = new(driver.pool_) CYWildcard(); }
+    : "*" { $$ = CYNew CYWildcard(); }
     ;
 /* }}} */
 /* 11.1.4 XML Initialiser {{{ */
@@ -1751,8 +1720,8 @@ XMLInitialiser
     ;
 
 XMLElement
-    : "<" XMLTagContent "/>" LexPop
-    | "<" XMLTagContent ">" LexSetXMLContent XMLElementContentOpt "</" LexSetXMLTag XMLTagName XMLWhitespaceOpt ">" LexPop
+    : "<" LexPushInOff XMLTagContent LexPop "/>" LexPopIn
+    | "<" LexPushInOff XMLTagContent ">" LexSetXMLContent XMLElementContentOpt "</" LexSetXMLTag XMLTagName XMLWhitespaceOpt LexPop ">" LexPopIn
     ;
 
 XMLTagContent
@@ -1760,7 +1729,7 @@ XMLTagContent
     ;
 
 XMLExpression
-    : "{" LexPushRegExp Expression "}" LexPop
+    : BRACE LexPushRegExp Expression LexPop "}"
     ;
 
 XMLTagName
@@ -1801,9 +1770,10 @@ XMLElementContentOpt
 /* }}} */
 /* 11.1.5 XMLList Initialiser {{{ */
 XMLListInitialiser
-    : "<>" LexPushXMLContent XMLElementContent "</>" LexPop { $$ = new(driver.pool_) CYXMLList($3); }
+    : "<>" LexPushInOff LexPushXMLContent XMLElementContent LexPop "</>" LexPopIn { $$ = CYNew CYXMLList($4); }
     ;
 /* }}} */
+
 /* 11.2 Left-Hand-Side Expressions {{{ */
 PropertyIdentifier_
     : Identifier { $$ = $1; }
@@ -1811,35 +1781,34 @@ PropertyIdentifier_
     ;
 
 MemberAccess
-    : "." PropertyIdentifier { $$ = new(driver.pool_) CYPropertyMember(NULL, $2); }
-    | ".." PropertyIdentifier_ { $$ = new(driver.pool_) CYDescendantMember(NULL, $2); }
-    | "." "(" Expression ")" { $$ = new(driver.pool_) CYFilteringPredicate(NULL, $3); }
+    : "." PropertyIdentifier { $$ = 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 { $$ = new(driver.pool_) CYDefaultXMLNamespace($5); }
+    : "default" "xml" "namespace" "=" Expression Terminator { $$ = CYNew CYDefaultXMLNamespace($5); }
     ;
 
-Statement_
+Statement__
     : DefaultXMLNamespaceStatement { $$ = $1; }
     ; */
 /* }}} */
 @end
 
-/* ECMAScript5: Object Literal Trailing Comma {{{ */
-PropertyNameAndValueList_
-    : "," { $$ = NULL; }
-    ;
-/* }}} */
 /* JavaScript 1.7: Array Comprehensions {{{ */
 IfComprehension
-    : "if" "(" Expression ")" { $$ = new(driver.pool_) CYIfComprehension($3); }
+    : "if" "(" Expression ")" { $$ = CYNew CYIfComprehension($3); }
     ;
 
 ForComprehension
-    : "for" "(" Identifier "in" Expression ")" { $$ = new(driver.pool_) CYForInComprehension($3, $5); }
-    | "for" "each" "(" Identifier "in" Expression ")" { $$ = new(driver.pool_) CYForEachInComprehension($4, $6); }
+    : "for" "(" Identifier "in" Expression ")" { $$ = CYNew CYForInComprehension($3, $5); }
+    | "for" "each" "(" Identifier "in" Expression ")" { $$ = CYNew CYForOfComprehension($4, $6); }
+    ;
+
+ComprehensionList
+    : ForComprehension ComprehensionListOpt { $1->SetNext($2); $$ = $1; }
     ;
 
 ComprehensionListOpt
@@ -1848,31 +1817,56 @@ ComprehensionListOpt
     | { $$ = NULL; }
     ;
 
-ComprehensionList
-    : ForComprehension ComprehensionListOpt { $1->SetNext($2); $$ = $1; }
-    ;
-
-PrimaryExpressionNo
-    : "[" AssignmentExpression ComprehensionList "]" { $$ = new(driver.pool_) CYArrayComprehension($2, $3); }
+PrimaryExpression
+    : "[" LexPushInOff AssignmentExpression ComprehensionList "]" LexPopIn { $$ = CYNew CYArrayComprehension($3, $4); }
     ;
 /* }}} */
 /* JavaScript 1.7: for each {{{ */
-ForInStatement
-    : "for" "each" "(" ForInStatementInitialiser "in" Expression ")" Statement { $$ = new(driver.pool_) CYForEachIn($4, $6, $8); }
+IterationStatement
+    : "for" "each" "(" LexPushInOn ForInStatementInitialiser "!in" LexPopIn Expression ")" Statement { $$ = CYNew CYForOf($5, $8, $10); }
     ;
 /* }}} */
-/* JavaScript 1.7: let Statements {{{ *//*
+/* JavaScript 1.7: let Statements {{{ */
 LetStatement
-    : "let" "(" VariableDeclarationList ")" Block_ { $$ = new(driver.pool_) CYLet($3, $5); }
+    : "let" "(" VariableDeclarationList ")" Statement { $$ = CYNew CYLetStatement($3, $5); }
     ;
 
-Statement_
+Statement__
     : LetStatement
     ;
-*//* }}} */
-/* JavaScript FTW: Function Statements {{{ */
-Statement
-    : LexSetRegExp FunctionDeclaration { driver.Warning(yylloc, "warning, FunctionDeclaration is a SourceElement, not a Statement"); } { $$ = $2; }
+/* }}} */
+
+/* JavaScript FTW: Ruby Blocks {{{ */
+RubyProcParameterList_
+    : "," RubyProcParameterList { $$ = $2; }
+    | { $$ = NULL; }
+    ;
+
+RubyProcParameterList
+    : Identifier RubyProcParameterList_ { $$ = CYNew CYFunctionParameter(CYNew CYDeclaration($1), $2); }
+    | { $$ = NULL; }
+    ;
+
+RubyProcParameters
+    : "|" RubyProcParameterList "|" { $$ = $2; }
+    | "||" { $$ = NULL; }
+    ;
+
+RubyProcParametersOpt
+    : RubyProcParameters
+    | { $$ = NULL; }
+    ;
+
+RubyProcExpression
+    : "{" RubyProcParametersOpt StatementListOpt "}" { $$ = CYNew CYRubyProc($2, $3); }
+    ;
+
+PrimaryExpression
+    : "{" LexPushInOff RubyProcParameters StatementListOpt "}" LexPopIn { $$ = CYNew CYRubyProc($3, $4); }
+    ;
+
+CallExpression
+    : CallExpression_ RubyProcExpression { $$ = CYNew CYRubyBlock($1, $2); }
     ;
 /* }}} */