Class syntax parsing

src/parser.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_PARSER_H_
 #define V8_PARSER_H_
 
 #include "src/allocation.h"
 #include "src/ast.h"
 #include "src/compiler.h"  // For CachedDataMode
@@ skipping 345 matching lines @@
     typedef v8::internal::Zone Zone;
 
     typedef v8::internal::AstProperties AstProperties;
     typedef Vector<VariableProxy*> ParameterIdentifierVector;
 
     // Return types for traversing functions.
     typedef const AstRawString* Identifier;
     typedef v8::internal::Expression* Expression;
     typedef Yield* YieldExpression;
     typedef v8::internal::FunctionLiteral* FunctionLiteral;
+    typedef v8::internal::ClassLiteral* ClassLiteral;
     typedef v8::internal::Literal* Literal;
     typedef ObjectLiteral::Property* ObjectLiteralProperty;
     typedef ZoneList<v8::internal::Expression*>* ExpressionList;
     typedef ZoneList<ObjectLiteral::Property*>* PropertyList;
     typedef ZoneList<v8::internal::Statement*>* StatementList;
 
     // For constructing objects returned by the traversing functions.
     typedef AstNodeFactory<AstConstructionVisitor> Factory;
   };
 
@@ skipping 18 matching lines @@
 
   // Helper functions for recursive descent.
   bool IsEvalOrArguments(const AstRawString* identifier) const;
   V8_INLINE bool IsFutureStrictReserved(const AstRawString* identifier) const;
 
   // Returns true if the expression is of type "this.foo".
   static bool IsThisProperty(Expression* expression);
 
   static bool IsIdentifier(Expression* expression);
 
+  bool IsPrototype(const AstRawString* identifier) const;
+
+  bool IsConstructor(const AstRawString* identifier) const;
+
   static const AstRawString* AsIdentifier(Expression* expression) {
     DCHECK(IsIdentifier(expression));
     return expression->AsVariableProxy()->raw_name();
   }
 
   static bool IsBoilerplateProperty(ObjectLiteral::Property* property) {
     return ObjectLiteral::IsBoilerplateProperty(property);
   }
 
   static bool IsArrayIndex(const AstRawString* string, uint32_t* index) {
@@ skipping 97 matching lines @@
     return NULL;
   }
   static Expression* EmptyExpression() {
     return NULL;
   }
   static Expression* EmptyArrowParamList() { return NULL; }
   static Literal* EmptyLiteral() {
     return NULL;
   }
   static ObjectLiteralProperty* EmptyObjectLiteralProperty() { return NULL; }
+  static FunctionLiteral* EmptyFunctionLiteral() { return NULL; }
+  static ClassLiteral* EmptyClassLiteral() { return NULL; }
 
   // Used in error return values.
   static ZoneList<Expression*>* NullExpressionList() {
     return NULL;
   }
 
   // Non-NULL empty string.
   V8_INLINE const AstRawString* EmptyIdentifierString();
 
   // Odd-ball literal creators.
@@ skipping 167 matching lines @@
   Module* ParseModulePath(bool* ok);
   Module* ParseModuleVariable(bool* ok);
   Module* ParseModuleUrl(bool* ok);
   Module* ParseModuleSpecifier(bool* ok);
   Block* ParseImportDeclaration(bool* ok);
   Statement* ParseExportDeclaration(bool* ok);
   Statement* ParseBlockElement(ZoneList<const AstRawString*>* labels, bool* ok);
   Statement* ParseStatement(ZoneList<const AstRawString*>* labels, bool* ok);
   Statement* ParseFunctionDeclaration(ZoneList<const AstRawString*>* names,
                                       bool* ok);
+  Statement* ParseClassDeclaration(ZoneList<const AstRawString*>* names,
+                                   bool* ok);
   Statement* ParseNativeDeclaration(bool* ok);
   Block* ParseBlock(ZoneList<const AstRawString*>* labels, bool* ok);
   Block* ParseVariableStatement(VariableDeclarationContext var_context,
                                 ZoneList<const AstRawString*>* names,
                                 bool* ok);
   Block* ParseVariableDeclarations(VariableDeclarationContext var_context,
                                    VariableDeclarationProperties* decl_props,
                                    ZoneList<const AstRawString*>* names,
                                    const AstRawString** out,
                                    bool* ok);
@@ skipping 185 matching lines @@
  private:
   static const int kLiteralTypeSlot = 0;
   static const int kElementsSlot = 1;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_