First simple implementation of class literals in TurboFan.

src/compiler/ast-graph-builder.h

 // Copyright 2014 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_COMPILER_AST_GRAPH_BUILDER_H_
 #define V8_COMPILER_AST_GRAPH_BUILDER_H_
 
 #include "src/v8.h"
 
 #include "src/ast.h"
@@ skipping 54 matching lines @@
 
   //
   // The following build methods all generate graph fragments and return one
   // resulting node. The operand stack height remains the same, variables and
   // other dependencies tracked by the environment might be mutated though.
   //
 
   // Builder to create a receiver check for sloppy mode.
   Node* BuildPatchReceiverToGlobalProxy(Node* receiver);
 
-  // Builder to create a local function context.
+  // Builders to create local function and block contexts.
   Node* BuildLocalFunctionContext(Node* context, Node* closure);
+  Node* BuildLocalBlockContext(Scope* scope);
 
   // Builder to create an arguments object if it is used.
   Node* BuildArgumentsObject(Variable* arguments);
 
   // Builders for variable load and assignment.
   Node* BuildVariableAssignment(Variable* var, Node* value, Token::Value op,
                                 BailoutId bailout_id,
                                 OutputFrameStateCombine state_combine =
                                     OutputFrameStateCombine::Ignore());
   Node* BuildVariableDelete(Variable* var, BailoutId bailout_id,
@@ skipping 80 matching lines @@
 
   // Visit statements.
   void VisitIfNotNull(Statement* stmt);
 
   // Visit expressions.
   void Visit(Expression* expr);
   void VisitForTest(Expression* expr);
   void VisitForEffect(Expression* expr);
   void VisitForValue(Expression* expr);
   void VisitForValueOrNull(Expression* expr);
+  void VisitForValueOrTheHole(Expression* expr);
   void VisitForValues(ZoneList<Expression*>* exprs);
 
   // Common for all IterationStatement bodies.
   void VisitIterationBody(IterationStatement* stmt, LoopBuilder* loop, int);
 
   // Dispatched from VisitCallRuntime.
   void VisitCallJSRuntime(CallRuntime* expr);
 
   // Dispatched from VisitUnaryOperation.
   void VisitDelete(UnaryOperation* expr);
   void VisitVoid(UnaryOperation* expr);
   void VisitTypeof(UnaryOperation* expr);
   void VisitNot(UnaryOperation* expr);
 
   // Dispatched from VisitBinaryOperation.
   void VisitComma(BinaryOperation* expr);
   void VisitLogicalExpression(BinaryOperation* expr);
   void VisitArithmeticExpression(BinaryOperation* expr);
 
   // Dispatched from VisitForInStatement.
   void VisitForInAssignment(Expression* expr, Node* value);
 
+  // Dispatched from VisitClassLiteral.
+  void VisitClassLiteralContents(ClassLiteral* expr);
+
   // Builds deoptimization for a given node.
   void PrepareFrameState(
       Node* node, BailoutId ast_id,
       OutputFrameStateCombine combine = OutputFrameStateCombine::Ignore());
 
   BitVector* GetVariablesAssignedInLoop(IterationStatement* stmt);
 
   DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
   DISALLOW_COPY_AND_ASSIGN(AstGraphBuilder);
 };
@@ skipping 239 matching lines @@
 
 Scope* AstGraphBuilder::current_scope() const {
   return execution_context_->scope();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_AST_GRAPH_BUILDER_H_