Templatize AstVisitor with its subclass

src/compiler/ast-graph-builder.cc

 // 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.
 
 #include "src/compiler/ast-graph-builder.h"
 
 #include "src/ast/scopes.h"
 #include "src/compiler.h"
 #include "src/compiler/ast-loop-assignment-analyzer.h"
 #include "src/compiler/control-builders.h"
@@ skipping 1094 matching lines @@
 void AstGraphBuilder::VisitForValues(ZoneList<Expression*>* exprs) {
   for (int i = 0; i < exprs->length(); ++i) {
     VisitForValue(exprs->at(i));
   }
 }
 
 
 void AstGraphBuilder::VisitForValue(Expression* expr) {
   AstValueContext for_value(this);
   if (!CheckStackOverflow()) {
-    expr->Accept(this);
+    AstVisitor<AstGraphBuilder>::Visit(expr);
   } else {
     ast_context()->ProduceValue(expr, jsgraph()->UndefinedConstant());
   }
 }
 
 
 void AstGraphBuilder::VisitForEffect(Expression* expr) {
   AstEffectContext for_effect(this);
   if (!CheckStackOverflow()) {
-    expr->Accept(this);
+    AstVisitor<AstGraphBuilder>::Visit(expr);
   } else {
     ast_context()->ProduceValue(expr, jsgraph()->UndefinedConstant());
   }
 }
 
 
 void AstGraphBuilder::VisitForTest(Expression* expr) {
   AstTestContext for_condition(this, expr->test_id());
   if (!CheckStackOverflow()) {
-    expr->Accept(this);
+    AstVisitor<AstGraphBuilder>::Visit(expr);
   } else {
     ast_context()->ProduceValue(expr, jsgraph()->UndefinedConstant());
   }
 }
 
 
 void AstGraphBuilder::Visit(Expression* expr) {
   // Reuses enclosing AstContext.
   if (!CheckStackOverflow()) {
-    expr->Accept(this);
+    AstVisitor<AstGraphBuilder>::Visit(expr);
   } else {
     ast_context()->ProduceValue(expr, jsgraph()->UndefinedConstant());
   }
 }
 
 
 void AstGraphBuilder::VisitVariableDeclaration(VariableDeclaration* decl) {
   Variable* variable = decl->proxy()->var();
   VariableMode mode = decl->mode();
   bool hole_init = mode == CONST || mode == LET;
@@ skipping 1819 matching lines @@
 
 
 void AstGraphBuilder::VisitCaseClause(CaseClause* expr) {
   // Handled entirely in VisitSwitch.
   UNREACHABLE();
 }
 
 
 void AstGraphBuilder::VisitDeclarations(ZoneList<Declaration*>* declarations) {
   DCHECK(globals()->empty());
-  AstVisitor::VisitDeclarations(declarations);
+  AstVisitor<AstGraphBuilder>::VisitDeclarations(declarations);
   if (globals()->empty()) return;
   int array_index = 0;
   Handle<TypeFeedbackVector> feedback_vector(
       info()->closure()->feedback_vector());
   Handle<FixedArray> data = isolate()->factory()->NewFixedArray(
       static_cast<int>(globals()->size()), TENURED);
   for (Handle<Object> obj : *globals()) data->set(array_index++, *obj);
   int encoded_flags = info()->GetDeclareGlobalsFlags();
   Node* flags = jsgraph()->Constant(encoded_flags);
   Node* pairs = jsgraph()->Constant(data);
@@ skipping 1420 matching lines @@
     // Phi does not exist yet, introduce one.
     value = NewPhi(inputs, value, control);
     value->ReplaceInput(inputs - 1, other);
   }
   return value;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8