Split AST Declaration class, in preparation for new module declaration forms.

src/hydrogen.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * 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
@@ skipping 2316 matching lines @@
     // not replayed by the Lithium translation.
     HEnvironment* initial_env = environment()->CopyWithoutHistory();
     HBasicBlock* body_entry = CreateBasicBlock(initial_env);
     current_block()->Goto(body_entry);
     body_entry->SetJoinId(AstNode::kFunctionEntryId);
     set_current_block(body_entry);
 
     // Handle implicit declaration of the function name in named function
     // expressions before other declarations.
     if (scope->is_function_scope() && scope->function() != NULL) {
-      HandleDeclaration(scope->function(), CONST, NULL);
+      HandleVariableDeclaration(scope->function(), CONST, NULL);
     }
     VisitDeclarations(scope->declarations());
     AddSimulate(AstNode::kDeclarationsId);
 
     HValue* context = environment()->LookupContext();
     AddInstruction(
         new(zone()) HStackCheck(context, HStackCheck::kFunctionEntry));
 
     VisitStatements(info()->function()->body());
     if (HasStackOverflow()) return NULL;
@@ skipping 4075 matching lines @@
 void HGraphBuilder::VisitThisFunction(ThisFunction* expr) {
   ASSERT(!HasStackOverflow());
   ASSERT(current_block() != NULL);
   ASSERT(current_block()->HasPredecessor());
   HThisFunction* self = new(zone()) HThisFunction(
       function_state()->compilation_info()->closure());
   return ast_context()->ReturnInstruction(self, expr->id());
 }
 
 
-void HGraphBuilder::VisitDeclaration(Declaration* decl) {
-  HandleDeclaration(decl->proxy(), decl->mode(), decl->fun());
+void HGraphBuilder::VisitVariableDeclaration(VariableDeclaration* decl) {
+  HandleVariableDeclaration(decl->proxy(), decl->mode(), decl->fun());
 }
 
 
-void HGraphBuilder::HandleDeclaration(VariableProxy* proxy,
-                                      VariableMode mode,
-                                      FunctionLiteral* function) {
+void HGraphBuilder::HandleVariableDeclaration(VariableProxy* proxy,
+                                              VariableMode mode,
+                                              FunctionLiteral* function) {
   Variable* var = proxy->var();
   bool binding_needs_init =
       (mode == CONST || mode == CONST_HARMONY || mode == LET);
   switch (var->location()) {
     case Variable::UNALLOCATED:
       return Bailout("unsupported global declaration");
     case Variable::PARAMETER:
     case Variable::LOCAL:
     case Variable::CONTEXT:
       if (binding_needs_init || function != NULL) {
@@ skipping 1064 matching lines @@
     }
   }
 
 #ifdef DEBUG
   if (graph_ != NULL) graph_->Verify(false);  // No full verify.
   if (allocator_ != NULL) allocator_->Verify();
 #endif
 }
 
 } }  // namespace v8::internal