Reduce duplicate code in full-codegen across platforms.

src/full-codegen.cc

 // 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.
 
 #include "src/v8.h"
 
 #include "src/ast.h"
 #include "src/ast-numbering.h"
 #include "src/code-factory.h"
 #include "src/codegen.h"
@@ skipping 256 matching lines @@
 
 bool FullCodeGenerator::ShouldInlineSmiCase(Token::Value op) {
   // Inline smi case inside loops, but not division and modulo which
   // are too complicated and take up too much space.
   if (op == Token::DIV ||op == Token::MOD) return false;
   if (FLAG_always_inline_smi_code) return true;
   return loop_depth_ > 0;
 }
 
 
+void FullCodeGenerator::EffectContext::Plug(Variable* var) const {
+  DCHECK(var->IsStackAllocated() || var->IsContextSlot());
+}
+
+
+void FullCodeGenerator::AccumulatorValueContext::Plug(Variable* var) const {
+  DCHECK(var->IsStackAllocated() || var->IsContextSlot());
+  codegen()->GetVar(result_register(), var);
+}
+
+
+void FullCodeGenerator::TestContext::Plug(Variable* var) const {
+  DCHECK(var->IsStackAllocated() || var->IsContextSlot());
+  // For simplicity we always test the accumulator register.
+  codegen()->GetVar(result_register(), var);
+  codegen()->PrepareForBailoutBeforeSplit(condition(), false, NULL, NULL);
+  codegen()->DoTest(this);
+}
+
+
 void FullCodeGenerator::EffectContext::Plug(Register reg) const {
 }
 
 
 void FullCodeGenerator::AccumulatorValueContext::Plug(Register reg) const {
   __ Move(result_register(), reg);
 }
 
 
 void FullCodeGenerator::StackValueContext::Plug(Register reg) const {
   __ Push(reg);
 }
 
 
 void FullCodeGenerator::TestContext::Plug(Register reg) const {
   // For simplicity we always test the accumulator register.
   __ Move(result_register(), reg);
   codegen()->PrepareForBailoutBeforeSplit(condition(), false, NULL, NULL);
   codegen()->DoTest(this);
 }
 
 
+void FullCodeGenerator::EffectContext::Plug(bool flag) const {}
+
+
 void FullCodeGenerator::EffectContext::PlugTOS() const {
   __ Drop(1);
 }
 
 
 void FullCodeGenerator::AccumulatorValueContext::PlugTOS() const {
   __ Pop(result_register());
 }
 
 
@@ skipping 78 matching lines @@
        isolate()->factory()->NewFixedArray(globals_->length(), TENURED);
     for (int i = 0; i < globals_->length(); ++i)
       array->set(i, *globals_->at(i));
     DeclareGlobals(array);
   }
 
   globals_ = saved_globals;
 }
 
 
+void FullCodeGenerator::VisitImportDeclaration(ImportDeclaration* declaration) {
+  VariableProxy* proxy = declaration->proxy();
+  Variable* variable = proxy->var();
+  switch (variable->location()) {
+    case VariableLocation::GLOBAL:
+    case VariableLocation::UNALLOCATED:
+      // TODO(rossberg)
+      break;
+
+    case VariableLocation::CONTEXT: {
+      Comment cmnt(masm_, "[ ImportDeclaration");
+      EmitDebugCheckDeclarationContext(variable);
+      // TODO(rossberg)
+      break;
+    }
+
+    case VariableLocation::PARAMETER:
+    case VariableLocation::LOCAL:
+    case VariableLocation::LOOKUP:
+      UNREACHABLE();
+  }
+}
+
+
+void FullCodeGenerator::VisitExportDeclaration(ExportDeclaration* declaration) {
+  // TODO(rossberg)
+}
+
+
+void FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) {
+  Comment cmnt(masm_, "[ VariableProxy");
+  EmitVariableLoad(expr);
+}
+
+
 int FullCodeGenerator::DeclareGlobalsFlags() {
   DCHECK(DeclareGlobalsLanguageMode::is_valid(language_mode()));
   return DeclareGlobalsEvalFlag::encode(is_eval()) |
          DeclareGlobalsNativeFlag::encode(is_native()) |
          DeclareGlobalsLanguageMode::encode(language_mode());
 }
 
 
+void FullCodeGenerator::EmitSubString(CallRuntime* expr) {
+  // Load the arguments on the stack and call the stub.
+  SubStringStub stub(isolate());
+  ZoneList<Expression*>* args = expr->arguments();
+  DCHECK(args->length() == 3);
+  VisitForStackValue(args->at(0));
+  VisitForStackValue(args->at(1));
+  VisitForStackValue(args->at(2));
+  __ CallStub(&stub);
+  context()->Plug(result_register());
+}
+
+
+void FullCodeGenerator::EmitRegExpExec(CallRuntime* expr) {
+  // Load the arguments on the stack and call the stub.
+  RegExpExecStub stub(isolate());
+  ZoneList<Expression*>* args = expr->arguments();
+  DCHECK(args->length() == 4);
+  VisitForStackValue(args->at(0));
+  VisitForStackValue(args->at(1));
+  VisitForStackValue(args->at(2));
+  VisitForStackValue(args->at(3));
+  __ CallStub(&stub);
+  context()->Plug(result_register());
+}
+
+
+void FullCodeGenerator::EmitMathPow(CallRuntime* expr) {
+  // Load the arguments on the stack and call the runtime function.
+  ZoneList<Expression*>* args = expr->arguments();
+  DCHECK(args->length() == 2);
+  VisitForStackValue(args->at(0));
+  VisitForStackValue(args->at(1));
+
+  MathPowStub stub(isolate(), MathPowStub::ON_STACK);
+  __ CallStub(&stub);
+  context()->Plug(result_register());
+}
+
+
+void FullCodeGenerator::EmitStringCompare(CallRuntime* expr) {
+  ZoneList<Expression*>* args = expr->arguments();
+  DCHECK_EQ(2, args->length());
+
+  VisitForStackValue(args->at(0));
+  VisitForStackValue(args->at(1));
+
+  StringCompareStub stub(isolate());
+  __ CallStub(&stub);
+  context()->Plug(result_register());
+}
+
+
 bool RecordStatementPosition(MacroAssembler* masm, int pos) {
   if (pos == RelocInfo::kNoPosition) return false;
   masm->positions_recorder()->RecordStatementPosition(pos);
   masm->positions_recorder()->RecordPosition(pos);
   return masm->positions_recorder()->WriteRecordedPositions();
 }
 
 
 bool RecordPosition(MacroAssembler* masm, int pos) {
   if (pos == RelocInfo::kNoPosition) return false;
@@ skipping 1060 matching lines @@
   codegen_->PrepareForBailoutForId(exit_id_, NO_REGISTERS);
   codegen_->scope_ = saved_scope_;
 }
 
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8