Introduce a new intermediate AST node for encapsulating the...

src/full-codegen.cc

 // Copyright 2009 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 197 matching lines @@
   Visit(expr->value());
 }
 
 
 void BreakableStatementChecker::VisitThrow(Throw* expr) {
   // Throw is breakable if the expression is.
   Visit(expr->exception());
 }
 
 
+void BreakableStatementChecker::VisitIncrementOperation(
+    IncrementOperation* expr) {
+  UNREACHABLE();
+}
+
+
 void BreakableStatementChecker::VisitProperty(Property* expr) {
   // Property load is breakable.
   is_breakable_ = true;
 }
 
 
 void BreakableStatementChecker::VisitCall(Call* expr) {
   // Function calls both through IC and call stub are breakable.
   is_breakable_ = true;
 }
@@ skipping 779 matching lines @@
 
 
 void FullCodeGenerator::VisitThrow(Throw* expr) {
   Comment cmnt(masm_, "[ Throw");
   VisitForValue(expr->exception(), kStack);
   __ CallRuntime(Runtime::kThrow, 1);
   // Never returns here.
 }
 
 
+void FullCodeGenerator::VisitIncrementOperation(IncrementOperation* expr) {
+  UNREACHABLE();
+}
+
+
 int FullCodeGenerator::TryFinally::Exit(int stack_depth) {
   // The macros used here must preserve the result register.
   __ Drop(stack_depth);
   __ PopTryHandler();
   __ Call(finally_entry_);
   return 0;
 }
 
 
 int FullCodeGenerator::TryCatch::Exit(int stack_depth) {
   // The macros used here must preserve the result register.
   __ Drop(stack_depth);
   __ PopTryHandler();
   return 0;
 }
 
 
 void FullCodeGenerator::EmitRegExpCloneResult(ZoneList<Expression*>* args) {
   ASSERT(args->length() == 1);
   VisitForValue(args->at(0), kStack);
   __ CallRuntime(Runtime::kRegExpCloneResult, 1);
   Apply(context_, result_register());
 }
 
 #undef __
 
 
 } }  // namespace v8::internal