Introduce a stack-allocated structure to encapsulate compile-time information.

src/ia32/codegen-ia32.cc

 // Copyright 2010 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 108 matching lines @@
       in_spilled_code_(false) {
 }
 
 
 // Calling conventions:
 // ebp: caller's frame pointer
 // esp: stack pointer
 // edi: called JS function
 // esi: callee's context
 
-void CodeGenerator::GenCode(FunctionLiteral* fun) {
+void CodeGenerator::GenCode(FunctionLiteral* fun, CompilationInfo* info) {
   // Record the position for debugging purposes.
   CodeForFunctionPosition(fun);
 
   ZoneList<Statement*>* body = fun->body();
 
   // Initialize state.
   ASSERT(scope_ == NULL);
   scope_ = fun->scope();
   ASSERT(allocator_ == NULL);
   RegisterAllocator register_allocator(this);
   allocator_ = &register_allocator;
   ASSERT(frame_ == NULL);
   frame_ = new VirtualFrame();
   set_in_spilled_code(false);
 
   // Adjust for function-level loop nesting.
-  loop_nesting_ += fun->loop_nesting();
+  loop_nesting_ += info->loop_nesting();
 
   JumpTarget::set_compiling_deferred_code(false);
 
 #ifdef DEBUG
   if (strlen(FLAG_stop_at) > 0 &&
       fun->name()->IsEqualTo(CStrVector(FLAG_stop_at))) {
     frame_->SpillAll();
     __ int3();
   }
 #endif
@@ skipping 157 matching lines @@
         // compile an artificial return statement just above, and (b) there
         // are return statements in the body but (c) they are all shadowed.
         Result return_value;
         function_return_.Bind(&return_value);
         GenerateReturnSequence(&return_value);
       }
     }
   }
 
   // Adjust for function-level loop nesting.
-  loop_nesting_ -= fun->loop_nesting();
+  loop_nesting_ -= info->loop_nesting();
 
   // Code generation state must be reset.
   ASSERT(state_ == NULL);
   ASSERT(loop_nesting() == 0);
   ASSERT(!function_return_is_shadowed_);
   function_return_.Unuse();
   DeleteFrame();
 
   // Process any deferred code using the register allocator.
   if (!HasStackOverflow()) {
@@ skipping 9758 matching lines @@
 
   // Call the runtime; it returns -1 (less), 0 (equal), or 1 (greater)
   // tagged as a small integer.
   __ bind(&runtime);
   __ TailCallRuntime(ExternalReference(Runtime::kStringCompare), 2, 1);
 }
 
 #undef __
 
 } }  // namespace v8::internal