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

src/handles.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 13 matching lines @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 
 #include "accessors.h"
 #include "api.h"
 #include "arguments.h"
 #include "bootstrapper.h"
+#include "codegen.h"
 #include "compiler.h"
 #include "debug.h"
 #include "execution.h"
 #include "global-handles.h"
 #include "natives.h"
 #include "runtime.h"
 #include "stub-cache.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 621 matching lines @@
   }
 }
 
 
 bool EnsureCompiled(Handle<SharedFunctionInfo> shared,
                     ClearExceptionFlag flag) {
   return shared->is_compiled() || CompileLazyShared(shared, flag);
 }
 
 
-static bool CompileLazyHelper(Handle<SharedFunctionInfo> shared,
-                              Handle<Object> receiver,
-                              ClearExceptionFlag flag,
-                              int loop_nesting) {
+static bool CompileLazyHelper(CompilationInfo* info,
+                              ClearExceptionFlag flag) {
   // Compile the source information to a code object.
-  ASSERT(!shared->is_compiled());
-  bool result = Compiler::CompileLazy(shared, receiver, loop_nesting);
+  ASSERT(!info->shared_info()->is_compiled());
+  bool result = Compiler::CompileLazy(info);
   ASSERT(result != Top::has_pending_exception());
   if (!result && flag == CLEAR_EXCEPTION) Top::clear_pending_exception();
   return result;
 }
 
 
 bool CompileLazyShared(Handle<SharedFunctionInfo> shared,
                        ClearExceptionFlag flag) {
-  return CompileLazyHelper(shared, Handle<Object>::null(), flag, 0);
+  CompilationInfo info(shared, Handle<Object>::null(), 0);
+  return CompileLazyHelper(&info, flag);
 }
 
 
 bool CompileLazy(Handle<JSFunction> function,
                  Handle<Object> receiver,
                  ClearExceptionFlag flag) {
-  // Compile the source information to a code object.
   Handle<SharedFunctionInfo> shared(function->shared());
-  bool result = CompileLazyHelper(shared, receiver, flag, 0);
+  CompilationInfo info(shared, receiver, 0);
+  bool result = CompileLazyHelper(&info, flag);
   LOG(FunctionCreateEvent(*function));
   return result;
 }
 
 
 bool CompileLazyInLoop(Handle<JSFunction> function,
                        Handle<Object> receiver,
                        ClearExceptionFlag flag) {
-  // Compile the source information to a code object.
   Handle<SharedFunctionInfo> shared(function->shared());
-  bool result = CompileLazyHelper(shared, receiver, flag, 1);
+  CompilationInfo info(shared, receiver, 1);
+  bool result = CompileLazyHelper(&info, flag);
   LOG(FunctionCreateEvent(*function));
   return result;
 }
 
 
 OptimizedObjectForAddingMultipleProperties::
 OptimizedObjectForAddingMultipleProperties(Handle<JSObject> object,
                                            int expected_additional_properties,
                                            bool condition) {
   object_ = object;
@@ skipping 103 matching lines @@
   Handle<Map> new_map = Factory::CopyMapDropTransitions(old_map);
   obj->set_map(*new_map);
   new_map->set_needs_loading(true);
   // Store the lazy loading info in the constructor field.  We'll
   // reestablish the constructor from the fixed array after loading.
   new_map->set_constructor(*arr);
   ASSERT(!obj->IsLoaded());
 }
 
 } }  // namespace v8::internal