Runtime logging

src/codegen.cc

 // Copyright 2007-2008 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 145 matching lines @@
 #endif  // ENABLE_DISASSEMBLER
 
   if (!code.is_null()) {
     Counters::total_compiled_code_size.Increment(code->instruction_size());
   }
 
   return code;
 }
 
 
+bool CodeGenerator::ShouldGenerateLog(Expression* type) {
+  ASSERT(type != NULL);
+  if (!Logger::is_enabled()) return false;
+  Handle<String> name = Handle<String>::cast(type->AsLiteral()->handle());
+  if (FLAG_log_regexp) {
+    static Vector<const char> kRegexp = CStrVector("regexp");
+    if (name->IsEqualTo(kRegexp))
+      return true;
+  }
+  return false;
+}
+
+
 // Sets the function info on a function.
 // The start_position points to the first '(' character after the function name
 // in the full script source. When counting characters in the script source the
 // the first character is number 0 (not 1).
 void CodeGenerator::SetFunctionInfo(Handle<JSFunction> fun,
                                     int length,
                                     int function_token_position,
                                     int start_position,
                                     int end_position,
                                     bool is_expression,
@@ skipping 155 matching lines @@
      "_ArgumentsLength"},
     {&v8::internal::CodeGenerator::GenerateArgumentsAccess,
      "_Arguments"},
     {&v8::internal::CodeGenerator::GenerateValueOf,
      "_ValueOf"},
     {&v8::internal::CodeGenerator::GenerateSetValueOf,
      "_SetValueOf"},
     {&v8::internal::CodeGenerator::GenerateFastCharCodeAt,
      "_FastCharCodeAt"},
     {&v8::internal::CodeGenerator::GenerateObjectEquals,
-     "_ObjectEquals"}
+     "_ObjectEquals"},
+    {&v8::internal::CodeGenerator::GenerateLog,
+     "_Log"}
   };
   Handle<String> name = node->name();
   StringShape shape(*name);
   if (name->length(shape) > 0 && name->Get(shape, 0) == '_') {
     for (unsigned i = 0;
          i < sizeof(kInlineRuntimeLUT) / sizeof(InlineRuntimeLUT);
          i++) {
       const InlineRuntimeLUT* entry = kInlineRuntimeLUT + i;
       if (name->IsEqualTo(CStrVector(entry->name))) {
         ((*this).*(entry->method))(args);
@@ skipping 145 matching lines @@
 void ArgumentsAccessStub::Generate(MacroAssembler* masm) {
   switch (type_) {
     case READ_LENGTH: GenerateReadLength(masm); break;
     case READ_ELEMENT: GenerateReadElement(masm); break;
     case NEW_OBJECT: GenerateNewObject(masm); break;
   }
 }
 
 
 } }  // namespace v8::internal