More OStreamsUse OStreams more often.

src/codegen.cc

Index: src/codegen.cc
diff --git a/src/codegen.cc b/src/codegen.cc
index 244c227305f7a9801b13243a1933e7ae34fc125d..40b47960c4111e62d5ed333500ffc63ed04bd7f3 100644
--- a/src/codegen.cc
+++ b/src/codegen.cc
@@ -175,10 +175,11 @@ void CodeGenerator::PrintCode(Handle<Code> code, CompilationInfo* info) {
         code->kind() == Code::FUNCTION;
 
     CodeTracer::Scope tracing_scope(info->isolate()->GetCodeTracer());
+    OFStream os(tracing_scope.file());
     if (print_source) {
       Handle<Script> script = info->script();
       if (!script->IsUndefined() && !script->source()->IsUndefined()) {
-        PrintF(tracing_scope.file(), "--- Raw source ---\n");
+        os << "--- Raw source ---\n";
         ConsStringIteratorOp op;
         StringCharacterStream stream(String::cast(script->source()),
                                      &op,
@@ -189,37 +190,33 @@ void CodeGenerator::PrintCode(Handle<Code> code, CompilationInfo* info) {
             function->end_position() - function->start_position() + 1;
         for (int i = 0; i < source_len; i++) {
           if (stream.HasMore()) {
-            PrintF(tracing_scope.file(), "%c", stream.GetNext());
+            os.put(stream.GetNext());
           }
         }
-        PrintF(tracing_scope.file(), "\n\n");
+        os << "\n\n";
       }
     }
     if (info->IsOptimizing()) {
       if (FLAG_print_unopt_code) {
-        PrintF(tracing_scope.file(), "--- Unoptimized code ---\n");
+        os << "--- Unoptimized code ---\n";
         info->closure()->shared()->code()->Disassemble(
-            function->debug_name()->ToCString().get(), tracing_scope.file());
+            function->debug_name()->ToCString().get(), os);
       }
-      PrintF(tracing_scope.file(), "--- Optimized code ---\n");
-      PrintF(tracing_scope.file(),
-             "optimization_id = %d\n", info->optimization_id());
+      os << "--- Optimized code ---\n"
+         << "optimization_id = " << info->optimization_id() << "\n";
     } else {
-      PrintF(tracing_scope.file(), "--- Code ---\n");
+      os << "--- Code ---\n";
     }
     if (print_source) {
-      PrintF(tracing_scope.file(),
-             "source_position = %d\n", function->start_position());
+      os << "source_position = " << function->start_position() << "\n";
     }
     if (info->IsStub()) {
       CodeStub::Major major_key = info->code_stub()->MajorKey();
-      code->Disassemble(CodeStub::MajorName(major_key, false),
-                        tracing_scope.file());
+      code->Disassemble(CodeStub::MajorName(major_key, false), os);
     } else {
-      code->Disassemble(function->debug_name()->ToCString().get(),
-                        tracing_scope.file());
+      code->Disassemble(function->debug_name()->ToCString().get(), os);
     }
-    PrintF(tracing_scope.file(), "--- End code ---\n");
+    os << "--- End code ---\n";
   }
 #endif  // ENABLE_DISASSEMBLER
 }