Allow redirecting disassembly and deoptimization traces into a file.

src/codegen.cc

Index: src/codegen.cc
diff --git a/src/codegen.cc b/src/codegen.cc
index 7b2f81ba8ab0e3ea85595fd18ec6d3664904e71e..9d79617ea0fdcba51215d403c7a0074b50b6531e 100644
--- a/src/codegen.cc
+++ b/src/codegen.cc
@@ -136,10 +136,12 @@ void CodeGenerator::PrintCode(Handle<Code> code, CompilationInfo* info) {
     FunctionLiteral* function = info->function();
     bool print_source = code->kind() == Code::OPTIMIZED_FUNCTION ||
         code->kind() == Code::FUNCTION;
+
+    CodeTracer::Scope tracing_scope(info->isolate()->GetCodeTracer());
     if (print_source) {
       Handle<Script> script = info->script();
       if (!script->IsUndefined() && !script->source()->IsUndefined()) {
-        PrintF("--- Raw source ---\n");
+        PrintF(tracing_scope.file(), "--- Raw source ---\n");
         ConsStringIteratorOp op;
         StringCharacterStream stream(String::cast(script->source()),
                                      &op,
@@ -149,31 +151,36 @@ void CodeGenerator::PrintCode(Handle<Code> code, CompilationInfo* info) {
         int source_len =
             function->end_position() - function->start_position() + 1;
         for (int i = 0; i < source_len; i++) {
-          if (stream.HasMore()) PrintF("%c", stream.GetNext());
+          if (stream.HasMore()) {
+            PrintF(tracing_scope.file(), "%c", stream.GetNext());
+          }
         }
-        PrintF("\n\n");
+        PrintF(tracing_scope.file(), "\n\n");
       }
     }
     if (info->IsOptimizing()) {
       if (FLAG_print_unopt_code) {
-        PrintF("--- Unoptimized code ---\n");
+        PrintF(tracing_scope.file(), "--- Unoptimized code ---\n");
         info->closure()->shared()->code()->Disassemble(
-            *function->debug_name()->ToCString());
+            *function->debug_name()->ToCString(), tracing_scope.file());
       }
-      PrintF("--- Optimized code ---\n");
+      PrintF(tracing_scope.file(), "--- Optimized code ---\n");
     } else {
-      PrintF("--- Code ---\n");
+      PrintF(tracing_scope.file(), "--- Code ---\n");
     }
     if (print_source) {
-      PrintF("source_position = %d\n", function->start_position());
+      PrintF(tracing_scope.file(),
+             "source_position = %d\n", function->start_position());
     }
     if (info->IsStub()) {
       CodeStub::Major major_key = info->code_stub()->MajorKey();
-      code->Disassemble(CodeStub::MajorName(major_key, false));
+      code->Disassemble(CodeStub::MajorName(major_key, false),
+                        tracing_scope.file());
     } else {
-      code->Disassemble(*function->debug_name()->ToCString());
+      code->Disassemble(*function->debug_name()->ToCString(),
+                        tracing_scope.file());
     }
-    PrintF("--- End code ---\n");
+    PrintF(tracing_scope.file(), "--- End code ---\n");
   }
 #endif  // ENABLE_DISASSEMBLER
 }