Reland of Include file names in trace_turbo output

src/compiler/graph-visualizer.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/graph-visualizer.h"
 
 #include <sstream>
 #include <string>
 
 #include "src/code-stubs.h"
@@ skipping 18 matching lines @@
     CompilationInfo* info, const char* phase, const char* suffix) {
   EmbeddedVector<char, 256> filename(0);
   base::SmartArrayPointer<char> debug_name = info->GetDebugName();
   if (strlen(debug_name.get()) > 0) {
     SNPrintF(filename, "turbo-%s", debug_name.get());
   } else if (info->has_shared_info()) {
     SNPrintF(filename, "turbo-%p", static_cast<void*>(info));
   } else {
     SNPrintF(filename, "turbo-none-%s", phase);
   }
+  EmbeddedVector<char, 256> source_file(0);
+  bool source_available = false;
+  if (FLAG_trace_file_names && info->parse_info()) {
+    Object* source_name = info->script()->name();
+    if (source_name->IsString()) {
+      String* str = String::cast(source_name);
+      if (str->length() > 0) {
+        SNPrintF(source_file, "%s", str->ToCString().get());
+        std::replace(source_file.start(),
+                     source_file.start() + source_file.length(), '/', '_');
+        source_available = true;
+      }
+    }
+  }
   std::replace(filename.start(), filename.start() + filename.length(), ' ',
                '_');
 
   EmbeddedVector<char, 256> full_filename;
-  if (phase == nullptr) {
+  if (phase == nullptr && !source_available) {
     SNPrintF(full_filename, "%s.%s", filename.start(), suffix);
+  } else if (phase != nullptr && !source_available) {
+    SNPrintF(full_filename, "%s-%s.%s", filename.start(), phase, suffix);
+  } else if (phase == nullptr && source_available) {
+    SNPrintF(full_filename, "%s_%s.%s", filename.start(), source_file.start(),
+             suffix);
   } else {
-    SNPrintF(full_filename, "%s-%s.%s", filename.start(), phase, suffix);
+    SNPrintF(full_filename, "%s_%s-%s.%s", filename.start(),
+             source_file.start(), phase, suffix);
   }
 
   char* buffer = new char[full_filename.length() + 1];
   memcpy(buffer, full_filename.start(), full_filename.length());
   buffer[full_filename.length()] = '\0';
   return base::SmartArrayPointer<const char>(buffer);
 }
 
 
 static int SafeId(Node* node) { return node == nullptr ? -1 : node->id(); }
@@ skipping 612 matching lines @@
         os << "]";
       }
       os << std::endl;
     }
   }
   return os;
 }
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8