Escape source name with '--trace-turbo'

Bug: https://bugs.chromium.org/p/v8/issues/detail?id=8441

Change-Id: I3b5f8c8f4439d0169f0cc5a91922ca961522f134
Bug: v8:8441
Reviewed-on: https://chromium-review.googlesource.com/c/1419078Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58910}

src/compiler/graph-visualizer.cc

@@ -62,6 +62,30 @@ std::ostream& operator<<(std::ostream& out, const NodeOriginAsJSON& asJSON) {
   return out;
 }
 
+class JSONEscaped {
+ public:
+  explicit JSONEscaped(const std::ostringstream& os) : str_(os.str()) {}
+
+  friend std::ostream& operator<<(std::ostream& os, const JSONEscaped& e) {
+    for (char c : e.str_) PipeCharacter(os, c);
+    return os;
+  }
+
+ private:
+  static std::ostream& PipeCharacter(std::ostream& os, char c) {
+    if (c == '"') return os << "\\\"";
+    if (c == '\\') return os << "\\\\";
+    if (c == '\b') return os << "\\b";
+    if (c == '\f') return os << "\\f";
+    if (c == '\n') return os << "\\n";
+    if (c == '\r') return os << "\\r";
+    if (c == '\t') return os << "\\t";
+    return os << c;
+  }
+
+  const std::string str_;
+};
+
 void JsonPrintFunctionSource(std::ostream& os, int source_id,
                              std::unique_ptr<char[]> function_name,
                              Handle<Script> script, Isolate* isolate,
@@ -78,7 +102,9 @@ void JsonPrintFunctionSource(std::ostream& os, int source_id,
     Object source_name = script->name();
     os << ", \"sourceName\": \"";
     if (source_name->IsString()) {
-      os << String::cast(source_name)->ToCString().get();
+      std::ostringstream escaped_name;
+      escaped_name << String::cast(source_name)->ToCString().get();
+      os << JSONEscaped(escaped_name);
     }
     os << "\"";
     {
@@ -239,30 +265,6 @@ static const char* SafeMnemonic(Node* node) {
   return node == nullptr ? "null" : node->op()->mnemonic();
 }
 
-class JSONEscaped {
- public:
-  explicit JSONEscaped(const std::ostringstream& os) : str_(os.str()) {}
-
-  friend std::ostream& operator<<(std::ostream& os, const JSONEscaped& e) {
-    for (char c : e.str_) PipeCharacter(os, c);
-    return os;
-  }
-
- private:
-  static std::ostream& PipeCharacter(std::ostream& os, char c) {
-    if (c == '"') return os << "\\\"";
-    if (c == '\\') return os << "\\\\";
-    if (c == '\b') return os << "\\b";
-    if (c == '\f') return os << "\\f";
-    if (c == '\n') return os << "\\n";
-    if (c == '\r') return os << "\\r";
-    if (c == '\t') return os << "\\t";
-    return os << c;
-  }
-
-  const std::string str_;
-};
-
 class JSONGraphNodeWriter {
  public:
   JSONGraphNodeWriter(std::ostream& os, Zone* zone, const Graph* graph,