Add source map support to tick processor.

Added a console parameter for source map to the tick processor.
The tickprocesspor reads in the source maps and uses it to output the original filename, line number and column in the profile.
Modified d8 to output column numbers into the log, since this is needed to do source mapping.

[email protected]

Review URL: https://codereview.chromium.org/22897021

Patch from Daniel Kurka <[email protected]>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16307 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Author: [email protected]

src/compiler.cc

@@ -1209,6 +1209,8 @@ void Compiler::RecordFunctionCompilation(Logger::LogEventsAndTags tag,
     if (*code == info->isolate()->builtins()->builtin(Builtins::kLazyCompile))
       return;
     int line_num = GetScriptLineNumber(script, shared->start_position()) + 1;
+    int column_num =
+        GetScriptColumnNumber(script, shared->start_position()) + 1;
     USE(line_num);
     if (script->name()->IsString()) {
       PROFILE(info->isolate(),
@@ -1217,15 +1219,17 @@ void Compiler::RecordFunctionCompilation(Logger::LogEventsAndTags tag,
                               *shared,
                               info,
                               String::cast(script->name()),
-                              line_num));
+                              line_num,
+                              column_num));
     } else {
       PROFILE(info->isolate(),
               CodeCreateEvent(Logger::ToNativeByScript(tag, *script),
                               *code,
                               *shared,
                               info,
                               info->isolate()->heap()->empty_string(),
-                              line_num));
+                              line_num,
+                              column_num));
     }
   }
 

src/log.cc

@@ -1233,7 +1233,7 @@ void Logger::CodeCreateEvent(LogEventsAndTags tag,
                              Code* code,
                              SharedFunctionInfo* shared,
                              CompilationInfo* info,
-                             Name* source, int line) {
+                             Name* source, int line, int column) {
   PROFILER_LOG(CodeCreateEvent(tag, code, shared, info, source, line));
 
   if (!is_logging_code_events()) return;
@@ -1252,7 +1252,7 @@ void Logger::CodeCreateEvent(LogEventsAndTags tag,
   } else {
     msg.AppendSymbolName(Symbol::cast(source));
   }
-  msg.Append(":%d\",", line);
+  msg.Append(":%d:%d\",", line, column);
   msg.AppendAddress(shared->address());
   msg.Append(",%s", ComputeMarker(code));
   msg.Append('\n');
@@ -1712,14 +1712,16 @@ void Logger::LogExistingFunction(Handle<SharedFunctionInfo> shared,
   if (shared->script()->IsScript()) {
     Handle<Script> script(Script::cast(shared->script()));
     int line_num = GetScriptLineNumber(script, shared->start_position()) + 1;
+    int column_num =
+        GetScriptColumnNumber(script, shared->start_position()) + 1;
     if (script->name()->IsString()) {
       Handle<String> script_name(String::cast(script->name()));
       if (line_num > 0) {
         PROFILE(isolate_,
                 CodeCreateEvent(
                     Logger::ToNativeByScript(Logger::LAZY_COMPILE_TAG, *script),
                     *code, *shared, NULL,
-                    *script_name, line_num));
+                    *script_name, line_num, column_num));
       } else {
         // Can't distinguish eval and script here, so always use Script.
         PROFILE(isolate_,
@@ -1732,7 +1734,7 @@ void Logger::LogExistingFunction(Handle<SharedFunctionInfo> shared,
               CodeCreateEvent(
                   Logger::ToNativeByScript(Logger::LAZY_COMPILE_TAG, *script),
                   *code, *shared, NULL,
-                  isolate_->heap()->empty_string(), line_num));
+                  isolate_->heap()->empty_string(), line_num, column_num));
     }
   } else if (shared->IsApiFunction()) {
     // API function.

src/log.h

@@ -248,7 +248,7 @@ class Logger {
                        Code* code,
                        SharedFunctionInfo* shared,
                        CompilationInfo* info,
-                       Name* source, int line);
+                       Name* source, int line, int column);
   void CodeCreateEvent(LogEventsAndTags tag, Code* code, int args_count);
   void CodeMovingGCEvent();
   // Emits a code create event for a RegExp.