Refactor code for determining line position in a source file....

src/compiler.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 286 matching lines @@
     Top::StackOverflow();
     return false;
   }
 
 #ifdef ENABLE_LOGGING_AND_PROFILING
   // Log the code generation. If source information is available include script
   // name and line number. Check explicit whether logging is enabled as finding
   // the line number is not for free.
   if (Logger::is_enabled()) {
     if (script->name()->IsString()) {
-      int lineNum = script->GetLineNumber(start_position);
-      if (lineNum > 0) {
-        lineNum += script->line_offset()->value() + 1;
+      int line_num = script->GetLineNumber(start_position);
+      if (line_num > 0) {
+        line_num += script->line_offset()->value() + 1;
       }
       LOG(CodeCreateEvent("LazyCompile", *code, *lit->name(),
-                          String::cast(script->name()), lineNum));
+                          String::cast(script->name()), line_num));
     } else {
       LOG(CodeCreateEvent("LazyCompile", *code, *lit->name()));
     }
   }
 #endif
 
   // Update the shared function info with the compiled code.
   shared->set_code(*code);
 
   // Set the expected number of properties for instances.
   SetExpectedNofPropertiesFromEstimate(shared, lit->expected_property_count());
 
   // Check the function has compiled code.
   ASSERT(shared->is_compiled());
   return true;
 }
 
 
 } }  // namespace v8::internal