Add more debugging information to scripts compiled through eval

src/accessors.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 271 matching lines @@
 
 
 const AccessorDescriptor Accessors::ScriptType = {
   ScriptGetType,
   IllegalSetter,
   0
 };
 
 
 //
+// Accessors::ScriptCompilationType
+//
+
+
+Object* Accessors::ScriptGetCompilationType(Object* object, void*) {
+  Object* script = JSValue::cast(object)->value();
+  return Script::cast(script)->compilation_type();
+}
+
+
+const AccessorDescriptor Accessors::ScriptCompilationType = {
+  ScriptGetCompilationType,
+  IllegalSetter,
+  0
+};
+
+
+//
 // Accessors::ScriptGetLineEnds
 //
 
 
 Object* Accessors::ScriptGetLineEnds(Object* object, void*) {
   HandleScope scope;
   Handle<Script> script(Script::cast(JSValue::cast(object)->value()));
   InitScriptLineEnds(script);
   return script->line_ends();
 }
 
 
 const AccessorDescriptor Accessors::ScriptLineEnds = {
   ScriptGetLineEnds,
   IllegalSetter,
   0
 };
 
 
 //
 // Accessors::ScriptGetContextData
 //
 
 
 Object* Accessors::ScriptGetContextData(Object* object, void*) {
-  HandleScope scope;
-  Handle<Script> script(Script::cast(JSValue::cast(object)->value()));
-  return script->context_data();
+  Object* script = JSValue::cast(object)->value();
+  return Script::cast(script)->context_data();
 }
 
 
 const AccessorDescriptor Accessors::ScriptContextData = {
   ScriptGetContextData,
   IllegalSetter,
   0
 };
 
 
 //
+// Accessors::ScriptGetEvalFromFunction
+//
+
+
+Object* Accessors::ScriptGetEvalFromFunction(Object* object, void*) {
+  Object* script = JSValue::cast(object)->value();
+  return Script::cast(script)->eval_from_function();
+}
+
+
+const AccessorDescriptor Accessors::ScriptEvalFromFunction = {
+  ScriptGetEvalFromFunction,
+  IllegalSetter,
+  0
+};
+
+
+//
+// Accessors::ScriptGetEvalFromPosition
+//
+
+
+Object* Accessors::ScriptGetEvalFromPosition(Object* object, void*) {
+  HandleScope scope;
+  Handle<Script> script(Script::cast(JSValue::cast(object)->value()));
+
+  // If this is not a script compiled through eval there is no eval position.
+  int compilation_type = Smi::cast(script->compilation_type())->value();
+  if (compilation_type != Script::COMPILATION_TYPE_EVAL) {
+    return Heap::undefined_value();
+  }
+
+  // Get the function from where eval was called and find the source position
+  // from the instruction offset.
+  Handle<Code> code(JSFunction::cast(script->eval_from_function())->code());
+  return Smi::FromInt(code->SourcePosition(code->instruction_start() +
+                      script->eval_from_instructions_offset()->value()));
+}
+
+
+const AccessorDescriptor Accessors::ScriptEvalFromPosition = {
+  ScriptGetEvalFromPosition,
+  IllegalSetter,
+  0
+};
+
+
+//
 // Accessors::FunctionPrototype
 //
 
 
 Object* Accessors::FunctionGetPrototype(Object* object, void*) {
   bool found_it = false;
   JSFunction* function = FindInPrototypeChain<JSFunction>(object, &found_it);
   if (!found_it) return Heap::undefined_value();
   if (!function->has_prototype()) {
     Object* prototype = Heap::AllocateFunctionPrototype(function);
@@ skipping 236 matching lines @@
 }
 
 
 const AccessorDescriptor Accessors::ObjectPrototype = {
   ObjectGetPrototype,
   ObjectSetPrototype,
   0
 };
 
 } }  // namespace v8::internal