v8::UnboundScript Class Reference

A compiled JavaScript script, not yet tied to a Context. More...

#include <v8.h>

Collaboration diagram for v8::UnboundScript:

Public Member Functions
Local< Script >	BindToCurrentContext ()
	Binds the script to the currently entered context. More...
int	GetId ()
Handle< Value >	GetScriptName ()
Handle< Value >	GetSourceURL ()
	Data read from magic sourceURL comments. More...
Handle< Value >	GetSourceMappingURL ()
	Data read from magic sourceMappingURL comments. More...
int	GetLineNumber (int code_pos)
	Returns zero based line number of the code_pos location in the script. More...

Static Public Attributes
static const int	kNoScriptId = 0

Detailed Description

A compiled JavaScript script, not yet tied to a Context.

Definition at line 952 of file v8.h.

Member Function Documentation

BindToCurrentContext()

Local< Script > v8::UnboundScript::BindToCurrentContext

(

)

Binds the script to the currently entered context.

Definition at line 1583 of file api.cc.

                                                  {
  i::Handle<i::HeapObject> obj =
      i::Handle<i::HeapObject>::cast(Utils::OpenHandle(this));
  i::Handle<i::SharedFunctionInfo>
      function_info(i::SharedFunctionInfo::cast(*obj), obj->GetIsolate());
  i::Handle<i::JSFunction> function =
      obj->GetIsolate()->factory()->NewFunctionFromSharedFunctionInfo(
          function_info, obj->GetIsolate()->global_context());
  return ToApiHandle<Script>(function);
}

References v8::internal::Handle< T >::cast(), and v8::Utils::OpenHandle().

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GetId()

int v8::UnboundScript::GetId

(

)

Definition at line 1595 of file api.cc.

                         {
  i::Handle<i::HeapObject> obj =
      i::Handle<i::HeapObject>::cast(Utils::OpenHandle(this));
  i::Isolate* isolate = obj->GetIsolate();
  ON_BAILOUT(isolate, "v8::UnboundScript::GetId()", return -1);
  LOG_API(isolate, "v8::UnboundScript::GetId");
  {
    i::HandleScope scope(isolate);
    i::Handle<i::SharedFunctionInfo> function_info(
        i::SharedFunctionInfo::cast(*obj));
    i::Handle<i::Script> script(i::Script::cast(function_info->script()));
    return script->id()->value();
  }
}

References v8::internal::Handle< T >::cast(), LOG_API, ON_BAILOUT, and v8::Utils::OpenHandle().

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GetLineNumber()

int v8::UnboundScript::GetLineNumber

(

int

code_pos

)

Returns zero based line number of the code_pos location in the script.

-1 will be returned if no information available.

Definition at line 1611 of file api.cc.

                                             {
  i::Handle<i::SharedFunctionInfo> obj =
      i::Handle<i::SharedFunctionInfo>::cast(Utils::OpenHandle(this));
  i::Isolate* isolate = obj->GetIsolate();
  ON_BAILOUT(isolate, "v8::UnboundScript::GetLineNumber()", return -1);
  LOG_API(isolate, "UnboundScript::GetLineNumber");
  if (obj->script()->IsScript()) {
    i::Handle<i::Script> script(i::Script::cast(obj->script()));
    return i::Script::GetLineNumber(script, code_pos);
  } else {
    return -1;
  }
}

References v8::internal::Handle< T >::cast(), v8::internal::Script::GetLineNumber(), LOG_API, ON_BAILOUT, and v8::Utils::OpenHandle().

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GetScriptName()

Handle< Value > v8::UnboundScript::GetScriptName

(

)

Definition at line 1626 of file api.cc.

                                           {
  i::Handle<i::SharedFunctionInfo> obj =
      i::Handle<i::SharedFunctionInfo>::cast(Utils::OpenHandle(this));
  i::Isolate* isolate = obj->GetIsolate();
  ON_BAILOUT(isolate, "v8::UnboundScript::GetName()",
             return Handle<String>());
  LOG_API(isolate, "UnboundScript::GetName");
  if (obj->script()->IsScript()) {
    i::Object* name = i::Script::cast(obj->script())->name();
    return Utils::ToLocal(i::Handle<i::Object>(name, isolate));
  } else {
    return Handle<String>();
  }
}

References v8::internal::Handle< T >::cast(), LOG_API, name, ON_BAILOUT, v8::Utils::OpenHandle(), and v8::Utils::ToLocal().

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GetSourceMappingURL()

Handle< Value > v8::UnboundScript::GetSourceMappingURL

(

)

Data read from magic sourceMappingURL comments.

Definition at line 1658 of file api.cc.

                                                 {
  i::Handle<i::SharedFunctionInfo> obj =
      i::Handle<i::SharedFunctionInfo>::cast(Utils::OpenHandle(this));
  i::Isolate* isolate = obj->GetIsolate();
  ON_BAILOUT(isolate, "v8::UnboundScript::GetSourceMappingURL()",
             return Handle<String>());
  LOG_API(isolate, "UnboundScript::GetSourceMappingURL");
  if (obj->script()->IsScript()) {
    i::Object* url = i::Script::cast(obj->script())->source_mapping_url();
    return Utils::ToLocal(i::Handle<i::Object>(url, isolate));
  } else {
    return Handle<String>();
  }
}

References v8::internal::Handle< T >::cast(), LOG_API, ON_BAILOUT, v8::Utils::OpenHandle(), and v8::Utils::ToLocal().

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GetSourceURL()

Handle< Value > v8::UnboundScript::GetSourceURL

(

)

Data read from magic sourceURL comments.

Definition at line 1642 of file api.cc.

                                          {
  i::Handle<i::SharedFunctionInfo> obj =
      i::Handle<i::SharedFunctionInfo>::cast(Utils::OpenHandle(this));
  i::Isolate* isolate = obj->GetIsolate();
  ON_BAILOUT(isolate, "v8::UnboundScript::GetSourceURL()",
             return Handle<String>());
  LOG_API(isolate, "UnboundScript::GetSourceURL");
  if (obj->script()->IsScript()) {
    i::Object* url = i::Script::cast(obj->script())->source_url();
    return Utils::ToLocal(i::Handle<i::Object>(url, isolate));
  } else {
    return Handle<String>();
  }
}

References v8::internal::Handle< T >::cast(), LOG_API, ON_BAILOUT, v8::Utils::OpenHandle(), and v8::Utils::ToLocal().

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Member Data Documentation

kNoScriptId

const int v8::UnboundScript::kNoScriptId = 0

static

Definition at line 977 of file v8.h.

Referenced by v8::internal::Heap::CreateInitialObjects(), and v8::Function::ScriptId().

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The documentation for this class was generated from the following files:

• /mnt/V8SourceCode/include/v8.h
• /mnt/V8SourceCode/src/api.cc