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// Copyright 2006-2008 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// The infrastructure used for (localized) message reporting in V8.
//
// Note: there's a big unresolved issue about ownership of the data
// structures used by this framework.
#ifndef V8_MESSAGES_H_
#define V8_MESSAGES_H_
#include "handles-inl.h"
// Forward declaration of MessageLocation.
namespace v8 {
namespace internal {
class MessageLocation;
} } // namespace v8::internal
class V8Message {
public:
V8Message(char* type,
v8::internal::Handle<v8::internal::JSArray> args,
const v8::internal::MessageLocation* loc) :
type_(type), args_(args), loc_(loc) { }
char* type() const { return type_; }
v8::internal::Handle<v8::internal::JSArray> args() const { return args_; }
const v8::internal::MessageLocation* loc() const { return loc_; }
private:
char* type_;
v8::internal::Handle<v8::internal::JSArray> const args_;
const v8::internal::MessageLocation* loc_;
};
namespace v8 {
namespace internal {
struct Language;
class SourceInfo;
class MessageLocation {
public:
MessageLocation(Handle<Script> script,
int start_pos,
int end_pos)
: script_(script),
start_pos_(start_pos),
end_pos_(end_pos) { }
MessageLocation() : start_pos_(-1), end_pos_(-1) { }
Handle<Script> script() const { return script_; }
int start_pos() const { return start_pos_; }
int end_pos() const { return end_pos_; }
private:
Handle<Script> script_;
int start_pos_;
int end_pos_;
};
// A message handler is a convenience interface for accessing the list
// of message listeners registered in an environment
class MessageHandler {
public:
// Returns a message object for the API to use.
static Handle<JSMessageObject> MakeMessageObject(
Isolate* isolate,
const char* type,
MessageLocation* loc,
Vector< Handle<Object> > args,
Handle<JSArray> stack_frames);
// Report a formatted message (needs JS allocation).
static void ReportMessage(Isolate* isolate,
MessageLocation* loc,
Handle<Object> message);
static void DefaultMessageReport(Isolate* isolate,
const MessageLocation* loc,
Handle<Object> message_obj);
static Handle<String> GetMessage(Isolate* isolate, Handle<Object> data);
static SmartArrayPointer<char> GetLocalizedMessage(Isolate* isolate,
Handle<Object> data);
};
} } // namespace v8::internal
#endif // V8_MESSAGES_H_
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