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