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113 lines
4.1 KiB
113 lines
4.1 KiB
// Copyright 2006-2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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 "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,
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int start_pos,
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int end_pos)
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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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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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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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};
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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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// Report a message (w/o JS heap allocation).
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static void ReportMessage(const char* msg);
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// Returns a message object for the API to use.
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static Handle<Object> MakeMessageObject(const char* type,
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MessageLocation* loc,
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Vector< Handle<Object> > args,
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Handle<String> stack_trace,
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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(MessageLocation* loc, Handle<Object> message);
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static void DefaultMessageReport(const MessageLocation* loc,
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Handle<Object> message_obj);
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static Handle<String> GetMessage(Handle<Object> data);
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static SmartPointer<char> GetLocalizedMessage(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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