dart-sdk/runtime/vm/zone_text_buffer.h
Ryan Macnak b15b98bcc3 Reapply "Use CodeSourceMap for stack traces (still JIT only)."
- Fix missing null termination in initialization of ZoneTextBuffer.
 - Merge with John's async stack trace changes.

R=fschneider@google.com

Review-Url: https://codereview.chromium.org/2686813006 .
2017-02-09 18:03:41 -08:00

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// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#ifndef RUNTIME_VM_ZONE_TEXT_BUFFER_H_
#define RUNTIME_VM_ZONE_TEXT_BUFFER_H_
#include "vm/allocation.h"
#include "vm/globals.h"
namespace dart {
class Zone;
// TextBuffer maintains a dynamic character buffer with a printf-style way to
// append text.
class ZoneTextBuffer : ValueObject {
public:
ZoneTextBuffer(Zone* zone, intptr_t initial_capacity);
~ZoneTextBuffer() {}
intptr_t Printf(const char* format, ...) PRINTF_ATTRIBUTE(2, 3);
void AddString(const char* s);
char* buffer() { return buffer_; }
intptr_t length() { return length_; }
private:
void EnsureCapacity(intptr_t len);
Zone* zone_;
char* buffer_;
intptr_t length_;
intptr_t capacity_;
};
} // namespace dart
#endif // RUNTIME_VM_ZONE_TEXT_BUFFER_H_