Ryan Macnak
d418dde65b
Add missing safepoint transitions. Issue #27092 Likely contributes to Issue #27010 dart2js hello Peak RSS at first Observatory visit -> Peak RSS after visiting timeline (with endless recorder) Before 215M -> 321M After 182M -> 233M R=johnmccutchan@google.com Review URL: https://codereview.chromium.org/2254543006 .
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef PLATFORM_TEXT_BUFFER_H_
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#define PLATFORM_TEXT_BUFFER_H_
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#include "vm/allocation.h"
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#include "vm/globals.h"
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namespace dart {
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// TextBuffer maintains a dynamic character buffer with a printf-style way to
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// append text.
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class TextBuffer : ValueObject {
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public:
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explicit TextBuffer(intptr_t buf_size);
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~TextBuffer();
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intptr_t Printf(const char* format, ...) PRINTF_ATTRIBUTE(2, 3);
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void AddChar(char ch);
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void EscapeAndAddUTF16CodeUnit(uint16_t cu);
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void EscapeAndAddCodeUnit(uint32_t cu);
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void AddString(const char* s);
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void AddEscapedString(const char* s);
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void AddRaw(const uint8_t* buffer,
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intptr_t buffer_length);
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void Clear();
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char* buf() { return buf_; }
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intptr_t length() { return msg_len_; }
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// Steal ownership of the buffer pointer.
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// NOTE: TextBuffer is empty afterwards.
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char* Steal();
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private:
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void EnsureCapacity(intptr_t len);
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char* buf_;
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intptr_t buf_size_;
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intptr_t msg_len_;
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};
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} // namespace dart
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#endif // PLATFORM_TEXT_BUFFER_H_
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