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Unified Diff: src/scanner.h

Issue 7739020: Rename scanner.* to scanner-character-streams.* and scanner-base.* to scanner.* (Closed) Base URL: git://github.com/v8/v8.git@master
Patch Set: Created 9 years, 3 months ago
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Index: src/scanner.h
diff --git a/src/scanner.h b/src/scanner.h
deleted file mode 100644
index 6422ee8cab8ab71868b47f504d37e89fb3a47a4d..0000000000000000000000000000000000000000
--- a/src/scanner.h
+++ /dev/null
@@ -1,129 +0,0 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef V8_SCANNER_H_
-#define V8_SCANNER_H_
-
-#include "scanner-base.h"
-
-namespace v8 {
-namespace internal {
-
-// A buffered character stream based on a random access character
-// source (ReadBlock can be called with pos_ pointing to any position,
-// even positions before the current).
-class BufferedUC16CharacterStream: public UC16CharacterStream {
- public:
- BufferedUC16CharacterStream();
- virtual ~BufferedUC16CharacterStream();
-
- virtual void PushBack(uc32 character);
-
- protected:
- static const unsigned kBufferSize = 512;
- static const unsigned kPushBackStepSize = 16;
-
- virtual unsigned SlowSeekForward(unsigned delta);
- virtual bool ReadBlock();
- virtual void SlowPushBack(uc16 character);
-
- virtual unsigned BufferSeekForward(unsigned delta) = 0;
- virtual unsigned FillBuffer(unsigned position, unsigned length) = 0;
-
- const uc16* pushback_limit_;
- uc16 buffer_[kBufferSize];
-};
-
-
-// Generic string stream.
-class GenericStringUC16CharacterStream: public BufferedUC16CharacterStream {
- public:
- GenericStringUC16CharacterStream(Handle<String> data,
- unsigned start_position,
- unsigned end_position);
- virtual ~GenericStringUC16CharacterStream();
-
- protected:
- virtual unsigned BufferSeekForward(unsigned delta);
- virtual unsigned FillBuffer(unsigned position, unsigned length);
-
- Handle<String> string_;
- unsigned start_position_;
- unsigned length_;
-};
-
-
-// UC16 stream based on a literal UTF-8 string.
-class Utf8ToUC16CharacterStream: public BufferedUC16CharacterStream {
- public:
- Utf8ToUC16CharacterStream(const byte* data, unsigned length);
- virtual ~Utf8ToUC16CharacterStream();
-
- protected:
- virtual unsigned BufferSeekForward(unsigned delta);
- virtual unsigned FillBuffer(unsigned char_position, unsigned length);
- void SetRawPosition(unsigned char_position);
-
- const byte* raw_data_;
- unsigned raw_data_length_; // Measured in bytes, not characters.
- unsigned raw_data_pos_;
- // The character position of the character at raw_data[raw_data_pos_].
- // Not necessarily the same as pos_.
- unsigned raw_character_position_;
-};
-
-
-// UTF16 buffer to read characters from an external string.
-class ExternalTwoByteStringUC16CharacterStream: public UC16CharacterStream {
- public:
- ExternalTwoByteStringUC16CharacterStream(Handle<ExternalTwoByteString> data,
- int start_position,
- int end_position);
- virtual ~ExternalTwoByteStringUC16CharacterStream();
-
- virtual void PushBack(uc32 character) {
- ASSERT(buffer_cursor_ > raw_data_);
- buffer_cursor_--;
- pos_--;
- }
-
- protected:
- virtual unsigned SlowSeekForward(unsigned delta) {
- // Fast case always handles seeking.
- return 0;
- }
- virtual bool ReadBlock() {
- // Entire string is read at start.
- return false;
- }
- Handle<ExternalTwoByteString> source_;
- const uc16* raw_data_; // Pointer to the actual array of characters.
-};
-
-} } // namespace v8::internal
-
-#endif // V8_SCANNER_H_
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