Remove obsolete preparser binary and tests.

src/preparser-api.cc

Index: src/preparser-api.cc
diff --git a/src/preparser-api.cc b/src/preparser-api.cc
deleted file mode 100644
index 462dfe2290fb562171eda39a7aeb96bd601c3543..0000000000000000000000000000000000000000
--- a/src/preparser-api.cc
+++ /dev/null
@@ -1,196 +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.
-
-#ifdef _MSC_VER
-#define V8_WIN32_LEAN_AND_MEAN
-#include "win32-headers.h"
-#endif
-
-#include "../include/v8-preparser.h"
-
-#include "globals.h"
-#include "checks.h"
-#include "allocation.h"
-#include "utils.h"
-#include "list.h"
-#include "hashmap.h"
-#include "preparse-data-format.h"
-#include "preparse-data.h"
-#include "preparser.h"
-
-namespace v8 {
-namespace internal {
-
-// UTF16Buffer based on a v8::UnicodeInputStream.
-class InputStreamUtf16Buffer : public Utf16CharacterStream {
- public:
-  /* The InputStreamUtf16Buffer maintains an internal buffer
-   * that is filled in chunks from the Utf16CharacterStream.
-   * It also maintains unlimited pushback capability, but optimized
-   * for small pushbacks.
-   * The pushback_buffer_ pointer points to the limit of pushbacks
-   * in the current buffer. There is room for a few pushback'ed chars before
-   * the buffer containing the most recently read chunk. If this is overflowed,
-   * an external buffer is allocated/reused to hold further pushbacks, and
-   * pushback_buffer_ and buffer_cursor_/buffer_end_ now points to the
-   * new buffer. When this buffer is read to the end again, the cursor is
-   * switched back to the internal buffer
-   */
-  explicit InputStreamUtf16Buffer(v8::UnicodeInputStream* stream)
-      : Utf16CharacterStream(),
-        stream_(stream),
-        pushback_buffer_(buffer_),
-        pushback_buffer_end_cache_(NULL),
-        pushback_buffer_backing_(NULL),
-        pushback_buffer_backing_size_(0) {
-    buffer_cursor_ = buffer_end_ = buffer_ + kPushBackSize;
-  }
-
-  virtual ~InputStreamUtf16Buffer() {
-    if (pushback_buffer_backing_ != NULL) {
-      DeleteArray(pushback_buffer_backing_);
-    }
-  }
-
-  virtual void PushBack(uc32 ch) {
-    ASSERT(pos_ > 0);
-    if (ch == kEndOfInput) {
-      pos_--;
-      return;
-    }
-    if (buffer_cursor_ <= pushback_buffer_) {
-      // No more room in the current buffer to do pushbacks.
-      if (pushback_buffer_end_cache_ == NULL) {
-        // We have overflowed the pushback space at the beginning of buffer_.
-        // Switch to using a separate allocated pushback buffer.
-        if (pushback_buffer_backing_ == NULL) {
-          // Allocate a buffer the first time we need it.
-          pushback_buffer_backing_ = NewArray<uc16>(kPushBackSize);
-          pushback_buffer_backing_size_ = kPushBackSize;
-        }
-        pushback_buffer_ = pushback_buffer_backing_;
-        pushback_buffer_end_cache_ = buffer_end_;
-        buffer_end_ = pushback_buffer_backing_ + pushback_buffer_backing_size_;
-        buffer_cursor_ = buffer_end_ - 1;
-      } else {
-        // Hit the bottom of the allocated pushback buffer.
-        // Double the buffer and continue.
-        uc16* new_buffer = NewArray<uc16>(pushback_buffer_backing_size_ * 2);
-        OS::MemCopy(new_buffer + pushback_buffer_backing_size_,
-                    pushback_buffer_backing_,
-                    pushback_buffer_backing_size_);
-        DeleteArray(pushback_buffer_backing_);
-        buffer_cursor_ = new_buffer + pushback_buffer_backing_size_;
-        pushback_buffer_backing_ = pushback_buffer_ = new_buffer;
-        buffer_end_ = pushback_buffer_backing_ + pushback_buffer_backing_size_;
-      }
-    }
-    pushback_buffer_[buffer_cursor_ - pushback_buffer_- 1] =
-        static_cast<uc16>(ch);
-    pos_--;
-  }
-
- protected:
-  virtual bool ReadBlock() {
-    if (pushback_buffer_end_cache_ != NULL) {
-      buffer_cursor_ = buffer_;
-      buffer_end_ = pushback_buffer_end_cache_;
-      pushback_buffer_end_cache_ = NULL;
-      return buffer_end_ > buffer_cursor_;
-    }
-    // Copy the top of the buffer into the pushback area.
-    int32_t value;
-    uc16* buffer_start = buffer_ + kPushBackSize;
-    buffer_cursor_ = buffer_end_ = buffer_start;
-    while ((value = stream_->Next()) >= 0) {
-      if (value >
-          static_cast<int32_t>(unibrow::Utf16::kMaxNonSurrogateCharCode)) {
-        buffer_start[buffer_end_++ - buffer_start] =
-            unibrow::Utf16::LeadSurrogate(value);
-        buffer_start[buffer_end_++ - buffer_start] =
-            unibrow::Utf16::TrailSurrogate(value);
-      } else {
-        // buffer_end_ is a const pointer, but buffer_ is writable.
-        buffer_start[buffer_end_++ - buffer_start] = static_cast<uc16>(value);
-      }
-      // Stop one before the end of the buffer in case we get a surrogate pair.
-      if (buffer_end_ <= buffer_ + 1 + kPushBackSize + kBufferSize) break;
-    }
-    return buffer_end_ > buffer_start;
-  }
-
-  virtual unsigned SlowSeekForward(unsigned pos) {
-    // Seeking in the input is not used by preparsing.
-    // It's only used by the real parser based on preparser data.
-    UNIMPLEMENTED();
-    return 0;
-  }
-
- private:
-  static const unsigned kBufferSize = 512;
-  static const unsigned kPushBackSize = 16;
-  v8::UnicodeInputStream* const stream_;
-  // Buffer holding first kPushBackSize characters of pushback buffer,
-  // then kBufferSize chars of read-ahead.
-  // The pushback buffer is only used if pushing back characters past
-  // the start of a block.
-  uc16 buffer_[kPushBackSize + kBufferSize];
-  // Limit of pushbacks before new allocation is necessary.
-  uc16* pushback_buffer_;
-  // Only if that pushback buffer at the start of buffer_ isn't sufficient
-  // is the following used.
-  const uc16* pushback_buffer_end_cache_;
-  uc16* pushback_buffer_backing_;
-  unsigned pushback_buffer_backing_size_;
-};
-
-}  // namespace internal.
-
-
-UnicodeInputStream::~UnicodeInputStream() { }
-
-
-PreParserData Preparse(UnicodeInputStream* input, size_t max_stack) {
-  internal::InputStreamUtf16Buffer buffer(input);
-  uintptr_t stack_limit = reinterpret_cast<uintptr_t>(&buffer) - max_stack;
-  internal::UnicodeCache unicode_cache;
-  internal::Scanner scanner(&unicode_cache);
-  scanner.Initialize(&buffer);
-  internal::CompleteParserRecorder recorder;
-  preparser::PreParser preparser(&scanner, &recorder, stack_limit);
-  preparser.set_allow_lazy(true);
-  preparser::PreParser::PreParseResult result = preparser.PreParseProgram();
-  if (result == preparser::PreParser::kPreParseStackOverflow) {
-    return PreParserData::StackOverflow();
-  }
-  internal::Vector<unsigned> pre_data = recorder.ExtractData();
-  size_t size = pre_data.length() * sizeof(pre_data[0]);
-  unsigned char* data = reinterpret_cast<unsigned char*>(pre_data.start());
-  return PreParserData(size, data);
-}
-
-}  // namespace v8.