Experimental scanner: Remove the re2c version for real.

src/lexer/experimental-scanner.cc

Index: src/lexer/experimental-scanner.cc
diff --git a/src/lexer/experimental-scanner.cc b/src/lexer/experimental-scanner.cc
deleted file mode 100644
index 0e797b2a11c30f2fcc492a78879d7fc95b5f30fb..0000000000000000000000000000000000000000
--- a/src/lexer/experimental-scanner.cc
+++ /dev/null
@@ -1,144 +0,0 @@
-// Copyright 2013 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.
-
-#include "experimental-scanner.h"
-
-#include "v8.h"
-
-#include "objects.h"
-#include "objects-inl.h"
-#include "spaces-inl.h"
-#include "isolate.h"
-#include "lexer.h"
-
-namespace v8 {
-namespace internal {
-
-
-const byte* ReadFile(const char* name, Isolate* isolate,
-                     int* size, int repeat) {
-  FILE* file = fopen(name, "rb");
-  *size = 0;
-  if (file == NULL) return NULL;
-
-  fseek(file, 0, SEEK_END);
-  int file_size = ftell(file);
-  rewind(file);
-
-  *size = file_size * repeat;
-
-  byte* chars = new byte[*size];
-  for (int i = 0; i < file_size;) {
-    int read = static_cast<int>(fread(&chars[i], 1, file_size - i, file));
-    i += read;
-  }
-  fclose(file);
-
-  for (int i = file_size; i < *size; i++) {
-    chars[i] = chars[i - file_size];
-  }
-
-  return chars;
-}
-
-
-ExperimentalScanner::ExperimentalScanner(const char* fname,
-                                         bool read_all_at_once,
-                                         Isolate* isolate,
-                                         int repeat)
-    : current_(0),
-      fetched_(0),
-      read_all_at_once_(read_all_at_once),
-      already_pushed_(false),
-      source_(0),
-      length_(0) {
-  CHECK(repeat == 1 || read_all_at_once);
-  file_ = fopen(fname, "rb");
-  scanner_ = new PushScanner(this, isolate->unicode_cache());
-  if (read_all_at_once_) {
-    source_ = ReadFile(fname, isolate, &length_, repeat);
-    token_.resize(length_);
-  } else {
-    token_.resize(BUFFER_SIZE);
-  }
-}
-
-
-ExperimentalScanner::~ExperimentalScanner() {
-  fclose(file_);
-  delete[] source_;
-}
-
-
-void ExperimentalScanner::FillTokens() {
-  current_ = 0;
-  fetched_ = 0;
-  if (read_all_at_once_) {
-    if (!already_pushed_) {
-      scanner_->push(source_, length_ + 1);
-      already_pushed_ = true;
-    } else {
-      scanner_->push(0, 0);
-    }
-  } else {
-    uint8_t chars[BUFFER_SIZE];
-    int n = static_cast<int>(fread(&chars, 1, BUFFER_SIZE, file_));
-    for (int i = n; i < BUFFER_SIZE; i++) chars[i] = 0;
-    scanner_->push(chars, BUFFER_SIZE);
-  }
-}
-
-
-Token::Value ExperimentalScanner::Next() {
-  while (current_ == fetched_)
-    FillTokens();
-  return token_[current_++].value;
-}
-
-
-Token::Value ExperimentalScanner::current_token() {
-  return token_[current_ - 1].value;
-}
-
-
-ExperimentalScanner::Location ExperimentalScanner::location() {
-  return Location(token_[current_ - 1].beg, token_[current_ - 1].end);
-}
-
-
-void ExperimentalScanner::Record(Token::Value token, int beg, int end) {
-  if (token == Token::EOS) end--;
-  if (fetched_ >= token_.size()) {
-    token_.resize(token_.size() * 2);
-  }
-  token_[fetched_].value = token;
-  token_[fetched_].beg = beg;
-  token_[fetched_].end = end;
-  fetched_++;
-}
-
-} }  // namespace v8::internal