Intermediate changes

1 files changed, 0 insertions, 208 deletions

diff --git a/contrib/libs/antlr4_cpp_runtime/src/UnbufferedCharStream.cpp b/contrib/libs/antlr4_cpp_runtime/src/UnbufferedCharStream.cpp
deleted file mode 100644
index bbfb8848fd4..00000000000
--- a/contrib/libs/antlr4_cpp_runtime/src/UnbufferedCharStream.cpp
+++ /dev/null
@@ -1,208 +0,0 @@
-/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
- * Use of this file is governed by the BSD 3-clause license that
- * can be found in the LICENSE.txt file in the project root.
- */
-
-#include "misc/Interval.h"
-#include "Exceptions.h"
-#include "support/Utf8.h"
-
-#include "UnbufferedCharStream.h"
-
-using namespace antlrcpp;
-using namespace antlr4;
-using namespace antlr4::misc;
-
-UnbufferedCharStream::UnbufferedCharStream(std::wistream &input)
-    : _p(0), _numMarkers(0), _lastChar(0), _lastCharBufferStart(0), _currentCharIndex(0), _input(input) {
-  // The vector's size is what used to be n in Java code.
-  fill(1); // prime
-}
-
-void UnbufferedCharStream::consume() {
-  if (LA(1) == EOF) {
-    throw IllegalStateException("cannot consume EOF");
-  }
-
-  // buf always has at least data[p==0] in this method due to ctor
-  _lastChar = _data[_p]; // track last char for LA(-1)
-
-  if (_p == _data.size() - 1 && _numMarkers == 0) {
-    size_t capacity = _data.capacity();
-    _data.clear();
-    _data.reserve(capacity);
-
-    _p = 0;
-    _lastCharBufferStart = _lastChar;
-  } else {
-    _p++;
-  }
-
-  _currentCharIndex++;
-  sync(1);
-}
-
-void UnbufferedCharStream::sync(size_t want) {
-  if (_p + want <= _data.size()) // Already enough data loaded?
-    return;
-
-  fill(_p + want - _data.size());
-}
-
-size_t UnbufferedCharStream::fill(size_t n) {
-  for (size_t i = 0; i < n; i++) {
-    if (_data.size() > 0 && _data.back() == 0xFFFF) {
-      return i;
-    }
-
-    try {
-      char32_t c = nextChar();
-      add(c);
-#if defined(_MSC_FULL_VER) && _MSC_FULL_VER < 190023026
-    } catch (IOException &ioe) {
-      // throw_with_nested is not available before VS 2015.
-      throw ioe;
-#else
-    } catch (IOException & /*ioe*/) {
-      std::throw_with_nested(RuntimeException());
-#endif
-    }
-  }
-
-  return n;
-}
-
-char32_t UnbufferedCharStream::nextChar()  {
-  return _input.get();
-}
-
-void UnbufferedCharStream::add(char32_t c) {
-  _data += c;
-}
-
-size_t UnbufferedCharStream::LA(ssize_t i) {
-  if (i == -1) { // special case
-    return _lastChar;
-  }
-
-  // We can look back only as many chars as we have buffered.
-  ssize_t index = static_cast<ssize_t>(_p) + i - 1;
-  if (index < 0) {
-    throw IndexOutOfBoundsException();
-  }
-
-  if (i > 0) {
-    sync(static_cast<size_t>(i)); // No need to sync if we look back.
-  }
-  if (static_cast<size_t>(index) >= _data.size()) {
-    return EOF;
-  }
-
-  if (_data[static_cast<size_t>(index)] == std::char_traits<wchar_t>::eof()) {
-    return EOF;
-  }
-
-  return _data[static_cast<size_t>(index)];
-}
-
-ssize_t UnbufferedCharStream::mark() {
-  if (_numMarkers == 0) {
-    _lastCharBufferStart = _lastChar;
-  }
-
-  ssize_t mark = -static_cast<ssize_t>(_numMarkers) - 1;
-  _numMarkers++;
-  return mark;
-}
-
-void UnbufferedCharStream::release(ssize_t marker) {
-  ssize_t expectedMark = -static_cast<ssize_t>(_numMarkers);
-  if (marker != expectedMark) {
-    throw IllegalStateException("release() called with an invalid marker.");
-  }
-
-  _numMarkers--;
-  if (_numMarkers == 0 && _p > 0) {
-    _data.erase(0, _p);
-    _p = 0;
-    _lastCharBufferStart = _lastChar;
-  }
-}
-
-size_t UnbufferedCharStream::index() {
-  return _currentCharIndex;
-}
-
-void UnbufferedCharStream::seek(size_t index) {
-  if (index == _currentCharIndex) {
-    return;
-  }
-
-  if (index > _currentCharIndex) {
-    sync(index - _currentCharIndex);
-    index = std::min(index, getBufferStartIndex() + _data.size() - 1);
-  }
-
-  // index == to bufferStartIndex should set p to 0
-  ssize_t i = static_cast<ssize_t>(index) - static_cast<ssize_t>(getBufferStartIndex());
-  if (i < 0) {
-    throw IllegalArgumentException(std::string("cannot seek to negative index ") + std::to_string(index));
-  } else if (i >= static_cast<ssize_t>(_data.size())) {
-    throw UnsupportedOperationException("Seek to index outside buffer: " + std::to_string(index) +
-                                        " not in " + std::to_string(getBufferStartIndex()) + ".." +
-                                        std::to_string(getBufferStartIndex() + _data.size()));
-  }
-
-  _p = static_cast<size_t>(i);
-  _currentCharIndex = index;
-  if (_p == 0) {
-    _lastChar = _lastCharBufferStart;
-  } else {
-    _lastChar = _data[_p - 1];
-  }
-}
-
-size_t UnbufferedCharStream::size() {
-  throw UnsupportedOperationException("Unbuffered stream cannot know its size");
-}
-
-std::string UnbufferedCharStream::getSourceName() const {
-  if (name.empty()) {
-    return UNKNOWN_SOURCE_NAME;
-  }
-
-  return name;
-}
-
-std::string UnbufferedCharStream::getText(const misc::Interval &interval) {
-  if (interval.a < 0 || interval.b < interval.a - 1) {
-    throw IllegalArgumentException("invalid interval");
-  }
-
-  size_t bufferStartIndex = getBufferStartIndex();
-  if (!_data.empty() && _data.back() == 0xFFFF) {
-    if (interval.a + interval.length() > bufferStartIndex + _data.size()) {
-      throw IllegalArgumentException("the interval extends past the end of the stream");
-    }
-  }
-
-  if (interval.a < static_cast<ssize_t>(bufferStartIndex) || interval.b >= ssize_t(bufferStartIndex + _data.size())) {
-    throw UnsupportedOperationException("interval " + interval.toString() + " outside buffer: " +
-      std::to_string(bufferStartIndex) + ".." + std::to_string(bufferStartIndex + _data.size() - 1));
-  }
-  // convert from absolute to local index
-  size_t i = interval.a - bufferStartIndex;
-  auto maybeUtf8 = Utf8::strictEncode(std::u32string_view(_data).substr(i, interval.length()));
-  if (!maybeUtf8.has_value()) {
-    throw IllegalArgumentException("Unbuffered stream contains invalid Unicode code points");
-  }
-  return std::move(maybeUtf8).value();
-}
-
-std::string UnbufferedCharStream::toString() const {
-  throw UnsupportedOperationException("Unbuffered stream cannot be materialized to a string");
-}
-
-size_t UnbufferedCharStream::getBufferStartIndex() const {
-  return _currentCharIndex - _p;
-}