Intermediate changes

1 files changed, 0 insertions, 414 deletions

diff --git a/contrib/libs/antlr4_cpp_runtime/src/BufferedTokenStream.cpp b/contrib/libs/antlr4_cpp_runtime/src/BufferedTokenStream.cpp
deleted file mode 100644
index 4eaff2c852e..00000000000
--- a/contrib/libs/antlr4_cpp_runtime/src/BufferedTokenStream.cpp
+++ /dev/null
@@ -1,414 +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 "WritableToken.h"
-#include "Lexer.h"
-#include "RuleContext.h"
-#include "misc/Interval.h"
-#include "Exceptions.h"
-#include "support/CPPUtils.h"
-
-#include "BufferedTokenStream.h"
-
-using namespace antlr4;
-using namespace antlrcpp;
-
-BufferedTokenStream::BufferedTokenStream(TokenSource *tokenSource) : _tokenSource(tokenSource){
-  InitializeInstanceFields();
-}
-
-TokenSource* BufferedTokenStream::getTokenSource() const {
-  return _tokenSource;
-}
-
-size_t BufferedTokenStream::index() {
-  return _p;
-}
-
-ssize_t BufferedTokenStream::mark() {
-  return 0;
-}
-
-void BufferedTokenStream::release(ssize_t /*marker*/) {
-  // no resources to release
-}
-
-void BufferedTokenStream::reset() {
-  seek(0);
-}
-
-void BufferedTokenStream::seek(size_t index) {
-  lazyInit();
-  _p = adjustSeekIndex(index);
-}
-
-size_t BufferedTokenStream::size() {
-  return _tokens.size();
-}
-
-void BufferedTokenStream::consume() {
-  bool skipEofCheck = false;
-  if (!_needSetup) {
-    if (_fetchedEOF) {
-      // the last token in tokens is EOF. skip check if p indexes any
-      // fetched token except the last.
-      skipEofCheck = _p < _tokens.size() - 1;
-    } else {
-      // no EOF token in tokens. skip check if p indexes a fetched token.
-      skipEofCheck = _p < _tokens.size();
-    }
-  } else {
-    // not yet initialized
-    skipEofCheck = false;
-  }
-
-  if (!skipEofCheck && LA(1) == Token::EOF) {
-    throw IllegalStateException("cannot consume EOF");
-  }
-
-  if (sync(_p + 1)) {
-    _p = adjustSeekIndex(_p + 1);
-  }
-}
-
-bool BufferedTokenStream::sync(size_t i) {
-  if (i + 1 < _tokens.size())
-    return true;
-  size_t n = i - _tokens.size() + 1; // how many more elements we need?
-
-  if (n > 0) {
-    size_t fetched = fetch(n);
-    return fetched >= n;
-  }
-
-  return true;
-}
-
-size_t BufferedTokenStream::fetch(size_t n) {
-  if (_fetchedEOF) {
-    return 0;
-  }
-
-  size_t i = 0;
-  while (i < n) {
-    std::unique_ptr<Token> t(_tokenSource->nextToken());
-
-    if (is<WritableToken *>(t.get())) {
-      (static_cast<WritableToken *>(t.get()))->setTokenIndex(_tokens.size());
-    }
-
-    _tokens.push_back(std::move(t));
-    ++i;
-
-    if (_tokens.back()->getType() == Token::EOF) {
-      _fetchedEOF = true;
-      break;
-    }
-  }
-
-  return i;
-}
-
-Token* BufferedTokenStream::get(size_t i) const {
-  if (i >= _tokens.size()) {
-    throw IndexOutOfBoundsException(std::string("token index ") +
-                                    std::to_string(i) +
-                                    std::string(" out of range 0..") +
-                                    std::to_string(_tokens.size() - 1));
-  }
-  return _tokens[i].get();
-}
-
-std::vector<Token *> BufferedTokenStream::get(size_t start, size_t stop) {
-  std::vector<Token *> subset;
-
-  lazyInit();
-
-  if (_tokens.empty()) {
-    return subset;
-  }
-
-  if (stop >= _tokens.size()) {
-    stop = _tokens.size() - 1;
-  }
-  for (size_t i = start; i <= stop; i++) {
-    Token *t = _tokens[i].get();
-    if (t->getType() == Token::EOF) {
-      break;
-    }
-    subset.push_back(t);
-  }
-  return subset;
-}
-
-size_t BufferedTokenStream::LA(ssize_t i) {
-  return LT(i)->getType();
-}
-
-Token* BufferedTokenStream::LB(size_t k) {
-  if (k > _p) {
-    return nullptr;
-  }
-  return _tokens[_p - k].get();
-}
-
-Token* BufferedTokenStream::LT(ssize_t k) {
-  lazyInit();
-  if (k == 0) {
-    return nullptr;
-  }
-  if (k < 0) {
-    return LB(-k);
-  }
-
-  size_t i = _p + k - 1;
-  sync(i);
-  if (i >= _tokens.size()) { // return EOF token
-                             // EOF must be last token
-    return _tokens.back().get();
-  }
-
-  return _tokens[i].get();
-}
-
-ssize_t BufferedTokenStream::adjustSeekIndex(size_t i) {
-  return i;
-}
-
-void BufferedTokenStream::lazyInit() {
-  if (_needSetup) {
-    setup();
-  }
-}
-
-void BufferedTokenStream::setup() {
-  _needSetup = false;
-  sync(0);
-  _p = adjustSeekIndex(0);
-}
-
-void BufferedTokenStream::setTokenSource(TokenSource *tokenSource) {
-  _tokenSource = tokenSource;
-  _tokens.clear();
-  _fetchedEOF = false;
-  _needSetup = true;
-}
-
-std::vector<Token *> BufferedTokenStream::getTokens() {
-  std::vector<Token *> result;
-  for (auto &t : _tokens)
-    result.push_back(t.get());
-  return result;
-}
-
-std::vector<Token *> BufferedTokenStream::getTokens(size_t start, size_t stop) {
-  return getTokens(start, stop, std::vector<size_t>());
-}
-
-std::vector<Token *> BufferedTokenStream::getTokens(size_t start, size_t stop, const std::vector<size_t> &types) {
-  lazyInit();
-  if (stop >= _tokens.size() || start >= _tokens.size()) {
-    throw IndexOutOfBoundsException(std::string("start ") +
-                                    std::to_string(start) +
-                                    std::string(" or stop ") +
-                                    std::to_string(stop) +
-                                    std::string(" not in 0..") +
-                                    std::to_string(_tokens.size() - 1));
-  }
-
-  std::vector<Token *> filteredTokens;
-
-  if (start > stop) {
-    return filteredTokens;
-  }
-
-  for (size_t i = start; i <= stop; i++) {
-    Token *tok = _tokens[i].get();
-
-    if (types.empty() || std::find(types.begin(), types.end(), tok->getType()) != types.end()) {
-      filteredTokens.push_back(tok);
-    }
-  }
-  return filteredTokens;
-}
-
-std::vector<Token *> BufferedTokenStream::getTokens(size_t start, size_t stop, size_t ttype) {
-  std::vector<size_t> s;
-  s.push_back(ttype);
-  return getTokens(start, stop, s);
-}
-
-ssize_t BufferedTokenStream::nextTokenOnChannel(size_t i, size_t channel) {
-  sync(i);
-  if (i >= size()) {
-    return size() - 1;
-  }
-
-  Token *token = _tokens[i].get();
-  while (token->getChannel() != channel) {
-    if (token->getType() == Token::EOF) {
-      return i;
-    }
-    i++;
-    sync(i);
-    token = _tokens[i].get();
-  }
-  return i;
-}
-
-ssize_t BufferedTokenStream::previousTokenOnChannel(size_t i, size_t channel) {
-  sync(i);
-  if (i >= size()) {
-    // the EOF token is on every channel
-    return size() - 1;
-  }
-
-  while (true) {
-    Token *token = _tokens[i].get();
-    if (token->getType() == Token::EOF || token->getChannel() == channel) {
-      return i;
-    }
-
-    if (i == 0)
-      return -1;
-    i--;
-  }
-  return i;
-}
-
-std::vector<Token *> BufferedTokenStream::getHiddenTokensToRight(size_t tokenIndex, ssize_t channel) {
-  lazyInit();
-  if (tokenIndex >= _tokens.size()) {
-    throw IndexOutOfBoundsException(std::to_string(tokenIndex) + " not in 0.." + std::to_string(_tokens.size() - 1));
-  }
-
-  ssize_t nextOnChannel = nextTokenOnChannel(tokenIndex + 1, Lexer::DEFAULT_TOKEN_CHANNEL);
-  size_t to;
-  size_t from = tokenIndex + 1;
-  // if none onchannel to right, nextOnChannel=-1 so set to = last token
-  if (nextOnChannel == -1) {
-    to = static_cast<ssize_t>(size() - 1);
-  } else {
-    to = nextOnChannel;
-  }
-
-  return filterForChannel(from, to, channel);
-}
-
-std::vector<Token *> BufferedTokenStream::getHiddenTokensToRight(size_t tokenIndex) {
-  return getHiddenTokensToRight(tokenIndex, -1);
-}
-
-std::vector<Token *> BufferedTokenStream::getHiddenTokensToLeft(size_t tokenIndex, ssize_t channel) {
-  lazyInit();
-  if (tokenIndex >= _tokens.size()) {
-    throw IndexOutOfBoundsException(std::to_string(tokenIndex) + " not in 0.." + std::to_string(_tokens.size() - 1));
-  }
-
-  if (tokenIndex == 0) {
-    // Obviously no tokens can appear before the first token.
-    return { };
-  }
-
-  ssize_t prevOnChannel = previousTokenOnChannel(tokenIndex - 1, Lexer::DEFAULT_TOKEN_CHANNEL);
-  if (prevOnChannel == static_cast<ssize_t>(tokenIndex - 1)) {
-    return { };
-  }
-  // if none onchannel to left, prevOnChannel=-1 then from=0
-  size_t from = static_cast<size_t>(prevOnChannel + 1);
-  size_t to = tokenIndex - 1;
-
-  return filterForChannel(from, to, channel);
-}
-
-std::vector<Token *> BufferedTokenStream::getHiddenTokensToLeft(size_t tokenIndex) {
-  return getHiddenTokensToLeft(tokenIndex, -1);
-}
-
-std::vector<Token *> BufferedTokenStream::filterForChannel(size_t from, size_t to, ssize_t channel) {
-  std::vector<Token *> hidden;
-  for (size_t i = from; i <= to; i++) {
-    Token *t = _tokens[i].get();
-    if (channel == -1) {
-      if (t->getChannel() != Lexer::DEFAULT_TOKEN_CHANNEL) {
-        hidden.push_back(t);
-      }
-    } else {
-      if (t->getChannel() == static_cast<size_t>(channel)) {
-        hidden.push_back(t);
-      }
-    }
-  }
-
-  return hidden;
-}
-
-bool BufferedTokenStream::isInitialized() const {
-  return !_needSetup;
-}
-
-/**
- * Get the text of all tokens in this buffer.
- */
-std::string BufferedTokenStream::getSourceName() const
-{
-  return _tokenSource->getSourceName();
-}
-
-std::string BufferedTokenStream::getText() {
-  fill();
-  return getText(misc::Interval(0U, size() - 1));
-}
-
-std::string BufferedTokenStream::getText(const misc::Interval &interval) {
-  lazyInit();
-  size_t start = interval.a;
-  size_t stop = interval.b;
-  if (start == INVALID_INDEX || stop == INVALID_INDEX) {
-    return "";
-  }
-  sync(stop);
-  if (stop >= _tokens.size()) {
-    stop = _tokens.size() - 1;
-  }
-
-  std::stringstream ss;
-  for (size_t i = start; i <= stop; i++) {
-    Token *t = _tokens[i].get();
-    if (t->getType() == Token::EOF) {
-      break;
-    }
-    ss << t->getText();
-  }
-  return ss.str();
-}
-
-std::string BufferedTokenStream::getText(RuleContext *ctx) {
-  return getText(ctx->getSourceInterval());
-}
-
-std::string BufferedTokenStream::getText(Token *start, Token *stop) {
-  if (start != nullptr && stop != nullptr) {
-    return getText(misc::Interval(start->getTokenIndex(), stop->getTokenIndex()));
-  }
-
-  return "";
-}
-
-void BufferedTokenStream::fill() {
-  lazyInit();
-  const size_t blockSize = 1000;
-  while (true) {
-    size_t fetched = fetch(blockSize);
-    if (fetched < blockSize) {
-      return;
-    }
-  }
-}
-
-void BufferedTokenStream::InitializeInstanceFields() {
-  _needSetup = true;
-  _fetchedEOF = false;
-}