Intermediate changes

1 files changed, 0 insertions, 425 deletions

diff --git a/contrib/libs/antlr4_cpp_runtime/src/TokenStreamRewriter.cpp b/contrib/libs/antlr4_cpp_runtime/src/TokenStreamRewriter.cpp
deleted file mode 100644
index 9050eb5c910..00000000000
--- a/contrib/libs/antlr4_cpp_runtime/src/TokenStreamRewriter.cpp
+++ /dev/null
@@ -1,425 +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 "Exceptions.h"
-#include "misc/Interval.h"
-#include "Token.h"
-#include "TokenStream.h"
-
-#include "TokenStreamRewriter.h"
-
-using namespace antlr4;
-
-using antlr4::misc::Interval;
-
-TokenStreamRewriter::RewriteOperation::RewriteOperation(TokenStreamRewriter *outerInstance_, size_t index_)
-  : outerInstance(outerInstance_) {
-
-  InitializeInstanceFields();
-  this->index = index_;
-}
-
-TokenStreamRewriter::RewriteOperation::RewriteOperation(TokenStreamRewriter *outerInstance_, size_t index_,
-  const std::string& text_) : outerInstance(outerInstance_) {
-
-  InitializeInstanceFields();
-  this->index = index_;
-  this->text = text_;
-}
-
-TokenStreamRewriter::RewriteOperation::~RewriteOperation()
-{
-}
-
-size_t TokenStreamRewriter::RewriteOperation::execute(std::string * /*buf*/) {
-  return index;
-}
-
-std::string TokenStreamRewriter::RewriteOperation::toString() {
-  std::string opName = "TokenStreamRewriter";
-  size_t dollarIndex = opName.find('$');
-  opName = opName.substr(dollarIndex + 1, opName.length() - (dollarIndex + 1));
-  return "<" + opName + "@" + outerInstance->tokens->get(dollarIndex)->getText() + ":\"" + text + "\">";
-}
-
-void TokenStreamRewriter::RewriteOperation::InitializeInstanceFields() {
-  instructionIndex = 0;
-  index = 0;
-}
-
-TokenStreamRewriter::InsertBeforeOp::InsertBeforeOp(TokenStreamRewriter *outerInstance_, size_t index_, const std::string& text_)
-: RewriteOperation(outerInstance_, index_, text_), outerInstance(outerInstance_) {
-}
-
-size_t TokenStreamRewriter::InsertBeforeOp::execute(std::string *buf) {
-  buf->append(text);
-  if (outerInstance->tokens->get(index)->getType() != Token::EOF) {
-    buf->append(outerInstance->tokens->get(index)->getText());
-  }
-  return index + 1;
-}
-
-TokenStreamRewriter::ReplaceOp::ReplaceOp(TokenStreamRewriter *outerInstance_, size_t from, size_t to, const std::string& text)
-: RewriteOperation(outerInstance_, from, text), outerInstance(outerInstance_) {
-
-  InitializeInstanceFields();
-  lastIndex = to;
-}
-
-size_t TokenStreamRewriter::ReplaceOp::execute(std::string *buf) {
-  buf->append(text);
-  return lastIndex + 1;
-}
-
-std::string TokenStreamRewriter::ReplaceOp::toString() {
-  if (text.empty()) {
-    return "<DeleteOp@" + outerInstance->tokens->get(index)->getText() + ".." + outerInstance->tokens->get(lastIndex)->getText() + ">";
-  }
-  return "<ReplaceOp@" + outerInstance->tokens->get(index)->getText() + ".." + outerInstance->tokens->get(lastIndex)->getText() + ":\"" + text + "\">";
-}
-
-void TokenStreamRewriter::ReplaceOp::InitializeInstanceFields() {
-  lastIndex = 0;
-}
-
-//------------------ TokenStreamRewriter -------------------------------------------------------------------------------
-
-const std::string TokenStreamRewriter::DEFAULT_PROGRAM_NAME = "default";
-
-TokenStreamRewriter::TokenStreamRewriter(TokenStream *tokens_) : tokens(tokens_) {
-  _programs[DEFAULT_PROGRAM_NAME].reserve(PROGRAM_INIT_SIZE);
-}
-
-TokenStreamRewriter::~TokenStreamRewriter() {
-  for (const auto &program : _programs) {
-    for (auto *operation : program.second) {
-      delete operation;
-    }
-  }
-}
-
-TokenStream *TokenStreamRewriter::getTokenStream() {
-  return tokens;
-}
-
-void TokenStreamRewriter::rollback(size_t instructionIndex) {
-  rollback(DEFAULT_PROGRAM_NAME, instructionIndex);
-}
-
-void TokenStreamRewriter::rollback(const std::string &programName, size_t instructionIndex) {
-  std::vector<RewriteOperation*> is = _programs[programName];
-  if (is.size() > 0) {
-    _programs.insert({ programName, std::vector<RewriteOperation*>(is.begin() + MIN_TOKEN_INDEX, is.begin() + instructionIndex) });
-  }
-}
-
-void TokenStreamRewriter::deleteProgram() {
-  deleteProgram(DEFAULT_PROGRAM_NAME);
-}
-
-void TokenStreamRewriter::deleteProgram(const std::string &programName) {
-  rollback(programName, MIN_TOKEN_INDEX);
-}
-
-void TokenStreamRewriter::insertAfter(Token *t, const std::string& text) {
-  insertAfter(DEFAULT_PROGRAM_NAME, t, text);
-}
-
-void TokenStreamRewriter::insertAfter(size_t index, const std::string& text) {
-  insertAfter(DEFAULT_PROGRAM_NAME, index, text);
-}
-
-void TokenStreamRewriter::insertAfter(const std::string &programName, Token *t, const std::string& text) {
-  insertAfter(programName, t->getTokenIndex(), text);
-}
-
-void TokenStreamRewriter::insertAfter(const std::string &programName, size_t index, const std::string& text) {
-  // to insert after, just insert before next index (even if past end)
-  insertBefore(programName, index + 1, text);
-}
-
-void TokenStreamRewriter::insertBefore(Token *t, const std::string& text) {
-  insertBefore(DEFAULT_PROGRAM_NAME, t, text);
-}
-
-void TokenStreamRewriter::insertBefore(size_t index, const std::string& text) {
-  insertBefore(DEFAULT_PROGRAM_NAME, index, text);
-}
-
-void TokenStreamRewriter::insertBefore(const std::string &programName, Token *t, const std::string& text) {
-  insertBefore(programName, t->getTokenIndex(), text);
-}
-
-void TokenStreamRewriter::insertBefore(const std::string &programName, size_t index, const std::string& text) {
-  RewriteOperation *op = new InsertBeforeOp(this, index, text); /* mem-check: deleted in d-tor */
-  std::vector<RewriteOperation*> &rewrites = getProgram(programName);
-  op->instructionIndex = rewrites.size();
-  rewrites.push_back(op);
-}
-
-void TokenStreamRewriter::replace(size_t index, const std::string& text) {
-  replace(DEFAULT_PROGRAM_NAME, index, index, text);
-}
-
-void TokenStreamRewriter::replace(size_t from, size_t to, const std::string& text) {
-  replace(DEFAULT_PROGRAM_NAME, from, to, text);
-}
-
-void TokenStreamRewriter::replace(Token *indexT, const std::string& text) {
-  replace(DEFAULT_PROGRAM_NAME, indexT, indexT, text);
-}
-
-void TokenStreamRewriter::replace(Token *from, Token *to, const std::string& text) {
-  replace(DEFAULT_PROGRAM_NAME, from, to, text);
-}
-
-void TokenStreamRewriter::replace(const std::string &programName, size_t from, size_t to, const std::string& text) {
-  if (from > to || to >= tokens->size()) {
-    throw IllegalArgumentException("replace: range invalid: " + std::to_string(from) + ".." + std::to_string(to) +
-                                   "(size = " + std::to_string(tokens->size()) + ")");
-  }
-  RewriteOperation *op = new ReplaceOp(this, from, to, text); /* mem-check: deleted in d-tor */
-  std::vector<RewriteOperation*> &rewrites = getProgram(programName);
-  op->instructionIndex = rewrites.size();
-  rewrites.push_back(op);
-}
-
-void TokenStreamRewriter::replace(const std::string &programName, Token *from, Token *to, const std::string& text) {
-  replace(programName, from->getTokenIndex(), to->getTokenIndex(), text);
-}
-
-void TokenStreamRewriter::Delete(size_t index) {
-  Delete(DEFAULT_PROGRAM_NAME, index, index);
-}
-
-void TokenStreamRewriter::Delete(size_t from, size_t to) {
-  Delete(DEFAULT_PROGRAM_NAME, from, to);
-}
-
-void TokenStreamRewriter::Delete(Token *indexT) {
-  Delete(DEFAULT_PROGRAM_NAME, indexT, indexT);
-}
-
-void TokenStreamRewriter::Delete(Token *from, Token *to) {
-  Delete(DEFAULT_PROGRAM_NAME, from, to);
-}
-
-void TokenStreamRewriter::Delete(const std::string &programName, size_t from, size_t to) {
-  std::string nullString;
-  replace(programName, from, to, nullString);
-}
-
-void TokenStreamRewriter::Delete(const std::string &programName, Token *from, Token *to) {
-  std::string nullString;
-  replace(programName, from, to, nullString);
-}
-
-size_t TokenStreamRewriter::getLastRewriteTokenIndex() {
-  return getLastRewriteTokenIndex(DEFAULT_PROGRAM_NAME);
-}
-
-size_t TokenStreamRewriter::getLastRewriteTokenIndex(const std::string &programName) {
-  if (_lastRewriteTokenIndexes.find(programName) == _lastRewriteTokenIndexes.end()) {
-    return INVALID_INDEX;
-  }
-  return _lastRewriteTokenIndexes[programName];
-}
-
-void TokenStreamRewriter::setLastRewriteTokenIndex(const std::string &programName, size_t i) {
-  _lastRewriteTokenIndexes.insert({ programName, i });
-}
-
-std::vector<TokenStreamRewriter::RewriteOperation*>& TokenStreamRewriter::getProgram(const std::string &name) {
-  auto iterator = _programs.find(name);
-  if (iterator == _programs.end()) {
-    return initializeProgram(name);
-  }
-  return iterator->second;
-}
-
-std::vector<TokenStreamRewriter::RewriteOperation*>& TokenStreamRewriter::initializeProgram(const std::string &name) {
-  _programs[name].reserve(PROGRAM_INIT_SIZE);
-  return _programs[name];
-}
-
-std::string TokenStreamRewriter::getText() {
-  return getText(DEFAULT_PROGRAM_NAME, Interval(0UL, tokens->size() - 1));
-}
-
-std::string TokenStreamRewriter::getText(std::string programName) {
-  return getText(programName, Interval(0UL, tokens->size() - 1));
-}
-
-std::string TokenStreamRewriter::getText(const Interval &interval) {
-  return getText(DEFAULT_PROGRAM_NAME, interval);
-}
-
-std::string TokenStreamRewriter::getText(const std::string &programName, const Interval &interval) {
-  std::vector<TokenStreamRewriter::RewriteOperation*> &rewrites = _programs[programName];
-  size_t start = interval.a;
-  size_t stop = interval.b;
-
-  // ensure start/end are in range
-  if (stop > tokens->size() - 1) {
-    stop = tokens->size() - 1;
-  }
-  if (start == INVALID_INDEX) {
-    start = 0;
-  }
-
-  if (rewrites.empty() || rewrites.empty()) {
-    return tokens->getText(interval); // no instructions to execute
-  }
-  std::string buf;
-
-  // First, optimize instruction stream
-  std::unordered_map<size_t, TokenStreamRewriter::RewriteOperation*> indexToOp = reduceToSingleOperationPerIndex(rewrites);
-
-  // Walk buffer, executing instructions and emitting tokens
-  size_t i = start;
-  while (i <= stop && i < tokens->size()) {
-    RewriteOperation *op = indexToOp[i];
-    indexToOp.erase(i); // remove so any left have index size-1
-    Token *t = tokens->get(i);
-    if (op == nullptr) {
-      // no operation at that index, just dump token
-      if (t->getType() != Token::EOF) {
-        buf.append(t->getText());
-      }
-      i++; // move to next token
-    }
-    else {
-      i = op->execute(&buf); // execute operation and skip
-    }
-  }
-
-  // include stuff after end if it's last index in buffer
-  // So, if they did an insertAfter(lastValidIndex, "foo"), include
-  // foo if end==lastValidIndex.
-  if (stop == tokens->size() - 1) {
-    // Scan any remaining operations after last token
-    // should be included (they will be inserts).
-    for (auto op : indexToOp) {
-      if (op.second->index >= tokens->size() - 1) {
-        buf.append(op.second->text);
-      }
-    }
-  }
-  return buf;
-}
-
-std::unordered_map<size_t, TokenStreamRewriter::RewriteOperation*> TokenStreamRewriter::reduceToSingleOperationPerIndex(
-  std::vector<TokenStreamRewriter::RewriteOperation*> &rewrites) {
-
-
-  // WALK REPLACES
-  for (size_t i = 0; i < rewrites.size(); ++i) {
-    TokenStreamRewriter::RewriteOperation *op = rewrites[i];
-    ReplaceOp *rop = dynamic_cast<ReplaceOp *>(op);
-    if (rop == nullptr)
-      continue;
-
-    // Wipe prior inserts within range
-    std::vector<InsertBeforeOp *> inserts = getKindOfOps<InsertBeforeOp>(rewrites, i);
-    for (auto *iop : inserts) {
-      if (iop->index == rop->index) {
-        // E.g., insert before 2, delete 2..2; update replace
-        // text to include insert before, kill insert
-        delete rewrites[iop->instructionIndex];
-        rewrites[iop->instructionIndex] = nullptr;
-        rop->text = iop->text + (!rop->text.empty() ? rop->text : "");
-      }
-      else if (iop->index > rop->index && iop->index <= rop->lastIndex) {
-        // delete insert as it's a no-op.
-        delete rewrites[iop->instructionIndex];
-        rewrites[iop->instructionIndex] = nullptr;
-      }
-    }
-    // Drop any prior replaces contained within
-    std::vector<ReplaceOp*> prevReplaces = getKindOfOps<ReplaceOp>(rewrites, i);
-    for (auto *prevRop : prevReplaces) {
-      if (prevRop->index >= rop->index && prevRop->lastIndex <= rop->lastIndex) {
-        // delete replace as it's a no-op.
-        delete rewrites[prevRop->instructionIndex];
-        rewrites[prevRop->instructionIndex] = nullptr;
-        continue;
-      }
-      // throw exception unless disjoint or identical
-      bool disjoint = prevRop->lastIndex < rop->index || prevRop->index > rop->lastIndex;
-      // Delete special case of replace (text==null):
-      // D.i-j.u D.x-y.v    | boundaries overlap    combine to max(min)..max(right)
-      if (prevRop->text.empty() && rop->text.empty() && !disjoint) {
-        delete rewrites[prevRop->instructionIndex];
-        rewrites[prevRop->instructionIndex] = nullptr; // kill first delete
-        rop->index = std::min(prevRop->index, rop->index);
-        rop->lastIndex = std::max(prevRop->lastIndex, rop->lastIndex);
-        std::cout << "new rop " << rop << std::endl;
-      }
-      else if (!disjoint) {
-        throw IllegalArgumentException("replace op boundaries of " + rop->toString() +
-                                       " overlap with previous " + prevRop->toString());
-      }
-    }
-  }
-
-  // WALK INSERTS
-  for (size_t i = 0; i < rewrites.size(); i++) {
-    InsertBeforeOp *iop = dynamic_cast<InsertBeforeOp *>(rewrites[i]);
-    if (iop == nullptr)
-      continue;
-
-    // combine current insert with prior if any at same index
-
-    std::vector<InsertBeforeOp *> prevInserts = getKindOfOps<InsertBeforeOp>(rewrites, i);
-    for (auto *prevIop : prevInserts) {
-      if (prevIop->index == iop->index) { // combine objects
-                                          // convert to strings...we're in process of toString'ing
-                                          // whole token buffer so no lazy eval issue with any templates
-        iop->text = catOpText(&iop->text, &prevIop->text);
-        // delete redundant prior insert
-        delete rewrites[prevIop->instructionIndex];
-        rewrites[prevIop->instructionIndex] = nullptr;
-      }
-    }
-    // look for replaces where iop.index is in range; error
-    std::vector<ReplaceOp*> prevReplaces = getKindOfOps<ReplaceOp>(rewrites, i);
-    for (auto *rop : prevReplaces) {
-      if (iop->index == rop->index) {
-        rop->text = catOpText(&iop->text, &rop->text);
-        delete rewrites[i];
-        rewrites[i] = nullptr; // delete current insert
-        continue;
-      }
-      if (iop->index >= rop->index && iop->index <= rop->lastIndex) {
-        throw IllegalArgumentException("insert op " + iop->toString() + " within boundaries of previous " + rop->toString());
-      }
-    }
-  }
-
-  std::unordered_map<size_t, TokenStreamRewriter::RewriteOperation*> m;
-  for (TokenStreamRewriter::RewriteOperation *op : rewrites) {
-    if (op == nullptr) { // ignore deleted ops
-      continue;
-    }
-    if (m.count(op->index) > 0) {
-      throw RuntimeException("should only be one op per index");
-    }
-    m[op->index] = op;
-  }
-
-  return m;
-}
-
-std::string TokenStreamRewriter::catOpText(std::string *a, std::string *b) {
-  std::string x = "";
-  std::string y = "";
-  if (a != nullptr) {
-    x = *a;
-  }
-  if (b != nullptr) {
-    y = *b;
-  }
-  return x + y;
-}