Intermediate changes

1 files changed, 0 insertions, 179 deletions

diff --git a/contrib/libs/antlr4_cpp_runtime/src/atn/ProfilingATNSimulator.cpp b/contrib/libs/antlr4_cpp_runtime/src/atn/ProfilingATNSimulator.cpp
deleted file mode 100644
index 9fd86d67d4d..00000000000
--- a/contrib/libs/antlr4_cpp_runtime/src/atn/ProfilingATNSimulator.cpp
+++ /dev/null
@@ -1,179 +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 "atn/PredicateEvalInfo.h"
-#include "atn/LookaheadEventInfo.h"
-#include "Parser.h"
-#include "atn/ATNConfigSet.h"
-#include "support/CPPUtils.h"
-
-#include "atn/ProfilingATNSimulator.h"
-
-using namespace antlr4;
-using namespace antlr4::atn;
-using namespace antlr4::dfa;
-using namespace antlrcpp;
-
-using namespace std::chrono;
-
-ProfilingATNSimulator::ProfilingATNSimulator(Parser *parser)
-  : ParserATNSimulator(parser, parser->getInterpreter<ParserATNSimulator>()->atn,
-                       parser->getInterpreter<ParserATNSimulator>()->decisionToDFA,
-                       parser->getInterpreter<ParserATNSimulator>()->getSharedContextCache()) {
-  for (size_t i = 0; i < atn.decisionToState.size(); i++) {
-    _decisions.push_back(DecisionInfo(i));
-  }
-}
-
-size_t ProfilingATNSimulator::adaptivePredict(TokenStream *input, size_t decision, ParserRuleContext *outerContext) {
-  auto onExit = finally([this](){
-    _currentDecision = 0; // Originally -1, but that makes no sense (index into a vector and init value is also 0).
-  });
-
-  _sllStopIndex = -1;
-  _llStopIndex = -1;
-  _currentDecision = decision;
-  high_resolution_clock::time_point start = high_resolution_clock::now();
-  size_t alt = ParserATNSimulator::adaptivePredict(input, decision, outerContext);
-  high_resolution_clock::time_point stop = high_resolution_clock::now();
-  _decisions[decision].timeInPrediction += duration_cast<nanoseconds>(stop - start).count();
-  _decisions[decision].invocations++;
-
-  long long SLL_k = _sllStopIndex - _startIndex + 1;
-  _decisions[decision].SLL_TotalLook += SLL_k;
-  _decisions[decision].SLL_MinLook = _decisions[decision].SLL_MinLook == 0 ? SLL_k : std::min(_decisions[decision].SLL_MinLook, SLL_k);
-  if (SLL_k > _decisions[decision].SLL_MaxLook) {
-    _decisions[decision].SLL_MaxLook = SLL_k;
-    _decisions[decision].SLL_MaxLookEvent = std::make_shared<LookaheadEventInfo>(decision, nullptr, alt, input, _startIndex, _sllStopIndex, false);
-  }
-
-  if (_llStopIndex >= 0) {
-    long long LL_k = _llStopIndex - _startIndex + 1;
-    _decisions[decision].LL_TotalLook += LL_k;
-    _decisions[decision].LL_MinLook = _decisions[decision].LL_MinLook == 0 ? LL_k : std::min(_decisions[decision].LL_MinLook, LL_k);
-    if (LL_k > _decisions[decision].LL_MaxLook) {
-      _decisions[decision].LL_MaxLook = LL_k;
-      _decisions[decision].LL_MaxLookEvent = std::make_shared<LookaheadEventInfo>(decision, nullptr, alt, input, _startIndex, _llStopIndex, true);
-    }
-  }
-
-  return alt;
-}
-
-DFAState* ProfilingATNSimulator::getExistingTargetState(DFAState *previousD, size_t t) {
-  // this method is called after each time the input position advances
-  // during SLL prediction
-  _sllStopIndex = (int)_input->index();
-
-  DFAState *existingTargetState = ParserATNSimulator::getExistingTargetState(previousD, t);
-  if (existingTargetState != nullptr) {
-    _decisions[_currentDecision].SLL_DFATransitions++; // count only if we transition over a DFA state
-    if (existingTargetState == ERROR.get()) {
-      _decisions[_currentDecision].errors.push_back(
-        ErrorInfo(_currentDecision, previousD->configs.get(), _input, _startIndex, _sllStopIndex, false)
-      );
-    }
-  }
-
-  _currentState = existingTargetState;
-  return existingTargetState;
-}
-
-DFAState* ProfilingATNSimulator::computeTargetState(DFA &dfa, DFAState *previousD, size_t t) {
-  DFAState *state = ParserATNSimulator::computeTargetState(dfa, previousD, t);
-  _currentState = state;
-  return state;
-}
-
-std::unique_ptr<ATNConfigSet> ProfilingATNSimulator::computeReachSet(ATNConfigSet *closure, size_t t, bool fullCtx) {
-  if (fullCtx) {
-    // this method is called after each time the input position advances
-    // during full context prediction
-    _llStopIndex = (int)_input->index();
-  }
-
-  std::unique_ptr<ATNConfigSet> reachConfigs = ParserATNSimulator::computeReachSet(closure, t, fullCtx);
-  if (fullCtx) {
-    _decisions[_currentDecision].LL_ATNTransitions++; // count computation even if error
-    if (reachConfigs != nullptr) {
-    } else { // no reach on current lookahead symbol. ERROR.
-      // TODO: does not handle delayed errors per getSynValidOrSemInvalidAltThatFinishedDecisionEntryRule()
-      _decisions[_currentDecision].errors.push_back(ErrorInfo(_currentDecision, closure, _input, _startIndex, _llStopIndex, true));
-    }
-  } else {
-    ++_decisions[_currentDecision].SLL_ATNTransitions;
-    if (reachConfigs != nullptr) {
-    } else { // no reach on current lookahead symbol. ERROR.
-      _decisions[_currentDecision].errors.push_back(ErrorInfo(_currentDecision, closure, _input, _startIndex, _sllStopIndex, false));
-    }
-  }
-  return reachConfigs;
-}
-
-bool ProfilingATNSimulator::evalSemanticContext(Ref<const SemanticContext> const& pred, ParserRuleContext *parserCallStack,
-                                                size_t alt, bool fullCtx) {
-  bool result = ParserATNSimulator::evalSemanticContext(pred, parserCallStack, alt, fullCtx);
-  if (!(std::dynamic_pointer_cast<const SemanticContext::PrecedencePredicate>(pred) != nullptr)) {
-    bool fullContext = _llStopIndex >= 0;
-    int stopIndex = fullContext ? _llStopIndex : _sllStopIndex;
-    _decisions[_currentDecision].predicateEvals.push_back(
-      PredicateEvalInfo(_currentDecision, _input, _startIndex, stopIndex, pred, result, alt, fullCtx));
-  }
-
-  return result;
-}
-
-void ProfilingATNSimulator::reportAttemptingFullContext(DFA &dfa, const BitSet &conflictingAlts, ATNConfigSet *configs,
-                                                        size_t startIndex, size_t stopIndex) {
-  if (conflictingAlts.count() > 0) {
-    conflictingAltResolvedBySLL = conflictingAlts.nextSetBit(0);
-  } else {
-    conflictingAltResolvedBySLL = configs->getAlts().nextSetBit(0);
-  }
-  _decisions[_currentDecision].LL_Fallback++;
-  ParserATNSimulator::reportAttemptingFullContext(dfa, conflictingAlts, configs, startIndex, stopIndex);
-}
-
-void ProfilingATNSimulator::reportContextSensitivity(DFA &dfa, size_t prediction, ATNConfigSet *configs,
-                                                     size_t startIndex, size_t stopIndex) {
-  if (prediction != conflictingAltResolvedBySLL) {
-    _decisions[_currentDecision].contextSensitivities.push_back(
-      ContextSensitivityInfo(_currentDecision, configs, _input, startIndex, stopIndex)
-    );
-  }
-  ParserATNSimulator::reportContextSensitivity(dfa, prediction, configs, startIndex, stopIndex);
-}
-
-void ProfilingATNSimulator::reportAmbiguity(DFA &dfa, DFAState *D, size_t startIndex, size_t stopIndex, bool exact,
-                                            const BitSet &ambigAlts, ATNConfigSet *configs) {
-  size_t prediction;
-  if (ambigAlts.count() > 0) {
-    prediction = ambigAlts.nextSetBit(0);
-  } else {
-    prediction = configs->getAlts().nextSetBit(0);
-  }
-  if (configs->fullCtx && prediction != conflictingAltResolvedBySLL) {
-    // Even though this is an ambiguity we are reporting, we can
-    // still detect some context sensitivities.  Both SLL and LL
-    // are showing a conflict, hence an ambiguity, but if they resolve
-    // to different minimum alternatives we have also identified a
-    // context sensitivity.
-    _decisions[_currentDecision].contextSensitivities.push_back(
-      ContextSensitivityInfo(_currentDecision, configs, _input, startIndex, stopIndex)
-    );
-  }
-  _decisions[_currentDecision].ambiguities.push_back(
-    AmbiguityInfo(_currentDecision, configs, ambigAlts, _input, startIndex, stopIndex, configs->fullCtx)
-  );
-  ParserATNSimulator::reportAmbiguity(dfa, D, startIndex, stopIndex, exact, ambigAlts, configs);
-}
-
-std::vector<DecisionInfo> ProfilingATNSimulator::getDecisionInfo() const {
-  return _decisions;
-}
-
-DFAState* ProfilingATNSimulator::getCurrentState() const {
-  return _currentState;
-}