1 files changed, 0 insertions, 80 deletions
diff --git a/deps/v8/third_party/antlr4/runtime/Cpp/runtime/src/atn/SingletonPredictionContext.cpp b/deps/v8/third_party/antlr4/runtime/Cpp/runtime/src/atn/SingletonPredictionContext.cpp
deleted file mode 100644
index ec72b4eea5..0000000000
--- a/deps/v8/third_party/antlr4/runtime/Cpp/runtime/src/atn/SingletonPredictionContext.cpp
+++ /dev/null
@@ -1,80 +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/EmptyPredictionContext.h"
-
-#include "atn/SingletonPredictionContext.h"
-
-using namespace antlr4::atn;
-
-SingletonPredictionContext::SingletonPredictionContext(
-    Ref<PredictionContext> const& parent, size_t returnState)
-    : PredictionContext(parent ? calculateHashCode(parent, returnState)
-                               : calculateEmptyHashCode()),
-      parent(parent),
-      returnState(returnState) {
-  assert(returnState != ATNState::INVALID_STATE_NUMBER);
-}
-
-SingletonPredictionContext::~SingletonPredictionContext() {}
-
-Ref<SingletonPredictionContext> SingletonPredictionContext::create(
-    Ref<PredictionContext> const& parent, size_t returnState) {
-  if (returnState == EMPTY_RETURN_STATE && parent) {
-    // someone can pass in the bits of an array ctx that mean $
-    return std::dynamic_pointer_cast<SingletonPredictionContext>(EMPTY);
-  }
-  return std::make_shared<SingletonPredictionContext>(parent, returnState);
-}
-
-size_t SingletonPredictionContext::size() const { return 1; }
-
-Ref<PredictionContext> SingletonPredictionContext::getParent(
-    size_t index) const {
-  assert(index == 0);
-  ((void)(index));  // Make Release build happy.
-  return parent;
-}
-
-size_t SingletonPredictionContext::getReturnState(size_t index) const {
-  assert(index == 0);
-  ((void)(index));  // Make Release build happy.
-  return returnState;
-}
-
-bool SingletonPredictionContext::operator==(const PredictionContext& o) const {
-  if (this == &o) {
-    return true;
-  }
-
-  const SingletonPredictionContext* other =
-      dynamic_cast<const SingletonPredictionContext*>(&o);
-  if (other == nullptr) {
-    return false;
-  }
-
-  if (this->hashCode() != other->hashCode()) {
-    return false;  // can't be same if hash is different
-  }
-
-  if (returnState != other->returnState) return false;
-
-  if (!parent && !other->parent) return true;
-  if (!parent || !other->parent) return false;
-
-  return *parent == *other->parent;
-}
-
-std::string SingletonPredictionContext::toString() const {
-  // std::string up = !parent.expired() ? parent.lock()->toString() : "";
-  std::string up = parent != nullptr ? parent->toString() : "";
-  if (up.length() == 0) {
-    if (returnState == EMPTY_RETURN_STATE) {
-      return "$";
-    }
-    return std::to_string(returnState);
-  }
-  return std::to_string(returnState) + " " + up;
-}