add antlr source code and ReadMeHEADmain

1 files changed, 66 insertions, 0 deletions

diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/RecognitionException.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/RecognitionException.cpp
new file mode 100644
index 0000000..29c9508
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/RecognitionException.cpp
@@ -0,0 +1,66 @@
+/* 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/ATN.h"
+#include "Recognizer.h"
+#include "support/StringUtils.h"
+#include "ParserRuleContext.h"
+#include "misc/IntervalSet.h"
+
+#include "RecognitionException.h"
+
+using namespace antlr4;
+
+RecognitionException::RecognitionException(Recognizer *recognizer, IntStream *input, ParserRuleContext *ctx,
+                                           Token *offendingToken)
+  : RecognitionException("", recognizer, input, ctx, offendingToken) {
+}
+
+RecognitionException::RecognitionException(const std::string &message, Recognizer *recognizer, IntStream *input,
+                                           ParserRuleContext *ctx, Token *offendingToken)
+  : RuntimeException(message), _recognizer(recognizer), _input(input), _ctx(ctx), _offendingToken(offendingToken) {
+  InitializeInstanceFields();
+  if (recognizer != nullptr) {
+    _offendingState = recognizer->getState();
+  }
+}
+
+RecognitionException::~RecognitionException() {
+}
+
+size_t RecognitionException::getOffendingState() const {
+  return _offendingState;
+}
+
+void RecognitionException::setOffendingState(size_t offendingState) {
+  _offendingState = offendingState;
+}
+
+misc::IntervalSet RecognitionException::getExpectedTokens() const {
+  if (_recognizer) {
+    return _recognizer->getATN().getExpectedTokens(_offendingState, _ctx);
+  }
+  return misc::IntervalSet::EMPTY_SET;
+}
+
+RuleContext* RecognitionException::getCtx() const {
+  return _ctx;
+}
+
+IntStream* RecognitionException::getInputStream() const {
+  return _input;
+}
+
+Token* RecognitionException::getOffendingToken() const {
+  return _offendingToken;
+}
+
+Recognizer* RecognitionException::getRecognizer() const {
+  return _recognizer;
+}
+
+void RecognitionException::InitializeInstanceFields() {
+  _offendingState = INVALID_INDEX;
+}