add antlr source code and ReadMeHEADmain

1 files changed, 51 insertions, 0 deletions

diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/FailedPredicateException.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/FailedPredicateException.cpp
new file mode 100644
index 0000000..3ec7b27
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/FailedPredicateException.cpp
@@ -0,0 +1,51 @@
+/* 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/ParserATNSimulator.h"
+#include "Parser.h"
+#include "atn/PredicateTransition.h"
+#include "atn/ATN.h"
+#include "atn/ATNState.h"
+#include "support/CPPUtils.h"
+
+#include "FailedPredicateException.h"
+
+using namespace antlr4;
+using namespace antlrcpp;
+
+FailedPredicateException::FailedPredicateException(Parser *recognizer) : FailedPredicateException(recognizer, "", "") {
+}
+
+FailedPredicateException::FailedPredicateException(Parser *recognizer, const std::string &predicate): FailedPredicateException(recognizer, predicate, "") {
+}
+
+FailedPredicateException::FailedPredicateException(Parser *recognizer, const std::string &predicate, const std::string &message)
+  : RecognitionException(!message.empty() ? message : "failed predicate: " + predicate + "?", recognizer,
+                         recognizer->getInputStream(), recognizer->getContext(), recognizer->getCurrentToken()) {
+
+  atn::ATNState *s = recognizer->getInterpreter<atn::ATNSimulator>()->atn.states[recognizer->getState()];
+  atn::Transition *transition = s->transitions[0];
+  if (is<atn::PredicateTransition*>(transition)) {
+    _ruleIndex = static_cast<atn::PredicateTransition *>(transition)->ruleIndex;
+    _predicateIndex = static_cast<atn::PredicateTransition *>(transition)->predIndex;
+  } else {
+    _ruleIndex = 0;
+    _predicateIndex = 0;
+  }
+
+  _predicate = predicate;
+}
+
+size_t FailedPredicateException::getRuleIndex() {
+  return _ruleIndex;
+}
+
+size_t FailedPredicateException::getPredIndex() {
+  return _predicateIndex;
+}
+
+std::string FailedPredicateException::getPredicate() {
+  return _predicate;
+}