add antlr source code and ReadMeHEADmain

1 files changed, 102 insertions, 0 deletions

diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/ParseInfo.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/ParseInfo.cpp
new file mode 100644
index 0000000..95a89ac
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/ParseInfo.cpp
@@ -0,0 +1,102 @@
+/* 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/ProfilingATNSimulator.h"
+#include "dfa/DFA.h"
+
+#include "atn/ParseInfo.h"
+
+using namespace antlr4::atn;
+
+ParseInfo::ParseInfo(ProfilingATNSimulator *atnSimulator) : _atnSimulator(atnSimulator) {
+}
+
+ParseInfo::~ParseInfo() {
+}
+
+std::vector<DecisionInfo> ParseInfo::getDecisionInfo() {
+  return _atnSimulator->getDecisionInfo();
+}
+
+std::vector<size_t> ParseInfo::getLLDecisions() {
+  std::vector<DecisionInfo> decisions = _atnSimulator->getDecisionInfo();
+  std::vector<size_t> LL;
+  for (size_t i = 0; i < decisions.size(); ++i) {
+    long long fallBack = decisions[i].LL_Fallback;
+    if (fallBack > 0) {
+      LL.push_back(i);
+    }
+  }
+  return LL;
+}
+
+long long ParseInfo::getTotalTimeInPrediction() {
+  std::vector<DecisionInfo> decisions = _atnSimulator->getDecisionInfo();
+  long long t = 0;
+  for (size_t i = 0; i < decisions.size(); ++i) {
+    t += decisions[i].timeInPrediction;
+  }
+  return t;
+}
+
+long long ParseInfo::getTotalSLLLookaheadOps() {
+  std::vector<DecisionInfo> decisions = _atnSimulator->getDecisionInfo();
+  long long k = 0;
+  for (size_t i = 0; i < decisions.size(); ++i) {
+    k += decisions[i].SLL_TotalLook;
+  }
+  return k;
+}
+
+long long ParseInfo::getTotalLLLookaheadOps() {
+  std::vector<DecisionInfo> decisions = _atnSimulator->getDecisionInfo();
+  long long k = 0;
+  for (size_t i = 0; i < decisions.size(); i++) {
+    k += decisions[i].LL_TotalLook;
+  }
+  return k;
+}
+
+long long ParseInfo::getTotalSLLATNLookaheadOps() {
+  std::vector<DecisionInfo> decisions = _atnSimulator->getDecisionInfo();
+  long long k = 0;
+  for (size_t i = 0; i < decisions.size(); ++i) {
+    k += decisions[i].SLL_ATNTransitions;
+  }
+  return k;
+}
+
+long long ParseInfo::getTotalLLATNLookaheadOps() {
+  std::vector<DecisionInfo> decisions = _atnSimulator->getDecisionInfo();
+  long long k = 0;
+  for (size_t i = 0; i < decisions.size(); ++i) {
+    k += decisions[i].LL_ATNTransitions;
+  }
+  return k;
+}
+
+long long ParseInfo::getTotalATNLookaheadOps() {
+  std::vector<DecisionInfo> decisions = _atnSimulator->getDecisionInfo();
+  long long k = 0;
+  for (size_t i = 0; i < decisions.size(); ++i) {
+    k += decisions[i].SLL_ATNTransitions;
+    k += decisions[i].LL_ATNTransitions;
+  }
+  return k;
+}
+
+size_t ParseInfo::getDFASize() {
+  size_t n = 0;
+  std::vector<dfa::DFA> &decisionToDFA = _atnSimulator->decisionToDFA;
+  for (size_t i = 0; i < decisionToDFA.size(); ++i) {
+    n += getDFASize(i);
+  }
+  return n;
+}
+
+size_t ParseInfo::getDFASize(size_t decision) {
+  dfa::DFA &decisionToDFA = _atnSimulator->decisionToDFA[decision];
+  return decisionToDFA.states.size();
+}