add antlr source code and ReadMeHEADmain

1 files changed, 31 insertions, 0 deletions

diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/AtomTransition.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/AtomTransition.cpp
new file mode 100644
index 0000000..af956c2
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/AtomTransition.cpp
@@ -0,0 +1,31 @@
+/* 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 "misc/IntervalSet.h"
+#include "atn/Transition.h"
+
+#include "atn/AtomTransition.h"
+
+using namespace antlr4::misc;
+using namespace antlr4::atn;
+
+AtomTransition::AtomTransition(ATNState *target, size_t label) : Transition(target), _label(label) {
+}
+
+Transition::SerializationType AtomTransition::getSerializationType() const {
+  return ATOM;
+}
+
+IntervalSet AtomTransition::label() const {
+  return IntervalSet::of((int)_label);
+}
+
+bool AtomTransition::matches(size_t symbol, size_t /*minVocabSymbol*/, size_t /*maxVocabSymbol*/) const {
+  return _label == symbol;
+}
+
+std::string AtomTransition::toString() const {
+  return "ATOM " + Transition::toString() + " { label: " + std::to_string(_label) + " }";
+}