add antlr source code and ReadMe

[toc] / antlr4-cpp-runtime-4.9.2-source / runtime / src / atn / WildcardTransition.cpp

diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/WildcardTransition.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/WildcardTransition.cpp
new file mode 100644 (file)
index 0000000..dc47413
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/WildcardTransition.cpp
@@ -0,0 +1,25 @@
+/* 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/ATNState.h"
+
+#include "atn/WildcardTransition.h"
+
+using namespace antlr4::atn;
+
+WildcardTransition::WildcardTransition(ATNState *target) : Transition(target) {
+}
+
+Transition::SerializationType WildcardTransition::getSerializationType() const {
+  return WILDCARD;
+}
+
+bool WildcardTransition::matches(size_t symbol, size_t minVocabSymbol, size_t maxVocabSymbol) const {
+  return symbol >= minVocabSymbol && symbol <= maxVocabSymbol;
+}
+
+std::string WildcardTransition::toString() const {
+  return "WILDCARD " + Transition::toString() + " {}";
+}