add antlr source code and ReadMe

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

diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/BaseErrorListener.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/BaseErrorListener.cpp
new file mode 100644 (file)
index 0000000..c035f09
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/BaseErrorListener.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 "BaseErrorListener.h"
+#include "RecognitionException.h"
+
+using namespace antlr4;
+
+void BaseErrorListener::syntaxError(Recognizer * /*recognizer*/, Token * /*offendingSymbol*/, size_t /*line*/,
+  size_t /*charPositionInLine*/, const std::string &/*msg*/, std::exception_ptr /*e*/) {
+}
+
+void BaseErrorListener::reportAmbiguity(Parser * /*recognizer*/, const dfa::DFA &/*dfa*/, size_t /*startIndex*/,
+  size_t /*stopIndex*/, bool /*exact*/, const antlrcpp::BitSet &/*ambigAlts*/, atn::ATNConfigSet * /*configs*/) {
+}
+
+void BaseErrorListener::reportAttemptingFullContext(Parser * /*recognizer*/, const dfa::DFA &/*dfa*/, size_t /*startIndex*/,
+  size_t /*stopIndex*/, const antlrcpp::BitSet &/*conflictingAlts*/, atn::ATNConfigSet * /*configs*/) {
+}
+
+void BaseErrorListener::reportContextSensitivity(Parser * /*recognizer*/, const dfa::DFA &/*dfa*/, size_t /*startIndex*/,
+  size_t /*stopIndex*/, size_t /*prediction*/, atn::ATNConfigSet * /*configs*/) {
+}