From c6ad2948bb98d42f8e0883ef82cd14cd2d5eda60 Mon Sep 17 00:00:00 2001
From: Patrick Schönberger
Date: Sat, 14 Aug 2021 14:56:12 +0200
Subject: add antlr source code and ReadMe

---
 .../runtime/src/BailErrorStrategy.cpp              | 61 ++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 antlr4-cpp-runtime-4.9.2-source/runtime/src/BailErrorStrategy.cpp

(limited to 'antlr4-cpp-runtime-4.9.2-source/runtime/src/BailErrorStrategy.cpp')

diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/BailErrorStrategy.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/BailErrorStrategy.cpp
new file mode 100644
index 0000000..5fbc011
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/BailErrorStrategy.cpp
@@ -0,0 +1,61 @@
+/* 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 "Exceptions.h"
+#include "ParserRuleContext.h"
+#include "InputMismatchException.h"
+#include "Parser.h"
+
+#include "BailErrorStrategy.h"
+
+using namespace antlr4;
+
+void BailErrorStrategy::recover(Parser *recognizer, std::exception_ptr e) {
+  ParserRuleContext *context = recognizer->getContext();
+  do {
+    context->exception = e;
+    if (context->parent == nullptr)
+      break;
+    context = static_cast<ParserRuleContext *>(context->parent);
+  } while (true);
+
+  try {
+    std::rethrow_exception(e); // Throw the exception to be able to catch and rethrow nested.
+#if defined(_MSC_FULL_VER) && _MSC_FULL_VER < 190023026
+  } catch (RecognitionException &inner) {
+    throw ParseCancellationException(inner.what());
+#else
+  } catch (RecognitionException & /*inner*/) {
+    std::throw_with_nested(ParseCancellationException());
+#endif
+  }
+}
+
+Token* BailErrorStrategy::recoverInline(Parser *recognizer)  {
+  InputMismatchException e(recognizer);
+  std::exception_ptr exception = std::make_exception_ptr(e);
+
+  ParserRuleContext *context = recognizer->getContext();
+  do {
+    context->exception = exception;
+    if (context->parent == nullptr)
+      break;
+    context = static_cast<ParserRuleContext *>(context->parent);
+  } while (true);
+
+  try {
+    throw e;
+#if defined(_MSC_FULL_VER) && _MSC_FULL_VER < 190023026
+  } catch (InputMismatchException &inner) {
+    throw ParseCancellationException(inner.what());
+#else
+  } catch (InputMismatchException & /*inner*/) {
+    std::throw_with_nested(ParseCancellationException());
+#endif
+  }
+}
+
+void BailErrorStrategy::sync(Parser * /*recognizer*/) {
+}
-- 
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