add antlr source code and ReadMeHEADmain

1 files changed, 57 insertions, 0 deletions

diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/tree/TerminalNodeImpl.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/tree/TerminalNodeImpl.cpp
new file mode 100644
index 0000000..7ab121b
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/tree/TerminalNodeImpl.cpp
@@ -0,0 +1,57 @@
+/* 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/Interval.h"
+#include "Token.h"
+#include "RuleContext.h"
+#include "tree/ParseTreeVisitor.h"
+
+#include "tree/TerminalNodeImpl.h"
+
+using namespace antlr4;
+using namespace antlr4::tree;
+
+TerminalNodeImpl::TerminalNodeImpl(Token *symbol_) : symbol(symbol_) {
+}
+
+Token* TerminalNodeImpl::getSymbol() {
+  return symbol;
+}
+
+void TerminalNodeImpl::setParent(RuleContext *parent_) {
+  this->parent = parent_;
+}
+
+misc::Interval TerminalNodeImpl::getSourceInterval() {
+  if (symbol == nullptr) {
+    return misc::Interval::INVALID;
+  }
+
+  size_t tokenIndex = symbol->getTokenIndex();
+  return misc::Interval(tokenIndex, tokenIndex);
+}
+
+antlrcpp::Any TerminalNodeImpl::accept(ParseTreeVisitor *visitor) {
+  return visitor->visitTerminal(this);
+}
+
+std::string TerminalNodeImpl::getText() {
+  return symbol->getText();
+}
+
+std::string TerminalNodeImpl::toStringTree(Parser * /*parser*/, bool /*pretty*/) {
+  return toString();
+}
+
+std::string TerminalNodeImpl::toString() {
+  if (symbol->getType() == Token::EOF) {
+    return "<EOF>";
+  }
+  return symbol->getText();
+}
+
+std::string TerminalNodeImpl::toStringTree(bool /*pretty*/) {
+  return toString();
+}