Initial commit from sysy-main

antlr/antlr4-runtime-4.12.0/demo/Linux/main.cpp

@@ -0,0 +1,38 @@
+/* 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.
+ */
+
+//
+//  main.cpp
+//  antlr4-cpp-demo
+//
+//  Created by Mike Lischke on 13.03.16.
+//
+
+#include <iostream>
+
+#include "antlr4-runtime.h"
+#include "TLexer.h"
+#include "TParser.h"
+
+using namespace antlrcpptest;
+using namespace antlr4;
+
+int main(int , const char **) {
+  ANTLRInputStream input(u8"🍴 = 🍐 + \"😎\";(((x * π))) * µ + ∰; a + (x * (y ? 0 : 1) + z);");
+  TLexer lexer(&input);
+  CommonTokenStream tokens(&lexer);
+
+  tokens.fill();
+  for (auto token : tokens.getTokens()) {
+    std::cout << token->toString() << std::endl;
+  }
+
+  TParser parser(&tokens);
+  tree::ParseTree* tree = parser.main();
+
+  std::cout << tree->toStringTree(&parser) << std::endl << std::endl;
+
+  return 0;
+}