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Main.cpp
Package: antlr-2_7_0.zip [view]
Upload User: afrynkmhm
Upload Date: 2007-01-06
Package Size: 1262k
Code Size: 1k
Category:
Compiler program
Development Platform:
Others
- #include <iostream>
- #include "CalcLexer.hpp"
- #include "CalcParser.hpp"
- #include "CalcTreeWalker.hpp"
- int main()
- {
- ANTLR_USING_NAMESPACE(std)
- ANTLR_USING_NAMESPACE(antlr)
- try {
- CalcLexer lexer(cin);
- CalcParser parser(lexer);
- // Parse the input expression
- parser.expr();
- RefAST t = parser.getAST();
- // Print the resulting tree out in LISP notation
- cout << t->toStringList() << endl;
- CalcTreeWalker walker;
- // Traverse the tree created by the parser
- walker.expr(t);
- t = walker.getAST();
- cout << t->toStringList() << endl;
- } catch(exception& e) {
- cerr << "exception: " << e.what() << endl;
- }
- }