1 import org.antlr.runtime.*; 2 import org.antlr.runtime.tree.*; 3 4 public class Main { 5 public static void main(String[] args) throws Exception { 6 CharStream input = new ANTLRFileStream(args[0]); 7 LangLexer lex = new LangLexer(input); 8 CommonTokenStream tokens = new CommonTokenStream(lex); 9 LangParser parser = new LangParser(tokens); 10 //LangParser.decl_return r = parser.decl(); 11 LangParser.start_return r = parser.start(); 12 System.out.println("tree: "+((Tree)r.tree).toStringTree()); 13 CommonTree r0 = ((CommonTree)r.tree); 14 15 CommonTreeNodeStream nodes = new CommonTreeNodeStream(r0); 16 nodes.setTokenStream(tokens); 17 LangDumpDecl walker = new LangDumpDecl(nodes); 18 walker.decl(); 19 } 20 } 21
