public static void Main(string[] args)
{
if (args.Length != 0)
{
string inputFileName = args[0];
if (!Path.IsPathRooted(inputFileName))
{
inputFileName = Path.Combine(Environment.CurrentDirectory, inputFileName);
}
ICharStream input = new ANTLRFileStream(inputFileName);
// BUILD AST
ANTLRv3Lexer lex = new ANTLRv3Lexer(input);
CommonTokenStream tokens = new CommonTokenStream(lex);
ANTLRv3Parser g = new ANTLRv3Parser(tokens);
ANTLRv3Parser.grammarDef_return r = g.grammarDef();
CommonTree t = (CommonTree)r.Tree;
System.Console.Out.WriteLine(t.ToStringTree());
/*
* // BUILD AST + PARSE TREES (needs ANTLR -debug option)
* ANTLRv3Lexer lex = new ANTLRv3Lexer(input);
* CommonTokenStream tokens = new CommonTokenStream(lex);
* ParseTreeBuilder builder = new ParseTreeBuilder(inputName);
* ANTLRv3Parser g = new ANTLRv3Parser(tokens, builder);
* ANTLRv3Parser.grammarDef_return r = g.grammarDef();
* CommonTree t = (CommonTree)r.Tree; // not used here
* System.Console.Out.WriteLine("parse tree: "+builder.Tree.ToStringTree());
* System.Console.Out.Write("input:\n"+builder.Tree.ToInputString());
*/
// WALK AST
CommonTreeNodeStream nodes = new CommonTreeNodeStream(t);
ANTLRv3Tree walker = new ANTLRv3Tree(nodes);
walker.grammarDef();
}
else
{
Console.Error.WriteLine("Usage: ANTLRv3 <input-file>");
}
}
public static void Main(string[] args)
{
if (args.Length > 1) {
string inputFileName = args[0];
if (!Path.IsPathRooted(inputFileName))
{
inputFileName = Path.Combine(Environment.CurrentDirectory, inputFileName);
}
ICharStream input = new ANTLRFileStream(inputFileName);
// BUILD AST
ANTLRv3Lexer lex = new ANTLRv3Lexer(input);
CommonTokenStream tokens = new CommonTokenStream(lex);
ANTLRv3Parser g = new ANTLRv3Parser(tokens);
ANTLRv3Parser.grammarDef_return r = g.grammarDef();
CommonTree t = (CommonTree)r.Tree;
System.Console.Out.WriteLine(t.ToStringTree());
/*
// BUILD AST + PARSE TREES (needs ANTLR -debug option)
ANTLRv3Lexer lex = new ANTLRv3Lexer(input);
CommonTokenStream tokens = new CommonTokenStream(lex);
ParseTreeBuilder builder = new ParseTreeBuilder(inputName);
ANTLRv3Parser g = new ANTLRv3Parser(tokens, builder);
ANTLRv3Parser.grammarDef_return r = g.grammarDef();
CommonTree t = (CommonTree)r.Tree; // not used here
System.Console.Out.WriteLine("parse tree: "+builder.Tree.ToStringTree());
System.Console.Out.Write("input:\n"+builder.Tree.ToInputString());
*/
// WALK AST
CommonTreeNodeStream nodes = new CommonTreeNodeStream(t);
ANTLRv3Tree walker = new ANTLRv3Tree(nodes);
walker.grammarDef();
}
else
Console.Error.WriteLine("Usage: ANTLRv3 <input-file>");
}
