public void Parse(ParserDetails pd)
{
var code = pd.Code;
var ffn = pd.FullFileName;
IParseTree pt = null;
// Set up Antlr to parse input grammar.
byte[] byteArray = Encoding.UTF8.GetBytes(code);
var ais = new AntlrInputStream(
new StreamReader(
new MemoryStream(byteArray)).ReadToEnd());
ais.name = ffn;
CommonTokenStream cts = new CommonTokenStream(new Python3Lexer(ais));
var parser = new Python3Parser(cts);
try
{
pt = parser.file_input();
}
catch (Exception)
{
// Parsing error.
}
//StringBuilder sb = new StringBuilder();
//TreeSerializer.ParenthesizedAST(pt, sb, "", cts);
//string fn = System.IO.Path.GetFileName(ffn);
//fn = "c:\\temp\\" + fn;
//System.IO.File.WriteAllText(fn, sb.ToString());
pd.ParseTree = pt;
}
static void Main(string[] args)
{
//var program = "a = [\n" +
// "\n" +
// "# Look at me, I'm a riot!\n" +
// "1\n" +
// "]\n";
// Use with:
//var antlrVisitorContext = parser.file_input();
var program = "if True:\n" +
" a = 1\n" +
" b = 2\n" +
"\n";
var inputStream = new AntlrInputStream(program);
var lexer = new Python3Lexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
var parser = new Python3Parser(commonTokenStream);
var antlrVisitorContext = parser.single_input();
Console.ReadLine();
}
public void Parse(string input)
{
AntlrInputStream stream = new AntlrInputStream(input);
ITokenSource lexer = new Python3Lexer(stream);
ITokenStream tokens = new CommonTokenStream(lexer);
Python3Parser parser = new Python3Parser(tokens);
parser.BuildParseTree = true;
KeyPrinter printer = new KeyPrinter();
IParseTree tree = parser.file_input();
//ParseTreeWalker.Default.Walk(printer, tree);
//IParseTree tree = parser.StartRule();
}
public override void ExitAugassign( Python3Parser.AugassignContext context)
{
Console.WriteLine("ExitAugassign");
}
// override default listener behavior
public override void EnterSingle_input(Python3Parser.Single_inputContext context)
{
Console.WriteLine("Oh, a key!");
}
