public CParser CreateParser(string code)
{
ICharStream stream = CharStreams.fromstring(code);
var lexer = new CLexer(stream);
lexer.AddErrorListener(new ThrowExceptionErrorListener());
ITokenStream tokens = new CommonTokenStream(lexer);
var parser = new CParser(tokens);
parser.BuildParseTree = true;
parser.RemoveErrorListeners();
parser.AddErrorListener(new ThrowExceptionErrorListener());
return(parser);
}
public string Compile(ICharStream cSource)
{
CLexer lexer = new CLexer(cSource);
CommonTokenStream tokens = new CommonTokenStream(lexer);
CParser parser = new CParser(tokens);
parser.RemoveErrorListeners();
parser.AddErrorListener(this);
try
{
CParser.CompilationUnitContext compilationUnit = parser.compilationUnit();
ParseTreeWalker walker = new ParseTreeWalker();
walker.Walk(this, compilationUnit);
string idents = "";
foreach (CIdentifier ident in CIdentifier.FileScopeIdentifiers)
{
if (ident.Name.Equals("main"))
{
idents = ident.Emit() + idents;
}
else
{
idents += ident.Emit();
}
}
return(idents);
}
catch (SemanticException e)
{
m_outStream.WriteLine("Compilation Failed: " + e.Message);
return(null);
}
}
