static void Main(string[] args)
{
try
{
if (args.Length != 2)
{
Console.WriteLine("Need 2 arguments: <inputPath> - path to assembly source, <outputPath> - path to binary");
return;
}
Console.WriteLine("Opening files...");
PulsarAsmParserErrorListener parserErrorlistener = new PulsarAsmParserErrorListener();
PulsarAsmLexerErrorListener lexerErrorListener = new PulsarAsmLexerErrorListener();
using FileStream inStream = new FileStream(args[0], FileMode.Open);
using FileStream outStream = new FileStream(args[1], FileMode.Create);
ICharStream charStream = CharStreams.fromStream(inStream);
ICharStream upper = new CaseChangingCharStream(charStream, true);
PulsarAsmGrammarLexer lexer = new PulsarAsmGrammarLexer(upper);
lexer.AddErrorListener(lexerErrorListener);
ITokenStream tokens = new CommonTokenStream(lexer);
PulsarAsmGrammarParser parser = new PulsarAsmGrammarParser(tokens)
{
BuildParseTree = true,
};
parser.AddErrorListener(parserErrorlistener);
Console.WriteLine("Parsing...");
var tree = parser.asm_file();
if (lexerErrorListener.WasError)
{
if (lexerErrorListener.Exception != null)
{
throw lexerErrorListener.Exception;
}
else
{
throw new InvalidOperationException("Lexer failed");
}
}
if (parserErrorlistener.WasError)
{
if (parserErrorlistener.Exception != null)
{
throw parserErrorlistener.Exception;
}
else
{
throw new InvalidOperationException("Parser failed");
}
}
PulsarAsmCodeGenerator l = new PulsarAsmCodeGenerator();
ParseTreeWalker.Default.Walk(l, tree);
Console.WriteLine("Emitting binary...");
l.EmitBinary(outStream);
Console.WriteLine("Done");
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
public static TSqlParser GetParser(string sql)
{
var stream = new AntlrInputStream(sql);
var caseInsensitiveStream = new CaseChangingCharStream(stream, upper: true);
TSqlLexer lexer = new TSqlLexer(caseInsensitiveStream);
var tokenStream = new CommonTokenStream(lexer);
return(new TSqlParser(tokenStream));
}
/// <summary>
/// Parses the TSQL.
/// </summary>
/// <param name="input">The input.</param>
/// <param name="listener">The listener.</param>
private static void ParseTSQL(string input, IParseTreeListener listener)
{
ICharStream Stream = CharStreams.fromstring(input);
Stream = new CaseChangingCharStream(Stream);
ITokenSource Lexer = new TSqlLexer(Stream, TextWriter.Null, TextWriter.Null);
ITokenStream Tokens = new CommonTokenStream(Lexer);
TSqlParser Parser = new TSqlParser(Tokens, TextWriter.Null, TextWriter.Null)
{
BuildParseTree = true
};
IParseTree tree = Parser.tsql_file();
ParseTreeWalker.Default.Walk(listener, tree);
}
private TableInfo GetTableInfo(string script)
{
var input = new AntlrInputStream(script);
var caseChangingStream = new CaseChangingCharStream(input, true);
var lexer = new TSqlLexer(caseChangingStream);
var tokens = new CommonTokenStream(lexer);
var parser = new TSqlParser(tokens);
var tree = parser.tsql_file();
var walker = new ParseTreeWalker();
var listener = new SqlListener();
walker.Walk(listener, tree);
return(listener.TableInfo);
}
