public static ISyntaxTree CreateSyntaxTree(Stream file, string filePath, out IReadOnlyList <ParseError> parseErrors)
{
var input = new AntlrInputStream(file);
var lexer = new TypemakerLexer(input);
var errors = new List <ParseError>();
var errorListener = new ReportingErrorListener(errors, lexer.Vocabulary);
lexer.AddErrorListener(errorListener);
var tokenStream = new CommonTokenStream(lexer);
var parser = new TypemakerParser(tokenStream);
parser.AddErrorListener(errorListener);
var compilationUnitContext = parser.compilation_unit();
parseErrors = errors;
if (errors.Count > 0)
{
return(null);
}
var visitor = new CompilationUnitVisitor(filePath);
var tree = visitor.Visit(compilationUnitContext);
var tokens = tokenStream.GetTokens();
tree.Build(tokens);
return(tree);
}
public static void Main(string[] args)
{
using (FileStream fs = new FileStream("../../../../Typemaker.Compiler/test.tm", FileMode.Open, FileAccess.Read))
{
var input = new AntlrInputStream(fs);
var lexer = new TypemakerLexer(input);
var tokens = lexer.GetAllTokens();
var tokenNames = String.Join(" ", tokens.Select(x => lexer.Vocabulary.GetDisplayName(x.Type)));
Console.WriteLine(tokenNames);
Console.ReadKey();
}
}
static void SourceMatchTokens(string source, List <int> expectedTokens)
{
using (var ss = new StringReader(source))
{
var input = new AntlrInputStream(ss);
var lexer = new TypemakerLexer(input);
var tokenInterfaces = lexer.GetAllTokens();
var actualTokens = tokenInterfaces.Select(x => x.Type).ToList();
var translatedExpected = expectedTokens.Select(x => lexer.Vocabulary.GetSymbolicName(x)).ToList();
var translatedActual = actualTokens.Select(x => lexer.Vocabulary.GetSymbolicName(x)).ToList();
Assert.Equal(expectedTokens.Count, actualTokens.Count);
for (var I = 0; I < expectedTokens.Count; ++I)
{
Assert.True(actualTokens[I] == expectedTokens[I], "Expected " + translatedExpected[I] + " got " + translatedActual[I]);
}
}
}
