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 IFile ParseFile()
{
using (var def = Lifetime.Define())
{
var builder = new PsiBuilder(myLexer, SpringFileNodeType.Instance, new TokenFactory(), def.Lifetime);
var fileMark = builder.Mark();
var parser = new CParser(new CommonTokenStream(new CLexer(new AntlrInputStream(myLexer.Buffer.GetText()))));
parser.AddErrorListener(new ErrorListener(builder));
new Visitor(builder).Visit(parser.compilationUnit());
builder.Done(fileMark, SpringFileNodeType.Instance, null);
var file = (IFile)builder.BuildTree();
return(file);
}
}
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);
}
}
public IFile ParseFile()
{
using (var def = Lifetime.Define())
{
var builder = new PsiBuilder(new CILexer(myLexer.Buffer), SpringFileNodeType.Instance, new TokenFactory(), def.Lifetime);
string inputText = myLexer.Buffer.GetText();
var tokenStream = new CommonTokenStream(new CLexer(new AntlrInputStream(inputText)));
CParser cParser = new CParser(tokenStream);
cParser.AddErrorListener(new ParserErrorListener(builder));
var visitor = new BuilderVisitor(builder);
var fileMark = builder.Mark();
CParser.CompilationUnitContext fileContext = cParser.compilationUnit();
visitor.Visit(fileContext);
builder.Done(fileMark, SpringFileNodeType.Instance, null);
var file = (IFile)builder.BuildTree();
return(file);
}
}
