private static CSharpSyntaxNode Parse(string input, ParseExpressionVisitor visitor)
{
using (var stream = new StringReader(input))
{
var inputStream = new AntlrInputStream(stream);
var lexer = new DonatelloLexer(inputStream);
var commonTokenStream = new CommonTokenStream(lexer);
var parser = new DonatelloParser(commonTokenStream);
var file = parser.file();
return(visitor.Visit(file));
}
}
/// <summary>
/// Use ANTLR4 and the associated visitor implementation to produce a roslyn AST
/// </summary>
public static CompilationUnitSyntax ParseAsClass(string input, string namespaceName, string className, string mainMethodName = null)
{
var visitor = new ParseExpressionVisitor(namespaceName, className, mainMethodName);
return(Parse(input, visitor) as CompilationUnitSyntax);
}
/// <summary>
/// Use ANTLR4 and the associated visitor implementation to produce a roslyn AST
/// </summary>
public static CSharpSyntaxNode ParseAsRepl(string input)
{
var visitor = new ParseExpressionVisitor(repl: true);
return(Parse(input, visitor));
}