public static DaisyProgram <T> Compile <T>(string code, StatementSet statements, DaisyMode mode = DaisyMode.Debug)
{
var ast = DaisyParser.Parse(code);
var linker = new DaisyLinker(ast, statements, typeof(T));
linker.Link();
return(new DaisyProgram <T>(ast, mode));
}
public string ItPrintsPrograms(string code)
{
var ast = DaisyParser.Parse(code);
var p = new DaisyAstPrinter(ast.Root);
var back = p.Print();
Assert.AreEqual(0, p.indent);
return(back);
}
public bool ItRunsPrograms(string code)
{
var ast = DaisyParser.Parse(code);
AddLink(ast, "t", i => true);
AddLink(ast, "f", i => false);
var program = new DaisyProgram <int>(ast, DaisyMode.Debug);
var result = program.Execute(1).Outcome;
return(result);
}
public bool ItExecutesAggregates(string code, string values)
{
var ast = DaisyParser.Parse(code);
AddLink(ast, "even", i => i % 2 == 0);
AddLink(ast, "t", i => true);
AddAggregateLink(ast, "any");
var program = new DaisyProgram <IEnumerable <int> >(ast, DaisyMode.Debug);
var result = program.Execute(values.Split(',').Select(int.Parse)).Outcome;
return(result);
}
public void ItParsesLanguages(string code, string expectedTree)
{
var llstream = new LookAheadStream <Token>(new Lexer(code.ToStream()).Lex());
var parser = new DaisyParser(llstream);
var tree = parser.Parse();
Assert.IsNotNull(tree);
var actualTree = DaisyAstPrinter.Print(tree.Root);
if (expectedTree != actualTree)
{
Console.WriteLine(expectedTree);
Console.WriteLine("----------------");
Console.WriteLine(actualTree);
}
Assert.AreEqual(expectedTree, actualTree);
}