private static void Main(string[] args)
{
var parserInstance = new FormulaParser();
var builder = new ParserBuilder <FormulaToken, IFormula>();
var parserResult = builder.BuildParser(parserInstance, ParserType.EBNF_LL_RECURSIVE_DESCENT, "formulae");
Console.WriteLine(parserResult.Result.Configuration.Dump());
if (parserResult.IsOk)
{
var source = @"
ddd = aaa == 1
aaa = bbb + 1
bbb = ccc + 2
ccc = 3 + 3
";
var fsm = (parserResult.Result.Lexer as GenericLexer <FormulaToken>).FSMBuilder.Fsm;
var grpah = fsm.ToGraphViz();
var t = parserResult.Result.Parse(source);
if (t.IsOk)
{
var form = t.Result as Formulae;
var depbuilder = new Dependencies();
depbuilder.Build(t.Result as Formulae);
depbuilder.Dump();
var checker = new TypeChecker();
checker.Type(form, depbuilder.DependenciesDictionary);
var formulaeEngine = new FormulaeEngine(depbuilder, form);
Console.WriteLine(formulaeEngine.ToString());
// Assert.Equal(6.0, formulaeEngine.GetValue("C"));
// Assert.Equal(8.0, formulaeEngine.GetValue("B"));
// Assert.Equal(9.0, formulaeEngine.GetValue("A"));
formulaeEngine.Set("C", 10.0);
// Assert.Equal(10.0, formulaeEngine.GetValue("C"));
// Assert.Equal(12.0, formulaeEngine.GetValue("B"));
// Assert.Equal(13.0, formulaeEngine.GetValue("A"));
Console.WriteLine(formulaeEngine.ToString());
;
}
else
{
t.Errors.ForEach(e => Console.WriteLine(e.ErrorMessage));
}
}
else
{
parserResult.Errors.ForEach(e => Console.WriteLine(e.Level + " - " + e.Message));
;
}
}
public void RunTest()
{
var parserInstance = new FormulaParser();
var builder = new ParserBuilder <FormulaToken, IFormula>();
var parserResult = builder.BuildParser(parserInstance, ParserType.EBNF_LL_RECURSIVE_DESCENT, "formulae");
Assert.True(parserResult.IsOk);
var source = @"
aaa = -1 * (bbb + 1)
bbb = ccc + 2
ccc = 3 + 3
";
var t = parserResult.Result.Parse(source);
Assert.True(t.IsOk);
var form = t.Result as Formulae;
var depBuilder = new Dependencies();
bool isCyclic = depBuilder.Build(t.Result as Formulae);
Assert.False(isCyclic);
var checker = new TypeChecker();
checker.Type(form, depBuilder.DependenciesDictionary);
var formulaeEngine = new FormulaeEngine(depBuilder, form);
Assert.Equal(6.0, formulaeEngine.GetValue("ccc"));
Assert.Equal(8.0, formulaeEngine.GetValue("bbb"));
Assert.Equal(-9.0, formulaeEngine.GetValue("aaa"));
formulaeEngine.Set("ccc", 10.0);
Assert.Equal(10.0, formulaeEngine.GetValue("ccc"));
Assert.Equal(12.0, formulaeEngine.GetValue("bbb"));
Assert.Equal(-13.0, formulaeEngine.GetValue("aaa"));
}