public void WriteGv(string path)
{
using (var graph = new GvGraphView(path))
{
WriteGv(graph);
}
}
public void ResolvingAmbiguities()
{
using (var interp = new Interpreter<AmbiguousCalculator>())
{
interp.Parse("2+8/2");
Assert.AreEqual(6, interp.Context.Result.Value);
interp.Parse("8/4/2");
Assert.AreEqual(1, interp.Context.Result.Value);
interp.Parse("2+3"); // can be interpreted as a "2 * (+3)"
Assert.AreEqual(5, interp.Context.Result.Value);
// Check that implicit multiplication works
interp.Parse("2 3");
Assert.AreEqual(6, interp.Context.Result.Value);
// A lot of ambiguities:
interp.Parse("1+-+6/3");
Assert.AreEqual(-1, interp.Context.Result.Value);
#if false
using (var g = new GvGraphView("expr.tmp.gv"))
{
interp.BuildTree("1+-+6/3").WriteGraph(g, interp.Grammar, true);
}
#endif
}
}
public void Build(IReportData data)
{
foreach (var condition in data.Grammar.Conditions)
{
int i = condition.Index;
string scanModeFileName = Path.GetFileName(fileName) + "_" + i + Path.GetExtension(fileName);
string path = Path.Combine(data.DestinationDirectory, scanModeFileName);
using (var graph = new GvGraphView(path))
{
var dfa = data.GetScannerAutomata(condition);
dfa.DescribeGraph(graph);
}
}
}
public void Test()
{
var context = new SAdBLang();
using (var interp = new Interpreter<SAdBLang>(context))
{
interp.Parse("d");
Assert.IsTrue(context.IsFinalRuleCalledLast);
Assert.IsTrue(context.WasMergeCalled);
// with SPPF producer
var sppf = interp.BuildTree("d");
using (var graph = new GvGraphView(typeof(SAdBLang).Name + "_sppf.gv"))
{
sppf.WriteGraph(graph, interp.Grammar, true);
}
}
}
public void Test2Sppf()
{
var filePath = DataSamples.CompileSample2FilePath;
using (var source = new StreamReader(filePath))
using (var interpreter = new Interpreter<ILLanguage>())
{
SppfNode sppf = interpreter.BuildTree(source, filePath);
using (var graph = new GvGraphView("Cil_Sample2_sppf.gv"))
{
var lang = Language.Get(typeof(ILLanguage));
sppf.WriteGraph(graph, lang.Grammar, true);
}
}
}