public void TestParseException()
{
var rules = new Dictionary <Label, IDfa <Optional <Rule <Label> >, Label> >();
var dfa = new IntDfa();
rules.Add(Label.A, dfa);
var grammar = new CompiledGrammar <Label>()
{
Rules = rules, StartSymbol = Label.A
};
var parseTable =
new Dictionary <Tuple <IDfa <Optional <Rule <Label> >, Label>, IState, Label>, ParseAction <Label> >
{
{
new Tuple <IDfa <Optional <Rule <Label> >, Label>, IState, Label>(dfa, new IntState(0), Label.B),
new ParseAction <Label>()
{
Kind = ParseAction <Label> .ActionKind.Shift
}
}
};
var parser = new Parser <Label>(grammar, parseTable);
var tokens = new List <Token <Label> > {
new Token <Label>()
{
Category = Label.B
}
};
var diag = new Moq.Mock <IDiagnostics>();
Assert.ThrowsException <ParseException>(() => parser.Parse(tokens, diag.Object));
MockDiagnostics.Verify(diag, Parser <Label> .PrematureEofDiagnosticType);
}
public void TestInputRange()
{
var rules = new Dictionary <Label, IDfa <Optional <Rule <Label> >, Label> >();
var dfa = new IntDfa();
rules.Add(Label.A, dfa);
var grammar = new CompiledGrammar <Label>()
{
Rules = rules, StartSymbol = Label.A
};
var parseTable =
new Dictionary <Tuple <IDfa <Optional <Rule <Label> >, Label>, IState, Label>, ParseAction <Label> >
{
{
new Tuple <IDfa <Optional <Rule <Label> >, Label>, IState, Label>(dfa, new IntState(0), Label.B),
new ParseAction <Label> {
Kind = ParseAction <Label> .ActionKind.Shift
}
},
{
new Tuple <IDfa <Optional <Rule <Label> >, Label>, IState, Label>(dfa, new IntState(0), Label.Eof),
new ParseAction <Label> {
Kind = ParseAction <Label> .ActionKind.Reduce
}
}
};
var parser = new Parser <Label>(grammar, parseTable);
var tokenRange = new Range(new StringLocation(0), new StringLocation(1));
var tokens = new List <Token <Label> >
{
new Token <Label>
{
Category = Label.B,
InputRange = tokenRange
},
new Token <Label>
{
Category = Label.Eof
}
};
var root = parser.Parse(tokens, null);
Assert.AreEqual(tokenRange, root.InputRange);
}