Example #1
0
        public void Grammar_WithStartRule_ReturnsStartRefOnStart()
        {
            var grammar = new AdHocGrammar();

            grammar.TerminalType("A", "start");
            grammar.StartWith("start");

            var ruleRef = grammar.Start();

            ruleRef.Should().NotBeNull();
            ruleRef.RefName.Should().Be("start");
            ruleRef.Name.Should().Be("start");
        }
Example #2
0
        public void EvaluatingGrammar_WithMockRule_RunsMockRule()
        {
            var mockRule = new MockRule("mock", MockRuleBehavior.Success);
            var grammar  = new AdHocGrammar();

            grammar.DefineRule("start", mockRule);
            grammar.StartWith("start");
            var lexer   = StaticLexer.FromWords();
            var opsMock = new RuleOperationsMock(new TokenStream(lexer).Start());

            var ruleRef = grammar.Start();
            var result  = opsMock.Evaluate(ruleRef).Result;

            result.IsSuccess.Should().BeTrue();
            mockRule.DidGrab.Should().BeTrue();
            result.Index.Index.Should().Be(0);
        }