private void BuildEnumerableExpression(IEnumerable <Token> tokens, Expression parent)
{
if (parent == null)
{
_graph.Add(new EnumerableExpression());
BuildUp(tokens, _graph.Current);
}
else
{
var enumerableExpression = new EnumerableExpression();
parent.AddChild(enumerableExpression);
BuildUp(tokens, enumerableExpression);
}
}
public void ParserShouldCallCompiler()
{
var lexer = MockRepository.GenerateStub <ILexer>();
var tokens = new List <Token>();
lexer.Stub(x => x.Tokenize("ABC")).Return(tokens);
var expectedGraph = new ExGraph();
expectedGraph.Add(new StringExpression("asdf"));
var graphBuilder = MockRepository.GenerateStub <IExpressionGraphBuilder>();
graphBuilder.Stub(x => x.Build(tokens)).Return(expectedGraph);
var compiler = MockRepository.GenerateStub <IExpressionCompiler>();
compiler.Stub(x => x.Compile(expectedGraph.Expressions)).Return(new CompileResult(0, DataType.Integer));
_parser.Configure(config =>
{
config
.SetLexer(lexer)
.SetGraphBuilder(graphBuilder)
.SetExpresionCompiler(compiler);
});
_parser.Parse("ABC");
compiler.AssertWasCalled(x => x.Compile(expectedGraph.Expressions));
}
public void ShouldCompileTwoInterExpressionsToCorrectResult()
{
var exp1 = new IntegerExpression("2");
exp1.Operator = Operator.Plus;
_graph.Add(exp1);
var exp2 = new IntegerExpression("2");
_graph.Add(exp2);
var result = _expressionCompiler.Compile(_graph.Expressions);
Assert.AreEqual(4d, result.Result);
}
public void ParserShouldCallCompiler()
{
var lexer = MockRepository.GenerateStub<ILexer>();
var tokens = new List<Token>();
lexer.Stub(x => x.Tokenize("ABC")).Return(tokens);
var expectedGraph = new ExGraph();
expectedGraph.Add(new StringExpression("asdf"));
var graphBuilder = MockRepository.GenerateStub<IExpressionGraphBuilder>();
graphBuilder.Stub(x => x.Build(tokens)).Return(expectedGraph);
var compiler = MockRepository.GenerateStub<IExpressionCompiler>();
compiler.Stub(x => x.Compile(expectedGraph.Expressions)).Return(new CompileResult(0, DataType.Integer));
_parser.Configure(config =>
{
config
.SetLexer(lexer)
.SetGraphBuilder(graphBuilder)
.SetExpresionCompiler(compiler);
});
_parser.Parse("ABC");
compiler.AssertWasCalled(x => x.Compile(expectedGraph.Expressions));
}
