public override Tree VisitExpression(ExpressionContext context)
{
PrimaryContext primaryCtx = context.primary();
if (primaryCtx != null)
{
Expression expr = (Expression)VisitPrimary(primaryCtx);
FuncInvocationContext methodInvocation = context.funcInvocation();
if (methodInvocation != null)
{
expr = makeMethodInvocation(expr, methodInvocation);
}
return(expr);
}
FuncInvocationContext invocation = context.funcInvocation();
if (invocation != null)
{
return((Expression)VisitFuncInvocation(invocation));
}
if (context.NEW() != null)
{
return(context.Identifier() != null
? makeNewStruct(context)
: makeNewArray(context));
}
if (context.index != null)
{
return(makeArrayIndex(context));
}
IToken postfix = context.postfix;
if (postfix != null)
{
return(makeUnary(context, postfix.Type));
}
IToken prefix = context.prefix;
if (prefix != null)
{
return(makeUnary(context, prefix.Type));
}
IToken binOp = context.bop;
if (binOp != null)
{
if (binOp.Type == DOT)
{
return(makeSelect(context));
}
return(context.isAssignment
? makeAssignment(context)
: makeBinary(context));
}
return(makeConditional(context));
}
public void Initialization()
{
var method = (MethodInfo)MethodInfo.GetCurrentMethod();
var invocationContext = new FuncInvocationContext <ValidationContextTest, string, int> (method, this, "123")
{
ReturnValue = 12
};
var validationContext = new ValidationContext(invocationContext);
Assert.That(validationContext.Method, Is.SameAs(method));
Assert.That(validationContext.Instance, Is.SameAs(this));
Assert.That(validationContext.Arguments, Is.EquivalentTo(new[] { "123" }));
Assert.That(validationContext.ReturnValue, Is.EqualTo(12));
}
private void prepareInvocation(FuncInvocationContext context, out IToken funcName, out Expression[] args,
out int endLine, out int endCol)
{
funcName = context.neme;
ArgumentListContext argumentList = context.argumentList();
IList <ExpressionContext> parsedArgs = argumentList != null
? argumentList._args
: CollectionUtils.emptyList <ExpressionContext>();
args = new Expression[parsedArgs.Count];
for (var i = 0; i < parsedArgs.Count; i++)
{
args[i] = (Expression)VisitExpression(parsedArgs[i]);
}
IToken stopToken = context.Stop;
endLine = stopToken.Line;
endCol = stopToken.StopIndex - stopToken.StartIndex + 1;
}
private MethodInvocation makeMethodInvocation(Expression receiver, FuncInvocationContext invocation)
{
prepareInvocation(invocation, out IToken funcName, out Expression[] args, out int endLine, out int endCol);
return(new MethodInvocation(funcName.Line, funcName.Column, endLine, endCol, receiver, funcName.Text, args));
}
public override Tree VisitFuncInvocation(FuncInvocationContext context)
{
prepareInvocation(context, out IToken funcName, out Expression[] args, out int endLine, out int endCol);
return(new FuncInvocation(funcName.Line, funcName.Column, endLine, endCol, funcName.Text, args));
}
