protected override void VisitCastDefinitionSyntax(CastDefinitionSyntax pNode)
{
using (var rf = Store.AddValue("ReturnFound", false))
{
using (var rvc = Store.AddValue("ReturnValueCount", pNode.ReturnValues.Count))
{
base.VisitCastDefinitionSyntax(pNode);
if (pNode.ReturnValues.Count != 0 && !rf.Value)
{
CompilerErrors.MethodReturnPaths(pNode, pNode.Span);
}
else if (pNode.ReturnValues.Count == 0 && rf.Value)
{
CompilerErrors.MethodNoReturn(pNode, pNode.Span);
}
}
}
}
protected override void VisitMethodSyntax(MethodSyntax pNode)
{
if (pNode.External)
{
KeyAnnotations.ValidateExternalAnnotation(pNode.Annotation, pNode);
}
//Validate that one and only 1 method is annotated with "run"
//This method must contain no parameters and return no values
if (pNode.Annotation.Value == KeyAnnotations.RunMethod)
{
if (Store.GetValue <string>("RunMethod") != null)
{
CompilerErrors.RunMethodDuplicate(Store.GetValue <string>("RunMethod"), pNode.Name, pNode.Span);
return;
}
Store.SetValue("RunMethod", pNode.Name);
if (pNode.Parameters.Count != 0)
{
CompilerErrors.RunMethodParameters(pNode.Span);
}
if (pNode.ReturnValues.Count != 0)
{
CompilerErrors.RunMethodReturn(pNode.Span);
}
}
using (var ic = Store.AddValue("InConstructor", pNode.Annotation.Value == KeyAnnotations.Constructor))
{
using (var rf = Store.AddValue("ReturnFound", false))
{
using (var rvc = Store.AddValue("ReturnValueCount", pNode.ReturnValues.Count))
{
_usedFields = new HashSet <string>();
base.VisitMethodSyntax(pNode);
//Validate that all paths return a value
if (pNode.Body != null)
{
if (pNode.ReturnValues.Count != 0 && !rf.Value)
{
CompilerErrors.MethodReturnPaths(pNode, pNode.Span);
}
else if (pNode.ReturnValues.Count == 0 && rf.Value)
{
CompilerErrors.MethodNoReturn(pNode, pNode.Span);
}
}
}
}
if (ic.Value)
{
SmallType s = Struct;
if (s != null)
{
foreach (var f in s.GetFields())
{
if (!_usedFields.Contains(f.Name))
{
CompilerErrors.FieldNotInitialized(f.Name, pNode.Span);
}
}
}
}
}
}