public MidFieldRef FieldRef(
SourceRange range,
MidPath obj,
MidFieldDecl decl)
{
return((MidFieldRef)_fieldRefs.Get(obj).Get(decl).Cache(
() => new MidFieldRef(range, obj, decl)));
}
public MidAttributeFetch AttributeFetch(
SourceRange range,
MidPath obj,
MidAttributeDecl attribute)
{
return((MidAttributeFetch)_attrFetches.Get(obj).Get(attribute).Cache(
() => new MidAttributeFetch(range, obj, attribute, _lazyFactory)));
}
public MidFieldRef(
SourceRange range,
MidPath obj,
MidFieldDecl decl)
: base(range, decl.Type)
{
_obj = obj;
_decl = decl;
}
public MidAttributeFetch(
SourceRange range,
MidPath obj,
MidType type,
ILazy <MidAttributeDecl> attribute)
: base(range, new MidDummyType())
{
_obj = obj;
_type = Lazy.Value(type);
_attribute = attribute;
}
public MidAttributeFetch(
SourceRange range,
MidPath obj,
MidAttributeDecl attribute,
ILazyFactory lazyFactory)
: base(range, new MidDummyType())
{
_obj = obj;
_type = lazyFactory.New(() => _attribute.Value.Type);
_attribute = Lazy.Value(attribute);
}
private MidExp TryFoldPath(
MidVar var,
MidExp exp,
MidPath path)
{
if (exp is MidFieldRef)
{
var midFieldRef = (MidFieldRef)exp;
if (midFieldRef.Obj is MidVarRef)
{
var midVarRef = (MidVarRef)midFieldRef.Obj;
if (midVarRef.Var == var)
{
midFieldRef.Obj = path;
return(midFieldRef);
}
}
}
return(exp);
}