if not check_virtual_types_circularity(npropdef, mpropdef.mproperty, mclassdef.bound_mtype, mclassdef.mmodule) then
# Invalidate the bound
mpropdef.is_broken = true
- mpropdef.bound = mclassdef.mmodule.model.null_type
+ mpropdef.bound = new MBottomType(mclassdef.mmodule.model)
end
end
for npropdef in nclassdef2.n_propdefs do
var sig = mpropdef.msignature
if sig == null then continue # Skip broken method
- for param in sig.mparameters do
- var ret_type = param.mtype
- var mparameter = new MParameter(param.name, ret_type, false)
- mparameters.add(mparameter)
- end
+ mparameters.add_all sig.mparameters
initializers.add(mpropdef.mproperty)
mpropdef.mproperty.is_autoinit = true
end
# nothing, always visible
else if mtype isa MNullType then
# nothing to do.
+ else if mtype isa MBottomType then
+ # nothing to do.
else
node.debug "Unexpected type {mtype}"
abort
var vt = t.mproperty
# Because `vt` is possibly unchecked, we have to do the bound-lookup manually
var defs = vt.lookup_definitions(mmodule, recv)
- # TODO something to manage correctly bound conflicts
- assert not defs.is_empty
+ if defs.is_empty then return false
nexts = new Array[MType]
for d in defs do
var next = defs.first.bound
end
end
- if mysignature.arity > 0 then
+ if nsig != null then
# Check parameters visibility
for i in [0..mysignature.arity[ do
var nt = nsig.n_params[i].n_type
end
is_lazy = true
var mlazyprop = new MAttribute(mclassdef, "lazy _" + name, none_visibility)
+ mlazyprop.is_fictive = true
var mlazypropdef = new MAttributeDef(mclassdef, mlazyprop, self.location)
+ mlazypropdef.is_fictive = true
self.mlazypropdef = mlazypropdef
end
modelbuilder.warning(n_id, "bad-type-name", "Warning: lowercase in the virtual type `{name}`.")
break
end
- if not self.check_redef_keyword(modelbuilder, mclassdef, self.n_kwredef, false, mprop) then return
else
- if not self.check_redef_keyword(modelbuilder, mclassdef, self.n_kwredef, true, mprop) then return
assert mprop isa MVirtualTypeProp
check_redef_property_visibility(modelbuilder, self.n_visibility, mprop)
end
- mclassdef.mprop2npropdef[mprop] = self
var mpropdef = new MVirtualTypeDef(mclassdef, mprop, self.location)
self.mpropdef = mpropdef
- modelbuilder.mpropdef2npropdef[mpropdef] = self
if mpropdef.is_intro then
modelbuilder.toolcontext.info("{mpropdef} introduces new type {mprop.full_name}", 4)
else
modelbuilder.toolcontext.info("{mpropdef} redefines type {mprop.full_name}", 4)
end
+ if not self.check_redef_keyword(modelbuilder, mclassdef, self.n_kwredef, not mpropdef.is_intro, mprop) then
+ mpropdef.is_broken =true
+ end
+ mclassdef.mprop2npropdef[mprop] = self
+ modelbuilder.mpropdef2npropdef[mpropdef] = self
set_doc(mpropdef, modelbuilder)
var atfixed = get_single_annotation("fixed", modelbuilder)
# Check redefinitions
for p in mpropdef.mproperty.lookup_super_definitions(mmodule, anchor) do
var supbound = p.bound
- if supbound == null then break # broken super bound, skip error
+ if supbound == null or supbound isa MBottomType or p.is_broken then break # broken super bound, skip error
if p.is_fixed then
modelbuilder.error(self, "Redef Error: virtual type `{mpropdef.mproperty}` is fixed in super-class `{p.mclassdef.mclass}`.")
break