for i in [0..mysignature.arity[ do
var myt = mysignature.mparameters[i].mtype
var prt = msignature.mparameters[i].mtype
- if not myt.is_subtype(mmodule, mclassdef.bound_mtype, prt) or
- not prt.is_subtype(mmodule, mclassdef.bound_mtype, myt) then
- modelbuilder.error(nsig.n_params[i], "Redef Error: Wrong type for parameter `{mysignature.mparameters[i].name}'. found {myt}, expected {prt} as in {mpropdef.mproperty.intro}.")
+ var node = nsig.n_params[i]
+ if not modelbuilder.check_sametype(node, mmodule, mclassdef.bound_mtype, myt, prt) then
+ modelbuilder.error(node, "Redef Error: Wrong type for parameter `{mysignature.mparameters[i].name}'. found {myt}, expected {prt} as in {mpropdef.mproperty.intro}.")
end
end
end
if precursor_ret_type != null then
+ var node: nullable ANode = null
+ if nsig != null then node = nsig.n_type
+ if node == null then node = self
if ret_type == null then
# Inherit the return type
ret_type = precursor_ret_type
- else if not ret_type.is_subtype(mmodule, mclassdef.bound_mtype, precursor_ret_type) then
- modelbuilder.error(nsig.n_type.as(not null), "Redef Error: Wrong return type. found {ret_type}, expected {precursor_ret_type} as in {mpropdef.mproperty.intro}.")
+ else if not modelbuilder.check_subtype(node, mmodule, mclassdef.bound_mtype, ret_type, precursor_ret_type) then
+ modelbuilder.error(node, "Redef Error: Wrong return type. found {ret_type}, expected {precursor_ret_type} as in {mpropdef.mproperty.intro}.")
end
end
end
for i in [0..mysignature.arity[ do
var myt = mysignature.mparameters[i].mtype
var prt = msignature.mparameters[i].mtype
- if not myt.is_subtype(mmodule, mclassdef.bound_mtype, prt) or
- not prt.is_subtype(mmodule, mclassdef.bound_mtype, myt) then
- var node: ANode
- if nsig != null then node = nsig else node = self
+ var node: ANode
+ if nsig != null then node = nsig else node = self
+ if not modelbuilder.check_sametype(node, mmodule, mclassdef.bound_mtype, myt, prt) then
modelbuilder.error(node, "Redef Error: Wrong type for parameter `{mysignature.mparameters[i].name}'. found {myt}, expected {prt}.")
end
end
end
if precursor_ret_type != null then
+ var node: ANode
+ if nsig != null then node = nsig else node = self
if ret_type == null then
# Inherit the return type
ret_type = precursor_ret_type
- else if not ret_type.is_subtype(mmodule, mclassdef.bound_mtype, precursor_ret_type) then
- var node: ANode
- if nsig != null then node = nsig else node = self
+ else if not modelbuilder.check_subtype(node, mmodule, mclassdef.bound_mtype, ret_type, precursor_ret_type) then
modelbuilder.error(node, "Redef Error: Wrong return type. found {ret_type}, expected {precursor_ret_type}.")
end
end
modelbuilder.warning(n_type, "refine-type", "Redef Error: a virtual type cannot be refined.")
break
end
- if not bound.is_subtype(mmodule, anchor, supbound) then
+ if not modelbuilder.check_subtype(n_type, mmodule, anchor, bound, supbound) then
modelbuilder.error(n_type, "Redef Error: Wrong bound type. Found {bound}, expected a subtype of {supbound}, as in {p}.")
break
end