if i == null and not self.is_escaping then
n.debug("inconsitance: no value and not escaping.")
end
+ var implicit_cast_to = n.implicit_cast_to
+ if implicit_cast_to != null then
+ var mtype = self.unanchor_type(implicit_cast_to)
+ if not self.is_subtype(i.mtype, mtype) then n.fatal(self, "Cast failed")
+ end
+
#n.debug("OUT Execute expr: value is {i}")
#if not is_subtype(i.mtype, n.mtype.as(not null)) then n.debug("Expected {n.mtype.as(not null)} got {i}")
frame.current_node = old
var mproperty = mpropdef.mproperty
if self.modelbuilder.mpropdef2npropdef.has_key(mpropdef) then
var npropdef = self.modelbuilder.mpropdef2npropdef[mpropdef]
+ self.parameter_check(npropdef, mpropdef, args)
return npropdef.call(self, mpropdef, args)
else if mproperty.name == "init" then
var nclassdef = self.modelbuilder.mclassdef2nclassdef[mpropdef.mclassdef]
+ self.parameter_check(nclassdef, mpropdef, args)
return nclassdef.call(self, mpropdef, args)
else
fatal("Fatal Error: method {mpropdef} not found in the AST")
end
end
+ # Generate type checks in the C code to check covariant parameters
+ fun parameter_check(node: ANode, mpropdef: MMethodDef, args: Array[Instance])
+ do
+ var msignature = mpropdef.msignature
+ for i in [0..msignature.arity[ do
+ # skip test for vararg since the array is instantiated with the correct polymorphic type
+ if msignature.vararg_rank == i then continue
+
+ # skip if the cast is not required
+ var origmtype = mpropdef.mproperty.intro.msignature.mparameters[i].mtype
+ if not origmtype.need_anchor then continue
+
+ # get the parameter type
+ var mtype = msignature.mparameters[i].mtype
+ var anchor = args.first.mtype.as(MClassType)
+ mtype = mtype.anchor_to(self.mainmodule, anchor)
+ if not args[i+1].mtype.is_subtype(self.mainmodule, anchor, mtype) then
+ node.fatal(self, "Cast failed")
+ end
+ end
+ end
+
fun call_closure(closure: ClosureInstance, args: Array[Instance]): nullable Instance
do
var nclosuredef = closure.nclosuredef
fatal("Reciever is null")
abort
end
- var propdefs = mproperty.lookup_definitions(self.mainmodule, mtype)
- if propdefs.length > 1 then
- fatal("NOT YET IMPLEMETED ERROR: Property conflict: {propdefs.join(", ")}")
- abort
- end
- assert propdefs.length == 1 else
- fatal("Fatal Error: No property '{mproperty}' for '{recv}'")
- abort
- end
- var propdef = propdefs.first
+ var propdef = mproperty.lookup_first_definition(self.mainmodule, mtype)
return self.call(propdef, args)
end
if cache.has_key(mtype) then return cache[mtype]
var res = new Array[AAttrPropdef]
- for cd in mtype.collect_mclassdefs(self.mainmodule)
- do
+ var cds = mtype.collect_mclassdefs(self.mainmodule).to_a
+ self.mainmodule.linearize_mclassdefs(cds)
+ for cd in cds do
var n = self.modelbuilder.mclassdef2nclassdef[cd]
for npropdef in n.n_propdefs do
if npropdef isa AAttrPropdef then
end
else if pname == "output_class_name" then
var recv = args.first
- print recv.mtype.as(MClassType).mclass
+ print recv.mtype
return null
else if pname == "native_class_name" then
var recv = args.first
- var txt = recv.mtype.as(MClassType).mclass.to_s
+ var txt = recv.mtype.to_s
return v.native_string_instance(txt)
else if pname == "==" then
# == is correclt redefined for instances
else if pname == "system" then
var res = sys.system(recvval.to_s)
return v.int_instance(res)
+ else if pname == "atof" then
+ return v.float_instance(recvval.to_f)
end
else if cname == "Int" then
if pname == "rand" then
# stantard call-next-method
var mpropdef = v.frame.mpropdef
# FIXME: we do not want an ugly static call!
- var mpropdefs = mpropdef.mproperty.lookup_super_definitions(mpropdef.mclassdef.mmodule, mpropdef.mclassdef.bound_mtype)
- if mpropdefs.length != 1 then
- debug("Warning: NOT YET IMPLEMENTED: multiple MPRODFEFS for super {mpropdef} for {recv}: {mpropdefs.join(", ")}")
- end
- mpropdef = mpropdefs.first
+ mpropdef = mpropdef.lookup_next_definition(v.mainmodule, recv.mtype)
assert mpropdef isa MMethodDef
var res = v.call(mpropdef, args)
return res
do
var recv = v.expr(self.n_expr)
if recv == null then return null
+ if recv.mtype isa MNullType then fatal(v, "Reciever is null")
var mproperty = self.mproperty.as(not null)
return v.read_attribute(mproperty, recv)
end
do
var recv = v.expr(self.n_expr)
if recv == null then return
+ if recv.mtype isa MNullType then fatal(v, "Reciever is null")
var i = v.expr(self.n_value)
if i == null then return
var mproperty = self.mproperty.as(not null)
do
var recv = v.expr(self.n_expr)
if recv == null then return
+ if recv.mtype isa MNullType then fatal(v, "Reciever is null")
var value = v.expr(self.n_value)
if value == null then return
var mproperty = self.mproperty.as(not null)
do
var recv = v.expr(self.n_expr)
if recv == null then return null
+ if recv.mtype isa MNullType then fatal(v, "Reciever is null")
var mproperty = self.mproperty.as(not null)
assert recv isa MutableInstance
return v.bool_instance(recv.attributes.has_key(mproperty))
nitlanguage / nit.git / blobdiff