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")
+ if not self.is_subtype(i.mtype, mtype) then n.fatal(self, "Cast failed. Expected `{implicit_cast_to}`, got `{i.mtype}`")
end
#n.debug("OUT Execute expr: value is {i}")
# Store known method, used to trace methods as thez are reached
var discover_call_trace: Set[MMethodDef] = new HashSet[MMethodDef]
- # Execute `mpropdef` for a `args` (where `args[0]` is the receiver).
- # Return a falue if `mpropdef` is a function, or null if it is a procedure.
- # The call is direct/static. There is no message-seding/late-binding.
- fun call(mpropdef: MMethodDef, args: Array[Instance]): nullable Instance
+ # Common code for calls to injected methods and normal methods
+ fun call_commons(mpropdef: MMethodDef, args: Array[Instance]): Array[Instance]
do
var vararg_rank = mpropdef.msignature.vararg_rank
if vararg_rank >= 0 then
args.add(rawargs[i+1])
end
end
+ return args
+ end
+
+ # Execute `mpropdef` for a `args` (where `args[0]` is the receiver).
+ # Return a falue if `mpropdef` is a function, or null if it is a procedure.
+ # The call is direct/static. There is no message-seding/late-binding.
+ fun call(mpropdef: MMethodDef, args: Array[Instance]): nullable Instance
+ do
+ args = call_commons(mpropdef, args)
return call_without_varargs(mpropdef, args)
end
# 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")
+ var amtype = mtype.anchor_to(self.mainmodule, anchor)
+ if not args[i+1].mtype.is_subtype(self.mainmodule, anchor, amtype) then
+ node.fatal(self, "Cast failed. Expected `{mtype}`, got `{args[i+1].mtype}`")
end
end
end
- # Execute `mproperty` for a `args` (where `args[0]` is the receiver).
- # Return a falue if `mproperty` is a function, or null if it is a procedure.
- # The call is polimotphic. There is a message-seding/late-bindng according to te receiver (args[0]).
- fun send(mproperty: MMethod, args: Array[Instance]): nullable Instance
+ # Common code for runtime injected calls and normal calls
+ fun send_commons(mproperty: MMethod, args: Array[Instance], mtype: MType): nullable Instance
do
- var recv = args.first
- var mtype = recv.mtype
if mtype isa MNullType then
if mproperty.name == "==" then
return self.bool_instance(args[0] == args[1])
end
#fatal("Reciever is null. {mproperty}. {args.join(" ")} {self.frame.current_node.class_name}")
fatal("Reciever is null")
- abort
end
+ return null
+ end
+
+ # Execute `mproperty` for a `args` (where `args[0]` is the receiver).
+ # Return a falue if `mproperty` is a function, or null if it is a procedure.
+ # The call is polimotphic. There is a message-seding/late-bindng according to te receiver (args[0]).
+ fun send(mproperty: MMethod, args: Array[Instance]): nullable Instance
+ do
+ var recv = args.first
+ var mtype = recv.mtype
+ var ret = send_commons(mproperty, args, mtype)
+ if ret != null then return ret
var propdef = mproperty.lookup_first_definition(self.mainmodule, mtype)
return self.call(propdef, args)
end
fun is_true: Bool do abort
# Return true if `self` IS `o` (using the Nit semantic of is)
- fun eq_is(o: Instance): Bool do return self is o
+ fun eq_is(o: Instance): Bool do return self.is_same_instance(o)
# Human readable object identity "Type#number"
redef fun to_s do return "{mtype}"
redef fun eq_is(o)
do
if not o isa PrimitiveInstance[Object] then return false
- return self.val is o.val
+ return self.val.is_same_instance(o.val)
end
redef fun to_s do return "{mtype}#{val.object_id}({val})"
end
redef class AConcreteMethPropdef
+
redef fun call(v, mpropdef, args)
do
var f = new Frame(self, self.mpropdef.as(not null), args)
+ call_commons(v, mpropdef, args, f)
+ v.frames.shift
+ if v.returnmark == f then
+ v.returnmark = null
+ var res = v.escapevalue
+ v.escapevalue = null
+ return res
+ end
+ return null
+ end
+
+ private fun call_commons(v: NaiveInterpreter, mpropdef: MMethodDef, args: Array[Instance], f: Frame)
+ do
for i in [0..mpropdef.msignature.arity[ do
var variable = self.n_signature.n_params[i].variable
assert variable != null
end
v.stmt(self.n_block)
- v.frames.shift
- if v.returnmark == f then
- v.returnmark = null
- var res = v.escapevalue
- v.escapevalue = null
- return res
- end
- return null
end
end
return v.bool_instance(args[0] != args[1])
else if pname == "is_same_type" then
return v.bool_instance(args[0].mtype == args[1].mtype)
+ else if pname == "is_same_instance" then
+ return v.bool_instance(args[1] != null and args[0].eq_is(args[1]))
else if pname == "exit" then
exit(args[1].to_i)
abort
redef class ADeferredMethPropdef
redef fun call(v, mpropdef, args)
do
- fatal(v, "Deferred method called")
+ fatal(v, "Abstract method `{mpropdef.mproperty.name}` called on `{args.first.mtype}`")
abort
end
end
end
end
-redef class AEeExpr
- redef fun expr(v)
- do
- var i = v.expr(self.n_expr)
- if i == null then return null
- var i2 = v.expr(self.n_expr2)
- if i2 == null then return null
- return v.bool_instance(i.eq_is(i2))
- end
-end
-
redef class AIntExpr
redef fun expr(v)
do
do
var i = v.expr(self.n_expr)
if i == null then return null
- var mtype = v.unanchor_type(self.mtype.as(not null))
- if not v.is_subtype(i.mtype, mtype) then
- #fatal(v, "Cast failed expected {mtype}, got {i}")
- fatal(v, "Cast failed")
+ var mtype = self.mtype.as(not null)
+ var amtype = v.unanchor_type(mtype)
+ if not v.is_subtype(i.mtype, amtype) then
+ fatal(v, "Cast failed. Expected `{amtype}`, got `{i.mtype}`")
end
return i
end
nitlanguage / nit.git / blobdiff