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src: intro `call_extern` in interpreter
[nit.git]
/
src
/
interpreter
/
naive_interpreter.nit
diff --git
a/src/interpreter/naive_interpreter.nit
b/src/interpreter/naive_interpreter.nit
index
16e0b48
..
b1cd48d
100644
(file)
--- a/
src/interpreter/naive_interpreter.nit
+++ b/
src/interpreter/naive_interpreter.nit
@@
-800,13
+800,21
@@
redef class AMethPropdef
if mpropdef.is_intern then
fatal(v, "NOT YET IMPLEMENTED intern {mpropdef}")
else if mpropdef.is_extern then
if mpropdef.is_intern then
fatal(v, "NOT YET IMPLEMENTED intern {mpropdef}")
else if mpropdef.is_extern then
- fatal(v, "NOT YET IMPLEMENTED extern {mpropdef}")
+ var res = call_extern(v, mpropdef, arguments, f)
+ if res != v.error_instance then return res
else
fatal(v, "NOT YET IMPLEMENTED <wat?> {mpropdef}")
end
abort
end
else
fatal(v, "NOT YET IMPLEMENTED <wat?> {mpropdef}")
end
abort
end
+ # Call this extern method
+ protected fun call_extern(v: NaiveInterpreter, mpropdef: MMethodDef, arguments: Array[Instance], f: Frame): nullable Instance
+ do
+ fatal(v, "NOT YET IMPLEMENTED extern {mpropdef}")
+ return v.error_instance
+ end
+
# Interprets a intern or a shortcut extern method.
# Returns the result for a function, `null` for a procedure, or `error_instance` if the method is unknown.
private fun intern_call(v: NaiveInterpreter, mpropdef: MMethodDef, args: Array[Instance]): nullable Instance
# Interprets a intern or a shortcut extern method.
# Returns the result for a function, `null` for a procedure, or `error_instance` if the method is unknown.
private fun intern_call(v: NaiveInterpreter, mpropdef: MMethodDef, args: Array[Instance]): nullable Instance