Files
mercury/tests/invalid/multimode_syntax.m
Fergus Henderson ce7a41620d Add some test cases for my recent change to add support
Estimated hours taken: 2
Branches: main

tests/hard_coded/Mmakefile:
tests/hard_coded/multimode.m:
tests/hard_coded/multimode.exp:
tests/invalid/Mmakefile:
tests/invalid/multimode_missing_impure.m:
tests/invalid/multimode_missing_impure.err_exp:
tests/invalid/multimode_dcg.m:
tests/invalid/multimode_dcg.err_exp:
tests/invalid/multimode_syntax.m:
tests/invalid/multimode_syntax.err_exp:
	Add some test cases for my recent change to add support
	for using different clauses for different modes.
2001-05-16 17:28:43 +00:00

56 lines
1.7 KiB
Mathematica

:- module multimode_syntax.
:- interface.
:- import_module io.
:- pred main(state::di, state::uo) is det.
:- implementation.
main --> [].
:- func func0 = string.
:- mode func0 = out is det.
func0 = "func0 = out" :: out. % missing parentheses
:- func func1(int) = string.
:- mode func1(in) = out is det.
:- mode func1(out) = out is det.
func1(_::in) = "func1(in) = out". % missing mode annotation on return value
func1(0) = ("func1(out) = out" :: out). % missing mode annotation on argument
:- func func2(int, int) = string.
:- mode func2(in, in) = out is det.
func2(_::in, _::in) = (R::out) :-
R = "func2(in, in) = out".
func2(_::in, 0::out) = (R::out) :- % reference to undeclared mode
R = "func2(in, out) = out".
func2(0::out, _::in) = (R::out) :-
R = "func2(out, in) = out".
func2(0::out, 0::out) = (R::out) :-
R = "func2(out, out) = out".
:- func func2b(int, int) = string.
func2b(_::in, _::out) = (R::out) :- % another reference to undeclared mode
R = "func3(in, out) = out".
:- impure pred pred2b(int, int).
pred2b(_::in, 0::out) :- % another reference to undeclared mode
impure puts("func3(in, out) = out").
:- impure pred test2(int, int).
:- mode test2(in, in) is det.
:- mode test2(in, out) is det.
:- mode test2(out, in) is det.
:- mode test2(out, out) is det.
test2(_::in, _) :- % missing mode annotation on 2nd arg
impure puts("test2(in, in)").
test2(_, 0::out) :- % missing mode annotation on 1st arg
impure puts("test2(in, out)").
test2(0::out, _::in) :-
impure puts("test2(out, in)").
test2(0::out, 0::out) :-
impure puts("test2(out, out)").
:- impure pred puts(string::in) is det.
:- pragma c_code(puts(S::in), [will_not_call_mercury], "puts(S)").