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authorBjörn Gustavsson <[email protected]>2016-02-18 15:55:44 +0100
committerBjörn Gustavsson <[email protected]>2016-02-18 15:55:44 +0100
commit517a4b9fb9bc62f6d172d13113526835f37cc396 (patch)
tree359ceaa8ff421de4dc2896e659b1f5161efb67ab /lib/stdlib/test
parent24f0d567ceffb0f1555bc3032b7801ba377e5a3b (diff)
parent1604b874828e8ef992c8e17e06e7af20a0f1574b (diff)
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Merge branch 'bjorn/stdlib/function-macro/OTP-13059'
* bjorn/stdlib/function-macro/OTP-13059: Implement ?FUNCTION_NAME and ?FUNCTION_ARITY macros epp: Refactor expand_macros()
Diffstat (limited to 'lib/stdlib/test')
-rw-r--r--lib/stdlib/test/epp_SUITE.erl91
1 files changed, 87 insertions, 4 deletions
diff --git a/lib/stdlib/test/epp_SUITE.erl b/lib/stdlib/test/epp_SUITE.erl
index da5a079303..0c00e104b7 100644
--- a/lib/stdlib/test/epp_SUITE.erl
+++ b/lib/stdlib/test/epp_SUITE.erl
@@ -27,7 +27,7 @@
pmod/1, not_circular/1, skip_header/1, otp_6277/1, otp_7702/1,
otp_8130/1, overload_mac/1, otp_8388/1, otp_8470/1,
otp_8562/1, otp_8665/1, otp_8911/1, otp_10302/1, otp_10820/1,
- otp_11728/1, encoding/1, extends/1]).
+ otp_11728/1, encoding/1, extends/1, function_macro/1]).
-export([epp_parse_erl_form/2]).
@@ -70,7 +70,7 @@ all() ->
not_circular, skip_header, otp_6277, otp_7702, otp_8130,
overload_mac, otp_8388, otp_8470, otp_8562,
otp_8665, otp_8911, otp_10302, otp_10820, otp_11728,
- encoding, extends].
+ encoding, extends, function_macro].
groups() ->
[{upcase_mac, [], [upcase_mac_1, upcase_mac_2]},
@@ -843,8 +843,9 @@ otp_8130(Config) when is_list(Config) ->
"t() -> ?a.\n"),
?line {ok,Epp} = epp:open(File, []),
PreDefMacs = macs(Epp),
- ['BASE_MODULE','BASE_MODULE_STRING','BEAM','FILE','LINE',
- 'MACHINE','MODULE','MODULE_STRING'] = PreDefMacs,
+ ['BASE_MODULE','BASE_MODULE_STRING','BEAM','FILE',
+ 'FUNCTION_ARITY','FUNCTION_NAME',
+ 'LINE','MACHINE','MODULE','MODULE_STRING'] = PreDefMacs,
?line {ok,[{'-',_},{atom,_,file}|_]} = epp:scan_erl_form(Epp),
?line {ok,[{'-',_},{atom,_,module}|_]} = epp:scan_erl_form(Epp),
?line {ok,[{atom,_,t}|_]} = epp:scan_erl_form(Epp),
@@ -1491,6 +1492,88 @@ extends(Config) ->
[] = run(Config, Ts),
ok.
+function_macro(Config) ->
+ Cs = [{f_c1,
+ <<"-define(FUNCTION_NAME, a).\n"
+ "-define(FUNCTION_ARITY, a).\n"
+ "-define(FS,\n"
+ " atom_to_list(?FUNCTION_NAME) ++ \"/\" ++\n"
+ " integer_to_list(?FUNCTION_ARITY)).\n"
+ "-attr({f,?FUNCTION_NAME}).\n"
+ "-attr2(?FS).\n"
+ "-file(?FUNCTION_ARITY, 1).\n"
+ "f1() ?FUNCTION_NAME/?FUNCTION_ARITY.\n"
+ "f2(?FUNCTION_NAME.\n">>,
+ {errors,[{1,epp,{redefine_predef,'FUNCTION_NAME'}},
+ {2,epp,{redefine_predef,'FUNCTION_ARITY'}},
+ {6,epp,{illegal_function,'FUNCTION_NAME'}},
+ {7,epp,{illegal_function,'FUNCTION_NAME'}},
+ {8,epp,{illegal_function,'FUNCTION_ARITY'}},
+ {9,erl_parse,["syntax error before: ","f1"]},
+ {10,erl_parse,["syntax error before: ","'.'"]}],
+ []}},
+
+ {f_c2,
+ <<"a({a) -> ?FUNCTION_NAME.\n"
+ "b(}{) -> ?FUNCTION_ARITY.\n"
+ "c(?FUNCTION_NAME, ?not_defined) -> ok.\n">>,
+ {errors,[{1,erl_parse,["syntax error before: ","')'"]},
+ {2,erl_parse,["syntax error before: ","'}'"]},
+ {3,epp,{undefined,not_defined,none}}],
+ []}},
+
+ {f_c3,
+ <<"?FUNCTION_NAME() -> ok.\n"
+ "?FUNCTION_ARITY() -> ok.\n">>,
+ {errors,[{1,epp,{illegal_function_usage,'FUNCTION_NAME'}},
+ {2,epp,{illegal_function_usage,'FUNCTION_ARITY'}}],
+ []}}
+ ],
+
+ [] = compile(Config, Cs),
+
+ Ts = [{f_1,
+ <<"t() -> {a,0} = a(), {b,1} = b(1), {c,2} = c(1, 2),\n"
+ " {d,1} = d({d,1}), {foo,1} = foo(foo), ok.\n"
+ "a() -> {?FUNCTION_NAME,?FUNCTION_ARITY}.\n"
+ "b(_) -> {?FUNCTION_NAME,?FUNCTION_ARITY}.\n"
+ "c(_, (_)) -> {?FUNCTION_NAME,?FUNCTION_ARITY}.\n"
+ "d({?FUNCTION_NAME,?FUNCTION_ARITY}=F) -> F.\n"
+ "-define(FOO, foo).\n"
+ "?FOO(?FOO) -> {?FUNCTION_NAME,?FUNCTION_ARITY}.\n">>,
+ ok},
+
+ {f_2,
+ <<"t() ->\n"
+ " A = {a,[<<0:24>>,#{a=>1,b=>2}]},\n"
+ " 1 = a(A),\n"
+ " ok.\n"
+ "a({a,[<<_,_,_>>,#{a:=1,b:=2}]}) -> ?FUNCTION_ARITY.\n">>,
+ ok},
+
+ {f_3,
+ <<"-define(FS,\n"
+ " atom_to_list(?FUNCTION_NAME) ++ \"/\" ++\n"
+ " integer_to_list(?FUNCTION_ARITY)).\n"
+ "t() ->\n"
+ " {t,0} = {?FUNCTION_NAME,?FUNCTION_ARITY},\n"
+ " \"t/0\" = ?FS,\n"
+ " ok.\n">>,
+ ok},
+
+ {f_4,
+ <<"-define(__, _, _).\n"
+ "-define(FF, ?FUNCTION_NAME, ?FUNCTION_ARITY).\n"
+ "a(?__) -> 2 = ?FUNCTION_ARITY.\n"
+ "b(?FUNCTION_ARITY, ?__) -> ok.\n"
+ "c(?FF) -> ok.\n"
+ "t() -> a(1, 2), b(3, 1, 2), c(c, 2), ok.\n">>,
+ ok}
+ ],
+ [] = run(Config, Ts),
+
+ ok.
+
check(Config, Tests) ->
eval_tests(Config, fun check_test/2, Tests).