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warn about typed mid-rule actions in Yacc mode

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* src/reader.c (grammar_current_rule_action_append): Warn.
* tests/input.at (AT_CHECK_UNUSED_VALUES): Check.
This commit is contained in:
Akim Demaille
2018-08-05 10:18:52 +02:00
parent 11548b8e68
commit f18f71cfb0
2 changed files with 25 additions and 0 deletions
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3
src/reader.c
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@@ -528,6 +528,9 @@ grammar_current_rule_action_append (const char *action, location loc,
{
if (current_rule->action_props.code)
grammar_midrule_action ();
if (type)
complain (&loc, Wyacc,
_("POSIX Yacc does not support typed midrule actions"));
/* After all symbol declarations have been parsed, packgram invokes
code_props_translate_code. */
code_props_rule_action_init (&current_rule->action_props, action, loc,

22
tests/input.at
View File

@@ -343,6 +343,28 @@ input.y:26.40-42: warning: unset value: $][$ [-Wother]
o: INT | INT <integer>{ } INT <integer>{ } INT { $][$ = $][1 + $][2 + $][3 + $][4 + $][5; };
^^^
]])
AT_BISON_CHECK([-Wnone,yacc -fcaret input.y],
[0], [],
[[input.y:24.23-34: warning: POSIX Yacc does not support typed midrule actions [-Wyacc]
m: INT | INT <integer>{ $][$ = $][1; } INT <integer>{ $][$ = $][2 + $][3; } INT { $][$ = $][4 + $][5; };
^^^^^^^^^^^^
input.y:24.49-65: warning: POSIX Yacc does not support typed midrule actions [-Wyacc]
m: INT | INT <integer>{ $][$ = $][1; } INT <integer>{ $][$ = $][2 + $][3; } INT { $][$ = $][4 + $][5; };
^^^^^^^^^^^^^^^^^
input.y:25.23-25: warning: POSIX Yacc does not support typed midrule actions [-Wyacc]
n: INT | INT <integer>{ } INT <integer>{ } INT { };
^^^
input.y:25.40-42: warning: POSIX Yacc does not support typed midrule actions [-Wyacc]
n: INT | INT <integer>{ } INT <integer>{ } INT { };
^^^
input.y:26.23-25: warning: POSIX Yacc does not support typed midrule actions [-Wyacc]
o: INT | INT <integer>{ } INT <integer>{ } INT { $][$ = $][1 + $][2 + $][3 + $][4 + $][5; };
^^^
input.y:26.40-42: warning: POSIX Yacc does not support typed midrule actions [-Wyacc]
o: INT | INT <integer>{ } INT <integer>{ } INT { $][$ = $][1 + $][2 + $][3 + $][4 + $][5; };
^^^
]])
])
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