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81 lines
2.9 KiB
C
81 lines
2.9 KiB
C
/* Control warning output in GNU Make.
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Copyright (C) 2023-2024 Free Software Foundation, Inc.
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This file is part of GNU Make.
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GNU Make is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3 of the License, or (at your option) any later
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version.
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GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Types of warnings we can show. */
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enum warning_type
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{
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wt_invalid_var = 0, /* Assign to an invalid variable name. */
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wt_invalid_ref, /* Reference an invalid variable name. */
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wt_undefined_var, /* Reference an undefined variable name. */
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wt_max
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};
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/* Action taken for a given warning. */
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enum warning_action
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{
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w_unset = 0,
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w_ignore,
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w_warn,
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w_error
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};
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struct warning_data
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{
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enum warning_action global; /* Global setting. */
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enum warning_action actions[wt_max]; /* Action for each warning type. */
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};
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/* Actions taken for each warning. */
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extern enum warning_action warnings[wt_max];
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/* Get the current action for a given warning. */
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#define warn_get(_w) (warnings[_w])
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/* Set the current actin for a given warning. Can't use w_unset here.
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This should only be used for temporary resetting of warnings. */
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#define warn_set(_w,_f) do{ warnings[_w] = (_f); }while(0)
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/* True if we should check for the warning in the first place. */
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#define warn_check(_w) (warn_get (_w) > w_ignore)
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/* Check if the warning is ignored. */
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#define warn_ignored(_w) (warn_get (_w) == w_ignore)
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/* Check if the warning is in "warn" mode. */
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#define warn_warned(_w) (warn_get (_w) == w_warn)
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/* Check if the warning is in "error" mode. */
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#define warn_error(_w) (warn_get (_w) == w_error)
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void warn_init (void);
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void decode_warn_actions (const char *value, const floc *flocp);
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char *encode_warn_flag (char *fp);
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void warn_get_vardata (struct warning_data *data);
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void warn_set_vardata (const struct warning_data *data);
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#define warning(_t,_f,_m) \
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do{ \
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if (warn_check (_t)) \
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{ \
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char *_a = xstrdup (_m); \
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if (warn_error (_t)) \
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fatal (_f, strlen (_a), "%s", _a); \
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error (_f, strlen (_a), _("warning: %s"), _a); \
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free (_a); \
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} \
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}while(0)
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