diff options
Diffstat (limited to 'src/warning.h')
-rw-r--r-- | src/warning.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/warning.h b/src/warning.h new file mode 100644 index 00000000..778ee407 --- /dev/null +++ b/src/warning.h @@ -0,0 +1,60 @@ +/* Control warning output in GNU Make. +Copyright (C) 2023 Free Software Foundation, Inc. +This file is part of GNU Make. + +GNU Make is free software; you can redistribute it and/or modify it under the +terms of the GNU General Public License as published by the Free Software +Foundation; either version 3 of the License, or (at your option) any later +version. + +GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR +A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program. If not, see <https://www.gnu.org/licenses/>. */ + +/* Types of warnings we can show. */ +enum warning_type + { + wt_undefined_var = 0, /* Reference an undefined variable name. */ + wt_max + }; + +/* State of a given warning. */ +enum warning_state + { + w_unset = 0, + w_ignore, + w_warn, + w_error + }; + +/* The default state of warnings. */ +extern enum warning_state default_warnings[wt_max]; + +/* Current state of warnings. */ +extern enum warning_state warnings[wt_max]; + +/* Global warning settings. */ +extern enum warning_state warn_global; + +/* Get the current state of a given warning. */ +#define warn_get(_w) (warnings[_w] != w_unset ? warnings[_w] \ + : warn_global != w_unset ? warn_global \ + : default_warnings[_w]) + +/* Set the current state of a given warning. Can't use w_unset here. */ +#define warn_set(_w,_f) do{ warnings[_w] = (_f); } while (0) + +/* True if we should check for the warning in the first place. */ +#define warn_check(_w) (warn_get (_w) > w_ignore) + +/* Check if the warning is ignored. */ +#define warn_ignored(_w) (warn_get (_w) == w_ignore) + +/* Check if the warning is in "warn" mode. */ +#define warn_warned(_w) (warn_get (_w) == w_warn) + +/* Check if the warning is in "error" mode. */ +#define warn_error(_w) (warn_get (_w) == w_error) |