# Regular expression (ERE) denoting either a forbidden construct
# or a required construct. Those arguments are exclusive.
#
+# exclude
+#
+# Regular expression (ERE) denoting lines to ignore that matched
+# a prohibit construct. For example, this can be used to exclude
+# comments that mention why the nearby code uses an alternative
+# construct instead of the simpler prohibited construct.
+#
# in_vc_files | in_files
#
# grep-E-style regexp denoting the files to check. If no files
test -z "$$prohibit" && test -z "$$require" \
&& { msg='Should specify either prohibit or require' \
$(_sc_say_and_exit) } || :; \
+ test -z "$$prohibit" && test -n "$$exclude" \
+ && { msg='Use of exclude requires a prohibit pattern' \
+ $(_sc_say_and_exit) } || :; \
test -n "$$in_vc_files" && test -n "$$in_files" \
&& { msg='Cannot specify both in_vc_files and in_files' \
$(_sc_say_and_exit) } || :; \
if test -n "$$files"; then \
if test -n "$$prohibit"; then \
grep $$with_grep_options $(_ignore_case) -nE "$$prohibit" $$files \
+ | grep -vE "$${exclude-^$$}" \
&& { msg="$$halt" $(_sc_say_and_exit) } || :; \
else \
grep $$with_grep_options $(_ignore_case) -LE "$$require" $$files \
# Use STREQ rather than comparing strcmp == 0, or != 0.
sp_ = strcmp *\(.+\)
sc_prohibit_strcmp:
- @grep -nE '! *strcmp *\(|\<$(sp_) *[!=]=|[!=]= *$(sp_)' \
- $$($(VC_LIST_EXCEPT)) \
- | grep -vE ':# *define STRN?EQ\(' && \
- { echo '$(ME): replace strcmp calls above with STREQ/STRNEQ' \
- 1>&2; exit 1; } || :
+ @prohibit='! *strcmp *\(|\<$(sp_) *[!=]=|[!=]= *$(sp_)' \
+ exclude=':# *define STRN?EQ\(' \
+ halt='$(ME): replace strcmp calls above with STREQ/STRNEQ' \
+ $(_sc_search_regexp)
# Pass EXIT_*, not number, to usage, exit, and error (when exiting)
# Convert all uses automatically, via these two commands:
# Look for diagnostics that aren't marked for translation.
# This won't find any for which error's format string is on a separate line.
sc_unmarked_diagnostics:
- @grep -nE \
- '\<$(_gl_translatable_diag_func_re) *\([^"]*"[^"]*[a-z]{3}' \
- $$($(VC_LIST_EXCEPT)) \
- | grep -Ev '(_|ngettext ?)\(' && \
- { echo '$(ME): found unmarked diagnostic(s)' 1>&2; \
- exit 1; } || :
+ @prohibit='\<$(_gl_translatable_diag_func_re) *\([^"]*"[^"]*[a-z]{3}' \
+ exclude='(_|ngettext ?)\(' \
+ halt='$(ME): found unmarked diagnostic(s)' \
+ $(_sc_search_regexp)
# Avoid useless parentheses like those in this example:
# #if defined (SYMBOL) || defined (SYM2)
$(_sc_search_regexp)
sc_const_long_option:
- @grep '^ *static.*struct option ' $$($(VC_LIST_EXCEPT)) \
- | grep -Ev 'const struct option|struct option const' && { \
- echo 1>&2 '$(ME): add "const" to the above declarations'; \
- exit 1; } || :
+ @prohibit='^ *static.*struct option ' \
+ exclude='const struct option|struct option const' \
+ halt='$(ME): add "const" to the above declarations' \
+ $(_sc_search_regexp)
NEWS_hash = \
$$(sed -n '/^\*.* $(PREV_VERSION_REGEXP) ([0-9-]*)/,$$p' \