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syntax-check: Add prohibit_space_in_label rule
This guards against code such as cleanup : which is happily accepted by the compiler but does not conform to our style guidelines.
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9
cfg.mk
9
cfg.mk
@ -919,6 +919,15 @@ sc_require_space_before_label:
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halt="Top-level labels should be indented by one space" \
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$(_sc_search_regexp)
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# Allow for up to three spaces before the label: this is to avoid running
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# into situations where neither this rule nor require_space_before_label
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# would apply, eg. a line matching ^[a-zA-Z0-9]+ :$
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sc_prohibit_space_in_label:
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@prohibit='^ {0,3}[_a-zA-Z0-9]+ +:$$' \
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in_vc_files='\.[ch]$$' \
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halt="There should be no space between label name and colon" \
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$(_sc_search_regexp)
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# Doesn't catch all cases of mismatched braces across if-else, but it helps
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sc_require_if_else_matching_braces:
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@prohibit='( else( if .*\))? {|} else( if .*\))?$$)' \
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