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1b65f0bd2b
o allow env var MAKE_OBJDIR_CHECK_WRITABLE=no to skip writable checks in InitObjdir. Explicit .OBJDIR target always allows read-only directory. o Fix building and unit-tests on non-BSD. o More code cleanup and refactoring. o More unit tests
61 lines
1.6 KiB
Makefile
61 lines
1.6 KiB
Makefile
# $NetBSD: varmod-match.mk,v 1.6 2020/11/15 18:33:41 rillig Exp $
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#
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# Tests for the :M variable modifier, which filters words that match the
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# given pattern.
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#
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# See ApplyModifier_Match and ModifyWord_Match for the implementation.
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.MAKEFLAGS: -dc
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NUMBERS= One Two Three Four five six seven
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# Only keep words that start with an uppercase letter.
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.if ${NUMBERS:M[A-Z]*} != "One Two Three Four"
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. error
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.endif
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# Only keep words that start with a character other than an uppercase letter.
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.if ${NUMBERS:M[^A-Z]*} != "five six seven"
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. error
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.endif
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# Only keep words that don't start with s and at the same time end with
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# either of [ex].
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#
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# This test case ensures that the negation from the first character class
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# does not propagate to the second character class.
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.if ${NUMBERS:M[^s]*[ex]} != "One Three five"
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. error
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.endif
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# Before 2020-06-13, this expression took quite a long time in Str_Match,
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# calling itself 601080390 times for 16 asterisks.
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.if ${:U****************:M****************b}
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.endif
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# To match a dollar sign in a word, double it.
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#
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# This is different from the :S and :C variable modifiers, where a '$'
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# has to be escaped as '\$'.
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.if ${:Ua \$ sign:M*$$*} != "\$"
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. error
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.endif
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# In the :M modifier, '\$' does not escape a dollar. Instead it is
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# interpreted as a backslash followed by whatever expression the
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# '$' starts.
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#
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# This differs from the :S, :C and several other variable modifiers.
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${:U*}= asterisk
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.if ${:Ua \$ sign any-asterisk:M*\$*} != "any-asterisk"
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. error
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.endif
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# TODO: ${VAR:M(((}}}}
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# TODO: ${VAR:M{{{)))}
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# TODO: ${VAR:M${UNBALANCED}}
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# TODO: ${VAR:M${:U(((\}\}\}}}
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all:
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@:;
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