moderrs.mk revision 1.32
1 # $NetBSD: moderrs.mk,v 1.32 2024/06/30 14:23:18 rillig Exp $ 2 # 3 # various modifier error tests 4 5 VAR= TheVariable 6 # in case we have to change it ;-) 7 MOD_UNKN= Z 8 MOD_TERM= S,V,v 9 MOD_S:= ${MOD_TERM}, 10 11 FIB= 1 1 2 3 5 8 13 21 34 12 13 all: mod-unknown-direct mod-unknown-indirect 14 all: unclosed-direct unclosed-indirect 15 all: unfinished-indirect unfinished-loop 16 all: loop-close 17 all: words 18 all: exclam 19 all: mod-subst-delimiter 20 all: mod-regex-delimiter 21 all: mod-ts-parse 22 all: mod-t-parse 23 all: mod-ifelse-parse 24 all: mod-remember-parse 25 all: mod-sysv-parse 26 27 mod-unknown-direct: print-header print-footer 28 # expect: make: in target "mod-unknown-direct": while evaluating variable "VAR": Unknown modifier "Z" 29 @echo 'VAR:Z=before-${VAR:Z}-after' 30 31 mod-unknown-indirect: print-header print-footer 32 # expect: make: in target "mod-unknown-indirect": while evaluating variable "VAR": Unknown modifier "Z" 33 @echo 'VAR:${MOD_UNKN}=before-${VAR:${MOD_UNKN}:inner}-after' 34 35 unclosed-direct: print-header print-footer 36 # expect: make: Unclosed expression, expecting '}' for modifier "S,V,v," of variable "VAR" with value "Thevariable" 37 @echo VAR:S,V,v,=${VAR:S,V,v, 38 39 unclosed-indirect: print-header print-footer 40 # expect: make: Unclosed expression after indirect modifier, expecting '}' for variable "VAR" 41 @echo VAR:${MOD_TERM},=${VAR:${MOD_S} 42 43 unfinished-indirect: print-header print-footer 44 # expect: make: Unfinished modifier for "VAR" (',' missing) 45 -@echo "VAR:${MOD_TERM}=${VAR:${MOD_TERM}}" 46 47 unfinished-loop: print-header print-footer 48 # expect: make: Unfinished modifier for "UNDEF" ('@' missing) 49 @echo ${UNDEF:U1 2 3:@var} 50 # expect: make: Unfinished modifier for "UNDEF" ('@' missing) 51 @echo ${UNDEF:U1 2 3:@var (a] ...} 52 @echo ${UNDEF:U1 2 3:@var@${var}@} 53 54 # The closing brace after the ${var} is part of the replacement string. 55 # In ParseModifierPart, braces and parentheses don't have to be balanced. 56 # This is contrary to the :M, :N modifiers, where both parentheses and 57 # braces must be balanced. 58 # This is also contrary to the SysV modifier, where only the actually 59 # used delimiter (either braces or parentheses) must be balanced. 60 loop-close: print-header print-footer 61 @echo ${UNDEF:U1 2 3:@var@${var}}...@ 62 @echo ${UNDEF:U1 2 3:@var@${var}}...@} 63 64 words: print-header print-footer 65 # expect: make: Unfinished modifier for "UNDEF" (']' missing) 66 @echo ${UNDEF:U1 2 3:[} 67 # expect: make: Unfinished modifier for "UNDEF" (']' missing) 68 @echo ${UNDEF:U1 2 3:[#} 69 70 # out of bounds => empty 71 @echo 13=${UNDEF:U1 2 3:[13]} 72 73 # Word index out of bounds. 74 # 75 # Until 2020-11-01, the behavior in this case depended upon the size 76 # of unsigned long. 77 # 78 # On LP64I32, strtol returns LONG_MAX, which was then truncated to 79 # int (undefined behavior), typically resulting in -1. This -1 was 80 # interpreted as "the last word". 81 # 82 # On ILP32, strtol returns LONG_MAX, which is a large number. This 83 # resulted in a range from LONG_MAX - 1 to 3, which was empty. 84 # 85 # Since 2020-11-01, the numeric overflow is detected and generates an 86 # error. In the remainder of the text, the '$,' is no longer parsed 87 # as part of a variable modifier, where it would have been interpreted 88 # as an anchor to the :S modifier, but as a normal variable named ','. 89 # That variable is undefined, resulting in an empty string. 90 @echo 12345=${UNDEF:U1 2 3:[123451234512345123451234512345]:S,^$,ok,:S,^3$,ok,} 91 92 exclam: print-header print-footer 93 # expect: make: Unfinished modifier for "VARNAME" ('!' missing) 94 @echo ${VARNAME:!echo} 95 # When the final exclamation mark is missing, there is no 96 # fallback to the SysV substitution modifier. 97 # If there were a fallback, the output would be "exclam", 98 # and the above would have produced an "Unknown modifier '!'". 99 # expect: make: Unfinished modifier for "!" ('!' missing) 100 @echo ${!:L:!=exclam} 101 102 mod-subst-delimiter: print-header print-footer 103 @echo 1: ${VAR:S 104 @echo 2: ${VAR:S, 105 @echo 3: ${VAR:S,from 106 @echo 4: ${VAR:S,from, 107 @echo 5: ${VAR:S,from,to 108 @echo 6: ${VAR:S,from,to, 109 @echo 7: ${VAR:S,from,to,} 110 111 mod-regex-delimiter: print-header print-footer 112 @echo 1: ${VAR:C 113 @echo 2: ${VAR:C, 114 @echo 3: ${VAR:C,from 115 @echo 4: ${VAR:C,from, 116 @echo 5: ${VAR:C,from,to 117 @echo 6: ${VAR:C,from,to, 118 @echo 7: ${VAR:C,from,to,} 119 120 mod-ts-parse: print-header print-footer 121 @echo ${FIB:ts} 122 @echo ${FIB:ts\65} # octal 065 == U+0035 == '5' 123 @echo ${FIB:ts\65oct} # bad modifier 124 @echo ${:U${FIB}:ts\65oct} # bad modifier, variable name is "" 125 @echo ${FIB:tsxy} # modifier too long 126 127 mod-t-parse: print-header print-footer 128 @echo ${FIB:t 129 @echo ${FIB:txy} 130 @echo ${FIB:t} 131 @echo ${FIB:t:M*} 132 133 mod-ifelse-parse: print-header print-footer 134 @echo ${FIB:? 135 @echo ${FIB:?then 136 @echo ${FIB:?then: 137 @echo ${FIB:?then:else 138 @echo ${FIB:?then:else} 139 140 mod-remember-parse: print-header print-footer 141 @echo ${FIB:_} # ok 142 @echo ${FIB:__} # modifier name too long 143 144 mod-sysv-parse: print-header print-footer 145 @echo ${FIB:3 146 @echo ${FIB:3= 147 @echo ${FIB:3=x3 148 @echo ${FIB:3=x3} # ok 149 150 print-header: .USEBEFORE 151 @echo $@: 152 print-footer: .USE 153 @echo 154
Indexes created Thu Oct 02 01:09:59 GMT 2025