moderrs.mk revision 1.35 1 # $NetBSD: moderrs.mk,v 1.35 2024/07/04 18:53:37 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:= ${MOD_TERM},
10
11 FIB= 1 1 2 3 5 8 13 21 34
12
13 all: mod-unknown-direct mod-unknown-indirect
14 all: unclosed-direct unclosed-indirect
15 all: unfinished-indirect unfinished-loop
16 all: loop-close
17 all: words
18 all: exclam
19 all: mod-subst-delimiter
20 all: mod-regex-delimiter
21 all: mod-ts-parse
22 all: mod-t-parse
23 all: mod-ifelse-parse
24 all: mod-remember-parse
25 all: mod-sysv-parse
26
27 mod-unknown-direct: print-footer
28 # expect: make: in target "mod-unknown-direct": while evaluating variable "VAR" with value "TheVariable": Unknown modifier "Z"
29 @echo 'VAR:Z=before-${VAR:Z}-after'
30
31 mod-unknown-indirect: print-footer
32 # expect: make: in target "mod-unknown-indirect": while evaluating variable "VAR" with value "TheVariable": 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:${MOD_S}
42
43 unfinished-indirect: print-footer
44 # expect: make: in target "unfinished-indirect": while evaluating variable "VAR" with value "TheVariable": Unfinished modifier (',' missing)
45 -@echo "VAR:${MOD_TERM}=${VAR:${MOD_TERM}}"
46
47 unfinished-loop: print-footer
48 # expect: make: in target "unfinished-loop": while evaluating variable "UNDEF" with value "1 2 3": Unfinished modifier ('@' missing)
49 @echo ${UNDEF:U1 2 3:@var}
50 # expect: make: in target "unfinished-loop": while evaluating variable "UNDEF" with value "1 2 3": Unfinished modifier ('@' missing)
51 @echo ${UNDEF:U1 2 3:@var (a] ...}
52 @echo ${UNDEF:U1 2 3:@var@${var}@}
53
54 # The closing brace after the ${var} is part of the replacement string.
55 # In ParseModifierPart, braces and parentheses don't have to be balanced.
56 # This is contrary to the :M, :N modifiers, where both parentheses and
57 # braces must be balanced.
58 # This is also contrary to the SysV modifier, where only the actually
59 # used delimiter (either braces or parentheses) must be balanced.
60 loop-close: print-header print-footer
61 # expect: make: Unclosed expression, expecting '}' for modifier "@var@${var}}...@" of variable "UNDEF" with value "1}... 2}... 3}..."
62 @echo ${UNDEF:U1 2 3:@var@${var}}...@
63 @echo ${UNDEF:U1 2 3:@var@${var}}...@}
64
65 words: print-footer
66 # expect: make: in target "words": while evaluating variable "UNDEF" with value "1 2 3": Unfinished modifier (']' missing)
67 @echo ${UNDEF:U1 2 3:[}
68 # expect: make: in target "words": while evaluating variable "UNDEF" with value "1 2 3": Unfinished modifier (']' missing)
69 @echo ${UNDEF:U1 2 3:[#}
70
71 # out of bounds => empty
72 @echo 13=${UNDEF:U1 2 3:[13]}
73
74 # Word index out of bounds.
75 #
76 # Until 2020-11-01, the behavior in this case depended upon the size
77 # of unsigned long.
78 #
79 # On LP64I32, strtol returns LONG_MAX, which was then truncated to
80 # int (undefined behavior), typically resulting in -1. This -1 was
81 # interpreted as "the last word".
82 #
83 # On ILP32, strtol returns LONG_MAX, which is a large number. This
84 # resulted in a range from LONG_MAX - 1 to 3, which was empty.
85 #
86 # Since 2020-11-01, the numeric overflow is detected and generates an
87 # error. In the remainder of the text, the '$,' is no longer parsed
88 # as part of a variable modifier, where it would have been interpreted
89 # as an anchor to the :S modifier, but as a normal variable named ','.
90 # That variable is undefined, resulting in an empty string.
91 @echo 12345=${UNDEF:U1 2 3:[123451234512345123451234512345]:S,^$,ok,:S,^3$,ok,}
92
93 exclam: print-footer
94 # expect: make: in target "exclam": while evaluating variable "VARNAME" with value "": Unfinished modifier ('!' missing)
95 @echo ${VARNAME:!echo}
96 # When the final exclamation mark is missing, there is no
97 # fallback to the SysV substitution modifier.
98 # If there were a fallback, the output would be "exclam",
99 # and the above would have produced an "Unknown modifier '!'".
100 # expect: make: in target "exclam": while evaluating variable "!" with value "!": Unfinished modifier ('!' missing)
101 @echo ${!:L:!=exclam}
102
103 mod-subst-delimiter: print-footer
104 # expect: make: in target "mod-subst-delimiter": while evaluating variable "VAR" with value "TheVariable": Missing delimiter for modifier ':S'
105 @echo 1: ${VAR:S
106 # expect: make: in target "mod-subst-delimiter": while evaluating variable "VAR" with value "TheVariable": Unfinished modifier (',' missing)
107 @echo 2: ${VAR:S,
108 # expect: make: in target "mod-subst-delimiter": while evaluating variable "VAR" with value "TheVariable": Unfinished modifier (',' missing)
109 @echo 3: ${VAR:S,from
110 # expect: make: in target "mod-subst-delimiter": while evaluating variable "VAR" with value "TheVariable": Unfinished modifier (',' missing)
111 @echo 4: ${VAR:S,from,
112 # expect: make: in target "mod-subst-delimiter": while evaluating variable "VAR" with value "TheVariable": Unfinished modifier (',' missing)
113 @echo 5: ${VAR:S,from,to
114 # expect: make: Unclosed expression, expecting '}' for modifier "S,from,to," of variable "VAR" with value "TheVariable"
115 @echo 6: ${VAR:S,from,to,
116 @echo 7: ${VAR:S,from,to,}
117
118 mod-regex-delimiter: print-footer
119 # expect: make: in target "mod-regex-delimiter": while evaluating variable "VAR" with value "TheVariable": Missing delimiter for modifier ':C'
120 @echo 1: ${VAR:C
121 # expect: make: in target "mod-regex-delimiter": while evaluating variable "VAR" with value "TheVariable": Unfinished modifier (',' missing)
122 @echo 2: ${VAR:C,
123 # expect: make: in target "mod-regex-delimiter": while evaluating variable "VAR" with value "TheVariable": Unfinished modifier (',' missing)
124 @echo 3: ${VAR:C,from
125 # expect: make: in target "mod-regex-delimiter": while evaluating variable "VAR" with value "TheVariable": Unfinished modifier (',' missing)
126 @echo 4: ${VAR:C,from,
127 # expect: make: in target "mod-regex-delimiter": while evaluating variable "VAR" with value "TheVariable": Unfinished modifier (',' missing)
128 @echo 5: ${VAR:C,from,to
129 # expect: make: Unclosed expression, expecting '}' for modifier "C,from,to," of variable "VAR" with value "TheVariable"
130 @echo 6: ${VAR:C,from,to,
131 @echo 7: ${VAR:C,from,to,}
132
133 mod-ts-parse: print-header print-footer
134 @echo ${FIB:ts}
135 @echo ${FIB:ts\65} # octal 065 == U+0035 == '5'
136 # expect: make: in target "mod-ts-parse": while evaluating variable "FIB" with value "1 1 2 3 5 8 13 21 34": Bad modifier ":ts\65oct"
137 @echo ${FIB:ts\65oct} # bad modifier
138 # expect: make: in target "mod-ts-parse": while evaluating "${:U${FIB}:ts\65oct} # bad modifier, variable name is """: Bad modifier ":ts\65oct"
139 @echo ${:U${FIB}:ts\65oct} # bad modifier, variable name is ""
140 # expect: make: in target "mod-ts-parse": while evaluating variable "FIB" with value "1 1 2 3 5 8 13 21 34": Bad modifier ":tsxy"
141 @echo ${FIB:tsxy} # modifier too long
142
143 mod-t-parse: print-header print-footer
144 # expect: make: in target "mod-t-parse": while evaluating variable "FIB" with value "1 1 2 3 5 8 13 21 34": Bad modifier ":t"
145 @echo ${FIB:t
146 # expect: make: in target "mod-t-parse": while evaluating variable "FIB" with value "1 1 2 3 5 8 13 21 34": Bad modifier ":txy"
147 @echo ${FIB:txy}
148 # expect: make: in target "mod-t-parse": while evaluating variable "FIB" with value "1 1 2 3 5 8 13 21 34": Bad modifier ":t"
149 @echo ${FIB:t}
150 # expect: make: in target "mod-t-parse": while evaluating variable "FIB" with value "1 1 2 3 5 8 13 21 34": Bad modifier ":t"
151 @echo ${FIB:t:M*}
152
153 mod-ifelse-parse: print-footer
154 # expect: make: in target "mod-ifelse-parse": while evaluating then-branch of condition "FIB": Unfinished modifier (':' missing)
155 @echo ${FIB:?
156 # expect: make: in target "mod-ifelse-parse": while evaluating then-branch of condition "FIB": Unfinished modifier (':' missing)
157 @echo ${FIB:?then
158 # expect: make: in target "mod-ifelse-parse": while evaluating else-branch of condition "FIB": Unfinished modifier ('}' missing)
159 @echo ${FIB:?then:
160 # expect: make: in target "mod-ifelse-parse": while evaluating else-branch of condition "FIB": Unfinished modifier ('}' missing)
161 @echo ${FIB:?then:else
162 @echo ${FIB:?then:else}
163
164 mod-remember-parse: print-footer
165 @echo ${FIB:_} # ok
166 # expect: make: in target "mod-remember-parse": while evaluating variable "FIB" with value "1 1 2 3 5 8 13 21 34": Unknown modifier "__"
167 @echo ${FIB:__} # modifier name too long
168
169 mod-sysv-parse: print-footer
170 # expect: make: in target "mod-sysv-parse": while evaluating variable "FIB" with value "1 1 2 3 5 8 13 21 34": Unknown modifier "3"
171 @echo ${FIB:3
172 # expect: make: in target "mod-sysv-parse": while evaluating variable "FIB" with value "1 1 2 3 5 8 13 21 34": Unknown modifier "3="
173 @echo ${FIB:3=
174 # expect: make: in target "mod-sysv-parse": while evaluating variable "FIB" with value "1 1 2 3 5 8 13 21 34": Unknown modifier "3=x3"
175 @echo ${FIB:3=x3
176 @echo ${FIB:3=x3} # ok
177
178 print-header: .USEBEFORE
179 @echo $@:
180 print-footer: .USE
181 @echo
182