1# $NetBSD: moderrs.mk,v 1.46 2025/03/30 00:35:52 rillig Exp $
2#
3# various modifier error tests
4
5VAR=                TheVariable
6# in case we have to change it ;-)
7MOD_UNKN= Z
8MOD_TERM= S,V,v
9MOD_S:=             ${MOD_TERM},
10
11FIB=      1 1 2 3 5 8 13 21 34
12
13all:      mod-unknown-direct mod-unknown-indirect
14all:      unclosed-direct unclosed-indirect
15all:      unfinished-indirect unfinished-loop-{1,2,3}
16all:      loop-close-{1,2}
17all:      words-{1,2,3}
18all:      exclam-{1,2}
19all:      mod-subst-delimiter-{1,2,3,4,5,6,7}
20all:      mod-regex-delimiter-{1,2,3,4,5,6,7}
21all:      mod-ts-parse-{1,2,3,4,5}
22all:      mod-t-parse-{1,2,3,4}
23all:      mod-ifelse-parse-{1,2,3,4,5}
24all:      mod-remember-parse
25all:      mod-sysv-parse-{1,2,3,4}
26
27mod-unknown-direct:
28# expect: make: Unknown modifier ":Z"
29          @echo 'VAR:Z=before-${VAR:Z}-after'
30
31mod-unknown-indirect:
32# expect: make: Unknown modifier ":Z"
33          @echo 'VAR:${MOD_UNKN}=before-${VAR:${MOD_UNKN}:inner}-after'
34
35unclosed-direct:
36# expect: make: Unclosed expression, expecting '}' for modifier "S,V,v,"
37          @echo VAR:S,V,v,=${VAR:S,V,v,
38
39unclosed-indirect:
40# expect: make: Unclosed expression after indirect modifier, expecting '}'
41          @echo VAR:${MOD_TERM},=${VAR:${MOD_S}
42
43unfinished-indirect:
44# expect: make: Unfinished modifier after "v", expecting ","
45          -@echo "VAR:${MOD_TERM}=${VAR:${MOD_TERM}}"
46
47unfinished-loop-1:
48# expect: make: Unfinished modifier after "var}", expecting "@"
49          @echo ${UNDEF:U1 2 3:@var}
50unfinished-loop-2:
51# expect: make: Unfinished modifier after "...}", expecting "@"
52          @echo ${UNDEF:U1 2 3:@var@...}
53unfinished-loop-3:
54          @echo ${UNDEF:U1 2 3:@var@${var}@}
55
56# The closing brace after the ${var} is part of the replacement string.
57# In ParseModifierPart, braces and parentheses don't have to be balanced.
58# This is contrary to the :M, :N modifiers, where both parentheses and
59# braces must be balanced.
60# This is also contrary to the SysV modifier, where only the actually
61# used delimiter (either braces or parentheses) must be balanced.
62loop-close-1:
63# expect: make: Unclosed expression, expecting '}' for modifier "@var@${var}}...@"
64          @echo ${UNDEF:U1 2 3:@var@${var}}...@
65loop-close-2:
66          @echo ${UNDEF:U1 2 3:@var@${var}}...@}
67
68words-1:
69# expect: make: Unfinished modifier after "}", expecting "]"
70          @echo ${UNDEF:U1 2 3:[}
71words-2:
72# expect: make: Unfinished modifier after "#}", expecting "]"
73          @echo ${UNDEF:U1 2 3:[#}
74
75words-3:
76          # out of bounds => empty
77          @echo 13=${UNDEF:U1 2 3:[13]}
78
79          # Word index out of bounds.
80          #
81          # Until 2020-11-01, the behavior in this case depended upon the size
82          # of unsigned long.
83          #
84          # On LP64I32, strtol returns LONG_MAX, which was then truncated to
85          # int (undefined behavior), typically resulting in -1.  This -1 was
86          # interpreted as "the last word".
87          #
88          # On ILP32, strtol returns LONG_MAX, which is a large number.  This
89          # resulted in a range from LONG_MAX - 1 to 3, which was empty.
90          #
91          # Since 2020-11-01, the numeric overflow is detected and generates an
92          # error.  In the remainder of the text, the '$,' is no longer parsed
93          # as part of a variable modifier, where it would have been interpreted
94          # as an anchor to the :S modifier, but as a normal variable named ','.
95          # That variable is undefined, resulting in an empty string.
96          @echo 12345=${UNDEF:U1 2 3:[123451234512345123451234512345]:S,^$,ok,:S,^3$,ok,}
97
98exclam-1:
99# expect: make: Unfinished modifier after "echo}", expecting "!"
100          @echo ${VARNAME:!echo}
101          # When the final exclamation mark is missing, there is no
102          # fallback to the SysV substitution modifier.
103          # If there were a fallback, the output would be "exclam",
104          # and the above would have produced an "Unknown modifier '!'".
105exclam-2:
106# expect: make: Unfinished modifier after "=exclam}", expecting "!"
107          @echo ${!:L:!=exclam}
108
109mod-subst-delimiter-1:
110# expect: make: Missing delimiter for modifier ':S'
111          @echo 1: ${VAR:S
112mod-subst-delimiter-2:
113# expect: make: Unfinished modifier after "", expecting ","
114          @echo 2: ${VAR:S,
115mod-subst-delimiter-3:
116# expect: make: Unfinished modifier after "from", expecting ","
117          @echo 3: ${VAR:S,from
118mod-subst-delimiter-4:
119# expect: make: Unfinished modifier after "", expecting ","
120          @echo 4: ${VAR:S,from,
121mod-subst-delimiter-5:
122# expect: make: Unfinished modifier after "to", expecting ","
123          @echo 5: ${VAR:S,from,to
124mod-subst-delimiter-6:
125# expect: make: Unclosed expression, expecting '}' for modifier "S,from,to,"
126          @echo 6: ${VAR:S,from,to,
127mod-subst-delimiter-7:
128          @echo 7: ${VAR:S,from,to,}
129
130mod-regex-delimiter-1:
131# expect: make: Missing delimiter for modifier ':C'
132          @echo 1: ${VAR:C
133mod-regex-delimiter-2:
134# expect: make: Unfinished modifier after "", expecting ","
135          @echo 2: ${VAR:C,
136mod-regex-delimiter-3:
137# expect: make: Unfinished modifier after "from", expecting ","
138          @echo 3: ${VAR:C,from
139mod-regex-delimiter-4:
140# expect: make: Unfinished modifier after "", expecting ","
141          @echo 4: ${VAR:C,from,
142mod-regex-delimiter-5:
143# expect: make: Unfinished modifier after "to", expecting ","
144          @echo 5: ${VAR:C,from,to
145mod-regex-delimiter-6:
146# expect: make: Unclosed expression, expecting '}' for modifier "C,from,to,"
147          @echo 6: ${VAR:C,from,to,
148mod-regex-delimiter-7:
149          @echo 7: ${VAR:C,from,to,}
150
151mod-ts-parse-1:
152          @echo ${FIB:ts}
153mod-ts-parse-2:
154          @echo ${FIB:ts\65}  # octal 065 == U+0035 == '5'
155mod-ts-parse-3:
156# expect: make: Unknown modifier ":ts\65oct"
157          @echo ${FIB:ts\65oct}         # bad modifier
158mod-ts-parse-4:
159# expect: make: Unknown modifier ":ts\65oct"
160          @echo ${:U${FIB}:ts\65oct} # bad modifier, variable name is ""
161mod-ts-parse-5:
162# expect: make: Unknown modifier ":tsxy"
163          @echo ${FIB:tsxy}   # modifier too long
164
165mod-t-parse-1:
166# expect: make: Unknown modifier ":t"
167          @echo ${FIB:t
168mod-t-parse-2:
169# expect: make: Unknown modifier ":txy"
170          @echo ${FIB:txy}
171mod-t-parse-3:
172# expect: make: Unknown modifier ":t"
173          @echo ${FIB:t}
174mod-t-parse-4:
175# expect: make: Unknown modifier ":t"
176          @echo ${FIB:t:M*}
177
178mod-ifelse-parse-1:
179# expect: make: Unfinished modifier after "", expecting ":"
180          @echo ${FIB:?
181mod-ifelse-parse-2:
182# expect: make: Unfinished modifier after "then", expecting ":"
183          @echo ${FIB:?then
184mod-ifelse-parse-3:
185# expect: make: Unfinished modifier after "", expecting "}"
186          @echo ${FIB:?then:
187mod-ifelse-parse-4:
188# expect: make: Unfinished modifier after "else", expecting "}"
189          @echo ${FIB:?then:else
190mod-ifelse-parse-5:
191          @echo ${FIB:?then:else}
192
193mod-remember-parse:
194          @echo ${FIB:_}                # ok
195# expect: make: Unknown modifier ":__"
196          @echo ${FIB:__}               # modifier name too long
197
198mod-sysv-parse-1:
199# expect: make: Unknown modifier ":3"
200          @echo ${FIB:3
201mod-sysv-parse-2:
202# expect: make: Unfinished modifier after "", expecting "}"
203          @echo ${FIB:3=
204mod-sysv-parse-3:
205# expect: make: Unfinished modifier after "x3", expecting "}"
206          @echo ${FIB:3=x3
207mod-sysv-parse-4:
208          @echo ${FIB:3=x3}   # ok
209