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varmod-order.mk revision 1.16 
      1 # $NetBSD: varmod-order.mk,v 1.16 2024/08/06 18:00:17 rillig Exp $
      2 #
      3 # Tests for the :O variable modifier and its variants, which either sort the
      4 # words of the value or shuffle them.
      5 
      6 WORDS=		one two three four five six seven eight nine ten
      7 NUMBERS=	8 5 4 9 1 7 6 10 3 2	# in English alphabetical order
      8 
      9 .if ${WORDS:O} != "eight five four nine one seven six ten three two"
     10 .  error ${WORDS:O}
     11 .endif
     12 
     13 # expect+1: while evaluating variable "WORDS" with value "one two three four five six seven eight nine ten": Bad modifier ":OX"
     14 _:=	${WORDS:OX}
     15 
     16 # expect+1: while evaluating variable "WORDS" with value "one two three four five six seven eight nine ten": Bad modifier ":OxXX"
     17 _:=	${WORDS:OxXX}
     18 
     19 # expect+1: while evaluating variable "WORDS" with value "eight five four nine one seven six ten three two": Unclosed expression, expecting '}' for modifier "O"
     20 _:=	${WORDS:O
     21 # expect+1: while evaluating variable "NUMBERS" with value "1 2 3 4 5 6 7 8 9 10": Unclosed expression, expecting '}' for modifier "On"
     22 _:=	${NUMBERS:On
     23 # expect+1: while evaluating variable "NUMBERS" with value "10 9 8 7 6 5 4 3 2 1": Unclosed expression, expecting '}' for modifier "Onr"
     24 _:=	${NUMBERS:Onr
     25 
     26 # Shuffling numerically doesn't make sense, so don't allow 'x' and 'n' to be
     27 # combined.
     28 #
     29 # expect+2: while evaluating variable "NUMBERS" with value "8 5 4 9 1 7 6 10 3 2": Bad modifier ":Oxn"
     30 # expect+1: Malformed conditional '${NUMBERS:Oxn}'
     31 .if ${NUMBERS:Oxn}
     32 .  error
     33 .else
     34 .  error
     35 .endif
     36 
     37 # Extra characters after ':On' are detected and diagnosed.
     38 #
     39 # expect+2: while evaluating variable "NUMBERS" with value "8 5 4 9 1 7 6 10 3 2": Bad modifier ":On_typo"
     40 # expect+1: Malformed conditional '${NUMBERS:On_typo}'
     41 .if ${NUMBERS:On_typo}
     42 .  error
     43 .else
     44 .  error
     45 .endif
     46 
     47 # Extra characters after ':Onr' are detected and diagnosed.
     48 #
     49 # expect+2: while evaluating variable "NUMBERS" with value "8 5 4 9 1 7 6 10 3 2": Bad modifier ":Onr_typo"
     50 # expect+1: Malformed conditional '${NUMBERS:Onr_typo}'
     51 .if ${NUMBERS:Onr_typo}
     52 .  error
     53 .else
     54 .  error
     55 .endif
     56 
     57 # Extra characters after ':Orn' are detected and diagnosed.
     58 #
     59 # expect+2: while evaluating variable "NUMBERS" with value "8 5 4 9 1 7 6 10 3 2": Bad modifier ":Orn_typo"
     60 # expect+1: Malformed conditional '${NUMBERS:Orn_typo}'
     61 .if ${NUMBERS:Orn_typo}
     62 .  error
     63 .else
     64 .  error
     65 .endif
     66 
     67 # Repeating the 'n' is not supported.  In the typical use cases, the sorting
     68 # criteria are fixed, not computed, therefore allowing this redundancy does
     69 # not make sense.
     70 #
     71 # expect+2: while evaluating variable "NUMBERS" with value "8 5 4 9 1 7 6 10 3 2": Bad modifier ":Onn"
     72 # expect+1: Malformed conditional '${NUMBERS:Onn}'
     73 .if ${NUMBERS:Onn}
     74 .  error
     75 .else
     76 .  error
     77 .endif
     78 
     79 # Repeating the 'r' is not supported as well, for the same reasons as above.
     80 #
     81 # expect+2: while evaluating variable "NUMBERS" with value "8 5 4 9 1 7 6 10 3 2": Bad modifier ":Onrr"
     82 # expect+1: Malformed conditional '${NUMBERS:Onrr}'
     83 .if ${NUMBERS:Onrr}
     84 .  error
     85 .else
     86 .  error
     87 .endif
     88 
     89 # Repeating the 'r' is not supported as well, for the same reasons as above.
     90 #
     91 # expect+2: while evaluating variable "NUMBERS" with value "8 5 4 9 1 7 6 10 3 2": Bad modifier ":Orrn"
     92 # expect+1: Malformed conditional '${NUMBERS:Orrn}'
     93 .if ${NUMBERS:Orrn}
     94 .  error
     95 .else
     96 .  error
     97 .endif
     98 
     99 
    100 # If a modifier that starts with ':O' is not one of the known sort or shuffle
    101 # forms, it is a parse error.  Several other modifiers such as ':H' or ':u'
    102 # fall back to the SysV modifier, for example, ':H=new' is not the standard
    103 # ':H' modifier but instead replaces a trailing 'H' with 'new' in each word.
    104 # There is no such fallback for the ':O' modifiers.
    105 SWITCH=	On
    106 # expect+2: while evaluating variable "SWITCH" with value "On": Bad modifier ":On=Off"
    107 # expect+1: Malformed conditional '${SWITCH:On=Off} != "Off"'
    108 .if ${SWITCH:On=Off} != "Off"
    109 .  error
    110 .else
    111 .  error
    112 .endif
    113 
    114 all:
    115