diff options
Diffstat (limited to 'contrib/bmake/unit-tests/varmod.mk')
| -rw-r--r-- | contrib/bmake/unit-tests/varmod.mk | 68 |
1 files changed, 65 insertions, 3 deletions
diff --git a/contrib/bmake/unit-tests/varmod.mk b/contrib/bmake/unit-tests/varmod.mk index 21ddf9103251..c749dfb9659d 100644 --- a/contrib/bmake/unit-tests/varmod.mk +++ b/contrib/bmake/unit-tests/varmod.mk @@ -1,11 +1,68 @@ -# $NetBSD: varmod.mk,v 1.5 2020/12/19 22:33:11 rillig Exp $ +# $NetBSD: varmod.mk,v 1.11 2024/04/20 10:18:56 rillig Exp $ # # Tests for variable modifiers, such as :Q, :S,from,to or :Ufallback. +# +# See also: +# varparse-errors.mk + +# As of 2022-08-06, the possible behaviors during parsing are: +# +# * `strict`: the parsing style used by most modifiers: +# * either uses `ParseModifierPart` or parses the modifier literal +# * other modifiers may follow, separated by a ':' +# +# * `greedy`: calls `ParseModifierPart` with `ch->endc`; this means +# that no further modifiers are parsed in that expression. +# +# * `no-colon`: after parsing this modifier, the following modifier +# does not need to be separated by a colon. +# Omitting this colon is bad style. +# +# * `individual`: parsing this modifier does not follow the common +# pattern of calling `ParseModifierPart`. +# +# The SysV column says whether a parse error in the modifier falls back +# trying the `:from=to` System V modifier. +# +# | **Operator** | **Behavior** | **Remarks** | **SysV** | +# |--------------|--------------|--------------------|----------| +# | `!` | no-colon | | no | +# | `:=` | greedy | | yes | +# | `?:` | greedy | | no | +# | `@` | no-colon | | no | +# | `C` | no-colon | | no | +# | `D` | individual | custom parser | N/A | +# | `E` | strict | | yes | +# | `H` | strict | | yes | +# | `L` | no-colon | | N/A | +# | `M` | individual | custom parser | N/A | +# | `N` | individual | custom parser | N/A | +# | `O` | strict | only literal value | no | +# | `P` | no-colon | | N/A | +# | `Q` | strict | | yes | +# | `R` | strict | | yes | +# | `S` | no-colon | | N/A | +# | `T` | strict | | N/A | +# | `U` | individual | custom parser | N/A | +# | `[` | strict | | no | +# | `_` | individual | strcspn | yes | +# | `gmtime` | strict | only literal value | yes | +# | `hash` | strict | | N/A | +# | `localtime` | strict | only literal value | yes | +# | `q` | strict | | yes | +# | `range` | strict | | N/A | +# | `sh` | strict | | N/A | +# | `t` | strict | | no | +# | `u` | strict | | yes | +# | `from=to` | greedy | SysV, fallback | N/A | + +# These tests assume +.MAKE.SAVE_DOLLARS = yes DOLLAR1= $$ DOLLAR2= ${:U\$} -# To get a single '$' sign in the value of a variable expression, it has to +# To get a single '$' sign in the value of an expression, it has to # be written as '$$' in a literal variable value. # # See Var_Parse, where it calls Var_Subst. @@ -39,21 +96,26 @@ DOLLAR2= ${:U\$} # For compatibility, make does not print these error messages in normal mode. # Should it? .MAKEFLAGS: -dL +# expect+2: To escape a dollar, use \$, not $$, at "$$:L} != """ +# expect+1: Invalid variable name ':', at "$:L} != """ .if ${$$:L} != "" . error .endif # A '$' followed by nothing is an error as well. +# expect+1: while evaluating "${:Uword:@word@${word}$@} != "word"": Dollar followed by nothing .if ${:Uword:@word@${word}$@} != "word" . error .endif # The variable modifier :P does not fall back to the SysV modifier. # Therefore the modifier :P=RE generates a parse error. -# XXX: The .error should not be reached since the variable expression is +# XXX: The .error should not be reached since the expression is # malformed, and this error should be propagated up to Cond_EvalLine. VAR= STOP +# expect+1: while evaluating variable "VAR": Missing delimiter ':' after modifier "P" .if ${VAR:P=RE} != "STORE" +# expect+1: Missing argument for ".error" . error .endif |