[src/trunk]: src/usr.bin/make/unit-tests make(1): split test for indirect mod...

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/3eea52da31d8
branches:  trunk
changeset: 979391:3eea52da31d8
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Dec 27 17:32:25 2020 +0000

description:
make(1): split test for indirect modifiers into paragraphs

diffstat:

 usr.bin/make/unit-tests/varmod-indirect.exp |  12 ++++++------
 usr.bin/make/unit-tests/varmod-indirect.mk  |  10 ++++++++--
 2 files changed, 14 insertions(+), 8 deletions(-)

diffs (89 lines):

diff -r 233c496a8692 -r 3eea52da31d8 usr.bin/make/unit-tests/varmod-indirect.exp
--- a/usr.bin/make/unit-tests/varmod-indirect.exp       Sun Dec 27 17:17:46 2020 +0000
+++ b/usr.bin/make/unit-tests/varmod-indirect.exp       Sun Dec 27 17:32:25 2020 +0000
@@ -8,11 +8,11 @@
 make: "varmod-indirect.mk" line 124: Unknown modifier 'Z'
 make: "varmod-indirect.mk" line 125: before
 make: "varmod-indirect.mk" line 125: after
-ParseReadLine (133): '_:=      before ${UNDEF} after'
+ParseReadLine (134): '_:=      before ${UNDEF} after'
 Global:_ = 
 Var_Parse: ${UNDEF} after with VARE_WANTRES|VARE_KEEP_DOLLAR
 Global:_ = before ${UNDEF} after
-ParseReadLine (135): '_:=      before ${UNDEF:${:US,a,a,}} after'
+ParseReadLine (137): '_:=      before ${UNDEF:${:US,a,a,}} after'
 Var_Parse: ${UNDEF:${:US,a,a,}} after with VARE_WANTRES|VARE_KEEP_DOLLAR
 Var_Parse: ${:US,a,a,}} after with VARE_WANTRES|VARE_KEEP_DOLLAR
 Applying ${:U...} to "" (VARE_WANTRES|VARE_KEEP_DOLLAR, none, VEF_UNDEF)
@@ -27,7 +27,7 @@
 Applying ${:U...} to "" (VARE_WANTRES|VARE_KEEP_DOLLAR, none, VEF_UNDEF)
 Result of ${:US,a,a,} is "S,a,a," (VARE_WANTRES|VARE_KEEP_DOLLAR, none, VEF_UNDEF|VEF_DEF)
 Global:_ = before ${UNDEF:S,a,a,} after
-ParseReadLine (143): '_:=      before ${UNDEF:${:U}} after'
+ParseReadLine (147): '_:=      before ${UNDEF:${:U}} after'
 Var_Parse: ${UNDEF:${:U}} after with VARE_WANTRES|VARE_KEEP_DOLLAR
 Var_Parse: ${:U}} after with VARE_WANTRES|VARE_KEEP_DOLLAR
 Applying ${:U} to "" (VARE_WANTRES|VARE_KEEP_DOLLAR, none, VEF_UNDEF)
@@ -37,20 +37,20 @@
 Applying ${:U} to "" (VARE_WANTRES|VARE_KEEP_DOLLAR, none, VEF_UNDEF)
 Result of ${:U} is "" (VARE_WANTRES|VARE_KEEP_DOLLAR, none, VEF_UNDEF|VEF_DEF)
 Global:_ = before ${UNDEF:} after
-ParseReadLine (147): '_:=      before ${UNDEF:${:UZ}} after'
+ParseReadLine (152): '_:=      before ${UNDEF:${:UZ}} after'
 Var_Parse: ${UNDEF:${:UZ}} after with VARE_WANTRES|VARE_KEEP_DOLLAR
 Var_Parse: ${:UZ}} after with VARE_WANTRES|VARE_KEEP_DOLLAR
 Applying ${:U...} to "" (VARE_WANTRES|VARE_KEEP_DOLLAR, none, VEF_UNDEF)
 Result of ${:UZ} is "Z" (VARE_WANTRES|VARE_KEEP_DOLLAR, none, VEF_UNDEF|VEF_DEF)
 Indirect modifier "Z" from "${:UZ}"
 Applying ${UNDEF:Z} to "" (VARE_WANTRES|VARE_KEEP_DOLLAR, none, VEF_UNDEF)
-make: "varmod-indirect.mk" line 147: Unknown modifier 'Z'
+make: "varmod-indirect.mk" line 152: Unknown modifier 'Z'
 Result of ${UNDEF:Z} is error (VARE_WANTRES|VARE_KEEP_DOLLAR, none, VEF_UNDEF)
 Var_Parse: ${:UZ}} after with VARE_WANTRES|VARE_KEEP_DOLLAR
 Applying ${:U...} to "" (VARE_WANTRES|VARE_KEEP_DOLLAR, none, VEF_UNDEF)
 Result of ${:UZ} is "Z" (VARE_WANTRES|VARE_KEEP_DOLLAR, none, VEF_UNDEF|VEF_DEF)
 Global:_ = before ${UNDEF:Z} after
-ParseReadLine (148): '.MAKEFLAGS: -d0'
+ParseReadLine (154): '.MAKEFLAGS: -d0'
 ParseDoDependency(.MAKEFLAGS: -d0)
 Global:.MAKEFLAGS =  -r -k -d 0 -d pv -d
 Global:.MAKEFLAGS =  -r -k -d 0 -d pv -d 0
diff -r 233c496a8692 -r 3eea52da31d8 usr.bin/make/unit-tests/varmod-indirect.mk
--- a/usr.bin/make/unit-tests/varmod-indirect.mk        Sun Dec 27 17:17:46 2020 +0000
+++ b/usr.bin/make/unit-tests/varmod-indirect.mk        Sun Dec 27 17:32:25 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: varmod-indirect.mk,v 1.4 2020/12/27 17:17:46 rillig Exp $
+# $NetBSD: varmod-indirect.mk,v 1.5 2020/12/27 17:32:25 rillig Exp $
 #
 # Tests for indirect variable modifiers, such as in ${VAR:${M_modifiers}}.
 # These can be used for very basic purposes like converting a string to either
@@ -129,22 +129,28 @@
 # Another slightly different evaluation context is the right-hand side of
 # a variable assignment using ':='.
 .MAKEFLAGS: -dpv
+
 # The undefined variable expression is kept as-is.
 _:=    before ${UNDEF} after
+
 # The undefined variable expression is kept as-is.
 _:=    before ${UNDEF:${:US,a,a,}} after
+
 # XXX: The subexpression ${:U} is fully defined, therefore it is expanded.
 # This results in ${UNDEF:}, which can lead to tricky parse errors later,
 # when the variable '_' is expanded further.
+#
 # XXX: What should be the correct strategy here?  One possibility is to
-# expand the defined subexpression and replace them with ${:U...}, just like
+# expand the defined subexpression and replace it with ${:U...}, just like
 # in .for loops.  This would preserve the structure of the expression while
 # at the same time expanding the expression as far as possible.
 _:=    before ${UNDEF:${:U}} after
+
 # XXX: This expands to ${UNDEF:Z}, which will behave differently if the
 # variable '_' is used in a context where the variable expression ${_} is
 # parsed but not evaluated.
 _:=    before ${UNDEF:${:UZ}} after
+
 .MAKEFLAGS: -d0
 .undef _