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Complain about unused %define variables and %code qualifiers.

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* NEWS (2.5): Document.
* data/bison.m4 (b4_check_user_names): Complain instead of warn.
* doc/bison.texinfo (Decl Summary): Document complaint, and
improve %define documentation a little otherwise.
* tests/input.at (Reject unused %code qualifiers): Update.
(%define errors): Update.
(%define, --define, --force-define): Update.
(%define backward compatibility): Update.
(Unused %define api.pure): Update.
* tests/push.at (Push Parsing: Unsupported Skeletons): Update.
(cherry picked from commit c6abeab182)

Conflicts:

	ChangeLog
This commit is contained in:
Joel E. Denny
2009-09-03 16:04:10 -04:00
parent c842365a01
commit 628be6c97d
6 changed files with 82 additions and 60 deletions
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89
tests/input.at
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@@ -813,11 +813,11 @@ AT_DATA([input-c.y],
%%
start: ;
]])
AT_BISON_CHECK([[input-c.y]], [0], [],
[[input-c.y:1.7: warning: %code qualifier `q' is not used
input-c.y:2.7-9: warning: %code qualifier `bad' is not used
input-c.y:3.7-9: warning: %code qualifier `bad' is not used
input-c.y:4.7-12: warning: %code qualifier `format' is not used
AT_BISON_CHECK([[input-c.y]], [[1]], [],
[[input-c.y:1.7: %code qualifier `q' is not used
input-c.y:2.7-9: %code qualifier `bad' is not used
input-c.y:3.7-9: %code qualifier `bad' is not used
input-c.y:4.7-12: %code qualifier `format' is not used
]])
AT_DATA([input-c-glr.y],
@@ -827,10 +827,10 @@ AT_DATA([input-c-glr.y],
%%
start: ;
]])
AT_BISON_CHECK([[input-c-glr.y]], [0], [],
[[input-c-glr.y:1.7: warning: %code qualifier `q' is not used
input-c-glr.y:2.7-9: warning: %code qualifier `bad' is not used
input-c-glr.y:3.8-10: warning: %code qualifier `bad' is not used
AT_BISON_CHECK([[input-c-glr.y]], [[1]], [],
[[input-c-glr.y:1.7: %code qualifier `q' is not used
input-c-glr.y:2.7-9: %code qualifier `bad' is not used
input-c-glr.y:3.8-10: %code qualifier `bad' is not used
]])
AT_DATA([input-c++.y],
@@ -840,10 +840,10 @@ AT_DATA([input-c++.y],
%%
start: ;
]])
AT_BISON_CHECK([[input-c++.y]], [0], [],
[[input-c++.y:1.7: warning: %code qualifier `q' is not used
input-c++.y:2.7-9: warning: %code qualifier `bad' is not used
input-c++.y:3.8: warning: %code qualifier `q' is not used
AT_BISON_CHECK([[input-c++.y]], [[1]], [],
[[input-c++.y:1.7: %code qualifier `q' is not used
input-c++.y:2.7-9: %code qualifier `bad' is not used
input-c++.y:3.8: %code qualifier `q' is not used
]])
AT_DATA([input-c++-glr.y],
@@ -853,10 +853,10 @@ AT_DATA([input-c++-glr.y],
%%
start: ;
]])
AT_BISON_CHECK([[input-c++-glr.y]], [0], [],
[[input-c++-glr.y:1.7-9: warning: %code qualifier `bad' is not used
input-c++-glr.y:2.7: warning: %code qualifier `q' is not used
input-c++-glr.y:3.7: warning: %code qualifier `q' is not used
AT_BISON_CHECK([[input-c++-glr.y]], [[1]], [],
[[input-c++-glr.y:1.7-9: %code qualifier `bad' is not used
input-c++-glr.y:2.7: %code qualifier `q' is not used
input-c++-glr.y:3.7: %code qualifier `q' is not used
]])
AT_DATA([special-char-@@.y],
@@ -866,10 +866,10 @@ AT_DATA([special-char-@@.y],
%%
start: ;
]])
AT_BISON_CHECK([[special-char-@@.y]], [0], [],
[[special-char-@@.y:1.7-9: warning: %code qualifier `bad' is not used
special-char-@@.y:2.7: warning: %code qualifier `q' is not used
special-char-@@.y:3.7: warning: %code qualifier `q' is not used
AT_BISON_CHECK([[special-char-@@.y]], [[1]], [],
[[special-char-@@.y:1.7-9: %code qualifier `bad' is not used
special-char-@@.y:2.7: %code qualifier `q' is not used
special-char-@@.y:3.7: %code qualifier `q' is not used
]])
AT_DATA([special-char-@:>@.y],
@@ -879,10 +879,10 @@ AT_DATA([special-char-@:>@.y],
%%
start: ;
]])
AT_BISON_CHECK([[special-char-@:>@.y]], [0], [],
[[special-char-@:>@.y:1.7-9: warning: %code qualifier `bad' is not used
special-char-@:>@.y:2.7: warning: %code qualifier `q' is not used
special-char-@:>@.y:3.7: warning: %code qualifier `q' is not used
AT_BISON_CHECK([[special-char-@:>@.y]], [[1]], [],
[[special-char-@:>@.y:1.7-9: %code qualifier `bad' is not used
special-char-@:>@.y:2.7: %code qualifier `q' is not used
special-char-@:>@.y:3.7: %code qualifier `q' is not used
]])
AT_CLEANUP
@@ -917,8 +917,8 @@ AT_DATA([input-unused.y],
start: ;
]])
AT_BISON_CHECK([[input-unused.y]], [[0]], [],
[[input-unused.y:1.9-11: warning: %define variable `var' is not used
AT_BISON_CHECK([[input-unused.y]], [[1]], [],
[[input-unused.y:1.9-11: %define variable `var' is not used
]])
AT_CLEANUP
@@ -928,9 +928,9 @@ AT_CLEANUP
## %define, --define, --force-define. ##
## ----------------------------------- ##
AT_SETUP([%define, --define, --force-define])
AT_SETUP([[%define, --define, --force-define]])
AT_DATA([skel.c],
AT_DATA([[skel.c]],
[[m4@&t@_divert_push(0)@
@output(b4_parser_file_name@)@
[var-dd: ]b4_percent_define_get([[var-dd]])[
@@ -939,23 +939,16 @@ var-dfg: ]b4_percent_define_get([[var-dfg]])[
var-fd: ]b4_percent_define_get([[var-fd]])
m4@&t@_divert_pop(0)
]])
AT_DATA([input.y],
AT_DATA([[input.y]],
[[%define var-dfg "gram"
%%
start: ;
]])
AT_BISON_CHECK([[-Dvar-dd=cmd-d1 -Dvar-dd=cmd-d2 \
-Fvar-ff=cmd-f1 -Fvar-ff=cmd-f2 \
-Dvar-dfg=cmd-d -Fvar-dfg=cmd-f \
-Fvar-fd=cmd-f -Dvar-fd=cmd-d \
-Dunused-d -Funused-f \
--skeleton ./skel.c input.y]], [[0]], [],
[[<command line>:10: warning: %define variable `unused-d' is not used
<command line>:11: warning: %define variable `unused-f' is not used
]])
--skeleton ./skel.c input.y]])
AT_CHECK([[cat input.tab.c]], [[0]],
[[var-dd: cmd-d2
var-ff: cmd-f2
@@ -963,17 +956,25 @@ var-dfg: cmd-f
var-fd: cmd-d
]])
AT_DATA([input-dg.y],
AT_DATA([[input-dg.y]],
[[%define var "gram"
%%
start: ;
]])
AT_BISON_CHECK([[-Dvar=cmd-d input-dg.y]], [[1]], [],
[[input-dg.y:1.9-11: %define variable `var' redefined
<command line>:2: previous definition
]])
AT_DATA([[input-unused.y]],
[[%%
start: ;
]])
AT_BISON_CHECK([[-Dunused-d -Funused-f input-unused.y]], [[1]], [],
[[<command line>:2: %define variable `unused-d' is not used
<command line>:3: %define variable `unused-f' is not used
]])
AT_CLEANUP
## --------------------------- ##
@@ -1065,8 +1066,8 @@ AT_DATA([[input.y]],
%%
start: ;
]])
AT_BISON_CHECK([[input.y]], [0], [],
[[input.y:1.9-15: warning: %define variable `foo_bar' is not used
AT_BISON_CHECK([[input.y]], [[1]], [],
[[input.y:1.9-15: %define variable `foo_bar' is not used
]])
AT_CLEANUP
@@ -1090,8 +1091,8 @@ AT_DATA([[input.y]],
start: ;
]])
AT_BISON_CHECK([[input.y]], [0], [],
[[input.y:1.9-16: warning: %define variable `api.pure' is not used
AT_BISON_CHECK([[input.y]], [[1]], [],
[[input.y:1.9-16: %define variable `api.pure' is not used
]])
])