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Merge remote-tracking branch 'origin/maint'

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* origin/maint:
  news: prepare for forthcoming release
  doc: explain how mid-rule actions are translated
  error: use better locations for unused midrule values
  doc: various minor improvements and fixes
  tests: ignore more useless compiler warnings
  tests: be robust to C being compiled with a C++11 compiler
  build: beware of Clang++ not supporting POSIXLY_CORRECT
  maint: post-release administrivia
  version 2.6.90
  build: fix syntax-check error.
  cpp: simplify the Flex version checking macro
  news: improve the carets example and fix a typo
  cpp: improve the Flex version checking macro
  carets: improve the code
  maint: update news
  build: keep -Wmissing-declarations and -Wmissing-prototypes for modern GCCs
  build: drop -Wcast-qual
  gnulib: update

Conflicts:
	NEWS
	doc/Makefile.am
	doc/bison.texi
	gnulib
	src/reader.c
	tests/actions.at
	tests/atlocal.in
	tests/input.at
This commit is contained in:
Theophile Ranquet
2012-12-10 17:01:55 +01:00
parent f3ead217b8 d4fe9e88f3
commit 0906b12cd5
18 changed files with 611 additions and 278 deletions
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143
tests/input.at
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@@ -169,42 +169,109 @@ l: INT | INT { $<integer>$ = $<integer>1; } INT { $<integer>$ = $<integer>2 + $<
_AT_UNUSED_VALUES_DECLARATIONS])
)
AT_BISON_CHECK(m4_ifval($2, [ --warnings=midrule-values ])[ input.y], [0], [],
[[input.y:11.10-32: warning: unset value: $]$[ [-Wother]
input.y:11.10-32: warning: unused value: $]1[ [-Wother]
input.y:11.10-32: warning: unused value: $]3[ [-Wother]
input.y:11.10-32: warning: unused value: $]5[ [-Wother]
AT_BISON_CHECK(m4_ifval($2, [--warnings=midrule-values ])[-fcaret input.y],
[0], [],
[[input.y:11.10-32: warning: unset value: $][$ [-Wother]
a: INT | INT { } INT { } INT { };
^^^^^^^^^^^^^^^^^^^^^^^
input.y:11.10-12: warning: unused value: $][1 [-Wother]
a: INT | INT { } INT { } INT { };
^^^
input.y:11.18-20: warning: unused value: $][3 [-Wother]
a: INT | INT { } INT { } INT { };
^^^
input.y:11.26-28: warning: unused value: $][5 [-Wother]
a: INT | INT { } INT { } INT { };
^^^
input.y:12.9: warning: empty rule for typed nonterminal, and no action [-Wother]
]]m4_ifval($2, [[[input.y:13.14-20: warning: unset value: $$ [-Wmidrule-values]
input.y:13.26-41: warning: unset value: $$ [-Wmidrule-values]
]]])[[input.y:13.10-62: warning: unset value: $]$[ [-Wother]
input.y:13.10-62: warning: unused value: $]3[ [-Wother]
input.y:13.10-62: warning: unused value: $]5[ [-Wother]
]]m4_ifval($2, [[[input.y:14.14-16: warning: unset value: $$ [-Wmidrule-values]
]]])[[input.y:14.10-49: warning: unset value: $]$[ [-Wother]
input.y:14.10-49: warning: unused value: $]3[ [-Wother]
input.y:14.10-49: warning: unused value: $]5[ [-Wother]
input.y:15.10-37: warning: unset value: $]$[ [-Wother]
input.y:15.10-37: warning: unused value: $]3[ [-Wother]
input.y:15.10-37: warning: unused value: $]5[ [-Wother]
input.y:17.10-58: warning: unset value: $]$[ [-Wother]
input.y:17.10-58: warning: unused value: $]1[ [-Wother]
]]m4_ifval($2, [[[input.y:17.10-58: warning: unused value: $]2[ [-Wmidrule-values]
]]])[[input.y:17.10-58: warning: unused value: $]3[ [-Wother]
]]m4_ifval($2, [[[input.y:17.10-58: warning: unused value: $]4[ [-Wmidrule-values]
]]])[[input.y:17.10-58: warning: unused value: $]5[ [-Wother]
input.y:18.10-72: warning: unset value: $]$[ [-Wother]
input.y:18.10-72: warning: unused value: $]1[ [-Wother]
input.y:18.10-72: warning: unused value: $]3[ [-Wother]
]]m4_ifval($2, [[[input.y:18.10-72: warning: unused value: $]4[ [-Wmidrule-values]
]]])[[input.y:18.10-72: warning: unused value: $]5[ [-Wother]
]]m4_ifval($2, [[[input.y:20.10-55: warning: unused value: $]3[ [-Wmidrule-values]
]]])[[input.y:21.10-68: warning: unset value: $]$[ [-Wother]
input.y:21.10-68: warning: unused value: $]1[ [-Wother]
input.y:21.10-68: warning: unused value: $]2[ [-Wother]
]]m4_ifval($2, [[[input.y:21.10-68: warning: unused value: $]4[ [-Wmidrule-values]
]]]))])
b: INT | /* empty */;
^
]]m4_ifval($2, [[[input.y:13.14-20: warning: unset value: $][$ [-Wmidrule-values]
c: INT | INT { $][1; } INT { $<integer>2; } INT { $<integer>4; };
^^^^^^^
input.y:13.26-41: warning: unset value: $][$ [-Wmidrule-values]
c: INT | INT { $][1; } INT { $<integer>2; } INT { $<integer>4; };
^^^^^^^^^^^^^^^^
]]])[[input.y:13.10-62: warning: unset value: $][$ [-Wother]
c: INT | INT { $][1; } INT { $<integer>2; } INT { $<integer>4; };
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
input.y:13.22-24: warning: unused value: $][3 [-Wother]
c: INT | INT { $][1; } INT { $<integer>2; } INT { $<integer>4; };
^^^
input.y:13.43-45: warning: unused value: $][5 [-Wother]
c: INT | INT { $][1; } INT { $<integer>2; } INT { $<integer>4; };
^^^
]]m4_ifval($2, [[[input.y:14.14-16: warning: unset value: $][$ [-Wmidrule-values]
d: INT | INT { } INT { $][1; } INT { $<integer>2; };
^^^
]]])[[input.y:14.10-49: warning: unset value: $][$ [-Wother]
d: INT | INT { } INT { $][1; } INT { $<integer>2; };
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
input.y:14.18-20: warning: unused value: $][3 [-Wother]
d: INT | INT { } INT { $][1; } INT { $<integer>2; };
^^^
input.y:14.30-32: warning: unused value: $][5 [-Wother]
d: INT | INT { } INT { $][1; } INT { $<integer>2; };
^^^
input.y:15.10-37: warning: unset value: $][$ [-Wother]
e: INT | INT { } INT { } INT { $][1; };
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
input.y:15.18-20: warning: unused value: $][3 [-Wother]
e: INT | INT { } INT { } INT { $][1; };
^^^
input.y:15.27-29: warning: unused value: $][5 [-Wother]
e: INT | INT { } INT { } INT { $][1; };
^^^
input.y:17.10-58: warning: unset value: $][$ [-Wother]
g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { };
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
input.y:17.10-12: warning: unused value: $][1 [-Wother]
g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { };
^^^
]]m4_ifval($2, [[[input.y:17.14-29: warning: unused value: $][2 [-Wmidrule-values]
g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { };
^^^^^^^^^^^^^^^^
]]])[[input.y:17.31-33: warning: unused value: $][3 [-Wother]
g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { };
^^^
]]m4_ifval($2, [[[input.y:17.35-50: warning: unused value: $][4 [-Wmidrule-values]
g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { };
^^^^^^^^^^^^^^^^
]]])[[input.y:17.52-54: warning: unused value: $][5 [-Wother]
g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { };
^^^
input.y:18.10-72: warning: unset value: $][$ [-Wother]
h: INT | INT { $<integer>$; } INT { $<integer>$ = $<integer>2; } INT { };
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
input.y:18.10-12: warning: unused value: $][1 [-Wother]
h: INT | INT { $<integer>$; } INT { $<integer>$ = $<integer>2; } INT { };
^^^
input.y:18.31-33: warning: unused value: $][3 [-Wother]
h: INT | INT { $<integer>$; } INT { $<integer>$ = $<integer>2; } INT { };
^^^
]]m4_ifval($2, [[[input.y:18.35-64: warning: unused value: $][4 [-Wmidrule-values]
h: INT | INT { $<integer>$; } INT { $<integer>$ = $<integer>2; } INT { };
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
]]])[[input.y:18.66-68: warning: unused value: $][5 [-Wother]
h: INT | INT { $<integer>$; } INT { $<integer>$ = $<integer>2; } INT { };
^^^
]]m4_ifval($2, [[[input.y:20.18-37: warning: unused value: $][3 [-Wmidrule-values]
j: INT | INT INT { $<integer>$ = 1; } { $][$ = $][1 + $][2; };
^^^^^^^^^^^^^^^^^^^^
]]])[[input.y:21.10-68: warning: unset value: $][$ [-Wother]
k: INT | INT INT { $<integer>$; } { $<integer>$ = $<integer>3; } { };
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
input.y:21.10-12: warning: unused value: $][1 [-Wother]
k: INT | INT INT { $<integer>$; } { $<integer>$ = $<integer>3; } { };
^^^
input.y:21.14-16: warning: unused value: $][2 [-Wother]
k: INT | INT INT { $<integer>$; } { $<integer>$ = $<integer>3; } { };
^^^
]]m4_ifval($2, [[[input.y:21.35-64: warning: unused value: $][4 [-Wmidrule-values]
k: INT | INT INT { $<integer>$; } { $<integer>$ = $<integer>3; } { };
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
]]]))
])
## --------------- ##
## Unused values. ##
@@ -465,7 +532,7 @@ tagged: { } ;
AT_BISON_CHECK([input.y], [0], [],
[[input.y:6.8-45: warning: unset value: $$ [-Wother]
input.y:6.8-45: warning: unused value: $2 [-Wother]
input.y:6.12-14: warning: unused value: $2 [-Wother]
input.y:7.6-8: warning: unset value: $$ [-Wother]
]])
@@ -481,7 +548,7 @@ tagged: { } ;
]])
AT_BISON_CHECK([input.y], [0], [],
[[input.y:6.8-45: warning: unused value: $4 [-Wother]
[[input.y:6.23-28: warning: unused value: $4 [-Wother]
input.y:8.9-11: warning: unset value: $$ [-Wother]
]])
@@ -506,7 +573,7 @@ end: { } ;
AT_BISON_CHECK([input.y], [0], [],
[[input.y:6.8-22: warning: unset value: $$ [-Wother]
input.y:6.8-22: warning: unused value: $2 [-Wother]
input.y:6.12-14: warning: unused value: $2 [-Wother]
input.y:7.6-8: warning: unset value: $$ [-Wother]
]])