# Checking the Bison scanner. -*- Autotest -*-
-# Copyright (C) 2002-2011 Free Software Foundation, Inc.
+# Copyright (C) 2002-2012 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
]])
AT_BISON_CHECK([input.y], [1], [],
-[[input.y:2.13-14: integer out of range: `$1'
-input.y:3.13-14: integer out of range: `@1'
+[[input.y:2.13-14: integer out of range: '$1'
+input.y:3.13-14: integer out of range: '@1'
]])
AT_CLEANUP
]])
AT_BISON_CHECK([input.y], [1], [],
-[[input.y:5.12-13: $$ for the midrule at $2 of `exp' has no declared type
-input.y:5.24-25: $2 of `exp' has no declared type
+[[input.y:5.12-13: $$ for the midrule at $2 of 'exp' has no declared type
+input.y:5.24-25: $2 of 'exp' has no declared type
input.y:5.6-32: warning: type clash on default action: <bar> != <>
input.y:6.6-8: warning: type clash on default action: <bar> != <>
input.y:7.5: warning: empty rule for typed nonterminal, and no action
# _AT_UNUSED_VALUES_DECLARATIONS()
-# --------------------------------------------
+# --------------------------------
# Generate the token, type, and destructor
# declarations for the unused values tests.
-
m4_define([_AT_UNUSED_VALUES_DECLARATIONS],
[[[%token <integer> INT;
%type <integer> a b c d e f g h i j k l;
# AT_CHECK_UNUSED_VALUES(DECLARATIONS_AFTER, CHECK_MIDRULE_VALUES)
-# ------------------------------------------------------------------
-# Generate a grammar to test unused values,
-# compile it, run it. If DECLARATIONS_AFTER
-# is set, then the token, type, and destructor
-# declarations are generated after the rules
-# rather than before. If CHECK_MIDRULE_VALUES
-# is set, then --warnings=midrule-values is
-# set.
-
+# ----------------------------------------------------------------
+# Generate a grammar to test unused values, compile it, run it. If
+# DECLARATIONS_AFTER is set, then the token, type, and destructor
+# declarations are generated after the rules rather than before. If
+# CHECK_MIDRULE_VALUES is set, then --warnings=midrule-values is set.
m4_define([AT_CHECK_UNUSED_VALUES],
[AT_DATA([input.y],
m4_ifval($1, [
AT_DATA([[input.y]],
[[%destructor { destroy ($$); } <*> <*>
-%printer { destroy ($$); } <*> <*>
+%printer { print ($$); } <*> <*>
%destructor { destroy ($$); } <*>
-%printer { destroy ($$); } <*>
+%printer { print ($$); } <*>
%destructor { destroy ($$); } <> <>
-%printer { destroy ($$); } <> <>
+%printer { print ($$); } <> <>
%destructor { destroy ($$); } <>
-%printer { destroy ($$); } <>
+%printer { print ($$); } <>
%%
start: ;
%destructor { destroy ($$); } <*>;
-%printer { destroy ($$); } <*>;
+%printer { print ($$); } <*>;
%destructor { destroy ($$); } <>;
-%printer { destroy ($$); } <>;
+%printer { print ($$); } <>;
]])
AT_BISON_CHECK([input.y], [1], [],
[[input.y:1.13-29: redeclaration for default tagged %destructor
input.y:1.13-29: previous declaration
-input.y:2.10-26: redeclaration for default tagged %printer
-input.y:2.10-26: previous declaration
+input.y:2.10-24: redeclaration for default tagged %printer
+input.y:2.10-24: previous declaration
input.y:4.13-29: redeclaration for default tagged %destructor
input.y:1.13-29: previous declaration
-input.y:5.10-26: redeclaration for default tagged %printer
-input.y:2.10-26: previous declaration
+input.y:5.10-24: redeclaration for default tagged %printer
+input.y:2.10-24: previous declaration
input.y:7.13-29: redeclaration for default tagless %destructor
input.y:7.13-29: previous declaration
-input.y:8.10-26: redeclaration for default tagless %printer
-input.y:8.10-26: previous declaration
+input.y:8.10-24: redeclaration for default tagless %printer
+input.y:8.10-24: previous declaration
input.y:10.13-29: redeclaration for default tagless %destructor
input.y:7.13-29: previous declaration
-input.y:11.10-26: redeclaration for default tagless %printer
-input.y:8.10-26: previous declaration
+input.y:11.10-24: redeclaration for default tagless %printer
+input.y:8.10-24: previous declaration
input.y:17.13-29: redeclaration for default tagged %destructor
input.y:4.13-29: previous declaration
-input.y:18.10-26: redeclaration for default tagged %printer
-input.y:5.10-26: previous declaration
+input.y:18.10-24: redeclaration for default tagged %printer
+input.y:5.10-24: previous declaration
input.y:20.13-29: redeclaration for default tagless %destructor
input.y:10.13-29: previous declaration
-input.y:21.10-26: redeclaration for default tagless %printer
-input.y:11.10-26: previous declaration
+input.y:21.10-24: redeclaration for default tagless %printer
+input.y:11.10-24: previous declaration
]])
AT_CLEANUP
AT_DATA([[input.y]],
[[%destructor { destroy ($$); } <field1> <field2>
-%printer { destroy ($$); } <field1> <field2>
+%printer { print ($$); } <field1> <field2>
%destructor { destroy ($$); } <field1> <field1>
-%printer { destroy ($$); } <field2> <field2>
+%printer { print ($$); } <field2> <field2>
%%
start: ;
%destructor { destroy ($$); } <field2> <field1>;
-%printer { destroy ($$); } <field2> <field1>;
+%printer { print ($$); } <field2> <field1>;
]])
AT_BISON_CHECK([input.y], [1], [],
input.y:1.13-29: previous declaration
input.y:4.13-29: %destructor redeclaration for <field1>
input.y:4.13-29: previous declaration
-input.y:5.10-26: %printer redeclaration for <field2>
-input.y:2.10-26: previous declaration
-input.y:5.10-26: %printer redeclaration for <field2>
-input.y:5.10-26: previous declaration
+input.y:5.10-24: %printer redeclaration for <field2>
+input.y:2.10-24: previous declaration
+input.y:5.10-24: %printer redeclaration for <field2>
+input.y:5.10-24: previous declaration
input.y:11.13-29: %destructor redeclaration for <field1>
input.y:4.13-29: previous declaration
input.y:11.13-29: %destructor redeclaration for <field2>
input.y:1.13-29: previous declaration
-input.y:12.10-26: %printer redeclaration for <field1>
-input.y:2.10-26: previous declaration
-input.y:12.10-26: %printer redeclaration for <field2>
-input.y:5.10-26: previous declaration
+input.y:12.10-24: %printer redeclaration for <field1>
+input.y:2.10-24: previous declaration
+input.y:12.10-24: %printer redeclaration for <field2>
+input.y:5.10-24: previous declaration
+]])
+
+AT_CLEANUP
+
+## ----------------------------------------------------- ##
+## Undeclared symbols used for a printer or destructor. ##
+## ----------------------------------------------------- ##
+
+AT_SETUP([Undeclared symbols used for a printer or destructor])
+
+AT_DATA([[input.y]],
+[[%printer {} foo baz
+%destructor {} bar
+
+%%
+exp: bar;
+]])
+
+AT_BISON_CHECK([input.y], [1], [],
+[[input.y:2.16-18: symbol bar is used, but is not defined as a token and has no rules
+input.y:1.17-19: warning: symbol baz is used, but is not defined as a token and has no rules
+input.y:1.13-15: warning: symbol foo is used, but is not defined as a token and has no rules
]])
AT_CLEANUP
AT_SETUP([Torturing the Scanner])
-
+AT_BISON_OPTION_PUSHDEFS
AT_DATA([input.y], [])
AT_BISON_CHECK([input.y], [1], [],
[[input.y:1.1: syntax error, unexpected end of file
%}
%{
-static void yyerror (const char *s);
-static int yylex (void);
+]AT_YYERROR_DECLARE[
+]AT_YYLEX_DECLARE[
%}
%type <ival> '@<:@'
res.ival = val;
return res;
}
-
+]AT_YYERROR_DEFINE[
static int
yylex (void)
{
yylval = value_as_yystype (input[toknum]);
return input[toknum++];
}
-
-static void
-yyerror (const char *msg)
-{
- fprintf (stderr, "%s\n", msg);
-}
]])
# Pacify Emacs'font-lock-mode: "
return yyparse ();
}
]])
+AT_BISON_OPTION_POPDEFS
AT_BISON_CHECK([-d -v -o input.c input.y])
AT_COMPILE([input.o], [-c input.c])
AT_SETUP([String aliases for character tokens])
-# Bison once thought a character token and its alias were different symbols
-# with the same user token number.
+# Bison once thought a character token and its alias were different
+# symbols with the same user token number.
AT_DATA_GRAMMAR([input.y],
[[%token 'a' "a"
AT_SETUP([Symbols])
+AT_BISON_OPTION_PUSHDEFS
AT_DATA_GRAMMAR([input.y],
[[%token WITH-DASH
%token WITHOUT_DASH "WITHOUT-DASH"
%token WITH.PERIOD
%token WITHOUT_PERIOD "WITHOUT.PERIOD"
%code {
- void yyerror (char const *);
- int yylex (void);
+ ]AT_YYERROR_DECLARE[
+ ]AT_YYLEX_DECLARE[
}
%%
start: with-dash without_dash with.period without_period;
with.period: WITH.PERIOD;
without_period: "WITHOUT.PERIOD";
%%
+]AT_YYERROR_DEFINE[
+]AT_YYLEX_DEFINE[
]])
+AT_BISON_OPTION_POPDEFS
# POSIX Yacc accept periods, but not dashes.
AT_BISON_CHECK([--yacc input.y], [1], [],
start: .GOOD GOOD
]])
AT_BISON_CHECK([-o input.c input.y], [1], [],
-[[input.y:10.10: invalid character: `-'
-input.y:11.10-16: invalid identifier: `1NV4L1D'
-input.y:12.10: invalid character: `-'
+[[input.y:10.10: invalid character: '-'
+input.y:11.10-16: invalid identifier: '1NV4L1D'
+input.y:12.10: invalid character: '-'
]])
AT_CLEANUP
]])
AT_BISON_CHECK([too-large.y], [1], [],
-[[too-large.y:9.22-42: integer out of range: `999999999999999999999'
-too-large.y:10.24-44: integer out of range: `0xFFFFFFFFFFFFFFFFFFF'
+[[too-large.y:9.22-42: integer out of range: '999999999999999999999'
+too-large.y:10.24-44: integer out of range: '0xFFFFFFFFFFFFFFFFFFF'
]])
AT_CLEANUP
AT_SETUP([Unclosed constructs])
-# Bison's scan-gram.l once forgot to STRING_FINISH some unclosed constructs, so
-# they were prepended to whatever it STRING_GROW'ed next. It also threw them
-# away rather than returning them to the parser. The effect was confusing
-# subsequent error messages.
+# Bison's scan-gram.l once forgot to STRING_FINISH some unclosed
+# constructs, so they were prepended to whatever it STRING_GROW'ed
+# next. It also threw them away rather than returning them to the
+# parser. The effect was confusing subsequent error messages.
AT_DATA([input.y],
[[%token A "a
]])
AT_BISON_CHECK([-o input.c input.y], 1, [],
-[[input.y:1.10-2.0: missing `"' at end of line
-input.y:4.10-5.0: missing `'' at end of line
-input.y:14.11-15.0: missing `'' at end of line
-input.y:16.11-17.0: missing `"' at end of line
-input.y:19.13-20.0: missing `}' at end of file
+[[input.y:1.10-2.0: missing '"' at end of line
+input.y:4.10-5.0: missing "'" at end of line
+input.y:14.11-15.0: missing "'" at end of line
+input.y:16.11-17.0: missing '"' at end of line
+input.y:19.13-20.0: missing '}' at end of file
input.y:20.1: syntax error, unexpected end of file
]])
AT_SETUP([%start after first rule])
-# Bison once complained that a %start after the first rule was a redeclaration
-# of the start symbol.
+# Bison once complained that a %start after the first rule was a
+# redeclaration of the start symbol.
AT_DATA([input.y],
[[%%
start: ;
]])
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
+[[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],
start: ;
]])
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
+[[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],
start: ;
]])
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
+[[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],
start: ;
]])
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
+[[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],
start: ;
]])
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
+[[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],
start: ;
]])
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
+[[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
]])
AT_BISON_CHECK([[input-redefined.y]], [[1]], [],
-[[input-redefined.y:2.9-11: %define variable `var' redefined
+[[input-redefined.y:2.9-11: %define variable 'var' redefined
input-redefined.y:1.9-11: previous definition
-input-redefined.y:3.10-12: %define variable `var' redefined
+input-redefined.y:3.10-12: %define variable 'var' redefined
input-redefined.y:2.9-11: previous definition
]])
]])
AT_BISON_CHECK([[input-unused.y]], [[1]], [],
-[[input-unused.y:1.9-11: %define variable `var' is not used
+[[input-unused.y:1.9-11: %define variable 'var' is not used
]])
AT_CLEANUP
start: ;
]])
AT_BISON_CHECK([[-Dvar=cmd-d input-dg.y]], [[1]], [],
-[[input-dg.y:1.9-11: %define variable `var' redefined
+[[input-dg.y:1.9-11: %define variable 'var' redefined
<command line>:2: previous definition
]])
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
+[[<command line>:2: %define variable 'unused-d' is not used
+<command line>:3: %define variable 'unused-f' is not used
]])
AT_CLEANUP
]])
AT_BISON_CHECK([[Input.y]], [1], [],
-[[Input.y:2.9-14: invalid value for %define Boolean variable `public'
+[[Input.y:2.9-14: invalid value for %define Boolean variable 'public'
]])
AT_CLEANUP
start: ;
]])
AT_BISON_CHECK([[input.y]], [[1]], [[]],
-[[input.y:1.9-29: invalid value for %define variable `lr.default-reductions': `bogus'
-input.y:1.9-29: accepted value: `full'
-input.y:1.9-29: accepted value: `consistent'
-input.y:1.9-29: accepted value: `accepting'
+[[input.y:1.9-29: invalid value for %define variable 'lr.default-reductions': 'bogus'
+input.y:1.9-29: accepted value: 'most'
+input.y:1.9-29: accepted value: 'consistent'
+input.y:1.9-29: accepted value: 'accepting'
]])
# Back-end.
start: ;
]])
AT_BISON_CHECK([[input.y]], [1], [],
-[[input.y:1.9-21: invalid value for %define variable `api.push-pull': `neither'
-input.y:1.9-21: accepted value: `pull'
-input.y:1.9-21: accepted value: `push'
-input.y:1.9-21: accepted value: `both'
+[[input.y:1.9-21: invalid value for %define variable 'api.push-pull': 'neither'
+input.y:1.9-21: accepted value: 'pull'
+input.y:1.9-21: accepted value: 'push'
+input.y:1.9-21: accepted value: 'both'
]])
AT_CLEANUP
start: ;
]])
AT_BISON_CHECK([[input.y]], [1], [],
-[[input.y:1.9-21: invalid value for %define variable `api.push-pull': `neither'
-input.y:1.9-21: accepted value: `pull'
-input.y:1.9-21: accepted value: `push'
-input.y:1.9-21: accepted value: `both'
+[[input.y:1.9-21: invalid value for %define variable 'api.push-pull': 'neither'
+input.y:1.9-21: accepted value: 'pull'
+input.y:1.9-21: accepted value: 'push'
+input.y:1.9-21: accepted value: 'both'
]])
AT_DATA([[input.y]],
start: ;
]])
AT_BISON_CHECK([[input.y]], [1], [],
-[[input.y:1.9-34: invalid value for %define Boolean variable `lr.keep-unreachable-states'
+[[input.y:1.9-34: invalid value for %define Boolean variable 'lr.keep-unreachable-states'
+]])
+
+AT_DATA([[input.y]],
+[[%define namespace "foo"
+%define api.namespace "foo"
+%%
+start: ;
+]])
+AT_BISON_CHECK([[input.y]], [1], [],
+[[input.y:2.9-21: %define variable 'api.namespace' redefined
+input.y:1.9-17: previous definition
]])
AT_DATA([[input.y]],
start: ;
]])
AT_BISON_CHECK([[input.y]], [[1]], [],
-[[input.y:1.9-15: %define variable `foo_bar' is not used
+[[input.y:1.9-15: %define variable 'foo_bar' is not used
]])
AT_CLEANUP
]])
AT_BISON_CHECK([[input.y]], [[1]], [],
-[[input.y:1.9-16: %define variable `api.pure' is not used
+[[input.y:1.9-16: %define variable 'api.pure' is not used
]])
])
AT_DATA([[input.y]],
[[%language "C++"
%defines
-%define namespace "]$1["
+%define api.namespace "]$1["
%%
start: ;
]])
AT_BISON_CHECK([[input.y]], [1], [],
[m4_foreach([b4_arg], m4_dquote(m4_shift($@)),
-[[input.y:3.9-17: ]b4_arg[
+[[input.y:3.9-21: ]b4_arg[
]])])
])
AT_BISON_CHECK([empty.y], [1], [],
[[empty.y:2.8-9: warning: empty character literal
empty.y:3.8-4.0: warning: empty character literal
-empty.y:3.8-4.0: missing `'' at end of line
+empty.y:3.8-4.0: missing "'" at end of line
empty.y:4.8: warning: empty character literal
-empty.y:4.8: missing `'' at end of file
+empty.y:4.8: missing "'" at end of file
]])
AT_DATA([two.y],
AT_BISON_CHECK([two.y], [1], [],
[[two.y:2.8-11: warning: extra characters in character literal
two.y:3.8-4.0: warning: extra characters in character literal
-two.y:3.8-4.0: missing `'' at end of line
+two.y:3.8-4.0: missing "'" at end of line
two.y:4.8-10: warning: extra characters in character literal
-two.y:4.8-10: missing `'' at end of file
+two.y:4.8-10: missing "'" at end of file
]])
AT_DATA([three.y],
AT_BISON_CHECK([three.y], [1], [],
[[three.y:2.8-12: warning: extra characters in character literal
three.y:3.8-4.0: warning: extra characters in character literal
-three.y:3.8-4.0: missing `'' at end of line
+three.y:3.8-4.0: missing "'" at end of line
three.y:4.8-11: warning: extra characters in character literal
-three.y:4.8-11: missing `'' at end of file
+three.y:4.8-11: missing "'" at end of file
]])
AT_CLEANUP
input.y:3.26-37: warning: empty character literal
input.y:3.40-49: invalid number after \-escape: U00000000
input.y:3.39-50: warning: empty character literal
-input.y:4.9-10: invalid character after \-escape: ` '
+input.y:4.9-10: invalid character after \-escape: ' '
input.y:4.8-11: warning: empty character literal
input.y:4.14-15: invalid character after \-escape: A
input.y:4.13-16: warning: empty character literal
# parse.lac.* options are useless if LAC isn't actually activated.
AT_BISON_CHECK([[-Dparse.lac.es-capacity-initial=1 input.y]],
[[1]], [],
-[[<command line>:2: %define variable `parse.lac.es-capacity-initial' is not used
+[[<command line>:2: %define variable 'parse.lac.es-capacity-initial' is not used
]])
AT_BISON_CHECK([[-Dparse.lac.memory-trace=full input.y]],
[[1]], [],
-[[<command line>:2: %define variable `parse.lac.memory-trace' is not used
+[[<command line>:2: %define variable 'parse.lac.memory-trace' is not used
+]])
+
+AT_CLEANUP
+
+## --------------------------------------------- ##
+## -Werror is not affected by -Wnone and -Wall. ##
+## --------------------------------------------- ##
+
+AT_SETUP([[-Werror is not affected by -Wnone and -Wall]])
+
+AT_DATA([[input.y]],
+[[%%
+foo-bar: ;
+]])
+
+# -Werror is not enabled by -Wall or equivalent.
+AT_BISON_CHECK([[-Wall input.y]], [[0]], [[]],
+[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar
+]])
+AT_BISON_CHECK([[-W input.y]], [[0]], [[]],
+[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar
+]])
+AT_BISON_CHECK([[-Wno-none input.y]], [[0]], [[]],
+[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar
+]])
+
+# -Werror is not disabled by -Wnone or equivalent.
+AT_BISON_CHECK([[-Werror,none,yacc input.y]], [[1]], [[]], [[stderr]])
+AT_CHECK([[sed 's/^.*bison:/bison:/' stderr]], [[0]],
+[[bison: warnings being treated as errors
+input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar
]])
+[mv stderr experr]
+AT_BISON_CHECK([[-Werror,no-all,yacc input.y]], [[1]], [[]], [[experr]])
AT_CLEANUP
projects / bison.git / blobdiff