# Checking the Bison scanner. -*- Autotest -*-
-# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation,
-# Inc.
+# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+# 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
exp: { @$ = @1 ; };
]])
-AT_CHECK([bison input.y], [1], [],
+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'
]])
;
]])
-AT_CHECK([bison input.y], [1], [],
+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:5.6-32: warning: type clash on default action: <bar> != <>
# _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_UNUSED_VALUES_DECLARATIONS
])[[%%
start:
- 'a' a { $]2[ } | 'b' b { $]2[ } | 'c' c { $]2[ } | 'd' d { $]2[ } | 'e' e { $]2[ }
-| 'f' f { $]2[ } | 'g' g { $]2[ } | 'h' h { $]2[ } | 'i' i { $]2[ } | 'j' j { $]2[ }
-| 'k' k { $]2[ } | 'l' l { $]2[ }
+ 'a' a { $]2[; } | 'b' b { $]2[; } | 'c' c { $]2[; } | 'd' d { $]2[; }
+| 'e' e { $]2[; } | 'f' f { $]2[; } | 'g' g { $]2[; } | 'h' h { $]2[; }
+| 'i' i { $]2[; } | 'j' j { $]2[; } | 'k' k { $]2[; } | 'l' l { $]2[; }
;
a: INT | INT { } INT { } INT { };
b: INT | /* empty */;
-c: INT | INT { $]1[ } INT { $<integer>2 } INT { $<integer>4 };
-d: INT | INT { } INT { $]1[ } INT { $<integer>2 };
-e: INT | INT { } INT { } INT { $]1[ };
+c: INT | INT { $]1[; } INT { $<integer>2; } INT { $<integer>4; };
+d: INT | INT { } INT { $]1[; } INT { $<integer>2; };
+e: INT | INT { } INT { } INT { $]1[; };
f: INT | INT { } INT { } INT { $]$[ = $]1[ + $]3[ + $]5[; };
g: INT | INT { $<integer>$; } INT { $<integer>$; } INT { };
h: INT | INT { $<integer>$; } INT { $<integer>$ = $<integer>2; } INT { };
_AT_UNUSED_VALUES_DECLARATIONS])
)
-AT_CHECK([bison]m4_ifval($2, [ --warnings=midrule-values ])[ input.y], [0], [],
+AT_BISON_CHECK(m4_ifval($2, [ --warnings=midrule-values ])[ input.y], [0], [],
[[input.y:11.10-32: warning: unset value: $]$[
input.y:11.10-32: warning: unused value: $]1[
input.y:11.10-32: warning: unused value: $]3[
input.y:11.10-32: warning: unused value: $]5[
input.y:12.9: warning: empty rule for typed nonterminal, and no action
-]]m4_ifval($2, [[[input.y:13.14-19: warning: unset value: $$
-input.y:13.25-39: warning: unset value: $$
-]]])[[input.y:13.10-59: warning: unset value: $]$[
-input.y:13.10-59: warning: unused value: $]3[
-input.y:13.10-59: warning: unused value: $]5[
+]]m4_ifval($2, [[[input.y:13.14-20: warning: unset value: $$
+input.y:13.26-41: warning: unset value: $$
+]]])[[input.y:13.10-62: warning: unset value: $]$[
+input.y:13.10-62: warning: unused value: $]3[
+input.y:13.10-62: warning: unused value: $]5[
]]m4_ifval($2, [[[input.y:14.14-16: warning: unset value: $$
-]]])[[input.y:14.10-47: warning: unset value: $]$[
-input.y:14.10-47: warning: unused value: $]3[
-input.y:14.10-47: warning: unused value: $]5[
-input.y:15.10-36: warning: unset value: $]$[
-input.y:15.10-36: warning: unused value: $]3[
-input.y:15.10-36: warning: unused value: $]5[
+]]])[[input.y:14.10-49: warning: unset value: $]$[
+input.y:14.10-49: warning: unused value: $]3[
+input.y:14.10-49: warning: unused value: $]5[
+input.y:15.10-37: warning: unset value: $]$[
+input.y:15.10-37: warning: unused value: $]3[
+input.y:15.10-37: warning: unused value: $]5[
input.y:17.10-58: warning: unset value: $]$[
input.y:17.10-58: warning: unused value: $]1[
]]m4_ifval($2, [[[input.y:17.10-58: warning: unused value: $]2[
%printer { destroy ($$); } <>;
]])
-AT_CHECK([bison input.y], [1], [],
+AT_BISON_CHECK([input.y], [1], [],
[[input.y:1.13-29: redeclaration for default tagged %destructor
input.y:1.13-29: previous declaration
input.y:2.10-26: redeclaration for default tagged %printer
%printer { destroy ($$); } <field2> <field1>;
]])
-AT_CHECK([bison input.y], [1], [],
+AT_BISON_CHECK([input.y], [1], [],
[[input.y:4.13-29: %destructor redeclaration for <field1>
input.y:1.13-29: previous declaration
input.y:4.13-29: %destructor redeclaration for <field1>
tagged: { } ;
]])
-AT_CHECK([bison input.y], [0], [],
+AT_BISON_CHECK([input.y], [0], [],
[[input.y:6.8-45: warning: unset value: $$
input.y:6.8-45: warning: unused value: $2
input.y:7.6-8: warning: unset value: $$
tagged: { } ;
]])
-AT_CHECK([bison input.y], [0], [],
+AT_BISON_CHECK([input.y], [0], [],
[[input.y:6.8-45: warning: unused value: $4
input.y:8.9-11: warning: unset value: $$
]])
end: { } ;
]])
-AT_CHECK([bison input.y], [0], [],
+AT_BISON_CHECK([input.y], [0], [],
[[input.y:6.8-22: warning: unset value: $$
input.y:6.8-22: warning: unused value: $2
input.y:7.6-8: warning: unset value: $$
exp: foo;
]])
-AT_CHECK([bison input.y], [1], [],
+AT_BISON_CHECK([input.y], [1], [],
[[input.y:8.7-11: %type redeclaration for foo
input.y:3.7-11: previous declaration
input.y:10.13-17: %destructor redeclaration for foo
AT_DATA([input.y], [])
-AT_CHECK([bison input.y], [1], [],
+AT_BISON_CHECK([input.y], [1], [],
[[input.y:1.1: syntax error, unexpected end of file
]])
AT_DATA([input.y],
[{}
])
-AT_CHECK([bison input.y], [1], [],
+AT_BISON_CHECK([input.y], [1], [],
[[input.y:1.1-2: syntax error, unexpected {...}
]])
}
]])
-AT_CHECK([bison -d -v -o input.c input.y])
+AT_BISON_CHECK([-d -v -o input.c input.y])
AT_COMPILE([input.o], [-c input.c])
AT_COMPILE([main.o], [-c main.c])
AT_COMPILE([input], [input.o main.o])
%%
]])
-AT_CHECK([bison -o input.c input.y])
+AT_BISON_CHECK([-o input.c input.y])
AT_CLEANUP
%%
empty_file:;
]])
-AT_CHECK([bison -o input.c input.y], $2, [], ignore)
+AT_BISON_CHECK([-o input.c input.y], $2, [], ignore)
AT_CLEANUP
])
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_CHECK([bison -o input.c input.y])
+AT_BISON_CHECK([-o input.c input.y])
+
+AT_CLEANUP
+
+
+## -------------- ##
+## Symbol names. ##
+## -------------- ##
+
+AT_SETUP([Symbols])
+
+# Bison once thought a character token and its alias were different
+# symbols with the same user token number.
+
+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);
+}
+%%
+start: with-dash without_dash with.period without_period;
+with-dash: WITH-DASH;
+without_dash: "WITHOUT-DASH";
+with.period: WITH.PERIOD;
+without_period: "WITHOUT.PERIOD";
+%%
+]])
+
+# POSIX Yacc accept periods, but not dashes.
+AT_BISON_CHECK([--yacc input.y], [1], [],
+[[input.y:9.8-16: POSIX Yacc forbids dashes in symbol names: WITH-DASH
+input.y:18.8-16: POSIX Yacc forbids dashes in symbol names: with-dash
+]])
+
+# So warn about them.
+AT_BISON_CHECK([-Wyacc input.y], [], [],
+[[input.y:9.8-16: warning: POSIX Yacc forbids dashes in symbol names: WITH-DASH
+input.y:18.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash
+]])
+
+# Dashes are fine for GNU Bison.
+AT_BISON_CHECK([-o input.c input.y])
+
+# Make sure we don't export silly token identifiers with periods or dashes.
+AT_COMPILE([input.o], [-c input.c])
+
+
+# Period are genuine letters, they can start identifiers. Dashes
+# and digits can't.
+AT_DATA_GRAMMAR([input.y],
+[[%token .good
+%token -wrong
+%token 1nv4l1d
+%%
+start: .good
+]])
+AT_BISON_CHECK([-o input.c input.y], [1], [],
+[[input.y:10.8: invalid character: `-'
+input.y:11.8: syntax error, unexpected integer, expecting char or identifier or <tag>
+]])
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
%destructor { free ($$)
]])
-AT_CHECK([bison -o input.c input.y], 1, [],
+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
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 start;
]])
-AT_CHECK([bison -o input.c input.y])
+AT_BISON_CHECK([-o input.c input.y])
AT_CLEANUP
PREC: ;
]])
-AT_CHECK([bison input.y], [1], [],
+AT_BISON_CHECK([input.y], [1], [],
[[input.y:3.1-4: rule given for PREC, which is a token
]])
%%
start: ;
]])
-AT_CHECK([[bison input-c.y]], [0], [],
+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
%%
start: ;
]])
-AT_CHECK([[bison input-c-glr.y]], [0], [],
+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
%%
start: ;
]])
-AT_CHECK([[bison input-c++.y]], [0], [],
+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
%%
start: ;
]])
-AT_CHECK([[bison input-c++-glr.y]], [0], [],
+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
%%
start: ;
]])
-AT_CHECK([[bison special-char-@@.y]], [0], [],
+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
%%
start: ;
]])
-AT_CHECK([[bison special-char-@:>@.y]], [0], [],
+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
start: ;
]])
-AT_CHECK([[bison input.y]], [0], [],
+AT_BISON_CHECK([[input.y]], [0], [],
[[input.y:2.9-11: warning: %define variable `var' redefined
input.y:1.9-11: warning: previous definition
input.y:3.10-12: warning: %define variable `var' redefined
AT_CLEANUP
+
+## ------------------- ##
+## %define, --define. ##
+## ------------------- ##
+
+AT_SETUP([%define, --define])
+
+AT_DATA([input.y],
+[[%define var "value1"
+%%
+start: ;
+]])
+
+AT_BISON_CHECK([[-DFOO -DFOO -Dvar=value input.y]], [0], [],
+[[<command line>:3: warning: %define variable `FOO' redefined
+<command line>:2: warning: previous definition
+input.y:1.9-11: warning: %define variable `var' redefined
+<command line>:4: warning: previous definition
+<command line>:2: warning: %define variable `FOO' is not used
+<command line>:3: warning: %define variable `FOO' is not used
+<command line>:4: warning: %define variable `var' is not used
+input.y:1.9-11: warning: %define variable `var' is not used
+]])
+
+AT_CLEANUP
+
## --------------------------- ##
## %define Boolean variables. ##
## --------------------------- ##
start: ;
]])
-AT_CHECK([[bison Input.y]], [1], [],
+AT_BISON_CHECK([[Input.y]], [1], [],
[[Input.y:2.9-14: invalid value for %define Boolean variable `public'
]])
AT_SETUP([[%define enum variables]])
+# Front-end.
AT_DATA([[input.y]],
-[[%define api.push_pull "neither"
+[[%define lr.default_reductions "bogus"
%%
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: `all'
+input.y:1.9-29: accepted value: `consistent'
+input.y:1.9-29: accepted value: `accepting'
+]])
-AT_CHECK([[bison input.y]], [1], [],
+# Back-end.
+AT_DATA([[input.y]],
+[[%define api.push_pull "neither"
+%%
+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'
]])
AT_CLEANUP
start: ;
]])
-AT_CHECK([[bison input.y]], [0], [],
+AT_BISON_CHECK([[input.y]], [0], [],
[[input.y:1.9-16: warning: %define variable `api.pure' is not used
]])
])
start: ;
]])
-AT_CHECK([[bison input.y]], [1], [],
+AT_BISON_CHECK([[input.y]], [1], [],
[m4_foreach([b4_arg], m4_dquote(m4_shift($@)),
[[input.y:3.9-17: ]b4_arg[
]])])
projects / bison.git / blobdiff