# Checking the Bison scanner. -*- Autotest -*-
-# Copyright (C) 2002-2012 Free Software Foundation, Inc.
+# Copyright (C) 2002-2013 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
# Mostly test that we are robust to mistakes.
+## ---------------- ##
+## Invalid inputs. ##
+## ---------------- ##
+
+AT_SETUP([Invalid inputs])
+
+AT_DATA([input.y],
+[[\000\001\002\377?
+%%
+?
+default: 'a' }
+%&
+%a-does-not-exist
+%-
+%{
+]])
+AT_CHECK([[$PERL -pi -e 's/\\(\d{3})/chr(oct($1))/ge' input.y || exit 77]])
+
+AT_BISON_CHECK([input.y], [1], [],
+[[input.y:1.1-2: error: invalid characters: '\0\001\002\377?'
+input.y:3.1: error: invalid character: '?'
+input.y:4.14: error: invalid character: '}'
+input.y:5.1: error: invalid character: '%'
+input.y:5.2: error: invalid character: '&'
+input.y:6.1-17: error: invalid directive: '%a-does-not-exist'
+input.y:7.1: error: invalid character: '%'
+input.y:7.2: error: invalid character: '-'
+input.y:8.1-9.0: error: missing '%}' at end of file
+input.y:8.1-9.0: error: syntax error, unexpected %{...%}
+]])
+
+AT_CLEANUP
+
+
+AT_SETUP([Invalid inputs with {}])
+
+# We used to SEGV here. See
+# http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html
+
+AT_DATA([input.y],
+[[
+%destructor
+%initial-action
+%lex-param
+%parse-param
+%printer
+%union
+]])
+
+AT_BISON_CHECK([input.y], [1], [],
+[[input.y:3.1-15: error: syntax error, unexpected %initial-action, expecting {...}
+]])
+
+AT_CLEANUP
+
+
+
## ------------ ##
## Invalid $n. ##
## ------------ ##
exp: { @$ = @1 ; };
]])
-AT_BISON_CHECK([input.y], [1], [],
+AT_BISON_CHECK([-fcaret input.y], [1], [],
[[input.y:2.13-14: error: integer out of range: '$1'
+ exp: { $$ = $1 ; };
+ ^^
input.y:3.13-14: error: integer out of range: '@1'
+ exp: { @$ = @1 ; };
+ ^^
]])
AT_CLEANUP
%%
exp: foo { $$; } foo { $2; } foo
| foo
- | /* Empty. */
+ | /* empty. */
;
]])
-AT_BISON_CHECK([input.y], [1], [],
+AT_BISON_CHECK([-fcaret input.y], [1], [],
[[input.y:5.12-13: error: $$ for the midrule at $2 of 'exp' has no declared type
+ exp: foo { $$; } foo { $2; } foo
+ ^^
input.y:5.24-25: error: $2 of 'exp' has no declared type
+ exp: foo { $$; } foo { $2; } foo
+ ^^
input.y:5.6-32: warning: type clash on default action: <bar> != <> [-Wother]
+ exp: foo { $$; } foo { $2; } foo
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^
input.y:6.6-8: warning: type clash on default action: <bar> != <> [-Wother]
+ | foo
+ ^^^
input.y:7.5: warning: empty rule for typed nonterminal, and no action [-Wother]
+ | /* empty. */
+ ^
]])
AT_CLEANUP
_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. ##
%printer { print ($$); } <>;
]])
-AT_BISON_CHECK([input.y], [1], [],
+AT_BISON_CHECK([-fcaret input.y], [1], [],
[[input.y:1.13-29: error: %destructor redeclaration for <*>
+ %destructor { destroy ($$); } <*> <*>
+ ^^^^^^^^^^^^^^^^^
input.y:1.13-29: previous declaration
+ %destructor { destroy ($$); } <*> <*>
+ ^^^^^^^^^^^^^^^^^
input.y:2.10-24: error: %printer redeclaration for <*>
+ %printer { print ($$); } <*> <*>
+ ^^^^^^^^^^^^^^^
input.y:2.10-24: previous declaration
+ %printer { print ($$); } <*> <*>
+ ^^^^^^^^^^^^^^^
input.y:4.13-29: error: %destructor redeclaration for <*>
+ %destructor { destroy ($$); } <*>
+ ^^^^^^^^^^^^^^^^^
input.y:1.13-29: previous declaration
+ %destructor { destroy ($$); } <*> <*>
+ ^^^^^^^^^^^^^^^^^
input.y:5.10-24: error: %printer redeclaration for <*>
+ %printer { print ($$); } <*>
+ ^^^^^^^^^^^^^^^
input.y:2.10-24: previous declaration
+ %printer { print ($$); } <*> <*>
+ ^^^^^^^^^^^^^^^
input.y:7.13-29: error: %destructor redeclaration for <>
+ %destructor { destroy ($$); } <> <>
+ ^^^^^^^^^^^^^^^^^
input.y:7.13-29: previous declaration
+ %destructor { destroy ($$); } <> <>
+ ^^^^^^^^^^^^^^^^^
input.y:8.10-24: error: %printer redeclaration for <>
+ %printer { print ($$); } <> <>
+ ^^^^^^^^^^^^^^^
input.y:8.10-24: previous declaration
+ %printer { print ($$); } <> <>
+ ^^^^^^^^^^^^^^^
input.y:10.13-29: error: %destructor redeclaration for <>
+ %destructor { destroy ($$); } <>
+ ^^^^^^^^^^^^^^^^^
input.y:7.13-29: previous declaration
+ %destructor { destroy ($$); } <> <>
+ ^^^^^^^^^^^^^^^^^
input.y:11.10-24: error: %printer redeclaration for <>
+ %printer { print ($$); } <>
+ ^^^^^^^^^^^^^^^
input.y:8.10-24: previous declaration
+ %printer { print ($$); } <> <>
+ ^^^^^^^^^^^^^^^
input.y:17.13-29: error: %destructor redeclaration for <*>
+ %destructor { destroy ($$); } <*>;
+ ^^^^^^^^^^^^^^^^^
input.y:4.13-29: previous declaration
+ %destructor { destroy ($$); } <*>
+ ^^^^^^^^^^^^^^^^^
input.y:18.10-24: error: %printer redeclaration for <*>
+ %printer { print ($$); } <*>;
+ ^^^^^^^^^^^^^^^
input.y:5.10-24: previous declaration
+ %printer { print ($$); } <*>
+ ^^^^^^^^^^^^^^^
input.y:20.13-29: error: %destructor redeclaration for <>
+ %destructor { destroy ($$); } <>;
+ ^^^^^^^^^^^^^^^^^
input.y:10.13-29: previous declaration
+ %destructor { destroy ($$); } <>
+ ^^^^^^^^^^^^^^^^^
input.y:21.10-24: error: %printer redeclaration for <>
+ %printer { print ($$); } <>;
+ ^^^^^^^^^^^^^^^
input.y:11.10-24: previous declaration
+ %printer { print ($$); } <>
+ ^^^^^^^^^^^^^^^
]])
AT_CLEANUP
input.y:2.10-24: previous declaration
input.y:5.10-24: error: %printer redeclaration for <field2>
input.y:5.10-24: previous declaration
-input.y:11.13-29: error: %destructor redeclaration for <field1>
-input.y:4.13-29: previous declaration
input.y:11.13-29: error: %destructor redeclaration for <field2>
input.y:1.13-29: previous declaration
-input.y:12.10-24: error: %printer redeclaration for <field1>
-input.y:2.10-24: previous declaration
+input.y:11.13-29: error: %destructor redeclaration for <field1>
+input.y:4.13-29: previous declaration
input.y:12.10-24: error: %printer redeclaration for <field2>
input.y:5.10-24: previous declaration
+input.y:12.10-24: error: %printer redeclaration for <field1>
+input.y:2.10-24: previous declaration
]])
AT_CLEANUP
exp: bar;
]])
-AT_BISON_CHECK([input.y], [1], [],
+AT_BISON_CHECK([-fcaret input.y], [1], [],
[[input.y:2.16-18: error: symbol bar is used, but is not defined as a token and has no rules
+ %destructor {} bar
+ ^^^
input.y:1.17-19: warning: symbol baz is used, but is not defined as a token and has no rules [-Wother]
+ %printer {} foo baz
+ ^^^
input.y:1.13-15: warning: symbol foo is used, but is not defined as a token and has no rules [-Wother]
+ %printer {} foo baz
+ ^^^
input.y:3.13-15: warning: symbol qux is used, but is not defined as a token and has no rules [-Wother]
+ %type <foo> qux
+ ^^^
]])
AT_CLEANUP
tagged: { } ;
]])
-AT_BISON_CHECK([input.y], [0], [],
+AT_BISON_CHECK([-fcaret input.y], [0], [],
[[input.y:6.8-45: warning: unset value: $$ [-Wother]
-input.y:6.8-45: warning: unused value: $2 [-Wother]
+ start: end end tagged tagged { $<tag>1; $3; } ;
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+input.y:6.12-14: warning: unused value: $2 [-Wother]
+ start: end end tagged tagged { $<tag>1; $3; } ;
+ ^^^
input.y:7.6-8: warning: unset value: $$ [-Wother]
+ end: { } ;
+ ^^^
]])
AT_DATA([[input.y]],
]])
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: $$ [-Wother]
]])
end: { } ;
]])
-AT_BISON_CHECK([input.y], [0], [],
+AT_BISON_CHECK([-fcaret input.y], [0], [],
[[input.y:6.8-22: warning: unset value: $$ [-Wother]
-input.y:6.8-22: warning: unused value: $2 [-Wother]
+ start: end end { $1; } ;
+ ^^^^^^^^^^^^^^^
+input.y:6.12-14: warning: unused value: $2 [-Wother]
+ start: end end { $1; } ;
+ ^^^
input.y:7.6-8: warning: unset value: $$ [-Wother]
+ end: { } ;
+ ^^^
]])
AT_CLEANUP
exp: foo;
]])
-AT_BISON_CHECK([input.y], [1], [],
+AT_BISON_CHECK([-fcaret input.y], [1], [],
[[input.y:8.7-11: error: %type redeclaration for foo
+ %type <baz> "foo"
+ ^^^^^
input.y:3.7-11: previous declaration
+ %type <bar> foo
+ ^^^^^
input.y:10.13-17: error: %destructor redeclaration for foo
+ %destructor {baz} "foo"
+ ^^^^^
input.y:5.13-17: previous declaration
+ %destructor {bar} foo
+ ^^^^^
input.y:9.10-14: error: %printer redeclaration for foo
+ %printer {baz} "foo"
+ ^^^^^
input.y:4.10-14: previous declaration
+ %printer {bar} foo
+ ^^^^^
input.y:11.1-5: error: %left redeclaration for foo
+ %left "foo"
+ ^^^^^
input.y:6.1-5: previous declaration
+ %left foo
+ ^^^^^
]])
AT_CLEANUP
AT_DATA([input.y],
[{}
])
-AT_BISON_CHECK([input.y], [1], [],
+AT_BISON_CHECK([-fcaret input.y], [1], [],
[[input.y:1.1-2: error: syntax error, unexpected {...}
+ {}
+ ^^
]])
#include "input.h"
int yyparse (void);
-
-int
-main (void)
-{
- return yyparse ();
-}
+]AT_MAIN_DEFINE[
]])
AT_BISON_OPTION_POPDEFS
AT_DATA_GRAMMAR([input.y],
[[%require "$1";
%%
-empty_file:;
+empty_file: /* empty */;
]])
AT_BISON_CHECK([-o input.c input.y], $2, [], ignore)
AT_CLEANUP
# POSIX Yacc accept periods, but not dashes.
AT_BISON_CHECK([--yacc -Wno-error input.y], [], [],
[[input.y:9.8-16: warning: POSIX Yacc forbids dashes in symbol names: WITH-DASH [-Wyacc]
-input.y:18.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash [-Wyacc]
+input.y:20.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash [-Wyacc]
]])
# So warn about them.
AT_BISON_CHECK([-Wyacc input.y], [], [],
[[input.y:9.8-16: warning: POSIX Yacc forbids dashes in symbol names: WITH-DASH [-Wyacc]
-input.y:18.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash [-Wyacc]
+input.y:20.8-16: warning: POSIX Yacc forbids dashes in symbol names: with-dash [-Wyacc]
]])
# Dashes are fine for GNU Bison.
%destructor { free ($$)
]])
-AT_BISON_CHECK([-o input.c input.y], 1, [],
+AT_BISON_CHECK([-fcaret -o input.c input.y], 1, [],
[[input.y:1.10-2.0: error: missing '"' at end of line
+ %token A "a
+ ^^
input.y:4.10-5.0: error: missing "'" at end of line
+ %token C '1
+ ^^
input.y:14.11-15.0: error: missing "'" at end of line
+ %type <f> 'a
+ ^^
input.y:16.11-17.0: error: missing '"' at end of line
+ %type <f> "a
+ ^^
input.y:19.13-20.0: error: missing '}' at end of file
+ %destructor { free ($$)
+ ^^^^^^^^^^^
input.y:20.1: error: syntax error, unexpected end of file
]])
<command line>:2: previous definition
]])
+AT_DATA([[input-dg.y]],
+[[%define var "gram"
+%%
+start: ;
+]])
+AT_BISON_CHECK([[-fcaret -Dvar=cmd-d input-dg.y]], [[1]], [],
+[[input-dg.y:1.9-11: error: %define variable 'var' redefined
+ %define var "gram"
+ ^^^
+<command line>:3: previous definition
+]])
+
AT_DATA([[input-unused.y]],
[[%%
start: ;
## %define Boolean variables. ##
## --------------------------- ##
-AT_SETUP([[%define Boolean variables]])
+AT_SETUP([["%define" Boolean variables]])
AT_DATA([Input.y],
[[%language "Java"
## %define enum variables. ##
## ------------------------ ##
-AT_SETUP([[%define enum variables]])
+AT_SETUP([["%define" enum variables]])
+
+# Check errors from the front-end, and the back-end. Since the
+# front-end quits before calling the back-end, these tests cannot be
+# fused.
# Front-end.
AT_DATA([[input.y]],
-[[%define lr.default-reductions bogus
+[[%define lr.default-reduction bogus
%%
start: ;
]])
-AT_BISON_CHECK([[input.y]], [[1]], [[]],
-[[input.y:1.9-29: error: 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'
+AT_BISON_CHECK([[-fcaret input.y]], [[1]], [[]],
+[[input.y:1.9-28: error: invalid value for %define variable 'lr.default-reduction': 'bogus'
+ %define lr.default-reduction bogus
+ ^^^^^^^^^^^^^^^^^^^^
+input.y:1.9-28: accepted value: 'most'
+input.y:1.9-28: accepted value: 'consistent'
+input.y:1.9-28: accepted value: 'accepting'
]])
# Back-end.
-# FIXME: these should be indented, but we shouldn't mess with the m4 yet
AT_DATA([[input.y]],
[[%define api.push-pull neither
%%
start: ;
]])
-AT_BISON_CHECK([[input.y]], [1], [],
+AT_BISON_CHECK([[-fcaret input.y]], [[1]], [[]],
[[input.y:1.9-21: error: invalid value for %define variable 'api.push-pull': 'neither'
+ %define 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'
## %define backward compatibility. ##
## -------------------------------- ##
-AT_SETUP([[%define backward compatibility]])
-
-# The error messages tell us whether underscores in these variables are
-# being converted to dashes.
+AT_SETUP([["%define" backward compatibility]])
+# The error messages tell us whether the variables are properly updated.
AT_DATA([[input.y]],
-[[%define api.push_pull "neither"
-%%
-start: ;
-]])
-AT_BISON_CHECK([[input.y]], [1], [],
-[[input.y:1.9-21: warning: deprecated %define variable name: 'api.push_pull', use 'api.push-pull' [-Wdeprecated]
-input.y:1.9-21: error: 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]],
-[[%define lr.keep_unreachable_states maybe
-%%
-start: ;
-]])
-AT_BISON_CHECK([[input.y]], [1], [],
-[[input.y:1.9-34: warning: deprecated %define variable name: 'lr.keep_unreachable_states', use 'lr.keep-unreachable-states' [-Wdeprecated]
-input.y:1.9-34: error: invalid value for %define Boolean variable 'lr.keep-unreachable-states'
-]])
-
-AT_DATA([[input.y]],
-[[%define namespace "foo"
+[[%define api.push_pull both
+%define lr.keep_unreachable_states maybe
+%define namespace "foo"
%define api.namespace "foo"
+%define variant
%%
start: ;
]])
-AT_BISON_CHECK([[input.y]], [1], [],
-[[input.y:1.9-17: warning: deprecated %define variable name: 'namespace', use 'api.namespace' [-Wdeprecated]
-input.y:2.9-21: error: %define variable 'api.namespace' redefined
-input.y:1.9-17: previous definition
-]])
-
-AT_DATA([[input.y]],
-[[%define foo_bar "baz"
-%%
-start: ;
-]])
-AT_BISON_CHECK([[input.y]], [[1]], [],
-[[input.y:1.9-15: error: %define variable 'foo_bar' is not used
+AT_BISON_CHECK([[-fcaret input.y]], [1], [],
+[[input.y:1.9-21: warning: deprecated directive, use '%define api.push-pull both' [-Wdeprecated]
+ %define api.push_pull both
+ ^^^^^^^^^^^^^
+input.y:2.9-34: warning: deprecated directive, use '%define lr.keep-unreachable-state maybe' [-Wdeprecated]
+ %define lr.keep_unreachable_states maybe
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^
+input.y:3.9-17: warning: deprecated directive, use '%define api.namespace foo' [-Wdeprecated]
+ %define namespace "foo"
+ ^^^^^^^^^
+input.y:4.9-21: error: %define variable 'api.namespace' redefined
+ %define api.namespace "foo"
+ ^^^^^^^^^^^^^
+input.y:3.9-17: previous definition
+ %define namespace "foo"
+ ^^^^^^^^^
+input.y:5.9-15: warning: deprecated directive, use '%define api.value.type variant' [-Wdeprecated]
+ %define variant
+ ^^^^^^^
]])
AT_CLEANUP
]])
])
-AT_CHECK_API_PURE([[%language "c++" %defines]], [[]])
-AT_CHECK_API_PURE([[%language "c++" %defines]], [[false]])
-AT_CHECK_API_PURE([[%language "c++" %defines %glr-parser]], [[""]])
-AT_CHECK_API_PURE([[%language "c++" %defines %glr-parser]], [[false]])
+AT_CHECK_API_PURE([[%language "c++"]], [[]])
+AT_CHECK_API_PURE([[%language "c++"]], [[false]])
+AT_CHECK_API_PURE([[%language "c++" %glr-parser]], [[""]])
+AT_CHECK_API_PURE([[%language "c++" %glr-parser]], [[false]])
AT_CHECK_API_PURE([[%language "java"]], [[true]])
AT_CHECK_API_PURE([[%language "java"]], [[false]])
start: '';
start: '
]])
-AT_CHECK([[perl -e "print 'start: \'';" >> empty.y || exit 77]])
+AT_CHECK([[$PERL -e "print 'start: \'';" >> empty.y || exit 77]])
-AT_BISON_CHECK([empty.y], [1], [],
+AT_BISON_CHECK([-fcaret empty.y], [1], [],
[[empty.y:2.8-9: warning: empty character literal [-Wother]
-empty.y:3.8-4.0: warning: empty character literal [-Wother]
+ start: '';
+ ^^
empty.y:3.8-4.0: error: missing "'" at end of line
-empty.y:4.8: warning: empty character literal [-Wother]
+ start: '
+ ^
+empty.y:3.8-4.0: warning: empty character literal [-Wother]
+ start: '
+ ^
empty.y:4.8: error: missing "'" at end of file
+ start: '
+ ^
+empty.y:4.8: warning: empty character literal [-Wother]
+ start: '
+ ^
]])
AT_DATA([two.y],
start: 'ab';
start: 'ab
]])
-AT_CHECK([[perl -e "print 'start: \'ab';" >> two.y || exit 77]])
+AT_CHECK([[$PERL -e "print 'start: \'ab';" >> two.y || exit 77]])
AT_BISON_CHECK([two.y], [1], [],
[[two.y:2.8-11: warning: extra characters in character literal [-Wother]
-two.y:3.8-4.0: warning: extra characters in character literal [-Wother]
two.y:3.8-4.0: error: missing "'" at end of line
-two.y:4.8-10: warning: extra characters in character literal [-Wother]
+two.y:3.8-4.0: warning: extra characters in character literal [-Wother]
two.y:4.8-10: error: missing "'" at end of file
+two.y:4.8-10: warning: extra characters in character literal [-Wother]
]])
AT_DATA([three.y],
start: 'abc';
start: 'abc
]])
-AT_CHECK([[perl -e "print 'start: \'abc';" >> three.y || exit 77]])
+AT_CHECK([[$PERL -e "print 'start: \'abc';" >> three.y || exit 77]])
AT_BISON_CHECK([three.y], [1], [],
[[three.y:2.8-12: warning: extra characters in character literal [-Wother]
-three.y:3.8-4.0: warning: extra characters in character literal [-Wother]
three.y:3.8-4.0: error: missing "'" at end of line
-three.y:4.8-11: warning: extra characters in character literal [-Wother]
+three.y:3.8-4.0: warning: extra characters in character literal [-Wother]
three.y:4.8-11: error: missing "'" at end of file
+three.y:4.8-11: warning: extra characters in character literal [-Wother]
]])
AT_CLEANUP
# Beside we cannot even expect "echo '\0'" to output two characters
# (well three with \n): at least Bash 3.2 converts the two-character
# sequence "\0" into a single NUL character.
-AT_CHECK([[perl -e 'print "start: \"\\\t\\\f\\\0\\\1\" ;";' >> input.y \
+AT_CHECK([[$PERL -e 'print "start: \"\\\t\\\f\\\0\\\1\" ;";' >> input.y \
|| exit 77]])
AT_BISON_CHECK([input.y], [1], [],
## %name-prefix and %define api.prefix are incompatible. ##
## ------------------------------------------------------ ##
-AT_SETUP([[%name-prefix and %define api.prefix are incompatible]])
+AT_SETUP([[%name-prefix and api.prefix are incompatible]])
# AT_TEST(DIRECTIVES, OPTIONS, ERROR-LOCATION)
# --------------------------------------------
[AT_DATA([[input.y]],
[[$1
%%
-exp:;
+exp: /* empty */;
]])
AT_BISON_CHECK([[$2 input.y]], [[1]], [[]],
[[$3: error: '%name-prefix' and '%define api.prefix' cannot be used together
%destructor { $%; @%; } <*> exp TOK;
%initial-action { $%; @%; };
%printer { $%; @%; } <*> exp TOK;
+%{ $ @ %} // Should not warn.
%%
exp: TOK { $%; @%; $$ = $1; };
+%%
+$ @ // Should not warn.
]])
-AT_BISON_CHECK([[input.y]], 0, [],
+AT_BISON_CHECK([[-Wall input.y]], 0, [],
[[input.y:11.19: warning: stray '$' [-Wother]
input.y:11.23: warning: stray '@' [-Wother]
input.y:12.19: warning: stray '$' [-Wother]
input.y:12.23: warning: stray '@' [-Wother]
input.y:13.19: warning: stray '$' [-Wother]
input.y:13.23: warning: stray '@' [-Wother]
-input.y:15.19: warning: stray '$' [-Wother]
-input.y:15.23: warning: stray '@' [-Wother]
+input.y:16.19: warning: stray '$' [-Wother]
+input.y:16.23: warning: stray '@' [-Wother]
]])
AT_CLEANUP
m4_popdef([AT_TEST])
AT_CLEANUP
+
+##----------------------- ##
+## Deprecated directives. ##
+## ---------------------- ##
+
+AT_SETUP([[Deprecated directives]])
+
+AT_KEYWORDS([[deprec]])
+
+AT_DATA_GRAMMAR([[input.y]],
+[[
+%default_prec
+%error_verbose
+%expect_rr 0
+%file-prefix = "foo"
+%file-prefix
+ =
+"bar"
+%fixed-output_files
+%fixed_output-files
+%fixed-output-files
+%name-prefix= "foo"
+%no-default_prec
+%no_default-prec
+%no_lines
+%output = "foo"
+%pure_parser
+%token_table
+%glr-parser
+%% exp : '0'
+]])
+
+AT_BISON_CHECK([[input.y]], [[0]], [[]],
+[[input.y:10.1-13: warning: deprecated directive: '%default_prec', use '%default-prec' [-Wdeprecated]
+input.y:11.1-14: warning: deprecated directive: '%error_verbose', use '%define parse.error verbose' [-Wdeprecated]
+input.y:12.1-10: warning: deprecated directive: '%expect_rr', use '%expect-rr' [-Wdeprecated]
+input.y:13.1-14: warning: deprecated directive: '%file-prefix =', use '%file-prefix' [-Wdeprecated]
+input.y:14.1-15.2: warning: deprecated directive: '%file-prefix\n =', use '%file-prefix' [-Wdeprecated]
+input.y:17.1-19: warning: deprecated directive: '%fixed-output_files', use '%fixed-output-files' [-Wdeprecated]
+input.y:18.1-19: warning: deprecated directive: '%fixed_output-files', use '%fixed-output-files' [-Wdeprecated]
+input.y:20.1-13: warning: deprecated directive: '%name-prefix=', use '%name-prefix' [-Wdeprecated]
+input.y:21.1-16: warning: deprecated directive: '%no-default_prec', use '%no-default-prec' [-Wdeprecated]
+input.y:22.1-16: warning: deprecated directive: '%no_default-prec', use '%no-default-prec' [-Wdeprecated]
+input.y:23.1-9: warning: deprecated directive: '%no_lines', use '%no-lines' [-Wdeprecated]
+input.y:24.1-9: warning: deprecated directive: '%output =', use '%output' [-Wdeprecated]
+input.y:25.1-12: warning: deprecated directive: '%pure_parser', use '%pure-parser' [-Wdeprecated]
+input.y:26.1-12: warning: deprecated directive: '%token_table', use '%token-table' [-Wdeprecated]
+]])
+
+AT_CLEANUP
+
+## ---------------------------- ##
+## Unput's effect on locations. ##
+## ---------------------------- ##
+dnl When the scanner detects a deprecated construct, it unputs the correct
+dnl version, but it should *not* have any impact on the scanner cursor. If it
+dnl does, the locations of directives on the same line become erroneous.
+
+AT_SETUP([[Unput's effect on locations]])
+
+AT_KEYWORDS([[deprec]])
+
+AT_DATA_GRAMMAR([[input.y]],
+[[
+%glr-parser
+%expect_rr 42 %expect_rr 42
+ %expect_rr 42
+%error_verbose %error_verbose
+ %error_verbose
+%% exp: '0'
+]])
+
+AT_BISON_CHECK([[input.y]], [[1]], [[]],
+[[input.y:11.1-10: warning: deprecated directive: '%expect_rr', use '%expect-rr' [-Wdeprecated]
+input.y:11.15-24: warning: deprecated directive: '%expect_rr', use '%expect-rr' [-Wdeprecated]
+input.y:12.15-24: warning: deprecated directive: '%expect_rr', use '%expect-rr' [-Wdeprecated]
+input.y:13.1-14: warning: deprecated directive: '%error_verbose', use '%define parse.error verbose' [-Wdeprecated]
+input.y:13.16-29: warning: deprecated directive: '%error_verbose', use '%define parse.error verbose' [-Wdeprecated]
+input.y:13.11-21: error: %define variable 'parse.error' redefined
+input.y:13-6: previous definition
+input.y:14.16-29: warning: deprecated directive: '%error_verbose', use '%define parse.error verbose' [-Wdeprecated]
+input.y:14.11-21: error: %define variable 'parse.error' redefined
+input.y:13.11-21: previous definition
+]])
+
+AT_CLEANUP
+
+##--------------------------- ##
+## Non-deprecated directives. ##
+## -------------------------- ##
+
+AT_SETUP([[Non-deprecated directives]])
+
+AT_KEYWORDS([[deprec]])
+
+AT_DATA_GRAMMAR([[input.y]],
+[[
+%default-prec
+%error-verbose
+%expect-rr 42
+%file-prefix "foo"
+%file-prefix
+"bar"
+%fixed-output-files
+%name-prefix "foo"
+%no-default-prec
+%no-lines
+%output "foo"
+%pure-parser
+%token-table
+%% exp : '0'
+]])
+
+AT_BISON_CHECK([[input.y]], [[0]], [[]],
+[[input.y: warning: %expect-rr applies only to GLR parsers [-Wother]
+]])
+
+AT_CLEANUP
projects / bison.git / blobdiff