# Checking the Bison scanner. -*- Autotest -*-
-# Copyright (C) 2002-2012 Free Software Foundation, Inc.
+# Copyright (C) 2002-2015 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 options. ##
+## ----------------- ##
+
+AT_SETUP([Invalid options])
+
+AT_DATA([input.y],
+[[%%
+exp: '0'
+]])
+
+# We used to accept these, as -f, --report and others were sharing
+# their code with -W.
+AT_BISON_CHECK([-ferror=caret input.y], [1], [], [ignore])
+AT_BISON_CHECK([--report=error=itemsets input.y], [1], [], [ignore])
+
+# We used to accept any character after "-Werror", instead of ensuring
+# this is "=".
+AT_BISON_CHECK([-Werror?all input.y], [1], [], [ignore])
+
+AT_CLEANUP
+
+
## ---------------- ##
## Invalid inputs. ##
## ---------------- ##
AT_DATA([input.y],
[[%%
-exp: { $$ = $1 ; };
-exp: { @$ = @1 ; };
+exp: %empty { $$ = $1 ; };
+exp: %empty { @$ = @1 ; };
]])
-AT_BISON_CHECK([input.y], [1], [],
-[[input.y:2.13-14: error: integer out of range: '$1'
-input.y:3.13-14: error: integer out of range: '@1'
+AT_BISON_CHECK([-fcaret input.y], [1], [],
+[[input.y:2.20-21: error: integer out of range: '$1'
+ exp: %empty { $$ = $1 ; };
+ ^^
+input.y:3.20-21: error: integer out of range: '@1'
+ exp: %empty { @$ = @1 ; };
+ ^^
]])
AT_CLEANUP
%%
exp: foo { $$; } 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]
-input.y:7.5: warning: empty rule for typed nonterminal, and no action [-Wother]
+ | foo
+ ^^^
+input.y:7.6-11: warning: empty rule for typed nonterminal, and no action [-Wother]
+ | %empty
+ ^^^^^^
]])
AT_CLEANUP
;
a: INT | INT { } INT { } INT { };
-b: INT | /* empty */;
+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[; };
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]
- b: INT | /* empty */;
- ^
+input.y:12.10-15: warning: empty rule for typed nonterminal, and no action [-Wother]
+ 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; };
^^^^^^^
AT_SETUP([Default %printer and %destructor redeclared])
-AT_DATA([[input.y]],
-[[%destructor { destroy ($$); } <*> <*>
-%printer { print ($$); } <*> <*>
-
-%destructor { destroy ($$); } <*>
-%printer { print ($$); } <*>
-
-%destructor { destroy ($$); } <> <>
-%printer { print ($$); } <> <>
+# AT_TEST([*])
+# ------------
+m4_pushdef([AT_TEST],
+[AT_DATA([[input.y]],
+[[%destructor { destroy ($$); } <$1> <$1>
+%printer { print ($$); } <$1> <$1>
-%destructor { destroy ($$); } <>
-%printer { print ($$); } <>
+%destructor { destroy ($$); } <$1>
+%printer { print ($$); } <$1>
%%
-start: ;
-
-%destructor { destroy ($$); } <*>;
-%printer { print ($$); } <*>;
+start: %empty;
-%destructor { destroy ($$); } <>;
-%printer { print ($$); } <>;
+%destructor { destroy ($$); } <$1>;
+%printer { print ($$); } <$1>;
]])
-AT_BISON_CHECK([input.y], [1], [],
-[[input.y:1.13-29: error: %destructor redeclaration for <*>
+AT_BISON_CHECK([-fcaret input.y], [1], [],
+[[input.y:1.13-29: error: %destructor redeclaration for <>
+ %destructor { destroy ($$); } <> <>
+ ^^^^^^^^^^^^^^^^^
input.y:1.13-29: previous declaration
-input.y:2.10-24: error: %printer redeclaration for <*>
+ %destructor { destroy ($$); } <> <>
+ ^^^^^^^^^^^^^^^^^
+input.y:2.10-24: error: %printer redeclaration for <>
+ %printer { print ($$); } <> <>
+ ^^^^^^^^^^^^^^^
input.y:2.10-24: previous declaration
-input.y:4.13-29: error: %destructor redeclaration for <*>
+ %printer { print ($$); } <> <>
+ ^^^^^^^^^^^^^^^
+input.y:4.13-29: error: %destructor redeclaration for <>
+ %destructor { destroy ($$); } <>
+ ^^^^^^^^^^^^^^^^^
input.y:1.13-29: previous declaration
-input.y:5.10-24: error: %printer redeclaration for <*>
+ %destructor { destroy ($$); } <> <>
+ ^^^^^^^^^^^^^^^^^
+input.y:5.10-24: error: %printer redeclaration for <>
+ %printer { print ($$); } <>
+ ^^^^^^^^^^^^^^^
input.y:2.10-24: previous declaration
-input.y:7.13-29: error: %destructor redeclaration for <>
-input.y:7.13-29: previous declaration
-input.y:8.10-24: error: %printer redeclaration for <>
-input.y:8.10-24: previous declaration
-input.y:10.13-29: error: %destructor redeclaration for <>
-input.y:7.13-29: previous declaration
-input.y:11.10-24: error: %printer redeclaration for <>
-input.y:8.10-24: previous declaration
-input.y:17.13-29: error: %destructor redeclaration for <*>
-input.y:4.13-29: previous declaration
-input.y:18.10-24: error: %printer redeclaration for <*>
-input.y:5.10-24: previous declaration
-input.y:20.13-29: error: %destructor redeclaration for <>
-input.y:10.13-29: previous declaration
-input.y:21.10-24: error: %printer redeclaration for <>
-input.y:11.10-24: previous declaration
+ %printer { print ($$); } <> <>
+ ^^^^^^^^^^^^^^^
+input.y:11.13-29: error: %destructor redeclaration for <>
+ %destructor { destroy ($$); } <>;
+ ^^^^^^^^^^^^^^^^^
+input.y:1.13-29: previous declaration
+ %destructor { destroy ($$); } <> <>
+ ^^^^^^^^^^^^^^^^^
+input.y:12.10-24: error: %printer redeclaration for <>
+ %printer { print ($$); } <>;
+ ^^^^^^^^^^^^^^^
+input.y:2.10-24: previous declaration
+ %printer { print ($$); } <> <>
+ ^^^^^^^^^^^^^^^
]])
+])
+
+AT_TEST([], [], [])
+AT_TEST([], [*], [*])
+m4_popdef([AT_TEST])
AT_CLEANUP
%%
-start: ;
+start: %empty;
%destructor { destroy ($$); } <field2> <field1>;
%printer { print ($$); } <field2> <field1>;
[[input.y:4.13-29: error: %destructor redeclaration for <field1>
input.y:1.13-29: previous declaration
input.y:4.13-29: error: %destructor redeclaration for <field1>
-input.y:4.13-29: previous declaration
+input.y:1.13-29: previous declaration
input.y:5.10-24: error: %printer redeclaration for <field2>
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:2.10-24: previous declaration
input.y:11.13-29: error: %destructor redeclaration for <field2>
input.y:1.13-29: previous declaration
+input.y:11.13-29: error: %destructor redeclaration for <field1>
+input.y:1.13-29: previous declaration
+input.y:12.10-24: error: %printer redeclaration for <field2>
+input.y:2.10-24: previous declaration
input.y:12.10-24: error: %printer redeclaration for <field1>
input.y:2.10-24: previous declaration
-input.y:12.10-24: error: %printer redeclaration for <field2>
-input.y:5.10-24: 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: $$ [-Wother]
+ start: end end tagged tagged { $<tag>1; $3; } ;
+ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
input.y:6.12-14: warning: unused value: $2 [-Wother]
+ start: end end tagged tagged { $<tag>1; $3; } ;
+ ^^^
input.y:7.6-8: warning: unset value: $$ [-Wother]
+ end: { } ;
+ ^^^
]])
AT_DATA([[input.y]],
end: { } ;
]])
-AT_BISON_CHECK([input.y], [0], [],
+AT_BISON_CHECK([-fcaret input.y], [0], [],
[[input.y:6.8-22: warning: unset value: $$ [-Wother]
+ start: end end { $1; } ;
+ ^^^^^^^^^^^^^^^
input.y:6.12-14: warning: unused value: $2 [-Wother]
+ start: end end { $1; } ;
+ ^^^
input.y:7.6-8: warning: unset value: $$ [-Wother]
+ end: { } ;
+ ^^^
]])
AT_CLEANUP
AT_SETUP([Incompatible Aliases])
-AT_DATA([input.y],
-[[%token foo "foo"
+m4_pushdef([AT_TEST],
+[AT_DATA([input.y], [$1])
+AT_BISON_CHECK([-fcaret input.y], [1], [], [$2])
+])
-%type <bar> foo
-%printer {bar} foo
-%destructor {bar} foo
-%left foo
+# Use the string-alias first to check the order between "first
+# declaration" and second.
-%type <baz> "foo"
-%printer {baz} "foo"
-%destructor {baz} "foo"
-%left "foo"
+AT_TEST([[%token foo "foo"
+%type <bar> "foo"
+%type <baz> foo
+%%
+exp: foo;
+]],
+[[input.y:3.7-11: error: %type redeclaration for foo
+ %type <baz> foo
+ ^^^^^
+input.y:2.7-11: previous declaration
+ %type <bar> "foo"
+ ^^^^^
+]])
+
+AT_TEST([[%token foo "foo"
+%printer {bar} "foo"
+%printer {baz} foo
+%%
+exp: foo;
+]],
+[[input.y:3.10-14: error: %printer redeclaration for foo
+ %printer {baz} foo
+ ^^^^^
+input.y:2.10-14: previous declaration
+ %printer {bar} "foo"
+ ^^^^^
+]])
+
+AT_TEST([[%token foo "foo"
+%destructor {bar} "foo"
+%destructor {baz} foo
+%%
+exp: foo;
+]],
+[[input.y:3.13-17: error: %destructor redeclaration for foo
+ %destructor {baz} foo
+ ^^^^^
+input.y:2.13-17: previous declaration
+ %destructor {bar} "foo"
+ ^^^^^
+]])
+
+AT_TEST([[%token foo "foo"
+%left "foo"
+%left foo
+%%
+exp: foo;
+]],
+[[input.y:3.1-5: error: %left redeclaration for foo
+ %left foo
+ ^^^^^
+input.y:2.1-5: previous declaration
+ %left "foo"
+ ^^^^^
+]])
+
+# This time, declare the alias after its use.
+# Precedence/associativity.
+AT_TEST([[%left "foo"
+%left foo
+%token foo "foo"
+%%
+exp: foo;
+]],
+[[input.y:2.1-5: error: %left redeclaration for foo
+ %left foo
+ ^^^^^
+input.y:1.1-5: previous declaration
+ %left "foo"
+ ^^^^^
+]])
+
+# Printer.
+AT_TEST([[%printer {} "foo"
+%printer {} foo
+%token foo "foo"
%%
exp: foo;
+]],
+[[input.y:2.10-11: error: %printer redeclaration for foo
+ %printer {} foo
+ ^^
+input.y:1.10-11: previous declaration
+ %printer {} "foo"
+ ^^
]])
-AT_BISON_CHECK([input.y], [1], [],
-[[input.y:8.7-11: error: %type redeclaration for foo
-input.y:3.7-11: previous declaration
-input.y:10.13-17: error: %destructor redeclaration for foo
-input.y:5.13-17: previous declaration
-input.y:9.10-14: error: %printer redeclaration for foo
-input.y:4.10-14: previous declaration
-input.y:11.1-5: error: %left redeclaration for foo
-input.y:6.1-5: previous declaration
+# Destructor.
+AT_TEST([[%destructor {} "foo"
+%destructor {} foo
+%token foo "foo"
+%%
+exp: foo;
+]],
+[[input.y:2.13-14: error: %destructor redeclaration for foo
+ %destructor {} foo
+ ^^
+input.y:1.13-14: previous declaration
+ %destructor {} "foo"
+ ^^
]])
+m4_popdef([AT_TEST])
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 {...}
+ {}
+ ^^
]])
two: '\x000000000000000000000000000000000000000000000000000000000000000000002';
oline: '@' 'o' 'l' 'i' 'n' 'e' '@' '_' '_' 'o' 'l' 'i' 'n' 'e' '_' '_';
-output.or.oline.opt: ;|oline;;|output;;;
+output.or.oline.opt: %empty;|oline;;|output;;;
output: '#' 'o' 'u' 't' 'p' 'u' 't' ' ';
%%
/* Exercise M4 quoting: '@:>@@:>@', @<:@, 2. */
#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
AT_BISON_OPTION_POPDEFS
# 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]
-]])
-
-# 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]
+AT_BISON_CHECK([--yacc input.y], [1], [],
+[[input.y:9.8-16: error: POSIX Yacc forbids dashes in symbol names: WITH-DASH [-Werror=yacc]
+input.y:20.8-16: error: POSIX Yacc forbids dashes in symbol names: with-dash [-Werror=yacc]
]])
# Dashes are fine for GNU Bison.
%%
-start: ;
+start: %empty;
// Used to report a syntax error because it didn't see any kind of symbol
// identifier.
%destructor { free ($$)
]])
-AT_BISON_CHECK([-o input.c input.y], 1, [],
-[[input.y:1.10-2.0: error: missing '"' at end of line
-input.y:4.10-5.0: error: missing "'" at end of line
-input.y:14.11-15.0: error: missing "'" at end of line
-input.y:16.11-17.0: error: missing '"' at end of line
-input.y:19.13-20.0: error: missing '}' at end of file
-input.y:20.1: error: syntax error, unexpected end of file
-]])
-
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
AT_DATA([input.y],
[[%%
-false_start: ;
+false_start: %empty;
start: false_start ;
%start start;
]])
AT_DATA([input.y],
[[%%
start: PREC %prec PREC ;
-PREC: ;
+PREC: %empty;
]])
AT_BISON_CHECK([input.y], [1], [],
%code bad {}
%code format {}
%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[input-c.y]], [[1]], [],
[[input-c.y:1.7: error: %code qualifier 'q' is not used
%code bad {}
%code bad {}
%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[input-c-glr.y]], [[1]], [],
[[input-c-glr.y:1.7: error: %code qualifier 'q' is not used
%code bad {}
%code q {}
%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[input-c++.y]], [[1]], [],
[[input-c++.y:1.7: error: %code qualifier 'q' is not used
%code q {}
%code q {}
%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[input-c++-glr.y]], [[1]], [],
[[input-c++-glr.y:1.7-9: error: %code qualifier 'bad' is not used
%code q {}
%code q {}
%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[special-char-@@.y]], [[1]], [],
[[special-char-@@.y:1.7-9: error: %code qualifier 'bad' is not used
%code q {}
%code q {}
%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[special-char-@:>@.y]], [[1]], [],
[[special-char-@:>@.y:1.7-9: error: %code qualifier 'bad' is not used
AT_CLEANUP
+## ---------------- ##
+## Multiple %code. ##
+## ---------------- ##
+
+AT_SETUP([Multiple %code])
+
+# Make sure that repeated arguments to %code are separated by
+# end-of-lines. At some point, a missing eol would leave synclines
+# appended to the previous value. Here, we use CPP directive to
+# introduce dependency on the absence/presence of the eol.
+AT_BISON_OPTION_PUSHDEFS
+
+AT_DATA([input.y],
+[[%code {#include <assert.h>}
+%code {#define A B}
+%code {#define B C}
+%code {#define C D}
+%code {#define D 42}
+%code {
+ ]AT_YYERROR_DECLARE[
+ ]AT_YYLEX_DECLARE[
+}
+%%
+start: %empty;
+%%
+]AT_YYERROR_DEFINE[
+]AT_YYLEX_DEFINE[
+int main (void)
+{
+ assert (A == 42);
+ return 0;
+}
+]])
+AT_FULL_COMPILE([input])
+AT_PARSER_CHECK([./input])
+
+AT_BISON_OPTION_POPDEFS
+AT_CLEANUP()
+
## ---------------- ##
## %define errors. ##
## ---------------- ##
%define special1 "@:>@"
%define special2 "@<:@"
%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[input-redefined.y]], [[1]], [],
AT_DATA([input-unused.y],
[[%define var "value"
%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[input-unused.y]], [[1]], [],
AT_DATA([[input.y]],
[[%define var-dfg "gram"
%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[-Dvar-dd=cmd-d1 -Dvar-dd=cmd-d2 \
-Fvar-ff=cmd-f1 -Fvar-ff=cmd-f2 \
AT_DATA([[input-dg.y]],
[[%define var "gram"
%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[-Dvar=cmd-d input-dg.y]], [[1]], [],
[[input-dg.y:1.9-11: error: %define variable 'var' redefined
-<command line>:1: previous definition
+<command line>:2: previous definition
]])
AT_DATA([[input-dg.y]],
[[%define var "gram"
%%
-start: ;
+start: %empty;
]])
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>:2: previous definition
+<command line>:3: previous definition
]])
AT_DATA([[input-unused.y]],
[[%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[-Dunused-d -Funused-f input-unused.y]], [[1]], [],
-[[<command line>:1: error: %define variable 'unused-d' is not used
-<command line>:2: error: %define variable 'unused-f' is not used
+[[<command line>:2: error: %define variable 'unused-d' is not used
+<command line>:3: error: %define variable 'unused-f' is not used
]])
AT_CLEANUP
AT_DATA([Input.y],
[[%language "Java"
-%define public "maybe"
-%define parser_class_name "Input"
+%define public maybe
+%define parser_class_name {Input}
%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[Input.y]], [1], [],
AT_CLEANUP
+## ------------------------ ##
+## %define code variables. ##
+## ------------------------ ##
+
+AT_SETUP([["%define" code variables]])
+
+m4_pushdef([AT_TEST],
+[AT_DATA([input.yy],
+[[%skeleton "lalr1.cc" %locations
+%define api.location.type ]$1[quux]$2[
+%define api.namespace ]$1[quux]$2[
+%define api.prefix ]$1[quux]$2[
+%define api.token.prefix ]$1[quux]$2[
+%token TOK // Otherwise api.token.prefix is unused.
+%%
+start: TOK;
+]])
+
+AT_BISON_CHECK([[input.yy]], [0], [],
+[[input.yy:2.9-25: warning: %define variable 'api.location.type' requires '{...}' values [-Wdeprecated]
+input.yy:4.9-18: warning: %define variable 'api.prefix' requires '{...}' values [-Wdeprecated]
+input.yy:5.9-24: warning: %define variable 'api.token.prefix' requires '{...}' values [-Wdeprecated]
+input.yy:3.9-21: warning: %define variable 'api.namespace' requires '{...}' values [-Wdeprecated]
+]])
+])
+
+AT_TEST([], [])
+AT_TEST(["], ["])
+m4_popdef([AT_TEST])
+
+AT_CLEANUP
+
+
+## --------------------------- ##
+## %define keyword variables. ##
+## --------------------------- ##
+
+AT_SETUP([["%define" keyword variables]])
+
+m4_pushdef([AT_TEST],
+[AT_DATA([input.y],
+[[%define api.pure ]$1[true]$2[
+%define api.push-pull ]$1[both]$2[
+%define lr.default-reduction ]$1[most]$2[
+%define lr.keep-unreachable-state ]$1[true]$2[
+%define lr.type ]$1[lalr]$2[
+%%
+exp: %empty
+]])
+
+AT_BISON_CHECK([[input.y]], [0], [],
+[[input.y:5.9-15: warning: %define variable 'lr.type' requires keyword values [-Wdeprecated]
+input.y:3.9-28: warning: %define variable 'lr.default-reduction' requires keyword values [-Wdeprecated]
+input.y:4.9-33: warning: %define variable 'lr.keep-unreachable-state' requires keyword values [-Wdeprecated]
+input.y:2.9-21: warning: %define variable 'api.push-pull' requires keyword values [-Wdeprecated]
+input.y:1.9-16: warning: %define variable 'api.pure' requires keyword values [-Wdeprecated]
+]])
+])
+
+AT_TEST(["], ["])
+AT_TEST([{], [}])
+m4_popdef([AT_TEST])
+
+AT_CLEANUP
+
+
## ------------------------ ##
## %define enum variables. ##
## ------------------------ ##
AT_DATA([[input.y]],
[[%define lr.default-reduction bogus
%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[-fcaret input.y]], [[1]], [[]],
[[input.y:1.9-28: error: invalid value for %define variable 'lr.default-reduction': 'bogus'
AT_DATA([[input.y]],
[[%define api.push-pull neither
%%
-start: ;
+start: %empty;
]])
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 both
%define lr.keep_unreachable_states maybe
%define namespace "foo"
-%define api.namespace "foo"
+%define api.namespace {foo}
%define variant
%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[-fcaret input.y]], [1], [],
[[input.y:1.9-21: warning: deprecated directive, use '%define api.push-pull both' [-Wdeprecated]
%define namespace "foo"
^^^^^^^^^
input.y:4.9-21: error: %define variable 'api.namespace' redefined
- %define api.namespace "foo"
+ %define api.namespace {foo}
^^^^^^^^^^^^^
input.y:3.9-17: previous definition
%define namespace "foo"
# AT_CHECK_API_PURE(DECLS, VALUE)
# -------------------------------
-# Make sure Bison reports that `%define api.pure VALUE' is unused when DECLS
+# Make sure Bison reports that '%define api.pure VALUE' is unused when DECLS
# are specified.
m4_define([AT_CHECK_API_PURE],
[
[[%define api.pure ]$2[
]$1[
%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[input.y]], [[1]], [],
]])
])
-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]])
AT_DATA([[input.y]],
[[%language "C++"
%defines
-%define api.namespace "]$1["
+%define api.namespace {]$1[}
%%
-start: ;
+start: %empty;
]])
AT_BISON_CHECK([[input.y]], [1], [],
AT_CHECK_NAMESPACE_ERROR([[]],
[[namespace reference is empty]])
-AT_CHECK_NAMESPACE_ERROR([[ ]],
+AT_CHECK_NAMESPACE_ERROR([[ @tb@@tb@ @tb@ @tb@]],
[[namespace reference is empty]])
AT_CHECK_NAMESPACE_ERROR([[foo::::bar]],
[[namespace reference has consecutive "::"]])
-AT_CHECK_NAMESPACE_ERROR([[foo:: ::bar]],
+AT_CHECK_NAMESPACE_ERROR([[foo:: @tb@::bar]],
[[namespace reference has consecutive "::"]])
AT_CHECK_NAMESPACE_ERROR([[::::bar]],
[[namespace reference has consecutive "::"]])
AT_CHECK_NAMESPACE_ERROR([[:: ::bar]],
[[namespace reference has consecutive "::"]])
-AT_CHECK_NAMESPACE_ERROR([[foo::bar:: ::]],
+AT_CHECK_NAMESPACE_ERROR([[foo::bar::@tb@::]],
[[namespace reference has consecutive "::"]],
[[namespace reference has a trailing "::"]])
AT_CHECK_NAMESPACE_ERROR([[foo::bar::]],
[[namespace reference has a trailing "::"]])
-AT_CHECK_NAMESPACE_ERROR([[foo::bar:: ]],
+AT_CHECK_NAMESPACE_ERROR([[foo::bar:: @tb@]],
[[namespace reference has a trailing "::"]])
AT_CHECK_NAMESPACE_ERROR([[::]],
[[namespace reference has a trailing "::"]])
AT_DATA([[input.y]],
[[%%
-start: ;
+start: %empty;
]])
# 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>:1: error: %define variable 'parse.lac.es-capacity-initial' is not used
+[[<command line>:2: error: %define variable 'parse.lac.es-capacity-initial' is not used
]])
AT_BISON_CHECK([[-Dparse.lac.memory-trace=full input.y]],
[[1]], [],
-[[<command line>:1: error: %define variable 'parse.lac.memory-trace' is not used
+[[<command line>:2: error: %define variable 'parse.lac.memory-trace' is not used
]])
AT_CLEANUP
-## --------------------------------------------- ##
-## -Werror is not affected by -Wnone and -Wall. ##
-## --------------------------------------------- ##
+## ---------------------- ##
+## -Werror combinations. ##
+## ---------------------- ##
-AT_SETUP([[-Werror is not affected by -Wnone and -Wall]])
+AT_SETUP([[-Werror combinations]])
AT_DATA([[input.y]],
[[%%
-foo-bar: ;
+a: '0' { $$ = $; };
]])
# -Werror is not enabled by -Wall or equivalent.
AT_BISON_CHECK([[-Wall input.y]], [[0]], [[]],
-[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar [-Wyacc]
+[[input.y:2.15: warning: stray '$' [-Wother]
]])
AT_BISON_CHECK([[-W input.y]], [[0]], [[]],
-[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar [-Wyacc]
+[[input.y:2.15: warning: stray '$' [-Wother]
]])
AT_BISON_CHECK([[-Wno-none input.y]], [[0]], [[]],
-[[input.y:2.1-7: warning: POSIX Yacc forbids dashes in symbol names: foo-bar [-Wyacc]
+[[input.y:2.15: warning: stray '$' [-Wother]
]])
# -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]],
-[[input.y:2.1-7: error: POSIX Yacc forbids dashes in symbol names: foo-bar [-Werror=yacc]
+AT_BISON_CHECK([[-Werror,none,other input.y]], [[1]], [[]],
+[[input.y:2.15: error: stray '$' [-Werror=other]
+]])
+AT_BISON_CHECK([[-Werror,no-all,other input.y]], [[1]], [[]],
+[[input.y:2.15: error: stray '$' [-Werror=other]
+]])
+
+# Check that -Wno-error keeps warnings enabled, but non fatal.
+AT_BISON_CHECK([[-Werror -Wno-error=other input.y]], [[0]], [[]],
+[[input.y:2.15: warning: stray '$' [-Wother]
]])
-[mv stderr experr]
-AT_BISON_CHECK([[-Werror,no-all,yacc input.y]], [[1]], [[]], [[experr]])
+
+AT_BISON_CHECK([[-Wno-error=other -Werror input.y]], [[0]], [[]],
+[[input.y:2.15: warning: stray '$' [-Wother]
+]])
+
+AT_BISON_CHECK([[-Werror=other -Wno-other input.y]], [[0]], [[]],
+[[]])
AT_CLEANUP
[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
]])
])
-AT_TEST([%define api.prefix foo %name-prefix "bar"], [], [input.y:1.9-18])
-AT_TEST([], [-Dapi.prefix=foo -p bar], [<command line>:1])
-AT_TEST([%name-prefix "bar"], [-Dapi.prefix=foo], [<command line>:1])
-AT_TEST([%define api.prefix foo], [-p bar], [input.y:1.9-18])
+AT_TEST([%define api.prefix {foo} %name-prefix "bar"], [], [input.y:1.9-18])
+AT_TEST([], [-Dapi.prefix={foo} -p bar], [<command line>:2])
+AT_TEST([%name-prefix "bar"], [-Dapi.prefix={foo}], [<command line>:2])
+AT_TEST([%define api.prefix {foo}], [-p bar], [input.y:1.9-18])
m4_popdef([AT_TEST])
AT_CLEANUP
+## ----------------------- ##
+## Redefined %union name. ##
+## ----------------------- ##
+
+AT_SETUP([[Redefined %union name]])
+
+# AT_TEST(DIRECTIVES, ERROR)
+# --------------------------
+m4_pushdef([AT_TEST],
+[AT_DATA([[input.y]],
+[$1
+%%
+exp: %empty;
+])
+
+AT_BISON_CHECK([[input.y]], [[1]], [[]],
+[$2])
+])
+
+AT_TEST([[%union foo {};
+%union {};
+%union foo {};
+%define api.value.union.name foo]],
+[[input.y:3.8-10: error: %define variable 'api.value.union.name' redefined
+input.y:1.8-10: previous definition
+input.y:4.9-28: error: %define variable 'api.value.union.name' redefined
+input.y:3.8-10: previous definition
+]])
+
+AT_TEST([[%define api.value.union.name {foo}]],
+[[input.y:1.9-28: error: %define variable 'api.value.union.name' requires keyword values
+input.y:1.9-28: error: %define variable 'api.value.union.name' is not used
+]])
+
+AT_TEST([[%define api.value.union.name "foo"]],
+[[input.y:1.9-28: error: %define variable 'api.value.union.name' requires keyword values
+input.y:1.9-28: error: %define variable 'api.value.union.name' is not used
+]])
+
+m4_popdef([AT_TEST])
+AT_CLEANUP
+
+
+
+
## -------------- ##
## Stray $ or @. ##
## -------------- ##
%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
projects / bison.git / blobdiff