# Checking the Bison scanner. -*- Autotest -*-
-# Copyright (C) 2002-2013 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
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: %empty;
-%destructor { destroy ($$); } <*>;
-%printer { print ($$); } <*>;
-
-%destructor { destroy ($$); } <>;
-%printer { print ($$); } <>;
+%destructor { destroy ($$); } <$1>;
+%printer { print ($$); } <$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 <>
+[[input.y:1.13-29: error: %destructor redeclaration for <>
%destructor { destroy ($$); } <> <>
^^^^^^^^^^^^^^^^^
-input.y:7.13-29: previous declaration
+input.y:1.13-29: previous declaration
%destructor { destroy ($$); } <> <>
^^^^^^^^^^^^^^^^^
-input.y:8.10-24: error: %printer redeclaration for <>
+input.y:2.10-24: error: %printer redeclaration for <>
%printer { print ($$); } <> <>
^^^^^^^^^^^^^^^
-input.y:8.10-24: previous declaration
+input.y:2.10-24: previous declaration
%printer { print ($$); } <> <>
^^^^^^^^^^^^^^^
-input.y:10.13-29: error: %destructor redeclaration for <>
+input.y:4.13-29: error: %destructor redeclaration for <>
%destructor { destroy ($$); } <>
^^^^^^^^^^^^^^^^^
-input.y:7.13-29: previous declaration
+input.y:1.13-29: previous declaration
%destructor { destroy ($$); } <> <>
^^^^^^^^^^^^^^^^^
-input.y:11.10-24: error: %printer redeclaration for <>
+input.y:5.10-24: error: %printer redeclaration for <>
%printer { print ($$); } <>
^^^^^^^^^^^^^^^
-input.y:8.10-24: previous declaration
+input.y:2.10-24: previous declaration
%printer { print ($$); } <> <>
^^^^^^^^^^^^^^^
-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 <>
+input.y:11.13-29: error: %destructor redeclaration for <>
%destructor { destroy ($$); } <>;
^^^^^^^^^^^^^^^^^
-input.y:10.13-29: previous declaration
- %destructor { destroy ($$); } <>
+input.y:1.13-29: previous declaration
+ %destructor { destroy ($$); } <> <>
^^^^^^^^^^^^^^^^^
-input.y:21.10-24: error: %printer redeclaration for <>
+input.y:12.10-24: error: %printer redeclaration for <>
%printer { print ($$); } <>;
^^^^^^^^^^^^^^^
-input.y:11.10-24: previous declaration
- %printer { print ($$); } <>
+input.y:2.10-24: previous declaration
+ %printer { print ($$); } <> <>
^^^^^^^^^^^^^^^
]])
+])
+
+AT_TEST([], [], [])
+AT_TEST([], [*], [*])
+m4_popdef([AT_TEST])
AT_CLEANUP
[[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: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:4.13-29: previous declaration
+input.y:1.13-29: previous declaration
input.y:12.10-24: error: %printer redeclaration for <field2>
-input.y:5.10-24: previous declaration
+input.y:2.10-24: previous declaration
input.y:12.10-24: error: %printer redeclaration for <field1>
input.y:2.10-24: previous declaration
]])
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_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"
+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:5.13-17: previous declaration
- %destructor {bar} foo
+input.y:2.13-17: 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"
+]])
+
+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:6.1-5: previous declaration
- %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"
+ ^^
+]])
+
+# 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_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: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:20.8-16: 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.
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. ##
## ---------------- ##
AT_DATA([Input.y],
[[%language "Java"
-%define public "maybe"
-%define parser_class_name "Input"
+%define public maybe
+%define parser_class_name {Input}
%%
start: %empty;
]])
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. ##
## ------------------------ ##
[[%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: %empty;
%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],
[
AT_DATA([[input.y]],
[[%language "C++"
%defines
-%define api.namespace "]$1["
+%define api.namespace {]$1[}
%%
start: %empty;
]])
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: %empty;
+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]
]])
-[mv stderr experr]
-AT_BISON_CHECK([[-Werror,no-all,yacc input.y]], [[1]], [[]], [[experr]])
+
+# 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 '$' [-Wother]
+]])
+
+AT_BISON_CHECK([[-Wno-error=other -Werror input.y]], [[0]], [[]],
+[[input.y:2.15: warning: stray '$' [-Wother]
+]])
+
+AT_BISON_CHECK([[-Werror=other -Wno-other input.y]], [[0]], [[]],
+[[]])
AT_CLEANUP
]])
])
-AT_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])
+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 @. ##
## -------------- ##
projects / bison.git / blobdiff