# D features tests.                      -*- Autotest -*-

# Copyright (C) 2020 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
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

AT_BANNER([[D Features.]])

# AT_CHECK_D_MINIMAL([DIRECTIVES], [PARSER_ACTION], [POSITION_CLASS], [EXTRA_USER_CODE])
# ----------------------------------------------------------------------
# Check that a minimal parser with DIRECTIVES compiles in D.
# Put the D code in YYParser.d.
m4_define([AT_CHECK_D_MINIMAL],
[
AT_DATA([[YYParser.y]], [
%language "D"
%token END "end"
[$1]
%%
start: END {$2};
%%
[$4]
void main() {}
])
AT_BISON_CHECK([[-Wno-deprecated YYParser.y]])
AT_CHECK([[grep '[mb]4_' YYParser.y]], [1], [ignore])
AT_COMPILE_D([[YYParser]])
])

# AT_CHECK_D_GREP([LINE], [COUNT=1])
# -------------------------------------
# Check that YYParser.d contains exactly COUNT lines matching ^LINE$
# with grep.
m4_define([AT_CHECK_D_GREP],
[AT_CHECK([grep -c '^$1$' YYParser.d], [ignore], [m4_default([$2], [1])
])])

## -------------------------------------- ##
## D parser class extends and implements. ##
## -------------------------------------- ##

AT_SETUP([D parser class extends and implements])
AT_KEYWORDS([d])

AT_CHECK_D_MINIMAL([])
AT_CHECK_D_GREP([[class YYParser]])

AT_CHECK_D_MINIMAL([%define api.parser.extends {BaseClass}], [], [], [class BaseClass {}])
AT_CHECK_D_GREP([[class YYParser : BaseClass]])

AT_CHECK_D_MINIMAL([%define api.parser.extends {Interface}], [], [], [interface Interface {}])
AT_CHECK_D_GREP([[class YYParser : Interface]])

AT_CHECK_D_MINIMAL(
[%define api.parser.extends {BaseClass}
%define api.parser.implements {Interface}], [], [],
[class BaseClass {}
interface Interface {}
])
AT_CHECK_D_GREP([[class YYParser : BaseClass, Interface]])

AT_CHECK_D_MINIMAL(
[%define api.parser.extends {BaseClass}
%define api.parser.implements {Interface1, Interface2}], [], [],
[class BaseClass {}
interface Interface1 {}
interface Interface2 {}
])
AT_CHECK_D_GREP([[class YYParser : BaseClass, Interface1, Interface2]])

AT_CLEANUP