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# D features tests. -*- Autotest -*-
# Copyright (C) 2020-2022 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 <https://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_MINIMAL_W_LEXER([1:DIRECTIVES],
# [2:YYLEX_ACTION], [3:LEXER_BODY], [4:PARSER_ACTION], [5:VALUE_TYPE],
# [6:POSITION_TYPE], [7:LOCATION_TYPE])
# ---------------------------------------------------------------------
# Check that a minimal parser with DIRECTIVES and a body for yylex()
# compiles in D.
m4_define([AT_CHECK_D_MINIMAL_W_LEXER],
[AT_CHECK_D_MINIMAL([$1], [], [], [
import std.range.primitives;
import std.stdio;
auto calcLexer(R)(R range)
if (isInputRange!R && is (ElementType!R : dchar))
{
return new CalcLexer!R(range);
}
auto calcLexer (File f)
{
import std.algorithm : map, joiner;
import std.utf : byDchar;
return f.byChunk(1024) // avoid making a syscall roundtrip per char
.map!(chunk => cast(char[]) chunk) // because byChunk returns ubyte[]
.joiner // combine chunks into a single virtual range of char
.calcLexer; // forward to other overload
}
class CalcLexer(R) : Lexer
if (isInputRange!R && is (ElementType!R : dchar))
{
R input;
this(R r) {
input = r;
}
void yyerror(string s) {}
Symbol yylex()
{
$2
}
}
]
[
$3
], [$4], [$6])])
# AT_CHECK_D_GREP([LINE], [COUNT=1])
# -------------------------------------
# Check that YYParser.d contains exactly COUNT lines matching ^LINE$
# 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([%code lexer
{
Symbol yylex () {return Symbol();}
void yyerror (string s) {import std.stdio;writeln(s);}
}], [], [], [])
AT_CHECK_D_GREP([[private class YYLexer: Lexer]])
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
## --------------------------------------------- ##
## D parser class api.token.raw true by default. ##
## --------------------------------------------- ##
AT_SETUP([D parser class api.token.raw true by default])
AT_KEYWORDS([d])
AT_CHECK_D_MINIMAL_W_LEXER([
%define api.token.raw true
%union { int ival; }], [return Symbol(TokenKind.END);])
AT_CHECK_D_GREP([[ END = 3,]])
AT_CHECK_D_MINIMAL_W_LEXER([
%define api.token.raw false
%union { int ival; }], [return Symbol(TokenKind.END);])
AT_CHECK_D_GREP([[ END = 258,]])
AT_CHECK_D_MINIMAL_W_LEXER([
%union { int ival; }], [return Symbol(TokenKind.END);])
AT_CHECK_D_GREP([[ END = 3,]])
AT_CLEANUP
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