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https://git.code.sf.net/p/quake/quakeforge
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186a781121
I don't remember why I though requiring a parameter list was a good idea, but it makes working with attributes harder than it needs to be.
77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
/*
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attribute.c
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Attribute list handling
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Copyright (C) 2022 Bill Currie <bill@taniwha.org>
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Author: Bill Currie <bill@taniwha.org>
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Date: 2022/02/02
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "QF/alloc.h"
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#include "tools/qfcc/include/attribute.h"
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#include "tools/qfcc/include/diagnostic.h"
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#include "tools/qfcc/include/expr.h"
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#include "tools/qfcc/include/strpool.h"
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ALLOC_STATE (attribute_t, attributes);
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attribute_t *
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new_attribute(const char *name, const expr_t *params)
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{
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if (params
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&& params->type != ex_list
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&& params->type != ex_value) {
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internal_error (params, "attribute params not a list");
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}
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bool err = false;
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if (params && params->type == ex_list) {
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for (auto p = params->list.head; p; p = p->next) {
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auto e = p->expr;
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if (e->type == ex_expr) {
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if (e->expr.op != '='
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|| !is_string_val (e->expr.e1)
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|| e->expr.e2->type != ex_value) {
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error (e, "not a key=literal constnat");
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err = true;
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}
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} else if (e->type != ex_value) {
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error (e, "not a literal constant");
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err = true;
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}
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}
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}
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if (err) {
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return nullptr;
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}
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attribute_t *attr;
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ALLOC (16384, attribute_t, attributes, attr);
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attr->name = save_string (name);
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attr->params = params;
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return attr;
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}
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