67b60b54ac
gtk-glsl implements this via the usual -D and -U options. Preprocessor directives aren't implemented yet, but defines are replaced in the source code already.
133 lines
2.8 KiB
C
133 lines
2.8 KiB
C
/* GTK - The GIMP Toolkit
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*
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* Copyright © 2017 Benjamin Otte <otte@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gsksldefineprivate.h"
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typedef struct _GskSlDefineToken GskSlDefineToken;
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struct _GskSlDefineToken {
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GskCodeLocation location;
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GskSlToken token;
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};
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struct _GskSlDefine {
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int ref_count;
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char *name;
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GFile *source_file;
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GArray *tokens;
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};
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GskSlDefine *
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gsk_sl_define_new (const char *name,
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GFile *source_file)
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{
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GskSlDefine *result;
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result = g_slice_new0 (GskSlDefine);
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result->ref_count = 1;
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result->name = g_strdup (name);
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if (source_file)
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result->source_file = g_object_ref (source_file);
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result->tokens = g_array_new (FALSE, FALSE, sizeof (GskSlDefineToken));
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return result;
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}
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GskSlDefine *
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gsk_sl_define_ref (GskSlDefine *define)
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{
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g_return_val_if_fail (define != NULL, NULL);
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define->ref_count += 1;
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return define;
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}
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void
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gsk_sl_define_unref (GskSlDefine *define)
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{
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if (define == NULL)
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return;
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define->ref_count -= 1;
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if (define->ref_count > 0)
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return;
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g_array_free (define->tokens, TRUE);
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if (define->source_file)
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g_object_unref (define->source_file);
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g_free (define->name);
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g_slice_free (GskSlDefine, define);
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}
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const char *
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gsk_sl_define_get_name (GskSlDefine *define)
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{
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return define->name;
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}
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GFile *
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gsk_sl_define_get_source_file (GskSlDefine *define)
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{
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return define->source_file;
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}
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guint
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gsk_sl_define_get_n_tokens (GskSlDefine *define)
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{
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return define->tokens->len;
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}
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void
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gsk_sl_define_get_token (GskSlDefine *define,
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guint i,
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GskCodeLocation *location,
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GskSlToken *token)
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{
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GskSlDefineToken *dt;
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dt = &g_array_index (define->tokens, GskSlDefineToken, i);
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if (location)
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*location = dt->location;
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if (token)
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gsk_sl_token_copy (token, &dt->token);
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}
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void
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gsk_sl_define_add_token (GskSlDefine *define,
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const GskCodeLocation *location,
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const GskSlToken *token)
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{
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GskSlDefineToken dt;
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dt.location = *location;
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gsk_sl_token_copy (&dt.token, token);
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g_array_append_val (define->tokens, dt);
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}
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