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meson: use gnome.mkenums() with template files for enum file gen
Saves us a custom script. Template files are nicer than passing multiline templating stuff through to glib-mkenums. And we can get rid of our custom python script.
This commit is contained in:
Tim-Philipp Müller
parent
597e43cffc
commit
21d3f9a0e4
4 changed files with 73 additions and 67 deletions
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@ -1,54 +0,0 @@
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#!/usr/bin/env python3
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# This is in its own file rather than inside meson.build
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# because a) mixing the two is ugly and b) trying to
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# make special characters such as \n go through all
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# backends is a fool's errand.
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import sys, os, shutil, subprocess
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h_array = ['--fhead',
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"#ifndef __GST_ENUM_TYPES_H__\n#define __GST_ENUM_TYPES_H__\n\n#include <glib-object.h>\n\nG_BEGIN_DECLS\n",
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'--fprod',
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"\n/* enumerations from \"@filename@\" */\n",
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'--vhead',
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"GType @enum_name@_get_type (void);\n#define GST_TYPE_@ENUMSHORT@ (@enum_name@_get_type())\n",
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'--ftail',
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"G_END_DECLS\n\n#endif /* __GST_ENUM_TYPES_H__ */"]
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c_array = [
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'--fhead',
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"#include \"gst_private.h\"\n#include <gst/gst.h>\n#define C_ENUM(v) ((gint) v)\n#define C_FLAGS(v) ((guint) v)\n ",
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'--fprod',
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"\n/* enumerations from \"@filename@\" */",
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'--vhead',
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"GType\n@enum_name@_get_type (void)\n{\n static gsize id = 0;\n static const G@Type@Value values[] = {",
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'--vprod',
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" { C_@TYPE@(@VALUENAME@), \"@VALUENAME@\", \"@valuenick@\" },",
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'--vtail',
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" { 0, NULL, NULL }\n };\n\n if (g_once_init_enter (&id)) {\n GType tmp = g_@type@_register_static (\"@EnumName@\", values);\n g_once_init_leave (&id, tmp);\n }\n\n return (GType) id;\n}"
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]
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cmd = []
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argn = 1
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# Find the full command needed to run glib-mkenums
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# On UNIX-like, this is just the full path to glib-mkenums
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# On Windows, this is the full path to interpreter + full path to glib-mkenums
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for arg in sys.argv[1:]:
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cmd.append(arg)
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argn += 1
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if arg.endswith('glib-mkenums'):
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break
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ofilename = sys.argv[argn]
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headers = sys.argv[argn + 1:]
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if ofilename.endswith('.h'):
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arg_array = h_array
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else:
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arg_array = c_array
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pc = subprocess.Popen(cmd + arg_array + headers, stdout=subprocess.PIPE)
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(stdo, _) = pc.communicate()
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if pc.returncode != 0:
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sys.exit(pc.returncode)
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open(ofilename, 'wb').write(stdo)
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41
gst/gstenumtypes.c.template
Normal file
41
gst/gstenumtypes.c.template
Normal file
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@ -0,0 +1,41 @@
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/*** BEGIN file-header ***/
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#include "gst/gst_private.h"
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#include <gst/gst.h>
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#define C_ENUM(v) ((gint) v)
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#define C_FLAGS(v) ((guint) v)
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/*** END file-header ***/
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/*** BEGIN file-production ***/
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/* enumerations from "@basename@" */
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/*** END file-production ***/
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/*** BEGIN value-header ***/
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GType
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@enum_name@_get_type (void)
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{
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static gsize id = 0;
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static const G@Type@Value values[] = {
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/*** END value-header ***/
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/*** BEGIN value-production ***/
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{ C_@TYPE@(@VALUENAME@), "@VALUENAME@", "@valuenick@" },
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/*** END value-production ***/
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/*** BEGIN value-tail ***/
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{ 0, NULL, NULL }
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};
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if (g_once_init_enter (&id)) {
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GType tmp = g_@type@_register_static ("@EnumName@", values);
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g_once_init_leave (&id, tmp);
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}
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return (GType) id;
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}
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/*** END value-tail ***/
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/*** BEGIN file-tail ***/
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/*** END file-tail ***/
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24
gst/gstenumtypes.h.template
Normal file
24
gst/gstenumtypes.h.template
Normal file
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@ -0,0 +1,24 @@
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/*** BEGIN file-header ***/
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#ifndef __GST_ENUM_TYPES_H__
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#define __GST_ENUM_TYPES_H__
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#include <glib-object.h>
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G_BEGIN_DECLS
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/*** END file-header ***/
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/*** BEGIN file-production ***/
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/* enumerations from "@basename@" */
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/*** END file-production ***/
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/*** BEGIN value-header ***/
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GType @enum_name@_get_type (void);
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#define @ENUMPREFIX@_TYPE_@ENUMSHORT@ (@enum_name@_get_type ())
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/*** END value-header ***/
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/*** BEGIN file-tail ***/
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G_END_DECLS
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#endif /* __GST_ENUM_TYPES_H__ */
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/*** END file-tail ***/
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@ -163,21 +163,16 @@ configure_file(input : 'gstversion.h.in',
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install_dir : 'include/gstreamer-1.0/gst',
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configuration : cdata)
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mkenums = find_program('build_mkenum.py')
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glib_mkenums = find_program('glib-mkenums')
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gst_enums = gnome.mkenums('gstenumtypes',
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sources : gst_headers,
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h_template : 'gstenumtypes.h.template',
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c_template : 'gstenumtypes.c.template',
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install_header : true,
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install_dir : join_paths(get_option('includedir'), 'gstreamer-1.0/gst'))
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gstenum_h = custom_target('gstenum_h',
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output : 'gstenumtypes.h',
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input : gst_headers,
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install : true,
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install_dir : 'include/gstreamer-1.0/gst',
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command : [mkenums, glib_mkenums, '@OUTPUT@', '@INPUT@'])
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gstenum_h = gst_enums[0]
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gstenum_c = gst_enums[1]
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gstenum_c = custom_target('gstenum_c',
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output : 'gstenumtypes.c',
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input : gst_headers,
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depends : [gstenum_h],
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command : [mkenums, glib_mkenums, '@OUTPUT@', '@INPUT@'])
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subdir('parse')
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subdir('printf')
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