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#!/usr/bin/env python3
#
# Copyright © 2022 Collabora Inc.
#
# SPDX-License-Identifier: LGPL-2.1-or-later
#
# Original author: Xavier Claessens <xclaesse@gmail.com>
import argparse
import textwrap
from pathlib import Path
# Disable line length warnings as wrapping the C code templates would be hard
# flake8: noqa: E501
def gen_versions_macros(args, current_minor_version):
with args.out_path.open('w', encoding='utf-8') as ofile, \
args.in_path.open('r', encoding='utf-8') as ifile:
for line in ifile.readlines():
if '@GLIB_VERSIONS@' in line:
for minor in range(2, current_minor_version + 2, 2):
ofile.write(textwrap.dedent(f'''\
/**
* GLIB_VERSION_2_{minor}:
*
* A macro that evaluates to the 2.{minor} version of GLib, in a format
* that can be used by the C pre-processor.
*
* Since: 2.{max(minor, 32)}
*/
#define GLIB_VERSION_2_{minor} (G_ENCODE_VERSION (2, {minor}))
'''))
else:
ofile.write(line)
def gen_doc_sections(args, current_minor_version):
with args.out_path.open('w', encoding='utf-8') as ofile, \
args.in_path.open('r', encoding='utf-8') as ifile:
for line in ifile.readlines():
if '@GLIB_VERSIONS@' in line:
for minor in range(2, current_minor_version + 2, 2):
ofile.write(textwrap.dedent(f'''\
GLIB_VERSION_2_{minor}
'''))
else:
ofile.write(line)
def gen_visibility_macros(args, current_minor_version):
'''
Generates a set of macros for each minor stable version of GLib
- GLIB_VAR
- GLIB_DEPRECATED
- GLIB_DEPRECATED_IN_…
- GLIB_DEPRECATED_MACRO_IN_…
- GLIB_DEPRECATED_ENUMERATOR_IN_…
- GLIB_DEPRECATED_TYPE_IN_…
- GLIB_AVAILABLE_IN_ALL
- GLIB_AVAILABLE_IN_…
- GLIB_AVAILABLE_STATIC_INLINE_IN_…
- GLIB_AVAILABLE_MACRO_IN_…
- GLIB_AVAILABLE_ENUMERATOR_IN_…
- GLIB_AVAILABLE_TYPE_IN_…
- GLIB_UNAVAILABLE(maj,min)
- GLIB_UNAVAILABLE_STATIC_INLINE(maj,min)
The GLIB namespace can be replaced with one of GOBJECT, GIO, GMODULE.
'''
ns = args.namespace
with args.out_path.open('w', encoding='utf-8') as f:
f.write(textwrap.dedent(f'''\
#pragma once
#if (defined(_WIN32) || defined(__CYGWIN__)) && !defined({ns}_STATIC_COMPILATION)
# define _{ns}_EXPORT __declspec(dllexport)
# define _{ns}_IMPORT __declspec(dllimport)
#elif __GNUC__ >= 4
# define _{ns}_EXPORT __attribute__((visibility("default")))
# define _{ns}_IMPORT
#else
# define _{ns}_EXPORT
# define _{ns}_IMPORT
#endif
#ifdef {ns}_COMPILATION
# define _{ns}_API _{ns}_EXPORT
#else
# define _{ns}_API _{ns}_IMPORT
#endif
#define _{ns}_EXTERN _{ns}_API extern
#define {ns}_VAR _{ns}_EXTERN
#define {ns}_AVAILABLE_IN_ALL _{ns}_EXTERN
#ifdef GLIB_DISABLE_DEPRECATION_WARNINGS
#define {ns}_DEPRECATED _{ns}_EXTERN
#define {ns}_DEPRECATED_FOR(f) _{ns}_EXTERN
#define {ns}_UNAVAILABLE(maj,min) _{ns}_EXTERN
#define {ns}_UNAVAILABLE_STATIC_INLINE(maj,min)
#else
#define {ns}_DEPRECATED G_DEPRECATED _{ns}_EXTERN
#define {ns}_DEPRECATED_FOR(f) G_DEPRECATED_FOR(f) _{ns}_EXTERN
#define {ns}_UNAVAILABLE(maj,min) G_UNAVAILABLE(maj,min) _{ns}_EXTERN
#define {ns}_UNAVAILABLE_STATIC_INLINE(maj,min) G_UNAVAILABLE(maj,min)
#endif
'''))
for minor in range(26, current_minor_version + 2, 2):
f.write(textwrap.dedent(f'''
#if GLIB_VERSION_MIN_REQUIRED >= GLIB_VERSION_2_{minor}
#define {ns}_DEPRECATED_IN_2_{minor} {ns}_DEPRECATED
#define {ns}_DEPRECATED_IN_2_{minor}_FOR(f) {ns}_DEPRECATED_FOR (f)
#define {ns}_DEPRECATED_MACRO_IN_2_{minor} GLIB_DEPRECATED_MACRO
#define {ns}_DEPRECATED_MACRO_IN_2_{minor}_FOR(f) GLIB_DEPRECATED_MACRO_FOR (f)
#define {ns}_DEPRECATED_ENUMERATOR_IN_2_{minor} GLIB_DEPRECATED_ENUMERATOR
#define {ns}_DEPRECATED_ENUMERATOR_IN_2_{minor}_FOR(f) GLIB_DEPRECATED_ENUMERATOR_FOR (f)
#define {ns}_DEPRECATED_TYPE_IN_2_{minor} GLIB_DEPRECATED_TYPE
#define {ns}_DEPRECATED_TYPE_IN_2_{minor}_FOR(f) GLIB_DEPRECATED_TYPE_FOR (f)
#else
#define {ns}_DEPRECATED_IN_2_{minor} _{ns}_EXTERN
#define {ns}_DEPRECATED_IN_2_{minor}_FOR(f) _{ns}_EXTERN
#define {ns}_DEPRECATED_MACRO_IN_2_{minor}
#define {ns}_DEPRECATED_MACRO_IN_2_{minor}_FOR(f)
#define {ns}_DEPRECATED_ENUMERATOR_IN_2_{minor}
#define {ns}_DEPRECATED_ENUMERATOR_IN_2_{minor}_FOR(f)
#define {ns}_DEPRECATED_TYPE_IN_2_{minor}
#define {ns}_DEPRECATED_TYPE_IN_2_{minor}_FOR(f)
#endif
#if GLIB_VERSION_MAX_ALLOWED < GLIB_VERSION_2_{minor}
#define {ns}_AVAILABLE_IN_2_{minor} {ns}_UNAVAILABLE (2, {minor})
#define {ns}_AVAILABLE_STATIC_INLINE_IN_2_{minor} GLIB_UNAVAILABLE_STATIC_INLINE (2, {minor})
#define {ns}_AVAILABLE_MACRO_IN_2_{minor} GLIB_UNAVAILABLE_MACRO (2, {minor})
#define {ns}_AVAILABLE_ENUMERATOR_IN_2_{minor} GLIB_UNAVAILABLE_ENUMERATOR (2, {minor})
#define {ns}_AVAILABLE_TYPE_IN_2_{minor} GLIB_UNAVAILABLE_TYPE (2, {minor})
#else
#define {ns}_AVAILABLE_IN_2_{minor} _{ns}_EXTERN
#define {ns}_AVAILABLE_STATIC_INLINE_IN_2_{minor}
#define {ns}_AVAILABLE_MACRO_IN_2_{minor}
#define {ns}_AVAILABLE_ENUMERATOR_IN_2_{minor}
#define {ns}_AVAILABLE_TYPE_IN_2_{minor}
#endif
'''))
def main():
parser = argparse.ArgumentParser()
parser.add_argument('glib_version', help='Current GLib version')
subparsers = parser.add_subparsers()
versions_parser = subparsers.add_parser('versions-macros', help='Generate versions macros')
versions_parser.add_argument('in_path', help='input file', type=Path)
versions_parser.add_argument('out_path', help='output file', type=Path)
versions_parser.set_defaults(func=gen_versions_macros)
doc_parser = subparsers.add_parser('doc-sections', help='Generate glib-sections.txt')
doc_parser.add_argument('in_path', help='input file', type=Path)
doc_parser.add_argument('out_path', help='output file', type=Path)
doc_parser.set_defaults(func=gen_doc_sections)
visibility_parser = subparsers.add_parser('visibility-macros', help='Generate visibility macros')
visibility_parser.add_argument('namespace', help='Macro namespace')
visibility_parser.add_argument('out_path', help='output file', type=Path)
visibility_parser.set_defaults(func=gen_visibility_macros)
args = parser.parse_args()
version = [int(i) for i in args.glib_version.split('.')]
assert version[0] == 2
args.func(args, version[1])
if __name__ == '__main__':
main()
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