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gdbus-codegen: Add support for pragma inclusion guard

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The #pragma once is widely supported preprocessor directive that can
be used instead of include guards.

This adds support for using optionally this directive instead of
include guards.

https://bugzilla.gnome.org/show_bug.cgi?id=791015
This commit is contained in:
Iñigo Martínez
2018-01-03 17:01:30 +01:00
parent e59bce3c74
commit c658d03b76
3 changed files with 32 additions and 8 deletions
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23
gio/gdbus-2.0/codegen/codegen.py
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@@ -37,7 +37,8 @@ LICENSE_STR = '''/*
class CodeGenerator:
def __init__(self, ifaces, namespace, interface_prefix, generate_objmanager,
generate_autocleanup, docbook_gen, h, c, header_name):
generate_autocleanup, docbook_gen, h, c, header_name,
use_pragma):
self.docbook_gen = docbook_gen
self.generate_objmanager = generate_objmanager
self.generate_autocleanup = generate_autocleanup
@@ -59,6 +60,7 @@ class CodeGenerator:
self.ns_lower = ''
self.interface_prefix = interface_prefix
self.header_guard = header_name.upper().replace('.', '_').replace('-', '_').replace('/', '_').replace(':', '_')
self.use_pragma = use_pragma
# ----------------------------------------------------------------------------------------------------
@@ -224,8 +226,13 @@ class CodeGenerator:
self.h.write(LICENSE_STR.format(config.VERSION))
self.h.write('\n')
self.h.write('#ifndef __{!s}__\n'.format(self.header_guard))
self.h.write('#define __{!s}__\n'.format(self.header_guard))
if self.use_pragma:
self.h.write('#pragma once\n')
else:
self.h.write('#ifndef __{!s}__\n'.format(self.header_guard))
self.h.write('#define __{!s}__\n'.format(self.header_guard))
self.h.write('\n')
self.h.write('#include <gio/gio.h>\n')
self.h.write('\n')
@@ -746,10 +753,12 @@ class CodeGenerator:
# ----------------------------------------------------------------------------------------------------
def generate_outro(self):
self.h.write('\n'
'G_END_DECLS\n'
'\n'
'#endif /* __%s__ */\n'%(self.header_guard))
self.h.write('\n')
self.h.write('G_END_DECLS\n')
if not self.use_pragma:
self.h.write('\n')
self.h.write('#endif /* __{!s}__ */\n'.format(self.header_guard))
# ----------------------------------------------------------------------------------------------------