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qapi: Factor open_output(), close_output() out of generators

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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Markus Armbruster 2015-04-02 14:46:39 +02:00
parent 16d80f6181
commit 12f8e1b9ff
5 changed files with 160 additions and 234 deletions
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67
scripts/qapi-types.py
View file

@ -11,8 +11,6 @@
from ordereddict import OrderedDict
from qapi import *
import os
import errno
def generate_fwd_struct(name, members, builtin_type=False):
if builtin_type:
@ -273,8 +271,6 @@ void qapi_free_%(name)s(%(c_type)s obj)
c_type=c_type(name), name=c_name(name))
return ret
c_file = 'qapi-types.c'
h_file = 'qapi-types.h'
do_builtins = False
(input_file, output_dir, do_c, do_h, prefix, opts) = \
@ -284,28 +280,7 @@ for o, a in opts:
if o in ("-b", "--builtins"):
do_builtins = True
c_file = output_dir + prefix + c_file
h_file = output_dir + prefix + h_file
try:
os.makedirs(output_dir)
except os.error, e:
if e.errno != errno.EEXIST:
raise
def maybe_open(really, name, opt):
if really:
return open(name, opt)
else:
import StringIO
return StringIO.StringIO()
fdef = maybe_open(do_c, c_file, 'w')
fdecl = maybe_open(do_h, h_file, 'w')
fdef.write(mcgen('''
/* AUTOMATICALLY GENERATED, DO NOT MODIFY */
c_comment = '''
/*
* deallocation functions for schema-defined QAPI types
*
@ -319,16 +294,8 @@ fdef.write(mcgen('''
* See the COPYING.LIB file in the top-level directory.
*
*/
#include "qapi/dealloc-visitor.h"
#include "%(prefix)sqapi-types.h"
#include "%(prefix)sqapi-visit.h"
''', prefix=prefix))
fdecl.write(mcgen('''
/* AUTOMATICALLY GENERATED, DO NOT MODIFY */
'''
h_comment = '''
/*
* schema-defined QAPI types
*
@ -341,15 +308,25 @@ fdecl.write(mcgen('''
* See the COPYING.LIB file in the top-level directory.
*
*/
'''
#ifndef %(guard)s
#define %(guard)s
(fdef, fdecl) = open_output(output_dir, do_c, do_h, prefix,
'qapi-types.c', 'qapi-types.h',
c_comment, h_comment)
fdef.write(mcgen('''
#include "qapi/dealloc-visitor.h"
#include "%(prefix)sqapi-types.h"
#include "%(prefix)sqapi-visit.h"
''',
prefix=prefix))
fdecl.write(mcgen('''
#include <stdbool.h>
#include <stdint.h>
''',
guard=guardname(h_file)))
'''))
exprs = parse_schema(input_file)
exprs = filter(lambda expr: not expr.has_key('gen'), exprs)
@ -427,12 +404,4 @@ for expr in exprs:
continue
fdecl.write(ret)
fdecl.write('''
#endif
''')
fdecl.flush()
fdecl.close()
fdef.flush()
fdef.close()
close_output(fdef, fdecl)