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

Backports commit 12f8e1b9ff57e99dafbb13f89cd5a99ad5c28527 from qemu
This commit is contained in:
Markus Armbruster 2018-02-19 15:31:47 -05:00 committed by Lioncash
parent d77e0dd040
commit 2c9ed3c379
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GPG Key ID: 4E3C3CC1031BA9C7
7 changed files with 124 additions and 176 deletions

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@ -18,7 +18,6 @@
#include "unicorn/platform.h"
#ifndef QAPI_TYPES_BUILTIN_STRUCT_DECL_H
#define QAPI_TYPES_BUILTIN_STRUCT_DECL_H

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@ -1,4 +1,4 @@
/* THIS FILE IS AUTOMATICALLY GENERATED, DO NOT MODIFY */
/* AUTOMATICALLY GENERATED, DO NOT MODIFY */
/*
* schema-defined QAPI visitor functions

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@ -1,4 +1,4 @@
/* THIS FILE IS AUTOMATICALLY GENERATED, DO NOT MODIFY */
/* AUTOMATICALLY GENERATED, DO NOT MODIFY */
/*
* schema-defined QAPI visitor functions

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@ -11,8 +11,6 @@
from ordereddict import OrderedDict
from qapi import *
import os
import errno
def _generate_event_api_name(event_name, params):
api_name = "void qapi_event_send_%s(" % c_name(event_name).lower();
@ -214,36 +212,9 @@ const char *%(event_enum_name)s_lookup[] = {
''')
return ret
# Start the real job
c_file = 'qapi-event.c'
h_file = 'qapi-event.h'
(input_file, output_dir, do_c, do_h, prefix, dummy) = parse_command_line()
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('''
/* THIS FILE IS AUTOMATICALLY GENERATED, DO NOT MODIFY */
c_comment = '''
/*
* schema-defined QAPI event functions
*
@ -256,19 +227,8 @@ fdef.write(mcgen('''
* See the COPYING.LIB file in the top-level directory.
*
*/
#include "qemu-common.h"
#include "%(header)s"
#include "%(prefix)sqapi-visit.h"
#include "qapi/qmp-output-visitor.h"
#include "qapi/qmp-event.h"
''',
prefix=prefix, header=basename(h_file)))
fdecl.write(mcgen('''
/* THIS FILE IS AUTOMATICALLY GENERATED, DO NOT MODIFY */
'''
h_comment = '''
/*
* schema-defined QAPI event functions
*
@ -281,16 +241,28 @@ 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-event.c', 'qapi-event.h',
c_comment, h_comment)
fdef.write(mcgen('''
#include "qemu-common.h"
#include "%(prefix)sqapi-event.h"
#include "%(prefix)sqapi-visit.h"
#include "qapi/qmp-output-visitor.h"
#include "qapi/qmp-event.h"
''',
prefix=prefix))
fdecl.write(mcgen('''
#include "qapi/error.h"
#include "qapi/qmp/qdict.h"
#include "%(prefix)sqapi-types.h"
''',
prefix=prefix, guard=guardname(h_file)))
prefix=prefix))
exprs = parse_schema(input_file)
@ -323,12 +295,4 @@ fdecl.write(ret)
ret = generate_event_enum_lookup(event_enum_name, event_enum_strings)
fdef.write(ret)
fdecl.write('''
#endif
''')
fdecl.flush()
fdecl.close()
fdef.flush()
fdef.close()
close_output(fdef, fdecl)

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@ -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:
@ -263,9 +261,6 @@ 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) = \
@ -275,28 +270,7 @@ 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
*
@ -310,16 +284,8 @@ 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
*
@ -332,14 +298,22 @@ fdecl.write(mcgen('''
* See the COPYING.LIB file in the top-level directory.
*
*/
'''
(fdef, fdecl) = open_output(output_dir, do_c, do_h, prefix,
'qapi-types.c', 'qapi-types.h',
c_comment, h_comment)
#ifndef %(guard)s
#define %(guard)s
#include "unicorn/platform.h"
fdef.write(mcgen('''
#include "qapi/dealloc-visitor.h"
#include "%(prefix)sqapi-types.h"
#include "%(prefix)sqapi-visit.h"
''',
guard=guardname(h_file)))
prefix=prefix))
fdecl.write(mcgen('''
#include "unicorn/platform.h"
'''))
exprs = parse_schema(input_file)
exprs = filter(lambda expr: not expr.has_key('gen'), exprs)
@ -417,12 +391,4 @@ for expr in exprs:
continue
fdecl.write(ret)
fdecl.write('''
#endif
''')
fdecl.flush()
fdecl.close()
fdef.flush()
fdef.close()
close_output(fdef, fdecl)

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@ -15,8 +15,6 @@
from ordereddict import OrderedDict
from qapi import *
import re
import os
import errno
implicit_structs = []
@ -376,9 +374,6 @@ void visit_type_%(name)s(Visitor *m, %(name)s *obj, const char *name, Error **er
''',
name=c_name(name))
c_file = 'qapi-visit.c'
h_file = 'qapi-visit.h'
do_builtins = False
(input_file, output_dir, do_c, do_h, prefix, opts) = \
@ -388,70 +383,51 @@ 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
c_comment = '''
/*
* schema-defined QAPI visitor functions
*
* Copyright IBM, Corp. 2011
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
* See the COPYING.LIB file in the top-level directory.
*
*/
'''
h_comment = '''
/*
* schema-defined QAPI visitor functions
*
* Copyright IBM, Corp. 2011
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
* See the COPYING.LIB file in the top-level directory.
*
*/
'''
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, fdecl) = open_output(output_dir, do_c, do_h, prefix,
'qapi-visit.c', 'qapi-visit.h',
c_comment, h_comment)
fdef.write(mcgen('''
/* THIS FILE IS AUTOMATICALLY GENERATED, DO NOT MODIFY */
/*
* schema-defined QAPI visitor functions
*
* Copyright IBM, Corp. 2011
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
* See the COPYING.LIB file in the top-level directory.
*
*/
#include "qemu-common.h"
#include "%(header)s"
#include "%(prefix)sqapi-visit.h"
''',
header=basename(h_file)))
prefix = prefix))
fdecl.write(mcgen('''
/* THIS FILE IS AUTOMATICALLY GENERATED, DO NOT MODIFY */
/*
* schema-defined QAPI visitor functions
*
* Copyright IBM, Corp. 2011
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
*
* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
* See the COPYING.LIB file in the top-level directory.
*
*/
#ifndef %(guard)s
#define %(guard)s
#include "qapi/visitor.h"
#include "%(prefix)sqapi-types.h"
''',
prefix=prefix, guard=guardname(h_file)))
prefix=prefix))
exprs = parse_schema(input_file)
@ -507,12 +483,4 @@ for expr in exprs:
ret += generate_enum_declaration(expr['enum'], expr['data'])
fdecl.write(ret)
fdecl.write('''
#endif
''')
fdecl.flush()
fdecl.close()
fdef.flush()
fdef.close()
close_output(fdef, fdecl)

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@ -13,6 +13,7 @@
import re
from ordereddict import OrderedDict
import errno
import getopt
import os
import sys
@ -1019,3 +1020,53 @@ def parse_command_line(extra_options = "", extra_long_options = []):
input_file = args[0]
return (input_file, output_dir, do_c, do_h, prefix, extra_opts)
def open_output(output_dir, do_c, do_h, prefix, c_file, h_file,
c_comment, h_comment):
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 */
%(comment)s
''',
comment = c_comment))
fdecl.write(mcgen('''
/* AUTOMATICALLY GENERATED, DO NOT MODIFY */
%(comment)s
#ifndef %(guard)s
#define %(guard)s
''',
comment = h_comment, guard = guardname(h_file)))
return (fdef, fdecl)
def close_output(fdef, fdecl):
fdecl.write('''
#endif
''')
fdecl.flush()
fdecl.close()
fdef.flush()
fdef.close()