# Authors:
#
-# This work is licensed under the terms of the GNU GPLv2.
-# See the COPYING.LIB file in the top-level directory.
+# This work is licensed under the terms of the GNU GPL, version 2.
+# See the COPYING file in the top-level directory.
from ordereddict import OrderedDict
from qapi import *
import getopt
import errno
-def generate_fwd_struct(name, members):
+def generate_fwd_struct(name, members, builtin_type=False):
+ if builtin_type:
+ return mcgen('''
+
+typedef struct %(name)sList
+{
+ union {
+ %(type)s value;
+ uint64_t padding;
+ };
+ struct %(name)sList *next;
+} %(name)sList;
+''',
+ type=c_type(name),
+ name=name)
+
return mcgen('''
+
typedef struct %(name)s %(name)s;
typedef struct %(name)sList
{
- %(name)s *value;
+ union {
+ %(name)s *value;
+ uint64_t padding;
+ };
struct %(name)sList *next;
} %(name)sList;
''',
return mcgen('''
typedef struct %(name)sList
{
- %(name)s value;
+ union {
+ %(name)s value;
+ uint64_t padding;
+ };
struct %(name)sList *next;
} %(name)sList;
''',
name=name)
-def generate_struct(structname, fieldname, members):
- ret = mcgen('''
-struct %(name)s
-{
-''',
- name=structname)
+def generate_struct_fields(members):
+ ret = ''
for argname, argentry, optional, structured in parse_args(members):
if optional:
c_name=c_var(argname))
if structured:
push_indent()
- ret += generate_struct("", argname, argentry)
+ ret += generate_struct({ "field": argname, "data": argentry})
pop_indent()
else:
ret += mcgen('''
''',
c_type=c_type(argentry), c_name=c_var(argname))
+ return ret
+
+def generate_struct(expr):
+
+ structname = expr.get('type', "")
+ fieldname = expr.get('field', "")
+ members = expr['data']
+ base = expr.get('base')
+
+ ret = mcgen('''
+struct %(name)s
+{
+''',
+ name=structname)
+
+ if base:
+ ret += generate_struct_fields({'base': base})
+
+ ret += generate_struct_fields(members)
+
if len(fieldname):
fieldname = " " + fieldname
ret += mcgen('''
''')
return ret
-def generate_enum_name(name):
- if name.isupper():
- return c_fun(name, False)
- new_name = ''
- for c in c_fun(name, False):
- if c.isupper():
- new_name += '_'
- new_name += c
- return new_name.lstrip('_').upper()
-
def generate_enum(name, values):
lookup_decl = mcgen('''
extern const char *%(name)s_lookup[];
i = 0
for value in enum_values:
+ enum_full_value = generate_enum_full_value(name, value)
enum_decl += mcgen('''
- %(abbrev)s_%(value)s = %(i)d,
+ %(enum_full_value)s = %(i)d,
''',
- abbrev=de_camel_case(name).upper(),
- value=generate_enum_name(value),
+ enum_full_value = enum_full_value,
i=i)
i += 1
return lookup_decl + enum_decl
-def generate_union(name, typeinfo):
+def generate_anon_union_qtypes(expr):
+
+ name = expr['union']
+ members = expr['data']
+
+ ret = mcgen('''
+const int %(name)s_qtypes[QTYPE_MAX] = {
+''',
+ name=name)
+
+ for key in members:
+ qapi_type = members[key]
+ if builtin_type_qtypes.has_key(qapi_type):
+ qtype = builtin_type_qtypes[qapi_type]
+ elif find_struct(qapi_type):
+ qtype = "QTYPE_QDICT"
+ elif find_union(qapi_type):
+ qtype = "QTYPE_QDICT"
+ elif find_enum(qapi_type):
+ qtype = "QTYPE_QSTRING"
+ else:
+ assert False, "Invalid anonymous union member"
+
+ ret += mcgen('''
+ [ %(qtype)s ] = %(abbrev)s_KIND_%(enum)s,
+''',
+ qtype = qtype,
+ abbrev = de_camel_case(name).upper(),
+ enum = c_fun(de_camel_case(key),False).upper())
+
+ ret += mcgen('''
+};
+''')
+ return ret
+
+
+def generate_union(expr):
+
+ name = expr['union']
+ typeinfo = expr['data']
+
+ base = expr.get('base')
+ discriminator = expr.get('discriminator')
+
+ enum_define = discriminator_find_enum_define(expr)
+ if enum_define:
+ discriminator_type_name = enum_define['enum_name']
+ else:
+ discriminator_type_name = '%sKind' % (name)
+
ret = mcgen('''
struct %(name)s
{
- %(name)sKind kind;
+ %(discriminator_type_name)s kind;
union {
void *data;
''',
- name=name)
+ name=name,
+ discriminator_type_name=discriminator_type_name)
for key in typeinfo:
ret += mcgen('''
ret += mcgen('''
};
+''')
+
+ if base:
+ base_fields = find_struct(base)['data']
+ if discriminator:
+ base_fields = base_fields.copy()
+ del base_fields[discriminator]
+ ret += generate_struct_fields(base_fields)
+ else:
+ assert not discriminator
+
+ ret += mcgen('''
};
''')
+ if discriminator == {}:
+ ret += mcgen('''
+extern const int %(name)s_qtypes[];
+''',
+ name=name)
+
return ret
def generate_type_cleanup(name):
ret = mcgen('''
+
void qapi_free_%(type)s(%(c_type)s obj)
{
QapiDeallocVisitor *md;
try:
- opts, args = getopt.gnu_getopt(sys.argv[1:], "chp:o:",
- ["source", "header", "prefix=", "output-dir="])
+ opts, args = getopt.gnu_getopt(sys.argv[1:], "chbp:i:o:",
+ ["source", "header", "builtins",
+ "prefix=", "input-file=", "output-dir="])
except getopt.GetoptError, err:
print str(err)
sys.exit(1)
output_dir = ""
+input_file = ""
prefix = ""
c_file = 'qapi-types.c'
h_file = 'qapi-types.h'
do_c = False
do_h = False
+do_builtins = False
for o, a in opts:
if o in ("-p", "--prefix"):
prefix = a
+ elif o in ("-i", "--input-file"):
+ input_file = a
elif o in ("-o", "--output-dir"):
output_dir = a + "/"
elif o in ("-c", "--source"):
do_c = True
elif o in ("-h", "--header"):
do_h = True
+ elif o in ("-b", "--builtins"):
+ do_builtins = True
if not do_c and not do_h:
do_c = True
*
*/
-#include "qapi/qapi-dealloc-visitor.h"
+#include "qapi/dealloc-visitor.h"
#include "%(prefix)sqapi-types.h"
#include "%(prefix)sqapi-visit.h"
#ifndef %(guard)s
#define %(guard)s
-#include "qemu-common.h"
+#include <stdbool.h>
+#include <stdint.h>
''',
guard=guardname(h_file)))
-exprs = parse_schema(sys.stdin)
+exprs = parse_schema(input_file)
exprs = filter(lambda expr: not expr.has_key('gen'), exprs)
+fdecl.write(guardstart("QAPI_TYPES_BUILTIN_STRUCT_DECL"))
+for typename in builtin_types:
+ fdecl.write(generate_fwd_struct(typename, None, builtin_type=True))
+fdecl.write(guardend("QAPI_TYPES_BUILTIN_STRUCT_DECL"))
+
for expr in exprs:
ret = "\n"
if expr.has_key('type'):
fdef.write(generate_enum_lookup(expr['enum'], expr['data']))
elif expr.has_key('union'):
ret += generate_fwd_struct(expr['union'], expr['data']) + "\n"
- ret += generate_enum('%sKind' % expr['union'], expr['data'].keys())
- fdef.write(generate_enum_lookup('%sKind' % expr['union'], expr['data'].keys()))
+ enum_define = discriminator_find_enum_define(expr)
+ if not enum_define:
+ ret += generate_enum('%sKind' % expr['union'], expr['data'].keys())
+ fdef.write(generate_enum_lookup('%sKind' % expr['union'],
+ expr['data'].keys()))
+ if expr.get('discriminator') == {}:
+ fdef.write(generate_anon_union_qtypes(expr))
else:
continue
fdecl.write(ret)
+# to avoid header dependency hell, we always generate declarations
+# for built-in types in our header files and simply guard them
+fdecl.write(guardstart("QAPI_TYPES_BUILTIN_CLEANUP_DECL"))
+for typename in builtin_types:
+ fdecl.write(generate_type_cleanup_decl(typename + "List"))
+fdecl.write(guardend("QAPI_TYPES_BUILTIN_CLEANUP_DECL"))
+
+# ...this doesn't work for cases where we link in multiple objects that
+# have the functions defined, so we use -b option to provide control
+# over these cases
+if do_builtins:
+ fdef.write(guardstart("QAPI_TYPES_BUILTIN_CLEANUP_DEF"))
+ for typename in builtin_types:
+ fdef.write(generate_type_cleanup(typename + "List"))
+ fdef.write(guardend("QAPI_TYPES_BUILTIN_CLEANUP_DEF"))
+
for expr in exprs:
ret = "\n"
if expr.has_key('type'):
- ret += generate_struct(expr['type'], "", expr['data']) + "\n"
+ ret += generate_struct(expr) + "\n"
ret += generate_type_cleanup_decl(expr['type'] + "List")
fdef.write(generate_type_cleanup(expr['type'] + "List") + "\n")
ret += generate_type_cleanup_decl(expr['type'])
fdef.write(generate_type_cleanup(expr['type']) + "\n")
elif expr.has_key('union'):
- ret += generate_union(expr['union'], expr['data'])
+ ret += generate_union(expr)
ret += generate_type_cleanup_decl(expr['union'] + "List")
fdef.write(generate_type_cleanup(expr['union'] + "List") + "\n")
ret += generate_type_cleanup_decl(expr['union'])
projects / qemu.git / blobdiff