from qapi import *
import re
-def generate_command_decl(name, args, ret_type):
- arglist=""
- if args:
- for memb in args.members:
- argtype = memb.type.c_type(is_param=True)
- if memb.optional:
- arglist += "bool has_%s, " % c_name(memb.name)
- arglist += "%s %s, " % (argtype, c_name(memb.name))
- return mcgen('''
-%(ret_type)s qmp_%(name)s(%(args)sError **errp);
-''',
- ret_type=(ret_type and ret_type.c_type()) or 'void',
- name=c_name(name),
- args=arglist)
-def gen_err_check(err):
- if not err:
- return ''
+def gen_command_decl(name, arg_type, ret_type):
return mcgen('''
-if (%(err)s) {
- goto out;
-}
+%(c_type)s qmp_%(c_name)s(%(params)s);
''',
- err=err)
+ c_type=(ret_type and ret_type.c_type()) or 'void',
+ c_name=c_name(name),
+ params=gen_params(arg_type, 'Error **errp'))
-def gen_sync_call(name, args, ret_type):
- ret = ""
- arglist=""
- retval=""
- if ret_type:
- retval = "retval = "
- if args:
- for memb in args.members:
+
+def gen_call(name, arg_type, ret_type):
+ ret = ''
+
+ argstr = ''
+ if arg_type:
+ for memb in arg_type.members:
if memb.optional:
- arglist += "has_%s, " % c_name(memb.name)
- arglist += "%s, " % c_name(memb.name)
- push_indent()
+ argstr += 'has_%s, ' % c_name(memb.name)
+ argstr += '%s, ' % c_name(memb.name)
+
+ lhs = ''
+ if ret_type:
+ lhs = 'retval = '
+
ret = mcgen('''
-%(retval)sqmp_%(name)s(%(args)s&local_err);
+
+ %(lhs)sqmp_%(c_name)s(%(args)s&err);
''',
- name=c_name(name), args=arglist, retval=retval)
+ c_name=c_name(name), args=argstr, lhs=lhs)
if ret_type:
- ret += gen_err_check('local_err')
+ ret += gen_err_check()
ret += mcgen('''
-qmp_marshal_output_%(c_name)s(retval, ret, &local_err);
+ qmp_marshal_output_%(c_name)s(retval, ret, &err);
''',
- c_name=c_name(name))
- pop_indent()
+ c_name=ret_type.c_name())
return ret
-def gen_visitor_input_containers_decl(args):
- ret = ""
- push_indent()
- if args:
- ret += mcgen('''
-QmpInputVisitor *mi = qmp_input_visitor_new_strict(QOBJECT(args));
-QapiDeallocVisitor *md;
-Visitor *v;
+def gen_marshal_vars(arg_type, ret_type):
+ ret = mcgen('''
+ Error *err = NULL;
''')
- pop_indent()
- return ret
+ if ret_type:
+ ret += mcgen('''
+ %(c_type)s retval;
+''',
+ c_type=ret_type.c_type())
-def gen_visitor_input_vars_decl(args):
- ret = ""
- push_indent()
+ if arg_type:
+ ret += mcgen('''
+ QmpInputVisitor *qiv = qmp_input_visitor_new_strict(QOBJECT(args));
+ QapiDeallocVisitor *qdv;
+ Visitor *v;
+''')
- if args:
- for memb in args.members:
+ for memb in arg_type.members:
if memb.optional:
ret += mcgen('''
-bool has_%(argname)s = false;
-''',
- argname=c_name(memb.name))
- if is_c_ptr(memb.type.c_type()):
- ret += mcgen('''
-%(argtype)s %(argname)s = NULL;
+ bool has_%(c_name)s = false;
''',
- argname=c_name(memb.name),
- argtype=memb.type.c_type())
- else:
- ret += mcgen('''
-%(argtype)s %(argname)s = {0};
+ c_name=c_name(memb.name))
+ ret += mcgen('''
+ %(c_type)s %(c_name)s = %(c_null)s;
''',
- argname=c_name(memb.name),
- argtype=memb.type.c_type())
+ c_name=c_name(memb.name),
+ c_type=memb.type.c_type(),
+ c_null=memb.type.c_null())
+ ret += '\n'
+ else:
+ ret += mcgen('''
+
+ (void)args;
+''')
- pop_indent()
return ret
-def gen_visitor_input_block(args, dealloc=False):
- ret = ""
- errparg = '&local_err'
- errarg = 'local_err'
- if not args:
- return ret
+def gen_marshal_input_visit(arg_type, dealloc=False):
+ ret = ''
- push_indent()
+ if not arg_type:
+ return ret
if dealloc:
- errparg = 'NULL'
- errarg = None;
ret += mcgen('''
-qmp_input_visitor_cleanup(mi);
-md = qapi_dealloc_visitor_new();
-v = qapi_dealloc_get_visitor(md);
+ qmp_input_visitor_cleanup(qiv);
+ qdv = qapi_dealloc_visitor_new();
+ v = qapi_dealloc_get_visitor(qdv);
''')
else:
ret += mcgen('''
-v = qmp_input_get_visitor(mi);
+ v = qmp_input_get_visitor(qiv);
''')
- for memb in args.members:
- if memb.optional:
- ret += mcgen('''
-visit_optional(v, &has_%(c_name)s, "%(name)s", %(errp)s);
-''',
- c_name=c_name(memb.name), name=memb.name,
- errp=errparg)
- ret += gen_err_check(errarg)
- ret += mcgen('''
-if (has_%(c_name)s) {
-''',
- c_name=c_name(memb.name))
- push_indent()
- ret += mcgen('''
-visit_type_%(visitor)s(v, &%(c_name)s, "%(name)s", %(errp)s);
-''',
- c_name=c_name(memb.name), name=memb.name,
- visitor=memb.type.c_name(), errp=errparg)
- ret += gen_err_check(errarg)
- if memb.optional:
- pop_indent()
- ret += mcgen('''
-}
-''')
+ ret += gen_visit_fields(arg_type.members, skiperr=dealloc)
if dealloc:
ret += mcgen('''
-qapi_dealloc_visitor_cleanup(md);
+ qapi_dealloc_visitor_cleanup(qdv);
''')
- pop_indent()
return ret
-def gen_marshal_output(name, ret_type):
- if not ret_type:
- return ""
- ret = mcgen('''
+def gen_marshal_output(ret_type):
+ return mcgen('''
-static void qmp_marshal_output_%(c_name)s(%(c_ret_type)s ret_in, QObject **ret_out, Error **errp)
+static void qmp_marshal_output_%(c_name)s(%(c_type)s ret_in, QObject **ret_out, Error **errp)
{
- Error *local_err = NULL;
- QmpOutputVisitor *mo = qmp_output_visitor_new();
- QapiDeallocVisitor *md;
+ Error *err = NULL;
+ QmpOutputVisitor *qov = qmp_output_visitor_new();
+ QapiDeallocVisitor *qdv;
Visitor *v;
- v = qmp_output_get_visitor(mo);
- visit_type_%(visitor)s(v, &ret_in, "unused", &local_err);
- if (local_err) {
+ v = qmp_output_get_visitor(qov);
+ visit_type_%(c_name)s(v, &ret_in, "unused", &err);
+ if (err) {
goto out;
}
- *ret_out = qmp_output_get_qobject(mo);
+ *ret_out = qmp_output_get_qobject(qov);
out:
- error_propagate(errp, local_err);
- qmp_output_visitor_cleanup(mo);
- md = qapi_dealloc_visitor_new();
- v = qapi_dealloc_get_visitor(md);
- visit_type_%(visitor)s(v, &ret_in, "unused", NULL);
- qapi_dealloc_visitor_cleanup(md);
+ error_propagate(errp, err);
+ qmp_output_visitor_cleanup(qov);
+ qdv = qapi_dealloc_visitor_new();
+ v = qapi_dealloc_get_visitor(qdv);
+ visit_type_%(c_name)s(v, &ret_in, "unused", NULL);
+ qapi_dealloc_visitor_cleanup(qdv);
}
''',
- c_ret_type=ret_type.c_type(), c_name=c_name(name),
- visitor=ret_type.c_name())
+ c_type=ret_type.c_type(), c_name=ret_type.c_name())
- return ret
-def gen_marshal_input_decl(name, middle_mode):
- ret = 'void qmp_marshal_input_%s(QDict *args, QObject **ret, Error **errp)' % c_name(name)
+def gen_marshal_proto(name):
+ ret = 'void qmp_marshal_%s(QDict *args, QObject **ret, Error **errp)' % c_name(name)
if not middle_mode:
- ret = "static " + ret
+ ret = 'static ' + ret
return ret
-def gen_marshal_input(name, args, ret_type, middle_mode):
- hdr = gen_marshal_input_decl(name, middle_mode)
-
- ret = mcgen('''
-
-%(header)s
-{
- Error *local_err = NULL;
-''',
- header=hdr)
- if ret_type:
- ret += mcgen('''
- %(c_type)s retval;
+def gen_marshal_decl(name):
+ return mcgen('''
+%(proto)s;
''',
- c_type=ret_type.c_type())
+ proto=gen_marshal_proto(name))
- if args:
- ret += gen_visitor_input_containers_decl(args)
- ret += gen_visitor_input_vars_decl(args) + '\n'
- ret += gen_visitor_input_block(args) + '\n'
- else:
- ret += mcgen('''
- (void)args;
+def gen_marshal(name, arg_type, ret_type):
+ ret = mcgen('''
-''')
+%(proto)s
+{
+''',
+ proto=gen_marshal_proto(name))
- ret += gen_sync_call(name, args, ret_type)
+ ret += gen_marshal_vars(arg_type, ret_type)
+ ret += gen_marshal_input_visit(arg_type)
+ ret += gen_call(name, arg_type, ret_type)
- if re.search('^ *goto out\\;', ret, re.MULTILINE):
+ if re.search('^ *goto out;', ret, re.MULTILINE):
ret += mcgen('''
out:
''')
ret += mcgen('''
- error_propagate(errp, local_err);
+ error_propagate(errp, err);
''')
- ret += gen_visitor_input_block(args, dealloc=True)
+ ret += gen_marshal_input_visit(arg_type, dealloc=True)
ret += mcgen('''
}
''')
return ret
+
def gen_register_command(name, success_response):
- push_indent()
options = 'QCO_NO_OPTIONS'
if not success_response:
options = 'QCO_NO_SUCCESS_RESP'
ret = mcgen('''
-qmp_register_command("%(name)s", qmp_marshal_input_%(c_name)s, %(opts)s);
+ qmp_register_command("%(name)s", qmp_marshal_%(c_name)s, %(opts)s);
''',
- name=name, c_name=c_name(name),
- opts=options)
- pop_indent()
+ name=name, c_name=c_name(name),
+ opts=options)
return ret
+
def gen_registry(registry):
ret = mcgen('''
self.decl = None
self.defn = None
self._regy = None
+ self._visited_ret_types = None
def visit_begin(self, schema):
self.decl = ''
self.defn = ''
self._regy = ''
+ self._visited_ret_types = set()
def visit_end(self):
if not middle_mode:
self.defn += gen_registry(self._regy)
self._regy = None
+ self._visited_ret_types = None
def visit_command(self, name, info, arg_type, ret_type,
gen, success_response):
if not gen:
return
- self.decl += generate_command_decl(name, arg_type, ret_type)
- if ret_type:
- self.defn += gen_marshal_output(name, ret_type)
+ self.decl += gen_command_decl(name, arg_type, ret_type)
+ if ret_type and ret_type not in self._visited_ret_types:
+ self._visited_ret_types.add(ret_type)
+ self.defn += gen_marshal_output(ret_type)
if middle_mode:
- self.decl += gen_marshal_input_decl(name, middle_mode) + ';\n'
- self.defn += gen_marshal_input(name, arg_type, ret_type, middle_mode)
+ self.decl += gen_marshal_decl(name)
+ self.defn += gen_marshal(name, arg_type, ret_type)
if not middle_mode:
self._regy += gen_register_command(name, success_response)
#include "%(prefix)sqmp-commands.h"
''',
- prefix=prefix))
+ prefix=prefix))
fdecl.write(mcgen('''
#include "%(prefix)sqapi-types.h"
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