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qapi-commands: Don't feed output of mcgen() to mcgen() again 

Multiple passes through mcgen() is prone to produce unwanted blank
lines, which we then combat by sprinkling .rstrip() on top.  Just
don't do it.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Markus Armbruster 2015-06-27 17:49:34 +02:00
parent e02bca281c
commit 1f9a7a1a58
1 changed files with 21 additions and 31 deletions
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52
scripts/qapi-commands.py
View File

@ -27,7 +27,7 @@ def generate_command_decl(name, args, ret_type):
%(ret_type)s qmp_%(name)s(%(args)sError **errp);
''',
ret_type=c_type(ret_type), name=c_name(name),
args=arglist).strip()
args=arglist)
def gen_err_check(err):
if not err:
@ -52,19 +52,17 @@ def gen_sync_call(name, args, ret_type):
push_indent()
ret = mcgen('''
%(retval)sqmp_%(name)s(%(args)s&local_err);
''',
name=c_name(name), args=arglist, retval=retval).rstrip()
name=c_name(name), args=arglist, retval=retval)
if ret_type:
ret += "\n" + gen_err_check('local_err')
ret += gen_err_check('local_err')
ret += mcgen('''
qmp_marshal_output_%(c_name)s(retval, ret, &local_err);
''',
c_name=c_name(name))
pop_indent()
return ret.rstrip()
return ret
def gen_visitor_input_containers_decl(args):
ret = ""
@ -78,7 +76,7 @@ def gen_visitor_input_containers_decl(args):
''')
pop_indent()
return ret.rstrip()
return ret
def gen_visitor_input_vars_decl(args):
ret = ""
@ -101,7 +99,7 @@ def gen_visitor_input_vars_decl(args):
argname=c_name(argname), argtype=c_type(argtype))
pop_indent()
return ret.rstrip()
return ret
def gen_visitor_input_block(args, dealloc=False):
ret = ""
@ -155,7 +153,7 @@ def gen_visitor_input_block(args, dealloc=False):
qapi_dealloc_visitor_cleanup(md);
''')
pop_indent()
return ret.rstrip()
return ret
def gen_marshal_output(name, ret_type):
if not ret_type:
@ -217,26 +215,17 @@ def gen_marshal_input(name, args, ret_type, middle_mode):
retval=retval)
if len(args) > 0:
ret += mcgen('''
%(visitor_input_containers_decl)s
%(visitor_input_vars_decl)s
%(visitor_input_block)s
''',
visitor_input_containers_decl=gen_visitor_input_containers_decl(args),
visitor_input_vars_decl=gen_visitor_input_vars_decl(args),
visitor_input_block=gen_visitor_input_block(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;
''')
ret += mcgen('''
%(sync_call)s
''',
sync_call=gen_sync_call(name, args, ret_type))
ret += gen_sync_call(name, args, ret_type)
if re.search('^ *goto out\\;', ret, re.MULTILINE):
ret += mcgen('''
@ -244,11 +233,11 @@ def gen_marshal_input(name, args, ret_type, middle_mode):
''')
ret += mcgen('''
error_propagate(errp, local_err);
%(visitor_input_block_cleanup)s
''')
ret += gen_visitor_input_block(args, dealloc=True)
ret += mcgen('''
}
''',
visitor_input_block_cleanup=gen_visitor_input_block(args,
dealloc=True))
''')
return ret
def gen_registry(commands):
@ -268,12 +257,13 @@ def gen_registry(commands):
ret = mcgen('''
static void qmp_init_marshal(void)
{
%(registry)s
''')
ret += registry
ret += mcgen('''
}
qapi_init(qmp_init_marshal);
''',
registry=registry.rstrip())
''')
return ret
middle_mode = False
@ -353,7 +343,7 @@ def gen_registry(commands):
arglist = cmd['data']
if cmd.has_key('returns'):
ret_type = cmd['returns']
ret = generate_command_decl(cmd['command'], arglist, ret_type) + "\n"
ret = generate_command_decl(cmd['command'], arglist, ret_type)
fdecl.write(ret)
if ret_type:
ret = gen_marshal_output(cmd['command'], ret_type) + "\n"