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qapi: qapi-visit.py, native list support 

Teach visitor generators about native types so they can generate the
appropriate visitor routines.

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Amos Kong <akong@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Michael Roth 2013-05-10 17:46:02 -05:00 committed by Luiz Capitulino
parent c664aef551
commit 7c946bc418
1 changed files with 29 additions and 5 deletions
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34
scripts/qapi-visit.py
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@ -202,12 +202,14 @@ void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const char *name, Error **
return ret return ret
def generate_declaration(name, members, genlist=True): def generate_declaration(name, members, genlist=True, builtin_type=False):
ret = mcgen(''' ret = ""
if not builtin_type:
ret += mcgen('''
void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const char *name, Error **errp); void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const char *name, Error **errp);
''', ''',
name=name) name=name)
if genlist: if genlist:
ret += mcgen(''' ret += mcgen('''
@ -235,8 +237,9 @@ void visit_type_%(name)s(Visitor *m, %(name)s * obj, const char *name, Error **e
name=name) name=name)
try: try:
opts, args = getopt.gnu_getopt(sys.argv[1:], "chp:o:", opts, args = getopt.gnu_getopt(sys.argv[1:], "chbp:o:",
["source", "header", "prefix=", "output-dir="]) ["source", "header", "builtins", "prefix=",
"output-dir="])
except getopt.GetoptError, err: except getopt.GetoptError, err:
print str(err) print str(err)
sys.exit(1) sys.exit(1)
@ -248,6 +251,7 @@ h_file = 'qapi-visit.h'
do_c = False do_c = False
do_h = False do_h = False
do_builtins = False
for o, a in opts: for o, a in opts:
if o in ("-p", "--prefix"): if o in ("-p", "--prefix"):
@ -258,6 +262,8 @@ for o, a in opts:
do_c = True do_c = True
elif o in ("-h", "--header"): elif o in ("-h", "--header"):
do_h = True do_h = True
elif o in ("-b", "--builtins"):
do_builtins = True
if not do_c and not do_h: if not do_c and not do_h:
do_c = True do_c = True
@ -324,11 +330,29 @@ fdecl.write(mcgen('''
#include "qapi/visitor.h" #include "qapi/visitor.h"
#include "%(prefix)sqapi-types.h" #include "%(prefix)sqapi-types.h"
''', ''',
prefix=prefix, guard=guardname(h_file))) prefix=prefix, guard=guardname(h_file)))
exprs = parse_schema(sys.stdin) exprs = parse_schema(sys.stdin)
# 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_VISIT_BUILTIN_VISITOR_DECL"))
for typename in builtin_types:
fdecl.write(generate_declaration(typename, None, genlist=True,
builtin_type=True))
fdecl.write(guardend("QAPI_VISIT_BUILTIN_VISITOR_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_VISIT_BUILTIN_VISITOR_DEF"))
for typename in builtin_types:
fdef.write(generate_visit_list(typename, None))
fdef.write(guardend("QAPI_VISIT_BUILTIN_VISITOR_DEF"))
for expr in exprs: for expr in exprs:
if expr.has_key('type'): if expr.has_key('type'):
ret = generate_visit_struct(expr['type'], expr['data']) ret = generate_visit_struct(expr['type'], expr['data'])