diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/qapi-event.py | 91 |
1 files changed, 48 insertions, 43 deletions
diff --git a/scripts/qapi-event.py b/scripts/qapi-event.py index 537da175fa..d19acda7d3 100644 --- a/scripts/qapi-event.py +++ b/scripts/qapi-event.py @@ -2,14 +2,15 @@ # QAPI event generator # # Copyright (c) 2014 Wenchao Xia +# Copyright (c) 2015 Red Hat Inc. # # Authors: # Wenchao Xia <wenchaoqemu@gmail.com> +# Markus Armbruster <armbru@redhat.com> # # 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 * def _generate_event_api_name(event_name, params): @@ -17,13 +18,13 @@ def _generate_event_api_name(event_name, params): l = len(api_name) if params: - for argname, argentry, optional in parse_args(params): - if optional: - api_name += "bool has_%s,\n" % c_name(argname) + for m in params.members: + if m.optional: + api_name += "bool has_%s,\n" % c_name(m.name) api_name += "".ljust(l) - api_name += "%s %s,\n" % (c_type(argentry, is_param=True), - c_name(argname)) + api_name += "%s %s,\n" % (m.type.c_type(is_param=True), + c_name(m.name)) api_name += "".ljust(l) api_name += "Error **errp)" @@ -51,7 +52,7 @@ def generate_event_implement(api_name, event_name, params): """, api_name = api_name) - if params: + if params and params.members: ret += mcgen(""" QmpOutputVisitor *qov; Visitor *v; @@ -72,7 +73,7 @@ def generate_event_implement(api_name, event_name, params): event_name = event_name) # step 3: visit the params if params != None - if params: + if params and params.members: ret += mcgen(""" qov = qmp_output_visitor_new(); g_assert(qov); @@ -89,15 +90,15 @@ def generate_event_implement(api_name, event_name, params): """, event_name = event_name) - for argname, argentry, optional in parse_args(params): - if optional: + for memb in params.members: + if memb.optional: ret += mcgen(""" if (has_%(var)s) { """, - var = c_name(argname)) + var=c_name(memb.name)) push_indent() - if argentry == "str": + if memb.type.name == "str": var_type = "(char **)" else: var_type = "" @@ -109,11 +110,11 @@ def generate_event_implement(api_name, event_name, params): } """, var_type = var_type, - var = c_name(argname), - type = type_name(argentry), - name = argname) + var=c_name(memb.name), + type=memb.type.c_name(), + name=memb.name) - if optional: + if memb.optional: pop_indent() ret += mcgen(""" } @@ -140,7 +141,7 @@ def generate_event_implement(api_name, event_name, params): event_enum_value = c_enum_const(event_enum_name, event_name)) # step 5: clean up - if params: + if params and params.members: ret += mcgen(""" clean: qmp_output_visitor_cleanup(qov); @@ -153,6 +154,30 @@ def generate_event_implement(api_name, event_name, params): return ret + +class QAPISchemaGenEventVisitor(QAPISchemaVisitor): + def __init__(self): + self.decl = None + self.defn = None + self._event_names = None + + def visit_begin(self, schema): + self.decl = '' + self.defn = '' + self._event_names = [] + + def visit_end(self): + self.decl += generate_enum(event_enum_name, self._event_names) + self.defn += generate_enum_lookup(event_enum_name, self._event_names) + self._event_names = None + + def visit_event(self, name, info, arg_type): + api_name = _generate_event_api_name(name, arg_type) + self.decl += generate_event_declaration(api_name) + self.defn += generate_event_implement(api_name, name, arg_type) + self._event_names.append(name) + + (input_file, output_dir, do_c, do_h, prefix, dummy) = parse_command_line() c_comment = ''' @@ -206,32 +231,12 @@ fdecl.write(mcgen(''' ''', prefix=prefix)) -exprs = QAPISchema(input_file).get_exprs() - event_enum_name = c_name(prefix + "QAPIEvent", protect=False) -event_names = [] - -for expr in exprs: - if expr.has_key('event'): - event_name = expr['event'] - params = expr.get('data') - if params and len(params) == 0: - params = None - - api_name = _generate_event_api_name(event_name, params) - ret = generate_event_declaration(api_name) - fdecl.write(ret) - - # We need an enum value per event - ret = generate_event_implement(api_name, event_name, params) - fdef.write(ret) - - # Record it, and generate enum later - event_names.append(event_name) - -ret = generate_enum(event_enum_name, event_names) -fdecl.write(ret) -ret = generate_enum_lookup(event_enum_name, event_names) -fdef.write(ret) + +schema = QAPISchema(input_file) +gen = QAPISchemaGenEventVisitor() +schema.visit(gen) +fdef.write(gen.defn) +fdecl.write(gen.decl) close_output(fdef, fdecl) |