-#!/usr/bin/env python2
+#!/usr/bin/env python3
import argparse
import os
import sys
import logging
-from vapi_c_gen import CField, CStruct, CSimpleType, CStructType, CMessage, \
- json_to_c_header_name
+from vapi_c_gen import (
+ CField,
+ CEnum,
+ CStruct,
+ CSimpleType,
+ CStructType,
+ CMessage,
+ json_to_c_header_name,
+ CAlias,
+)
from vapi_json_parser import JsonParser
pass
-class CppSimpleType (CSimpleType):
+class CppEnum(CEnum):
pass
-class CppStructType (CStructType, CppStruct):
+class CppAlias(CAlias):
pass
-class CppMessage (CMessage):
+class CppSimpleType(CSimpleType):
+ pass
+
+
+class CppStructType(CStructType, CppStruct):
+ pass
+
+
+class CppMessage(CMessage):
def get_swap_to_be_template_instantiation(self):
- return "\n".join([
- "template <> inline void vapi_swap_to_be<%s>(%s *msg)" %
- (self.get_c_name(), self.get_c_name()),
- "{",
- " %s(msg);" % self.get_swap_to_be_func_name(),
- "}",
- ])
+ return "\n".join(
+ [
+ "template <> inline void vapi_swap_to_be<%s>(%s *msg)"
+ % (self.get_c_name(), self.get_c_name()),
+ "{",
+ " %s(msg);" % self.get_swap_to_be_func_name(),
+ "}",
+ ]
+ )
def get_swap_to_host_template_instantiation(self):
- return "\n".join([
- "template <> inline void vapi_swap_to_host<%s>(%s *msg)" %
- (self.get_c_name(), self.get_c_name()),
- "{",
- " %s(msg);" % self.get_swap_to_host_func_name(),
- "}",
- ])
+ return "\n".join(
+ [
+ "template <> inline void vapi_swap_to_host<%s>(%s *msg)"
+ % (self.get_c_name(), self.get_c_name()),
+ "{",
+ " %s(msg);" % self.get_swap_to_host_func_name(),
+ "}",
+ ]
+ )
def get_alloc_template_instantiation(self):
- return "\n".join([
- "template <> inline %s* vapi_alloc<%s%s>"
- "(Connection &con%s)" %
- (self.get_c_name(), self.get_c_name(),
- ", size_t" * len(self.get_alloc_vla_param_names()),
- "".join([", size_t %s" % n for n in
- self.get_alloc_vla_param_names()])
- ),
- "{",
- " %s* result = %s(con.vapi_ctx%s);" %
- (self.get_c_name(), self.get_alloc_func_name(),
- "".join([", %s" % n
- for n in self.get_alloc_vla_param_names()])),
- "#if VAPI_CPP_DEBUG_LEAKS",
- " con.on_shm_data_alloc(result);",
- "#endif",
- " return result;",
- "}",
- ])
+ return "\n".join(
+ [
+ "template <> inline %s* vapi_alloc<%s%s>"
+ "(Connection &con%s)"
+ % (
+ self.get_c_name(),
+ self.get_c_name(),
+ ", size_t" * len(self.get_alloc_vla_param_names()),
+ "".join(
+ [", size_t %s" % n for n in self.get_alloc_vla_param_names()]
+ ),
+ ),
+ "{",
+ " %s* result = %s(con.vapi_ctx%s);"
+ % (
+ self.get_c_name(),
+ self.get_alloc_func_name(),
+ "".join([", %s" % n for n in self.get_alloc_vla_param_names()]),
+ ),
+ "#if VAPI_CPP_DEBUG_LEAKS",
+ " con.on_shm_data_alloc(result);",
+ "#endif",
+ " return result;",
+ "}",
+ ]
+ )
def get_cpp_name(self):
return "%s%s" % (self.name[0].upper(), self.name[1:])
def get_req_template_name(self):
- if self.is_dump():
+ if self.reply_is_stream:
template = "Dump"
else:
template = "Request"
template,
self.get_c_name(),
self.reply.get_c_name(),
- "".join([", size_t"] * len(self.get_alloc_vla_param_names()))
+ "".join([", size_t"] * len(self.get_alloc_vla_param_names())),
)
def get_req_template_instantiation(self):
return "template class %s;" % self.get_req_template_name()
def get_type_alias(self):
- return "using %s = %s;" % (
- self.get_cpp_name(), self.get_req_template_name())
+ return "using %s = %s;" % (self.get_cpp_name(), self.get_req_template_name())
def get_reply_template_name(self):
return "Msg<%s>" % (self.get_c_name())
def get_reply_type_alias(self):
- return "using %s = %s;" % (
- self.get_cpp_name(), self.get_reply_template_name())
+ return "using %s = %s;" % (self.get_cpp_name(), self.get_reply_template_name())
def get_msg_class_instantiation(self):
return "template class Msg<%s>;" % self.get_c_name()
def get_get_msg_id_t_instantiation(self):
- return "\n".join([
- ("template <> inline vapi_msg_id_t vapi_get_msg_id_t<%s>()"
- % self.get_c_name()),
- "{",
- " return ::%s; " % self.get_msg_id_name(),
- "}",
- "",
- ("template <> inline vapi_msg_id_t "
- "vapi_get_msg_id_t<Msg<%s>>()" % self.get_c_name()),
- "{",
- " return ::%s; " % self.get_msg_id_name(),
- "}",
- ])
+ return "\n".join(
+ [
+ (
+ "template <> inline vapi_msg_id_t vapi_get_msg_id_t<%s>()"
+ % self.get_c_name()
+ ),
+ "{",
+ " return ::%s; " % self.get_msg_id_name(),
+ "}",
+ "",
+ (
+ "template <> inline vapi_msg_id_t "
+ "vapi_get_msg_id_t<Msg<%s>>()" % self.get_c_name()
+ ),
+ "{",
+ " return ::%s; " % self.get_msg_id_name(),
+ "}",
+ ]
+ )
def get_cpp_constructor(self):
- return '\n'.join([
- ('static void __attribute__((constructor)) '
- '__vapi_cpp_constructor_%s()'
- % self.name),
- '{',
- (' vapi::vapi_msg_set_msg_id<%s>(%s);' % (
- self.get_c_name(), self.get_msg_id_name())),
- '}',
- ])
+ return "\n".join(
+ [
+ (
+ "static void __attribute__((constructor)) "
+ "__vapi_cpp_constructor_%s()" % self.name
+ ),
+ "{",
+ (
+ " vapi::vapi_msg_set_msg_id<%s>(%s);"
+ % (self.get_c_name(), self.get_msg_id_name())
+ ),
+ "}",
+ ]
+ )
def gen_json_header(parser, logger, j, io, gen_h_prefix, add_debug_comments):
logger.info("Generating header `%s'" % io.name)
orig_stdout = sys.stdout
sys.stdout = io
+ d, f = os.path.split(j)
include_guard = "__included_hpp_%s" % (
- j.replace(".", "_").replace("/", "_").replace("-", "_"))
+ f.replace(".", "_").replace("/", "_").replace("-", "_").replace("@", "_")
+ )
print("#ifndef %s" % include_guard)
print("#define %s" % include_guard)
print("")
print("#include <vapi/vapi.hpp>")
- print("#include <%s%s>" % (gen_h_prefix, json_to_c_header_name(j)))
+ print("#include <%s%s>" % (gen_h_prefix, json_to_c_header_name(f)))
print("")
print("namespace vapi {")
print("")
print("/* m.get_cpp_constructor() */")
print("%s" % m.get_cpp_constructor())
print("")
- if not m.is_reply():
+ if not m.is_reply and not m.is_event:
if add_debug_comments:
print("/* m.get_alloc_template_instantiation() */")
print("%s" % m.get_alloc_template_instantiation())
print("/* m.get_msg_class_instantiation() */")
print("%s" % m.get_msg_class_instantiation())
print("")
- if m.is_reply():
+ if m.is_reply or m.is_event:
if add_debug_comments:
print("/* m.get_reply_type_alias() */")
print("%s" % m.get_reply_type_alias())
raise Exception("Unexpected json name `%s'!" % json_name)
-def gen_cpp_headers(parser, logger, prefix, gen_h_prefix,
- add_debug_comments=False):
+def gen_cpp_headers(
+ parser, logger, prefix, gen_h_prefix, remove_path, add_debug_comments=False
+):
if prefix == "" or prefix is None:
prefix = ""
else:
else:
gen_h_prefix = "%s/" % gen_h_prefix
for j in parser.json_files:
- with open('%s%s' % (prefix, json_to_cpp_header_name(j)), "w") as io:
- gen_json_header(parser, logger, j, io,
- gen_h_prefix, add_debug_comments)
+ if remove_path:
+ d, f = os.path.split(j)
+ else:
+ f = j
+ with open("%s%s" % (prefix, json_to_cpp_header_name(f)), "w") as io:
+ gen_json_header(parser, logger, j, io, gen_h_prefix, add_debug_comments)
-if __name__ == '__main__':
+if __name__ == "__main__":
try:
verbose = int(os.getenv("V", 0))
except:
logger.setLevel(log_level)
argparser = argparse.ArgumentParser(description="VPP C++ API generator")
- argparser.add_argument('files', metavar='api-file', action='append',
- type=str, help='json api file'
- '(may be specified multiple times)')
- argparser.add_argument('--prefix', action='store', default=None,
- help='path prefix')
- argparser.add_argument('--gen-h-prefix', action='store', default=None,
- help='generated C header prefix')
+ argparser.add_argument(
+ "files",
+ metavar="api-file",
+ action="append",
+ type=str,
+ help="json api file" "(may be specified multiple times)",
+ )
+ argparser.add_argument("--prefix", action="store", default=None, help="path prefix")
+ argparser.add_argument(
+ "--gen-h-prefix", action="store", default=None, help="generated C header prefix"
+ )
+ argparser.add_argument(
+ "--remove-path", action="store_true", help="remove path from filename"
+ )
args = argparser.parse_args()
- jsonparser = JsonParser(logger, args.files,
- simple_type_class=CppSimpleType,
- struct_type_class=CppStructType,
- field_class=CppField,
- message_class=CppMessage)
-
- gen_cpp_headers(jsonparser, logger, args.prefix, args.gen_h_prefix)
+ jsonparser = JsonParser(
+ logger,
+ args.files,
+ simple_type_class=CppSimpleType,
+ struct_type_class=CppStructType,
+ field_class=CppField,
+ enum_class=CppEnum,
+ message_class=CppMessage,
+ alias_class=CppAlias,
+ )
+
+ gen_cpp_headers(
+ jsonparser, logger, args.prefix, args.gen_h_prefix, args.remove_path
+ )
for e in jsonparser.exceptions:
- logger.error(e)
+ logger.warning(e)