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-rwxr-xr-xsrc/vpp-api/vapi/vapi_c_gen.py827
-rwxr-xr-xsrc/vpp-api/vapi/vapi_cpp_gen.py221
-rw-r--r--src/vpp-api/vapi/vapi_json_parser.py269
3 files changed, 767 insertions, 550 deletions
diff --git a/src/vpp-api/vapi/vapi_c_gen.py b/src/vpp-api/vapi/vapi_c_gen.py
index debd7345f60..2978ebd2077 100755
--- a/src/vpp-api/vapi/vapi_c_gen.py
+++ b/src/vpp-api/vapi/vapi_c_gen.py
@@ -5,8 +5,17 @@ import inspect
import os
import sys
import logging
-from vapi_json_parser import Field, Struct, Enum, Union, Message, JsonParser,\
- SimpleType, StructType, Alias
+from vapi_json_parser import (
+ Field,
+ Struct,
+ Enum,
+ Union,
+ Message,
+ JsonParser,
+ SimpleType,
+ StructType,
+ Alias,
+)
class CField(Field):
@@ -14,54 +23,63 @@ class CField(Field):
return "vapi_type_%s" % self.name
def get_c_def(self):
- if self.type.get_c_name() == 'vl_api_string_t':
+ if self.type.get_c_name() == "vl_api_string_t":
if self.len:
return "u8 %s[%d];" % (self.name, self.len)
else:
return "vl_api_string_t %s;" % (self.name)
else:
if self.len is not None and type(self.len) != dict:
- return "%s %s[%d];" % (self.type.get_c_name(), self.name,
- self.len)
+ return "%s %s[%d];" % (self.type.get_c_name(), self.name, self.len)
else:
return "%s %s;" % (self.type.get_c_name(), self.name)
def get_swap_to_be_code(self, struct, var):
if self.len is not None and type(self.len) != dict:
if self.len > 0:
- return "do { unsigned i; for (i = 0; i < %d; ++i) { %s } }"\
- " while(0);" % (
- self.len,
- self.type.get_swap_to_be_code(struct, "%s[i]" % var))
+ return (
+ "do { unsigned i; for (i = 0; i < %d; ++i) { %s } }"
+ " while(0);"
+ % (self.len, self.type.get_swap_to_be_code(struct, "%s[i]" % var))
+ )
else:
if self.nelem_field.needs_byte_swap():
nelem_field = "%s(%s%s)" % (
self.nelem_field.type.get_swap_to_host_func_name(),
- struct, self.nelem_field.name)
+ struct,
+ self.nelem_field.name,
+ )
else:
nelem_field = "%s%s" % (struct, self.nelem_field.name)
return (
"do { unsigned i; for (i = 0; i < %s; ++i) { %s } }"
- " while(0);" %
- (nelem_field, self.type.get_swap_to_be_code(
- struct, "%s[i]" % var)))
+ " while(0);"
+ % (
+ nelem_field,
+ self.type.get_swap_to_be_code(struct, "%s[i]" % var),
+ )
+ )
return self.type.get_swap_to_be_code(struct, "%s" % var)
def get_swap_to_host_code(self, struct, var):
if self.len is not None and type(self.len) != dict:
if self.len > 0:
- return "do { unsigned i; for (i = 0; i < %d; ++i) { %s } }"\
- " while(0);" % (
- self.len,
- self.type.get_swap_to_host_code(struct, "%s[i]" % var))
+ return (
+ "do { unsigned i; for (i = 0; i < %d; ++i) { %s } }"
+ " while(0);"
+ % (self.len, self.type.get_swap_to_host_code(struct, "%s[i]" % var))
+ )
else:
# nelem_field already swapped to host here...
return (
"do { unsigned i; for (i = 0; i < %s%s; ++i) { %s } }"
- " while(0);" %
- (struct, self.nelem_field.name,
- self.type.get_swap_to_host_code(
- struct, "%s[i]" % var)))
+ " while(0);"
+ % (
+ struct,
+ self.nelem_field.name,
+ self.type.get_swap_to_host_code(struct, "%s[i]" % var),
+ )
+ )
return self.type.get_swap_to_host_code(struct, "%s" % var)
def needs_byte_swap(self):
@@ -82,10 +100,14 @@ class CField(Field):
def get_vla_calc_size_code(self, prefix, path):
if self.is_vla():
- result = ["sizeof(%s.%s[0]) * %s" % (
- ".".join([prefix] + path),
- self.name,
- self.get_vla_field_length_name(path))]
+ result = [
+ "sizeof(%s.%s[0]) * %s"
+ % (
+ ".".join([prefix] + path),
+ self.name,
+ self.get_vla_field_length_name(path),
+ )
+ ]
else:
result = []
if self.type.has_vla():
@@ -96,10 +118,14 @@ class CField(Field):
def get_vla_assign_code(self, prefix, path):
result = []
if self.is_vla():
- result.append("%s.%s = %s" % (
- ".".join([prefix] + path),
- self.nelem_field.name,
- self.get_vla_field_length_name(path)))
+ result.append(
+ "%s.%s = %s"
+ % (
+ ".".join([prefix] + path),
+ self.nelem_field.name,
+ self.get_vla_field_length_name(path),
+ )
+ )
if self.type.has_vla():
t = self.type.get_vla_assign_code(prefix, path + [self.name])
result.extend(t)
@@ -113,52 +139,75 @@ class CAlias(CField):
def get_c_def(self):
if self.len is not None:
return "typedef %s vapi_type_%s[%d];" % (
- self.type.get_c_name(), self.name, self.len)
+ self.type.get_c_name(),
+ self.name,
+ self.len,
+ )
else:
- return "typedef %s vapi_type_%s;" % (
- self.type.get_c_name(), self.name)
+ return "typedef %s vapi_type_%s;" % (self.type.get_c_name(), self.name)
class CStruct(Struct):
def get_c_def(self):
- return "\n".join([
- "typedef struct __attribute__((__packed__)) {\n%s" % (
- "\n".join([" %s" % x.get_c_def()
- for x in self.fields])),
- "} %s;" % self.get_c_name()])
+ return "\n".join(
+ [
+ "typedef struct __attribute__((__packed__)) {\n%s"
+ % ("\n".join([" %s" % x.get_c_def() for x in self.fields])),
+ "} %s;" % self.get_c_name(),
+ ]
+ )
def get_vla_assign_code(self, prefix, path):
- return [x for f in self.fields if f.has_vla()
- for x in f.get_vla_assign_code(prefix, path)]
+ return [
+ x
+ for f in self.fields
+ if f.has_vla()
+ for x in f.get_vla_assign_code(prefix, path)
+ ]
def get_alloc_vla_param_names(self, path):
- return [x for f in self.fields
- if f.has_vla()
- for x in f.get_alloc_vla_param_names(path)]
+ return [
+ x
+ for f in self.fields
+ if f.has_vla()
+ for x in f.get_alloc_vla_param_names(path)
+ ]
def get_vla_calc_size_code(self, prefix, path):
- return [x for f in self.fields if f.has_vla()
- for x in f.get_vla_calc_size_code(prefix, path)]
+ return [
+ x
+ for f in self.fields
+ if f.has_vla()
+ for x in f.get_vla_calc_size_code(prefix, path)
+ ]
-class CSimpleType (SimpleType):
+class CSimpleType(SimpleType):
swap_to_be_dict = {
- 'i16': 'htobe16', 'u16': 'htobe16',
- 'i32': 'htobe32', 'u32': 'htobe32',
- 'i64': 'htobe64', 'u64': 'htobe64',
+ "i16": "htobe16",
+ "u16": "htobe16",
+ "i32": "htobe32",
+ "u32": "htobe32",
+ "i64": "htobe64",
+ "u64": "htobe64",
}
swap_to_host_dict = {
- 'i16': 'be16toh', 'u16': 'be16toh',
- 'i32': 'be32toh', 'u32': 'be32toh',
- 'i64': 'be64toh', 'u64': 'be64toh',
+ "i16": "be16toh",
+ "u16": "be16toh",
+ "i32": "be32toh",
+ "u32": "be32toh",
+ "i64": "be64toh",
+ "u64": "be64toh",
}
__packed = "__attribute__((packed))"
pack_dict = {
- 'i8': __packed, 'u8': __packed,
- 'i16': __packed, 'u16': __packed,
+ "i8": __packed,
+ "u8": __packed,
+ "i16": __packed,
+ "u16": __packed,
}
def get_c_name(self):
@@ -175,15 +224,21 @@ class CSimpleType (SimpleType):
def get_swap_to_be_code(self, struct, var, cast=None):
x = "%s%s" % (struct, var)
- return "%s = %s%s(%s);" % (x,
- "(%s)" % cast if cast else "",
- self.get_swap_to_be_func_name(), x)
+ return "%s = %s%s(%s);" % (
+ x,
+ "(%s)" % cast if cast else "",
+ self.get_swap_to_be_func_name(),
+ x,
+ )
def get_swap_to_host_code(self, struct, var, cast=None):
x = "%s%s" % (struct, var)
- return "%s = %s%s(%s);" % (x,
- "(%s)" % cast if cast else "",
- self.get_swap_to_host_func_name(), x)
+ return "%s = %s%s(%s);" % (
+ x,
+ "(%s)" % cast if cast else "",
+ self.get_swap_to_host_func_name(),
+ x,
+ )
def needs_byte_swap(self):
try:
@@ -205,7 +260,7 @@ class CEnum(Enum):
return "typedef enum {\n%s\n} %s %s;" % (
"\n".join([" %s = %s," % (i, j) for i, j in self.value_pairs]),
self.type.get_packed(),
- self.get_c_name()
+ self.get_c_name(),
)
def needs_byte_swap(self):
@@ -224,16 +279,15 @@ class CUnion(Union):
def get_c_def(self):
return "typedef union {\n%s\n} %s;" % (
- "\n".join([" %s %s;" % (i.get_c_name(), j)
- for i, j in self.type_pairs]),
- self.get_c_name()
+ "\n".join([" %s %s;" % (i.get_c_name(), j) for i, j in self.type_pairs]),
+ self.get_c_name(),
)
def needs_byte_swap(self):
return False
-class CStructType (StructType, CStruct):
+class CStructType(StructType, CStruct):
def get_c_name(self):
return "vapi_type_%s" % self.name
@@ -244,27 +298,36 @@ class CStructType (StructType, CStruct):
return "%s_ntoh" % self.get_c_name()
def get_swap_to_be_func_decl(self):
- return "void %s(%s *msg)" % (
- self.get_swap_to_be_func_name(), self.get_c_name())
+ return "void %s(%s *msg)" % (self.get_swap_to_be_func_name(), self.get_c_name())
def get_swap_to_be_func_def(self):
return "%s\n{\n%s\n}" % (
self.get_swap_to_be_func_decl(),
- "\n".join([
- " %s" % p.get_swap_to_be_code("msg->", "%s" % p.name)
- for p in self.fields if p.needs_byte_swap()]),
+ "\n".join(
+ [
+ " %s" % p.get_swap_to_be_code("msg->", "%s" % p.name)
+ for p in self.fields
+ if p.needs_byte_swap()
+ ]
+ ),
)
def get_swap_to_host_func_decl(self):
return "void %s(%s *msg)" % (
- self.get_swap_to_host_func_name(), self.get_c_name())
+ self.get_swap_to_host_func_name(),
+ self.get_c_name(),
+ )
def get_swap_to_host_func_def(self):
return "%s\n{\n%s\n}" % (
self.get_swap_to_host_func_decl(),
- "\n".join([
- " %s" % p.get_swap_to_host_code("msg->", "%s" % p.name)
- for p in self.fields if p.needs_byte_swap()]),
+ "\n".join(
+ [
+ " %s" % p.get_swap_to_host_code("msg->", "%s" % p.name)
+ for p in self.fields
+ if p.needs_byte_swap()
+ ]
+ ),
)
def get_swap_to_be_code(self, struct, var):
@@ -280,13 +343,11 @@ class CStructType (StructType, CStruct):
return False
-class CMessage (Message):
+class CMessage(Message):
def __init__(self, logger, definition, json_parser):
super(CMessage, self).__init__(logger, definition, json_parser)
self.payload_members = [
- " %s" % p.get_c_def()
- for p in self.fields
- if p.type != self.header
+ " %s" % p.get_c_def() for p in self.fields if p.type != self.header
]
def has_payload(self):
@@ -305,46 +366,65 @@ class CMessage (Message):
return "vapi_alloc_%s" % self.name
def get_alloc_vla_param_names(self):
- return [x for f in self.fields
- if f.has_vla()
- for x in f.get_alloc_vla_param_names([])]
+ return [
+ x
+ for f in self.fields
+ if f.has_vla()
+ for x in f.get_alloc_vla_param_names([])
+ ]
def get_alloc_func_decl(self):
return "%s* %s(struct vapi_ctx_s *ctx%s)" % (
self.get_c_name(),
self.get_alloc_func_name(),
- "".join([", size_t %s" % n for n in
- self.get_alloc_vla_param_names()]))
+ "".join([", size_t %s" % n for n in self.get_alloc_vla_param_names()]),
+ )
def get_alloc_func_def(self):
extra = []
- if self.header.has_field('client_index'):
- extra.append(
- " msg->header.client_index = vapi_get_client_index(ctx);")
- if self.header.has_field('context'):
+ if self.header.has_field("client_index"):
+ extra.append(" msg->header.client_index = vapi_get_client_index(ctx);")
+ if self.header.has_field("context"):
extra.append(" msg->header.context = 0;")
- return "\n".join([
- "%s" % self.get_alloc_func_decl(),
- "{",
- " %s *msg = NULL;" % self.get_c_name(),
- " const size_t size = sizeof(%s)%s;" % (
- self.get_c_name(),
- "".join([" + %s" % x for f in self.fields if f.has_vla()
- for x in f.get_vla_calc_size_code("msg->payload",
- [])])),
- " /* cast here required to play nicely with C++ world ... */",
- " msg = (%s*)vapi_msg_alloc(ctx, size);" % self.get_c_name(),
- " if (!msg) {",
- " return NULL;",
- " }",
- ] + extra + [
- " msg->header._vl_msg_id = vapi_lookup_vl_msg_id(ctx, %s);" %
- self.get_msg_id_name(),
- "".join([" %s;\n" % line
- for f in self.fields if f.has_vla()
- for line in f.get_vla_assign_code("msg->payload", [])]),
- " return msg;",
- "}"])
+ return "\n".join(
+ [
+ "%s" % self.get_alloc_func_decl(),
+ "{",
+ " %s *msg = NULL;" % self.get_c_name(),
+ " const size_t size = sizeof(%s)%s;"
+ % (
+ self.get_c_name(),
+ "".join(
+ [
+ " + %s" % x
+ for f in self.fields
+ if f.has_vla()
+ for x in f.get_vla_calc_size_code("msg->payload", [])
+ ]
+ ),
+ ),
+ " /* cast here required to play nicely with C++ world ... */",
+ " msg = (%s*)vapi_msg_alloc(ctx, size);" % self.get_c_name(),
+ " if (!msg) {",
+ " return NULL;",
+ " }",
+ ]
+ + extra
+ + [
+ " msg->header._vl_msg_id = vapi_lookup_vl_msg_id(ctx, %s);"
+ % self.get_msg_id_name(),
+ "".join(
+ [
+ " %s;\n" % line
+ for f in self.fields
+ if f.has_vla()
+ for line in f.get_vla_assign_code("msg->payload", [])
+ ]
+ ),
+ " return msg;",
+ "}",
+ ]
+ )
def get_calc_msg_size_func_name(self):
return "vapi_calc_%s_msg_size" % self.name
@@ -352,21 +432,26 @@ class CMessage (Message):
def get_calc_msg_size_func_decl(self):
return "uword %s(%s *msg)" % (
self.get_calc_msg_size_func_name(),
- self.get_c_name())
+ self.get_c_name(),
+ )
def get_calc_msg_size_func_def(self):
- return "\n".join([
- "%s" % self.get_calc_msg_size_func_decl(),
- "{",
- " return sizeof(*msg)%s;" %
- "".join(["+ msg->payload.%s * sizeof(msg->payload.%s[0])" % (
- f.nelem_field.name,
- f.name)
- for f in self.fields
- if f.nelem_field is not None
- ]),
- "}",
- ])
+ return "\n".join(
+ [
+ "%s" % self.get_calc_msg_size_func_decl(),
+ "{",
+ " return sizeof(*msg)%s;"
+ % "".join(
+ [
+ "+ msg->payload.%s * sizeof(msg->payload.%s[0])"
+ % (f.nelem_field.name, f.name)
+ for f in self.fields
+ if f.nelem_field is not None
+ ]
+ ),
+ "}",
+ ]
+ )
def get_verify_msg_size_func_name(self):
return f"vapi_verify_{self.name}_msg_size"
@@ -374,7 +459,8 @@ class CMessage (Message):
def get_verify_msg_size_func_decl(self):
return "int %s(%s *msg, uword buf_size)" % (
self.get_verify_msg_size_func_name(),
- self.get_c_name())
+ self.get_c_name(),
+ )
def get_verify_msg_size_func_def(self):
return inspect.cleandoc(
@@ -397,29 +483,39 @@ class CMessage (Message):
}}
return 0;
}}
- """)
+ """
+ )
def get_c_def(self):
if self.has_payload():
- return "\n".join([
- "typedef struct __attribute__ ((__packed__)) {",
- "%s " %
- "\n".join(self.payload_members),
- "} %s;" % self.get_payload_struct_name(),
- "",
- "typedef struct __attribute__ ((__packed__)) {",
- (" %s %s;" % (self.header.get_c_name(),
- self.fields[0].name)
- if self.header is not None else ""),
- " %s payload;" % self.get_payload_struct_name(),
- "} %s;" % self.get_c_name(), ])
+ return "\n".join(
+ [
+ "typedef struct __attribute__ ((__packed__)) {",
+ "%s " % "\n".join(self.payload_members),
+ "} %s;" % self.get_payload_struct_name(),
+ "",
+ "typedef struct __attribute__ ((__packed__)) {",
+ (
+ " %s %s;" % (self.header.get_c_name(), self.fields[0].name)
+ if self.header is not None
+ else ""
+ ),
+ " %s payload;" % self.get_payload_struct_name(),
+ "} %s;" % self.get_c_name(),
+ ]
+ )
else:
- return "\n".join([
- "typedef struct __attribute__ ((__packed__)) {",
- (" %s %s;" % (self.header.get_c_name(),
- self.fields[0].name)
- if self.header is not None else ""),
- "} %s;" % self.get_c_name(), ])
+ return "\n".join(
+ [
+ "typedef struct __attribute__ ((__packed__)) {",
+ (
+ " %s %s;" % (self.header.get_c_name(), self.fields[0].name)
+ if self.header is not None
+ else ""
+ ),
+ "} %s;" % self.get_c_name(),
+ ]
+ )
def get_swap_payload_to_host_func_name(self):
return "%s_payload_ntoh" % self.get_c_name()
@@ -430,29 +526,37 @@ class CMessage (Message):
def get_swap_payload_to_host_func_decl(self):
return "void %s(%s *payload)" % (
self.get_swap_payload_to_host_func_name(),
- self.get_payload_struct_name())
+ self.get_payload_struct_name(),
+ )
def get_swap_payload_to_be_func_decl(self):
return "void %s(%s *payload)" % (
self.get_swap_payload_to_be_func_name(),
- self.get_payload_struct_name())
+ self.get_payload_struct_name(),
+ )
def get_swap_payload_to_be_func_def(self):
return "%s\n{\n%s\n}" % (
self.get_swap_payload_to_be_func_decl(),
- "\n".join([
- " %s" % p.get_swap_to_be_code("payload->", "%s" % p.name)
- for p in self.fields
- if p.needs_byte_swap() and p.type != self.header]),
+ "\n".join(
+ [
+ " %s" % p.get_swap_to_be_code("payload->", "%s" % p.name)
+ for p in self.fields
+ if p.needs_byte_swap() and p.type != self.header
+ ]
+ ),
)
def get_swap_payload_to_host_func_def(self):
return "%s\n{\n%s\n}" % (
self.get_swap_payload_to_host_func_decl(),
- "\n".join([
- " %s" % p.get_swap_to_host_code("payload->", "%s" % p.name)
- for p in self.fields
- if p.needs_byte_swap() and p.type != self.header]),
+ "\n".join(
+ [
+ " %s" % p.get_swap_to_host_code("payload->", "%s" % p.name)
+ for p in self.fields
+ if p.needs_byte_swap() and p.type != self.header
+ ]
+ ),
)
def get_swap_to_host_func_name(self):
@@ -463,37 +567,50 @@ class CMessage (Message):
def get_swap_to_host_func_decl(self):
return "void %s(%s *msg)" % (
- self.get_swap_to_host_func_name(), self.get_c_name())
+ self.get_swap_to_host_func_name(),
+ self.get_c_name(),
+ )
def get_swap_to_be_func_decl(self):
- return "void %s(%s *msg)" % (
- self.get_swap_to_be_func_name(), self.get_c_name())
+ return "void %s(%s *msg)" % (self.get_swap_to_be_func_name(), self.get_c_name())
def get_swap_to_be_func_def(self):
- return "\n".join([
- "%s" % self.get_swap_to_be_func_decl(),
- "{",
- (" VAPI_DBG(\"Swapping `%s'@%%p to big endian\", msg);" %
- self.get_c_name()),
- " %s(&msg->header);" % self.header.get_swap_to_be_func_name()
- if self.header is not None else "",
- " %s(&msg->payload);" % self.get_swap_payload_to_be_func_name()
- if self.has_payload() else "",
- "}",
- ])
+ return "\n".join(
+ [
+ "%s" % self.get_swap_to_be_func_decl(),
+ "{",
+ (
+ ' VAPI_DBG("Swapping `%s\'@%%p to big endian", msg);'
+ % self.get_c_name()
+ ),
+ " %s(&msg->header);" % self.header.get_swap_to_be_func_name()
+ if self.header is not None
+ else "",
+ " %s(&msg->payload);" % self.get_swap_payload_to_be_func_name()
+ if self.has_payload()
+ else "",
+ "}",
+ ]
+ )
def get_swap_to_host_func_def(self):
- return "\n".join([
- "%s" % self.get_swap_to_host_func_decl(),
- "{",
- (" VAPI_DBG(\"Swapping `%s'@%%p to host byte order\", msg);" %
- self.get_c_name()),
- " %s(&msg->header);" % self.header.get_swap_to_host_func_name()
- if self.header is not None else "",
- " %s(&msg->payload);" % self.get_swap_payload_to_host_func_name()
- if self.has_payload() else "",
- "}",
- ])
+ return "\n".join(
+ [
+ "%s" % self.get_swap_to_host_func_decl(),
+ "{",
+ (
+ ' VAPI_DBG("Swapping `%s\'@%%p to host byte order", msg);'
+ % self.get_c_name()
+ ),
+ " %s(&msg->header);" % self.header.get_swap_to_host_func_name()
+ if self.header is not None
+ else "",
+ " %s(&msg->payload);" % self.get_swap_payload_to_host_func_name()
+ if self.has_payload()
+ else "",
+ "}",
+ ]
+ )
def get_op_func_name(self):
return "vapi_%s" % self.name
@@ -502,111 +619,126 @@ class CMessage (Message):
if self.reply.has_payload():
return "vapi_error_e %s(%s)" % (
self.get_op_func_name(),
- ",\n ".join([
- 'struct vapi_ctx_s *ctx',
- '%s *msg' % self.get_c_name(),
- 'vapi_error_e (*callback)(struct vapi_ctx_s *ctx',
- ' void *callback_ctx',
- ' vapi_error_e rv',
- ' bool is_last',
- ' %s *reply)' %
- self.reply.get_payload_struct_name(),
- 'void *callback_ctx',
- ])
+ ",\n ".join(
+ [
+ "struct vapi_ctx_s *ctx",
+ "%s *msg" % self.get_c_name(),
+ "vapi_error_e (*callback)(struct vapi_ctx_s *ctx",
+ " void *callback_ctx",
+ " vapi_error_e rv",
+ " bool is_last",
+ " %s *reply)"
+ % self.reply.get_payload_struct_name(),
+ "void *callback_ctx",
+ ]
+ ),
)
else:
return "vapi_error_e %s(%s)" % (
self.get_op_func_name(),
- ",\n ".join([
- 'struct vapi_ctx_s *ctx',
- '%s *msg' % self.get_c_name(),
- 'vapi_error_e (*callback)(struct vapi_ctx_s *ctx',
- ' void *callback_ctx',
- ' vapi_error_e rv',
- ' bool is_last)',
- 'void *callback_ctx',
- ])
+ ",\n ".join(
+ [
+ "struct vapi_ctx_s *ctx",
+ "%s *msg" % self.get_c_name(),
+ "vapi_error_e (*callback)(struct vapi_ctx_s *ctx",
+ " void *callback_ctx",
+ " vapi_error_e rv",
+ " bool is_last)",
+ "void *callback_ctx",
+ ]
+ ),
)
def get_op_func_def(self):
- return "\n".join([
- "%s" % self.get_op_func_decl(),
- "{",
- " if (!msg || !callback) {",
- " return VAPI_EINVAL;",
- " }",
- " if (vapi_is_nonblocking(ctx) && vapi_requests_full(ctx)) {",
- " return VAPI_EAGAIN;",
- " }",
- " vapi_error_e rv;",
- " if (VAPI_OK != (rv = vapi_producer_lock (ctx))) {",
- " return rv;",
- " }",
- " u32 req_context = vapi_gen_req_context(ctx);",
- " msg->header.context = req_context;",
- " %s(msg);" % self.get_swap_to_be_func_name(),
- (" if (VAPI_OK == (rv = vapi_send_with_control_ping "
- "(ctx, msg, req_context))) {"
- if self.reply_is_stream else
- " if (VAPI_OK == (rv = vapi_send (ctx, msg))) {"
- ),
- (" vapi_store_request(ctx, req_context, %s, "
- "(vapi_cb_t)callback, callback_ctx);" %
- ("true" if self.reply_is_stream else "false")),
- " if (VAPI_OK != vapi_producer_unlock (ctx)) {",
- " abort (); /* this really shouldn't happen */",
- " }",
- " if (vapi_is_nonblocking(ctx)) {",
- " rv = VAPI_OK;",
- " } else {",
- " rv = vapi_dispatch(ctx);",
- " }",
- " } else {",
- " %s(msg);" % self.get_swap_to_host_func_name(),
- " if (VAPI_OK != vapi_producer_unlock (ctx)) {",
- " abort (); /* this really shouldn't happen */",
- " }",
- " }",
- " return rv;",
- "}",
- "",
- ])
+ return "\n".join(
+ [
+ "%s" % self.get_op_func_decl(),
+ "{",
+ " if (!msg || !callback) {",
+ " return VAPI_EINVAL;",
+ " }",
+ " if (vapi_is_nonblocking(ctx) && vapi_requests_full(ctx)) {",
+ " return VAPI_EAGAIN;",
+ " }",
+ " vapi_error_e rv;",
+ " if (VAPI_OK != (rv = vapi_producer_lock (ctx))) {",
+ " return rv;",
+ " }",
+ " u32 req_context = vapi_gen_req_context(ctx);",
+ " msg->header.context = req_context;",
+ " %s(msg);" % self.get_swap_to_be_func_name(),
+ (
+ " if (VAPI_OK == (rv = vapi_send_with_control_ping "
+ "(ctx, msg, req_context))) {"
+ if self.reply_is_stream
+ else " if (VAPI_OK == (rv = vapi_send (ctx, msg))) {"
+ ),
+ (
+ " vapi_store_request(ctx, req_context, %s, "
+ "(vapi_cb_t)callback, callback_ctx);"
+ % ("true" if self.reply_is_stream else "false")
+ ),
+ " if (VAPI_OK != vapi_producer_unlock (ctx)) {",
+ " abort (); /* this really shouldn't happen */",
+ " }",
+ " if (vapi_is_nonblocking(ctx)) {",
+ " rv = VAPI_OK;",
+ " } else {",
+ " rv = vapi_dispatch(ctx);",
+ " }",
+ " } else {",
+ " %s(msg);" % self.get_swap_to_host_func_name(),
+ " if (VAPI_OK != vapi_producer_unlock (ctx)) {",
+ " abort (); /* this really shouldn't happen */",
+ " }",
+ " }",
+ " return rv;",
+ "}",
+ "",
+ ]
+ )
def get_event_cb_func_decl(self):
if not self.is_reply and not self.is_event:
- raise Exception(
- "Cannot register event callback for non-reply message")
+ raise Exception("Cannot register event callback for non-reply message")
if self.has_payload():
- return "\n".join([
- "void vapi_set_%s_event_cb (" %
- self.get_c_name(),
- " struct vapi_ctx_s *ctx, ",
- (" vapi_error_e (*callback)(struct vapi_ctx_s *ctx, "
- "void *callback_ctx, %s *payload)," %
- self.get_payload_struct_name()),
- " void *callback_ctx)",
- ])
+ return "\n".join(
+ [
+ "void vapi_set_%s_event_cb (" % self.get_c_name(),
+ " struct vapi_ctx_s *ctx, ",
+ (
+ " vapi_error_e (*callback)(struct vapi_ctx_s *ctx, "
+ "void *callback_ctx, %s *payload),"
+ % self.get_payload_struct_name()
+ ),
+ " void *callback_ctx)",
+ ]
+ )
else:
- return "\n".join([
- "void vapi_set_%s_event_cb (" %
- self.get_c_name(),
- " struct vapi_ctx_s *ctx, ",
- " vapi_error_e (*callback)(struct vapi_ctx_s *ctx, "
- "void *callback_ctx),",
- " void *callback_ctx)",
- ])
+ return "\n".join(
+ [
+ "void vapi_set_%s_event_cb (" % self.get_c_name(),
+ " struct vapi_ctx_s *ctx, ",
+ " vapi_error_e (*callback)(struct vapi_ctx_s *ctx, "
+ "void *callback_ctx),",
+ " void *callback_ctx)",
+ ]
+ )
def get_event_cb_func_def(self):
if not self.is_reply and not self.is_event:
- raise Exception(
- "Cannot register event callback for non-reply function")
- return "\n".join([
- "%s" % self.get_event_cb_func_decl(),
- "{",
- (" vapi_set_event_cb(ctx, %s, (vapi_event_cb)callback, "
- "callback_ctx);" %
- self.get_msg_id_name()),
- "}"])
+ raise Exception("Cannot register event callback for non-reply function")
+ return "\n".join(
+ [
+ "%s" % self.get_event_cb_func_decl(),
+ "{",
+ (
+ " vapi_set_event_cb(ctx, %s, (vapi_event_cb)callback, "
+ "callback_ctx);" % self.get_msg_id_name()
+ ),
+ "}",
+ ]
+ )
def get_c_metadata_struct_name(self):
return "__vapi_metadata_%s" % self.name
@@ -614,38 +746,41 @@ class CMessage (Message):
def get_c_constructor(self):
has_context = False
if self.header is not None:
- has_context = self.header.has_field('context')
- return '\n'.join([
- 'static void __attribute__((constructor)) __vapi_constructor_%s()'
- % self.name,
- '{',
- ' static const char name[] = "%s";' % self.name,
- ' static const char name_with_crc[] = "%s_%s";'
- % (self.name, self.crc[2:]),
- ' static vapi_message_desc_t %s = {' %
- self.get_c_metadata_struct_name(),
- ' name,',
- ' sizeof(name) - 1,',
- ' name_with_crc,',
- ' sizeof(name_with_crc) - 1,',
- ' true,' if has_context else ' false,',
- ' offsetof(%s, context),' % self.header.get_c_name()
- if has_context else ' 0,',
- (' offsetof(%s, payload),' % self.get_c_name())
- if self.has_payload() else ' VAPI_INVALID_MSG_ID,',
- ' (verify_msg_size_fn_t)%s,' %
- self.get_verify_msg_size_func_name(),
- ' (generic_swap_fn_t)%s,' % self.get_swap_to_be_func_name(),
- ' (generic_swap_fn_t)%s,' % self.get_swap_to_host_func_name(),
- ' VAPI_INVALID_MSG_ID,',
- ' };',
- '',
- ' %s = vapi_register_msg(&%s);' %
- (self.get_msg_id_name(), self.get_c_metadata_struct_name()),
- ' VAPI_DBG("Assigned msg id %%d to %s", %s);' %
- (self.name, self.get_msg_id_name()),
- '}',
- ])
+ has_context = self.header.has_field("context")
+ return "\n".join(
+ [
+ "static void __attribute__((constructor)) __vapi_constructor_%s()"
+ % self.name,
+ "{",
+ ' static const char name[] = "%s";' % self.name,
+ ' static const char name_with_crc[] = "%s_%s";'
+ % (self.name, self.crc[2:]),
+ " static vapi_message_desc_t %s = {"
+ % self.get_c_metadata_struct_name(),
+ " name,",
+ " sizeof(name) - 1,",
+ " name_with_crc,",
+ " sizeof(name_with_crc) - 1,",
+ " true," if has_context else " false,",
+ " offsetof(%s, context)," % self.header.get_c_name()
+ if has_context
+ else " 0,",
+ (" offsetof(%s, payload)," % self.get_c_name())
+ if self.has_payload()
+ else " VAPI_INVALID_MSG_ID,",
+ " (verify_msg_size_fn_t)%s," % self.get_verify_msg_size_func_name(),
+ " (generic_swap_fn_t)%s," % self.get_swap_to_be_func_name(),
+ " (generic_swap_fn_t)%s," % self.get_swap_to_host_func_name(),
+ " VAPI_INVALID_MSG_ID,",
+ " };",
+ "",
+ " %s = vapi_register_msg(&%s);"
+ % (self.get_msg_id_name(), self.get_c_metadata_struct_name()),
+ ' VAPI_DBG("Assigned msg id %%d to %s", %s);'
+ % (self.name, self.get_msg_id_name()),
+ "}",
+ ]
+ )
def emit_definition(parser, json_file, emitted, o):
@@ -659,11 +794,13 @@ def emit_definition(parser, json_file, emitted, o):
if hasattr(o, "reply"):
emit_definition(parser, json_file, emitted, o.reply)
if hasattr(o, "get_c_def"):
- if (o not in parser.enums_by_json[json_file] and
- o not in parser.types_by_json[json_file] and
- o not in parser.unions_by_json[json_file] and
- o.name not in parser.messages_by_json[json_file] and
- o not in parser.aliases_by_json[json_file]):
+ if (
+ o not in parser.enums_by_json[json_file]
+ and o not in parser.types_by_json[json_file]
+ and o not in parser.unions_by_json[json_file]
+ and o.name not in parser.messages_by_json[json_file]
+ and o not in parser.aliases_by_json[json_file]
+ ):
return
guard = "defined_%s" % o.get_c_name()
print("#ifndef %s" % guard)
@@ -673,11 +810,9 @@ def emit_definition(parser, json_file, emitted, o):
function_attrs = "static inline "
if o.name in parser.messages_by_json[json_file]:
if o.has_payload():
- print("%s%s" % (function_attrs,
- o.get_swap_payload_to_be_func_def()))
+ print("%s%s" % (function_attrs, o.get_swap_payload_to_be_func_def()))
print("")
- print("%s%s" % (function_attrs,
- o.get_swap_payload_to_host_func_def()))
+ print("%s%s" % (function_attrs, o.get_swap_payload_to_host_func_def()))
print("")
print("%s%s" % (function_attrs, o.get_swap_to_be_func_def()))
print("")
@@ -711,8 +846,12 @@ def gen_json_unified_header(parser, logger, j, io, name):
orig_stdout = sys.stdout
sys.stdout = io
include_guard = "__included_%s" % (
- j.replace(".", "_").replace("/", "_").replace("-", "_").replace(
- "+", "_").replace("@", "_"))
+ j.replace(".", "_")
+ .replace("/", "_")
+ .replace("-", "_")
+ .replace("+", "_")
+ .replace("@", "_")
+ )
print("#ifndef %s" % include_guard)
print("#define %s" % include_guard)
print("")
@@ -724,12 +863,14 @@ def gen_json_unified_header(parser, logger, j, io, name):
print("#include <vapi/vapi_dbg.h>")
print("")
print("#ifdef __cplusplus")
- print("extern \"C\" {")
+ print('extern "C" {')
print("#endif")
if name == "memclnt.api.vapi.h":
print("")
- print("static inline vapi_error_e vapi_send_with_control_ping "
- "(vapi_ctx_t ctx, void * msg, u32 context);")
+ print(
+ "static inline vapi_error_e vapi_send_with_control_ping "
+ "(vapi_ctx_t ctx, void * msg, u32 context);"
+ )
elif name == "vlib.api.vapi.h":
print("#include <vapi/memclnt.api.vapi.h>")
else:
@@ -738,12 +879,18 @@ def gen_json_unified_header(parser, logger, j, io, name):
for m in parser.messages_by_json[j].values():
print("extern vapi_msg_id_t %s;" % m.get_msg_id_name())
print("")
- print("#define DEFINE_VAPI_MSG_IDS_%s\\" %
- f.replace(".", "_").replace("/", "_").replace("-", "_").upper())
- print("\\\n".join([
- " vapi_msg_id_t %s;" % m.get_msg_id_name()
- for m in parser.messages_by_json[j].values()
- ]))
+ print(
+ "#define DEFINE_VAPI_MSG_IDS_%s\\"
+ % f.replace(".", "_").replace("/", "_").replace("-", "_").upper()
+ )
+ print(
+ "\\\n".join(
+ [
+ " vapi_msg_id_t %s;" % m.get_msg_id_name()
+ for m in parser.messages_by_json[j].values()
+ ]
+ )
+ )
print("")
print("")
emitted = []
@@ -802,12 +949,11 @@ def gen_c_unified_headers(parser, logger, prefix, remove_path):
d, f = os.path.split(j)
else:
f = j
- with open('%s%s' % (prefix, json_to_c_header_name(f)), "w") as io:
- gen_json_unified_header(
- parser, logger, j, io, json_to_c_header_name(f))
+ with open("%s%s" % (prefix, json_to_c_header_name(f)), "w") as io:
+ gen_json_unified_header(parser, logger, j, io, json_to_c_header_name(f))
-if __name__ == '__main__':
+if __name__ == "__main__":
try:
verbose = int(os.getenv("V", 0))
except:
@@ -825,23 +971,30 @@ if __name__ == '__main__':
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('--remove-path', action='store_true',
- help='remove path from filename')
+ 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(
+ "--remove-path", action="store_true", help="remove path from filename"
+ )
args = argparser.parse_args()
- jsonparser = JsonParser(logger, args.files,
- simple_type_class=CSimpleType,
- enum_class=CEnum,
- union_class=CUnion,
- struct_type_class=CStructType,
- field_class=CField,
- message_class=CMessage,
- alias_class=CAlias)
+ jsonparser = JsonParser(
+ logger,
+ args.files,
+ simple_type_class=CSimpleType,
+ enum_class=CEnum,
+ union_class=CUnion,
+ struct_type_class=CStructType,
+ field_class=CField,
+ message_class=CMessage,
+ alias_class=CAlias,
+ )
# not using the model of having separate generated header and code files
# with generated symbols present in shared library (per discussion with
diff --git a/src/vpp-api/vapi/vapi_cpp_gen.py b/src/vpp-api/vapi/vapi_cpp_gen.py
index 7bc2e7fecf0..33744a3d58c 100755
--- a/src/vpp-api/vapi/vapi_cpp_gen.py
+++ b/src/vpp-api/vapi/vapi_cpp_gen.py
@@ -4,8 +4,16 @@ import argparse
import os
import sys
import logging
-from vapi_c_gen import CField, CEnum, CStruct, CSimpleType, CStructType,\
- CMessage, json_to_c_header_name, CAlias
+from vapi_c_gen import (
+ CField,
+ CEnum,
+ CStruct,
+ CSimpleType,
+ CStructType,
+ CMessage,
+ json_to_c_header_name,
+ CAlias,
+)
from vapi_json_parser import JsonParser
@@ -25,53 +33,64 @@ class CppAlias(CAlias):
pass
-class CppSimpleType (CSimpleType):
+class CppSimpleType(CSimpleType):
pass
-class CppStructType (CStructType, CppStruct):
+class CppStructType(CStructType, CppStruct):
pass
-class CppMessage (CMessage):
+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:])
@@ -86,51 +105,60 @@ class CppMessage (CMessage):
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):
@@ -139,8 +167,8 @@ def gen_json_header(parser, logger, j, io, gen_h_prefix, add_debug_comments):
sys.stdout = io
d, f = os.path.split(j)
include_guard = "__included_hpp_%s" % (
- f.replace(".", "_").replace("/", "_").replace("-", "_").replace(
- "@", "_"))
+ f.replace(".", "_").replace("/", "_").replace("-", "_").replace("@", "_")
+ )
print("#ifndef %s" % include_guard)
print("#define %s" % include_guard)
print("")
@@ -202,8 +230,9 @@ def json_to_cpp_header_name(json_name):
raise Exception("Unexpected json name `%s'!" % json_name)
-def gen_cpp_headers(parser, logger, prefix, gen_h_prefix, remove_path,
- 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:
@@ -217,12 +246,11 @@ def gen_cpp_headers(parser, logger, prefix, gen_h_prefix, 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)
+ 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:
@@ -240,27 +268,36 @@ if __name__ == '__main__':
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('--remove-path', action='store_true',
- help='remove path from filename')
+ 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,
- enum_class=CppEnum,
- message_class=CppMessage,
- alias_class=CppAlias)
-
- gen_cpp_headers(jsonparser, logger, args.prefix, args.gen_h_prefix,
- args.remove_path)
+ 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.warning(e)
diff --git a/src/vpp-api/vapi/vapi_json_parser.py b/src/vpp-api/vapi/vapi_json_parser.py
index 1383d456bf1..a323f15e7b6 100644
--- a/src/vpp-api/vapi/vapi_json_parser.py
+++ b/src/vpp-api/vapi/vapi_json_parser.py
@@ -3,7 +3,7 @@
import json
-class ParseError (Exception):
+class ParseError(Exception):
pass
@@ -13,14 +13,12 @@ magic_suffix = "_t"
def remove_magic(what):
if what.startswith(magic_prefix) and what.endswith(magic_suffix):
- return what[len(magic_prefix): - len(magic_suffix)]
+ return what[len(magic_prefix) : -len(magic_suffix)]
return what
class Field(object):
-
- def __init__(self, field_name, field_type, array_len=None,
- nelem_field=None):
+ def __init__(self, field_name, field_type, array_len=None, nelem_field=None):
self.name = field_name
self.type = field_type
self.len = array_len
@@ -30,17 +28,23 @@ class Field(object):
if self.len is None:
return "Field(name: %s, type: %s)" % (self.name, self.type)
elif type(self.len) == dict:
- return "Field(name: %s, type: %s, length: %s)" % (self.name,
- self.type,
- self.len)
+ return "Field(name: %s, type: %s, length: %s)" % (
+ self.name,
+ self.type,
+ self.len,
+ )
elif self.len > 0:
- return "Field(name: %s, type: %s, length: %s)" % (self.name,
- self.type,
- self.len)
+ return "Field(name: %s, type: %s, length: %s)" % (
+ self.name,
+ self.type,
+ self.len,
+ )
else:
- return (
- "Field(name: %s, type: %s, variable length stored in: %s)" %
- (self.name, self.type, self.nelem_field))
+ return "Field(name: %s, type: %s, variable length stored in: %s)" % (
+ self.name,
+ self.type,
+ self.nelem_field,
+ )
def is_vla(self):
return self.nelem_field is not None
@@ -61,32 +65,38 @@ class Type(object):
return self.name
-class SimpleType (Type):
-
+class SimpleType(Type):
def has_vla(self):
return False
def get_msg_header_defs(struct_type_class, field_class, json_parser, logger):
return [
- struct_type_class(['msg_header1_t',
- ['u16', '_vl_msg_id'],
- ['u32', 'context'],
- ],
- json_parser, field_class, logger
- ),
- struct_type_class(['msg_header2_t',
- ['u16', '_vl_msg_id'],
- ['u32', 'client_index'],
- ['u32', 'context'],
- ],
- json_parser, field_class, logger
- ),
+ struct_type_class(
+ [
+ "msg_header1_t",
+ ["u16", "_vl_msg_id"],
+ ["u32", "context"],
+ ],
+ json_parser,
+ field_class,
+ logger,
+ ),
+ struct_type_class(
+ [
+ "msg_header2_t",
+ ["u16", "_vl_msg_id"],
+ ["u32", "client_index"],
+ ["u32", "context"],
+ ],
+ json_parser,
+ field_class,
+ logger,
+ ),
]
class Struct(object):
-
def __init__(self, name, fields):
self.name = name
self.fields = fields
@@ -112,7 +122,7 @@ class Enum(SimpleType):
def __str__(self):
return "Enum(%s, [%s])" % (
self.name,
- "], [" .join(["%s => %s" % (i, j) for i, j in self.value_pairs])
+ "], [".join(["%s => %s" % (i, j) for i, j in self.value_pairs]),
)
@@ -126,7 +136,7 @@ class Union(Type):
def __str__(self):
return "Union(%s, [%s])" % (
self.name,
- "], [" .join(["%s %s" % (i, j) for i, j in self.type_pairs])
+ "], [".join(["%s %s" % (i, j) for i, j in self.type_pairs]),
)
def has_vla(self):
@@ -134,7 +144,6 @@ class Union(Type):
class Message(object):
-
def __init__(self, logger, definition, json_parser):
struct_type_class = json_parser.struct_type_class
field_class = json_parser.field_class
@@ -150,22 +159,24 @@ class Message(object):
self.is_reply = json_parser.is_reply(self.name)
self.is_event = json_parser.is_event(self.name)
fields = []
- for header in get_msg_header_defs(struct_type_class, field_class,
- json_parser, logger):
+ for header in get_msg_header_defs(
+ struct_type_class, field_class, json_parser, logger
+ ):
logger.debug("Probing header `%s'" % header.name)
if header.is_part_of_def(m[1:]):
self.header = header
logger.debug("Found header `%s'" % header.name)
- fields.append(field_class(field_name='header',
- field_type=self.header))
+ fields.append(field_class(field_name="header", field_type=self.header))
ignore = False
break
if ignore and not self.is_event and not self.is_reply:
- raise ParseError("While parsing message `%s': could not find all "
- "common header fields" % name)
+ raise ParseError(
+ "While parsing message `%s': could not find all "
+ "common header fields" % name
+ )
for field in m[1:]:
- if isinstance(field, dict) and 'crc' in field:
- self.crc = field['crc']
+ if isinstance(field, dict) and "crc" in field:
+ self.crc = field["crc"]
logger.debug("Found CRC `%s'" % self.crc)
continue
else:
@@ -175,25 +186,22 @@ class Message(object):
if any(type(n) is dict for n in field):
l -= 1
if l == 2:
- if self.header is not None and\
- self.header.has_field(field[1]):
+ if self.header is not None and self.header.has_field(field[1]):
continue
- p = field_class(field_name=field[1],
- field_type=field_type)
+ p = field_class(field_name=field[1], field_type=field_type)
elif l == 3:
- if field[2] == 0 and field[0] != 'string':
+ if field[2] == 0 and field[0] != "string":
raise ParseError(
"While parsing message `%s': variable length "
"array `%s' doesn't have reference to member "
- "containing the actual length" % (
- name, field[1]))
- if field[0] == 'string' and field[2] > 0:
- field_type = json_parser.lookup_type_like_id('u8')
+ "containing the actual length" % (name, field[1])
+ )
+ if field[0] == "string" and field[2] > 0:
+ field_type = json_parser.lookup_type_like_id("u8")
p = field_class(
- field_name=field[1],
- field_type=field_type,
- array_len=field[2])
+ field_name=field[1], field_type=field_type, array_len=field[2]
+ )
elif l == 4:
nelem_field = None
for f in fields:
@@ -203,17 +211,19 @@ class Message(object):
raise ParseError(
"While parsing message `%s': couldn't find "
"variable length array `%s' member containing "
- "the actual length `%s'" % (
- name, field[1], field[3]))
+ "the actual length `%s'" % (name, field[1], field[3])
+ )
p = field_class(
field_name=field[1],
field_type=field_type,
array_len=field[2],
- nelem_field=nelem_field)
+ nelem_field=nelem_field,
+ )
else:
- raise Exception("Don't know how to parse message "
- "definition for message `%s': `%s'" %
- (m, m[1:]))
+ raise Exception(
+ "Don't know how to parse message "
+ "definition for message `%s': `%s'" % (m, m[1:])
+ )
logger.debug("Parsed field `%s'" % p)
fields.append(p)
self.fields = fields
@@ -221,35 +231,36 @@ class Message(object):
logger.debug("Parsed message: %s" % self)
def __str__(self):
- return "Message(%s, [%s], {crc: %s}" % \
- (self.name,
- "], [".join([str(f) for f in self.fields]),
- self.crc)
-
+ return "Message(%s, [%s], {crc: %s}" % (
+ self.name,
+ "], [".join([str(f) for f in self.fields]),
+ self.crc,
+ )
-class StructType (Type, Struct):
+class StructType(Type, Struct):
def __init__(self, definition, json_parser, field_class, logger):
t = definition
logger.debug("Parsing struct definition `%s'" % t)
name = t[0]
fields = []
for field in t[1:]:
- if len(field) == 1 and 'crc' in field:
- self.crc = field['crc']
+ if len(field) == 1 and "crc" in field:
+ self.crc = field["crc"]
continue
field_type = json_parser.lookup_type_like_id(field[0])
logger.debug("Parsing type field `%s'" % field)
if len(field) == 2:
- p = field_class(field_name=field[1],
- field_type=field_type)
+ p = field_class(field_name=field[1], field_type=field_type)
elif len(field) == 3:
if field[2] == 0:
- raise ParseError("While parsing type `%s': array `%s' has "
- "variable length" % (name, field[1]))
- p = field_class(field_name=field[1],
- field_type=field_type,
- array_len=field[2])
+ raise ParseError(
+ "While parsing type `%s': array `%s' has "
+ "variable length" % (name, field[1])
+ )
+ p = field_class(
+ field_name=field[1], field_type=field_type, array_len=field[2]
+ )
elif len(field) == 4:
nelem_field = None
for f in fields:
@@ -259,23 +270,25 @@ class StructType (Type, Struct):
raise ParseError(
"While parsing message `%s': couldn't find "
"variable length array `%s' member containing "
- "the actual length `%s'" % (
- name, field[1], field[3]))
- p = field_class(field_name=field[1],
- field_type=field_type,
- array_len=field[2],
- nelem_field=nelem_field)
+ "the actual length `%s'" % (name, field[1], field[3])
+ )
+ p = field_class(
+ field_name=field[1],
+ field_type=field_type,
+ array_len=field[2],
+ nelem_field=nelem_field,
+ )
else:
raise ParseError(
"Don't know how to parse field `%s' of type definition "
- "for type `%s'" % (field, t))
+ "for type `%s'" % (field, t)
+ )
fields.append(p)
Type.__init__(self, name)
Struct.__init__(self, name, fields)
def __str__(self):
- return "StructType(%s, %s)" % (Type.__str__(self),
- Struct.__str__(self))
+ return "StructType(%s, %s)" % (Type.__str__(self), Struct.__str__(self))
def has_field(self, name):
return name in self.field_names
@@ -289,30 +302,47 @@ class StructType (Type, Struct):
if field[0] != p.type.name:
raise ParseError(
"Unexpected field type `%s' (should be `%s'), "
- "while parsing msg/def/field `%s/%s/%s'" %
- (field[0], p.type, p.name, definition, field))
+ "while parsing msg/def/field `%s/%s/%s'"
+ % (field[0], p.type, p.name, definition, field)
+ )
return True
class JsonParser(object):
- def __init__(self, logger, files, simple_type_class=SimpleType,
- enum_class=Enum, union_class=Union,
- struct_type_class=StructType, field_class=Field,
- message_class=Message, alias_class=Alias):
+ def __init__(
+ self,
+ logger,
+ files,
+ simple_type_class=SimpleType,
+ enum_class=Enum,
+ union_class=Union,
+ struct_type_class=StructType,
+ field_class=Field,
+ message_class=Message,
+ alias_class=Alias,
+ ):
self.services = {}
self.messages = {}
self.enums = {}
self.unions = {}
self.aliases = {}
self.types = {
- x: simple_type_class(x) for x in [
- 'i8', 'i16', 'i32', 'i64',
- 'u8', 'u16', 'u32', 'u64',
- 'f64', 'bool'
+ x: simple_type_class(x)
+ for x in [
+ "i8",
+ "i16",
+ "i32",
+ "i64",
+ "u8",
+ "u16",
+ "u32",
+ "u64",
+ "f64",
+ "bool",
]
}
- self.types['string'] = simple_type_class('vl_api_string_t')
+ self.types["string"] = simple_type_class("vl_api_string_t")
self.replies = set()
self.events = set()
self.simple_type_class = simple_type_class
@@ -345,15 +375,15 @@ class JsonParser(object):
self.messages_by_json[path] = {}
with open(path) as f:
j = json.load(f)
- for k in j['services']:
+ for k in j["services"]:
if k in self.services:
raise ParseError("Duplicate service `%s'" % k)
- self.services[k] = j['services'][k]
+ self.services[k] = j["services"][k]
self.replies.add(self.services[k]["reply"])
if "events" in self.services[k]:
for x in self.services[k]["events"]:
self.events.add(x)
- for e in j['enums']:
+ for e in j["enums"]:
name = e[0]
value_pairs = e[1:-1]
enumtype = self.types[e[-1]["enumtype"]]
@@ -365,14 +395,15 @@ class JsonParser(object):
progress = 0
last_progress = 0
while True:
- for u in j['unions']:
+ for u in j["unions"]:
name = u[0]
if name in self.unions:
progress = progress + 1
continue
try:
- type_pairs = [[self.lookup_type_like_id(t), n]
- for t, n in u[1:]]
+ type_pairs = [
+ [self.lookup_type_like_id(t), n] for t, n in u[1:]
+ ]
union = self.union_class(name, type_pairs, 0)
progress = progress + 1
except ParseError as e:
@@ -381,17 +412,16 @@ class JsonParser(object):
self.unions[union.name] = union
self.logger.debug("Parsed union: %s" % union)
self.unions_by_json[path].append(union)
- for t in j['types']:
+ for t in j["types"]:
if t[0] in self.types:
progress = progress + 1
continue
try:
- type_ = self.struct_type_class(t, self,
- self.field_class,
- self.logger)
+ type_ = self.struct_type_class(
+ t, self, self.field_class, self.logger
+ )
if type_.name in self.types:
- raise ParseError(
- "Duplicate type `%s'" % type_.name)
+ raise ParseError("Duplicate type `%s'" % type_.name)
progress = progress + 1
except ParseError as e:
exceptions.append(e)
@@ -399,16 +429,16 @@ class JsonParser(object):
self.types[type_.name] = type_
self.types_by_json[path].append(type_)
self.logger.debug("Parsed type: %s" % type_)
- for name, body in j['aliases'].items():
+ for name, body in j["aliases"].items():
if name in self.aliases:
progress = progress + 1
continue
- if 'length' in body:
- array_len = body['length']
+ if "length" in body:
+ array_len = body["length"]
else:
array_len = None
try:
- t = self.lookup_type_like_id(body['type'])
+ t = self.lookup_type_like_id(body["type"])
except ParseError as e:
exceptions.append(e)
continue
@@ -430,14 +460,13 @@ class JsonParser(object):
processed = []
while True:
exceptions = []
- for m in j['messages']:
+ for m in j["messages"]:
if m in processed:
continue
try:
msg = self.message_class(self.logger, m, self)
if msg.name in self.messages:
- raise ParseError(
- "Duplicate message `%s'" % msg.name)
+ raise ParseError("Duplicate message `%s'" % msg.name)
except ParseError as e:
exceptions.append(e)
continue
@@ -470,7 +499,8 @@ class JsonParser(object):
return self.aliases[mundane_name]
raise ParseError(
"Could not find type, enum or union by magic name `%s' nor by "
- "mundane name `%s'" % (name, mundane_name))
+ "mundane name `%s'" % (name, mundane_name)
+ )
def is_reply(self, message):
return message in self.replies
@@ -479,7 +509,7 @@ class JsonParser(object):
return message in self.events
def get_reply(self, message):
- return self.messages[self.services[message]['reply']]
+ return self.messages[self.services[message]["reply"]]
def finalize_parsing(self):
if len(self.messages) == 0:
@@ -493,17 +523,14 @@ class JsonParser(object):
try:
m.reply = self.get_reply(n)
if "stream" in self.services[m.name]:
- m.reply_is_stream = \
- self.services[m.name]["stream"]
+ m.reply_is_stream = self.services[m.name]["stream"]
else:
m.reply_is_stream = False
m.reply.request = m
except:
- raise ParseError(
- "Cannot find reply to message `%s'" % n)
+ raise ParseError("Cannot find reply to message `%s'" % n)
except ParseError as e:
self.exceptions.append(e)
remove.append(n)
- self.messages_by_json[jn] = {
- k: v for k, v in j.items() if k not in remove}
+ self.messages_by_json[jn] = {k: v for k, v in j.items() if k not in remove}