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[api] Keep the protobuf write cursor in a register and emit sub-message tags inline (#20124)

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This commit is contained in:
J. Nick Koston
2026-10-07 10:08:25 -10:00
committed by GitHub
parent 0323fd36d4
commit 3296bccd3c
12 changed files with 495 additions and 538 deletions
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script/api_protobuf/api_protobuf.py
+5 -7
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@@ -941,7 +941,7 @@ class MessageType(TypeInfo):
return False
def encode_element(self, number: int, element: str) -> str:
return _encode_call("encode_sub_message", "buffer", str(number), element)
return _encode_call("encode_sub_message", str(number), element)
@property
def cpp_type(self) -> str:
@@ -964,9 +964,8 @@ class MessageType(TypeInfo):
@property
def encode_content(self) -> str:
# Sub-message encoding needs buffer for backpatch/sync
return _encode_call(
self.encode_func, "buffer", str(self.number), f"this->{self.field_name}"
self.encode_func, str(self.number), f"this->{self.field_name}"
)
@property
@@ -2722,19 +2721,18 @@ def build_message_type(
)
for line in encode
]
o = f"{speed_attr}uint8_t *{desc.name}::encode_msg(const void *self, ProtoWriteBuffer &buffer PROTO_ENCODE_DEBUG_PARAM) {{\n"
o = f"{speed_attr}uint8_t *{desc.name}::encode_msg(const void *self, uint8_t *__restrict__ pos PROTO_ENCODE_DEBUG_PARAM) {{\n"
o += f" const auto &msg = *static_cast<const {desc.name} *>(self);\n"
o += " uint8_t *__restrict__ pos = buffer.get_pos();\n"
o += indent("\n".join(encode_debug)).replace("this->", "msg.") + "\n"
o += " return pos;\n"
o += "}\n"
cpp += o
public_content.append(
"static uint8_t *encode_msg(const void *self, ProtoWriteBuffer &buffer PROTO_ENCODE_DEBUG_PARAM);"
"static uint8_t *encode_msg(const void *self, uint8_t *pos PROTO_ENCODE_DEBUG_PARAM);"
)
public_content.append(
"uint8_t *encode(ProtoWriteBuffer &buffer PROTO_ENCODE_DEBUG_PARAM) const {\n"
" return encode_msg(this, buffer PROTO_ENCODE_DEBUG_ARG);\n"
" return encode_msg(this, buffer.get_pos() PROTO_ENCODE_DEBUG_ARG);\n"
"}"
)
# If no fields to encode or message doesn't need encoding, the default implementation in ProtoMessage will be used