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update sproto

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This commit is contained in:
Cloud Wu
2025-12-29 18:51:36 +08:00
parent 351d21d62c
commit bbb12f3c85
1 changed files with 30 additions and 17 deletions
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47
lualib-src/sproto/lsproto.c
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@@ -242,8 +242,8 @@ get_encodefield(const struct sproto_arg *args) {
self->iter_table = top - 1;
self->iter_key = top;
} else if (!lua_istable(L,self->array_index)) {
return luaL_error(L, ".*%s(%d) should be a table or an userdata with metamethods (Is a %s)",
args->tagname, args->index, lua_typename(L, lua_type(L, -1)));
return luaL_error(L, "%s.%s(%d) should be a table or an userdata with metamethods (Is a %s)",
sproto_name(self->st), args->tagname, args->index, lua_typename(L, lua_type(L, -1)));
} else {
lua_pushnil(L);
self->iter_func = 0;
@@ -296,8 +296,8 @@ encode_one(const struct sproto_arg *args, struct encode_ud *self) {
} else {
v = tointegerx(L, -1, &isnum);
if(!isnum) {
return luaL_error(L, ".%s[%d] is not an integer (Is a %s)",
args->tagname, args->index, lua_typename(L, lua_type(L, -1)));
return luaL_error(L, "%s.%s[%d] is not an integer (Is a %s)",
sproto_name(self->st), args->tagname, args->index, lua_typename(L, lua_type(L, -1)));
}
}
lua_pop(L,1);
@@ -315,14 +315,15 @@ encode_one(const struct sproto_arg *args, struct encode_ud *self) {
case SPROTO_TDOUBLE: {
lua_Number v = lua_tonumber(L, -1);
*(double*)args->value = (double)v;
lua_pop(L,1);
return 8;
}
case SPROTO_TBOOLEAN: {
int isbool;
int v = tobooleanx(L, -1, &isbool);
if (!isbool) {
return luaL_error(L, ".%s[%d] is not a boolean (Is a %s)",
args->tagname, args->index, lua_typename(L, lua_type(L, -1)));
return luaL_error(L, "%s.%s[%d] is not a boolean (Is a %s)",
sproto_name(self->st), args->tagname, args->index, lua_typename(L, lua_type(L, -1)));
}
*(int *)args->value = v;
lua_pop(L,1);
@@ -334,8 +335,8 @@ encode_one(const struct sproto_arg *args, struct encode_ud *self) {
int type = lua_type(L, -1); // get the type firstly, lua_tolstring may convert value on stack to string
const char * str = tolstringx(L, -1, &sz, &isstring);
if (!isstring) {
return luaL_error(L, ".%s[%d] is not a string (Is a %s)",
args->tagname, args->index, lua_typename(L, type));
return luaL_error(L, "%s.%s[%d] is not a string (Is a %s)",
sproto_name(self->st), args->tagname, args->index, lua_typename(L, type));
}
if (sz > args->length)
return SPROTO_CB_ERROR;
@@ -359,7 +360,7 @@ encode_one(const struct sproto_arg *args, struct encode_ud *self) {
sub.iter_key = 0;
r = sproto_encode(args->subtype, args->value, args->length, encode, &sub);
lua_settop(L, top-1); // pop the value
if (r < 0)
if (r < 0)
return SPROTO_CB_ERROR;
return r;
}
@@ -389,15 +390,26 @@ encode(const struct sproto_arg *args) {
static void *
expand_buffer(lua_State *L, int osz, int nsz) {
void *output;
do {
osz *= 2;
} while (osz < nsz);
if (osz > ENCODE_MAXSIZE) {
// assert(osz > 0 && osz < nsz)
if (luai_unlikely(nsz > ENCODE_MAXSIZE)) {
luaL_error(L, "object is too large (>%d)", ENCODE_MAXSIZE);
return NULL;
}
output = lua_newuserdata(L, osz);
// osz = osz * 1.5
// factor > 1.618... never reuse alloced space
// factor = 1.3, reuse after 3 steps
// factor = 1.4, reuse after 4 steps
// factor = 1.5, reuse after 5 steps
// factor = 1.6, reuse after 8 steps
osz += osz >> 1;
if (osz < nsz) {
osz = nsz;
} else if (osz > ENCODE_MAXSIZE) {
osz = ENCODE_MAXSIZE;
}
void *output = lua_newuserdata(L, osz);
lua_replace(L, lua_upvalueindex(1));
lua_pushinteger(L, osz);
lua_replace(L, lua_upvalueindex(2));
@@ -440,8 +452,9 @@ lencode(lua_State *L) {
r = sproto_encode(st, buffer, sz, encode, &self);
if (r<0) {
buffer = expand_buffer(L, sz, sz*2);
sz *= 2;
// nsz > osz to double sz
buffer = expand_buffer(L, sz, sz + 1);
sz = lua_tointeger(L, lua_upvalueindex(2));
} else {
lua_pushlstring(L, buffer, r);
return 1;