static void lupb_pushmsgval(lua_State *L, upb_fieldtype_t type,
upb_msgval val) {
switch (type) {
case UPB_TYPE_INT32:
case UPB_TYPE_ENUM:
lupb_pushint32(L, upb_msgval_getint32(val));
return;
case UPB_TYPE_INT64:
lupb_pushint64(L, upb_msgval_getint64(val));
return;
case UPB_TYPE_UINT32:
lupb_pushuint32(L, upb_msgval_getuint32(val));
return;
case UPB_TYPE_UINT64:
lupb_pushuint64(L, upb_msgval_getuint64(val));
return;
case UPB_TYPE_DOUBLE:
lupb_pushdouble(L, upb_msgval_getdouble(val));
return;
case UPB_TYPE_FLOAT:
lupb_pushfloat(L, upb_msgval_getfloat(val));
return;
case UPB_TYPE_BOOL:
lua_pushboolean(L, upb_msgval_getbool(val));
return;
case UPB_TYPE_STRING:
case UPB_TYPE_BYTES:
case UPB_TYPE_MESSAGE:
break; /* Shouldn't call this function. */
}
UPB_UNREACHABLE();
}
static upb_msgval lupb_tomsgval(lua_State *L, upb_fieldtype_t type, int narg,
const lupb_msgclass *lmsgclass) {
switch (type) {
case UPB_TYPE_INT32:
case UPB_TYPE_ENUM:
return upb_msgval_int32(lupb_checkint32(L, narg));
case UPB_TYPE_INT64:
return upb_msgval_int64(lupb_checkint64(L, narg));
case UPB_TYPE_UINT32:
return upb_msgval_uint32(lupb_checkuint32(L, narg));
case UPB_TYPE_UINT64:
return upb_msgval_uint64(lupb_checkuint64(L, narg));
case UPB_TYPE_DOUBLE:
return upb_msgval_double(lupb_checkdouble(L, narg));
case UPB_TYPE_FLOAT:
return upb_msgval_float(lupb_checkfloat(L, narg));
case UPB_TYPE_BOOL:
return upb_msgval_bool(lupb_checkbool(L, narg));
case UPB_TYPE_STRING:
case UPB_TYPE_BYTES: {
size_t len;
const char *ptr = lupb_checkstring(L, narg, &len);
return upb_msgval_str(ptr, len);
}
case UPB_TYPE_MESSAGE:
UPB_ASSERT(lmsgclass);
return upb_msgval_msg(lupb_msg_checkmsg(L, narg, lmsgclass));
}
UPB_UNREACHABLE();
}
static void upb_map_tokey(upb_fieldtype_t type, upb_msgval *key,
const char **out_key, size_t *out_len) {
switch (type) {
case UPB_TYPE_STRING:
/* Point to string data of the input key. */
*out_key = key->str.data;
*out_len = key->str.size;
return;
case UPB_TYPE_BOOL:
case UPB_TYPE_INT32:
case UPB_TYPE_UINT32:
case UPB_TYPE_INT64:
case UPB_TYPE_UINT64:
/* Point to the key itself. XXX: big-endian. */
*out_key = (const char*)key;
*out_len = upb_msgval_sizeof(type);
return;
case UPB_TYPE_BYTES:
case UPB_TYPE_DOUBLE:
case UPB_TYPE_ENUM:
case UPB_TYPE_FLOAT:
case UPB_TYPE_MESSAGE:
break; /* Cannot be a map key. */
}
UPB_UNREACHABLE();
}
static upb_msgval upb_map_fromkey(upb_fieldtype_t type, const char *key,
size_t len) {
switch (type) {
case UPB_TYPE_STRING:
return upb_msgval_makestr(key, len);
case UPB_TYPE_BOOL:
case UPB_TYPE_INT32:
case UPB_TYPE_UINT32:
case UPB_TYPE_INT64:
case UPB_TYPE_UINT64:
return upb_msgval_read(key, 0, upb_msgval_sizeof(type));
case UPB_TYPE_BYTES:
case UPB_TYPE_DOUBLE:
case UPB_TYPE_ENUM:
case UPB_TYPE_FLOAT:
case UPB_TYPE_MESSAGE:
break; /* Cannot be a map key. */
}
UPB_UNREACHABLE();
}
static size_t upb_msgval_sizeof(upb_fieldtype_t type) {
switch (type) {
case UPB_TYPE_DOUBLE:
case UPB_TYPE_INT64:
case UPB_TYPE_UINT64:
return 8;
case UPB_TYPE_ENUM:
case UPB_TYPE_INT32:
case UPB_TYPE_UINT32:
case UPB_TYPE_FLOAT:
return 4;
case UPB_TYPE_BOOL:
return 1;
case UPB_TYPE_MESSAGE:
return sizeof(void*);
case UPB_TYPE_BYTES:
case UPB_TYPE_STRING:
return sizeof(upb_strview);
}
UPB_UNREACHABLE();
}