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AP_Scripting: generator: combine null checks in getter as error is terminal

This commit is contained in:
Iampete1 2022-10-16 01:36:37 +01:00 committed by Andrew Tridgell
parent 499fe79221
commit 5711ac9596
1 changed files with 8 additions and 6 deletions
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14
libraries/AP_Scripting/generator/src/main.c
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@ -1275,8 +1275,13 @@ void emit_ap_object_checkers(void) {
while (node) {
start_dependency(source, node->dependency);
fprintf(source, "%s ** check_%s(lua_State *L, int arg) {\n", node->name, node->sanatized_name);
fprintf(source, " void *data = luaL_checkudata(L, arg, \"%s\");\n", node->name);
fprintf(source, " return (%s **)data;\n", node->name);
fprintf(source, " %s ** data = (%s**)luaL_checkudata(L, arg, \"%s\");\n", node->name, node->name, node->name);
fprintf(source, " %s * ud = *data;\n", node->name);
fprintf(source, " if (ud == NULL) {\n");
fprintf(source, " // This error will never return, so there is no danger of returning a NULL\n");
fprintf(source, " luaL_error(L, \"Internal error, null pointer\");\n");
fprintf(source, " }\n");
fprintf(source, " return data;\n");
fprintf(source, "}\n");
end_dependency(source, node->dependency);
fprintf(source, "\n");
@ -1821,9 +1826,6 @@ void emit_userdata_method(const struct userdata *data, const struct method *meth
case UD_AP_OBJECT:
// extract the userdata, it was a pointer, so we need to grab it
fprintf(source, " %s * ud = *check_%s(L, 1);\n", data->name, data->sanatized_name);
fprintf(source, " if (ud == NULL) {\n");
fprintf(source, " return luaL_error(L, \"Internal error, null pointer\");\n");
fprintf(source, " }\n");
break;
}
@ -2037,7 +2039,7 @@ void emit_userdata_method(const struct userdata *data, const struct method *meth
fprintf(source, " return 0;\n");
fprintf(source, " }\n");
fprintf(source, " new_%s(L);\n", method->return_type.data.ud.sanatized_name);
fprintf(source, " *check_%s(L, -1) = data;\n", method->return_type.data.ud.sanatized_name);
fprintf(source, " *(%s**)luaL_checkudata(L, -1, \"%s\") = data;\n", method->return_type.data.ud.name, method->return_type.data.ud.name);
break;
case TYPE_NONE:
case TYPE_LITERAL: