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AP_Scripting: support userdata alias

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Iampete1 2021-01-28 22:35:54 +00:00 committed by Andrew Tridgell
parent 9d739cfa42
commit 590be4049c
1 changed files with 11 additions and 3 deletions
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14
libraries/AP_Scripting/generator/src/main.c
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@ -811,6 +811,14 @@ void handle_userdata(void) {
handle_method(node->name, &(node->methods));
} else if (strcmp(type, keyword_enum) == 0) {
handle_userdata_enum(node);
} else if (strcmp(type, keyword_alias) == 0) {
const char *alias = next_token();
if (alias == NULL) {
error(ERROR_SINGLETON, "Missing the name of the alias for userdata %s", node->name);
}
node->alias = (char *)allocate(strlen(alias) + 1);
strcpy(node->alias, alias);
} else {
error(ERROR_USERDATA, "Unknown or unsupported type for userdata: %s", type);
}
@ -999,7 +1007,7 @@ void emit_userdata_allocators(void) {
fprintf(source, " void *ud = lua_newuserdata(L, sizeof(%s));\n", node->name);
fprintf(source, " memset(ud, 0, sizeof(%s));\n", node->name);
fprintf(source, " new (ud) %s();\n", node->name);
fprintf(source, " luaL_getmetatable(L, \"%s\");\n", node->name);
fprintf(source, " luaL_getmetatable(L, \"%s\");\n", node->alias ? node->alias : node->name);
fprintf(source, " lua_setmetatable(L, -2);\n");
fprintf(source, " return 1;\n");
fprintf(source, "}\n");
@ -1032,7 +1040,7 @@ void emit_userdata_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, " void *data = luaL_checkudata(L, arg, \"%s\");\n", node->alias ? node->alias : node->name);
fprintf(source, " return (%s *)data;\n", node->name);
fprintf(source, "}\n");
end_dependency(source, node->dependency);
@ -1950,7 +1958,7 @@ void emit_sandbox(void) {
fprintf(source, "} new_userdata[] = {\n");
while (data) {
start_dependency(source, data->dependency);
fprintf(source, " {\"%s\", new_%s},\n", data->name, data->sanatized_name);
fprintf(source, " {\"%s\", new_%s},\n", data->alias ? data->alias : data->name, data->sanatized_name);
end_dependency(source, data->dependency);
data = data->next;
}