static LIST *luahelper_addtolist(ls_lua_State *L, LIST *list, int index)
{
if (ls_lua_isboolean(L, index))
return list_append(list, ls_lua_toboolean(L, index) ? "true" : "false", 0);
if (ls_lua_isnumber(L, index)) {
LIST* newList;
ls_lua_pushvalue(L, index);
newList = list_append(list, ls_lua_tostring(L, -1), 0);
ls_lua_pop(L, 1);
return newList;
}
if (ls_lua_isstring(L, index)) {
const char* value = ls_lua_tostring(L, index);
return list_append(list, value, 0);
}
else if (ls_lua_istable(L, index))
{
ls_lua_pushnil(L);
while (ls_lua_next(L, index) != 0)
{
list = luahelper_addtolist(L, list, ls_lua_gettop(L));
ls_lua_pop(L, 1);
}
}
return list;
}
const char* luahelper_linefilter(const char* line, size_t lineSize) {
int ret;
int top;
char* out;
if (linefilter_stack_position == -1) {
fprintf(stderr, "jam: Line filter access not enabled.\n");
exit(1);
}
ls_lua_init();
top = ls_lua_gettop(L);
ls_lua_pushvalue(L, linefilter_stack_position);
ls_lua_pushlstring(L, line, lineSize); /* function line */
ret = ls_lua_pcall(L, 1, 1, 0);
if (ret != 0)
{
if (ls_lua_isstring(L, -1))
fprintf(stderr, "jam: Error running line filter.\n%s\n", ls_lua_tostring(L, -1));
ls_lua_settop(L, top);
return NULL;
}
out = malloc(ls_lua_rawlen(L, -1) + 1);
strcpy(out, ls_lua_tostring(L, -1));
ls_lua_settop(L, top);
return out;
}
void luahelper_taskcancel(int taskid)
{
int ret;
ls_lua_init();
ls_lua_rawgeti(L, LUA_REGISTRYINDEX, taskid);
ls_lua_pushvalue(L, -1);
ls_lua_getfield(L, -1, "cancel");
ls_lua_pushvalue(L, -2);
ls_lua_pushnumber(L, 0);
ls_lua_pushboolean(L, 1);
ret = ls_lua_pcall(L, 3, -1, 0);
if (ret != 0)
{
if (ls_lua_isstring(L, -1))
printf("jam: Error running Lua task.cancel\n%s\n", ls_lua_tostring(L, -1));
ls_lua_pop(L, 2);
return;
}
ls_lua_pop(L, 1);
}
int luahelper_taskisrunning(int taskid, int* returnValue)
{
const char* status;
ls_lua_init();
ls_lua_rawgeti(L, LUA_REGISTRYINDEX, taskid); /* lane_h */
if (!ls_lua_istable(L, -1))
{
*returnValue = 1;
ls_lua_pop(L, 1);
return 0;
}
ls_lua_getfield(L, -1, "status"); /* lane_h status */
status = ls_lua_tostring(L, -1);
if (strcmp(status, "done") == 0)
{
int ret;
ls_lua_pop(L, 1); /* lane_h */
ls_lua_getfield(L, -1, "join"); /* lane_h join(function) */
ls_lua_pushvalue(L, -2); /* lane_h join(function) lane_h */
ret = ls_lua_pcall(L, 1, 1, 0); /* lane_h ret */
if (ret != 0)
{
if (ls_lua_isstring(L, -1))
printf("jam: Error in Lua lane\n%s\n", ls_lua_tostring(L, -1));
*returnValue = 1;
}
if (ls_lua_isnumber(L, -1))
*returnValue = (int)ls_lua_tonumber(L, -1);
ls_lua_pop(L, 2);
ls_luaL_unref(L, LUA_REGISTRYINDEX, taskid);
return 0;
}
else if (strcmp(status, "error") == 0 || strcmp(status, "cancelled") == 0)
{
int ret;
*returnValue = 1;
ls_lua_pop(L, 1); /* lane_h */
ls_lua_getfield(L, -1, "join"); /* lane_h join(function) */
ls_lua_pushvalue(L, -2); /* lane_h join(function) lane_h */
ret = ls_lua_pcall(L, 1, 3, 0); /* lane_h nil err stack_tbl */
if (ret != 0)
{
if (ls_lua_isstring(L, -1))
printf("jam: Error in Lua lane\n%s\n", ls_lua_tostring(L, -1));
ls_lua_pop(L, 2);
return 0;
}
if (ls_lua_isstring(L, -2))
{
printf("jam: Error in Lua lane\n%s\n", ls_lua_tostring(L, -2));
}
ls_lua_pop(L, 4); /* */
ls_luaL_unref(L, LUA_REGISTRYINDEX, taskid);
return 0;
}
ls_lua_pop(L, 2);
return 1;
}
