LIST *
builtin_luafile(
PARSE *parse,
LOL *args,
int *jmp)
{
int top;
int ret;
LIST *l2;
int index = 0;
LIST *l = lol_get(args, 0);
if (!l) {
printf("jam: No argument passed to LuaFile\n");
exit(EXITBAD);
}
ls_lua_init();
top = ls_lua_gettop(L);
ls_lua_newtable(L);
for (l2 = lol_get(args, 1); l2; l2 = l2->next) {
ls_lua_pushstring(L, l2->string);
ls_lua_rawseti(L, -2, ++index);
}
ls_lua_setfield(L, LUA_GLOBALSINDEX, "arg");
ret = ls_luaL_loadfile(L, l->string);
return ls_lua_callhelper(top, ret);
}
LIST *
builtin_luafile(
PARSE *parse,
LOL *args,
int *jmp)
{
int top;
int ret;
LISTITEM *l2;
int index = 0;
LIST *l = lol_get(args, 0);
if (!list_first(l)) {
printf("jam: No argument passed to LuaFile\n");
exit(EXITBAD);
}
ls_lua_init();
top = ls_lua_gettop(L);
ls_lua_newtable(L);
for (l2 = list_first(lol_get(args, 1)); l2; l2 = list_next(l2)) {
ls_lua_pushstring(L, list_value(l2));
ls_lua_rawseti(L, -2, ++index);
}
ls_lua_setglobal(L, "arg");
ret = ls_luaL_loadfile(L, list_value(list_first(l)));
return ls_lua_callhelper(top, ret);
}
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;
}
int luahelper_taskadd(const char* taskscript)
{
int ret;
int ref;
size_t taskscriptlen = strlen(taskscript);
char* newTaskScript;
ls_lua_init();
ls_lua_getfield(L, LUA_GLOBALSINDEX, "lanes"); /* lanes */
ls_lua_getfield(L, -1, "gen"); /* lanes gen */
ls_lua_pushstring(L, "*"); /* lanes gen * */
newTaskScript = malloc( taskscriptlen + 1 );
strncpy(newTaskScript, taskscript, taskscriptlen);
newTaskScript[taskscriptlen] = 0;
ret = ls_luaL_loadstring(L, newTaskScript); /* lanes gen * script */
if (ret != 0)
{
if (ls_lua_isstring(L, -1))
printf("jam: Error compiling Lua lane\n%s\n", ls_lua_tostring(L, -1));
ls_lua_pop(L, 2);
printf("%s\n", newTaskScript);
free(newTaskScript);
return -1;
}
free(newTaskScript);
ret = ls_lua_pcall(L, 2, 1, 0); /* lanes lane_h */
if (ret != 0)
{
if (ls_lua_isstring(L, -1))
printf("jam: Error creating Lua lane\n%s\n", ls_lua_tostring(L, -1));
ls_lua_pop(L, 2);
return -1;
}
if (!ls_lua_isfunction(L, -1)) /* lanes lane_h */
{
ls_lua_pop(L, 2);
return -1;
}
ret = ls_lua_pcall(L, 0, 1, 0); /* lanes ret */
if (ret != 0)
{
if (ls_lua_isstring(L, -1))
printf("jam: Error calling Lua lane\n%s\n", ls_lua_tostring(L, -1));
ls_lua_pop(L, 2);
return -1;
}
ref = ls_luaL_ref(L, LUA_REGISTRYINDEX);
ls_lua_pop(L, 1);
return ref;
}
int luahelper_push_linefilter(const char* actionName) {
ls_lua_init();
ls_lua_getglobal(L, "LineFilters"); /* LineFilters */
ls_lua_getfield(L, -1, actionName); /* LineFilters function */
if (!ls_lua_isfunction(L, -1)) {
ls_lua_pop(L, 2);
return 0;
}
ls_lua_remove(L, -2);
linefilter_stack_position = ls_lua_gettop(L);
return 1;
}
int luahelper_md5callback(const char *filename, MD5SUM sum, const char* callback)
{
int ret;
ls_lua_init();
ls_lua_getfield(L, LUA_GLOBALSINDEX, callback);
if (!ls_lua_isfunction(L, -1))
{
ls_lua_pop(L, 1);
printf("jam: Error calling Lua md5 callback '%s'.\n", callback);
memset(sum, 0, sizeof(MD5SUM));
return 0;
}
ls_lua_pushstring(L, filename);
ret = ls_lua_pcall(L, 1, 1, 0);
if (ret != 0)
{
if (ls_lua_isstring(L, -1))
printf("jam: Error running Lua md5 callback\n%s\n", ls_lua_tostring(L, -1));
ls_lua_pop(L, 1);
memset(sum, 0, sizeof(MD5SUM));
return 0;
}
if (ls_lua_isnil(L, -1))
{
memset(sum, 0, sizeof(MD5SUM));
ls_lua_pop(L, 1);
return 0;
}
if (!ls_lua_isstring(L, -1) || ls_lua_objlen(L, -1) != sizeof(MD5SUM))
{
printf("jam: Error running Lua md5 callback '%s'.\n", callback);
memset(sum, 0, sizeof(MD5SUM));
ls_lua_pop(L, 1);
return 0;
}
memcpy(sum, ls_lua_tostring(L, -1), sizeof(MD5SUM));
ls_lua_pop(L, 1);
return 1;
}
LIST *
builtin_luastring(
PARSE *parse,
LOL *args,
int *jmp)
{
int top;
int ret;
LIST *l = lol_get(args, 0);
if (!l)
{
printf("jam: No argument passed to LuaString\n");
exit(EXITBAD);
}
ls_lua_init();
top = ls_lua_gettop(L);
ret = ls_luaL_loadstring(L, l->string);
return ls_lua_callhelper(top, ret);
}
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;
}
int luahelper_taskadd(const char* taskscript, LOL* args)
{
int ret;
int ref;
size_t taskscriptlen = strlen(taskscript);
char* newTaskScript;
int i;
ls_lua_init();
ls_lua_getglobal(L, "lanes"); /* lanes */
ls_lua_getfield(L, -1, "gen"); /* lanes gen */
ls_lua_pushstring(L, "*"); /* lanes gen * */
newTaskScript = malloc( taskscriptlen + 1 );
strncpy(newTaskScript, taskscript, taskscriptlen);
newTaskScript[taskscriptlen] = 0;
ret = ls_luaL_loadstring(L, newTaskScript); /* lanes gen * script */
if (ret != 0)
{
if (ls_lua_isstring(L, -1))
printf("jam: Error compiling Lua lane\n%s\n", ls_lua_tostring(L, -1));
ls_lua_pop(L, 2);
printf("%s\n", newTaskScript);
free(newTaskScript);
return -1;
}
free(newTaskScript);
ret = ls_lua_pcall(L, 2, 1, 0); /* lanes lane_h */
if (ret != 0)
{
if (ls_lua_isstring(L, -1))
printf("jam: Error creating Lua lane\n%s\n", ls_lua_tostring(L, -1));
ls_lua_pop(L, 2);
return -1;
}
if (!ls_lua_isfunction(L, -1)) /* lanes lane_h */
{
ls_lua_pop(L, 2);
return -1;
}
for (i = 0; i < args->count; ++i)
{
LIST* list = lol_get(args, i);
LISTITEM *l2;
int index = 0;
ls_lua_newtable(L);
for (l2 = list_first(list); l2; l2 = list_next(l2))
{
ls_lua_pushstring(L, list_value(l2));
ls_lua_rawseti(L, -2, ++index);
}
}
ret = ls_lua_pcall(L, args->count, 1, 0); /* lanes ret */
if (ret != 0)
{
if (ls_lua_isstring(L, -1))
printf("jam: Error calling Lua lane\n%s\n", ls_lua_tostring(L, -1));
ls_lua_pop(L, 2);
return -1;
}
ref = ls_luaL_ref(L, LUA_REGISTRYINDEX);
ls_lua_pop(L, 1);
return ref;
}
