make Lua:LoadFile return error instead of boolean

1 files changed, 11 insertions, 7 deletions

diff --git a/lua.go b/lua.go
index e86005a..4867d22 100644
--- a/lua.go
+++ b/lua.go
@@ -58,12 +58,11 @@ func (l *Lua) Close() {
 
 // Require loads and executes the file pushing results onto the Lua stack.
 func (l *Lua) Require(file string) error {
-	if !l.LoadFile(file) {
-		errMsg := l.ToString(-1)
-		l.Pop(1)
-		return errors.New("could not open the file:\n" + errMsg)
+	err := l.LoadFile(file)
+	if err != nil {
+		return errors.New("could not open the file:\n" + err.Error())
 	}
-	err := l.PCall(0, C.LUA_MULTRET)
+	err = l.PCall(0, C.LUA_MULTRET)
 	if err != nil {
 		return errors.New("could not execute the file:\n" + err.Error())
 	}
@@ -83,11 +82,16 @@ func (l *Lua) PCall(nargs int, nresults int) error {
 }
 
 // LoadFile loads the file code in the current Lua context.
-func (l *Lua) LoadFile(file string) bool {
+func (l *Lua) LoadFile(file string) error {
 	cstr := C.CString(file)
 	defer C.free(unsafe.Pointer(cstr))
 	res := C.luaL_loadfilex(l.l, cstr, nil)
-	return res == C.LUA_OK
+	if res != C.LUA_OK {
+		errMsg := l.ToString(-1)
+		l.Pop(1)
+		return errors.New(errMsg)
+	}
+	return nil
 }
 
 // StackLen returns the length of the Lua stack.