better errors and docs

1 files changed, 11 insertions, 1 deletions

diff --git a/src/lua.h b/src/lua.h
index 1d5bea1..8fc934c 100644
--- a/src/lua.h
+++ b/src/lua.h
@@ -7,6 +7,7 @@
 

 #ifndef __lua_h

 #define __lua_h

+

 enum deep_copy_flags {

   SKIP_META = (1 << 0),

   SKIP_GC = (1 << 1),

@@ -81,12 +82,21 @@ void luaI_jointable(lua_State* L);
   lua_settable(L, Tidx);\

   lua_pop(L, 1);}

 

+//in lullaby.h

+extern int _print_errors;

+

 #define luaI_error(L, en, str){\

   lua_pushnil(L);\

   lua_pushstring(L, str);\

+  if(_print_errors) printf("%s\n",str);\

   lua_pushinteger(L, en);\

   return 3;}

-

+#define luaI_assert(L, eq){_helperluaI_assert(L, eq, __FILE__, __LINE__);}

+#define _helperluaI_assert(L, eq, file, line){\

+  if(!(eq)){\

+    char err[1024] = {0};\

+    sprintf(err, "(%s:%i) %s assertion failed", file, line, #eq);\

+    luaI_error(L, -1, err);}}

 

 int writer(lua_State*, const void*, size_t, void*);