add basic matrix implementation

1 files changed, 19 insertions, 0 deletions

diff --git a/common.c b/common.c
new file mode 100644
index 0000000..f5521fd
--- /dev/null
+++ b/common.c
@@ -0,0 +1,19 @@
+#ifndef NERV_COMMON_H
+#define NERV_COMMON_H
+#include "common.h"
+#include <stdarg.h>
+int nerv_error(lua_State *L, const char *err_mesg_fmt, ...) {
+    va_list ap;
+    va_start(ap, err_mesg_fmt);
+    lua_pushstring(L, "Nerv internal error: ");
+    lua_pushvfstring(L, err_mesg_fmt, ap); 
+    lua_concat(L, 2);
+    lua_error(L);
+    va_end(ap);
+    return 0;
+}
+
+int nerv_error_method_not_implemented(lua_State *L) {
+    return nerv_error(L, "method not implemented"); 
+}
+#endif