From 2fa0047f4600ef95d32e864dd7c54e99e27265fe Mon Sep 17 00:00:00 2001
From: sanine <sanine.not@pm.me>
Date: Fri, 24 Feb 2023 04:06:36 -0600
Subject: refactor: bind (almost) all ode functions

---
 src/util/util.c | 37 +++++++++++++++++++++++++++++++++++++
 src/util/util.h |  1 +
 2 files changed, 38 insertions(+)

(limited to 'src/util')

diff --git a/src/util/util.c b/src/util/util.c
index 6f1ee44..564ffd4 100644
--- a/src/util/util.c
+++ b/src/util/util.c
@@ -76,3 +76,40 @@ int gc_canary_collect(lua_State *L)
 	luaL_unref(L, LUA_REGISTRYINDEX, *canary);
 	return 0;
 }
+
+
+static int h_traceback(lua_State *L)
+{
+   if (!lua_isstring(L, 1))
+      /* 'message' is not a string, keep intact */
+      return 1;
+
+   lua_getglobal(L, "debug");
+   if (!lua_istable(L, -1)) {
+      lua_pop(L, 1);
+      return 1;
+   }
+
+   lua_getfield(L, -1, "traceback");
+   if (!lua_isfunction(L, -1)) {
+      lua_pop(L, 2);
+      return 1;
+   }
+
+   lua_pushvalue(L, 1);
+   lua_pushinteger(L, 2);
+   lua_call(L, 2, 1);
+   return 1;
+}
+
+
+int h_call(lua_State *L, int nargs, int nret)
+{
+   int traceback_pos = lua_gettop(L) - nargs;
+   lua_pushcfunction(L, h_traceback);
+   lua_insert(L, traceback_pos);
+
+   int result = lua_pcall(L, nargs, nret, traceback_pos);
+   lua_remove(L, traceback_pos);
+   return result;
+}
diff --git a/src/util/util.h b/src/util/util.h
index 6092d11..ab68330 100644
--- a/src/util/util.h
+++ b/src/util/util.h
@@ -22,5 +22,6 @@ struct honey_tbl_t {
 void setup_util(lua_State *L, int honey_tbl);
 void create_table(lua_State *L, struct honey_tbl_t *tbl);
 void append_table(lua_State *L, int tbl_a, int tbl_b);
+int h_call(lua_State *L, int nargs, int nret);
 
 #endif
-- 
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