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Diffstat (limited to 'src/script/common/c_internal.cpp')
-rw-r--r--src/script/common/c_internal.cpp24
1 files changed, 22 insertions, 2 deletions
diff --git a/src/script/common/c_internal.cpp b/src/script/common/c_internal.cpp
index ddd2d184c..79063141d 100644
--- a/src/script/common/c_internal.cpp
+++ b/src/script/common/c_internal.cpp
@@ -27,10 +27,11 @@ with this program; if not, write to the Free Software Foundation, Inc.,
std::string script_get_backtrace(lua_State *L)
{
- lua_rawgeti(L, LUA_REGISTRYINDEX, CUSTOM_RIDX_BACKTRACE);
+ lua_getglobal(L, "debug");
+ lua_getfield(L, -1, "traceback");
lua_call(L, 0, 1);
std::string result = luaL_checkstring(L, -1);
- lua_pop(L, 1);
+ lua_pop(L, 2);
return result;
}
@@ -46,6 +47,25 @@ int script_exception_wrapper(lua_State *L, lua_CFunction f)
return lua_error(L); // Rethrow as a Lua error.
}
+int script_error_handler(lua_State *L)
+{
+ lua_getglobal(L, "core");
+ lua_getfield(L, -1, "error_handler");
+ if (!lua_isnil(L, -1)) {
+ lua_pushvalue(L, 1);
+ } else {
+ // No Lua error handler available. Call debug.traceback(tostring(#1), level).
+ lua_getglobal(L, "debug");
+ lua_getfield(L, -1, "traceback");
+ lua_getglobal(L, "tostring");
+ lua_pushvalue(L, 1);
+ lua_call(L, 1, 1);
+ }
+ lua_pushinteger(L, 2); // Stack level
+ lua_call(L, 2, 1);
+ return 1;
+}
+
/*
* Note that we can't get tracebacks for LUA_ERRMEM or LUA_ERRERR (without
* hacking Lua internals). For LUA_ERRMEM, this is because memory errors will