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Add position information to the error message when aegisub.log is called with bad arguments 

Originally committed to SVN as r6455.
This commit is contained in:
Thomas Goyne 2012-02-07 23:17:06 +00:00
parent 003322813e
commit 07327c2b65
1 changed files with 9 additions and 1 deletions
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10
aegisub/src/auto4_lua_progresssink.cpp
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@ -42,6 +42,7 @@
#ifdef __WINDOWS__
#include "../../contrib/lua51/src/lua.h"
#include "../../contrib/lua51/src/lauxlib.h"
#else
#include <lua.hpp>
#endif
@ -165,7 +166,14 @@ namespace Automation4 {
// put the format function into place
lua_insert(L, 1);
// call format function
lua_call(L, lua_gettop(L)-1, 1);
if (lua_pcall(L, lua_gettop(L) - 1, 1, 0)) {
// format failed so top of the stack now has an error message
// which we want to add position information to
luaL_where(L, 1);
lua_insert(L, 1);
lua_concat(L, 2);
lua_error(L);
}
}
// Top of stack is now a string to output