Add ablity to look through named tables

Author: sourrust

src/commands/debugger.c

@@ -1,16 +1,30 @@
 #include "debugger.h"
 
-#include <stdio.h>
 #include <lua.h>
 
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
 #include "laco.h"
+#include "util.h"
 
 void laco_print_debug_info(struct LacoState* laco,
                            const char* function_name) {
-  lua_State* L = laco_get_laco_lua_state(laco);
+  int i;
+  char* namespace;
+  lua_State* L         = laco_get_laco_lua_state(laco);
+  size_t index         = LUA_GLOBALSINDEX;
   lua_Debug debug_info = {0};
 
-  lua_getfield(L, LUA_GLOBALSINDEX, function_name);
+  char* name        = strdup(function_name);
+  char** namespaces = laco_split_by(".", name, 0);
+
+  /* Walk down the namespace if there is something to go down */
+  for(i = 0; (namespace = namespaces[i]); i++) {
+    lua_getfield(L, index, namespace);
+    index = lua_gettop(L);
+  }
 
   lua_getinfo(L, ">Sl", &debug_info);
 
@@ -21,4 +35,12 @@ void laco_print_debug_info(struct LacoState* laco,
     "Current line:    \t%d\n",
     debug_info.what, debug_info.source,
     debug_info.linedefined, debug_info.currentline);
+
+  /* Pop off the extra fields from the top of the stack */
+  if(i > 1) {
+    lua_pop(L, i - 1);
+  }
+
+  free(name);
+  free(namespaces);
 }