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| author | faketruth <faketruth@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2011-10-03 20:41:19 +0200 |
|---|---|---|
| committer | faketruth <faketruth@0a769ca7-a7f5-676a-18bf-c427514a06d6> | 2011-10-03 20:41:19 +0200 |
| commit | 386d58b5862d8b76925c6523721594887606e82a (patch) | |
| tree | ef073e7a843f4b75a4008d4b7383f7cdf08ceee5 /source/tolua_base.h | |
| parent | Visual Studio 2010 solution and project files (diff) | |
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Diffstat (limited to 'source/tolua_base.h')
| -rw-r--r-- | source/tolua_base.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/source/tolua_base.h b/source/tolua_base.h new file mode 100644 index 000000000..28ab9d41d --- /dev/null +++ b/source/tolua_base.h @@ -0,0 +1,125 @@ +#ifndef TOLUA_BASE_H
+#define TOLUA_BASE_H
+
+#pragma warning(disable:4800) // This file is ONLY included by Bindings.cpp and it throws lots of C4800 warnings
+
+#include "tolua++.h"
+#include "cMCLogger.h"
+
+class ToluaBase {
+
+ int lua_instance;
+
+protected:
+
+ lua_State* lua_state;
+
+ void lua_stacktrace(lua_State* L) const
+ {
+ lua_Debug entry;
+ int depth = 0;
+
+ while (lua_getstack(L, depth, &entry))
+ {
+ lua_getinfo(L, "Sln", &entry);
+
+ LOGERROR("%s(%d): %s", entry.short_src, entry.currentline, entry.name ? entry.name : "?");
+ depth++;
+ }
+ }
+
+
+ bool report_errors(int status) const
+ {
+ if ( status!=0 )
+ {
+ const char* s = lua_tostring(lua_state, -1);
+ LOGERROR("-- %s", s );
+ //lua_pop(lua_state, 1);
+ LOGERROR("Stack:");
+ lua_stacktrace( lua_state );
+ return true;
+ }
+ return false;
+ }
+
+ bool push_method(const char* name, lua_CFunction f) const {
+
+ if (!lua_state) return false;
+
+ lua_getref(lua_state, lua_instance);
+ lua_pushstring(lua_state, name);
+ //LOGINFO("1. push_method() Stack size: %i", lua_gettop( lua_state ) );
+ lua_gettable(lua_state, -2);
+ //LOGINFO("2. push_method() Stack size: %i", lua_gettop( lua_state ) );
+
+ if (lua_isnil(lua_state, -1)) {
+
+ // pop the table
+ lua_pop(lua_state, 2);
+ return false;
+
+ } else {
+
+ if (f) {
+ if (lua_iscfunction(lua_state, -1)) {
+ lua_pop(lua_state, 2);
+ return false;
+ };
+ /* // not for now
+ lua_pushcfunction(lua_state, f);
+ if (lua_rawequal(lua_state, -1, -2)) {
+
+ // avoid recursion, pop both functions and the table
+ lua_pop(lua_state, 3);
+ return false;
+ };
+
+ // pop f
+ lua_pop(lua_state, 1);
+ */
+ };
+
+ // swap table with function
+ lua_insert(lua_state, -2);
+ };
+
+ return true;
+ };
+
+ void dbcall(lua_State* L, int nargs, int nresults) const {
+
+ // using lua_call for now
+ int s = lua_pcall(L, nargs, nresults, 0);
+ report_errors( s );
+ };
+public:
+
+ int GetInstance() { return lua_instance; }
+ lua_State* GetLuaState() { return lua_state; }
+
+ void tolua__set_instance(lua_State* L, lua_Object lo) {
+
+ lua_state = L;
+
+ lua_pushvalue(L, lo);
+ lua_instance = lua_ref(lua_state, 1);
+ };
+
+ ToluaBase() {
+
+ lua_state = NULL;
+ };
+
+ ~ToluaBase() {
+
+ if (lua_state) {
+
+ lua_unref(lua_state, lua_instance);
+ };
+ };
+};
+
+#endif
+
+
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