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-rw-r--r--include/BLua.h751
1 files changed, 376 insertions, 375 deletions
diff --git a/include/BLua.h b/include/BLua.h
index a0daa59..52918ee 100644
--- a/include/BLua.h
+++ b/include/BLua.h
@@ -1,375 +1,376 @@
-/*
- * Baltisot
- * Copyright (C) 1999-2003 Nicolas "Pixel" Noble
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-/* $Id: BLua.h,v 1.17 2004-07-23 13:08:22 pixel Exp $ */
-
-#ifndef __BLUA_H__
-#define __BLUA_H__
-
-struct lua_State;
-
-extern "C" {
- void do_lua_lock(lua_State *);
- void do_lua_unlock(lua_State *);
-}
-
-#define lua_lock(L) do_lua_lock(L)
-#define lua_unlock(L) do_lua_unlock(L)
-
-#include <lua.h>
-#include <map>
-#include <Exceptions.h>
-#include <Handle.h>
-
-class Lua : public Base {
- public:
- Lua();
- Lua(const Lua &) throw (GeneralException);
- virtual ~Lua();
- void open_base();
- void open_table();
- void open_io();
- void open_string();
- void open_math();
- void open_debug();
- void declarefunc(const String &, lua_CFunction, int = LUA_GLOBALSINDEX);
- void call(const String &, int = LUA_GLOBALSINDEX, int = 0, int = 0);
- void call(int = 0, int = 0);
- void push();
- void push(lua_Number);
- void push(const String &);
- void push(bool);
- void push(char *, int size = -1);
- void push(void *);
- void push(lua_CFunction, int = 0);
- void pop(int = 1);
- void newtable();
- void * newuser(size_t);
- void settable(int = -3, bool raw = false);
- void gettable(int = -2, bool raw = false);
- void setvar();
- int gettop();
- void error(const String &);
- int type(int = -1);
- bool isnil(int = -1);
- bool isboolean(int = -1);
- bool isnumber(int = -1);
- bool isstring(int = -1);
- bool istable(int = -1);
- bool isfunction(int = -1);
- bool iscfunction(int = -1);
- bool isuserdata(int = -1);
- bool islightuserdata(int = -1);
- bool toboolean(int = -1);
- lua_Number tonumber(int = -1);
- String tostring(int = -1);
- lua_CFunction tocfunction(int = -1);
- void * touserdata(int = -1);
- Lua * tothread(int = -1);
- void load(Handle *, bool docall = true) throw (GeneralException);
- void dump(Handle *, bool strip = true);
- Lua * thread();
- int yield(int nargs = 0);
- int resume(int nresults = 0);
- static Lua * find(lua_State *) throw (GeneralException);
- void showerror();
- int getmetatable(int = -1);
- int setmetatable(int = -2);
- int sethook(lua_Hook func, int mask, int count);
-
- void do_break();
-
- virtual void lock() {}
- virtual void unlock() {}
- private:
- Lua(lua_State *);
- lua_State * L;
- static std::map<lua_State *, Lua *> lualist;
-};
-
-class LuaObject : public Base {
- public:
- LuaObject() : wantdestruct(false), pushed(false) {}
- virtual void push(Lua *) throw (GeneralException);
- static void * getme(Lua *, int = 1);
- void pushdestruct(Lua *) throw (GeneralException);
- protected:
- virtual void pushmembers(Lua *) = 0;
- void pushme(Lua *, void *, bool = true);
- static void pushit(Lua *, const String &, lua_CFunction);
- static void pushmeta(Lua *, const String &, lua_CFunction);
- bool wantdestruct, pushed;
-};
-
-class LuaException : public GeneralException {
- public:
- LuaException(String);
- protected:
- LuaException();
-};
-
-enum Lua_types_t {
- LUA_OBJECT = 0x01,
- LUA_TABLE = 0x02,
- LUA_BOOLEAN = 0x04,
- LUA_NUMBER = 0x08,
- LUA_STRING = 0x10,
- LUA_FUNCTION = 0x20,
- LUA_NIL = 0x40,
- LUA_ANY = 0x7f,
-};
-
-#define MAX_TYPE 7
-
-#define MAXARGS 32
-
-struct lua_functypes_t {
- int number;
- char * name;
- int minargs, maxargs;
- int argtypes[MAXARGS];
-};
-
-#define DECLARE_METHOD(classname, enumvar) static int method_##enumvar(lua_State * L) { \
- return LuaHelpers<classname>::method_multiplex( \
- enumvar, \
- L, \
- sLua_##classname::classname##_proceed, \
- 0, \
- classname##_methods, \
- true); \
- }
-
-#define DECLARE_FUNCTION(classname, enumvar) static int function_##enumvar(lua_State * L) { \
- return LuaHelpers<classname>::method_multiplex( \
- enumvar, \
- L, \
- 0, \
- sLua_##classname::classname##_proceed_statics, \
- classname##_functions, \
- false); \
- }
-
-#define PUSH_METHOD(classname, enumvar) pushit( \
- L, \
- classname##_methods[enumvar].name, \
- sLua_##classname::method_##enumvar)
-
-#define PUSH_METAMETHOD(classname, enumvar) pushmeta( \
- L, \
- String("__") + classname##_methods[enumvar].name, \
- sLua_##classname::method_##enumvar)
-
-#define PUSH_FUNCTION(classname, enumvar) L->declarefunc( \
- classname##_functions[enumvar].name, \
- sLua_##classname::function_##enumvar)
-
-
-#define CHECK_METHODS(classname) { \
- int i = 0; \
- while (classname##_methods[i].number != -1) { \
- if (i != classname##_methods[i].number) { \
- throw GeneralException("Datas of " #classname "_methods inconsistants!"); \
- } \
- i++; \
- } \
-}
-
-#define CHECK_FUNCTIONS(classname) { \
- int i = 0; \
- while (classname##_functions[i].number != -1) { \
- if (i != classname##_functions[i].number) { \
- throw GeneralException("Datas of " #classname "_functions inconsistants!"); \
- } \
- i++; \
- } \
-}
-
-#include <typeinfo>
-
-template <class T>
-class LuaHelpers : public Base {
- public:
- static int method_multiplex(int caller, lua_State * _L, int (*proceed)(Lua * L, int n, T * obj, int caller), int (*proceed_static)(Lua * L, int n, int caller), lua_functypes_t * tab, bool method) {
- Lua * L = Lua::find(_L);
- int add = method ? 1 : 0;
- int n = L->gettop() - add;
- T * obj = 0;
- int i, j, mask;
- bool invalid = false, arg_valid;
-
- if (method)
- obj = (T *) LuaObject::getme(L);
-
- if ((n < tab[caller].minargs) || (n > tab[caller].maxargs)) {
- invalid = true;
- } else {
- for (i = 0; i < tab[caller].maxargs && !invalid; i++) {
- if (n >= (i + 1)) {
- arg_valid = false;
- for (j = 0; j < MAX_TYPE && !arg_valid; j++) {
- mask = 1 << j;
- if (tab[caller].argtypes[i] & mask) {
- switch(mask) {
- case LUA_OBJECT:
- if (L->istable(i + 1 + add)) {
- L->push("__obj");
- L->gettable(i + 1 + add);
- arg_valid = L->isuserdata();
- L->pop();
- } else {
- arg_valid = L->isnil(i + 1 + add);
- }
- break;
- case LUA_TABLE:
- arg_valid = L->istable(i + 1 + add);
- break;
- case LUA_BOOLEAN:
- arg_valid = L->isboolean(i + 1 + add);
- break;
- case LUA_NUMBER:
- arg_valid = L->isnumber(i + 1 + add);
- break;
- case LUA_STRING:
- arg_valid = L->isstring(i + 1 + add);
- break;
- case LUA_FUNCTION:
- arg_valid = L->isfunction(i + 1 + add);
- break;
- case LUA_NIL:
- arg_valid = L->isnil(i + 1 + add);
- break;
- }
- }
- }
- invalid = !arg_valid;
- }
- }
- }
-
- if (invalid) {
- if (method) {
- L->error(String("Invalid arguments to method `") + typeid(T).name() + "::" + tab[caller].name + "'");
- } else {
- L->error(String("Invalid arguments to function `") + typeid(T).name() + "::" + tab[caller].name + "'");
- }
- }
-
- if (method) {
- return proceed(L, n, obj, caller);
- } else {
- return proceed_static(L, n, caller);
- }
- }
-};
-
-
- /*******************************\
-|** Let's have a sample of use **|
- \*******************************/
-
-#ifdef THIS_IS_A_SAMPLE_WHICH_DOES_NOT_COMPILE
-Luacdfile::Luacdfile(cdfile * h) : LuaHandle(h) { }
-
-enum cdfile_methods_t {
- CDFILE_XXX = 0,
- CDFILE_YYY
-};
-
-enum cdfile_functions_t {
- CDFILE_NEWCDFILE = 0,
-};
-
-struct lua_functypes_t cdutils_methods[] = {
- { CDFILE_XXX, "xxx", 1, 1, {LUA_OBJECT} },
- { CDFILE_YYY, "yyy", 0, 2, {LUA_NUMBER, LUA_NUMBER} },
- { -1, 0, 0, 0, 0 }
-};
-
-struct lua_functypes_t cdfile_functions[] = {
- { CDFILE_NEWCDFILE, "cdfile", 1, 4, {LUA_OBJECT, LUA_ANY, LUA_NUMBER, LUA_NUMBER} },
- { -1, 0, 0, 0, 0 }
-};
-
-class sLua_cdfile : public Base {
- public:
- static int newcdfile(lua_State * L);
- DECLARE_METHOD(cdfile, CDFILE_XXX);
- DECLARE_METHOD(cdfile, CDFILE_YYY);
- DECLARE_FUNCTION(cdfile, CDFILE_NEWCDFILE);
- private:
- static int cdfile_proceed(Lua * L, int n, cdfile * obj, int caller);
- static int cdfile_proceed_statics(Lua * L, int n, int caller);
-};
-
-void Luacdfile::pushmembers(Lua * L) {
- {
- LuaHandle::pushmembers(L);
- or
- pushme(L, SomeObject);
- }
- PUSH_METHOD(cdfile, CDFILE_XXX);
- PUSH_METHOD(cdfile, CDFILE_YYY);
-}
-
-void Luacdfile::pushstatics(Lua * L) {
- CHECK_METHODS(cdfile);
- CHECK_FUNCTIONS(cdfile);
-
- PUSH_FUNCTION(cdfile, CDFILE_NEWCDFILE);
-}
-
-int sLua_cdfile::cdfile_proceed(Lua * L, int n, cdfile * cdfile, int caller) {
- int r = 0;
- SomeObj * obj;
- int arg1 = DEFAULT1, arg2 = DEFAULT2;
-
- switch(caller) {
- case CDFILE_XXX:
- obj = (SomeObj *) LuaObject::getme(L, 2);
- cdfile->xxx(obj);
- break;
- case CDFILE_YYY:
- if (n >= 1)
- arg1 = L->tonumber(2);
- if (n >= 2)
- arg2 = L->tonumber(3);
- L->push((lua_Number) cdfile->yyy(arg1, arg2));
- r = 1;
- break;
- }
-
- return r;
-}
-
-int sLua_cdfile::cdfile_proceed_statics(Lua * L, int n, int caller) {
- int r = 0;
-
- switch(caller) {
- case CDFILE_NEWCDFILE:
- /****TODO****/
- break;
- }
-
- return r;
-}
-
-#endif
-
-#endif
+/*
+ * Baltisot
+ * Copyright (C) 1999-2003 Nicolas "Pixel" Noble
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/* $Id: BLua.h,v 1.18 2004-11-27 21:01:20 pixel Exp $ */
+
+#ifndef __BLUA_H__
+#define __BLUA_H__
+
+struct lua_State;
+
+extern "C" {
+ void do_lua_lock(lua_State *);
+ void do_lua_unlock(lua_State *);
+}
+
+#define lua_lock(L) do_lua_lock(L)
+#define lua_unlock(L) do_lua_unlock(L)
+
+#include <lua.h>
+#include <map>
+#include <Exceptions.h>
+#include <Handle.h>
+
+class Lua : public Base {
+ public:
+ Lua();
+ Lua(const Lua &) throw (GeneralException);
+ virtual ~Lua();
+ void open_base();
+ void open_table();
+ void open_io();
+ void open_string();
+ void open_math();
+ void open_debug();
+ void open_dir();
+ void declarefunc(const String &, lua_CFunction, int = LUA_GLOBALSINDEX);
+ void call(const String &, int = LUA_GLOBALSINDEX, int = 0, int = 0);
+ void call(int = 0, int = 0);
+ void push();
+ void push(lua_Number);
+ void push(const String &);
+ void push(bool);
+ void push(char *, int size = -1);
+ void push(void *);
+ void push(lua_CFunction, int = 0);
+ void pop(int = 1);
+ void newtable();
+ void * newuser(size_t);
+ void settable(int = -3, bool raw = false);
+ void gettable(int = -2, bool raw = false);
+ void setvar();
+ int gettop();
+ void error(const String &);
+ int type(int = -1);
+ bool isnil(int = -1);
+ bool isboolean(int = -1);
+ bool isnumber(int = -1);
+ bool isstring(int = -1);
+ bool istable(int = -1);
+ bool isfunction(int = -1);
+ bool iscfunction(int = -1);
+ bool isuserdata(int = -1);
+ bool islightuserdata(int = -1);
+ bool toboolean(int = -1);
+ lua_Number tonumber(int = -1);
+ String tostring(int = -1);
+ lua_CFunction tocfunction(int = -1);
+ void * touserdata(int = -1);
+ Lua * tothread(int = -1);
+ void load(Handle *, bool docall = true) throw (GeneralException);
+ void dump(Handle *, bool strip = true);
+ Lua * thread();
+ int yield(int nargs = 0);
+ int resume(int nresults = 0);
+ static Lua * find(lua_State *) throw (GeneralException);
+ void showerror();
+ int getmetatable(int = -1);
+ int setmetatable(int = -2);
+ int sethook(lua_Hook func, int mask, int count);
+
+ void do_break();
+
+ virtual void lock() {}
+ virtual void unlock() {}
+ private:
+ Lua(lua_State *);
+ lua_State * L;
+ static std::map<lua_State *, Lua *> lualist;
+};
+
+class LuaObject : public Base {
+ public:
+ LuaObject() : wantdestruct(false), pushed(false) {}
+ virtual void push(Lua *) throw (GeneralException);
+ static void * getme(Lua *, int = 1);
+ void pushdestruct(Lua *) throw (GeneralException);
+ protected:
+ virtual void pushmembers(Lua *) = 0;
+ void pushme(Lua *, void *, bool = true);
+ static void pushit(Lua *, const String &, lua_CFunction);
+ static void pushmeta(Lua *, const String &, lua_CFunction);
+ bool wantdestruct, pushed;
+};
+
+class LuaException : public GeneralException {
+ public:
+ LuaException(String);
+ protected:
+ LuaException();
+};
+
+enum Lua_types_t {
+ LUA_OBJECT = 0x01,
+ LUA_TABLE = 0x02,
+ LUA_BOOLEAN = 0x04,
+ LUA_NUMBER = 0x08,
+ LUA_STRING = 0x10,
+ LUA_FUNCTION = 0x20,
+ LUA_NIL = 0x40,
+ LUA_ANY = 0x7f,
+};
+
+#define MAX_TYPE 7
+
+#define MAXARGS 32
+
+struct lua_functypes_t {
+ int number;
+ char * name;
+ int minargs, maxargs;
+ int argtypes[MAXARGS];
+};
+
+#define DECLARE_METHOD(classname, enumvar) static int method_##enumvar(lua_State * L) { \
+ return LuaHelpers<classname>::method_multiplex( \
+ enumvar, \
+ L, \
+ sLua_##classname::classname##_proceed, \
+ 0, \
+ classname##_methods, \
+ true); \
+ }
+
+#define DECLARE_FUNCTION(classname, enumvar) static int function_##enumvar(lua_State * L) { \
+ return LuaHelpers<classname>::method_multiplex( \
+ enumvar, \
+ L, \
+ 0, \
+ sLua_##classname::classname##_proceed_statics, \
+ classname##_functions, \
+ false); \
+ }
+
+#define PUSH_METHOD(classname, enumvar) pushit( \
+ L, \
+ classname##_methods[enumvar].name, \
+ sLua_##classname::method_##enumvar)
+
+#define PUSH_METAMETHOD(classname, enumvar) pushmeta( \
+ L, \
+ String("__") + classname##_methods[enumvar].name, \
+ sLua_##classname::method_##enumvar)
+
+#define PUSH_FUNCTION(classname, enumvar) L->declarefunc( \
+ classname##_functions[enumvar].name, \
+ sLua_##classname::function_##enumvar)
+
+
+#define CHECK_METHODS(classname) { \
+ int i = 0; \
+ while (classname##_methods[i].number != -1) { \
+ if (i != classname##_methods[i].number) { \
+ throw GeneralException("Datas of " #classname "_methods inconsistants!"); \
+ } \
+ i++; \
+ } \
+}
+
+#define CHECK_FUNCTIONS(classname) { \
+ int i = 0; \
+ while (classname##_functions[i].number != -1) { \
+ if (i != classname##_functions[i].number) { \
+ throw GeneralException("Datas of " #classname "_functions inconsistants!"); \
+ } \
+ i++; \
+ } \
+}
+
+#include <typeinfo>
+
+template <class T>
+class LuaHelpers : public Base {
+ public:
+ static int method_multiplex(int caller, lua_State * _L, int (*proceed)(Lua * L, int n, T * obj, int caller), int (*proceed_static)(Lua * L, int n, int caller), lua_functypes_t * tab, bool method) {
+ Lua * L = Lua::find(_L);
+ int add = method ? 1 : 0;
+ int n = L->gettop() - add;
+ T * obj = 0;
+ int i, j, mask;
+ bool invalid = false, arg_valid;
+
+ if (method)
+ obj = (T *) LuaObject::getme(L);
+
+ if ((n < tab[caller].minargs) || (n > tab[caller].maxargs)) {
+ invalid = true;
+ } else {
+ for (i = 0; i < tab[caller].maxargs && !invalid; i++) {
+ if (n >= (i + 1)) {
+ arg_valid = false;
+ for (j = 0; j < MAX_TYPE && !arg_valid; j++) {
+ mask = 1 << j;
+ if (tab[caller].argtypes[i] & mask) {
+ switch(mask) {
+ case LUA_OBJECT:
+ if (L->istable(i + 1 + add)) {
+ L->push("__obj");
+ L->gettable(i + 1 + add);
+ arg_valid = L->isuserdata();
+ L->pop();
+ } else {
+ arg_valid = L->isnil(i + 1 + add);
+ }
+ break;
+ case LUA_TABLE:
+ arg_valid = L->istable(i + 1 + add);
+ break;
+ case LUA_BOOLEAN:
+ arg_valid = L->isboolean(i + 1 + add);
+ break;
+ case LUA_NUMBER:
+ arg_valid = L->isnumber(i + 1 + add);
+ break;
+ case LUA_STRING:
+ arg_valid = L->isstring(i + 1 + add);
+ break;
+ case LUA_FUNCTION:
+ arg_valid = L->isfunction(i + 1 + add);
+ break;
+ case LUA_NIL:
+ arg_valid = L->isnil(i + 1 + add);
+ break;
+ }
+ }
+ }
+ invalid = !arg_valid;
+ }
+ }
+ }
+
+ if (invalid) {
+ if (method) {
+ L->error(String("Invalid arguments to method `") + typeid(T).name() + "::" + tab[caller].name + "'");
+ } else {
+ L->error(String("Invalid arguments to function `") + typeid(T).name() + "::" + tab[caller].name + "'");
+ }
+ }
+
+ if (method) {
+ return proceed(L, n, obj, caller);
+ } else {
+ return proceed_static(L, n, caller);
+ }
+ }
+};
+
+
+ /*******************************\
+|** Let's have a sample of use **|
+ \*******************************/
+
+#ifdef THIS_IS_A_SAMPLE_WHICH_DOES_NOT_COMPILE
+Luacdfile::Luacdfile(cdfile * h) : LuaHandle(h) { }
+
+enum cdfile_methods_t {
+ CDFILE_XXX = 0,
+ CDFILE_YYY
+};
+
+enum cdfile_functions_t {
+ CDFILE_NEWCDFILE = 0,
+};
+
+struct lua_functypes_t cdutils_methods[] = {
+ { CDFILE_XXX, "xxx", 1, 1, {LUA_OBJECT} },
+ { CDFILE_YYY, "yyy", 0, 2, {LUA_NUMBER, LUA_NUMBER} },
+ { -1, 0, 0, 0, 0 }
+};
+
+struct lua_functypes_t cdfile_functions[] = {
+ { CDFILE_NEWCDFILE, "cdfile", 1, 4, {LUA_OBJECT, LUA_ANY, LUA_NUMBER, LUA_NUMBER} },
+ { -1, 0, 0, 0, 0 }
+};
+
+class sLua_cdfile : public Base {
+ public:
+ static int newcdfile(lua_State * L);
+ DECLARE_METHOD(cdfile, CDFILE_XXX);
+ DECLARE_METHOD(cdfile, CDFILE_YYY);
+ DECLARE_FUNCTION(cdfile, CDFILE_NEWCDFILE);
+ private:
+ static int cdfile_proceed(Lua * L, int n, cdfile * obj, int caller);
+ static int cdfile_proceed_statics(Lua * L, int n, int caller);
+};
+
+void Luacdfile::pushmembers(Lua * L) {
+ {
+ LuaHandle::pushmembers(L);
+ or
+ pushme(L, SomeObject);
+ }
+ PUSH_METHOD(cdfile, CDFILE_XXX);
+ PUSH_METHOD(cdfile, CDFILE_YYY);
+}
+
+void Luacdfile::pushstatics(Lua * L) {
+ CHECK_METHODS(cdfile);
+ CHECK_FUNCTIONS(cdfile);
+
+ PUSH_FUNCTION(cdfile, CDFILE_NEWCDFILE);
+}
+
+int sLua_cdfile::cdfile_proceed(Lua * L, int n, cdfile * cdfile, int caller) {
+ int r = 0;
+ SomeObj * obj;
+ int arg1 = DEFAULT1, arg2 = DEFAULT2;
+
+ switch(caller) {
+ case CDFILE_XXX:
+ obj = (SomeObj *) LuaObject::getme(L, 2);
+ cdfile->xxx(obj);
+ break;
+ case CDFILE_YYY:
+ if (n >= 1)
+ arg1 = L->tonumber(2);
+ if (n >= 2)
+ arg2 = L->tonumber(3);
+ L->push((lua_Number) cdfile->yyy(arg1, arg2));
+ r = 1;
+ break;
+ }
+
+ return r;
+}
+
+int sLua_cdfile::cdfile_proceed_statics(Lua * L, int n, int caller) {
+ int r = 0;
+
+ switch(caller) {
+ case CDFILE_NEWCDFILE:
+ /****TODO****/
+ break;
+ }
+
+ return r;
+}
+
+#endif
+
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 16:53:56 +0000