cleaned up script wrapper and bindings
authorCharles McGarvey <chazmcgarvey@brokenzipper.com>
Wed, 13 Jul 2011 07:09:11 +0000 (01:09 -0600)
committerCharles McGarvey <chazmcgarvey@brokenzipper.com>
Wed, 13 Jul 2011 07:09:11 +0000 (01:09 -0600)
src/moof/mesh_bindings.cc
src/moof/script.hh

index 8c9f9e0c07aff424d717944ea3499b73edb19e1d..290b42aef012ab09a8e221a7756bfd700c5d2a7f 100644 (file)
@@ -31,14 +31,14 @@ static int mesh_new(script& script)
 
 static int mesh_draw(script& script)
 {
-       mesh_handle* mesh;
+       mesh_handle mesh;
        script[1].require_object<mesh_handle>("mesh").get(mesh);
 
        scalar alpha;
        if (script[2].get(alpha))
-               (*mesh)->draw(alpha);
+               mesh->draw(alpha);
        else
-               (*mesh)->draw();
+               mesh->draw();
 
        return 0;
 }
index ae582fcbe07f566005370383335e2bbbedf72911..0431f1afcebbe50e5942731074acef3ddf8e85f4 100644 (file)
@@ -127,54 +127,24 @@ public:
                        script_(const_cast<class script*>(&s)) {}
 
                // check the type of the value
-               bool is_boolean() const
-               {
-                       return (bool)lua_isboolean(script_->state_, index);
-               }
-               bool is_imported_function() const
-               {
-                       return (bool)lua_iscfunction(script_->state_, index);
-               }
-               bool is_function() const
-               {
-                       return (bool)lua_isfunction(script_->state_, index);
-               }
-               bool is_nil() const
-               {
-                       return (bool)lua_isnil(script_->state_, index);
-               }
-               bool is_none() const
-               {
-                       return (bool)lua_isnone(script_->state_, index);
-               }
-               bool is_none_or_nil() const
-               {
-                       return (bool)lua_isnoneornil(script_->state_, index);
-               }
-               bool is_number() const
-               {
-                       return (bool)lua_isnumber(script_->state_, index);
-               }
-               bool is_string() const
-               {
-                       return (bool)lua_isstring(script_->state_, index);
-               }
-               bool is_table() const
-               {
-                       return (bool)lua_istable(script_->state_, index);
-               }
-               bool is_thread() const
-               {
-                       return (bool)lua_isthread(script_->state_, index);
-               }
-               bool is_data() const
-               {
-                       return (bool)lua_isuserdata(script_->state_, index);
-               }
-               bool is_light_data() const
-               {
-                       return (bool)lua_islightuserdata(script_->state_, index);
-               }
+#define IS_TYPE(T, N) \
+               bool is_##N() const \
+               { \
+                       return (bool)lua_is##T(script_->state_, index); \
+               }//
+               IS_TYPE(boolean, boolean);
+               IS_TYPE(cfunction, imported_function);
+               IS_TYPE(function, function);
+               IS_TYPE(lightuserdata, light_data);
+               IS_TYPE(nil, nil);
+               IS_TYPE(none, none);
+               IS_TYPE(noneornil, none_or_nil);
+               IS_TYPE(number, number);
+               IS_TYPE(string, string);
+               IS_TYPE(table, table);
+               IS_TYPE(thread, thread);
+               IS_TYPE(userdata, data);
+#undef IS_TYPE
 
                /**
                 * Check the value and throw an error if its the wrong type.
@@ -185,54 +155,21 @@ public:
                        return *this;
                }
 
-               const slot&
-               require_boolean(const std::string& what = "boolean") const
-               {
-                       if (!is_boolean()) raise_type_error(what);
-                       return *this;
-               }
-               const slot&
-               require_number(const std::string& what = "number") const
-               {
-                       if (!is_number()) raise_type_error(what);
-                       return *this;
-               }
-               const slot&
-               require_string(const std::string& what = "string") const
-               {
-                       if (!is_string()) raise_type_error(what);
-                       return *this;
-               }
-               const slot&
-               require_table(const std::string& what = "table") const
-               {
-                       if (!is_table()) raise_type_error(what);
-                       return *this;
-               }
-               const slot&
-               require_function(const std::string& what = "function") const
-               {
-                       if (!is_function()) raise_type_error(what);
-                       return *this;
-               }
-               const slot&
-               require_data(const std::string& what = "userdata") const
-               {
-                       if (!is_data()) raise_type_error(what);
-                       return *this;
-               }
-               const slot&
-               require_nil(const std::string& what = "nil") const
-               {
-                       if (!is_nil()) raise_type_error(what);
-                       return *this;
-               }
-               const slot&
-               require_thread(const std::string& what = "thread") const
-               {
-                       if (!is_thread()) raise_type_error(what);
-                       return *this;
-               }
+#define REQUIRE_TYPE(T) \
+               const slot& require_##T(const std::string& what = #T) const \
+               { \
+                       if (!is_##T()) raise_type_error(what); \
+                       return *this; \
+               }//
+               REQUIRE_TYPE(boolean);
+               REQUIRE_TYPE(number);
+               REQUIRE_TYPE(string);
+               REQUIRE_TYPE(table);
+               REQUIRE_TYPE(function);
+               REQUIRE_TYPE(data);
+               REQUIRE_TYPE(nil);
+               REQUIRE_TYPE(thread);
+#undef REQUIRE_TYPE
 
                template <class T>
                const slot&
@@ -355,16 +292,28 @@ public:
                /**
                 * Convert the underlying value to a C++ type.
                 */
-               template <class T>
-               bool get(T& value) const
-               {
-                       if (is_number())
-                       {
-                               value = (T)lua_tointeger(script_->state_, index);
-                               return true;
-                       }
-                       return false;
-               }
+
+#define GET_INT_OF_TYPE(T) \
+               bool get(T& value) const \
+               { \
+                       if (is_number()) \
+                       { \
+                               value = static_cast<T>(lua_tointeger(script_->state_, index)); \
+                               return true; \
+                       } \
+                       return false; \
+               }//
+               GET_INT_OF_TYPE(char);
+               GET_INT_OF_TYPE(unsigned char);
+               GET_INT_OF_TYPE(short);
+               GET_INT_OF_TYPE(unsigned short);
+               GET_INT_OF_TYPE(int);
+               GET_INT_OF_TYPE(unsigned int);
+               GET_INT_OF_TYPE(long);
+               GET_INT_OF_TYPE(unsigned long);
+               GET_INT_OF_TYPE(long long);
+               GET_INT_OF_TYPE(unsigned long long);
+#undef GET_INT_OF_TYPE
 
                bool get(float& value) const
                {
@@ -404,7 +353,6 @@ public:
                        }
                        return false;
                }
-
                bool get(std::string& value) const
                {
                        const char*     str;
@@ -427,6 +375,16 @@ public:
                        }
                        return false;
                }
+               template <class T>
+               bool get(T& value) const
+               {
+                       if (is_data())
+                       {
+                               value = *reinterpret_cast<T*>(lua_touserdata(script_->state_, index));
+                               return true;
+                       }
+                       return false;
+               }
                void* get_data() const
                {
                        return lua_touserdata(script_->state_, index);
@@ -574,11 +532,8 @@ public:
                 */
                void pop()
                {
-                       if
-                               (index < 0) script_->pop(-index);
-                       else
-                               script_->pop(script_->stack_size() -
-                                               index + 1);
+                       if (index < 0) script_->pop(-index);
+                       else script_->pop(script_->stack_size() - index + 1);
                }
 
                /**
@@ -676,7 +631,7 @@ public:
 
                        std::ostringstream stream;
                        stream << "bad argument " << index << " to '" << func
-                                  << "' (" << message << ")";
+                              << "' (" << message << ")";
 
                        throw std::invalid_argument(stream.str());
                        return 0;
@@ -687,6 +642,7 @@ public:
                mutable class script* script_;
        };
 
+
        script() :
                state_(0)
        {
@@ -740,54 +696,22 @@ public:
                pop();
        }
 
-       void import_base_library()
-       {
-               push(luaopen_base);
-               push(LUA_COLIBNAME);
-               call(1, 0);
-       }
-       void import_package_library()
-       {
-               push(luaopen_package);
-               push(LUA_LOADLIBNAME);
-               call(1, 0);
-       }
-       void import_string_library()
-       {
-               push(luaopen_string);
-               push(LUA_STRLIBNAME);
-               call(1, 0);
-       }
-       void import_table_library()
-       {
-               push(luaopen_table);
-               push(LUA_TABLIBNAME);
-               call(1, 0);
-       }
-       void import_math_library()
-       {
-               push(luaopen_math);
-               push(LUA_MATHLIBNAME);
-               call(1, 0);
-       }
-       void import_io_library()
-       {
-               push(luaopen_io);
-               push(LUA_IOLIBNAME);
-               call(1, 0);
-       }
-       void import_os_library()
-       {
-               push(luaopen_os);
-               push(LUA_OSLIBNAME);
-               call(1, 0);
-       }
-       void import_debug_library()
-       {
-               push(luaopen_debug);
-               push(LUA_DBLIBNAME);
-               call(1, 0);
-       }
+#define IMPORT_LIBRARY(L, K) \
+       void import_##L##_library() \
+       { \
+               push(luaopen_##L); \
+               push(LUA_##K##LIBNAME); \
+               call(1, 0); \
+       }//
+       IMPORT_LIBRARY(base, CO);
+       IMPORT_LIBRARY(debug, DB);
+       IMPORT_LIBRARY(io, IO);
+       IMPORT_LIBRARY(math, MATH);
+       IMPORT_LIBRARY(os, OS);
+       IMPORT_LIBRARY(package, LOAD);
+       IMPORT_LIBRARY(string, STR);
+       IMPORT_LIBRARY(table, TAB);
+#undef IMPORT_LIBRARY
 
        void
        import_function(const std::string& name, const function& function)
@@ -937,56 +861,23 @@ public:
         * Push some values onto the stack.
         */
 
-       slot push(char value)
-       {
-               lua_pushinteger(state_, lua_Integer(value));
-               return top();
-       }
-       slot push(unsigned char value)
-       {
-               lua_pushinteger(state_, lua_Integer(value));
-               return top();
-       }
-       slot push(short value)
-       {
-               lua_pushinteger(state_, lua_Integer(value));
-               return top();
-       }
-       slot push(unsigned short value)
-       {
-               lua_pushinteger(state_, lua_Integer(value));
-               return top();
-       }
-       slot push(int value)
-       {
-               lua_pushinteger(state_, lua_Integer(value));
-               return top();
-       }
-       slot push(unsigned int value)
-       {
-               lua_pushinteger(state_, lua_Integer(value));
-               return top();
-       }
-       slot push(long value)
-       {
-               lua_pushinteger(state_, lua_Integer(value));
-               return top();
-       }
-       slot push(unsigned long value)
-       {
-               lua_pushinteger(state_, lua_Integer(value));
-               return top();
-       }
-       slot push(long long value)
-       {
-               lua_pushinteger(state_, lua_Integer(value));
-               return top();
-       }
-       slot push(unsigned long long value)
-       {
-               lua_pushinteger(state_, lua_Integer(value));
-               return top();
-       }
+#define PUSH_INT_OF_TYPE(T) \
+       slot push(T value) \
+       { \
+               lua_pushinteger(state_, static_cast<lua_Integer>(value)); \
+               return top(); \
+       }//
+       PUSH_INT_OF_TYPE(char);
+       PUSH_INT_OF_TYPE(unsigned char);
+       PUSH_INT_OF_TYPE(short);
+       PUSH_INT_OF_TYPE(unsigned short);
+       PUSH_INT_OF_TYPE(int);
+       PUSH_INT_OF_TYPE(unsigned int);
+       PUSH_INT_OF_TYPE(long);
+       PUSH_INT_OF_TYPE(unsigned long);
+       PUSH_INT_OF_TYPE(long long);
+       PUSH_INT_OF_TYPE(unsigned long long);
+#undef PUSH_INT_OF_TYPE
 
        slot push(bool value)
        {
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