311 lines
8.8 KiB
C++
311 lines
8.8 KiB
C++
//
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// php-armadillo/php_arma.hh
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//
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// @Author CismonX
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//
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#ifndef PHP_ARMA_HH
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#define PHP_ARMA_HH
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <php.h>
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#include <zend_exceptions.h>
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#include <type_traits>
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#define PHP_ARMA_VERSION "0.0.1"
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#if PHP_VERSION_ID >= 70400
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#define ZEND_ACC_CTOR 0
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#endif
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extern zend_module_entry arma_module_entry;
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/// Helper macros for method entry.
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#define Z_OBJNAME_P(zval_p) \
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ZSTR_VAL(Z_OBJCE_P(zval_p)->name)
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#define PHP_ARMA_START_ME_1(name, t1) \
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template <typename t1> \
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struct name##_me \
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{ \
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static constexpr zend_function_entry const val[] = {
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#define PHP_ARMA_END_ME_1(name, t1) \
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PHP_FE_END \
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}; \
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}; \
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template <typename t1> \
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constexpr zend_function_entry const name##_me<t1>::val[];
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#define PHP_ARMA_ME(cls, func, flags, ...) \
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ZEND_FENTRY(func, ZEND_MN(cls##_##func<__VA_ARGS__>), nullptr, flags)
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#define PHP_ARMA_METHODS(name, ...) \
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name##_me<__VA_ARGS__>::val
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/// Helper macros for class entry and object handlers
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#define PHP_ARMA_DECLARE_CE(name) \
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struct name##_components \
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{ \
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static zend_class_entry *ce; \
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}
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#define PHP_ARMA_DECLARE_CE_HANDLERS(name) \
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struct name##_components \
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{ \
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static zend_class_entry *ce; \
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static zend_object_handlers handlers; \
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}
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#define PHP_ARMA_DEFINE_CE(name, ...) \
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zend_class_entry *name##_components<__VA_ARGS__>::ce
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#define PHP_ARMA_DEFINE_OBJECT_HANDLER(name, ...) \
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zend_object_handlers name##_components<__VA_ARGS__>::handlers
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#define PHP_ARMA_CE(name, ...) \
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name##_components<__VA_ARGS__>::ce
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#define PHP_ARMA_HANDLERS(name, ...) \
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&name##_components<__VA_ARGS__>::handlers
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#define PHP_ARMA_HANDLER_SET(name, handler, func, ...) \
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(PHP_ARMA_HANDLERS(name, __VA_ARGS__))->handler = func<__VA_ARGS__>
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namespace php_arma
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{
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/// Helper functions for initializing class entry and object handlers.
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template <typename F>
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zend_class_entry *ce_init(const char *name, const zend_function_entry *methods, F init_func)
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{
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char full_name[30] = { "Arma\\" };
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strcat(full_name, name);
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zend_class_entry tmp_ce;
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INIT_CLASS_ENTRY_EX(tmp_ce, full_name, strlen(full_name), methods);
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return init_func(&tmp_ce);
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}
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template <typename F, typename... Ts>
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zend_class_entry *ce_init(const char *name, const zend_function_entry *methods, F init_func, Ts... parents)
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{
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auto ce = ce_init(name, methods, init_func);
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zend_class_implements(ce, sizeof...(Ts), parents...);
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return ce;
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}
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template <typename>
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zend_class_entry *class_register(const char *name, const zend_function_entry *methods)
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{
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return ce_init(name, methods, zend_register_internal_class);
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}
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template <typename... Ts>
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zend_class_entry *class_register(const char *name, const zend_function_entry *methods, Ts... interfaces)
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{
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return ce_init(name, methods, zend_register_internal_class, interfaces...);
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}
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template <typename>
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zend_class_entry *interface_register(const char *name)
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{
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// Although methods are declared in interfaces as you see in the stubs,
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// nothing is declared in the internal interface implementation.
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return ce_init(name, nullptr, zend_register_internal_class);
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}
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template <typename... Ts>
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zend_class_entry *interface_register(const char *name, Ts... parents)
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{
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return ce_init(name, nullptr, zend_register_internal_class, parents...);
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}
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zend_always_inline
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void const_declare(zend_class_entry *ce, const char *name, zend_long val)
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{
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zend_declare_class_constant_long(ce, name, strlen(name), val);
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}
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zend_always_inline
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void property_declare(zend_class_entry *ce, const char *name)
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{
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zend_declare_property_null(ce, name, strlen(name), ZEND_ACC_PUBLIC);
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}
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zend_always_inline
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void object_handlers_init(zend_object_handlers *handlers)
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{
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memcpy(handlers, &std_object_handlers, sizeof(zend_object_handlers));
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}
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template <typename T>
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zend_object *to_zend_object(T *obj)
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{
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return reinterpret_cast<zend_object*>(obj + 1);
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}
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template <typename T>
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T *to_native_object(zend_object *zobj)
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{
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return reinterpret_cast<T*>(zobj) - 1;
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}
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/// Helper functions for creating objects.
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template <typename T, typename F>
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zend_object *object_create(zend_class_entry *ce, F init)
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{
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auto obj = reinterpret_cast<T*>(ecalloc(1,
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sizeof(T) + sizeof(zend_object) + zend_object_properties_size(ce)));
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auto handlers = init(obj);
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auto zobj = to_zend_object(obj);
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zend_object_std_init(zobj, ce);
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zobj->handlers = handlers ? handlers : &std_object_handlers;
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return zobj;
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}
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zend_always_inline
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zend_object *object_create(zend_class_entry *ce, const zend_object_handlers *handlers = &std_object_handlers)
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{
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auto zobj = reinterpret_cast<zend_object*>(ecalloc(1,
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sizeof(zend_object) + zend_object_properties_size(ce)));
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zend_object_std_init(zobj, ce);
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object_properties_init(zobj, ce);
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zobj->handlers = handlers;
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return zobj;
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}
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/// Helper functions for handling scalar types.
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template <typename>
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struct false_type : std::false_type {};
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template <typename T>
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void assert_bad_type()
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{
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static_assert(false_type<T>::value, "Type should be zend_long, double or cx_double");
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}
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template <typename T>
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bool zval_is_scalar(zval *zv)
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{
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assert_bad_type<T>();
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}
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template <> zend_always_inline
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bool zval_is_scalar<double>(zval *zv)
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{
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return Z_TYPE_P(zv) == IS_DOUBLE;
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}
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template <> zend_always_inline
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bool zval_is_scalar<zend_long>(zval *zv)
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{
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return Z_TYPE_P(zv) == IS_LONG;
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}
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template <typename>
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struct scalar_type {};
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template <>
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struct scalar_type<double> {
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static const int value = IS_DOUBLE;
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};
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template <>
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struct scalar_type<zend_long> {
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static const int value = IS_LONG;
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};
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template <typename T>
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const char *scalar_type_name()
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{
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assert_bad_type<T>();
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}
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template <> zend_always_inline
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const char *scalar_type_name<double>()
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{
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return zend_get_type_by_const(IS_DOUBLE);
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}
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template <> zend_always_inline
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const char *scalar_type_name<zend_long>()
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{
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return zend_get_type_by_const(IS_LONG);
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}
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template <typename T>
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T zval_get_scalar(zval *zv)
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{
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assert_bad_type<T>();
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}
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template <> zend_always_inline
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double zval_get_scalar<double>(zval *zv)
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{
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return Z_DVAL_P(zv);
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}
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template <> zend_always_inline
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zend_long zval_get_scalar<zend_long>(zval *zv)
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{
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return Z_LVAL_P(zv);
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}
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zend_always_inline
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void zval_set_scalar(zval *zv, double val)
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{
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ZVAL_DOUBLE(zv, val);
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}
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zend_always_inline
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void zval_set_scalar(zval *zv, zend_long val)
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{
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ZVAL_LONG(zv, val);
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}
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zend_always_inline
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const char *zval_get_type_name(zval *zv)
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{
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if (Z_TYPE_P(zv) == IS_OBJECT) {
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return ZSTR_VAL(Z_OBJCE_P(zv)->name);
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} else {
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return zend_get_type_by_const(Z_TYPE_P(zv));
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}
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}
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/// Helper functions for throwing exceptions when errors occur.
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zend_always_inline
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void ex_bad_type(const char *expected, const char *got)
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{
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zend_throw_exception_ex(zend_ce_type_error, -1, "Bad type, expected %s, %s given.", expected, got);
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}
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template <typename T>
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bool zval_check_scalar(zval *zv)
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{
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if (!zval_is_scalar<T>(zv)) {
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ex_bad_type(scalar_type_name<T>(), zval_get_type_name(zv));
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return false;
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}
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return true;
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}
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zend_always_inline
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void object_set_property(zend_object *obj, size_t idx, zval *val)
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{
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zval_ptr_dtor(OBJ_PROP_NUM(obj, idx));
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ZVAL_COPY(OBJ_PROP_NUM(obj, idx), val);
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}
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}
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#endif // !PHP_ARMA_HH
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