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File: ext/kernel/main.c

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File: ext/kernel/main.c
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Description: Auxiliary data
Class: Phady Framework
Web application MVC framework based on Phalcon
Author: By
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Date: 7 years ago
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/* +------------------------------------------------------------------------+ | Zephir Language | +------------------------------------------------------------------------+ | Copyright (c) 2011-2015 Zephir Team (http://www.zephir-lang.com) | +------------------------------------------------------------------------+ | This source file is subject to the New BSD License that is bundled | | with this package in the file docs/LICENSE.txt. | | | | If you did not receive a copy of the license and are unable to | | obtain it through the world-wide-web, please send an email | | to license@zephir-lang.com so we can send you a copy immediately. | +------------------------------------------------------------------------+ | Authors: Andres Gutierrez <andres@zephir-lang.com> | | Eduar Carvajal <eduar@zephir-lang.com> | +------------------------------------------------------------------------+ */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "php.h" #include "php_ext.h" #include "php_main.h" #include "ext/spl/spl_exceptions.h" #include "kernel/main.h" #include "kernel/memory.h" #include "kernel/fcall.h" #include "kernel/exception.h" #include "Zend/zend_exceptions.h" #include "Zend/zend_interfaces.h" /** * Initializes internal interface with extends */ zend_class_entry *zephir_register_internal_interface_ex(zend_class_entry *orig_ce, zend_class_entry *parent_ce TSRMLS_DC) { zend_class_entry *ce; ce = zend_register_internal_interface(orig_ce TSRMLS_CC); if (parent_ce) { zend_do_inheritance(ce, parent_ce TSRMLS_CC); } return ce; } /** * Initilializes super global variables if doesn't */ int zephir_init_global(char *global, unsigned int global_length TSRMLS_DC) { #if PHP_VERSION_ID < 50400 zend_bool jit_initialization = (PG(auto_globals_jit) && !PG(register_globals) && !PG(register_long_arrays)); if (jit_initialization) { return zend_is_auto_global(global, global_length - 1 TSRMLS_CC); } #else if (PG(auto_globals_jit)) { return zend_is_auto_global(global, global_length - 1 TSRMLS_CC); } #endif return SUCCESS; } /** * Gets the global zval into PG macro */ int zephir_get_global(zval **arr, const char *global, unsigned int global_length TSRMLS_DC) { zval **gv; zend_bool jit_initialization = PG(auto_globals_jit); if (jit_initialization) { zend_is_auto_global(global, global_length - 1 TSRMLS_CC); } if (&EG(symbol_table)) { if (zend_hash_find(&EG(symbol_table), global, global_length, (void **) &gv) == SUCCESS) { if (Z_TYPE_PP(gv) == IS_ARRAY) { *arr = *gv; if (!*arr) { ZEPHIR_INIT_VAR(*arr); array_init(*arr); } } else { ZEPHIR_INIT_VAR(*arr); array_init(*arr); } return SUCCESS; } } ZEPHIR_INIT_VAR(*arr); array_init(*arr); return SUCCESS; } /** * Makes fast count on implicit array types */ void zephir_fast_count(zval *result, zval *value TSRMLS_DC) { if (Z_TYPE_P(value) == IS_ARRAY) { ZVAL_LONG(result, zend_hash_num_elements(Z_ARRVAL_P(value))); return; } if (Z_TYPE_P(value) == IS_OBJECT) { #ifdef HAVE_SPL zval *retval = NULL; #endif if (Z_OBJ_HT_P(value)->count_elements) { ZVAL_LONG(result, 1); if (SUCCESS == Z_OBJ_HT(*value)->count_elements(value, &Z_LVAL_P(result) TSRMLS_CC)) { return; } } #ifdef HAVE_SPL if (Z_OBJ_HT_P(value)->get_class_entry && instanceof_function(Z_OBJCE_P(value), spl_ce_Countable TSRMLS_CC)) { zend_call_method_with_0_params(&value, NULL, NULL, "count", &retval); if (retval) { convert_to_long_ex(&retval); ZVAL_LONG(result, Z_LVAL_P(retval)); zval_ptr_dtor(&retval); } return; } #endif ZVAL_LONG(result, 0); return; } if (Z_TYPE_P(value) == IS_NULL) { ZVAL_LONG(result, 0); return; } ZVAL_LONG(result, 1); } /** * Makes fast count on implicit array types without creating a return zval value */ int zephir_fast_count_ev(zval *value TSRMLS_DC) { long count = 0; if (Z_TYPE_P(value) == IS_ARRAY) { return zend_hash_num_elements(Z_ARRVAL_P(value)) > 0; } if (Z_TYPE_P(value) == IS_OBJECT) { #ifdef HAVE_SPL zval *retval = NULL; #endif if (Z_OBJ_HT_P(value)->count_elements) { Z_OBJ_HT(*value)->count_elements(value, &count TSRMLS_CC); return (int) count > 0; } #ifdef HAVE_SPL if (Z_OBJ_HT_P(value)->get_class_entry && instanceof_function(Z_OBJCE_P(value), spl_ce_Countable TSRMLS_CC)) { zend_call_method_with_0_params(&value, NULL, NULL, "count", &retval); if (retval) { convert_to_long_ex(&retval); count = Z_LVAL_P(retval); zval_ptr_dtor(&retval); return (int) count > 0; } return 0; } #endif return 0; } if (Z_TYPE_P(value) == IS_NULL) { return 0; } return 1; } /** * Makes fast count on implicit array types without creating a return zval value */ int zephir_fast_count_int(zval *value TSRMLS_DC) { long count = 0; if (Z_TYPE_P(value) == IS_ARRAY) { return zend_hash_num_elements(Z_ARRVAL_P(value)); } if (Z_TYPE_P(value) == IS_OBJECT) { #ifdef HAVE_SPL zval *retval = NULL; #endif if (Z_OBJ_HT_P(value)->count_elements) { Z_OBJ_HT(*value)->count_elements(value, &count TSRMLS_CC); return (int) count; } #ifdef HAVE_SPL if (Z_OBJ_HT_P(value)->get_class_entry && instanceof_function(Z_OBJCE_P(value), spl_ce_Countable TSRMLS_CC)) { zend_call_method_with_0_params(&value, NULL, NULL, "count", &retval); if (retval) { convert_to_long_ex(&retval); count = Z_LVAL_P(retval); zval_ptr_dtor(&retval); return (int) count; } return 0; } #endif return 0; } if (Z_TYPE_P(value) == IS_NULL) { return 0; } return 1; } /** * Check if a function exists */ int zephir_function_exists(const zval *function_name TSRMLS_DC) { return zephir_function_quick_exists_ex( Z_STRVAL_P(function_name), Z_STRLEN_P(function_name) + 1, zend_inline_hash_func(Z_STRVAL_P(function_name), Z_STRLEN_P(function_name) + 1) TSRMLS_CC ); } /** * Check if a function exists using explicit char param * * @param function_name * @param function_len strlen(function_name)+1 */ int zephir_function_exists_ex(const char *function_name, unsigned int function_len TSRMLS_DC) { return zephir_function_quick_exists_ex(function_name, function_len, zend_inline_hash_func(function_name, function_len) TSRMLS_CC); } /** * Check if a function exists using explicit char param (using precomputed hash key) */ int zephir_function_quick_exists_ex(const char *method_name, unsigned int method_len, unsigned long key TSRMLS_DC) { if (zend_hash_quick_exists(CG(function_table), method_name, method_len, key)) { return SUCCESS; } return FAILURE; } /** * Checks if a zval is callable */ int zephir_is_callable(zval *var TSRMLS_DC) { char *error = NULL; zend_bool retval; retval = zend_is_callable_ex(var, NULL, 0, NULL, NULL, NULL, &error TSRMLS_CC); if (error) { efree(error); } return (int) retval; } int zephir_is_scalar(zval *var) { switch (Z_TYPE_P(var)) { case IS_BOOL: case IS_DOUBLE: case IS_LONG: case IS_STRING: return 1; break; } return 0; } /** * Initialize an array to start an iteration over it */ int zephir_is_iterable_ex(zval *arr, HashTable **arr_hash, HashPosition *hash_position, int duplicate, int reverse) { if (unlikely(Z_TYPE_P(arr) != IS_ARRAY)) { return 0; } if (duplicate) { ALLOC_HASHTABLE(*arr_hash); zend_hash_init(*arr_hash, 0, NULL, NULL, 0); zend_hash_copy(*arr_hash, Z_ARRVAL_P(arr), NULL, NULL, sizeof(zval*)); } else { *arr_hash = Z_ARRVAL_P(arr); } if (reverse) { if (hash_position) { *hash_position = (*arr_hash)->pListTail; } else { (*arr_hash)->pInternalPointer = (*arr_hash)->pListTail; } } else { if (hash_position) { *hash_position = (*arr_hash)->pListHead; } else { (*arr_hash)->pInternalPointer = (*arr_hash)->pListHead; } } return 1; } void zephir_safe_zval_ptr_dtor(zval *pzval) { if (pzval) { zval_ptr_dtor(&pzval); } } /** * Parses method parameters with minimum overhead */ int zephir_fetch_parameters(int num_args TSRMLS_DC, int required_args, int optional_args, ...) { va_list va; int arg_count = (int) (zend_uintptr_t) *(zend_vm_stack_top(TSRMLS_C) - 1); zval **arg, **p; int i; if (num_args < required_args || (num_args > (required_args + optional_args))) { zephir_throw_exception_string(spl_ce_BadMethodCallException, SL("Wrong number of parameters") TSRMLS_CC); return FAILURE; } if (num_args > arg_count) { zephir_throw_exception_string(spl_ce_BadMethodCallException, SL("Could not obtain parameters for parsing") TSRMLS_CC); return FAILURE; } if (!num_args) { return SUCCESS; } va_start(va, optional_args); i = 0; while (num_args-- > 0) { arg = (zval **) (zend_vm_stack_top(TSRMLS_C) - 1 - (arg_count - i)); p = va_arg(va, zval **); *p = *arg; i++; } va_end(va); return SUCCESS; } /** * Returns the type of a variable as a string */ void zephir_gettype(zval *return_value, zval *arg TSRMLS_DC) { switch (Z_TYPE_P(arg)) { case IS_NULL: RETVAL_STRING("NULL", 1); break; case IS_BOOL: RETVAL_STRING("boolean", 1); break; case IS_LONG: RETVAL_STRING("integer", 1); break; case IS_DOUBLE: RETVAL_STRING("double", 1); break; case IS_STRING: RETVAL_STRING("string", 1); break; case IS_ARRAY: RETVAL_STRING("array", 1); break; case IS_OBJECT: RETVAL_STRING("object", 1); break; case IS_RESOURCE: { const char *type_name = zend_rsrc_list_get_rsrc_type(Z_LVAL_P(arg) TSRMLS_CC); if (type_name) { RETVAL_STRING("resource", 1); break; } } default: RETVAL_STRING("unknown type", 1); } } zend_class_entry* zephir_get_internal_ce(const char *class_name, unsigned int class_name_len TSRMLS_DC) { zend_class_entry** temp_ce; if (zend_hash_find(CG(class_table), class_name, class_name_len, (void **)&temp_ce) == FAILURE) { zend_error(E_ERROR, "Class '%s' not found", class_name); return NULL; } return *temp_ce; }