php-src/ext/standard/assert.c
2014-01-03 11:06:16 +08:00

348 lines
9.3 KiB
C

/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2014 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Thies C. Arntzen <thies@thieso.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
/* {{{ includes */
#include "php.h"
#include "php_assert.h"
#include "php_ini.h"
/* }}} */
ZEND_BEGIN_MODULE_GLOBALS(assert)
long active;
long bail;
long warning;
long quiet_eval;
zval *callback;
char *cb;
ZEND_END_MODULE_GLOBALS(assert)
ZEND_DECLARE_MODULE_GLOBALS(assert)
#ifdef ZTS
#define ASSERTG(v) TSRMG(assert_globals_id, zend_assert_globals *, v)
#else
#define ASSERTG(v) (assert_globals.v)
#endif
#define SAFE_STRING(s) ((s)?(s):"")
enum {
ASSERT_ACTIVE=1,
ASSERT_CALLBACK,
ASSERT_BAIL,
ASSERT_WARNING,
ASSERT_QUIET_EVAL
};
static PHP_INI_MH(OnChangeCallback) /* {{{ */
{
if (EG(in_execution)) {
if (ASSERTG(callback)) {
zval_ptr_dtor(&ASSERTG(callback));
ASSERTG(callback) = NULL;
}
if (new_value && (ASSERTG(callback) || new_value_length)) {
MAKE_STD_ZVAL(ASSERTG(callback));
ZVAL_STRINGL(ASSERTG(callback), new_value, new_value_length, 1);
}
} else {
if (ASSERTG(cb)) {
pefree(ASSERTG(cb), 1);
}
if (new_value && new_value_length) {
ASSERTG(cb) = pemalloc(new_value_length + 1, 1);
memcpy(ASSERTG(cb), new_value, new_value_length);
ASSERTG(cb)[new_value_length] = '\0';
} else {
ASSERTG(cb) = NULL;
}
}
return SUCCESS;
}
/* }}} */
PHP_INI_BEGIN()
STD_PHP_INI_ENTRY("assert.active", "1", PHP_INI_ALL, OnUpdateLong, active, zend_assert_globals, assert_globals)
STD_PHP_INI_ENTRY("assert.bail", "0", PHP_INI_ALL, OnUpdateLong, bail, zend_assert_globals, assert_globals)
STD_PHP_INI_ENTRY("assert.warning", "1", PHP_INI_ALL, OnUpdateLong, warning, zend_assert_globals, assert_globals)
PHP_INI_ENTRY("assert.callback", NULL, PHP_INI_ALL, OnChangeCallback)
STD_PHP_INI_ENTRY("assert.quiet_eval", "0", PHP_INI_ALL, OnUpdateLong, quiet_eval, zend_assert_globals, assert_globals)
PHP_INI_END()
static void php_assert_init_globals(zend_assert_globals *assert_globals_p TSRMLS_DC) /* {{{ */
{
assert_globals_p->callback = NULL;
assert_globals_p->cb = NULL;
}
/* }}} */
PHP_MINIT_FUNCTION(assert) /* {{{ */
{
ZEND_INIT_MODULE_GLOBALS(assert, php_assert_init_globals, NULL);
REGISTER_INI_ENTRIES();
REGISTER_LONG_CONSTANT("ASSERT_ACTIVE", ASSERT_ACTIVE, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("ASSERT_CALLBACK", ASSERT_CALLBACK, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("ASSERT_BAIL", ASSERT_BAIL, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("ASSERT_WARNING", ASSERT_WARNING, CONST_CS|CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("ASSERT_QUIET_EVAL", ASSERT_QUIET_EVAL, CONST_CS|CONST_PERSISTENT);
return SUCCESS;
}
/* }}} */
PHP_MSHUTDOWN_FUNCTION(assert) /* {{{ */
{
if (ASSERTG(cb)) {
pefree(ASSERTG(cb), 1);
ASSERTG(cb) = NULL;
}
return SUCCESS;
}
/* }}} */
PHP_RSHUTDOWN_FUNCTION(assert) /* {{{ */
{
if (ASSERTG(callback)) {
zval_ptr_dtor(&ASSERTG(callback));
ASSERTG(callback) = NULL;
}
return SUCCESS;
}
/* }}} */
PHP_MINFO_FUNCTION(assert) /* {{{ */
{
DISPLAY_INI_ENTRIES();
}
/* }}} */
/* {{{ proto int assert(string|bool assertion[, string description])
Checks if assertion is false */
PHP_FUNCTION(assert)
{
zval **assertion;
int val, description_len = 0;
char *myeval = NULL;
char *compiled_string_description, *description = NULL;
if (! ASSERTG(active)) {
RETURN_TRUE;
}
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Z|s", &assertion, &description, &description_len) == FAILURE) {
return;
}
if (Z_TYPE_PP(assertion) == IS_STRING) {
zval retval;
int old_error_reporting = 0; /* shut up gcc! */
myeval = Z_STRVAL_PP(assertion);
if (ASSERTG(quiet_eval)) {
old_error_reporting = EG(error_reporting);
EG(error_reporting) = 0;
}
compiled_string_description = zend_make_compiled_string_description("assert code" TSRMLS_CC);
if (zend_eval_stringl(myeval, Z_STRLEN_PP(assertion), &retval, compiled_string_description TSRMLS_CC) == FAILURE) {
efree(compiled_string_description);
if (description_len == 0) {
php_error_docref(NULL TSRMLS_CC, E_RECOVERABLE_ERROR, "Failure evaluating code: %s%s", PHP_EOL, myeval);
} else {
php_error_docref(NULL TSRMLS_CC, E_RECOVERABLE_ERROR, "Failure evaluating code: %s%s:\"%s\"", PHP_EOL, description, myeval);
}
if (ASSERTG(bail)) {
zend_bailout();
}
RETURN_FALSE;
}
efree(compiled_string_description);
if (ASSERTG(quiet_eval)) {
EG(error_reporting) = old_error_reporting;
}
convert_to_boolean(&retval);
val = Z_LVAL(retval);
} else {
convert_to_boolean_ex(assertion);
val = Z_LVAL_PP(assertion);
}
if (val) {
RETURN_TRUE;
}
if (!ASSERTG(callback) && ASSERTG(cb)) {
MAKE_STD_ZVAL(ASSERTG(callback));
ZVAL_STRING(ASSERTG(callback), ASSERTG(cb), 1);
}
if (ASSERTG(callback)) {
zval **args = safe_emalloc(description_len == 0 ? 3 : 4, sizeof(zval **), 0);
zval *retval;
int i;
uint lineno = zend_get_executed_lineno(TSRMLS_C);
const char *filename = zend_get_executed_filename(TSRMLS_C);
MAKE_STD_ZVAL(args[0]);
MAKE_STD_ZVAL(args[1]);
MAKE_STD_ZVAL(args[2]);
ZVAL_STRING(args[0], SAFE_STRING(filename), 1);
ZVAL_LONG (args[1], lineno);
ZVAL_STRING(args[2], SAFE_STRING(myeval), 1);
MAKE_STD_ZVAL(retval);
ZVAL_FALSE(retval);
/* XXX do we want to check for error here? */
if (description_len == 0) {
call_user_function(CG(function_table), NULL, ASSERTG(callback), retval, 3, args TSRMLS_CC);
for (i = 0; i <= 2; i++) {
zval_ptr_dtor(&(args[i]));
}
} else {
MAKE_STD_ZVAL(args[3]);
ZVAL_STRINGL(args[3], SAFE_STRING(description), description_len, 1);
call_user_function(CG(function_table), NULL, ASSERTG(callback), retval, 4, args TSRMLS_CC);
for (i = 0; i <= 3; i++) {
zval_ptr_dtor(&(args[i]));
}
}
efree(args);
zval_ptr_dtor(&retval);
}
if (ASSERTG(warning)) {
if (description_len == 0) {
if (myeval) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Assertion \"%s\" failed", myeval);
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Assertion failed");
}
} else {
if (myeval) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s: \"%s\" failed", description, myeval);
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s failed", description);
}
}
}
if (ASSERTG(bail)) {
zend_bailout();
}
}
/* }}} */
/* {{{ proto mixed assert_options(int what [, mixed value])
Set/get the various assert flags */
PHP_FUNCTION(assert_options)
{
zval **value = NULL;
long what;
int oldint;
int ac = ZEND_NUM_ARGS();
if (zend_parse_parameters(ac TSRMLS_CC, "l|Z", &what, &value) == FAILURE) {
return;
}
switch (what) {
case ASSERT_ACTIVE:
oldint = ASSERTG(active);
if (ac == 2) {
convert_to_string_ex(value);
zend_alter_ini_entry_ex("assert.active", sizeof("assert.active"), Z_STRVAL_PP(value), Z_STRLEN_PP(value), PHP_INI_USER, PHP_INI_STAGE_RUNTIME, 0 TSRMLS_CC);
}
RETURN_LONG(oldint);
break;
case ASSERT_BAIL:
oldint = ASSERTG(bail);
if (ac == 2) {
convert_to_string_ex(value);
zend_alter_ini_entry_ex("assert.bail", sizeof("assert.bail"), Z_STRVAL_PP(value), Z_STRLEN_PP(value), PHP_INI_USER, PHP_INI_STAGE_RUNTIME, 0 TSRMLS_CC);
}
RETURN_LONG(oldint);
break;
case ASSERT_QUIET_EVAL:
oldint = ASSERTG(quiet_eval);
if (ac == 2) {
convert_to_string_ex(value);
zend_alter_ini_entry_ex("assert.quiet_eval", sizeof("assert.quiet_eval"), Z_STRVAL_PP(value), Z_STRLEN_PP(value), PHP_INI_USER, PHP_INI_STAGE_RUNTIME, 0 TSRMLS_CC);
}
RETURN_LONG(oldint);
break;
case ASSERT_WARNING:
oldint = ASSERTG(warning);
if (ac == 2) {
convert_to_string_ex(value);
zend_alter_ini_entry_ex("assert.warning", sizeof("assert.warning"), Z_STRVAL_PP(value), Z_STRLEN_PP(value), PHP_INI_USER, PHP_INI_STAGE_RUNTIME, 0 TSRMLS_CC);
}
RETURN_LONG(oldint);
break;
case ASSERT_CALLBACK:
if (ASSERTG(callback) != NULL) {
RETVAL_ZVAL(ASSERTG(callback), 1, 0);
} else if (ASSERTG(cb)) {
RETVAL_STRING(ASSERTG(cb), 1);
} else {
RETVAL_NULL();
}
if (ac == 2) {
if (ASSERTG(callback)) {
zval_ptr_dtor(&ASSERTG(callback));
}
ASSERTG(callback) = *value;
zval_add_ref(value);
}
return;
break;
default:
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown value %ld", what);
break;
}
RETURN_FALSE;
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/