php-src/ext/standard/assert.c
Sebastian Bergmann 38933514e1 Update headers.
2001-12-11 15:32:16 +00:00

302 lines
7.2 KiB
C

/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2002 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.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/startup/misc */
#include "php.h"
#include "php_assert.h"
#include "php_ini.h"
typedef struct {
long active;
long bail;
long warning;
long quiet_eval;
zval *callback;
} php_assert_globals;
#ifdef ZTS
#define ASSERTG(v) TSRMG(assert_globals_id, php_assert_globals *, v)
int assert_globals_id;
#else
#define ASSERTG(v) (assert_globals.v)
php_assert_globals assert_globals;
#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 (ASSERTG(callback)) {
zval_ptr_dtor(&ASSERTG(callback));
}
MAKE_STD_ZVAL(ASSERTG(callback));
if (new_value) {
ZVAL_STRINGL(ASSERTG(callback), new_value, new_value_length, 1);
} else {
ZVAL_EMPTY_STRING(ASSERTG(callback));
}
return SUCCESS;
}
PHP_INI_BEGIN()
STD_PHP_INI_ENTRY("assert.active", "1", PHP_INI_ALL, OnUpdateInt, active, php_assert_globals, assert_globals)
STD_PHP_INI_ENTRY("assert.bail", "0", PHP_INI_ALL, OnUpdateInt, bail, php_assert_globals, assert_globals)
STD_PHP_INI_ENTRY("assert.warning", "1", PHP_INI_ALL, OnUpdateInt, warning, php_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, OnUpdateInt, quiet_eval, php_assert_globals, assert_globals)
PHP_INI_END()
static void php_assert_init_globals(php_assert_globals *assert_globals_p TSRMLS_DC)
{
ASSERTG(callback) = NULL;
}
PHP_MINIT_FUNCTION(assert)
{
#ifdef ZTS
ts_allocate_id(&assert_globals_id, sizeof(php_assert_globals), (ts_allocate_ctor) php_assert_init_globals, NULL);
#else
php_assert_init_globals(&assert_globals TSRMLS_CC);
#endif
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(callback)) {
zval_ptr_dtor(&ASSERTG(callback));
}
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();
}
/* }}} */
/* {{{ internal functions */
/* }}} */
/* {{{ proto int assert(string|bool assertion)
Checks if assertion is false */
PHP_FUNCTION(assert)
{
zval **assertion;
int val;
char *myeval = NULL;
char *compiled_string_description;
if (! ASSERTG(active)) {
RETURN_TRUE;
}
if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &assertion) == FAILURE) {
WRONG_PARAM_COUNT;
}
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_string(myeval, &retval, compiled_string_description TSRMLS_CC) == FAILURE) {
efree(compiled_string_description);
zend_error(E_ERROR, "Failure evaluating code:\n%s\n", myeval);
/* zend_error() does not return in this case. */
}
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)) {
zval *args[3];
zval *retval;
int i;
uint lineno = zend_get_executed_lineno(TSRMLS_C);
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? */
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]));
}
zval_ptr_dtor(&retval);
}
if (ASSERTG(warning)) {
if (myeval) {
php_error(E_WARNING, "Assertion \"%s\" failed", myeval);
} else {
php_error(E_WARNING, "Assertion failed");
}
}
if (ASSERTG(bail)) {
zend_bailout();
}
}
/* }}} */
/* {{{ proto mixed assert_options(int what [, mixed value])
Set/get the various assert flags */
PHP_FUNCTION(assert_options)
{
pval **what, **value;
int oldint;
int ac = ZEND_NUM_ARGS();
if (ac < 1 || ac > 2 || zend_get_parameters_ex(ac, &what, &value) == FAILURE) {
WRONG_PARAM_COUNT;
}
convert_to_long_ex(what);
switch (Z_LVAL_PP(what)) {
case ASSERT_ACTIVE:
oldint = ASSERTG(active);
if (ac == 2) {
convert_to_long_ex(value);
ASSERTG(active) = Z_LVAL_PP(value);
}
RETURN_LONG(oldint);
break;
case ASSERT_BAIL:
oldint = ASSERTG(bail);
if (ac == 2) {
convert_to_long_ex(value);
ASSERTG(bail) = Z_LVAL_PP(value);
}
RETURN_LONG(oldint);
break;
case ASSERT_QUIET_EVAL:
oldint = ASSERTG(quiet_eval);
if (ac == 2) {
convert_to_long_ex(value);
ASSERTG(quiet_eval) = Z_LVAL_PP(value);
}
RETURN_LONG(oldint);
break;
case ASSERT_WARNING:
oldint = ASSERTG(warning);
if (ac == 2) {
convert_to_long_ex(value);
ASSERTG(warning) = Z_LVAL_PP(value);
}
RETURN_LONG(oldint);
break;
case ASSERT_CALLBACK:
if (ac == 2) {
if (ASSERTG(callback)) {
zval_ptr_dtor(&ASSERTG(callback));
}
ASSERTG(callback) = *value;
zval_add_ref(value);
}
RETURN_TRUE;
break;
default:
php_error(E_WARNING, "Unknown value %d.", Z_LVAL_PP(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
*/