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zend_operators.h
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zend_operators.h
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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2001 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 0.92 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.zend.com/license/0_92.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
#ifndef ZEND_OPERATORS_H
#define ZEND_OPERATORS_H
#include <errno.h>
#include <math.h>
#ifdef HAVE_IEEEFP_H
#include <ieeefp.h>
#endif
#if 0&&WITH_BCMATH
#include "ext/bcmath/libbcmath/src/bcmath.h"
#endif
#define MAX_LENGTH_OF_LONG 18
#define MAX_LENGTH_OF_DOUBLE 32
ZEND_API int add_function(zval *result, zval *op1, zval *op2);
ZEND_API int sub_function(zval *result, zval *op1, zval *op2);
ZEND_API int mul_function(zval *result, zval *op1, zval *op2);
ZEND_API int div_function(zval *result, zval *op1, zval *op2);
ZEND_API int mod_function(zval *result, zval *op1, zval *op2);
ZEND_API int boolean_xor_function(zval *result, zval *op1, zval *op2);
ZEND_API int boolean_not_function(zval *result, zval *op1);
ZEND_API int bitwise_not_function(zval *result, zval *op1);
ZEND_API int bitwise_or_function(zval *result, zval *op1, zval *op2);
ZEND_API int bitwise_and_function(zval *result, zval *op1, zval *op2);
ZEND_API int bitwise_xor_function(zval *result, zval *op1, zval *op2);
ZEND_API int shift_left_function(zval *result, zval *op1, zval *op2);
ZEND_API int shift_right_function(zval *result, zval *op1, zval *op2);
ZEND_API int concat_function(zval *result, zval *op1, zval *op2);
ZEND_API int is_equal_function(zval *result, zval *op1, zval *op2);
ZEND_API int is_identical_function(zval *result, zval *op1, zval *op2);
ZEND_API int is_not_identical_function(zval *result, zval *op1, zval *op2);
ZEND_API int is_not_equal_function(zval *result, zval *op1, zval *op2);
ZEND_API int is_smaller_function(zval *result, zval *op1, zval *op2);
ZEND_API int is_smaller_or_equal_function(zval *result, zval *op1, zval *op2);
static inline int is_numeric_string(char *str, int length, long *lval, double *dval)
{
long local_lval;
double local_dval;
char *end_ptr;
int conv_base=10;
if (!length) {
return 0;
}
/* handle hex numbers */
if (length>=2 && str[0]=='0' && (str[1]=='x' || str[1]=='X')) {
conv_base=16;
}
errno=0;
local_lval = strtol(str, &end_ptr, conv_base);
if (errno!=ERANGE && end_ptr == str+length) { /* integer string */
if (lval) {
*lval = local_lval;
}
return IS_LONG;
}
if (conv_base==16) { /* hex string, under UNIX strtod() messes it up */
return 0;
}
errno=0;
local_dval = strtod(str, &end_ptr);
if (errno!=ERANGE && end_ptr == str+length) { /* floating point string */
if (! zend_finite(local_dval)) {
/* "inf","nan" and maybe other weird ones */
return 0;
}
if (dval) {
*dval = local_dval;
}
#if 0&&WITH_BCMATH
if (length>16) {
register char *ptr=str, *end=str+length;
while (ptr<end) {
switch(*ptr++) {
case 'e':
case 'E':
/* scientific notation, not handled by the BC library */
return IS_DOUBLE;
break;
default:
break;
}
}
return FLAG_IS_BC;
} else {
return IS_DOUBLE;
}
#else
return IS_DOUBLE;
#endif
}
return 0;
}
ZEND_API int increment_function(zval *op1);
ZEND_API int decrement_function(zval *op2);
BEGIN_EXTERN_C()
ZEND_API void convert_scalar_to_number(zval *op);
ZEND_API void _convert_to_string(zval *op ZEND_FILE_LINE_DC);
ZEND_API void convert_to_long(zval *op);
ZEND_API void convert_to_double(zval *op);
ZEND_API void convert_to_long_base(zval *op, int base);
ZEND_API void convert_to_null(zval *op);
ZEND_API void convert_to_boolean(zval *op);
ZEND_API void convert_to_array(zval *op);
ZEND_API void convert_to_object(zval *op);
ZEND_API void multi_convert_to_long_ex(int argc, ...);
ZEND_API void multi_convert_to_double_ex(int argc, ...);
ZEND_API void multi_convert_to_string_ex(int argc, ...);
ZEND_API int add_char_to_string(zval *result, zval *op1, zval *op2);
ZEND_API int add_string_to_string(zval *result, zval *op1, zval *op2);
#define convert_to_string(op) _convert_to_string((op) ZEND_FILE_LINE_CC)
ZEND_API double zend_string_to_double(const char *number, zend_uint length);
END_EXTERN_C()
ZEND_API int zval_is_true(zval *op);
ZEND_API int compare_function(zval *result, zval *op1, zval *op2);
ZEND_API int numeric_compare_function(zval *result, zval *op1, zval *op2);
ZEND_API int string_compare_function(zval *result, zval *op1, zval *op2);
ZEND_API void zend_str_tolower(char *str, unsigned int length);
ZEND_API int zend_binary_zval_strcmp(zval *s1, zval *s2);
ZEND_API int zend_binary_zval_strncmp(zval *s1, zval *s2, zval *s3);
ZEND_API int zend_binary_zval_strcasecmp(zval *s1, zval *s2);
ZEND_API int zend_binary_zval_strncasecmp(zval *s1, zval *s2, zval *s3);
ZEND_API int zend_binary_strcmp(char *s1, uint len1, char *s2, uint len2);
ZEND_API int zend_binary_strncmp(char *s1, uint len1, char *s2, uint len2, uint length);
ZEND_API int zend_binary_strcasecmp(char *s1, uint len1, char *s2, uint len2);
ZEND_API int zend_binary_strncasecmp(char *s1, uint len1, char *s2, uint len2, uint length);
ZEND_API void zendi_smart_strcmp(zval *result, zval *s1, zval *s2);
ZEND_API void zend_compare_symbol_tables(zval *result, HashTable *ht1, HashTable *ht2);
ZEND_API void zend_compare_arrays(zval *result, zval *a1, zval *a2);
ZEND_API void zend_compare_objects(zval *result, zval *o1, zval *o2);
ZEND_API int zend_atoi(const char *str, int str_len);
#define convert_to_ex_master(ppzv, lower_type, upper_type) \
if ((*ppzv)->type!=IS_##upper_type) { \
if (!(*ppzv)->is_ref) { \
SEPARATE_ZVAL(ppzv); \
} \
convert_to_##lower_type(*ppzv); \
}
#define convert_to_writable_ex_master(ppzv, lower_type, upper_type) \
if ((*ppzv)->type!=IS_##upper_type) { \
SEPARATE_ZVAL(ppzv); \
convert_to_##lower_type(*ppzv); \
}
#define convert_to_boolean_ex(ppzv) convert_to_ex_master(ppzv, boolean, BOOL)
#define convert_to_long_ex(ppzv) convert_to_ex_master(ppzv, long, LONG)
#define convert_to_double_ex(ppzv) convert_to_ex_master(ppzv, double, DOUBLE)
#define convert_to_string_ex(ppzv) convert_to_ex_master(ppzv, string, STRING)
#define convert_to_array_ex(ppzv) convert_to_ex_master(ppzv, array, ARRAY)
#define convert_to_object_ex(ppzv) convert_to_ex_master(ppzv, object, OBJECT)
#define convert_to_null_ex(ppzv) convert_to_ex_master(ppzv, null, NULL)
#define convert_to_writable_boolean_ex(ppzv) convert_to_writable_ex_master(ppzv, boolean, BOOL)
#define convert_to_writable_long_ex(ppzv) convert_to_writable_ex_master(ppzv, long, LONG)
#define convert_to_writable_double_ex(ppzv) convert_to_writable_ex_master(ppzv, double, DOUBLE)
#define convert_to_writable_string_ex(ppzv) convert_to_writable_ex_master(ppzv, string, STRING)
#define convert_to_writable_array_ex(ppzv) convert_to_writable_ex_master(ppzv, array, ARRAY)
#define convert_to_writable_object_ex(ppzv) convert_to_writable_ex_master(ppzv, object, OBJECT)
#define convert_to_writable_null_ex(ppzv) convert_to_writable_ex_master(ppzv, null, NULL)
#define convert_scalar_to_number_ex(ppzv) \
if ((*ppzv)->type!=IS_LONG && (*ppzv)->type!=IS_DOUBLE) { \
if (!(*ppzv)->is_ref) { \
SEPARATE_ZVAL(ppzv); \
} \
convert_scalar_to_number(*ppzv); \
}
#define Z_LVAL(zval) (zval).value.lval
#define Z_BVAL(zval) ((zend_bool)(zval).value.lval)
#define Z_DVAL(zval) (zval).value.dval
#define Z_STRVAL(zval) (zval).value.str.val
#define Z_STRLEN(zval) (zval).value.str.len
#define Z_ARRVAL(zval) (zval).value.ht
#define Z_OBJPROP(zval) (zval).value.obj.properties
#define Z_OBJCE(zval) (zval).value.obj.ce
#define Z_RESVAL(zval) (zval).value.lval
#define Z_LVAL_P(zval_p) Z_LVAL(*zval_p)
#define Z_BVAL_P(zval_p) Z_BVAL(*zval_p)
#define Z_DVAL_P(zval_p) Z_DVAL(*zval_p)
#define Z_STRVAL_P(zval_p) Z_STRVAL(*zval_p)
#define Z_STRLEN_P(zval_p) Z_STRLEN(*zval_p)
#define Z_ARRVAL_P(zval_p) Z_ARRVAL(*zval_p)
#define Z_OBJPROP_P(zval_p) Z_OBJPROP(*zval_p)
#define Z_OBJCE_P(zval_p) Z_OBJCE(*zval_p)
#define Z_RESVAL_P(zval_p) Z_RESVAL(*zval_p)
#define Z_LVAL_PP(zval_pp) Z_LVAL(**zval_pp)
#define Z_BVAL_PP(zval_pp) Z_BVAL(**zval_pp)
#define Z_DVAL_PP(zval_pp) Z_DVAL(**zval_pp)
#define Z_STRVAL_PP(zval_pp) Z_STRVAL(**zval_pp)
#define Z_STRLEN_PP(zval_pp) Z_STRLEN(**zval_pp)
#define Z_ARRVAL_PP(zval_pp) Z_ARRVAL(**zval_pp)
#define Z_OBJPROP_PP(zval_pp) Z_OBJPROP(**zval_pp)
#define Z_OBJCE_PP(zval_pp) Z_OBJCE(**zval_pp)
#define Z_RESVAL_PP(zval_pp) Z_RESVAL(**zval_pp)
#define Z_TYPE(zval) (zval).type
#define Z_TYPE_P(zval_p) Z_TYPE(*zval_p)
#define Z_TYPE_PP(zval_pp) Z_TYPE(**zval_pp)
#endif