/* +----------------------------------------------------------------------+ | Zend Engine | +----------------------------------------------------------------------+ | Copyright (c) 1998-2006 Zend Technologies Ltd. (http://www.zend.com) | +----------------------------------------------------------------------+ | This source file is subject to version 2.00 of the Zend 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.zend.com/license/2_00.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> | +----------------------------------------------------------------------+ */ /* $Id: zend_operators.h,v 1.94.2.4 2006/01/04 23:53:04 andi Exp $ */ #ifndef ZEND_OPERATORS_H #define ZEND_OPERATORS_H #include <errno.h> #include <math.h> #ifdef HAVE_IEEEFP_H #include <ieeefp.h> #endif #include "zend_strtod.h" #if 0&&HAVE_BCMATH #include "ext/bcmath/libbcmath/src/bcmath.h" #endif #define MAX_LENGTH_OF_LONG 20 #define MAX_LENGTH_OF_DOUBLE 32 BEGIN_EXTERN_C() ZEND_API int add_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int sub_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int mul_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int div_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int mod_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int boolean_xor_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int boolean_not_function(zval *result, zval *op1 TSRMLS_DC); ZEND_API int bitwise_not_function(zval *result, zval *op1 TSRMLS_DC); ZEND_API int bitwise_or_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int bitwise_and_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int bitwise_xor_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int shift_left_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int shift_right_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int concat_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int is_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int is_identical_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int is_not_identical_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int is_not_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int is_smaller_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int is_smaller_or_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API zend_bool instanceof_function_ex(zend_class_entry *instance_ce, zend_class_entry *ce, zend_bool interfaces_only TSRMLS_DC); ZEND_API zend_bool instanceof_function(zend_class_entry *instance_ce, zend_class_entry *ce TSRMLS_DC); END_EXTERN_C() static inline zend_bool is_numeric_string(char *str, int length, long *lval, double *dval, int allow_errors) { long local_lval; double local_dval; char *end_ptr_long, *end_ptr_double; 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_long, conv_base); if (errno!=ERANGE) { if (end_ptr_long == str+length) { /* integer string */ if (lval) { *lval = local_lval; } return IS_LONG; } else if (end_ptr_long == str && *end_ptr_long != '\0' && *str != '.' && *str != '-') { /* ignore partial string matches */ return 0; } } else { end_ptr_long=NULL; } if (conv_base==16) { /* hex string, under UNIX strtod() messes it up */ return 0; } errno=0; local_dval = zend_strtod(str, &end_ptr_double); if (errno != ERANGE) { if (end_ptr_double == str+length) { /* floating point string */ if (!zend_finite(local_dval)) { /* "inf","nan" and maybe other weird ones */ return 0; } if (dval) { *dval = local_dval; } return IS_DOUBLE; } } else { end_ptr_double=NULL; } if (!allow_errors) { return 0; } if (allow_errors == -1) { zend_error(E_NOTICE, "A non well formed numeric value encountered"); } if (end_ptr_double>end_ptr_long && dval) { *dval = local_dval; return IS_DOUBLE; } else if (end_ptr_long && lval) { *lval = local_lval; return IS_LONG; } return 0; } static inline char * zend_memnstr(char *haystack, char *needle, int needle_len, char *end) { char *p = haystack; char ne = needle[needle_len-1]; if(needle_len > end-haystack) { return NULL; } end -= needle_len; while (p <= end) { if ((p = (char *)memchr(p, *needle, (end-p+1))) && ne == p[needle_len-1]) { if (!memcmp(needle, p, needle_len-1)) { return p; } } if (p == NULL) { return NULL; } p++; } return NULL; } BEGIN_EXTERN_C() ZEND_API int increment_function(zval *op1); ZEND_API int decrement_function(zval *op2); ZEND_API void convert_scalar_to_number(zval *op TSRMLS_DC); 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); ZEND_API int zval_is_true(zval *op); ZEND_API int compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int numeric_compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); ZEND_API int string_compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); #if HAVE_STRCOLL ZEND_API int string_locale_compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC); #endif ZEND_API void zend_str_tolower(char *str, unsigned int length); ZEND_API char *zend_str_tolower_copy(char *dest, const char *source, unsigned int length); END_EXTERN_C() static inline char * zend_str_tolower_dup(const char *source, unsigned int length) { return zend_str_tolower_copy((char *)emalloc(length+1), source, length); } BEGIN_EXTERN_C() 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 TSRMLS_DC); ZEND_API void zend_compare_arrays(zval *result, zval *a1, zval *a2 TSRMLS_DC); ZEND_API void zend_compare_objects(zval *result, zval *o1, zval *o2 TSRMLS_DC); ZEND_API int zend_atoi(const char *str, int str_len); ZEND_API void zend_locale_sprintf_double(zval *op ZEND_FILE_LINE_DC); END_EXTERN_C() #define convert_to_ex_master(ppzv, lower_type, upper_type) \ if ((*ppzv)->type!=IS_##upper_type) { \ SEPARATE_ZVAL_IF_NOT_REF(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_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 TSRMLS_CC); \ } #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_OBJVAL(zval) (zval).value.obj #define Z_OBJ_HANDLE(zval) (zval).value.obj.handle #define Z_OBJ_HT(zval) (zval).value.obj.handlers #define Z_OBJCE(zval) zend_get_class_entry(&(zval) TSRMLS_CC) #define Z_OBJPROP(zval) Z_OBJ_HT((zval))->get_properties(&(zval) TSRMLS_CC) #define Z_OBJ_HANDLER(zval, hf) Z_OBJ_HT((zval))->hf #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_OBJVAL_P(zval_p) Z_OBJVAL(*zval_p) #define Z_OBJ_HANDLE_P(zval_p) Z_OBJ_HANDLE(*zval_p) #define Z_OBJ_HT_P(zval_p) Z_OBJ_HT(*zval_p) #define Z_OBJ_HANDLER_P(zval_p, h) Z_OBJ_HANDLER(*zval_p, h) #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_OBJVAL_PP(zval_pp) Z_OBJVAL(**zval_pp) #define Z_OBJ_HANDLE_PP(zval_p) Z_OBJ_HANDLE(**zval_p) #define Z_OBJ_HT_PP(zval_p) Z_OBJ_HT(**zval_p) #define Z_OBJ_HANDLER_PP(zval_p, h) Z_OBJ_HANDLER(**zval_p, h) #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 /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * indent-tabs-mode: t * End: */