/* +----------------------------------------------------------------------+ | Zend Engine | +----------------------------------------------------------------------+ | Copyright (c) 1998-2010 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 300606 2010-06-19 20:47:24Z felipe $ */ #ifndef ZEND_OPERATORS_H #define ZEND_OPERATORS_H #include <errno.h> #include <math.h> #include <assert.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 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() #define ZEND_IS_DIGIT(c) ((c) >= '0' && (c) <= '9') #define ZEND_IS_XDIGIT(c) (((c) >= 'A' && (c) <= 'F') || ((c) >= 'a' && (c) <= 'f')) /** * Checks whether the string "str" with length "length" is numeric. The value * of allow_errors determines whether it's required to be entirely numeric, or * just its prefix. Leading whitespace is allowed. * * The function returns 0 if the string did not contain a valid number; IS_LONG * if it contained a number that fits within the range of a long; or IS_DOUBLE * if the number was out of long range or contained a decimal point/exponent. * The number's value is returned into the respective pointer, *lval or *dval, * if that pointer is not NULL. */ static inline zend_uchar is_numeric_string(const char *str, int length, long *lval, double *dval, int allow_errors) { const char *ptr; int base = 10, digits = 0, dp_or_e = 0; double local_dval; zend_uchar type; if (!length) { return 0; } /* Skip any whitespace * This is much faster than the isspace() function */ while (*str == ' ' || *str == '\t' || *str == '\n' || *str == '\r' || *str == '\v' || *str == '\f') { str++; length--; } ptr = str; if (*ptr == '-' || *ptr == '+') { ptr++; } if (ZEND_IS_DIGIT(*ptr)) { /* Handle hex numbers * str is used instead of ptr to disallow signs and keep old behavior */ if (length > 2 && *str == '0' && (str[1] == 'x' || str[1] == 'X')) { base = 16; ptr += 2; } /* Skip any leading 0s */ while (*ptr == '0') { ptr++; } /* Count the number of digits. If a decimal point/exponent is found, * it's a double. Otherwise, if there's a dval or no need to check for * a full match, stop when there are too many digits for a long */ for (type = IS_LONG; !(digits >= MAX_LENGTH_OF_LONG && (dval || allow_errors == 1)); digits++, ptr++) { check_digits: if (ZEND_IS_DIGIT(*ptr) || (base == 16 && ZEND_IS_XDIGIT(*ptr))) { continue; } else if (base == 10) { if (*ptr == '.' && dp_or_e < 1) { goto process_double; } else if ((*ptr == 'e' || *ptr == 'E') && dp_or_e < 2) { const char *e = ptr + 1; if (*e == '-' || *e == '+') { ptr = e++; } if (ZEND_IS_DIGIT(*e)) { goto process_double; } } } break; } if (base == 10) { if (digits >= MAX_LENGTH_OF_LONG) { dp_or_e = -1; goto process_double; } } else if (!(digits < SIZEOF_LONG * 2 || (digits == SIZEOF_LONG * 2 && ptr[-digits] <= '7'))) { if (dval) { local_dval = zend_hex_strtod(str, (char **)&ptr); } type = IS_DOUBLE; } } else if (*ptr == '.' && ZEND_IS_DIGIT(ptr[1])) { process_double: type = IS_DOUBLE; /* If there's a dval, do the conversion; else continue checking * the digits if we need to check for a full match */ if (dval) { local_dval = zend_strtod(str, (char **)&ptr); } else if (allow_errors != 1 && dp_or_e != -1) { dp_or_e = (*ptr++ == '.') ? 1 : 2; goto check_digits; } } else { return 0; } if (ptr != str + length) { if (!allow_errors) { return 0; } if (allow_errors == -1) { zend_error(E_NOTICE, "A non well formed numeric value encountered"); } } if (type == IS_LONG) { if (digits == MAX_LENGTH_OF_LONG - 1) { int cmp = strcmp(&ptr[-digits], long_min_digits); if (!(cmp < 0 || (cmp == 0 && *str == '-'))) { if (dval) { *dval = zend_strtod(str, NULL); } return IS_DOUBLE; } } if (lval) { *lval = strtol(str, NULL, base); } return IS_LONG; } else { if (dval) { *dval = local_dval; } return IS_DOUBLE; } } 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; } static inline void *zend_memrchr(const void *s, int c, size_t n) { register unsigned char *e; if (n <= 0) { return NULL; } for (e = (unsigned char *)s + n - 1; e >= (unsigned char *)s; e--) { if (*e == (unsigned char)c) { return (void *)e; } } 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) if ((op)->type != IS_STRING) { _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 long zend_atol(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_explicit_type(pzv, type) \ do { \ switch (type) { \ case IS_NULL: \ convert_to_null(pzv); \ break; \ case IS_LONG: \ convert_to_long(pzv); \ break; \ case IS_DOUBLE: \ convert_to_double(pzv); \ break; \ case IS_BOOL: \ convert_to_boolean(pzv); \ break; \ case IS_ARRAY: \ convert_to_array(pzv); \ break; \ case IS_OBJECT: \ convert_to_object(pzv); \ break; \ case IS_STRING: \ convert_to_string(pzv); \ break; \ default: \ assert(0); \ break; \ } \ } while (0); \ #define convert_to_explicit_type_ex(ppzv, str_type) \ if (Z_TYPE_PP(ppzv) != str_type) { \ SEPARATE_ZVAL_IF_NOT_REF(ppzv); \ convert_to_explicit_type(*ppzv, str_type); \ } #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 (Z_TYPE_PP(ppzv)!=IS_LONG && Z_TYPE_PP(ppzv)!=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) Z_OBJVAL(zval).handle #define Z_OBJ_HT(zval) Z_OBJVAL(zval).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) #if HAVE_SETLOCALE && defined(ZEND_WIN32) && !defined(ZTS) && defined(_MSC_VER) && (_MSC_VER >= 1400) /* This is performance improvement of tolower() on Windows and VC2005 * GIves 10-18% on bench.php */ #define ZEND_USE_TOLOWER_L 1 #endif #ifdef ZEND_USE_TOLOWER_L ZEND_API void zend_update_current_locale(void); #else #define zend_update_current_locale() #endif #endif /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * indent-tabs-mode: t * End: */