xref: /PHP-5.6/Zend/zend_operators.h (revision 3537e95d)
1 /*
2    +----------------------------------------------------------------------+
3    | Zend Engine                                                          |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1998-2016 Zend Technologies Ltd. (http://www.zend.com) |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 2.00 of the Zend license,     |
8    | that is bundled with this package in the file LICENSE, and is        |
9    | available through the world-wide-web at the following url:           |
10    | http://www.zend.com/license/2_00.txt.                                |
11    | If you did not receive a copy of the Zend license and are unable to  |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@zend.com so we can mail you a copy immediately.              |
14    +----------------------------------------------------------------------+
15    | Authors: Andi Gutmans <andi@zend.com>                                |
16    |          Zeev Suraski <zeev@zend.com>                                |
17    +----------------------------------------------------------------------+
18 */
19 
20 /* $Id$ */
21 
22 #ifndef ZEND_OPERATORS_H
23 #define ZEND_OPERATORS_H
24 
25 #include <errno.h>
26 #include <math.h>
27 #include <assert.h>
28 
29 #ifdef __GNUC__
30 #include <stddef.h>
31 #endif
32 
33 #ifdef HAVE_IEEEFP_H
34 #include <ieeefp.h>
35 #endif
36 
37 #include "zend_strtod.h"
38 #include "zend_multiply.h"
39 
40 #if 0&&HAVE_BCMATH
41 #include "ext/bcmath/libbcmath/src/bcmath.h"
42 #endif
43 
44 #define LONG_SIGN_MASK (1L << (8*sizeof(long)-1))
45 
46 BEGIN_EXTERN_C()
47 ZEND_API int add_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
48 ZEND_API int sub_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
49 ZEND_API int mul_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
50 ZEND_API int pow_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
51 ZEND_API int div_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
52 ZEND_API int mod_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
53 ZEND_API int boolean_xor_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
54 ZEND_API int boolean_not_function(zval *result, zval *op1 TSRMLS_DC);
55 ZEND_API int bitwise_not_function(zval *result, zval *op1 TSRMLS_DC);
56 ZEND_API int bitwise_or_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
57 ZEND_API int bitwise_and_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
58 ZEND_API int bitwise_xor_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
59 ZEND_API int shift_left_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
60 ZEND_API int shift_right_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
61 ZEND_API int concat_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
62 
63 ZEND_API int is_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
64 ZEND_API int is_identical_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
65 ZEND_API int is_not_identical_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
66 ZEND_API int is_not_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
67 ZEND_API int is_smaller_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
68 ZEND_API int is_smaller_or_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
69 
70 ZEND_API zend_bool instanceof_function_ex(const zend_class_entry *instance_ce, const zend_class_entry *ce, zend_bool interfaces_only TSRMLS_DC);
71 ZEND_API zend_bool instanceof_function(const zend_class_entry *instance_ce, const zend_class_entry *ce TSRMLS_DC);
END_EXTERN_C()72 END_EXTERN_C()
73 
74 #if ZEND_DVAL_TO_LVAL_CAST_OK
75 # define zend_dval_to_lval(d) ((long) (d))
76 #elif SIZEOF_LONG == 4
77 static zend_always_inline long zend_dval_to_lval(double d)
78 {
79 	if (d > LONG_MAX || d < LONG_MIN) {
80 		double	two_pow_32 = pow(2., 32.),
81 				dmod;
82 
83 		dmod = fmod(d, two_pow_32);
84 		if (dmod < 0) {
85 			/* we're going to make this number positive; call ceil()
86 			 * to simulate rounding towards 0 of the negative number */
87 			dmod = ceil(dmod) + two_pow_32;
88 		}
89 		return (long)(unsigned long)dmod;
90 	}
91 	return (long)d;
92 }
93 #else
94 static zend_always_inline long zend_dval_to_lval(double d)
95 {
96 	/* >= as (double)LONG_MAX is outside signed range */
97 	if (d >= LONG_MAX || d < LONG_MIN) {
98 		double	two_pow_64 = pow(2., 64.),
99 				dmod;
100 
101 		dmod = fmod(d, two_pow_64);
102 		if (dmod < 0) {
103 			/* no need to call ceil; original double must have had no
104 			 * fractional part, hence dmod does not have one either */
105 			dmod += two_pow_64;
106 		}
107 		return (long)(unsigned long)dmod;
108 	}
109 	return (long)d;
110 }
111 #endif
112 /* }}} */
113 
114 #define ZEND_IS_DIGIT(c) ((c) >= '0' && (c) <= '9')
115 #define ZEND_IS_XDIGIT(c) (((c) >= 'A' && (c) <= 'F') || ((c) >= 'a' && (c) <= 'f'))
116 
117 /**
118  * Checks whether the string "str" with length "length" is numeric. The value
119  * of allow_errors determines whether it's required to be entirely numeric, or
120  * just its prefix. Leading whitespace is allowed.
121  *
122  * The function returns 0 if the string did not contain a valid number; IS_LONG
123  * if it contained a number that fits within the range of a long; or IS_DOUBLE
124  * if the number was out of long range or contained a decimal point/exponent.
125  * The number's value is returned into the respective pointer, *lval or *dval,
126  * if that pointer is not NULL.
127  *
128  * This variant also gives information if a string that represents an integer
129  * could not be represented as such due to overflow. It writes 1 to oflow_info
130  * if the integer is larger than LONG_MAX and -1 if it's smaller than LONG_MIN.
131  */
132 static inline zend_uchar is_numeric_string_ex(const char *str, int length, long *lval, double *dval, int allow_errors, int *oflow_info)
133 {
134 	const char *ptr;
135 	int base = 10, digits = 0, dp_or_e = 0;
136 	double local_dval = 0.0;
137 	zend_uchar type;
138 
139 	if (!length) {
140 		return 0;
141 	}
142 
143 	if (oflow_info != NULL) {
144 		*oflow_info = 0;
145 	}
146 
147 	/* Skip any whitespace
148 	 * This is much faster than the isspace() function */
149 	while (*str == ' ' || *str == '\t' || *str == '\n' || *str == '\r' || *str == '\v' || *str == '\f') {
150 		str++;
151 		length--;
152 	}
153 	ptr = str;
154 
155 	if (*ptr == '-' || *ptr == '+') {
156 		ptr++;
157 	}
158 
159 	if (ZEND_IS_DIGIT(*ptr)) {
160 		/* Handle hex numbers
161 		 * str is used instead of ptr to disallow signs and keep old behavior */
162 		if (length > 2 && *str == '0' && (str[1] == 'x' || str[1] == 'X')) {
163 			base = 16;
164 			ptr += 2;
165 		}
166 
167 		/* Skip any leading 0s */
168 		while (*ptr == '0') {
169 			ptr++;
170 		}
171 
172 		/* Count the number of digits. If a decimal point/exponent is found,
173 		 * it's a double. Otherwise, if there's a dval or no need to check for
174 		 * a full match, stop when there are too many digits for a long */
175 		for (type = IS_LONG; !(digits >= MAX_LENGTH_OF_LONG && (dval || allow_errors == 1)); digits++, ptr++) {
176 check_digits:
177 			if (ZEND_IS_DIGIT(*ptr) || (base == 16 && ZEND_IS_XDIGIT(*ptr))) {
178 				continue;
179 			} else if (base == 10) {
180 				if (*ptr == '.' && dp_or_e < 1) {
181 					goto process_double;
182 				} else if ((*ptr == 'e' || *ptr == 'E') && dp_or_e < 2) {
183 					const char *e = ptr + 1;
184 
185 					if (*e == '-' || *e == '+') {
186 						ptr = e++;
187 					}
188 					if (ZEND_IS_DIGIT(*e)) {
189 						goto process_double;
190 					}
191 				}
192 			}
193 
194 			break;
195 		}
196 
197 		if (base == 10) {
198 			if (digits >= MAX_LENGTH_OF_LONG) {
199 				if (oflow_info != NULL) {
200 					*oflow_info = *str == '-' ? -1 : 1;
201 				}
202 				dp_or_e = -1;
203 				goto process_double;
204 			}
205 		} else if (!(digits < SIZEOF_LONG * 2 || (digits == SIZEOF_LONG * 2 && ptr[-digits] <= '7'))) {
206 			if (dval) {
207 				local_dval = zend_hex_strtod(str, &ptr);
208 			}
209 			if (oflow_info != NULL) {
210 				*oflow_info = 1;
211 			}
212 			type = IS_DOUBLE;
213 		}
214 	} else if (*ptr == '.' && ZEND_IS_DIGIT(ptr[1])) {
215 process_double:
216 		type = IS_DOUBLE;
217 
218 		/* If there's a dval, do the conversion; else continue checking
219 		 * the digits if we need to check for a full match */
220 		if (dval) {
221 			local_dval = zend_strtod(str, &ptr);
222 		} else if (allow_errors != 1 && dp_or_e != -1) {
223 			dp_or_e = (*ptr++ == '.') ? 1 : 2;
224 			goto check_digits;
225 		}
226 	} else {
227 		return 0;
228 	}
229 
230 	if (ptr != str + length) {
231 		if (!allow_errors) {
232 			return 0;
233 		}
234 		if (allow_errors == -1) {
235 			zend_error(E_NOTICE, "A non well formed numeric value encountered");
236 		}
237 	}
238 
239 	if (type == IS_LONG) {
240 		if (digits == MAX_LENGTH_OF_LONG - 1) {
241 			int cmp = strcmp(&ptr[-digits], long_min_digits);
242 
243 			if (!(cmp < 0 || (cmp == 0 && *str == '-'))) {
244 				if (dval) {
245 					*dval = zend_strtod(str, NULL);
246 				}
247 				if (oflow_info != NULL) {
248 					*oflow_info = *str == '-' ? -1 : 1;
249 				}
250 
251 				return IS_DOUBLE;
252 			}
253 		}
254 
255 		if (lval) {
256 			*lval = strtol(str, NULL, base);
257 		}
258 
259 		return IS_LONG;
260 	} else {
261 		if (dval) {
262 			*dval = local_dval;
263 		}
264 
265 		return IS_DOUBLE;
266 	}
267 }
268 
is_numeric_string(const char * str,int length,long * lval,double * dval,int allow_errors)269 static inline zend_uchar is_numeric_string(const char *str, int length, long *lval, double *dval, int allow_errors) {
270     return is_numeric_string_ex(str, length, lval, dval, allow_errors, NULL);
271 }
272 
273 static inline const char *
zend_memnstr(const char * haystack,const char * needle,int needle_len,char * end)274 zend_memnstr(const char *haystack, const char *needle, int needle_len, char *end)
275 {
276 	const char *p = haystack;
277 	const char ne = needle[needle_len-1];
278 
279 	if (needle_len == 1) {
280 		return (char *)memchr(p, *needle, (end-p));
281 	}
282 
283 	if (needle_len > end-haystack) {
284 		return NULL;
285 	}
286 
287 	end -= needle_len;
288 
289 	while (p <= end) {
290 		if ((p = (char *)memchr(p, *needle, (end-p+1))) && ne == p[needle_len-1]) {
291 			if (!memcmp(needle, p, needle_len-1)) {
292 				return p;
293 			}
294 		}
295 
296 		if (p == NULL) {
297 			return NULL;
298 		}
299 
300 		p++;
301 	}
302 
303 	return NULL;
304 }
305 
zend_memrchr(const void * s,int c,size_t n)306 static inline const void *zend_memrchr(const void *s, int c, size_t n)
307 {
308 	register const unsigned char *e;
309 
310 	if (n <= 0) {
311 		return NULL;
312 	}
313 
314 	for (e = (const unsigned char *)s + n - 1; e >= (const unsigned char *)s; e--) {
315 		if (*e == (const unsigned char)c) {
316 			return (const void *)e;
317 		}
318 	}
319 
320 	return NULL;
321 }
322 
323 BEGIN_EXTERN_C()
324 ZEND_API int increment_function(zval *op1);
325 ZEND_API int decrement_function(zval *op2);
326 
327 ZEND_API void convert_scalar_to_number(zval *op TSRMLS_DC);
328 ZEND_API void _convert_to_cstring(zval *op ZEND_FILE_LINE_DC);
329 ZEND_API void _convert_to_string(zval *op ZEND_FILE_LINE_DC);
330 ZEND_API void convert_to_long(zval *op);
331 ZEND_API void convert_to_double(zval *op);
332 ZEND_API void convert_to_long_base(zval *op, int base);
333 ZEND_API void convert_to_null(zval *op);
334 ZEND_API void convert_to_boolean(zval *op);
335 ZEND_API void convert_to_array(zval *op);
336 ZEND_API void convert_to_object(zval *op);
337 ZEND_API void multi_convert_to_long_ex(int argc, ...);
338 ZEND_API void multi_convert_to_double_ex(int argc, ...);
339 ZEND_API void multi_convert_to_string_ex(int argc, ...);
340 ZEND_API int add_char_to_string(zval *result, const zval *op1, const zval *op2);
341 ZEND_API int add_string_to_string(zval *result, const zval *op1, const zval *op2);
342 #define convert_to_cstring(op) if ((op)->type != IS_STRING) { _convert_to_cstring((op) ZEND_FILE_LINE_CC); }
343 #define convert_to_string(op) if ((op)->type != IS_STRING) { _convert_to_string((op) ZEND_FILE_LINE_CC); }
344 
345 ZEND_API double zend_string_to_double(const char *number, zend_uint length);
346 
347 ZEND_API int zval_is_true(zval *op);
348 ZEND_API int compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
349 ZEND_API int numeric_compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
350 ZEND_API int string_compare_function_ex(zval *result, zval *op1, zval *op2, zend_bool case_insensitive TSRMLS_DC);
351 ZEND_API int string_compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
352 ZEND_API int string_case_compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
353 #if HAVE_STRCOLL
354 ZEND_API int string_locale_compare_function(zval *result, zval *op1, zval *op2 TSRMLS_DC);
355 #endif
356 
357 ZEND_API void zend_str_tolower(char *str, unsigned int length);
358 ZEND_API char *zend_str_tolower_copy(char *dest, const char *source, unsigned int length);
359 ZEND_API char *zend_str_tolower_dup(const char *source, unsigned int length);
360 
361 ZEND_API int zend_binary_zval_strcmp(zval *s1, zval *s2);
362 ZEND_API int zend_binary_zval_strncmp(zval *s1, zval *s2, zval *s3);
363 ZEND_API int zend_binary_zval_strcasecmp(zval *s1, zval *s2);
364 ZEND_API int zend_binary_zval_strncasecmp(zval *s1, zval *s2, zval *s3);
365 ZEND_API int zend_binary_strcmp(const char *s1, uint len1, const char *s2, uint len2);
366 ZEND_API int zend_binary_strncmp(const char *s1, uint len1, const char *s2, uint len2, uint length);
367 ZEND_API int zend_binary_strcasecmp(const char *s1, uint len1, const char *s2, uint len2);
368 ZEND_API int zend_binary_strncasecmp(const char *s1, uint len1, const char *s2, uint len2, uint length);
369 ZEND_API int zend_binary_strncasecmp_l(const char *s1, uint len1, const char *s2, uint len2, uint length);
370 
371 ZEND_API void zendi_smart_strcmp(zval *result, zval *s1, zval *s2);
372 ZEND_API void zend_compare_symbol_tables(zval *result, HashTable *ht1, HashTable *ht2 TSRMLS_DC);
373 ZEND_API void zend_compare_arrays(zval *result, zval *a1, zval *a2 TSRMLS_DC);
374 ZEND_API void zend_compare_objects(zval *result, zval *o1, zval *o2 TSRMLS_DC);
375 
376 ZEND_API int zend_atoi(const char *str, int str_len);
377 ZEND_API long zend_atol(const char *str, int str_len);
378 
379 ZEND_API void zend_locale_sprintf_double(zval *op ZEND_FILE_LINE_DC);
380 END_EXTERN_C()
381 
382 #define convert_to_ex_master(ppzv, lower_type, upper_type)	\
383 	if (Z_TYPE_PP(ppzv)!=IS_##upper_type) {					\
384 		SEPARATE_ZVAL_IF_NOT_REF(ppzv);						\
385 		convert_to_##lower_type(*ppzv);						\
386 	}
387 
388 #define convert_to_explicit_type(pzv, type)		\
389 	do {										\
390 		switch (type) {							\
391 			case IS_NULL:						\
392 				convert_to_null(pzv);			\
393 				break;							\
394 			case IS_LONG:						\
395 				convert_to_long(pzv);			\
396 				break;							\
397 			case IS_DOUBLE:						\
398 				convert_to_double(pzv);			\
399 				break;							\
400 			case IS_BOOL:						\
401 				convert_to_boolean(pzv);		\
402 				break;							\
403 			case IS_ARRAY:						\
404 				convert_to_array(pzv);			\
405 				break;							\
406 			case IS_OBJECT:						\
407 				convert_to_object(pzv);			\
408 				break;							\
409 			case IS_STRING:						\
410 				convert_to_string(pzv);			\
411 				break;							\
412 			default:							\
413 				assert(0);						\
414 				break;							\
415 		}										\
416 	} while (0);
417 
418 #define convert_to_explicit_type_ex(ppzv, str_type)	\
419 	if (Z_TYPE_PP(ppzv) != str_type) {				\
420 		SEPARATE_ZVAL_IF_NOT_REF(ppzv);				\
421 		convert_to_explicit_type(*ppzv, str_type);	\
422 	}
423 
424 #define convert_to_boolean_ex(ppzv)	convert_to_ex_master(ppzv, boolean, BOOL)
425 #define convert_to_long_ex(ppzv)	convert_to_ex_master(ppzv, long, LONG)
426 #define convert_to_double_ex(ppzv)	convert_to_ex_master(ppzv, double, DOUBLE)
427 #define convert_to_string_ex(ppzv)	convert_to_ex_master(ppzv, string, STRING)
428 #define convert_to_array_ex(ppzv)	convert_to_ex_master(ppzv, array, ARRAY)
429 #define convert_to_object_ex(ppzv)	convert_to_ex_master(ppzv, object, OBJECT)
430 #define convert_to_null_ex(ppzv)	convert_to_ex_master(ppzv, null, NULL)
431 
432 #define convert_scalar_to_number_ex(ppzv)							\
433 	if (Z_TYPE_PP(ppzv)!=IS_LONG && Z_TYPE_PP(ppzv)!=IS_DOUBLE) {	\
434 		if (!Z_ISREF_PP(ppzv)) {									\
435 			SEPARATE_ZVAL(ppzv);									\
436 		}															\
437 		convert_scalar_to_number(*ppzv TSRMLS_CC);					\
438 	}
439 
440 
441 #define Z_LVAL(zval)			(zval).value.lval
442 #define Z_BVAL(zval)			((zend_bool)(zval).value.lval)
443 #define Z_DVAL(zval)			(zval).value.dval
444 #define Z_STRVAL(zval)			(zval).value.str.val
445 #define Z_STRLEN(zval)			(zval).value.str.len
446 #define Z_ARRVAL(zval)			(zval).value.ht
447 #define Z_AST(zval)			(zval).value.ast
448 #define Z_OBJVAL(zval)			(zval).value.obj
449 #define Z_OBJ_HANDLE(zval)		Z_OBJVAL(zval).handle
450 #define Z_OBJ_HT(zval)			Z_OBJVAL(zval).handlers
451 #define Z_OBJCE(zval)			zend_get_class_entry(&(zval) TSRMLS_CC)
452 #define Z_OBJPROP(zval)			Z_OBJ_HT((zval))->get_properties(&(zval) TSRMLS_CC)
453 #define Z_OBJ_HANDLER(zval, hf) Z_OBJ_HT((zval))->hf
454 #define Z_RESVAL(zval)			(zval).value.lval
455 #define Z_OBJDEBUG(zval,is_tmp)	(Z_OBJ_HANDLER((zval),get_debug_info)?Z_OBJ_HANDLER((zval),get_debug_info)(&(zval),&is_tmp TSRMLS_CC):(is_tmp=0,Z_OBJ_HANDLER((zval),get_properties)?Z_OBJPROP(zval):NULL))
456 
457 #define Z_LVAL_P(zval_p)		Z_LVAL(*zval_p)
458 #define Z_BVAL_P(zval_p)		Z_BVAL(*zval_p)
459 #define Z_DVAL_P(zval_p)		Z_DVAL(*zval_p)
460 #define Z_STRVAL_P(zval_p)		Z_STRVAL(*zval_p)
461 #define Z_STRLEN_P(zval_p)		Z_STRLEN(*zval_p)
462 #define Z_ARRVAL_P(zval_p)		Z_ARRVAL(*zval_p)
463 #define Z_AST_P(zval_p)			Z_AST(*zval_p)
464 #define Z_OBJPROP_P(zval_p)		Z_OBJPROP(*zval_p)
465 #define Z_OBJCE_P(zval_p)		Z_OBJCE(*zval_p)
466 #define Z_RESVAL_P(zval_p)		Z_RESVAL(*zval_p)
467 #define Z_OBJVAL_P(zval_p)		Z_OBJVAL(*zval_p)
468 #define Z_OBJ_HANDLE_P(zval_p)	Z_OBJ_HANDLE(*zval_p)
469 #define Z_OBJ_HT_P(zval_p)		Z_OBJ_HT(*zval_p)
470 #define Z_OBJ_HANDLER_P(zval_p, h)	Z_OBJ_HANDLER(*zval_p, h)
471 #define Z_OBJDEBUG_P(zval_p,is_tmp)	Z_OBJDEBUG(*zval_p,is_tmp)
472 
473 #define Z_LVAL_PP(zval_pp)		Z_LVAL(**zval_pp)
474 #define Z_BVAL_PP(zval_pp)		Z_BVAL(**zval_pp)
475 #define Z_DVAL_PP(zval_pp)		Z_DVAL(**zval_pp)
476 #define Z_STRVAL_PP(zval_pp)	Z_STRVAL(**zval_pp)
477 #define Z_STRLEN_PP(zval_pp)	Z_STRLEN(**zval_pp)
478 #define Z_ARRVAL_PP(zval_pp)	Z_ARRVAL(**zval_pp)
479 #define Z_AST_PP(zval_p)		Z_AST(**zval_p)
480 #define Z_OBJPROP_PP(zval_pp)	Z_OBJPROP(**zval_pp)
481 #define Z_OBJCE_PP(zval_pp)		Z_OBJCE(**zval_pp)
482 #define Z_RESVAL_PP(zval_pp)	Z_RESVAL(**zval_pp)
483 #define Z_OBJVAL_PP(zval_pp)	Z_OBJVAL(**zval_pp)
484 #define Z_OBJ_HANDLE_PP(zval_p)	Z_OBJ_HANDLE(**zval_p)
485 #define Z_OBJ_HT_PP(zval_p)		Z_OBJ_HT(**zval_p)
486 #define Z_OBJ_HANDLER_PP(zval_p, h)		Z_OBJ_HANDLER(**zval_p, h)
487 #define Z_OBJDEBUG_PP(zval_pp,is_tmp)	Z_OBJDEBUG(**zval_pp,is_tmp)
488 
489 #define Z_TYPE(zval)		(zval).type
490 #define Z_TYPE_P(zval_p)	Z_TYPE(*zval_p)
491 #define Z_TYPE_PP(zval_pp)	Z_TYPE(**zval_pp)
492 
493 #if HAVE_SETLOCALE && defined(ZEND_WIN32) && !defined(ZTS) && defined(_MSC_VER) && (_MSC_VER >= 1400)
494 /* This is performance improvement of tolower() on Windows and VC2005
495  * Gives 10-18% on bench.php
496  */
497 #define ZEND_USE_TOLOWER_L 1
498 #endif
499 
500 #ifdef ZEND_USE_TOLOWER_L
501 ZEND_API void zend_update_current_locale(void);
502 #else
503 #define zend_update_current_locale()
504 #endif
505 
506 /* The offset in bytes between the value and type fields of a zval */
507 #define ZVAL_OFFSETOF_TYPE	\
508 	(offsetof(zval,type) - offsetof(zval,value))
509 
fast_increment_function(zval * op1)510 static zend_always_inline int fast_increment_function(zval *op1)
511 {
512 	if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
513 #if defined(__GNUC__) && defined(__i386__)
514 		__asm__(
515 			"incl (%0)\n\t"
516 			"jno  0f\n\t"
517 			"movl $0x0, (%0)\n\t"
518 			"movl $0x41e00000, 0x4(%0)\n\t"
519 			"movb %1, %c2(%0)\n"
520 			"0:"
521 			:
522 			: "r"(&op1->value),
523 			  "n"(IS_DOUBLE),
524 			  "n"(ZVAL_OFFSETOF_TYPE)
525 			: "cc");
526 #elif defined(__GNUC__) && defined(__x86_64__)
527 		__asm__(
528 			"incq (%0)\n\t"
529 			"jno  0f\n\t"
530 			"movl $0x0, (%0)\n\t"
531 			"movl $0x43e00000, 0x4(%0)\n\t"
532 			"movb %1, %c2(%0)\n"
533 			"0:"
534 			:
535 			: "r"(&op1->value),
536 			  "n"(IS_DOUBLE),
537 			  "n"(ZVAL_OFFSETOF_TYPE)
538 			: "cc");
539 #else
540 		if (UNEXPECTED(Z_LVAL_P(op1) == LONG_MAX)) {
541 			/* switch to double */
542 			Z_DVAL_P(op1) = (double)LONG_MAX + 1.0;
543 			Z_TYPE_P(op1) = IS_DOUBLE;
544 		} else {
545 			Z_LVAL_P(op1)++;
546 		}
547 #endif
548 		return SUCCESS;
549 	}
550 	return increment_function(op1);
551 }
552 
fast_decrement_function(zval * op1)553 static zend_always_inline int fast_decrement_function(zval *op1)
554 {
555 	if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
556 #if defined(__GNUC__) && defined(__i386__)
557 		__asm__(
558 			"decl (%0)\n\t"
559 			"jno  0f\n\t"
560 			"movl $0x00200000, (%0)\n\t"
561 			"movl $0xc1e00000, 0x4(%0)\n\t"
562 			"movb %1,%c2(%0)\n"
563 			"0:"
564 			:
565 			: "r"(&op1->value),
566 			  "n"(IS_DOUBLE),
567 			  "n"(ZVAL_OFFSETOF_TYPE)
568 			: "cc");
569 #elif defined(__GNUC__) && defined(__x86_64__)
570 		__asm__(
571 			"decq (%0)\n\t"
572 			"jno  0f\n\t"
573 			"movl $0x00000000, (%0)\n\t"
574 			"movl $0xc3e00000, 0x4(%0)\n\t"
575 			"movb %1,%c2(%0)\n"
576 			"0:"
577 			:
578 			: "r"(&op1->value),
579 			  "n"(IS_DOUBLE),
580 			  "n"(ZVAL_OFFSETOF_TYPE)
581 			: "cc");
582 #else
583 		if (UNEXPECTED(Z_LVAL_P(op1) == LONG_MIN)) {
584 			/* switch to double */
585 			Z_DVAL_P(op1) = (double)LONG_MIN - 1.0;
586 			Z_TYPE_P(op1) = IS_DOUBLE;
587 		} else {
588 			Z_LVAL_P(op1)--;
589 		}
590 #endif
591 		return SUCCESS;
592 	}
593 	return decrement_function(op1);
594 }
595 
fast_add_function(zval * result,zval * op1,zval * op2 TSRMLS_DC)596 static zend_always_inline int fast_add_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
597 {
598 	if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
599 		if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
600 #if defined(__GNUC__) && defined(__i386__)
601 		__asm__(
602 			"movl	(%1), %%eax\n\t"
603 			"addl   (%2), %%eax\n\t"
604 			"jo     0f\n\t"
605 			"movl   %%eax, (%0)\n\t"
606 			"movb   %3, %c5(%0)\n\t"
607 			"jmp    1f\n"
608 			"0:\n\t"
609 			"fildl	(%1)\n\t"
610 			"fildl	(%2)\n\t"
611 			"faddp	%%st, %%st(1)\n\t"
612 			"movb   %4, %c5(%0)\n\t"
613 			"fstpl	(%0)\n"
614 			"1:"
615 			:
616 			: "r"(&result->value),
617 			  "r"(&op1->value),
618 			  "r"(&op2->value),
619 			  "n"(IS_LONG),
620 			  "n"(IS_DOUBLE),
621 			  "n"(ZVAL_OFFSETOF_TYPE)
622 			: "eax","cc");
623 #elif defined(__GNUC__) && defined(__x86_64__)
624 		__asm__(
625 			"movq	(%1), %%rax\n\t"
626 			"addq   (%2), %%rax\n\t"
627 			"jo     0f\n\t"
628 			"movq   %%rax, (%0)\n\t"
629 			"movb   %3, %c5(%0)\n\t"
630 			"jmp    1f\n"
631 			"0:\n\t"
632 			"fildq	(%1)\n\t"
633 			"fildq	(%2)\n\t"
634 			"faddp	%%st, %%st(1)\n\t"
635 			"movb   %4, %c5(%0)\n\t"
636 			"fstpl	(%0)\n"
637 			"1:"
638 			:
639 			: "r"(&result->value),
640 			  "r"(&op1->value),
641 			  "r"(&op2->value),
642 			  "n"(IS_LONG),
643 			  "n"(IS_DOUBLE),
644 			  "n"(ZVAL_OFFSETOF_TYPE)
645 			: "rax","cc");
646 #else
647 			/*
648 			 * 'result' may alias with op1 or op2, so we need to
649 			 * ensure that 'result' is not updated until after we
650 			 * have read the values of op1 and op2.
651 			 */
652 
653 			if (UNEXPECTED((Z_LVAL_P(op1) & LONG_SIGN_MASK) == (Z_LVAL_P(op2) & LONG_SIGN_MASK)
654 				&& (Z_LVAL_P(op1) & LONG_SIGN_MASK) != ((Z_LVAL_P(op1) + Z_LVAL_P(op2)) & LONG_SIGN_MASK))) {
655 				Z_DVAL_P(result) = (double) Z_LVAL_P(op1) + (double) Z_LVAL_P(op2);
656 				Z_TYPE_P(result) = IS_DOUBLE;
657 			} else {
658 				Z_LVAL_P(result) = Z_LVAL_P(op1) + Z_LVAL_P(op2);
659 				Z_TYPE_P(result) = IS_LONG;
660 			}
661 #endif
662 			return SUCCESS;
663 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
664 			Z_DVAL_P(result) = ((double)Z_LVAL_P(op1)) + Z_DVAL_P(op2);
665 			Z_TYPE_P(result) = IS_DOUBLE;
666 			return SUCCESS;
667 		}
668 	} else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
669 		if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
670 			Z_DVAL_P(result) = Z_DVAL_P(op1) + Z_DVAL_P(op2);
671 			Z_TYPE_P(result) = IS_DOUBLE;
672 			return SUCCESS;
673 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
674 			Z_DVAL_P(result) = Z_DVAL_P(op1) + ((double)Z_LVAL_P(op2));
675 			Z_TYPE_P(result) = IS_DOUBLE;
676 			return SUCCESS;
677 		}
678 	}
679 	return add_function(result, op1, op2 TSRMLS_CC);
680 }
681 
fast_sub_function(zval * result,zval * op1,zval * op2 TSRMLS_DC)682 static zend_always_inline int fast_sub_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
683 {
684 	if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
685 		if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
686 #if defined(__GNUC__) && defined(__i386__)
687 		__asm__(
688 			"movl	(%1), %%eax\n\t"
689 			"subl   (%2), %%eax\n\t"
690 			"jo     0f\n\t"
691 			"movl   %%eax, (%0)\n\t"
692 			"movb   %3, %c5(%0)\n\t"
693 			"jmp    1f\n"
694 			"0:\n\t"
695 			"fildl	(%2)\n\t"
696 			"fildl	(%1)\n\t"
697 #if defined(__clang__) && (__clang_major__ < 2 || (__clang_major__ == 2 && __clang_minor__ < 10))
698 			"fsubp  %%st(1), %%st\n\t"  /* LLVM bug #9164 */
699 #else
700 			"fsubp	%%st, %%st(1)\n\t"
701 #endif
702 			"movb   %4, %c5(%0)\n\t"
703 			"fstpl	(%0)\n"
704 			"1:"
705 			:
706 			: "r"(&result->value),
707 			  "r"(&op1->value),
708 			  "r"(&op2->value),
709 			  "n"(IS_LONG),
710 			  "n"(IS_DOUBLE),
711 			  "n"(ZVAL_OFFSETOF_TYPE)
712 			: "eax","cc");
713 #elif defined(__GNUC__) && defined(__x86_64__)
714 		__asm__(
715 			"movq	(%1), %%rax\n\t"
716 			"subq   (%2), %%rax\n\t"
717 			"jo     0f\n\t"
718 			"movq   %%rax, (%0)\n\t"
719 			"movb   %3, %c5(%0)\n\t"
720 			"jmp    1f\n"
721 			"0:\n\t"
722 			"fildq	(%2)\n\t"
723 			"fildq	(%1)\n\t"
724 #if defined(__clang__) && (__clang_major__ < 2 || (__clang_major__ == 2 && __clang_minor__ < 10))
725 			"fsubp  %%st(1), %%st\n\t"  /* LLVM bug #9164 */
726 #else
727 			"fsubp	%%st, %%st(1)\n\t"
728 #endif
729 			"movb   %4, %c5(%0)\n\t"
730 			"fstpl	(%0)\n"
731 			"1:"
732 			:
733 			: "r"(&result->value),
734 			  "r"(&op1->value),
735 			  "r"(&op2->value),
736 			  "n"(IS_LONG),
737 			  "n"(IS_DOUBLE),
738 			  "n"(ZVAL_OFFSETOF_TYPE)
739 			: "rax","cc");
740 #else
741 			Z_LVAL_P(result) = Z_LVAL_P(op1) - Z_LVAL_P(op2);
742 
743 			if (UNEXPECTED((Z_LVAL_P(op1) & LONG_SIGN_MASK) != (Z_LVAL_P(op2) & LONG_SIGN_MASK)
744 				&& (Z_LVAL_P(op1) & LONG_SIGN_MASK) != (Z_LVAL_P(result) & LONG_SIGN_MASK))) {
745 				Z_DVAL_P(result) = (double) Z_LVAL_P(op1) - (double) Z_LVAL_P(op2);
746 				Z_TYPE_P(result) = IS_DOUBLE;
747 			} else {
748 				Z_TYPE_P(result) = IS_LONG;
749 			}
750 #endif
751 			return SUCCESS;
752 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
753 			Z_DVAL_P(result) = ((double)Z_LVAL_P(op1)) - Z_DVAL_P(op2);
754 			Z_TYPE_P(result) = IS_DOUBLE;
755 			return SUCCESS;
756 		}
757 	} else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
758 		if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
759 			Z_DVAL_P(result) = Z_DVAL_P(op1) - Z_DVAL_P(op2);
760 			Z_TYPE_P(result) = IS_DOUBLE;
761 			return SUCCESS;
762 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
763 			Z_DVAL_P(result) = Z_DVAL_P(op1) - ((double)Z_LVAL_P(op2));
764 			Z_TYPE_P(result) = IS_DOUBLE;
765 			return SUCCESS;
766 		}
767 	}
768 	return sub_function(result, op1, op2 TSRMLS_CC);
769 }
770 
fast_mul_function(zval * result,zval * op1,zval * op2 TSRMLS_DC)771 static zend_always_inline int fast_mul_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
772 {
773 	if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
774 		if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
775 			long overflow;
776 
777 			ZEND_SIGNED_MULTIPLY_LONG(Z_LVAL_P(op1), Z_LVAL_P(op2), Z_LVAL_P(result), Z_DVAL_P(result), overflow);
778 			Z_TYPE_P(result) = overflow ? IS_DOUBLE : IS_LONG;
779 			return SUCCESS;
780 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
781 			Z_DVAL_P(result) = ((double)Z_LVAL_P(op1)) * Z_DVAL_P(op2);
782 			Z_TYPE_P(result) = IS_DOUBLE;
783 			return SUCCESS;
784 		}
785 	} else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
786 		if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
787 			Z_DVAL_P(result) = Z_DVAL_P(op1) * Z_DVAL_P(op2);
788 			Z_TYPE_P(result) = IS_DOUBLE;
789 			return SUCCESS;
790 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
791 			Z_DVAL_P(result) = Z_DVAL_P(op1) * ((double)Z_LVAL_P(op2));
792 			Z_TYPE_P(result) = IS_DOUBLE;
793 			return SUCCESS;
794 		}
795 	}
796 	return mul_function(result, op1, op2 TSRMLS_CC);
797 }
798 
fast_div_function(zval * result,zval * op1,zval * op2 TSRMLS_DC)799 static zend_always_inline int fast_div_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
800 {
801 #if 0
802 	if (EXPECTED(Z_TYPE_P(op1) == IS_LONG) && 0) {
803 		if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
804 			if (UNEXPECTED(Z_LVAL_P(op2) == 0)) {
805 				zend_error(E_WARNING, "Division by zero");
806 				Z_LVAL_P(result) = 0;
807 				Z_TYPE_P(result) = IS_BOOL;
808 				return FAILURE;
809 			} else if (UNEXPECTED(Z_LVAL_P(op2) == -1 && Z_LVAL_P(op1) == LONG_MIN)) {
810 				/* Prevent overflow error/crash */
811 				Z_DVAL_P(result) = (double) LONG_MIN / -1;
812 				Z_TYPE_P(result) = IS_DOUBLE;
813 			} else if (EXPECTED(Z_LVAL_P(op1) % Z_LVAL_P(op2) == 0)) {
814 				/* integer */
815 				Z_LVAL_P(result) = Z_LVAL_P(op1) / Z_LVAL_P(op2);
816 				Z_TYPE_P(result) = IS_LONG;
817 			} else {
818 				Z_DVAL_P(result) = ((double) Z_LVAL_P(op1)) / ((double)Z_LVAL_P(op2));
819 				Z_TYPE_P(result) = IS_DOUBLE;
820 			}
821 			return SUCCESS;
822 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
823 			if (UNEXPECTED(Z_DVAL_P(op2) == 0)) {
824 				zend_error(E_WARNING, "Division by zero");
825 				Z_LVAL_P(result) = 0;
826 				Z_TYPE_P(result) = IS_BOOL;
827 				return FAILURE;
828 			}
829 			Z_DVAL_P(result) = ((double)Z_LVAL_P(op1)) / Z_DVAL_P(op2);
830 			Z_TYPE_P(result) = IS_DOUBLE;
831 			return SUCCESS;
832 		}
833 	} else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE) && 0) {
834 		if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
835 			if (UNEXPECTED(Z_DVAL_P(op2) == 0)) {
836 				zend_error(E_WARNING, "Division by zero");
837 				Z_LVAL_P(result) = 0;
838 				Z_TYPE_P(result) = IS_BOOL;
839 				return FAILURE;
840 			}
841 			Z_DVAL_P(result) = Z_DVAL_P(op1) / Z_DVAL_P(op2);
842 			Z_TYPE_P(result) = IS_DOUBLE;
843 			return SUCCESS;
844 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
845 			if (UNEXPECTED(Z_LVAL_P(op2) == 0)) {
846 				zend_error(E_WARNING, "Division by zero");
847 				Z_LVAL_P(result) = 0;
848 				Z_TYPE_P(result) = IS_BOOL;
849 				return FAILURE;
850 			}
851 			Z_DVAL_P(result) = Z_DVAL_P(op1) / ((double)Z_LVAL_P(op2));
852 			Z_TYPE_P(result) = IS_DOUBLE;
853 			return SUCCESS;
854 		}
855 	}
856 #endif
857 	return div_function(result, op1, op2 TSRMLS_CC);
858 }
859 
fast_mod_function(zval * result,zval * op1,zval * op2 TSRMLS_DC)860 static zend_always_inline int fast_mod_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
861 {
862 	if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
863 		if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
864 			if (UNEXPECTED(Z_LVAL_P(op2) == 0)) {
865 				zend_error(E_WARNING, "Division by zero");
866 				Z_LVAL_P(result) = 0;
867 				Z_TYPE_P(result) = IS_BOOL;
868 				return FAILURE;
869 			} else if (UNEXPECTED(Z_LVAL_P(op2) == -1)) {
870 				/* Prevent overflow error/crash if op1==LONG_MIN */
871 				Z_LVAL_P(result) = 0;
872 				Z_TYPE_P(result) = IS_LONG;
873 				return SUCCESS;
874 			}
875 			Z_LVAL_P(result) = Z_LVAL_P(op1) % Z_LVAL_P(op2);
876 			Z_TYPE_P(result) = IS_LONG;
877 			return SUCCESS;
878 		}
879 	}
880 	return mod_function(result, op1, op2 TSRMLS_CC);
881 }
882 
fast_equal_function(zval * result,zval * op1,zval * op2 TSRMLS_DC)883 static zend_always_inline int fast_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
884 {
885 	if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
886 		if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
887 			return Z_LVAL_P(op1) == Z_LVAL_P(op2);
888 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
889 			return ((double)Z_LVAL_P(op1)) == Z_DVAL_P(op2);
890 		}
891 	} else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
892 		if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
893 			return Z_DVAL_P(op1) == Z_DVAL_P(op2);
894 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
895 			return Z_DVAL_P(op1) == ((double)Z_LVAL_P(op2));
896 		}
897 	}
898 	compare_function(result, op1, op2 TSRMLS_CC);
899 	return Z_LVAL_P(result) == 0;
900 }
901 
fast_not_equal_function(zval * result,zval * op1,zval * op2 TSRMLS_DC)902 static zend_always_inline int fast_not_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
903 {
904 	if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
905 		if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
906 			return Z_LVAL_P(op1) != Z_LVAL_P(op2);
907 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
908 			return ((double)Z_LVAL_P(op1)) != Z_DVAL_P(op2);
909 		}
910 	} else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
911 		if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
912 			return Z_DVAL_P(op1) != Z_DVAL_P(op2);
913 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
914 			return Z_DVAL_P(op1) != ((double)Z_LVAL_P(op2));
915 		}
916 	}
917 	compare_function(result, op1, op2 TSRMLS_CC);
918 	return Z_LVAL_P(result) != 0;
919 }
920 
fast_is_smaller_function(zval * result,zval * op1,zval * op2 TSRMLS_DC)921 static zend_always_inline int fast_is_smaller_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
922 {
923 	if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
924 		if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
925 			return Z_LVAL_P(op1) < Z_LVAL_P(op2);
926 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
927 			return ((double)Z_LVAL_P(op1)) < Z_DVAL_P(op2);
928 		}
929 	} else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
930 		if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
931 			return Z_DVAL_P(op1) < Z_DVAL_P(op2);
932 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
933 			return Z_DVAL_P(op1) < ((double)Z_LVAL_P(op2));
934 		}
935 	}
936 	compare_function(result, op1, op2 TSRMLS_CC);
937 	return Z_LVAL_P(result) < 0;
938 }
939 
fast_is_smaller_or_equal_function(zval * result,zval * op1,zval * op2 TSRMLS_DC)940 static zend_always_inline int fast_is_smaller_or_equal_function(zval *result, zval *op1, zval *op2 TSRMLS_DC)
941 {
942 	if (EXPECTED(Z_TYPE_P(op1) == IS_LONG)) {
943 		if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
944 			return Z_LVAL_P(op1) <= Z_LVAL_P(op2);
945 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
946 			return ((double)Z_LVAL_P(op1)) <= Z_DVAL_P(op2);
947 		}
948 	} else if (EXPECTED(Z_TYPE_P(op1) == IS_DOUBLE)) {
949 		if (EXPECTED(Z_TYPE_P(op2) == IS_DOUBLE)) {
950 			return Z_DVAL_P(op1) <= Z_DVAL_P(op2);
951 		} else if (EXPECTED(Z_TYPE_P(op2) == IS_LONG)) {
952 			return Z_DVAL_P(op1) <= ((double)Z_LVAL_P(op2));
953 		}
954 	}
955 	compare_function(result, op1, op2 TSRMLS_CC);
956 	return Z_LVAL_P(result) <= 0;
957 }
958 
959 #define ZEND_TRY_BINARY_OBJECT_OPERATION(opcode)                                                  \
960 	if (Z_TYPE_P(op1) == IS_OBJECT && Z_OBJ_HANDLER_P(op1, do_operation)) {                       \
961 		if (SUCCESS == Z_OBJ_HANDLER_P(op1, do_operation)(opcode, result, op1, op2 TSRMLS_CC)) {  \
962 			return SUCCESS;                                                                       \
963 		}                                                                                         \
964 	} else if (Z_TYPE_P(op2) == IS_OBJECT && Z_OBJ_HANDLER_P(op2, do_operation)) {                \
965 		if (SUCCESS == Z_OBJ_HANDLER_P(op2, do_operation)(opcode, result, op1, op2 TSRMLS_CC)) {  \
966 			return SUCCESS;                                                                       \
967 		}                                                                                         \
968 	}
969 
970 #define ZEND_TRY_UNARY_OBJECT_OPERATION(opcode)                                                   \
971 	if (Z_TYPE_P(op1) == IS_OBJECT && Z_OBJ_HANDLER_P(op1, do_operation)                          \
972 	 && SUCCESS == Z_OBJ_HANDLER_P(op1, do_operation)(opcode, result, op1, NULL TSRMLS_CC)        \
973 	) {                                                                                           \
974 		return SUCCESS;                                                                           \
975 	}
976 
977 #endif
978 
979 /*
980  * Local variables:
981  * tab-width: 4
982  * c-basic-offset: 4
983  * indent-tabs-mode: t
984  * End:
985  */
986