1 /*******************************************************************************
2 Copyright (c) 2016, Michael Wallner <mike@php.net>.
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are met:
8 * Redistributions of source code must retain the above copyright notice,
9 this list of conditions and the following disclaimer.
10 * Redistributions in binary form must reproduce the above copyright
11 notice, this list of conditions and the following disclaimer in the
12 documentation and/or other materials provided with the distribution.
14 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
18 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *******************************************************************************/
26 #include "php_psi_stdinc.h"
35 struct psi_number
*psi_number_init(token_t t
, void *num
)
37 struct psi_number
*exp
= calloc(1, sizeof(*exp
));
39 switch (exp
->type
= t
) {
41 exp
->data
.ival
.i64
= *(int8_t *) num
;
44 exp
->data
.ival
.i64
= *(uint8_t *) num
;
47 exp
->data
.ival
.i64
= *(int16_t *) num
;
50 exp
->data
.ival
.i64
= *(uint16_t *) num
;
53 exp
->data
.ival
.i64
= *(int32_t *) num
;
56 exp
->data
.ival
.i64
= *(uint32_t *) num
;
59 exp
->data
.ival
.i64
= *(int64_t *) num
;
62 exp
->data
.ival
.i64
= *(uint64_t *) num
;
65 exp
->data
.ival
.dval
= *(float *) num
;
68 exp
->data
.ival
.dval
= *(double *) num
;
73 exp
->data
.numb
= strdup(num
);
88 struct psi_number
*psi_number_copy(struct psi_number
*exp
)
90 struct psi_number
*num
= calloc(1, sizeof(*num
));
95 num
->token
= psi_token_copy(num
->token
);
106 num
->data
.numb
= strdup(num
->data
.numb
);
109 num
->data
.dvar
= psi_decl_var_copy(num
->data
.dvar
);
112 num
->data
.call
= psi_cpp_macro_call_copy(num
->data
.call
);
120 void psi_number_free(struct psi_number
**exp_ptr
)
123 struct psi_number
*exp
= *exp_ptr
;
136 psi_cpp_macro_call_free(&exp
->data
.call
);
141 free(exp
->data
.numb
);
144 psi_decl_var_free(&exp
->data
.dvar
);
153 void psi_number_dump(int fd
, struct psi_number
*exp
)
157 dprintf(fd
, "%" PRId64
, exp
->data
.ival
.i64
);
160 dprintf(fd
, "%F", exp
->data
.ival
.dval
);
165 dprintf(fd
, "%s", exp
->data
.numb
);
168 dprintf(fd
, "%s", exp
->data
.cnst
->name
);
171 dprintf(fd
, "%s", exp
->data
.enm
->name
);
174 psi_decl_var_dump(fd
, exp
->data
.dvar
);
181 static inline bool psi_number_validate_enum(struct psi_data
*data
, struct psi_number
*exp
,
182 struct psi_decl_enum
*enm
)
185 struct psi_decl_enum_item
*itm
;
187 while (psi_plist_get(enm
->items
, i
++, &itm
)) {
188 if (!strcmp(itm
->name
, exp
->data
.dvar
->name
)) {
189 psi_decl_var_free(&exp
->data
.dvar
);
190 exp
->type
= PSI_T_ENUM
;
192 return psi_number_validate(data
, exp
, NULL
, NULL
, NULL
, NULL
, enm
);
199 bool psi_number_validate(struct psi_data
*data
, struct psi_number
*exp
,
200 struct psi_impl
*impl
, struct psi_decl
*cb_decl
, struct psi_let_exp
*current_let
,
201 struct psi_set_exp
*current_set
, struct psi_decl_enum
*current_enum
)
205 struct psi_const
*cnst
;
206 struct psi_decl_enum
*enm
;
218 if (current_enum
&& psi_number_validate_enum(data
, exp
, current_enum
)) {
221 while (psi_plist_get(data
->enums
, i
++, &enm
)) {
222 if (psi_number_validate_enum(data
, exp
, enm
)) {
226 if (exp
->data
.dvar
->arg
) {
229 if (psi_decl_var_validate(data
, exp
->data
.dvar
, impl
? impl
->decl
: NULL
,
230 current_let
, current_set
)) {
233 if (cb_decl
&& psi_decl_var_validate(data
, exp
->data
.dvar
, cb_decl
, NULL
, NULL
)) {
236 data
->error(data
, exp
->token
, PSI_WARNING
,
237 "Unknown variable '%s' in numeric expression",
238 exp
->data
.dvar
->name
);
242 while (psi_plist_get(data
->consts
, i
++, &cnst
)) {
243 if (!strcmp(cnst
->name
, exp
->data
.numb
)) {
244 free(exp
->data
.numb
);
245 exp
->type
= PSI_T_CONST
;
246 exp
->data
.cnst
= cnst
;
250 data
->error(data
, exp
->token
, PSI_WARNING
,
251 "Unknown constant '%s' in numeric expression",
256 switch (is_numeric_string(exp
->data
.numb
, strlen(exp
->data
.numb
), (zend_long
*) &tmp
, (double *) &tmp
, 0)) {
258 free(exp
->data
.numb
);
259 exp
->type
= PSI_T_INT64
;
260 exp
->data
.ival
.i64
= tmp
.zend
.lval
;
264 free(exp
->data
.numb
);
265 exp
->type
= PSI_T_DOUBLE
;
266 exp
->data
.ival
.dval
= tmp
.dval
;
269 data
->error(data
, exp
->token
, PSI_WARNING
, "Expected numeric entity (parser error?)");
279 #include "Zend/zend_constants.h"
281 static inline token_t
psi_number_eval_constant(struct psi_number
*exp
,
282 impl_val
*res
, struct psi_call_frame
*frame
)
284 switch (exp
->data
.cnst
->type
->type
) {
286 res
->i64
= zend_get_constant_str(exp
->data
.cnst
->name
,
287 strlen(exp
->data
.cnst
->name
))->value
.lval
;
288 if (frame
) PSI_DEBUG_PRINT(frame
->context
, " %" PRIi64
, res
->i64
);
291 res
->dval
= zend_get_constant_str(exp
->data
.cnst
->name
,
292 strlen(exp
->data
.cnst
->name
))->value
.dval
;
293 if (frame
) PSI_DEBUG_PRINT(frame
->context
, " %" PRIdval
, res
->dval
);
296 if (frame
) PSI_DEBUG_PRINT(frame
->context
, " ?(t=%d)", exp
->data
.cnst
->type
->type
);
302 static inline token_t
psi_number_eval_decl_var(struct psi_number
*exp
,
303 impl_val
*res
, struct psi_call_frame
*frame
)
306 struct psi_call_frame_symbol
*sym
;
307 struct psi_decl_type
*real
;
310 real
= psi_decl_type_get_real(exp
->data
.dvar
->arg
->type
);
311 size
= psi_decl_arg_get_size(exp
->data
.dvar
->arg
);
312 sym
= psi_call_frame_fetch_symbol(frame
, exp
->data
.dvar
);
313 ref
= deref_impl_val(sym
->ptr
, exp
->data
.dvar
);
315 memcpy(res
, ref
, size
);
320 static inline token_t
psi_number_eval_define(struct psi_number
*exp
,
321 impl_val
*res
, HashTable
*defs
)
323 struct psi_cpp_macro_decl
*macro
= zend_hash_str_find_ptr(defs
, exp
->data
.numb
, strlen(exp
->data
.numb
));
331 token_t
psi_number_eval(struct psi_number
*exp
, impl_val
*res
, struct psi_call_frame
*frame
, HashTable
*defs
)
335 *res
= exp
->data
.ival
;
336 if (frame
) PSI_DEBUG_PRINT(frame
->context
, " %" PRIi64
, res
->i64
);
340 *res
= exp
->data
.ival
;
341 if (frame
) PSI_DEBUG_PRINT(frame
->context
, " %" PRIdval
, res
->dval
);
345 res
->i64
= exp
->data
.enm
->val
;
346 if (frame
) PSI_DEBUG_PRINT(frame
->context
, " %" PRIi64
, res
->i64
);
350 return psi_number_eval_constant(exp
, res
, frame
);
353 return psi_number_eval_decl_var(exp
, res
, frame
);
356 return psi_number_eval_define(exp
, res
, defs
);