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"
29 struct psi_set_func
*psi_set_func_init(token_t type
, const char *name
,
30 struct psi_decl_var
*var
)
32 struct psi_set_func
*func
= calloc(1, sizeof(*func
));
35 func
->name
= strdup(name
);
41 void psi_set_func_free(struct psi_set_func
**func_ptr
)
44 struct psi_set_func
*func
= *func_ptr
;
50 psi_decl_var_free(&func
->var
);
56 void psi_set_func_dump(int fd
, struct psi_set_func
*func
, unsigned level
)
58 dprintf(fd
, "%s(", func
->name
);
59 psi_decl_var_dump(fd
, func
->var
);
60 dprintf(fd
, "\t/* fqn=%s */", func
->var
->fqn
);
61 if (func
->inner
&& !func
->recursive
) {
62 size_t i
= 0, count
= psi_plist_count(func
->inner
);
63 struct psi_set_exp
*inner
;
67 while (psi_plist_get(func
->inner
, i
++, &inner
)) {
69 psi_set_exp_dump(fd
, inner
, level
, i
== count
);
73 if (func
->recursive
) {
76 if (func
->inner
&& !func
->recursive
) {
77 dprintf(fd
, "\n%s", psi_t_indent(level
));
82 static inline bool psi_set_func_validate_to_string(struct psi_data
*data
,
83 struct psi_set_func
*func
, struct psi_set_exp
*set
,
84 struct psi_impl
*impl
)
86 struct psi_set_exp
*sub_exp
;
88 psi_plist_get(func
->inner
, 0, &sub_exp
);
90 switch (psi_plist_count(func
->inner
)) {
92 data
->error(data
, **(struct psi_token
***) &sub_exp
->data
, PSI_WARNING
,
93 "Unexpected sub-expressions");
97 if (sub_exp
->kind
!= PSI_SET_NUMEXP
) {
98 data
->error(data
, **(struct psi_token
***) &sub_exp
->data
,
99 PSI_WARNING
, "Expected numeric expression");
102 func
->handler
= psi_set_to_stringl
;
106 func
->handler
= psi_set_to_string
;
111 static inline bool psi_set_func_validate_to_array(struct psi_data
*data
,
112 struct psi_set_func
*func
, struct psi_set_exp
*set
,
113 struct psi_impl
*impl
)
115 struct psi_set_exp
*sub_exp
;
116 struct psi_decl_var
*set_var
= psi_set_exp_get_decl_var(set
);
118 switch (psi_plist_count(set
->inner
)) {
120 if (func
->recursive
) {
121 func
->handler
= psi_set_to_recursive
;
122 set
->inner
= func
->inner
= set
->outer
->inner
;
125 data
->error(data
, func
->token
, PSI_WARNING
,
126 "Expected sub-expressions in to_array() cast expression");
130 psi_plist_get(set
->inner
, 0, &sub_exp
);
131 if (sub_exp
->kind
!= PSI_SET_FUNC
) {
132 data
->error(data
, **(struct psi_token
***) &sub_exp
->data
,
133 PSI_WARNING
, "Expected to_type() cast expression");
136 if (strcmp(set_var
->name
, psi_set_exp_get_decl_var(sub_exp
)->name
)) {
137 /* no warning, because of ambiguity with a one-field-struct monstrosity */
140 func
->handler
= psi_set_to_array_simple
;
144 psi_plist_get(set
->inner
, 0, &sub_exp
);
145 if (sub_exp
->kind
!= PSI_SET_NUMEXP
) {
148 psi_plist_get(set
->inner
, 1, &sub_exp
);
149 if (sub_exp
->kind
!= PSI_SET_FUNC
) {
150 data
->error(data
, **(struct psi_token
***) &sub_exp
->data
,
151 PSI_WARNING
, "Expected to_type() cast expression");
154 if (strcmp(set_var
->name
, psi_set_exp_get_decl_var(sub_exp
)->name
)) {
155 data
->error(data
, **(struct psi_token
***) &sub_exp
->data
,
157 "Expected %s(%s) cast expression to reference the same"
158 " variable like the outer `set` statement, '%s'",
159 sub_exp
->data
.func
->name
,
160 psi_set_exp_get_decl_var(sub_exp
)->name
, set_var
);
163 func
->handler
= psi_set_to_array_counted
;
168 switch (psi_decl_type_get_real(set_var
->arg
->type
)->type
) {
173 data
->error(data
, func
->token
, PSI_WARNING
,
174 "Expected struct or union type for complex to_array()"
175 " cast expression, got '%s'",
176 set_var
->arg
->type
->name
);
179 func
->handler
= psi_set_to_array
;
184 static inline bool psi_set_func_validate_to_recursive(struct psi_data
*data
,
185 struct psi_set_func
*func
, struct psi_set_exp
*set
,
186 struct psi_impl
*impl
)
189 || set
->outer
->kind
!= PSI_SET_FUNC
190 || set
->outer
->data
.func
->type
!= PSI_T_TO_ARRAY
) {
191 data
->error(data
, func
->token
, PSI_WARNING
,
192 "Expected to_array() as parent to recursion in `set` statement"
193 " of implementation '%s'",
198 func
->handler
= psi_set_to_recursive
;
199 set
->inner
= set
->outer
->inner
;
200 // FIXME validate recursive type
204 bool psi_set_func_validate(struct psi_data
*data
, struct psi_set_func
*func
,
205 struct psi_validate_scope
*scope
)
207 struct psi_set_exp
*set
= scope
->current_set
;
209 if (!psi_decl_var_validate(data
, func
->var
, scope
)
210 && !psi_impl_get_temp_let_arg(scope
->impl
, func
->var
)) {
211 data
->error(data
, func
->var
->token
, PSI_WARNING
,
212 "Unknown variable '%s' in implementation %s",
213 func
->var
->name
, scope
->impl
->func
->name
);
218 if (set
->outer
->kind
!= PSI_SET_FUNC
) {
219 data
->error(data
, func
->token
, PSI_WARNING
,
220 "Unexpected sub-expression, expected to_type() cast");
225 if (func
->inner
&& (!set
->outer
|| set
->outer
->inner
!= func
->inner
)) {
227 struct psi_set_exp
*inner
;
229 while (psi_plist_get(func
->inner
, i
++, &inner
)) {
230 struct psi_decl_var
*sub_var
;
231 struct psi_plist
*sub_args
;
234 scope
->current_set
= inner
;
236 /* skip to "fail:" if field does not exists */
237 sub_var
= psi_set_exp_get_decl_var(inner
);
238 sub_args
= psi_decl_type_get_args(func
->var
->arg
->type
, NULL
);
239 if (sub_var
&& sub_args
) {
240 if (!psi_decl_arg_get_by_var(sub_var
, sub_args
, NULL
)) {
245 if (psi_set_exp_validate(data
, inner
, scope
)) {
246 scope
->current_set
= set
;
250 scope
->current_set
= set
;
251 /* remove expr for portability with different struct members */
252 psi_plist_del(func
->inner
, --i
, NULL
);
253 psi_set_exp_free(&inner
);
257 switch (func
->type
) {
259 func
->handler
= psi_set_void
;
262 func
->handler
= psi_set_zval
;
265 func
->handler
= psi_set_to_bool
;
268 func
->handler
= psi_set_to_int
;
271 func
->handler
= psi_set_to_float
;
273 case PSI_T_TO_OBJECT
:
274 func
->handler
= psi_set_to_object
;
276 case PSI_T_TO_STRING
:
277 if (!psi_set_func_validate_to_string(data
, func
, set
, scope
->impl
)) {
282 if (!psi_set_func_validate_to_array(data
, func
, set
, scope
->impl
)) {
287 data
->error(data
, func
->token
, PSI_WARNING
,
288 "Unknown cast '%s' in `set` statement of implementation '%s'",
289 func
->name
, scope
->impl
->func
->name
);