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"
31 struct psi_decl_arg
*psi_decl_arg_init(struct psi_decl_type
*type
,
32 struct psi_decl_var
*var
)
34 struct psi_decl_arg
*arg
= calloc(1, sizeof(*arg
));
35 arg
->token
= var
->token
;
42 void psi_decl_arg_free(struct psi_decl_arg
**arg_ptr
)
45 struct psi_decl_arg
*arg
= *arg_ptr
;
48 if (arg
->token
&& arg
->token
!= arg
->var
->token
) {
51 psi_decl_type_free(&arg
->type
);
52 psi_decl_var_free(&arg
->var
);
54 psi_layout_free(&arg
->layout
);
60 void psi_decl_arg_dump(int fd
, struct psi_decl_arg
*arg
, unsigned level
)
62 if (arg
->type
->type
== PSI_T_FUNCTION
) {
63 psi_decl_type_dump(fd
, arg
->type
->real
.func
->func
->type
, level
);
65 psi_decl_var_dump(fd
, arg
->var
);
67 if (arg
->type
->real
.func
->args
) {
69 struct psi_decl_arg
*farg
;
72 while (psi_plist_get(arg
->type
->real
.func
->args
, j
++, &farg
)) {
76 psi_decl_arg_dump(fd
, farg
, level
);
79 if (arg
->type
->real
.func
->varargs
) {
85 psi_decl_type_dump(fd
, arg
->type
, level
);
87 psi_decl_var_dump(fd
, arg
->var
);
91 bool psi_decl_arg_validate(struct psi_data
*data
, struct psi_decl_arg
*arg
)
93 if (!psi_decl_type_validate(data
, arg
->type
, NULL
)) {
94 data
->error(data
, arg
->type
->token
, PSI_WARNING
,
95 "Cannot use '%s' as type for '%s': %s", arg
->type
->name
,
96 arg
->var
->name
, data
->last_error
);
102 bool psi_decl_arg_validate_typedef(struct psi_data
*data
, struct psi_decl_arg
*def
)
104 if (!psi_decl_type_validate(data
, def
->type
, def
)) {
107 switch (def
->type
->type
) {
121 data
->error(data
, def
->token
, PSI_WARNING
,
122 "Type '%s' cannot be aliased to '%s%s': %s", def
->var
->name
, pre
,
123 def
->type
->name
, data
->last_error
);
126 if (def
->type
->type
== PSI_T_VOID
) {
127 if (def
->var
->pointer_level
) {
128 def
->type
->type
= PSI_T_POINTER
;
130 data
->error(data
, def
->token
, PSI_WARNING
,
131 "Type '%s' cannot be aliased to 'void'", def
->type
->name
);
139 size_t psi_decl_arg_align(struct psi_decl_arg
*darg
, size_t *pos
, size_t *len
)
141 size_t align
= psi_decl_arg_get_align(darg
);
145 *len
= psi_decl_arg_get_size(darg
);
146 *pos
= psi_align(align
, *pos
);
151 size_t psi_decl_arg_get_align(struct psi_decl_arg
*darg
)
155 if (darg
->var
->pointer_level
156 && (!darg
->var
->array_size
|| darg
->var
->pointer_level
> 2)) {
157 align
= psi_t_alignment(PSI_T_POINTER
);
159 align
= psi_decl_type_get_align(darg
->type
);
165 size_t psi_decl_arg_get_size(struct psi_decl_arg
*darg
)
168 struct psi_decl_type
*real
= psi_decl_type_get_real(darg
->type
);
170 if (darg
->var
->array_size
) {
171 if (darg
->var
->pointer_level
> 2) {
172 size
= psi_t_size(PSI_T_POINTER
) * darg
->var
->array_size
;
174 size
= psi_t_size(real
->type
) * darg
->var
->array_size
;
176 } else if (darg
->var
->pointer_level
) {
177 size
= psi_t_size(PSI_T_POINTER
);
179 switch (real
->type
) {
181 size
= real
->real
.unn
->size
;
184 size
= real
->real
.strct
->size
;
188 size
= psi_t_size(real
->type
);
196 struct psi_decl_arg
*psi_decl_arg_get_by_name(struct psi_plist
*args
,
200 struct psi_decl_arg
*arg
;
203 while (psi_plist_get(args
, i
++, &arg
)) {
204 if (!strcmp(name
, arg
->var
->name
)) {
212 struct psi_decl_arg
*psi_decl_arg_get_by_var(struct psi_decl_var
*var
,
213 struct psi_plist
*args
, struct psi_decl_arg
*func
)
215 struct psi_decl_arg
*arg
= psi_decl_arg_get_by_name(args
, var
->name
);
218 assert(!var
->arg
|| var
->arg
== arg
);
220 return var
->arg
= arg
;
223 if (func
&& !strcmp(var
->name
, func
->var
->name
)) {
224 return var
->arg
= func
;