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 #include "php_psi_posix.h"
33 struct psi_decl_type
*psi_decl_type_init(token_t type
, const char *name
)
35 struct psi_decl_type
*t
= calloc(1, sizeof(*t
));
37 t
->name
= strdup(name
);
41 void psi_decl_type_free(struct psi_decl_type
**type_ptr
)
44 struct psi_decl_type
*type
= *type_ptr
;
50 if (type
->type
== PSI_T_FUNCTION
) {
51 psi_decl_free(&type
->real
.func
);
58 struct psi_decl_type
*psi_decl_type_copy(struct psi_decl_type
*src
)
60 struct psi_decl_type
*dst
= calloc(1, sizeof(*dst
));
62 dst
->type
= src
->type
;
64 dst
->name
= strdup(src
->name
);
67 dst
->token
= psi_token_copy(src
->token
);
72 struct psi_plist
*psi_decl_type_get_args(struct psi_decl_type
*dtyp
,
73 struct psi_decl_type
**real_typ_ptr
)
75 struct psi_decl_type
*var_typ
;
77 var_typ
= psi_decl_type_get_real(dtyp
);
79 *real_typ_ptr
= var_typ
;
82 switch (var_typ
->type
) {
84 return var_typ
->real
.strct
->args
;
86 return var_typ
->real
.unn
->args
;
92 size_t psi_decl_type_get_size(struct psi_decl_type
*dtyp
,
93 struct psi_decl_type
**real_typ_ptr
)
95 struct psi_decl_type
*var_typ
;
97 var_typ
= psi_decl_type_get_real(dtyp
);
99 *real_typ_ptr
= var_typ
;
102 switch (var_typ
->type
) {
104 return var_typ
->real
.strct
? var_typ
->real
.strct
->size
: 0;
106 return var_typ
->real
.unn
? var_typ
->real
.unn
->size
: 0;
108 return psi_t_size(var_typ
->type
);
112 bool psi_decl_type_get_alias(struct psi_decl_type
*type
, struct psi_plist
*defs
)
115 struct psi_std_type
*stdtyp
;
116 struct psi_decl_arg
*def
;
118 if (type
->real
.def
) {
122 while (psi_plist_get(defs
, i
++, &def
)) {
123 if (!strcmp(def
->var
->name
, type
->name
)) {
124 type
->real
.def
= def
;
129 for (stdtyp
= &psi_std_types
[0]; stdtyp
->type_tag
; ++stdtyp
) {
130 if (!strcmp(type
->name
, stdtyp
->alias
?: stdtyp
->type_name
)) {
131 type
->type
= stdtyp
->type_tag
;
139 bool psi_decl_type_get_struct(struct psi_decl_type
*type
, struct psi_plist
*structs
)
142 struct psi_decl_struct
*s
;
144 if (type
->real
.strct
) {
148 while (psi_plist_get(structs
, i
++, &s
)) {
149 if (!strcmp(s
->name
, type
->name
)) {
150 type
->real
.strct
= s
;
158 bool psi_decl_type_get_union(struct psi_decl_type
*type
, struct psi_plist
*unions
)
161 struct psi_decl_union
*u
;
163 if (type
->real
.unn
) {
167 while (psi_plist_get(unions
, i
++, &u
)) {
168 if (!strcmp(u
->name
, type
->name
)) {
177 bool psi_decl_type_get_enum(struct psi_decl_type
*type
, struct psi_plist
*enums
)
180 struct psi_decl_enum
*e
;
182 if (type
->real
.enm
) {
186 while (psi_plist_get(enums
, i
++, &e
)) {
187 if (!strcmp(e
->name
, type
->name
)) {
196 bool psi_decl_type_get_decl(struct psi_decl_type
*type
, struct psi_plist
*decls
)
199 struct psi_decl
*decl
;
201 if (type
->real
.func
) {
205 while (psi_plist_get(decls
, i
++, &decl
)) {
206 if (!strcmp(decl
->func
->var
->name
, type
->name
)) {
207 type
->real
.func
= decl
;
215 bool psi_decl_type_validate(struct psi_data
*data
, struct psi_decl_type
*type
,
216 struct psi_decl_arg
*def
, struct psi_validate_scope
*scope
)
218 if (psi_decl_type_is_weak(type
)) {
219 if (!psi_decl_type_get_alias(type
, data
->types
)) {
220 if (!psi_validate_scope_has_type(scope
, type
->name
)) {
223 type
->real
.def
= psi_validate_scope_get_type(scope
, type
->name
);
225 if (type
->real
.def
) {
226 if (!psi_decl_type_validate(data
, type
->real
.def
->type
,
227 type
->real
.def
, scope
)) {
231 def
->var
->pointer_level
+= type
->real
.def
->var
->pointer_level
;
237 switch (type
->type
) {
239 if (!psi_decl_type_get_struct(type
, data
->structs
)) {
240 if (psi_validate_scope_has_struct(scope
, type
->name
)) {
241 type
->real
.strct
= psi_validate_scope_get_struct(scope
, type
->name
);
242 } else if (def
&& def
->var
->pointer_level
) {
245 data
->error(data
, type
->token
, PSI_WARNING
,
246 "Unknown struct '%s'", type
->name
);
250 if (!psi_decl_struct_validate(data
, type
->real
.strct
, scope
)) {
255 if (!psi_decl_type_get_union(type
, data
->unions
)) {
256 if (psi_validate_scope_has_union(scope
, type
->name
)) {
257 type
->real
.unn
= psi_validate_scope_get_union(scope
, type
->name
);
258 } else if (def
&& def
->var
->pointer_level
) {
261 data
->error(data
, type
->token
, PSI_WARNING
,
262 "Unknown union '%s'", type
->name
);
266 if (!psi_decl_union_validate(data
, type
->real
.unn
, scope
)) {
271 if (!psi_decl_type_get_enum(type
, data
->enums
)) {
272 data
->error(data
, type
->token
, PSI_WARNING
,
273 "Unknown enum '%s'", type
->name
);
278 if (!psi_decl_type_get_decl(type
, data
->decls
)) {
279 data
->error(data
, type
->token
, PSI_WARNING
,
280 "Unknown decl '%s'", type
->name
);
283 if (!psi_decl_validate_nodl(data
, type
->real
.func
, scope
)) {
294 void psi_decl_type_dump_args_with_layout(int fd
, struct psi_plist
*args
,
301 struct psi_decl_arg
*sarg
;
304 while (psi_plist_get(args
, i
++, &sarg
)) {
305 dprintf(fd
, "%s", psi_t_indent(level
));
306 psi_decl_arg_dump(fd
, sarg
, level
);
308 if (sarg
->layout
->bfw
) {
309 dprintf(fd
, ":%zu", sarg
->layout
->bfw
->len
);
311 dprintf(fd
, "::(%zu, %zu);\n", sarg
->layout
->pos
,
319 dprintf(fd
, "%s", psi_t_indent(level
));
323 void psi_decl_type_dump(int fd
, struct psi_decl_type
*t
, unsigned level
)
327 dprintf(fd
, "%s *", t
->name
);
331 dprintf(fd
, "enum ");
332 if (psi_decl_type_is_anon(t
->name
, "enum")) {
333 size_t i
= 0, c
= psi_plist_count(t
->real
.enm
->items
);
334 struct psi_decl_enum_item
*item
;
338 while (psi_plist_get(t
->real
.enm
->items
, i
++, &item
)) {
339 dprintf(fd
, "%s", psi_t_indent(level
));
340 psi_decl_enum_item_dump(fd
, item
);
342 dprintf(fd
, "%s\n", i
< c
? "," : "");
346 dprintf(fd
, "%s\n} ", psi_t_indent(level
));
352 dprintf(fd
, "struct ");
353 if (psi_decl_type_is_anon(t
->name
, "struct")) {
354 psi_decl_type_dump_args_with_layout(fd
, t
->real
.strct
->args
, level
);
360 dprintf(fd
, "union ");
361 if (psi_decl_type_is_anon(t
->name
, "union")) {
362 psi_decl_type_dump_args_with_layout(fd
, t
->real
.unn
->args
, level
);
368 psi_decl_type_dump(fd
, t
->real
.func
->func
->type
, level
);
375 dprintf(fd
, "%s", t
->name
);
378 int psi_decl_type_is_weak(struct psi_decl_type
*type
)
380 switch (type
->type
) {
394 struct psi_decl_type
*psi_decl_type_get_real(struct psi_decl_type
*type
)
396 while (psi_decl_type_is_weak(type
) && type
->real
.def
) {
397 type
= type
->real
.def
->type
;
402 size_t psi_decl_type_get_align(struct psi_decl_type
*t
)
404 struct psi_decl_type
*real
= psi_decl_type_get_real(t
);
407 switch (real
->type
) {
409 align
= psi_decl_struct_get_align(real
->real
.strct
);
412 align
= psi_decl_union_get_align(real
->real
.unn
);
416 align
= psi_t_alignment(real
->type
);
423 size_t psi_decl_type_get_args_align(struct psi_plist
*args
)
425 size_t i
= 0, maxalign
= 0;
426 struct psi_decl_arg
*darg
;
428 while (psi_plist_get(args
, i
++, &darg
)) {
429 size_t align
= psi_decl_arg_get_align(darg
);
431 if (align
> maxalign
) {