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 (def
->type
->type
!= type
->type
124 && !strcmp(def
->var
->name
, type
->name
)) {
125 type
->real
.def
= def
;
130 for (stdtyp
= &psi_std_types
[0]; stdtyp
->type_tag
; ++stdtyp
) {
131 if (!strcmp(type
->name
, stdtyp
->alias
?: stdtyp
->type_name
)) {
132 type
->type
= stdtyp
->type_tag
;
140 bool psi_decl_type_get_struct(struct psi_decl_type
*type
, struct psi_plist
*structs
)
143 struct psi_decl_struct
*s
;
145 if (type
->real
.strct
) {
149 while (psi_plist_get(structs
, i
++, &s
)) {
150 if (!strcmp(s
->name
, type
->name
)) {
151 type
->real
.strct
= s
;
159 bool psi_decl_type_get_union(struct psi_decl_type
*type
, struct psi_plist
*unions
)
162 struct psi_decl_union
*u
;
164 if (type
->real
.unn
) {
168 while (psi_plist_get(unions
, i
++, &u
)) {
169 if (!strcmp(u
->name
, type
->name
)) {
178 bool psi_decl_type_get_enum(struct psi_decl_type
*type
, struct psi_plist
*enums
)
181 struct psi_decl_enum
*e
;
183 if (type
->real
.enm
) {
187 while (psi_plist_get(enums
, i
++, &e
)) {
188 if (!strcmp(e
->name
, type
->name
)) {
197 bool psi_decl_type_get_decl(struct psi_decl_type
*type
, struct psi_plist
*decls
)
200 struct psi_decl
*decl
;
202 if (type
->real
.func
) {
206 while (psi_plist_get(decls
, i
++, &decl
)) {
207 if (!strcmp(decl
->func
->var
->name
, type
->name
)) {
208 type
->real
.func
= decl
;
216 bool psi_decl_type_validate(struct psi_data
*data
, struct psi_decl_type
*type
,
217 bool is_pointer
, struct psi_validate_stack
*type_stack
)
219 if (psi_decl_type_is_weak(type
)) {
220 if (!psi_decl_type_get_alias(type
, data
->types
)) {
221 if (!psi_validate_stack_has_type(type_stack
, type
->name
)) {
224 type
->real
.def
= psi_validate_stack_get_type(type_stack
, type
->name
);
226 if (type
->real
.def
) {
227 return psi_decl_type_validate(data
, type
->real
.def
->type
,
228 is_pointer
, type_stack
);
233 switch (type
->type
) {
235 if (!psi_decl_type_get_struct(type
, data
->structs
)) {
236 if (psi_validate_stack_has_struct(type_stack
, type
->name
)) {
237 type
->real
.strct
= psi_validate_stack_get_struct(type_stack
, type
->name
);
238 } else if (is_pointer
) {
241 data
->error(data
, type
->token
, PSI_WARNING
,
242 "Unknown struct '%s'", type
->name
);
246 if (!psi_decl_struct_validate(data
, type
->real
.strct
, type_stack
)) {
251 if (!psi_decl_type_get_union(type
, data
->unions
)) {
252 if (psi_validate_stack_has_union(type_stack
, type
->name
)) {
253 type
->real
.unn
= psi_validate_stack_get_union(type_stack
, type
->name
);
254 } else if (is_pointer
) {
257 data
->error(data
, type
->token
, PSI_WARNING
,
258 "Unknown union '%s'", type
->name
);
262 if (!psi_decl_union_validate(data
, type
->real
.unn
, type_stack
)) {
267 if (!psi_decl_type_get_enum(type
, data
->enums
)) {
268 data
->error(data
, type
->token
, PSI_WARNING
,
269 "Unknown enum '%s'", type
->name
);
274 if (!psi_decl_type_get_decl(type
, data
->decls
)) {
275 data
->error(data
, type
->token
, PSI_WARNING
,
276 "Unknown decl '%s'", type
->name
);
279 if (!psi_decl_validate_nodl(data
, type
->real
.func
, type_stack
)) {
290 void psi_decl_type_dump_args_with_layout(int fd
, struct psi_plist
*args
,
297 struct psi_decl_arg
*sarg
;
300 while (psi_plist_get(args
, i
++, &sarg
)) {
301 dprintf(fd
, "%s", psi_t_indent(level
));
302 psi_decl_arg_dump(fd
, sarg
, level
);
303 if (sarg
->layout
->bfw
) {
304 dprintf(fd
, ":%zu", sarg
->layout
->bfw
->len
);
306 dprintf(fd
, "::(%zu, %zu);\n", sarg
->layout
->pos
,
311 dprintf(fd
, "%s", psi_t_indent(level
));
315 void psi_decl_type_dump(int fd
, struct psi_decl_type
*t
, unsigned level
)
319 dprintf(fd
, "%s *", t
->name
);
323 dprintf(fd
, "enum ");
324 if (psi_decl_type_is_anon(t
->name
, "enum")) {
325 size_t i
= 0, c
= psi_plist_count(t
->real
.enm
->items
);
326 struct psi_decl_enum_item
*item
;
330 while (psi_plist_get(t
->real
.enm
->items
, i
++, &item
)) {
331 dprintf(fd
, "%s", psi_t_indent(level
));
332 psi_decl_enum_item_dump(fd
, item
);
334 dprintf(fd
, "%s\n", i
< c
? "," : "");
338 dprintf(fd
, "%s\n} ", psi_t_indent(level
));
344 dprintf(fd
, "struct ");
345 if (psi_decl_type_is_anon(t
->name
, "struct")) {
346 psi_decl_type_dump_args_with_layout(fd
, t
->real
.strct
->args
, level
);
352 dprintf(fd
, "union ");
353 if (psi_decl_type_is_anon(t
->name
, "union")) {
354 psi_decl_type_dump_args_with_layout(fd
, t
->real
.unn
->args
, level
);
359 dprintf(fd
, "%s", t
->name
);
362 int psi_decl_type_is_weak(struct psi_decl_type
*type
)
364 switch (type
->type
) {
378 struct psi_decl_type
*psi_decl_type_get_real(struct psi_decl_type
*type
)
380 while (psi_decl_type_is_weak(type
) && type
->real
.def
) {
381 type
= type
->real
.def
->type
;
386 size_t psi_decl_type_get_align(struct psi_decl_type
*t
)
388 struct psi_decl_type
*real
= psi_decl_type_get_real(t
);
391 switch (real
->type
) {
393 align
= psi_decl_struct_get_align(real
->real
.strct
);
396 align
= psi_decl_union_get_align(real
->real
.unn
);
400 align
= psi_t_alignment(real
->type
);
406 size_t psi_decl_type_get_args_align(struct psi_plist
*args
)
408 size_t i
= 0, maxalign
= 0;
409 struct psi_decl_arg
*darg
;
411 while (psi_plist_get(args
, i
++, &darg
)) {
412 size_t align
= psi_decl_arg_get_align(darg
);
414 if (align
> maxalign
) {