8 #ifdef HAVE_SYS_TYPES_H
9 # include <sys/types.h>
11 #ifdef HAVE_SYS_STAT_H
12 # include <sys/stat.h>
23 # if !defined STDC_HEADERS && defined HAVE_MEMORY_H
31 #ifdef HAVE_INTTYPES_H
32 # include <inttypes.h>
47 #ifdef HAVE_NETINET_IN_H
48 # include <netinet/in.h>
50 #ifdef HAVE_ARPA_NAMESER_H
51 # include <arpa/nameser.h>
59 #ifdef HAVE_SYS_SELECT_H
60 # include <sys/select.h>
62 #ifdef HAVE_SYS_SOCKET_H
63 # include <sys/socket.h>
65 #ifdef HAVE_SYS_TIME_H
66 # include <sys/time.h>
68 #ifdef HAVE_SYS_TIMES_H
69 # include <sys/times.h>
74 #ifdef HAVE_SYS_UTSNAME_H
75 # include <sys/utsname.h>
89 # define NAMLEN(dirent) strlen ((dirent)->d_name)
91 # define dirent direct
92 # define NAMLEN(dirent) ((dirent)->d_namlen)
93 # ifdef HAVE_SYS_NDIR_H
94 # include <sys/ndir.h>
96 # ifdef HAVE_SYS_DIR_H
104 #include <sys/param.h>
109 #include "php_scandir.h"
115 static struct psi_std_type
{
117 const char *type_name
;
118 } psi_std_types
[] = {
119 {PSI_T_FLOAT
, "float"},
120 {PSI_T_DOUBLE
, "double"},
121 {PSI_T_INT8
, "int8_t"},
122 {PSI_T_INT16
, "int16_t"},
123 {PSI_T_INT32
, "int32_t"},
124 {PSI_T_INT64
, "int64_t"},
125 {PSI_T_UINT8
, "uint8_t"},
126 {PSI_T_UINT16
, "uint16_t"},
127 {PSI_T_UINT32
, "uint32_t"},
128 {PSI_T_UINT64
, "uint64_t"},
132 static struct psi_predef_type
{
134 const char *type_name
;
136 } psi_predef_types
[] = {
141 static struct psi_predef_const
{
143 const char *type_name
;
144 const char *var_name
;
145 const char *val_text
;
146 token_t val_type_tag
;
147 } psi_predef_consts
[] = {
154 int psi_glob(const char *pattern
, int flags
,
155 int (*errfunc
) (const char *epath
, int eerrno
),
157 size_t offs
= flags
& GLOB_DOOFFS
? pglob
->gl_offs
: 0;
158 int rv
= glob(pattern
, flags
, errfunc
, pglob
);
159 if (pglob
->gl_pathv
) {
161 pglob
->gl_pathv
[offs
] = NULL
;
167 static struct psi_func_redir
{
170 } psi_func_redirs
[] = {
171 {"glob", (void (*)(void)) psi_glob
},
176 static struct psi_predef_decl
{
178 const char *type_name
;
179 const char *var_name
;
180 size_t pointer_level
;
182 } psi_predef_decls
[] = {
186 static struct psi_predef_decl psi_predef_vararg_decls
[] = {
191 static struct psi_predef_struct
{
193 const char *type_name
;
194 const char *var_name
;
197 size_t pointer_level
;
199 } psi_predef_structs
[] = {
204 static int validate_lib(PSI_Data
*data
, void **dlopened
) {
205 char lib
[MAXPATHLEN
];
206 const char *ptr
= data
->psi
.file
.ln
;
210 /* FIXME: assume stdlib */
212 } else if (!strchr(ptr
, '/')) {
213 len
= snprintf(lib
, MAXPATHLEN
, "lib%s.%s", ptr
, PHP_PSI_SHLIB_SUFFIX
);
214 if (MAXPATHLEN
== len
) {
215 data
->error(NULL
, PSI_WARNING
, "Library name too long: '%s'", ptr
);
220 if (!(*dlopened
= dlopen(ptr
, RTLD_LAZY
|RTLD_LOCAL
))) {
221 data
->error(NULL
, PSI_WARNING
, "Could not open library '%s': %s.",
222 data
->psi
.file
.ln
, dlerror());
228 static inline int locate_decl_type_alias(decl_typedefs
*defs
, decl_type
*type
) {
230 struct psi_std_type
*stdtyp
;
235 for (i
= 0; i
< defs
->count
; ++i
) {
236 decl_typedef
*def
= defs
->list
[i
];
238 if (def
->type
->type
!= type
->type
&& !strcmp(def
->alias
, type
->name
)) {
239 type
->real
= def
->type
;
243 for (stdtyp
= &psi_std_types
[0]; stdtyp
->type_tag
; ++stdtyp
) {
244 if (!strcmp(type
->name
, stdtyp
->type_name
)) {
245 type
->type
= stdtyp
->type_tag
;
252 static inline int locate_decl_type_struct(decl_structs
*structs
, decl_type
*type
) {
258 for (i
= 0; i
< structs
->count
; ++i
) {
259 if (!strcmp(structs
->list
[i
]->name
, type
->name
)) {
260 type
->strct
= structs
->list
[i
];
267 static inline int validate_decl_type(PSI_Data
*data
, decl_type
*type
) {
268 switch (type
->type
) {
270 if (!data
->defs
|| !locate_decl_type_alias(data
->defs
, type
)) {
274 return validate_decl_type(data
, type
->real
);
278 if (!data
->structs
|| !locate_decl_type_struct(data
->structs
, type
)) {
285 static inline int validate_decl_typedef(PSI_Data
*data
, decl_typedef
*def
) {
286 if (!validate_decl_type(data
, def
->type
)) {
287 data
->error(def
->token
, PSI_WARNING
,
288 "Type '%s' cannot be aliased to %s'%s'",
289 def
->type
->name
, def
->type
->type
== PSI_T_STRUCT
?"struct ":"",def
->alias
);
292 /* FIXME: check def->alias */
296 static inline int validate_constant(PSI_Data
*data
, constant
*c
) {
301 static inline int validate_decl_arg(PSI_Data
*data
, decl_arg
*arg
) {
302 if (!validate_decl_type(data
, arg
->type
)) {
303 data
->error(arg
->type
->token
, PSI_WARNING
,
304 "Cannot use '%s'(%d) as type for decl var '%s'",
305 arg
->type
->name
, arg
->type
->type
, arg
->var
->name
);
311 static inline int validate_decl_struct(PSI_Data
*data
, decl_struct
*s
) {
314 for (i
= 0; i
< s
->args
->count
; ++i
) {
315 if (!validate_decl_arg(data
, s
->args
->args
[i
])) {
320 for (i
= 0; i
< s
->args
->count
; ++i
) {
321 decl_arg
*darg
= s
->args
->args
[i
];
323 if (!validate_decl_arg(data
, darg
)) {
327 ZEND_ASSERT(!darg
->var
->arg
|| darg
->var
->arg
== darg
);
328 darg
->var
->arg
= darg
;
333 if (darg
->var
->pointer_level
&& (!darg
->var
->array_size
|| darg
->var
->pointer_level
== 1)) {
336 t
= real_decl_type(darg
->type
)->type
;
340 decl_arg
*last
= s
->args
->args
[i
-1];
341 darg
->layout
= init_decl_struct_layout(
342 psi_t_align(t
, last
->layout
->pos
+ last
->layout
->len
),
343 psi_t_size(t
) * darg
->var
->array_size
);
345 darg
->layout
= init_decl_struct_layout(0, psi_t_size(t
));
348 if (s
->size
< darg
->layout
->pos
+ darg
->layout
->len
) {
349 s
->size
= darg
->layout
->pos
+ darg
->layout
->len
;
355 static const char * const abi_ccs
[] = {
357 "extern", /* > - all the same */
363 static inline int validate_decl_abi(PSI_Data
*data
, decl_abi
*abi
) {
366 for (i
= 0; i
< sizeof(abi_ccs
)/sizeof(char*); ++i
) {
367 if (strcasecmp(abi
->convention
, abi_ccs
[i
])) {
373 static inline int validate_decl_func(PSI_Data
*data
, void *dl
, decl
*decl
, decl_arg
*func
)
375 struct psi_func_redir
*redir
;
377 if (!strcmp(func
->var
->name
, "dlsym")) {
378 data
->error(func
->token
, PSI_WARNING
, "Cannot dlsym dlsym (sic!)");
382 if (!validate_decl_arg(data
, func
)) {
385 for (redir
= &psi_func_redirs
[0]; redir
->name
; ++redir
) {
386 if (!strcmp(func
->var
->name
, redir
->name
)) {
387 decl
->call
.sym
= redir
->func
;
390 if (!decl
->call
.sym
) {
392 # define RTLD_NEXT ((void *) -1l)
394 decl
->call
.sym
= dlsym(dl
?: RTLD_NEXT
, func
->var
->name
);
395 if (!decl
->call
.sym
) {
396 data
->error(func
->token
, PSI_WARNING
,
397 "Failed to locate symbol '%s': %s",
398 func
->var
->name
, dlerror());
404 static inline int validate_decl(PSI_Data
*data
, void *dl
, decl
*decl
) {
405 if (!validate_decl_abi(data
, decl
->abi
)) {
406 data
->error(decl
->abi
->token
, PSI_WARNING
,
407 "Invalid calling convention: '%s'", decl
->abi
->token
->text
);
410 if (!validate_decl_func(data
, dl
, decl
, decl
->func
)) {
416 for (i
= 0; i
< decl
->args
->count
; ++i
) {
417 if (!validate_decl_arg(data
, decl
->args
->args
[i
])) {
424 static inline decl_arg
*locate_decl_var_arg(decl_var
*var
, decl_args
*args
, decl_arg
*func
) {
427 for (i
= 0; i
< args
->count
; ++i
) {
428 decl_arg
*arg
= args
->args
[i
];
430 if (!strcmp(var
->name
, arg
->var
->name
)) {
431 ZEND_ASSERT(!var
->arg
|| var
->arg
== arg
);
432 return var
->arg
= arg
;
435 if (func
&& !strcmp(var
->name
, func
->var
->name
)) {
436 return var
->arg
= func
;
441 static inline decl_arg
*locate_struct_member(decl_struct
*s
, decl_var
*var
) {
443 return locate_decl_var_arg(var
, s
->args
, NULL
);
448 static inline constant
*locate_num_exp_constant(num_exp
*exp
, constants
*consts
) {
451 for (i
= 0; i
< consts
->count
; ++i
) {
452 constant
*cnst
= consts
->list
[i
];
454 if (!strcmp(cnst
->name
, exp
->u
.numb
)) {
456 return exp
->u
.cnst
= cnst
;
462 static inline int validate_num_exp(PSI_Data
*data
, decl_args
*dargs
, decl_arg
*func
, num_exp
*exp
) {
464 switch (exp
->operator) {
466 exp
->calculator
= psi_calc_add
;
469 exp
->calculator
= psi_calc_sub
;
472 exp
->calculator
= psi_calc_mul
;
475 exp
->calculator
= psi_calc_div
;
477 EMPTY_SWITCH_DEFAULT_CASE();
479 if (!validate_num_exp(data
, dargs
, func
, exp
->operand
)) {
485 if (!locate_decl_var_arg(exp
->u
.dvar
, dargs
, func
)) {
486 data
->error(exp
->token
, PSI_WARNING
, "Unknown variable '%s' in numeric expression",
492 if (!locate_num_exp_constant(exp
, data
->consts
)) {
493 data
->error(exp
->token
, PSI_WARNING
, "Unknown constant '%s' in numeric expression",
504 static inline int validate_set_value_handler(set_value
*set
) {
505 switch (set
->func
->type
) {
507 set
->func
->handler
= psi_to_bool
;
510 set
->func
->handler
= psi_to_int
;
513 set
->func
->handler
= psi_to_double
;
515 case PSI_T_TO_STRING
:
516 set
->func
->handler
= psi_to_string
;
519 set
->func
->handler
= psi_to_array
;
521 case PSI_T_TO_OBJECT
:
522 set
->func
->handler
= psi_to_object
;
525 set
->func
->handler
= psi_to_void
;
528 if (set
->outer
.set
&& set
->outer
.set
->func
->type
== PSI_T_TO_ARRAY
) {
529 set
->func
->handler
= psi_to_recursive
;
538 static inline void decl_var_arg_v(decl_args
*args
, va_list argp
) {
542 memset(args
, 0, sizeof(*args
));
544 while ((argc
= va_arg(argp
, int))) {
545 argv
= va_arg(argp
, decl_arg
**);
547 add_decl_arg(args
, *argv
++);
551 static inline int validate_set_value_ex(PSI_Data
*data
, set_value
*set
, decl_arg
*ref
, decl_args
*ref_list
) {
554 decl_var
*set_var
= set
->vars
->vars
[0];
556 if (!validate_set_value_handler(set
)) {
557 data
->error(set
->func
->token
, PSI_WARNING
, "Invalid cast '%s' in `set` statement", set
->func
->name
);
561 for (i
= 0; i
< set
->vars
->count
; ++i
) {
562 decl_var
*svar
= set
->vars
->vars
[i
];
563 if (!svar
->arg
&& !locate_decl_var_arg(svar
, ref_list
, NULL
)) {
564 data
->error(svar
->token
, PSI_WARNING
, "Unknown variable '%s' in `set` statement", svar
->name
);
572 ref_type
= real_decl_type(ref
->type
);
575 int is_to_array
= (set
->func
->type
== PSI_T_TO_ARRAY
);
576 int is_pointer_to_struct
= (ref_type
->type
== PSI_T_STRUCT
&& ref
->var
->pointer_level
);
578 if (!is_to_array
&& !is_pointer_to_struct
) {
579 data
->error(set
->func
->token
, E_WARNING
, "Inner `set` statement casts only work with "
580 "to_array() casts on structs or pointers: %s(%s...", set
->func
->name
, set
->vars
->vars
[0]->name
);
585 if (!validate_num_exp(data
, ref_list
, ref
, set
->num
)) {
590 if (ref_type
->type
== PSI_T_STRUCT
) {
591 /* to_array(struct, to_...) */
592 for (i
= 0; i
< set
->count
; ++i
) {
593 decl_var
*sub_var
= set
->inner
[i
]->vars
->vars
[0];
594 decl_arg
*sub_ref
= locate_struct_member(ref_type
->strct
, sub_var
);
597 if (!validate_set_value_ex(data
, set
->inner
[i
], sub_ref
, ref_type
->strct
->args
)) {
602 } else if (set
->count
== 1) {
603 /* to_array(ptr, to_string(*ptr)) */
604 decl_var
*sub_var
= set
->inner
[0]->vars
->vars
[0];
605 decl_arg
*sub_ref
= locate_decl_var_arg(sub_var
, ref_list
, ref
);
608 if (strcmp(sub_var
->name
, set_var
->name
)) {
609 data
->error(sub_var
->token
, E_WARNING
, "Inner `set` statement casts on pointers must reference the same variable");
612 if (!validate_set_value_ex(data
, set
->inner
[0], sub_ref
, ref_list
)) {
616 } else if (set
->count
> 1) {
617 data
->error(set
->func
->token
, E_WARNING
, "Inner `set` statement casts on pointers may only occur once");
623 static inline int validate_set_value(PSI_Data
*data
, set_value
*set
, ...) {
625 decl_args args
= {0};
629 decl_var_arg_v(&args
, argp
);
632 check
= validate_set_value_ex(data
, set
, NULL
, &args
);
638 static inline decl
*locate_impl_decl(decls
*decls
, return_stmt
*ret
) {
642 for (i
= 0; i
< decls
->count
; ++i
) {
643 if (!strcmp(decls
->list
[i
]->func
->var
->name
, ret
->set
->vars
->vars
[0]->name
)) {
644 ret
->decl
= decls
->list
[i
]->func
;
645 return decls
->list
[i
];
652 static inline int validate_impl_ret_stmt(PSI_Data
*data
, impl
*impl
) {
655 /* we must have exactly one ret stmt delcaring the native func to call */
656 /* and which type cast to apply */
657 if (impl
->stmts
->ret
.count
!= 1) {
658 if (impl
->stmts
->ret
.count
> 1) {
659 data
->error(impl
->stmts
->ret
.list
[1]->token
, PSI_WARNING
,
660 "Too many `return` statements for implmentation %s;"
661 " found %zu, exactly one is needed",
662 impl
->func
->name
, impl
->stmts
->ret
.count
);
664 data
->error(impl
->func
->token
, PSI_WARNING
,
665 "Missing `return` statement for implementation %s",
671 ret
= impl
->stmts
->ret
.list
[0];
673 if (!(impl
->decl
= locate_impl_decl(data
->decls
, ret
))) {
674 data
->error(ret
->token
, PSI_WARNING
,
675 "Missing declaration '%s' for `return` statment for implementation %s",
676 ret
->set
->vars
->vars
[0]->name
, impl
->func
->name
);
680 if (!validate_set_value(data
, ret
->set
, 1, &ret
->decl
, impl
->decl
->args
? (int) impl
->decl
->args
->count
: 0, impl
->decl
->args
? impl
->decl
->args
->args
: NULL
, 0)) {
684 impl
->decl
->impl
= impl
;
689 static inline int validate_impl_let_stmts(PSI_Data
*data
, impl
*impl
) {
691 /* we can have multiple let stmts */
693 /* check that we have a decl arg for every let stmt */
694 for (i
= 0; i
< impl
->stmts
->let
.count
; ++i
) {
695 let_stmt
*let
= impl
->stmts
->let
.list
[i
];
699 if (let
->val
&& let
->val
->kind
== PSI_LET_TMP
) {
700 let_var
= let
->val
->data
.var
;
705 if (!locate_decl_var_arg(let_var
, impl
->decl
->args
, impl
->decl
->func
)) {
706 data
->error(let_var
->token
, PSI_WARNING
, "Unknown variable '%s' in `let` statement"
707 " of implementation '%s'", let_var
->name
, impl
->func
->name
);
711 switch (let
->val
->kind
) {
715 /* e.g. let bar = &strval($bar); // decl_arg(char **bar) */
716 /* e.g. let foo = *bar; */
717 let
->var
->pointer_level
= let
->val
->data
.var
->pointer_level
;
718 let
->var
->arg
= init_decl_arg(
720 real_decl_type(let
->val
->data
.var
->arg
->type
)->type
,
721 real_decl_type(let
->val
->data
.var
->arg
->type
)->name
),
724 let
->var
->pointer_level
,
725 let
->var
->array_size
));
728 if (!validate_num_exp(data
, impl
->decl
->args
, impl
->decl
->func
, let
->val
->data
.num
)) {
733 if (!validate_num_exp(data
, impl
->decl
->args
, impl
->decl
->func
, let
->val
->data
.alloc
->nmemb
)) {
736 if (!validate_num_exp(data
, impl
->decl
->args
, impl
->decl
->func
, let
->val
->data
.alloc
->size
)) {
741 if (impl
->func
->args
) {
742 for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
743 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
745 if (!strcmp(let
->val
->data
.func
->var
->name
, iarg
->var
->name
)) {
746 let
->val
->data
.func
->arg
= iarg
;
753 data
->error(let
->var
->token
, PSI_WARNING
, "Unknown value '$%s' of `let` statement"
754 " for variable '%s' of implementation '%s'",
755 let
->val
->data
.func
->var
->name
, let
->var
->name
, impl
->func
->name
);
762 /* check that we have a let stmt for every decl arg */
763 if (impl
->decl
->args
) for (i
= 0; i
< impl
->decl
->args
->count
; ++i
) {
764 decl_arg
*darg
= impl
->decl
->args
->args
[i
];
767 for (j
= 0; j
< impl
->stmts
->let
.count
; ++j
) {
768 let_stmt
*let
= impl
->stmts
->let
.list
[j
];
770 if (!strcmp(let
->var
->name
, darg
->var
->name
)) {
777 data
->error(impl
->func
->token
, PSI_WARNING
,
778 "Missing `let` statement for arg '%s %.*s%s'"
779 " of declaration '%s' for implementation '%s'",
780 darg
->type
->name
, (int) darg
->var
->pointer_level
, "*****",
781 darg
->var
->name
, impl
->decl
->func
->var
->name
, impl
->func
->name
);
788 static inline int validate_impl_set_stmts(PSI_Data
*data
, impl
*impl
) {
790 /* we can have any count of set stmts; processing out vars */
791 /* check that set stmts reference known variables */
792 for (i
= 0; i
< impl
->stmts
->set
.count
; ++i
) {
793 set_stmt
*set
= impl
->stmts
->set
.list
[i
];
796 if (impl
->func
->args
) for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
797 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
799 if (!strcmp(set
->var
->name
, iarg
->var
->name
)) {
806 data
->error(set
->var
->token
, PSI_WARNING
, "Unknown variable '$%s' of `set` statement"
807 " of implementation '%s'",
808 set
->var
->name
, impl
->func
->name
);
812 for (j
= 0; j
< set
->val
->vars
->count
; ++j
) {
813 decl_var
*set_var
= set
->val
->vars
->vars
[j
];
816 if (impl
->decl
->args
) {
817 for (k
= 0; k
< impl
->decl
->args
->count
; ++k
) {
818 decl_arg
*set_arg
= impl
->decl
->args
->args
[k
];
820 if (!strcmp(set_var
->name
, set_arg
->var
->name
)) {
822 set_var
->arg
= set_arg
;
823 if (!validate_set_value(data
, set
->val
, 1, &set_arg
, 1, &impl
->decl
->func
, impl
->decl
->args
->count
, impl
->decl
->args
->args
, 0)) {
831 for (k
= 0; k
< impl
->stmts
->let
.count
; ++k
) {
832 let_stmt
*let
= impl
->stmts
->let
.list
[k
];
834 /* check temp vars */
835 if (let
->val
&& let
->val
->kind
== PSI_LET_TMP
) {
836 if (!strcmp(set_var
->name
, let
->var
->name
)) {
838 set_var
->arg
= let
->var
->arg
;
839 if (!validate_set_value(data
, set
->val
, 1, &set_var
->arg
, 1, &impl
->decl
->func
, impl
->decl
->args
->count
, impl
->decl
->args
->args
, 0)) {
849 data
->error(set_var
->token
, PSI_WARNING
, "Unknown value '%s' of `set` statement"
850 " for variable '$%s' of implementation '%s'",
851 set_var
->name
, set
->arg
->var
->name
, impl
->func
->name
);
858 static inline decl
*locate_free_decl(decls
*decls
, free_call
*f
) {
862 for (i
= 0; i
< decls
->count
; ++i
) {
863 if (!strcmp(decls
->list
[i
]->func
->var
->name
, f
->func
)) {
864 f
->decl
= decls
->list
[i
];
865 return decls
->list
[i
];
872 static inline int validate_impl_free_stmts(PSI_Data
*data
, impl
*impl
) {
874 /* we can have any count of free stmts; freeing any out vars */
875 for (i
= 0; i
< impl
->stmts
->fre
.count
; ++i
) {
876 free_stmt
*fre
= impl
->stmts
->fre
.list
[i
];
878 for (j
= 0; j
< fre
->calls
->count
; ++j
) {
879 free_call
*free_call
= fre
->calls
->list
[j
];
881 /* first find the decl of the free func */
882 if (!locate_free_decl(data
->decls
, free_call
)) {
883 data
->error(free_call
->token
, PSI_WARNING
,
884 "Missing declaration '%s' in `free` statement"
885 " of implementation '%s'",
886 free_call
->func
, impl
->func
->name
);
889 if (!impl
->decl
->args
) {
890 data
->error(free_call
->token
, PSI_WARNING
,
891 "Declaration '%s' of implementation '%s'"
892 " does not have any arguments to free",
893 impl
->decl
->func
->var
->name
, impl
->func
->name
);
896 /* now check for known vars */
897 for (l
= 0; l
< free_call
->vars
->count
; ++l
) {
899 decl_var
*free_var
= free_call
->vars
->vars
[l
];
901 for (k
= 0; k
< impl
->decl
->args
->count
; ++k
) {
902 decl_arg
*free_arg
= impl
->decl
->args
->args
[k
];
904 if (!strcmp(free_var
->name
, free_arg
->var
->name
)) {
906 free_var
->arg
= free_arg
;
912 data
->error(free_var
->token
, PSI_WARNING
,
913 "Unknown variable '%s' of `free` statement"
914 " of implementation '%s'",
915 free_var
->name
, impl
->func
->name
);
923 static inline int validate_impl_stmts(PSI_Data
*data
, impl
*impl
) {
925 data
->error(impl
->func
->token
, PSI_WARNING
,
926 "Missing body for implementation %s!",
931 if (!validate_impl_ret_stmt(data
, impl
)) {
935 if (!validate_impl_let_stmts(data
, impl
)) {
938 if (!validate_impl_set_stmts(data
, impl
)) {
941 if (!validate_impl_free_stmts(data
, impl
)) {
948 PSI_Context
*PSI_ContextInit(PSI_Context
*C
, PSI_ContextOps
*ops
, PSI_ContextErrorFunc error
)
952 struct psi_predef_type
*predef_type
;
953 struct psi_predef_const
*predef_const
;
954 struct psi_predef_struct
*predef_struct
;
955 struct psi_predef_decl
*predef_decl
;
958 C
= malloc(sizeof(*C
));
960 memset(C
, 0, sizeof(*C
));
969 ZEND_ASSERT(ops
->call
!= NULL
);
970 ZEND_ASSERT(ops
->compile
!= NULL
);
972 /* build up predefs in a temporary PSI_Data for validation */
973 memset(&T
, 0, sizeof(T
));
976 for (predef_type
= &psi_predef_types
[0]; predef_type
->type_tag
; ++predef_type
) {
977 decl_type
*type
= init_decl_type(predef_type
->type_tag
, predef_type
->type_name
);
978 decl_typedef
*def
= init_decl_typedef(predef_type
->alias
, type
);
980 T
.defs
= add_decl_typedef(T
.defs
, def
);
982 for (predef_const
= &psi_predef_consts
[0]; predef_const
->type_tag
; ++predef_const
) {
983 impl_def_val
*val
= init_impl_def_val(predef_const
->val_type_tag
, predef_const
->val_text
);
984 const_type
*type
= init_const_type(predef_const
->type_tag
, predef_const
->type_name
);
985 constant
*constant
= init_constant(type
, predef_const
->var_name
, val
);
987 T
.consts
= add_constant(T
.consts
, constant
);
989 for (predef_struct
= &psi_predef_structs
[0]; predef_struct
->type_tag
; ++predef_struct
) {
990 struct psi_predef_struct
*member
;
991 decl_args
*dargs
= init_decl_args(NULL
);
992 decl_struct
*dstruct
= init_decl_struct(predef_struct
->var_name
, dargs
);
994 dstruct
->size
= predef_struct
->size
;
995 for (member
= &predef_struct
[1]; member
->type_tag
; ++member
) {
1000 type
= init_decl_type(member
->type_tag
, member
->type_name
);
1001 dvar
= init_decl_var(member
->var_name
, member
->pointer_level
, member
->array_size
);
1002 darg
= init_decl_arg(type
, dvar
);
1003 darg
->layout
= init_decl_struct_layout(member
->offset
, member
->size
);
1004 dargs
= add_decl_arg(dargs
, darg
);
1007 T
.structs
= add_decl_struct(T
.structs
, dstruct
);
1008 predef_struct
= member
;
1010 for (predef_decl
= &psi_predef_decls
[0]; predef_decl
->type_tag
; ++predef_decl
) {
1011 struct psi_predef_decl
*farg
;
1012 decl_type
*ftype
= init_decl_type(predef_decl
->type_tag
, predef_decl
->type_name
);
1013 decl_var
*fname
= init_decl_var(predef_decl
->var_name
, predef_decl
->pointer_level
, predef_decl
->array_size
);
1014 decl_arg
*func
= init_decl_arg(ftype
, fname
);
1015 decl_args
*args
= init_decl_args(NULL
);
1016 decl
*decl
= init_decl(init_decl_abi("default"), func
, args
);
1018 for (farg
= &predef_decl
[1]; farg
->type_tag
; ++farg
) {
1019 decl_type
*arg_type
= init_decl_type(farg
->type_tag
, farg
->type_name
);
1020 decl_var
*arg_var
= init_decl_var(farg
->var_name
, farg
->pointer_level
, farg
->array_size
);
1021 decl_arg
*darg
= init_decl_arg(arg_type
, arg_var
);
1022 args
= add_decl_arg(args
, darg
);
1025 T
.decls
= add_decl(T
.decls
, decl
);
1029 for (predef_decl
= &psi_predef_vararg_decls
[0]; predef_decl
->type_tag
; ++predef_decl
) {
1030 struct psi_predef_decl
*farg
;
1031 decl_type
*ftype
= init_decl_type(predef_decl
->type_tag
, predef_decl
->type_name
);
1032 decl_var
*fname
= init_decl_var(predef_decl
->var_name
, predef_decl
->pointer_level
, predef_decl
->array_size
);
1033 decl_arg
*func
= init_decl_arg(ftype
, fname
);
1034 decl_args
*args
= init_decl_args(NULL
);
1035 decl
*decl
= init_decl(init_decl_abi("default"), func
, args
);
1037 for (farg
= &predef_decl
[1]; farg
->type_tag
; ++farg
) {
1038 decl_type
*arg_type
= init_decl_type(farg
->type_tag
, farg
->type_name
);
1039 decl_var
*arg_var
= init_decl_var(farg
->var_name
, farg
->pointer_level
, farg
->array_size
);
1040 decl_arg
*darg
= init_decl_arg(arg_type
, arg_var
);
1041 args
= add_decl_arg(args
, darg
);
1045 T
.decls
= add_decl(T
.decls
, decl
);
1049 for (i
= 0; i
< T
.defs
->count
; ++i
) {
1050 decl_typedef
*def
= T
.defs
->list
[i
];
1052 if (validate_decl_typedef(&T
, def
)) {
1053 C
->defs
= add_decl_typedef(C
->defs
, def
);
1057 for (i
= 0; i
< T
.consts
->count
; ++i
) {
1058 constant
*constant
= T
.consts
->list
[i
];
1060 if (validate_constant(&T
, constant
)) {
1061 C
->consts
= add_constant(C
->consts
, constant
);
1065 for (i
= 0; i
< T
.structs
->count
; ++i
) {
1066 decl_struct
*dstruct
= T
.structs
->list
[i
];
1068 if (validate_decl_struct(&T
, dstruct
)) {
1069 C
->structs
= add_decl_struct(C
->structs
, dstruct
);
1073 for (i
= 0; i
< T
.decls
->count
; ++i
) {
1074 decl
*decl
= T
.decls
->list
[i
];
1076 if (validate_decl(&T
, NULL
, decl
)) {
1077 C
->decls
= add_decl(C
->decls
, decl
);
1082 C
->data
= malloc(sizeof(*C
->data
));
1083 PSI_DataExchange(C
->data
, &T
);
1088 int PSI_ContextValidate(PSI_Context
*C
, PSI_Parser
*P
)
1091 void *dlopened
= NULL
;
1092 size_t count
= C
->count
++;
1094 C
->data
= realloc(C
->data
, C
->count
* sizeof(*C
->data
));
1095 D
= PSI_DataExchange(&C
->data
[count
], PSI_DATA(P
));
1100 for (i
= 0; i
< D
->defs
->count
; ++i
) {
1101 if (validate_decl_typedef(PSI_DATA(C
), D
->defs
->list
[i
])) {
1102 C
->defs
= add_decl_typedef(C
->defs
, D
->defs
->list
[i
]);
1109 for (i
= 0; i
< D
->structs
->count
; ++i
) {
1110 if (validate_decl_struct(PSI_DATA(C
), D
->structs
->list
[i
])) {
1111 C
->structs
= add_decl_struct(C
->structs
, D
->structs
->list
[i
]);
1118 for (i
= 0; i
< D
->consts
->count
; ++i
) {
1119 if (validate_constant(PSI_DATA(C
), D
->consts
->list
[i
])) {
1120 C
->consts
= add_constant(C
->consts
, D
->consts
->list
[i
]);
1125 if (!validate_lib(D
, &dlopened
)) {
1129 add_decl_lib(&C
->psi
.libs
, dlopened
);
1134 for (i
= 0; i
< D
->decls
->count
; ++i
) {
1135 if (validate_decl(PSI_DATA(C
), dlopened
, D
->decls
->list
[i
])) {
1136 C
->decls
= add_decl(C
->decls
, D
->decls
->list
[i
]);
1143 for (i
= 0; i
< D
->impls
->count
; ++i
) {
1144 if (validate_impl_stmts(PSI_DATA(C
), D
->impls
->list
[i
])) {
1145 C
->impls
= add_impl(C
->impls
, D
->impls
->list
[i
]);
1153 static int psi_select_dirent(const struct dirent
*entry
)
1155 #ifndef FNM_CASEFOLD
1156 #define FNM_CASEFOLD 0
1158 return 0 == fnmatch("*.psi", entry
->d_name
, FNM_CASEFOLD
);
1161 void PSI_ContextBuild(PSI_Context
*C
, const char *paths
)
1163 int i
, n
, flags
= psi_check_env("PSI_DEBUG") ? PSI_PARSER_DEBUG
: 0;
1164 char *sep
= NULL
, *cpy
= strdup(paths
), *ptr
= cpy
;
1165 struct dirent
**entries
= NULL
;
1169 sep
= strchr(ptr
, ':');
1175 n
= php_scandir(ptr
, &entries
, psi_select_dirent
, alphasort
);
1178 for (i
= 0; i
< n
; ++i
) {
1179 char psi
[MAXPATHLEN
];
1182 if (MAXPATHLEN
<= slprintf(psi
, MAXPATHLEN
, "%s/%s", ptr
, entries
[i
]->d_name
)) {
1183 C
->error(NULL
, PSI_WARNING
, "Path to PSI file too long: %s/%s",
1184 ptr
, entries
[i
]->d_name
);
1186 if (!PSI_ParserInit(&P
, psi
, C
->error
, flags
)) {
1187 C
->error(NULL
, PSI_WARNING
, "Failed to init PSI parser (%s): %s",
1188 psi
, strerror(errno
));
1192 while (0 < PSI_ParserScan(&P
)) {
1193 PSI_ParserParse(&P
, PSI_TokenAlloc(&P
));
1194 if (P
.num
== PSI_T_EOF
) {
1199 PSI_ParserParse(&P
, NULL
);
1200 PSI_ContextValidate(C
, &P
);
1206 for (i
= 0; i
< n
; ++i
) {
1216 if (PSI_ContextCompile(C
) && SUCCESS
!= zend_register_functions(NULL
, C
->closures
, NULL
, MODULE_PERSISTENT
)) {
1217 C
->error(NULL
, PSI_WARNING
, "Failed to register functions!");
1224 zend_function_entry
*PSI_ContextCompile(PSI_Context
*C
)
1231 zc
.flags
= CONST_PERSISTENT
|CONST_CS
;
1232 zc
.module_number
= EG(current_module
)->module_number
;
1234 for (i
= 0; i
< C
->consts
->count
; ++i
) {
1235 constant
*c
= C
->consts
->list
[i
];
1237 zc
.name
= zend_string_init(c
->name
+ (c
->name
[0] == '\\'), strlen(c
->name
) - (c
->name
[0] == '\\'), 1);
1238 ZVAL_NEW_STR(&zc
.value
, zend_string_init(c
->val
->text
, strlen(c
->val
->text
), 1));
1240 switch (c
->type
->type
) {
1242 convert_to_boolean(&zc
.value
);
1245 convert_to_long(&zc
.value
);
1248 convert_to_double(&zc
.value
);
1251 zend_register_constant(&zc
);
1255 return C
->closures
= C
->ops
->compile(C
);
1259 void PSI_ContextCall(PSI_Context
*C
, decl_callinfo
*decl_call
, impl_vararg
*va
)
1261 C
->ops
->call(C
, decl_call
, va
);
1264 static inline void dump_decl_type(int fd
, decl_type
*t
) {
1274 dprintf(fd
, "%s%s", pre
, t
->name
);
1276 static inline void dump_decl_var(int fd
, decl_var
*v
) {
1277 dprintf(fd
, "%.*s%s", v
->pointer_level
-!!v
->array_size
, "**********", v
->name
);
1278 if (v
->array_size
) {
1279 dprintf(fd
, "[%u]", v
->array_size
);
1282 static inline void dump_decl_arg(int fd
, decl_arg
*a
) {
1283 dump_decl_type(fd
, a
->type
);
1285 dump_decl_var(fd
, a
->var
);
1287 static inline void dump_level(int fd
, unsigned level
) {
1288 dprintf(fd
, "%.*s", level
, "\t\t\t\t\t\t\t\t\t");
1290 static inline void dump_num_exp(int fd
, num_exp
*exp
) {
1294 dprintf(fd
, "%s", exp
->u
.numb
);
1297 dprintf(fd
, "%s", exp
->u
.cnst
->name
);
1300 dump_decl_var(fd
, exp
->u
.dvar
);
1302 EMPTY_SWITCH_DEFAULT_CASE();
1307 switch (exp
->operator) {
1308 case PSI_T_PLUS
: op
= '+'; break;
1309 case PSI_T_MINUS
: op
= '-'; break;
1310 case PSI_T_ASTERISK
:op
= '*'; break;
1311 case PSI_T_SLASH
: op
= '/'; break;
1312 EMPTY_SWITCH_DEFAULT_CASE();
1314 dprintf(fd
, " %c ", op
);
1320 static inline void dump_impl_set_value(int fd
, set_value
*set
, unsigned level
) {
1324 /* only if not directly after `set ...` */
1325 dump_level(fd
, level
);
1328 if (set
->func
->type
== PSI_T_ELLIPSIS
) {
1329 dprintf(fd
, "%s(", set
->outer
.set
->func
->name
);
1331 dprintf(fd
, "%s(", set
->func
->name
);
1334 for (i
= 0; i
< set
->vars
->count
; ++i
) {
1335 decl_var
*svar
= set
->vars
->vars
[i
];
1339 dump_decl_var(fd
, svar
);
1342 if (set
->func
->type
== PSI_T_ELLIPSIS
) {
1343 dprintf(fd
, ", ...");
1347 dump_num_exp(fd
, set
->num
);
1351 for (i
= 0; i
< set
->count
; ++i
) {
1352 dump_impl_set_value(fd
, set
->inner
[i
], level
+1);
1354 /* only if inner stmts, i.e. with new lines, were dumped */
1355 dump_level(fd
, level
);
1358 dprintf(fd
, "),\n");
1360 dprintf(fd
, ");\n");
1363 void PSI_ContextDump(PSI_Context
*C
, int fd
)
1368 if (C
->ops
== PSI_Libjit()) {
1369 dprintf(fd
, "// psi.engine=jit\n");
1373 if (C
->ops
== PSI_Libffi()) {
1374 dprintf(fd
, "// psi.engine=ffi\n");
1380 for (i
= 0; i
< C
->defs
->count
; ++i
) {
1381 decl_typedef
*tdef
= C
->defs
->list
[i
];
1383 dprintf(fd
, "typedef ");
1384 dump_decl_type(fd
, tdef
->type
);
1385 dprintf(fd
, " %s;\n", tdef
->alias
);
1391 for (i
= 0; i
< C
->structs
->count
; ++i
) {
1392 decl_struct
*strct
= C
->structs
->list
[i
];
1394 dprintf(fd
, "struct %s::(%zu) {\n", strct
->name
, strct
->size
);
1395 if (strct
->args
) for (j
= 0; j
< strct
->args
->count
; ++j
) {
1396 decl_arg
*sarg
= strct
->args
->args
[j
];
1399 dump_decl_arg(fd
, sarg
);
1400 dprintf(fd
, "::(%zu, %zu);\n", sarg
->layout
->pos
, sarg
->layout
->len
);
1407 for (i
= 0; i
< C
->consts
->count
; ++i
) {
1408 constant
*cnst
= C
->consts
->list
[i
];
1410 dprintf(fd
, "const %s %s = ", cnst
->type
->name
, cnst
->name
);
1411 if (cnst
->val
->type
== PSI_T_QUOTED_STRING
) {
1412 dprintf(fd
, "\"%s\";\n", cnst
->val
->text
);
1414 dprintf(fd
, "%s;\n", cnst
->val
->text
);
1420 for (i
= 0; i
< C
->decls
->count
; ++i
) {
1421 decl
*decl
= C
->decls
->list
[i
];
1423 dprintf(fd
, "%s ", decl
->abi
->convention
);
1424 dump_decl_arg(fd
, decl
->func
);
1427 for (j
= 0; j
< decl
->args
->count
; ++j
) {
1431 dump_decl_arg(fd
, decl
->args
->args
[j
]);
1433 if (decl
->args
->varargs
) {
1434 dprintf(fd
, ", ...");
1437 dprintf(fd
, ");\n");
1442 for (i
= 0; i
< C
->impls
->count
; ++i
) {
1443 impl
*impl
= C
->impls
->list
[i
];
1445 dprintf(fd
, "function %s(", impl
->func
->name
);
1446 if (impl
->func
->args
) {
1447 for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
1448 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
1450 dprintf(fd
, "%s%s %s$%s",
1453 iarg
->var
->reference
? "&" : "",
1456 dprintf(fd
, " = %s", iarg
->def
->text
);
1459 if (impl
->func
->args
->vararg
.name
) {
1460 impl_arg
*vararg
= impl
->func
->args
->vararg
.name
;
1462 dprintf(fd
, ", %s %s...$%s",
1464 vararg
->var
->reference
? "&" : "",
1468 dprintf(fd
, ") : %s%s {\n",
1469 impl
->func
->return_reference
? "&":"",
1470 impl
->func
->return_type
->name
);
1472 for (j
= 0; j
< impl
->stmts
->let
.count
; ++j
) {
1473 let_stmt
*let
= impl
->stmts
->let
.list
[j
];
1475 dprintf(fd
, "\tlet %s", let
->var
->name
);
1477 dprintf(fd
, " = %s", let
->val
->flags
.one
.is_reference
? "&" : "");
1478 switch (let
->val
->kind
) {
1480 dprintf(fd
, "NULL");
1483 dump_decl_var(fd
, let
->val
->data
.var
);
1485 case PSI_LET_CALLOC
:
1486 dprintf(fd
, "calloc(");
1487 dump_num_exp(fd
, let
->val
->data
.alloc
->nmemb
);
1489 dump_num_exp(fd
, let
->val
->data
.alloc
->size
);
1493 dprintf(fd
, "%s($%s)", let
->val
->data
.func
->name
,
1494 let
->val
->data
.func
->var
->name
);
1497 EMPTY_SWITCH_DEFAULT_CASE();
1502 for (j
= 0; j
< impl
->stmts
->ret
.count
; ++j
) {
1503 return_stmt
*ret
= impl
->stmts
->ret
.list
[j
];
1505 dprintf(fd
, "\treturn ");
1506 dump_impl_set_value(fd
, ret
->set
, 1);
1508 for (j
= 0; j
< impl
->stmts
->set
.count
; ++j
) {
1509 set_stmt
*set
= impl
->stmts
->set
.list
[j
];
1511 dprintf(fd
, "\tset $%s = ", set
->var
->name
);
1512 dump_impl_set_value(fd
, set
->val
, 1);
1514 for (j
= 0; j
< impl
->stmts
->fre
.count
; ++j
) {
1515 free_stmt
*fre
= impl
->stmts
->fre
.list
[j
];
1517 dprintf(fd
, "\tfree ");
1518 for (k
= 0; k
< fre
->calls
->count
; ++k
) {
1519 free_call
*call
= fre
->calls
->list
[k
];
1524 dprintf(fd
, "%s(", call
->func
);
1525 for (l
= 0; l
< call
->vars
->count
; ++l
) {
1526 decl_var
*fvar
= call
->vars
->vars
[l
];
1528 dump_decl_var(fd
, fvar
);
1530 dprintf(fd
, ");\n");
1540 void PSI_ContextDtor(PSI_Context
*C
)
1543 zend_function_entry
*zfe
;
1549 free_decl_libs(&C
->psi
.libs
);
1552 for (i
= 0; i
< C
->count
; ++i
) {
1553 PSI_DataDtor(&C
->data
[i
]);
1559 for (zfe
= C
->closures
; zfe
->fname
; ++zfe
) {
1560 free((void *) zfe
->arg_info
);
1566 if (C
->consts
->list
) {
1567 free(C
->consts
->list
);
1572 if (C
->defs
->list
) {
1573 free(C
->defs
->list
);
1578 if (C
->structs
->list
) {
1579 free(C
->structs
->list
);
1584 if (C
->decls
->list
) {
1585 free(C
->decls
->list
);
1590 if (C
->impls
->list
) {
1591 free(C
->impls
->list
);
1596 memset(C
, 0, sizeof(*C
));
1599 void PSI_ContextFree(PSI_Context
**C
)
1602 PSI_ContextDtor(*C
);