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>
86 # define NAMLEN(dirent) strlen ((dirent)->d_name)
88 # define dirent direct
89 # define NAMLEN(dirent) ((dirent)->d_namlen)
90 # ifdef HAVE_SYS_NDIR_H
91 # include <sys/ndir.h>
93 # ifdef HAVE_SYS_DIR_H
101 #include <sys/param.h>
106 #include "php_scandir.h"
114 static struct psi_std_type
{
116 const char *type_name
;
117 } psi_std_types
[] = {
118 {PSI_T_FLOAT
, "float"},
119 {PSI_T_DOUBLE
, "double"},
120 {PSI_T_INT8
, "int8_t"},
121 {PSI_T_INT16
, "int16_t"},
122 {PSI_T_INT32
, "int32_t"},
123 {PSI_T_INT64
, "int64_t"},
124 {PSI_T_UINT8
, "uint8_t"},
125 {PSI_T_UINT16
, "uint16_t"},
126 {PSI_T_UINT32
, "uint32_t"},
127 {PSI_T_UINT64
, "uint64_t"},
131 static struct psi_predef_type
{
133 const char *type_name
;
135 } psi_predef_types
[] = {
140 static struct psi_predef_const
{
142 const char *type_name
;
143 const char *var_name
;
144 const char *val_text
;
145 token_t val_type_tag
;
146 } psi_predef_consts
[] = {
153 int psi_glob(const char *pattern
, int flags
,
154 int (*errfunc
) (const char *epath
, int eerrno
),
156 size_t offs
= flags
& GLOB_DOOFFS
? pglob
->gl_offs
: 0;
157 int rv
= glob(pattern
, flags
, errfunc
, pglob
);
158 if (pglob
->gl_pathv
) {
160 pglob
->gl_pathv
[offs
] = NULL
;
166 static struct psi_func_redir
{
169 } psi_func_redirs
[] = {
170 {"glob", (void (*)(void)) psi_glob
},
175 static struct psi_predef_decl
{
177 const char *type_name
;
178 const char *var_name
;
179 size_t pointer_level
;
181 } psi_predef_decls
[] = {
186 static struct psi_predef_struct
{
188 const char *type_name
;
189 const char *var_name
;
192 size_t pointer_level
;
194 } psi_predef_structs
[] = {
199 static int validate_lib(PSI_Data
*data
, void **dlopened
) {
200 char lib
[MAXPATHLEN
];
201 const char *ptr
= data
->psi
.file
.ln
;
205 /* FIXME: assume stdlib */
207 } else if (!strchr(ptr
, '/')) {
208 len
= snprintf(lib
, MAXPATHLEN
, "lib%s.%s", ptr
, PHP_PSI_SHLIB_SUFFIX
);
209 if (MAXPATHLEN
== len
) {
210 data
->error(PSI_WARNING
, "Library name too long: '%s'", ptr
);
215 if (!(*dlopened
= dlopen(ptr
, RTLD_LAZY
|RTLD_LOCAL
))) {
216 data
->error(PSI_WARNING
, "Could not open library '%s': %s.",
217 data
->psi
.file
.ln
, dlerror());
223 static inline int locate_decl_type_alias(decl_typedefs
*defs
, decl_type
*type
) {
225 struct psi_std_type
*stdtyp
;
230 for (i
= 0; i
< defs
->count
; ++i
) {
231 decl_typedef
*def
= defs
->list
[i
];
233 if (def
->type
->type
!= type
->type
&& !strcmp(def
->alias
, type
->name
)) {
234 type
->real
= def
->type
;
238 for (stdtyp
= &psi_std_types
[0]; stdtyp
->type_tag
; ++stdtyp
) {
239 if (!strcmp(type
->name
, stdtyp
->type_name
)) {
240 type
->type
= stdtyp
->type_tag
;
247 static inline int locate_decl_type_struct(decl_structs
*structs
, decl_type
*type
) {
253 for (i
= 0; i
< structs
->count
; ++i
) {
254 if (!strcmp(structs
->list
[i
]->name
, type
->name
)) {
255 type
->strct
= structs
->list
[i
];
262 static inline int validate_decl_type(PSI_Data
*data
, decl_type
*type
) {
263 switch (type
->type
) {
265 if (!data
->defs
|| !locate_decl_type_alias(data
->defs
, type
)) {
269 return validate_decl_type(data
, type
->real
);
273 if (!data
->structs
|| !locate_decl_type_struct(data
->structs
, type
)) {
280 static inline int validate_decl_typedef(PSI_Data
*data
, decl_typedef
*def
) {
281 if (!validate_decl_type(data
, def
->type
)) {
282 data
->error(PSI_WARNING
, "Type '%s' cannot be aliased to %s'%s'",
283 def
->type
->name
, def
->type
->type
== PSI_T_STRUCT
?"struct ":"",def
->alias
);
286 /* FIXME: check def->alias */
290 static inline int validate_constant(PSI_Data
*data
, constant
*c
) {
295 static inline int validate_decl_arg(PSI_Data
*data
, decl_arg
*arg
) {
296 if (!validate_decl_type(data
, arg
->type
)) {
297 data
->error(PSI_WARNING
, "Cannot use '%s'(%d) as type for '%s'",
298 arg
->type
->name
, arg
->type
->type
, arg
->var
->name
);
304 static inline int validate_decl_struct(PSI_Data
*data
, decl_struct
*s
) {
307 for (i
= 0; i
< s
->args
->count
; ++i
) {
308 if (!validate_decl_arg(data
, s
->args
->args
[i
])) {
313 for (i
= 0; i
< s
->args
->count
; ++i
) {
314 decl_arg
*darg
= s
->args
->args
[i
];
316 if (!validate_decl_arg(data
, darg
)) {
320 ZEND_ASSERT(!darg
->var
->arg
|| darg
->var
->arg
== darg
);
321 darg
->var
->arg
= darg
;
326 if (darg
->var
->pointer_level
&& (!darg
->var
->array_size
|| darg
->var
->pointer_level
== 1)) {
329 t
= real_decl_type(darg
->type
)->type
;
333 decl_arg
*last
= s
->args
->args
[i
-1];
334 darg
->layout
= init_decl_struct_layout(
335 psi_t_align(t
, last
->layout
->pos
+ last
->layout
->len
),
336 psi_t_size(t
) * darg
->var
->array_size
);
338 darg
->layout
= init_decl_struct_layout(0, psi_t_size(t
));
341 if (s
->size
< darg
->layout
->pos
+ darg
->layout
->len
) {
342 s
->size
= darg
->layout
->pos
+ darg
->layout
->len
;
348 static const char * const abi_ccs
[] = {
350 "extern", /* > - all the same */
355 static inline int validate_decl_abi(PSI_Data
*data
, decl_abi
*abi
) {
358 for (i
= 0; i
< sizeof(abi_ccs
)/sizeof(char*); ++i
) {
359 if (strcasecmp(abi
->convention
, abi_ccs
[i
])) {
363 data
->error(PSI_WARNING
, "Invalid calling convention: '%s'", abi
->convention
);
366 static inline int validate_decl_func(PSI_Data
*data
, void *dl
, decl
*decl
, decl_arg
*func
)
368 struct psi_func_redir
*redir
;
370 if (!strcmp(func
->var
->name
, "dlsym")) {
371 data
->error(PSI_WARNING
, "Cannot dlsym dlsym (sic!)");
375 if (!validate_decl_arg(data
, func
)) {
378 for (redir
= &psi_func_redirs
[0]; redir
->name
; ++redir
) {
379 if (!strcmp(func
->var
->name
, redir
->name
)) {
380 decl
->call
.sym
= redir
->func
;
383 if (!decl
->call
.sym
) {
385 # define RTLD_NEXT ((void *) -1l)
387 decl
->call
.sym
= dlsym(dl
?: RTLD_NEXT
, func
->var
->name
);
388 if (!decl
->call
.sym
) {
389 data
->error(PSI_WARNING
, "Failed to locate symbol '%s': %s",
390 func
->var
->name
, dlerror());
396 static inline int validate_decl(PSI_Data
*data
, void *dl
, decl
*decl
) {
397 if (!validate_decl_abi(data
, decl
->abi
)) {
400 if (!validate_decl_func(data
, dl
, decl
, decl
->func
)) {
406 for (i
= 0; i
< decl
->args
->count
; ++i
) {
407 if (!validate_decl_arg(data
, decl
->args
->args
[i
])) {
414 static inline decl_arg
*locate_decl_var_arg(decl_var
*var
, decl_args
*args
, decl_arg
*func
) {
417 for (i
= 0; i
< args
->count
; ++i
) {
418 decl_arg
*arg
= args
->args
[i
];
420 if (!strcmp(var
->name
, arg
->var
->name
)) {
421 ZEND_ASSERT(!var
->arg
|| var
->arg
== arg
);
422 return var
->arg
= arg
;
425 if (func
&& !strcmp(var
->name
, func
->var
->name
)) {
426 return var
->arg
= func
;
431 static inline decl_arg
*locate_struct_member(decl_struct
*s
, decl_var
*var
) {
433 return locate_decl_var_arg(var
, s
->args
, NULL
);
438 static inline constant
*locate_num_exp_constant(num_exp
*exp
, constants
*consts
) {
441 for (i
= 0; i
< consts
->count
; ++i
) {
442 constant
*cnst
= consts
->list
[i
];
444 if (!strcmp(cnst
->name
, exp
->u
.numb
)) {
446 return exp
->u
.cnst
= cnst
;
452 static inline int validate_num_exp(PSI_Data
*data
, decl_args
*dargs
, decl_arg
*func
, num_exp
*exp
) {
454 switch (exp
->operator) {
456 exp
->calculator
= psi_calc_add
;
459 exp
->calculator
= psi_calc_sub
;
462 exp
->calculator
= psi_calc_mul
;
465 exp
->calculator
= psi_calc_div
;
467 EMPTY_SWITCH_DEFAULT_CASE();
469 if (!validate_num_exp(data
, dargs
, func
, exp
->operand
)) {
475 if (!locate_decl_var_arg(exp
->u
.dvar
, dargs
, func
)) {
476 data
->error(PSI_WARNING
, "Unknown variable '%s' in numeric expression",
482 if (!locate_num_exp_constant(exp
, data
->consts
)) {
483 data
->error(PSI_WARNING
, "Unknown constant '%s' in numeric expression",
494 static inline int validate_set_value_handler(set_value
*set
) {
495 switch (set
->func
->type
) {
497 set
->func
->handler
= psi_to_bool
;
500 set
->func
->handler
= psi_to_int
;
503 set
->func
->handler
= psi_to_double
;
505 case PSI_T_TO_STRING
:
506 set
->func
->handler
= psi_to_string
;
509 set
->func
->handler
= psi_to_array
;
511 case PSI_T_TO_OBJECT
:
512 set
->func
->handler
= psi_to_object
;
515 set
->func
->handler
= psi_to_void
;
522 static inline void decl_var_arg_v(decl_args
*args
, va_list argp
) {
526 memset(args
, 0, sizeof(*args
));
528 while ((argc
= va_arg(argp
, int))) {
529 argv
= va_arg(argp
, decl_arg
**);
531 add_decl_arg(args
, *argv
++);
535 static inline int validate_set_value_ex(PSI_Data
*data
, set_value
*set
, decl_arg
*ref
, decl_args
*ref_list
) {
538 decl_var
*set_var
= set
->vars
->vars
[0];
540 if (!validate_set_value_handler(set
)) {
541 data
->error(PSI_WARNING
, "Invalid cast '%s'", set
->func
->name
);
545 for (i
= 0; i
< set
->vars
->count
; ++i
) {
546 decl_var
*svar
= set
->vars
->vars
[i
];
547 if (!svar
->arg
&& !locate_decl_var_arg(svar
, ref_list
, NULL
)) {
548 data
->error(PSI_WARNING
, "Unknown variable '%s'", svar
->name
);
556 ref_type
= real_decl_type(ref
->type
);
559 int is_to_array
= (set
->func
->type
== PSI_T_TO_ARRAY
);
560 int is_pointer_to_struct
= (ref_type
->type
== PSI_T_STRUCT
&& ref
->var
->pointer_level
);
562 if (!is_to_array
&& !is_pointer_to_struct
) {
563 data
->error(E_WARNING
, "Inner `set` statement casts only work with "
564 "to_array() casts on structs or pointers: %s(%s...", set
->func
->name
, set
->vars
->vars
[0]->name
);
569 if (!validate_num_exp(data
, ref_list
, ref
, set
->num
)) {
574 if (ref_type
->type
== PSI_T_STRUCT
) {
575 /* to_array(struct, to_...) */
576 for (i
= 0; i
< set
->count
; ++i
) {
577 decl_var
*sub_var
= set
->inner
[i
]->vars
->vars
[0];
578 decl_arg
*sub_ref
= locate_struct_member(ref_type
->strct
, sub_var
);
580 set
->inner
[i
]->outer
.set
= set
;
582 if (!validate_set_value_ex(data
, set
->inner
[i
], sub_ref
, ref_type
->strct
->args
)) {
587 } else if (set
->count
== 1) {
588 /* to_array(ptr, to_string(*ptr)) */
589 decl_var
*sub_var
= set
->inner
[0]->vars
->vars
[0];
590 decl_arg
*sub_ref
= locate_decl_var_arg(sub_var
, ref_list
, ref
);
592 set
->inner
[0]->outer
.set
= set
;
594 if (strcmp(sub_var
->name
, set_var
->name
)) {
595 data
->error(E_WARNING
, "Inner `set` statement casts on pointers must reference the same variable");
598 if (!validate_set_value_ex(data
, set
->inner
[0], sub_ref
, ref_list
)) {
602 } else if (set
->count
> 1) {
603 data
->error(E_WARNING
, "Inner `set` statement casts on pointers may only occur once");
609 static inline int validate_set_value(PSI_Data
*data
, set_value
*set
, ...) {
611 decl_args args
= {0};
615 decl_var_arg_v(&args
, argp
);
618 check
= validate_set_value_ex(data
, set
, NULL
, &args
);
624 static inline decl
*locate_impl_decl(decls
*decls
, return_stmt
*ret
) {
628 for (i
= 0; i
< decls
->count
; ++i
) {
629 if (!strcmp(decls
->list
[i
]->func
->var
->name
, ret
->set
->vars
->vars
[0]->name
)) {
630 ret
->decl
= decls
->list
[i
]->func
;
631 return decls
->list
[i
];
638 static inline int validate_impl_ret_stmt(PSI_Data
*data
, impl
*impl
) {
641 /* we must have exactly one ret stmt delcaring the native func to call */
642 /* and which type cast to apply */
643 if (impl
->stmts
->ret
.count
!= 1) {
644 if (impl
->stmts
->ret
.count
> 1) {
645 data
->error(PSI_WARNING
, "Too many `return` statements for implmentation %s;"
646 " found %zu, exactly one is needed",
647 impl
->func
->name
, impl
->stmts
->ret
.count
);
649 data
->error(PSI_WARNING
, "Missing `return` statement for implementation %s",
655 ret
= impl
->stmts
->ret
.list
[0];
657 if (!(impl
->decl
= locate_impl_decl(data
->decls
, ret
))) {
658 data
->error(PSI_WARNING
, "Missing declaration for implementation %s",
663 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)) {
667 impl
->decl
->impl
= impl
;
672 static inline int validate_impl_let_stmts(PSI_Data
*data
, impl
*impl
) {
674 /* we can have multiple let stmts */
676 /* check that we have a decl arg for every let stmt */
677 for (i
= 0; i
< impl
->stmts
->let
.count
; ++i
) {
678 let_stmt
*let
= impl
->stmts
->let
.list
[i
];
682 if (let
->val
&& let
->val
->kind
== PSI_LET_TMP
) {
683 let_var
= let
->val
->data
.var
;
688 if (!locate_decl_var_arg(let_var
, impl
->decl
->args
, impl
->decl
->func
)) {
689 data
->error(PSI_WARNING
, "Unknown variable '%s' in `let` statement"
690 " of implementation '%s'", let_var
->name
, impl
->func
->name
);
694 switch (let
->val
->kind
) {
698 /* e.g. let bar = &strval($bar); // decl_arg(char **bar) */
699 /* e.g. let foo = *bar; */
700 let
->var
->pointer_level
= let
->val
->data
.var
->pointer_level
;
701 let
->var
->arg
= init_decl_arg(
703 real_decl_type(let
->val
->data
.var
->arg
->type
)->type
,
704 real_decl_type(let
->val
->data
.var
->arg
->type
)->name
),
707 let
->var
->pointer_level
,
708 let
->var
->array_size
));
711 if (!validate_num_exp(data
, impl
->decl
->args
, impl
->decl
->func
, let
->val
->data
.num
)) {
716 if (!validate_num_exp(data
, impl
->decl
->args
, impl
->decl
->func
, let
->val
->data
.alloc
->nmemb
)) {
719 if (!validate_num_exp(data
, impl
->decl
->args
, impl
->decl
->func
, let
->val
->data
.alloc
->size
)) {
724 if (impl
->func
->args
) {
725 for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
726 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
728 if (!strcmp(let
->val
->data
.func
->var
->name
, iarg
->var
->name
)) {
729 let
->val
->data
.func
->arg
= iarg
;
736 data
->error(PSI_WARNING
, "Unknown value '$%s' of `let` statement"
737 " for variable '%s' of implementation '%s'",
738 let
->val
->data
.func
->var
->name
, let
->var
->name
, impl
->func
->name
);
745 /* check that we have a let stmt for every decl arg */
746 if (impl
->decl
->args
) for (i
= 0; i
< impl
->decl
->args
->count
; ++i
) {
747 decl_arg
*darg
= impl
->decl
->args
->args
[i
];
750 for (j
= 0; j
< impl
->stmts
->let
.count
; ++j
) {
751 let_stmt
*let
= impl
->stmts
->let
.list
[j
];
753 if (!strcmp(let
->var
->name
, darg
->var
->name
)) {
760 data
->error(PSI_WARNING
, "Missing `let` statement for arg '%s %.*s%s'"
761 " of declaration '%s' for implementation '%s'",
762 darg
->type
->name
, (int) darg
->var
->pointer_level
, "*****",
763 darg
->var
->name
, impl
->decl
->func
->var
->name
, impl
->func
->name
);
770 static inline int validate_impl_set_stmts(PSI_Data
*data
, impl
*impl
) {
772 /* we can have any count of set stmts; processing out vars */
773 /* check that set stmts reference known variables */
774 for (i
= 0; i
< impl
->stmts
->set
.count
; ++i
) {
775 set_stmt
*set
= impl
->stmts
->set
.list
[i
];
778 if (impl
->func
->args
) for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
779 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
781 if (!strcmp(set
->var
->name
, iarg
->var
->name
)) {
788 data
->error(PSI_WARNING
, "Unknown variable '$%s' of `set` statement"
789 " of implementation '%s'",
790 set
->var
->name
, impl
->func
->name
);
794 for (j
= 0; j
< set
->val
->vars
->count
; ++j
) {
795 decl_var
*set_var
= set
->val
->vars
->vars
[j
];
798 if (impl
->decl
->args
) {
799 for (k
= 0; k
< impl
->decl
->args
->count
; ++k
) {
800 decl_arg
*set_arg
= impl
->decl
->args
->args
[k
];
802 if (!strcmp(set_var
->name
, set_arg
->var
->name
)) {
804 set_var
->arg
= set_arg
;
805 if (!validate_set_value(data
, set
->val
, 1, &set_arg
, 1, &impl
->decl
->func
, impl
->decl
->args
->count
, impl
->decl
->args
->args
, 0)) {
813 for (k
= 0; k
< impl
->stmts
->let
.count
; ++k
) {
814 let_stmt
*let
= impl
->stmts
->let
.list
[k
];
816 /* check temp vars */
817 if (let
->val
&& let
->val
->kind
== PSI_LET_TMP
) {
818 if (!strcmp(set_var
->name
, let
->var
->name
)) {
820 set_var
->arg
= let
->var
->arg
;
821 if (!validate_set_value(data
, set
->val
, 1, &set_var
->arg
, 1, &impl
->decl
->func
, impl
->decl
->args
->count
, impl
->decl
->args
->args
, 0)) {
831 data
->error(PSI_WARNING
, "Unknown value '%s' of `set` statement"
832 " for variable '$%s' of implementation '%s'",
833 set_var
->name
, set
->arg
->var
->name
, impl
->func
->name
);
840 static inline decl
*locate_free_decl(decls
*decls
, free_call
*f
) {
844 for (i
= 0; i
< decls
->count
; ++i
) {
845 if (!strcmp(decls
->list
[i
]->func
->var
->name
, f
->func
)) {
846 f
->decl
= decls
->list
[i
];
847 return decls
->list
[i
];
854 static inline int validate_impl_free_stmts(PSI_Data
*data
, impl
*impl
) {
856 /* we can have any count of free stmts; freeing any out vars */
857 for (i
= 0; i
< impl
->stmts
->fre
.count
; ++i
) {
858 free_stmt
*fre
= impl
->stmts
->fre
.list
[i
];
860 for (j
= 0; j
< fre
->calls
->count
; ++j
) {
861 free_call
*free_call
= fre
->calls
->list
[j
];
863 /* first find the decl of the free func */
864 if (!locate_free_decl(data
->decls
, free_call
)) {
865 data
->error(PSI_WARNING
, "Unknown function '%s' in `free` statement"
866 " of implementation '%s'", free_call
->func
, impl
->func
->name
);
869 if (!impl
->decl
->args
) {
870 data
->error(PSI_WARNING
, "Declaration '%s' of implementation '%s'"
871 " does not have any arguments to free",
872 impl
->decl
->func
->var
->name
, impl
->func
->name
);
875 /* now check for known vars */
876 for (l
= 0; l
< free_call
->vars
->count
; ++l
) {
878 decl_var
*free_var
= free_call
->vars
->vars
[l
];
880 for (k
= 0; k
< impl
->decl
->args
->count
; ++k
) {
881 decl_arg
*free_arg
= impl
->decl
->args
->args
[k
];
883 if (!strcmp(free_var
->name
, free_arg
->var
->name
)) {
885 free_var
->arg
= free_arg
;
891 data
->error(PSI_WARNING
, "Unknown variable '%s' of `free` statement"
892 " of implementation '%s'",
893 free_var
->name
, impl
->func
->name
);
901 static inline int validate_impl_stmts(PSI_Data
*data
, impl
*impl
) {
903 data
->error(PSI_WARNING
, "Missing body for implementation %s!",
908 if (!validate_impl_ret_stmt(data
, impl
)) {
912 if (!validate_impl_let_stmts(data
, impl
)) {
915 if (!validate_impl_set_stmts(data
, impl
)) {
918 if (!validate_impl_free_stmts(data
, impl
)) {
925 PSI_Context
*PSI_ContextInit(PSI_Context
*C
, PSI_ContextOps
*ops
, PSI_ContextErrorFunc error
)
929 struct psi_predef_type
*predef_type
;
930 struct psi_predef_const
*predef_const
;
931 struct psi_predef_struct
*predef_struct
;
932 struct psi_predef_decl
*predef_decl
;
935 C
= malloc(sizeof(*C
));
937 memset(C
, 0, sizeof(*C
));
946 ZEND_ASSERT(ops
->call
!= NULL
);
947 ZEND_ASSERT(ops
->compile
!= NULL
);
949 /* build up predefs in a temporary PSI_Data for validation */
950 memset(&T
, 0, sizeof(T
));
953 for (predef_type
= &psi_predef_types
[0]; predef_type
->type_tag
; ++predef_type
) {
954 decl_type
*type
= init_decl_type(predef_type
->type_tag
, predef_type
->type_name
);
955 decl_typedef
*def
= init_decl_typedef(predef_type
->alias
, type
);
957 T
.defs
= add_decl_typedef(T
.defs
, def
);
959 for (predef_const
= &psi_predef_consts
[0]; predef_const
->type_tag
; ++predef_const
) {
960 impl_def_val
*val
= init_impl_def_val(predef_const
->val_type_tag
, predef_const
->val_text
);
961 const_type
*type
= init_const_type(predef_const
->type_tag
, predef_const
->type_name
);
962 constant
*constant
= init_constant(type
, predef_const
->var_name
, val
);
964 T
.consts
= add_constant(T
.consts
, constant
);
966 for (predef_struct
= &psi_predef_structs
[0]; predef_struct
->type_tag
; ++predef_struct
) {
967 struct psi_predef_struct
*member
;
968 decl_args
*dargs
= init_decl_args(NULL
);
969 decl_struct
*dstruct
= init_decl_struct(predef_struct
->var_name
, dargs
);
971 dstruct
->size
= predef_struct
->size
;
972 for (member
= &predef_struct
[1]; member
->type_tag
; ++member
) {
977 type
= init_decl_type(member
->type_tag
, member
->type_name
);
978 dvar
= init_decl_var(member
->var_name
, member
->pointer_level
, member
->array_size
);
979 darg
= init_decl_arg(type
, dvar
);
980 darg
->layout
= init_decl_struct_layout(member
->offset
, member
->size
);
981 dargs
= add_decl_arg(dargs
, darg
);
984 T
.structs
= add_decl_struct(T
.structs
, dstruct
);
985 predef_struct
= member
;
987 for (predef_decl
= &psi_predef_decls
[0]; predef_decl
->type_tag
; ++predef_decl
) {
988 struct psi_predef_decl
*farg
;
989 decl_type
*ftype
= init_decl_type(predef_decl
->type_tag
, predef_decl
->type_name
);
990 decl_var
*fname
= init_decl_var(predef_decl
->var_name
, predef_decl
->pointer_level
, predef_decl
->array_size
);
991 decl_arg
*func
= init_decl_arg(ftype
, fname
);
992 decl_args
*args
= init_decl_args(NULL
);
993 decl
*decl
= init_decl(init_decl_abi("default"), func
, args
);
996 for (farg
= &predef_decl
[1]; farg
->type_tag
; ++farg
) {
997 decl_type
*arg_type
= init_decl_type(farg
->type_tag
, farg
->type_name
);
998 decl_var
*arg_var
= init_decl_var(farg
->var_name
, farg
->pointer_level
, farg
->array_size
);
999 decl_arg
*darg
= init_decl_arg(arg_type
, arg_var
);
1000 args
= add_decl_arg(args
, darg
);
1003 T
.decls
= add_decl(T
.decls
, decl
);
1007 for (i
= 0; i
< T
.defs
->count
; ++i
) {
1008 decl_typedef
*def
= T
.defs
->list
[i
];
1010 if (validate_decl_typedef(&T
, def
)) {
1011 C
->defs
= add_decl_typedef(C
->defs
, def
);
1015 for (i
= 0; i
< T
.consts
->count
; ++i
) {
1016 constant
*constant
= T
.consts
->list
[i
];
1018 if (validate_constant(&T
, constant
)) {
1019 C
->consts
= add_constant(C
->consts
, constant
);
1023 for (i
= 0; i
< T
.structs
->count
; ++i
) {
1024 decl_struct
*dstruct
= T
.structs
->list
[i
];
1026 if (validate_decl_struct(&T
, dstruct
)) {
1027 C
->structs
= add_decl_struct(C
->structs
, dstruct
);
1031 for (i
= 0; i
< T
.decls
->count
; ++i
) {
1032 decl
*decl
= T
.decls
->list
[i
];
1034 if (validate_decl(&T
, NULL
, decl
)) {
1035 C
->decls
= add_decl(C
->decls
, decl
);
1040 C
->data
= malloc(sizeof(*C
->data
));
1041 PSI_DataExchange(C
->data
, &T
);
1046 int PSI_ContextValidate(PSI_Context
*C
, PSI_Parser
*P
)
1049 void *dlopened
= NULL
;
1050 size_t count
= C
->count
++;
1052 C
->data
= realloc(C
->data
, C
->count
* sizeof(*C
->data
));
1053 D
= PSI_DataExchange(&C
->data
[count
], PSI_DATA(P
));
1058 for (i
= 0; i
< D
->defs
->count
; ++i
) {
1059 if (validate_decl_typedef(PSI_DATA(C
), D
->defs
->list
[i
])) {
1060 C
->defs
= add_decl_typedef(C
->defs
, D
->defs
->list
[i
]);
1067 for (i
= 0; i
< D
->structs
->count
; ++i
) {
1068 if (validate_decl_struct(PSI_DATA(C
), D
->structs
->list
[i
])) {
1069 C
->structs
= add_decl_struct(C
->structs
, D
->structs
->list
[i
]);
1076 for (i
= 0; i
< D
->consts
->count
; ++i
) {
1077 if (validate_constant(PSI_DATA(C
), D
->consts
->list
[i
])) {
1078 C
->consts
= add_constant(C
->consts
, D
->consts
->list
[i
]);
1083 if (!validate_lib(D
, &dlopened
)) {
1087 add_decl_lib(&C
->psi
.libs
, dlopened
);
1092 for (i
= 0; i
< D
->decls
->count
; ++i
) {
1093 if (validate_decl(PSI_DATA(C
), dlopened
, D
->decls
->list
[i
])) {
1094 C
->decls
= add_decl(C
->decls
, D
->decls
->list
[i
]);
1101 for (i
= 0; i
< D
->impls
->count
; ++i
) {
1102 if (validate_impl_stmts(PSI_DATA(C
), D
->impls
->list
[i
])) {
1103 C
->impls
= add_impl(C
->impls
, D
->impls
->list
[i
]);
1111 static int psi_select_dirent(const struct dirent
*entry
)
1113 #ifndef FNM_CASEFOLD
1114 #define FNM_CASEFOLD 0
1116 return 0 == fnmatch("*.psi", entry
->d_name
, FNM_CASEFOLD
);
1119 void PSI_ContextBuild(PSI_Context
*C
, const char *paths
)
1121 int i
, n
, flags
= psi_check_env("PSI_DEBUG") ? PSI_PARSER_DEBUG
: 0;
1122 char *sep
= NULL
, *cpy
= strdup(paths
), *ptr
= cpy
;
1123 struct dirent
**entries
= NULL
;
1127 sep
= strchr(ptr
, ':');
1133 n
= php_scandir(ptr
, &entries
, psi_select_dirent
, alphasort
);
1136 for (i
= 0; i
< n
; ++i
) {
1137 char psi
[MAXPATHLEN
];
1140 if (MAXPATHLEN
<= slprintf(psi
, MAXPATHLEN
, "%s/%s", ptr
, entries
[i
]->d_name
)) {
1141 C
->error(PSI_WARNING
, "Path to PSI file too long: %s/%s",
1142 ptr
, entries
[i
]->d_name
);
1144 if (!PSI_ParserInit(&P
, psi
, C
->error
, flags
)) {
1145 C
->error(PSI_WARNING
, "Failed to init PSI parser (%s): %s",
1146 psi
, strerror(errno
));
1150 while (0 < PSI_ParserScan(&P
)) {
1151 PSI_ParserParse(&P
, PSI_TokenAlloc(&P
));
1152 if (P
.num
== PSI_T_EOF
) {
1157 PSI_ParserParse(&P
, NULL
);
1158 PSI_ContextValidate(C
, &P
);
1164 for (i
= 0; i
< n
; ++i
) {
1174 if (PSI_ContextCompile(C
) && SUCCESS
!= zend_register_functions(NULL
, C
->closures
, NULL
, MODULE_PERSISTENT
)) {
1175 C
->error(PSI_WARNING
, "Failed to register functions!");
1182 zend_function_entry
*PSI_ContextCompile(PSI_Context
*C
)
1189 zc
.flags
= CONST_PERSISTENT
|CONST_CS
;
1190 zc
.module_number
= EG(current_module
)->module_number
;
1192 for (i
= 0; i
< C
->consts
->count
; ++i
) {
1193 constant
*c
= C
->consts
->list
[i
];
1195 zc
.name
= zend_string_init(c
->name
+ (c
->name
[0] == '\\'), strlen(c
->name
) - (c
->name
[0] == '\\'), 1);
1196 ZVAL_NEW_STR(&zc
.value
, zend_string_init(c
->val
->text
, strlen(c
->val
->text
), 1));
1198 switch (c
->type
->type
) {
1200 convert_to_boolean(&zc
.value
);
1203 convert_to_long(&zc
.value
);
1206 convert_to_double(&zc
.value
);
1209 zend_register_constant(&zc
);
1213 return C
->closures
= C
->ops
->compile(C
);
1217 void PSI_ContextCall(PSI_Context
*C
, impl_val
*ret_val
, decl
*decl
)
1219 C
->ops
->call(C
, ret_val
, decl
);
1222 static inline void dump_decl_type(int fd
, decl_type
*t
) {
1232 dprintf(fd
, "%s%s", pre
, t
->name
);
1234 static inline void dump_decl_var(int fd
, decl_var
*v
) {
1235 dprintf(fd
, "%.*s%s", v
->pointer_level
-!!v
->array_size
, "**********", v
->name
);
1236 if (v
->array_size
) {
1237 dprintf(fd
, "[%u]", v
->array_size
);
1240 static inline void dump_decl_arg(int fd
, decl_arg
*a
) {
1241 dump_decl_type(fd
, a
->type
);
1243 dump_decl_var(fd
, a
->var
);
1245 static inline void dump_level(int fd
, unsigned level
) {
1246 dprintf(fd
, "%.*s", level
, "\t\t\t\t\t\t\t\t\t");
1248 static inline void dump_num_exp(int fd
, num_exp
*exp
) {
1252 dprintf(fd
, "%s", exp
->u
.numb
);
1255 dprintf(fd
, "%s", exp
->u
.cnst
->name
);
1258 dump_decl_var(fd
, exp
->u
.dvar
);
1260 EMPTY_SWITCH_DEFAULT_CASE();
1265 switch (exp
->operator) {
1266 case PSI_T_PLUS
: op
= '+'; break;
1267 case PSI_T_MINUS
: op
= '-'; break;
1268 case PSI_T_ASTERISK
:op
= '*'; break;
1269 case PSI_T_SLASH
: op
= '/'; break;
1270 EMPTY_SWITCH_DEFAULT_CASE();
1272 dprintf(fd
, " %c ", op
);
1277 static inline void dump_impl_set_value(int fd
, set_value
*set
, unsigned level
) {
1281 /* only if not directly after `set ...` */
1282 dump_level(fd
, level
);
1284 dprintf(fd
, "%s(", set
->func
->name
);
1286 for (i
= 0; i
< set
->vars
->count
; ++i
) {
1287 decl_var
*svar
= set
->vars
->vars
[i
];
1291 dump_decl_var(fd
, svar
);
1295 dump_num_exp(fd
, set
->num
);
1299 for (i
= 0; i
< set
->count
; ++i
) {
1300 dump_impl_set_value(fd
, set
->inner
[i
], level
+1);
1302 /* only if inner stmts, i.e. with new lines, were dumped */
1303 dump_level(fd
, level
);
1306 dprintf(fd
, "),\n");
1308 dprintf(fd
, ");\n");
1311 void PSI_ContextDump(PSI_Context
*C
, int fd
)
1316 if (C
->ops
== PSI_Libjit()) {
1317 dprintf(fd
, "// psi.engine=jit\n");
1321 if (C
->ops
== PSI_Libffi()) {
1322 dprintf(fd
, "// psi.engine=ffi\n");
1328 for (i
= 0; i
< C
->defs
->count
; ++i
) {
1329 decl_typedef
*tdef
= C
->defs
->list
[i
];
1331 dprintf(fd
, "typedef ");
1332 dump_decl_type(fd
, tdef
->type
);
1333 dprintf(fd
, " %s;\n", tdef
->alias
);
1339 for (i
= 0; i
< C
->structs
->count
; ++i
) {
1340 decl_struct
*strct
= C
->structs
->list
[i
];
1342 dprintf(fd
, "struct %s::(%zu) {\n", strct
->name
, strct
->size
);
1343 if (strct
->args
) for (j
= 0; j
< strct
->args
->count
; ++j
) {
1344 decl_arg
*sarg
= strct
->args
->args
[j
];
1347 dump_decl_arg(fd
, sarg
);
1348 dprintf(fd
, "::(%zu, %zu);\n", sarg
->layout
->pos
, sarg
->layout
->len
);
1355 for (i
= 0; i
< C
->consts
->count
; ++i
) {
1356 constant
*cnst
= C
->consts
->list
[i
];
1358 dprintf(fd
, "const %s %s = ", cnst
->type
->name
, cnst
->name
);
1359 if (cnst
->val
->type
== PSI_T_QUOTED_STRING
) {
1360 dprintf(fd
, "\"%s\";\n", cnst
->val
->text
);
1362 dprintf(fd
, "%s;\n", cnst
->val
->text
);
1368 for (i
= 0; i
< C
->decls
->count
; ++i
) {
1369 decl
*decl
= C
->decls
->list
[i
];
1371 dprintf(fd
, "%s ", decl
->abi
->convention
);
1372 dump_decl_arg(fd
, decl
->func
);
1374 if (decl
->args
) for (j
= 0; j
< decl
->args
->count
; ++j
) {
1378 dump_decl_arg(fd
, decl
->args
->args
[j
]);
1380 dprintf(fd
, ");\n");
1385 for (i
= 0; i
< C
->impls
->count
; ++i
) {
1386 impl
*impl
= C
->impls
->list
[i
];
1388 dprintf(fd
, "function %s(", impl
->func
->name
);
1389 if (impl
->func
->args
) for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
1390 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
1392 dprintf(fd
, "%s%s %s$%s",
1395 iarg
->var
->reference
? "&" : "",
1398 dprintf(fd
, " = %s", iarg
->def
->text
);
1401 dprintf(fd
, ") : %s%s {\n",
1402 impl
->func
->return_reference
? "&":"",
1403 impl
->func
->return_type
->name
);
1405 for (j
= 0; j
< impl
->stmts
->let
.count
; ++j
) {
1406 let_stmt
*let
= impl
->stmts
->let
.list
[j
];
1408 dprintf(fd
, "\tlet %s", let
->var
->name
);
1410 dprintf(fd
, " = %s", let
->val
->flags
.one
.is_reference
? "&" : "");
1411 switch (let
->val
->kind
) {
1413 dprintf(fd
, "NULL");
1416 dump_decl_var(fd
, let
->val
->data
.var
);
1418 case PSI_LET_CALLOC
:
1419 dprintf(fd
, "calloc(");
1420 dump_num_exp(fd
, let
->val
->data
.alloc
->nmemb
);
1422 dump_num_exp(fd
, let
->val
->data
.alloc
->size
);
1426 dprintf(fd
, "%s($%s)", let
->val
->data
.func
->name
,
1427 let
->val
->data
.func
->var
->name
);
1430 EMPTY_SWITCH_DEFAULT_CASE();
1435 for (j
= 0; j
< impl
->stmts
->ret
.count
; ++j
) {
1436 return_stmt
*ret
= impl
->stmts
->ret
.list
[j
];
1438 dprintf(fd
, "\treturn ");
1439 dump_impl_set_value(fd
, ret
->set
, 1);
1441 for (j
= 0; j
< impl
->stmts
->set
.count
; ++j
) {
1442 set_stmt
*set
= impl
->stmts
->set
.list
[j
];
1444 dprintf(fd
, "\tset $%s = ", set
->var
->name
);
1445 dump_impl_set_value(fd
, set
->val
, 1);
1447 for (j
= 0; j
< impl
->stmts
->fre
.count
; ++j
) {
1448 free_stmt
*fre
= impl
->stmts
->fre
.list
[j
];
1450 dprintf(fd
, "\tfree ");
1451 for (k
= 0; k
< fre
->calls
->count
; ++k
) {
1452 free_call
*call
= fre
->calls
->list
[k
];
1457 dprintf(fd
, "%s(", call
->func
);
1458 for (l
= 0; l
< call
->vars
->count
; ++l
) {
1459 decl_var
*fvar
= call
->vars
->vars
[l
];
1461 dump_decl_var(fd
, fvar
);
1463 dprintf(fd
, ");\n");
1473 void PSI_ContextDtor(PSI_Context
*C
)
1476 zend_function_entry
*zfe
;
1482 free_decl_libs(&C
->psi
.libs
);
1485 for (i
= 0; i
< C
->count
; ++i
) {
1486 PSI_DataDtor(&C
->data
[i
]);
1492 for (zfe
= C
->closures
; zfe
->fname
; ++zfe
) {
1493 free((void *) zfe
->arg_info
);
1499 if (C
->consts
->list
) {
1500 free(C
->consts
->list
);
1505 if (C
->defs
->list
) {
1506 free(C
->defs
->list
);
1511 if (C
->structs
->list
) {
1512 free(C
->structs
->list
);
1517 if (C
->decls
->list
) {
1518 free(C
->decls
->list
);
1523 if (C
->impls
->list
) {
1524 free(C
->impls
->list
);
1529 memset(C
, 0, sizeof(*C
));
1532 void PSI_ContextFree(PSI_Context
**C
)
1535 PSI_ContextDtor(*C
);