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"
112 static struct psi_std_type
{
114 const char *type_name
;
115 } psi_std_types
[] = {
116 {PSI_T_FLOAT
, "float"},
117 {PSI_T_DOUBLE
, "double"},
118 {PSI_T_INT8
, "int8_t"},
119 {PSI_T_INT16
, "int16_t"},
120 {PSI_T_INT32
, "int32_t"},
121 {PSI_T_INT64
, "int64_t"},
122 {PSI_T_UINT8
, "uint8_t"},
123 {PSI_T_UINT16
, "uint16_t"},
124 {PSI_T_UINT32
, "uint32_t"},
125 {PSI_T_UINT64
, "uint64_t"},
129 static struct psi_predef_type
{
131 const char *type_name
;
133 } psi_predef_types
[] = {
138 static struct psi_predef_const
{
140 const char *type_name
;
141 const char *var_name
;
142 const char *val_text
;
143 token_t val_type_tag
;
144 } psi_predef_consts
[] = {
151 int psi_glob(const char *pattern
, int flags
,
152 int (*errfunc
) (const char *epath
, int eerrno
),
154 size_t offs
= flags
& GLOB_DOOFFS
? pglob
->gl_offs
: 0;
155 int rv
= glob(pattern
, flags
, errfunc
, pglob
);
156 if (pglob
->gl_pathv
) {
158 pglob
->gl_pathv
[offs
] = NULL
;
164 static struct psi_func_redir
{
167 } psi_func_redirs
[] = {
168 {"glob", (void (*)(void)) psi_glob
},
173 static struct psi_predef_decl
{
175 const char *type_name
;
176 const char *var_name
;
177 size_t pointer_level
;
179 } psi_predef_decls
[] = {
183 static struct psi_predef_decl psi_predef_vararg_decls
[] = {
188 static struct psi_predef_struct
{
190 const char *type_name
;
191 const char *var_name
;
194 size_t pointer_level
;
196 } psi_predef_structs
[] = {
201 static int validate_lib(PSI_Data
*data
, void **dlopened
) {
202 char lib
[MAXPATHLEN
];
203 const char *ptr
= data
->psi
.file
.ln
;
207 /* FIXME: assume stdlib */
209 } else if (!strchr(ptr
, '/')) {
210 len
= snprintf(lib
, MAXPATHLEN
, "lib%s.%s", ptr
, PHP_PSI_SHLIB_SUFFIX
);
211 if (MAXPATHLEN
== len
) {
212 data
->error(PSI_WARNING
, "Library name too long: '%s'", ptr
);
217 if (!(*dlopened
= dlopen(ptr
, RTLD_LAZY
|RTLD_LOCAL
))) {
218 data
->error(PSI_WARNING
, "Could not open library '%s': %s.",
219 data
->psi
.file
.ln
, dlerror());
225 static inline int locate_decl_type_alias(decl_typedefs
*defs
, decl_type
*type
) {
227 struct psi_std_type
*stdtyp
;
232 for (i
= 0; i
< defs
->count
; ++i
) {
233 decl_typedef
*def
= defs
->list
[i
];
235 if (def
->type
->type
!= type
->type
&& !strcmp(def
->alias
, type
->name
)) {
236 type
->real
= def
->type
;
240 for (stdtyp
= &psi_std_types
[0]; stdtyp
->type_tag
; ++stdtyp
) {
241 if (!strcmp(type
->name
, stdtyp
->type_name
)) {
242 type
->type
= stdtyp
->type_tag
;
249 static inline int locate_decl_type_struct(decl_structs
*structs
, decl_type
*type
) {
255 for (i
= 0; i
< structs
->count
; ++i
) {
256 if (!strcmp(structs
->list
[i
]->name
, type
->name
)) {
257 type
->strct
= structs
->list
[i
];
264 static inline int validate_decl_type(PSI_Data
*data
, decl_type
*type
) {
265 switch (type
->type
) {
267 if (!data
->defs
|| !locate_decl_type_alias(data
->defs
, type
)) {
271 return validate_decl_type(data
, type
->real
);
275 if (!data
->structs
|| !locate_decl_type_struct(data
->structs
, type
)) {
282 static inline int validate_decl_typedef(PSI_Data
*data
, decl_typedef
*def
) {
283 if (!validate_decl_type(data
, def
->type
)) {
284 data
->error(PSI_WARNING
, "Type '%s' cannot be aliased to %s'%s'",
285 def
->type
->name
, def
->type
->type
== PSI_T_STRUCT
?"struct ":"",def
->alias
);
288 /* FIXME: check def->alias */
292 static inline int validate_constant(PSI_Data
*data
, constant
*c
) {
297 static inline int validate_decl_arg(PSI_Data
*data
, decl_arg
*arg
) {
298 if (!validate_decl_type(data
, arg
->type
)) {
299 data
->error(PSI_WARNING
, "Cannot use '%s'(%d) as type for decl var '%s'"
300 " in %s on line %zu at col %zu",
301 arg
->type
->name
, arg
->type
->type
, arg
->var
->name
,
302 arg
->type
->token
->file
, arg
->type
->token
->line
, arg
->type
->token
->col
);
308 static inline int validate_decl_struct(PSI_Data
*data
, decl_struct
*s
) {
311 for (i
= 0; i
< s
->args
->count
; ++i
) {
312 if (!validate_decl_arg(data
, s
->args
->args
[i
])) {
317 for (i
= 0; i
< s
->args
->count
; ++i
) {
318 decl_arg
*darg
= s
->args
->args
[i
];
320 if (!validate_decl_arg(data
, darg
)) {
324 ZEND_ASSERT(!darg
->var
->arg
|| darg
->var
->arg
== darg
);
325 darg
->var
->arg
= darg
;
330 if (darg
->var
->pointer_level
&& (!darg
->var
->array_size
|| darg
->var
->pointer_level
== 1)) {
333 t
= real_decl_type(darg
->type
)->type
;
337 decl_arg
*last
= s
->args
->args
[i
-1];
338 darg
->layout
= init_decl_struct_layout(
339 psi_t_align(t
, last
->layout
->pos
+ last
->layout
->len
),
340 psi_t_size(t
) * darg
->var
->array_size
);
342 darg
->layout
= init_decl_struct_layout(0, psi_t_size(t
));
345 if (s
->size
< darg
->layout
->pos
+ darg
->layout
->len
) {
346 s
->size
= darg
->layout
->pos
+ darg
->layout
->len
;
352 static const char * const abi_ccs
[] = {
354 "extern", /* > - all the same */
359 static inline int validate_decl_abi(PSI_Data
*data
, decl_abi
*abi
) {
362 for (i
= 0; i
< sizeof(abi_ccs
)/sizeof(char*); ++i
) {
363 if (strcasecmp(abi
->convention
, abi_ccs
[i
])) {
367 data
->error(PSI_WARNING
, "Invalid calling convention: '%s'", abi
->convention
);
370 static inline int validate_decl_func(PSI_Data
*data
, void *dl
, decl
*decl
, decl_arg
*func
)
372 struct psi_func_redir
*redir
;
374 if (!strcmp(func
->var
->name
, "dlsym")) {
375 data
->error(PSI_WARNING
, "Cannot dlsym dlsym (sic!)");
379 if (!validate_decl_arg(data
, func
)) {
382 for (redir
= &psi_func_redirs
[0]; redir
->name
; ++redir
) {
383 if (!strcmp(func
->var
->name
, redir
->name
)) {
384 decl
->call
.sym
= redir
->func
;
387 if (!decl
->call
.sym
) {
389 # define RTLD_NEXT ((void *) -1l)
391 decl
->call
.sym
= dlsym(dl
?: RTLD_NEXT
, func
->var
->name
);
392 if (!decl
->call
.sym
) {
393 data
->error(PSI_WARNING
, "Failed to locate symbol '%s': %s",
394 func
->var
->name
, dlerror());
400 static inline int validate_decl(PSI_Data
*data
, void *dl
, decl
*decl
) {
401 if (!validate_decl_abi(data
, decl
->abi
)) {
404 if (!validate_decl_func(data
, dl
, decl
, decl
->func
)) {
410 for (i
= 0; i
< decl
->args
->count
; ++i
) {
411 if (!validate_decl_arg(data
, decl
->args
->args
[i
])) {
418 static inline decl_arg
*locate_decl_var_arg(decl_var
*var
, decl_args
*args
, decl_arg
*func
) {
421 for (i
= 0; i
< args
->count
; ++i
) {
422 decl_arg
*arg
= args
->args
[i
];
424 if (!strcmp(var
->name
, arg
->var
->name
)) {
425 ZEND_ASSERT(!var
->arg
|| var
->arg
== arg
);
426 return var
->arg
= arg
;
429 if (func
&& !strcmp(var
->name
, func
->var
->name
)) {
430 return var
->arg
= func
;
435 static inline decl_arg
*locate_struct_member(decl_struct
*s
, decl_var
*var
) {
437 return locate_decl_var_arg(var
, s
->args
, NULL
);
442 static inline constant
*locate_num_exp_constant(num_exp
*exp
, constants
*consts
) {
445 for (i
= 0; i
< consts
->count
; ++i
) {
446 constant
*cnst
= consts
->list
[i
];
448 if (!strcmp(cnst
->name
, exp
->u
.numb
)) {
450 return exp
->u
.cnst
= cnst
;
456 static inline int validate_num_exp(PSI_Data
*data
, decl_args
*dargs
, decl_arg
*func
, num_exp
*exp
) {
458 switch (exp
->operator) {
460 exp
->calculator
= psi_calc_add
;
463 exp
->calculator
= psi_calc_sub
;
466 exp
->calculator
= psi_calc_mul
;
469 exp
->calculator
= psi_calc_div
;
471 EMPTY_SWITCH_DEFAULT_CASE();
473 if (!validate_num_exp(data
, dargs
, func
, exp
->operand
)) {
479 if (!locate_decl_var_arg(exp
->u
.dvar
, dargs
, func
)) {
480 data
->error(PSI_WARNING
, "Unknown variable '%s' in numeric expression",
486 if (!locate_num_exp_constant(exp
, data
->consts
)) {
487 data
->error(PSI_WARNING
, "Unknown constant '%s' in numeric expression",
498 static inline int validate_set_value_handler(set_value
*set
) {
499 switch (set
->func
->type
) {
501 set
->func
->handler
= psi_to_bool
;
504 set
->func
->handler
= psi_to_int
;
507 set
->func
->handler
= psi_to_double
;
509 case PSI_T_TO_STRING
:
510 set
->func
->handler
= psi_to_string
;
513 set
->func
->handler
= psi_to_array
;
515 case PSI_T_TO_OBJECT
:
516 set
->func
->handler
= psi_to_object
;
519 set
->func
->handler
= psi_to_void
;
526 static inline void decl_var_arg_v(decl_args
*args
, va_list argp
) {
530 memset(args
, 0, sizeof(*args
));
532 while ((argc
= va_arg(argp
, int))) {
533 argv
= va_arg(argp
, decl_arg
**);
535 add_decl_arg(args
, *argv
++);
539 static inline int validate_set_value_ex(PSI_Data
*data
, set_value
*set
, decl_arg
*ref
, decl_args
*ref_list
) {
542 decl_var
*set_var
= set
->vars
->vars
[0];
544 if (!validate_set_value_handler(set
)) {
545 data
->error(PSI_WARNING
, "Invalid cast '%s'", set
->func
->name
);
549 for (i
= 0; i
< set
->vars
->count
; ++i
) {
550 decl_var
*svar
= set
->vars
->vars
[i
];
551 if (!svar
->arg
&& !locate_decl_var_arg(svar
, ref_list
, NULL
)) {
552 data
->error(PSI_WARNING
, "Unknown variable '%s'", svar
->name
);
560 ref_type
= real_decl_type(ref
->type
);
563 int is_to_array
= (set
->func
->type
== PSI_T_TO_ARRAY
);
564 int is_pointer_to_struct
= (ref_type
->type
== PSI_T_STRUCT
&& ref
->var
->pointer_level
);
566 if (!is_to_array
&& !is_pointer_to_struct
) {
567 data
->error(E_WARNING
, "Inner `set` statement casts only work with "
568 "to_array() casts on structs or pointers: %s(%s...", set
->func
->name
, set
->vars
->vars
[0]->name
);
573 if (!validate_num_exp(data
, ref_list
, ref
, set
->num
)) {
578 if (ref_type
->type
== PSI_T_STRUCT
) {
579 /* to_array(struct, to_...) */
580 for (i
= 0; i
< set
->count
; ++i
) {
581 decl_var
*sub_var
= set
->inner
[i
]->vars
->vars
[0];
582 decl_arg
*sub_ref
= locate_struct_member(ref_type
->strct
, sub_var
);
584 set
->inner
[i
]->outer
.set
= set
;
586 if (!validate_set_value_ex(data
, set
->inner
[i
], sub_ref
, ref_type
->strct
->args
)) {
591 } else if (set
->count
== 1) {
592 /* to_array(ptr, to_string(*ptr)) */
593 decl_var
*sub_var
= set
->inner
[0]->vars
->vars
[0];
594 decl_arg
*sub_ref
= locate_decl_var_arg(sub_var
, ref_list
, ref
);
596 set
->inner
[0]->outer
.set
= set
;
598 if (strcmp(sub_var
->name
, set_var
->name
)) {
599 data
->error(E_WARNING
, "Inner `set` statement casts on pointers must reference the same variable");
602 if (!validate_set_value_ex(data
, set
->inner
[0], sub_ref
, ref_list
)) {
606 } else if (set
->count
> 1) {
607 data
->error(E_WARNING
, "Inner `set` statement casts on pointers may only occur once");
613 static inline int validate_set_value(PSI_Data
*data
, set_value
*set
, ...) {
615 decl_args args
= {0};
619 decl_var_arg_v(&args
, argp
);
622 check
= validate_set_value_ex(data
, set
, NULL
, &args
);
628 static inline decl
*locate_impl_decl(decls
*decls
, return_stmt
*ret
) {
632 for (i
= 0; i
< decls
->count
; ++i
) {
633 if (!strcmp(decls
->list
[i
]->func
->var
->name
, ret
->set
->vars
->vars
[0]->name
)) {
634 ret
->decl
= decls
->list
[i
]->func
;
635 return decls
->list
[i
];
642 static inline int validate_impl_ret_stmt(PSI_Data
*data
, impl
*impl
) {
645 /* we must have exactly one ret stmt delcaring the native func to call */
646 /* and which type cast to apply */
647 if (impl
->stmts
->ret
.count
!= 1) {
648 if (impl
->stmts
->ret
.count
> 1) {
649 data
->error(PSI_WARNING
, "Too many `return` statements for implmentation %s;"
650 " found %zu, exactly one is needed",
651 impl
->func
->name
, impl
->stmts
->ret
.count
);
653 data
->error(PSI_WARNING
, "Missing `return` statement for implementation %s",
659 ret
= impl
->stmts
->ret
.list
[0];
661 if (!(impl
->decl
= locate_impl_decl(data
->decls
, ret
))) {
662 data
->error(PSI_WARNING
, "Missing declaration for implementation %s",
667 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)) {
671 impl
->decl
->impl
= impl
;
676 static inline int validate_impl_let_stmts(PSI_Data
*data
, impl
*impl
) {
678 /* we can have multiple let stmts */
680 /* check that we have a decl arg for every let stmt */
681 for (i
= 0; i
< impl
->stmts
->let
.count
; ++i
) {
682 let_stmt
*let
= impl
->stmts
->let
.list
[i
];
686 if (let
->val
&& let
->val
->kind
== PSI_LET_TMP
) {
687 let_var
= let
->val
->data
.var
;
692 if (!locate_decl_var_arg(let_var
, impl
->decl
->args
, impl
->decl
->func
)) {
693 data
->error(PSI_WARNING
, "Unknown variable '%s' in `let` statement"
694 " of implementation '%s'", let_var
->name
, impl
->func
->name
);
698 switch (let
->val
->kind
) {
702 /* e.g. let bar = &strval($bar); // decl_arg(char **bar) */
703 /* e.g. let foo = *bar; */
704 let
->var
->pointer_level
= let
->val
->data
.var
->pointer_level
;
705 let
->var
->arg
= init_decl_arg(
707 real_decl_type(let
->val
->data
.var
->arg
->type
)->type
,
708 real_decl_type(let
->val
->data
.var
->arg
->type
)->name
),
711 let
->var
->pointer_level
,
712 let
->var
->array_size
));
715 if (!validate_num_exp(data
, impl
->decl
->args
, impl
->decl
->func
, let
->val
->data
.num
)) {
720 if (!validate_num_exp(data
, impl
->decl
->args
, impl
->decl
->func
, let
->val
->data
.alloc
->nmemb
)) {
723 if (!validate_num_exp(data
, impl
->decl
->args
, impl
->decl
->func
, let
->val
->data
.alloc
->size
)) {
728 if (impl
->func
->args
) {
729 for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
730 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
732 if (!strcmp(let
->val
->data
.func
->var
->name
, iarg
->var
->name
)) {
733 let
->val
->data
.func
->arg
= iarg
;
740 data
->error(PSI_WARNING
, "Unknown value '$%s' of `let` statement"
741 " for variable '%s' of implementation '%s'",
742 let
->val
->data
.func
->var
->name
, let
->var
->name
, impl
->func
->name
);
749 /* check that we have a let stmt for every decl arg */
750 if (impl
->decl
->args
) for (i
= 0; i
< impl
->decl
->args
->count
; ++i
) {
751 decl_arg
*darg
= impl
->decl
->args
->args
[i
];
754 for (j
= 0; j
< impl
->stmts
->let
.count
; ++j
) {
755 let_stmt
*let
= impl
->stmts
->let
.list
[j
];
757 if (!strcmp(let
->var
->name
, darg
->var
->name
)) {
764 data
->error(PSI_WARNING
, "Missing `let` statement for arg '%s %.*s%s'"
765 " of declaration '%s' for implementation '%s'",
766 darg
->type
->name
, (int) darg
->var
->pointer_level
, "*****",
767 darg
->var
->name
, impl
->decl
->func
->var
->name
, impl
->func
->name
);
774 static inline int validate_impl_set_stmts(PSI_Data
*data
, impl
*impl
) {
776 /* we can have any count of set stmts; processing out vars */
777 /* check that set stmts reference known variables */
778 for (i
= 0; i
< impl
->stmts
->set
.count
; ++i
) {
779 set_stmt
*set
= impl
->stmts
->set
.list
[i
];
782 if (impl
->func
->args
) for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
783 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
785 if (!strcmp(set
->var
->name
, iarg
->var
->name
)) {
792 data
->error(PSI_WARNING
, "Unknown variable '$%s' of `set` statement"
793 " of implementation '%s'",
794 set
->var
->name
, impl
->func
->name
);
798 for (j
= 0; j
< set
->val
->vars
->count
; ++j
) {
799 decl_var
*set_var
= set
->val
->vars
->vars
[j
];
802 if (impl
->decl
->args
) {
803 for (k
= 0; k
< impl
->decl
->args
->count
; ++k
) {
804 decl_arg
*set_arg
= impl
->decl
->args
->args
[k
];
806 if (!strcmp(set_var
->name
, set_arg
->var
->name
)) {
808 set_var
->arg
= set_arg
;
809 if (!validate_set_value(data
, set
->val
, 1, &set_arg
, 1, &impl
->decl
->func
, impl
->decl
->args
->count
, impl
->decl
->args
->args
, 0)) {
817 for (k
= 0; k
< impl
->stmts
->let
.count
; ++k
) {
818 let_stmt
*let
= impl
->stmts
->let
.list
[k
];
820 /* check temp vars */
821 if (let
->val
&& let
->val
->kind
== PSI_LET_TMP
) {
822 if (!strcmp(set_var
->name
, let
->var
->name
)) {
824 set_var
->arg
= let
->var
->arg
;
825 if (!validate_set_value(data
, set
->val
, 1, &set_var
->arg
, 1, &impl
->decl
->func
, impl
->decl
->args
->count
, impl
->decl
->args
->args
, 0)) {
835 data
->error(PSI_WARNING
, "Unknown value '%s' of `set` statement"
836 " for variable '$%s' of implementation '%s'",
837 set_var
->name
, set
->arg
->var
->name
, impl
->func
->name
);
844 static inline decl
*locate_free_decl(decls
*decls
, free_call
*f
) {
848 for (i
= 0; i
< decls
->count
; ++i
) {
849 if (!strcmp(decls
->list
[i
]->func
->var
->name
, f
->func
)) {
850 f
->decl
= decls
->list
[i
];
851 return decls
->list
[i
];
858 static inline int validate_impl_free_stmts(PSI_Data
*data
, impl
*impl
) {
860 /* we can have any count of free stmts; freeing any out vars */
861 for (i
= 0; i
< impl
->stmts
->fre
.count
; ++i
) {
862 free_stmt
*fre
= impl
->stmts
->fre
.list
[i
];
864 for (j
= 0; j
< fre
->calls
->count
; ++j
) {
865 free_call
*free_call
= fre
->calls
->list
[j
];
867 /* first find the decl of the free func */
868 if (!locate_free_decl(data
->decls
, free_call
)) {
869 data
->error(PSI_WARNING
, "Unknown function '%s' in `free` statement"
870 " of implementation '%s'", free_call
->func
, impl
->func
->name
);
873 if (!impl
->decl
->args
) {
874 data
->error(PSI_WARNING
, "Declaration '%s' of implementation '%s'"
875 " does not have any arguments to free",
876 impl
->decl
->func
->var
->name
, impl
->func
->name
);
879 /* now check for known vars */
880 for (l
= 0; l
< free_call
->vars
->count
; ++l
) {
882 decl_var
*free_var
= free_call
->vars
->vars
[l
];
884 for (k
= 0; k
< impl
->decl
->args
->count
; ++k
) {
885 decl_arg
*free_arg
= impl
->decl
->args
->args
[k
];
887 if (!strcmp(free_var
->name
, free_arg
->var
->name
)) {
889 free_var
->arg
= free_arg
;
895 data
->error(PSI_WARNING
, "Unknown variable '%s' of `free` statement"
896 " of implementation '%s'",
897 free_var
->name
, impl
->func
->name
);
905 static inline int validate_impl_stmts(PSI_Data
*data
, impl
*impl
) {
907 data
->error(PSI_WARNING
, "Missing body for implementation %s!",
912 if (!validate_impl_ret_stmt(data
, impl
)) {
916 if (!validate_impl_let_stmts(data
, impl
)) {
919 if (!validate_impl_set_stmts(data
, impl
)) {
922 if (!validate_impl_free_stmts(data
, impl
)) {
929 PSI_Context
*PSI_ContextInit(PSI_Context
*C
, PSI_ContextOps
*ops
, PSI_ContextErrorFunc error
)
933 struct psi_predef_type
*predef_type
;
934 struct psi_predef_const
*predef_const
;
935 struct psi_predef_struct
*predef_struct
;
936 struct psi_predef_decl
*predef_decl
;
939 C
= malloc(sizeof(*C
));
941 memset(C
, 0, sizeof(*C
));
950 ZEND_ASSERT(ops
->call
!= NULL
);
951 ZEND_ASSERT(ops
->compile
!= NULL
);
953 /* build up predefs in a temporary PSI_Data for validation */
954 memset(&T
, 0, sizeof(T
));
957 for (predef_type
= &psi_predef_types
[0]; predef_type
->type_tag
; ++predef_type
) {
958 decl_type
*type
= init_decl_type(predef_type
->type_tag
, predef_type
->type_name
);
959 decl_typedef
*def
= init_decl_typedef(predef_type
->alias
, type
);
961 T
.defs
= add_decl_typedef(T
.defs
, def
);
963 for (predef_const
= &psi_predef_consts
[0]; predef_const
->type_tag
; ++predef_const
) {
964 impl_def_val
*val
= init_impl_def_val(predef_const
->val_type_tag
, predef_const
->val_text
);
965 const_type
*type
= init_const_type(predef_const
->type_tag
, predef_const
->type_name
);
966 constant
*constant
= init_constant(type
, predef_const
->var_name
, val
);
968 T
.consts
= add_constant(T
.consts
, constant
);
970 for (predef_struct
= &psi_predef_structs
[0]; predef_struct
->type_tag
; ++predef_struct
) {
971 struct psi_predef_struct
*member
;
972 decl_args
*dargs
= init_decl_args(NULL
);
973 decl_struct
*dstruct
= init_decl_struct(predef_struct
->var_name
, dargs
);
975 dstruct
->size
= predef_struct
->size
;
976 for (member
= &predef_struct
[1]; member
->type_tag
; ++member
) {
981 type
= init_decl_type(member
->type_tag
, member
->type_name
);
982 dvar
= init_decl_var(member
->var_name
, member
->pointer_level
, member
->array_size
);
983 darg
= init_decl_arg(type
, dvar
);
984 darg
->layout
= init_decl_struct_layout(member
->offset
, member
->size
);
985 dargs
= add_decl_arg(dargs
, darg
);
988 T
.structs
= add_decl_struct(T
.structs
, dstruct
);
989 predef_struct
= member
;
991 for (predef_decl
= &psi_predef_decls
[0]; predef_decl
->type_tag
; ++predef_decl
) {
992 struct psi_predef_decl
*farg
;
993 decl_type
*ftype
= init_decl_type(predef_decl
->type_tag
, predef_decl
->type_name
);
994 decl_var
*fname
= init_decl_var(predef_decl
->var_name
, predef_decl
->pointer_level
, predef_decl
->array_size
);
995 decl_arg
*func
= init_decl_arg(ftype
, fname
);
996 decl_args
*args
= init_decl_args(NULL
);
997 decl
*decl
= init_decl(init_decl_abi("default"), func
, args
);
999 for (farg
= &predef_decl
[1]; farg
->type_tag
; ++farg
) {
1000 decl_type
*arg_type
= init_decl_type(farg
->type_tag
, farg
->type_name
);
1001 decl_var
*arg_var
= init_decl_var(farg
->var_name
, farg
->pointer_level
, farg
->array_size
);
1002 decl_arg
*darg
= init_decl_arg(arg_type
, arg_var
);
1003 args
= add_decl_arg(args
, darg
);
1006 T
.decls
= add_decl(T
.decls
, decl
);
1010 for (predef_decl
= &psi_predef_vararg_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
);
1026 T
.decls
= add_decl(T
.decls
, decl
);
1030 for (i
= 0; i
< T
.defs
->count
; ++i
) {
1031 decl_typedef
*def
= T
.defs
->list
[i
];
1033 if (validate_decl_typedef(&T
, def
)) {
1034 C
->defs
= add_decl_typedef(C
->defs
, def
);
1038 for (i
= 0; i
< T
.consts
->count
; ++i
) {
1039 constant
*constant
= T
.consts
->list
[i
];
1041 if (validate_constant(&T
, constant
)) {
1042 C
->consts
= add_constant(C
->consts
, constant
);
1046 for (i
= 0; i
< T
.structs
->count
; ++i
) {
1047 decl_struct
*dstruct
= T
.structs
->list
[i
];
1049 if (validate_decl_struct(&T
, dstruct
)) {
1050 C
->structs
= add_decl_struct(C
->structs
, dstruct
);
1054 for (i
= 0; i
< T
.decls
->count
; ++i
) {
1055 decl
*decl
= T
.decls
->list
[i
];
1057 if (validate_decl(&T
, NULL
, decl
)) {
1058 C
->decls
= add_decl(C
->decls
, decl
);
1063 C
->data
= malloc(sizeof(*C
->data
));
1064 PSI_DataExchange(C
->data
, &T
);
1069 int PSI_ContextValidate(PSI_Context
*C
, PSI_Parser
*P
)
1072 void *dlopened
= NULL
;
1073 size_t count
= C
->count
++;
1075 C
->data
= realloc(C
->data
, C
->count
* sizeof(*C
->data
));
1076 D
= PSI_DataExchange(&C
->data
[count
], PSI_DATA(P
));
1081 for (i
= 0; i
< D
->defs
->count
; ++i
) {
1082 if (validate_decl_typedef(PSI_DATA(C
), D
->defs
->list
[i
])) {
1083 C
->defs
= add_decl_typedef(C
->defs
, D
->defs
->list
[i
]);
1090 for (i
= 0; i
< D
->structs
->count
; ++i
) {
1091 if (validate_decl_struct(PSI_DATA(C
), D
->structs
->list
[i
])) {
1092 C
->structs
= add_decl_struct(C
->structs
, D
->structs
->list
[i
]);
1099 for (i
= 0; i
< D
->consts
->count
; ++i
) {
1100 if (validate_constant(PSI_DATA(C
), D
->consts
->list
[i
])) {
1101 C
->consts
= add_constant(C
->consts
, D
->consts
->list
[i
]);
1106 if (!validate_lib(D
, &dlopened
)) {
1110 add_decl_lib(&C
->psi
.libs
, dlopened
);
1115 for (i
= 0; i
< D
->decls
->count
; ++i
) {
1116 if (validate_decl(PSI_DATA(C
), dlopened
, D
->decls
->list
[i
])) {
1117 C
->decls
= add_decl(C
->decls
, D
->decls
->list
[i
]);
1124 for (i
= 0; i
< D
->impls
->count
; ++i
) {
1125 if (validate_impl_stmts(PSI_DATA(C
), D
->impls
->list
[i
])) {
1126 C
->impls
= add_impl(C
->impls
, D
->impls
->list
[i
]);
1134 static int psi_select_dirent(const struct dirent
*entry
)
1136 #ifndef FNM_CASEFOLD
1137 #define FNM_CASEFOLD 0
1139 return 0 == fnmatch("*.psi", entry
->d_name
, FNM_CASEFOLD
);
1142 void PSI_ContextBuild(PSI_Context
*C
, const char *paths
)
1144 int i
, n
, flags
= psi_check_env("PSI_DEBUG") ? PSI_PARSER_DEBUG
: 0;
1145 char *sep
= NULL
, *cpy
= strdup(paths
), *ptr
= cpy
;
1146 struct dirent
**entries
= NULL
;
1150 sep
= strchr(ptr
, ':');
1156 n
= php_scandir(ptr
, &entries
, psi_select_dirent
, alphasort
);
1159 for (i
= 0; i
< n
; ++i
) {
1160 char psi
[MAXPATHLEN
];
1163 if (MAXPATHLEN
<= slprintf(psi
, MAXPATHLEN
, "%s/%s", ptr
, entries
[i
]->d_name
)) {
1164 C
->error(PSI_WARNING
, "Path to PSI file too long: %s/%s",
1165 ptr
, entries
[i
]->d_name
);
1167 if (!PSI_ParserInit(&P
, psi
, C
->error
, flags
)) {
1168 C
->error(PSI_WARNING
, "Failed to init PSI parser (%s): %s",
1169 psi
, strerror(errno
));
1173 while (0 < PSI_ParserScan(&P
)) {
1174 PSI_ParserParse(&P
, PSI_TokenAlloc(&P
));
1175 if (P
.num
== PSI_T_EOF
) {
1180 PSI_ParserParse(&P
, NULL
);
1181 PSI_ContextValidate(C
, &P
);
1187 for (i
= 0; i
< n
; ++i
) {
1197 if (PSI_ContextCompile(C
) && SUCCESS
!= zend_register_functions(NULL
, C
->closures
, NULL
, MODULE_PERSISTENT
)) {
1198 C
->error(PSI_WARNING
, "Failed to register functions!");
1205 zend_function_entry
*PSI_ContextCompile(PSI_Context
*C
)
1212 zc
.flags
= CONST_PERSISTENT
|CONST_CS
;
1213 zc
.module_number
= EG(current_module
)->module_number
;
1215 for (i
= 0; i
< C
->consts
->count
; ++i
) {
1216 constant
*c
= C
->consts
->list
[i
];
1218 zc
.name
= zend_string_init(c
->name
+ (c
->name
[0] == '\\'), strlen(c
->name
) - (c
->name
[0] == '\\'), 1);
1219 ZVAL_NEW_STR(&zc
.value
, zend_string_init(c
->val
->text
, strlen(c
->val
->text
), 1));
1221 switch (c
->type
->type
) {
1223 convert_to_boolean(&zc
.value
);
1226 convert_to_long(&zc
.value
);
1229 convert_to_double(&zc
.value
);
1232 zend_register_constant(&zc
);
1236 return C
->closures
= C
->ops
->compile(C
);
1240 void PSI_ContextCall(PSI_Context
*C
, decl_callinfo
*decl_call
, impl_vararg
*va
)
1242 C
->ops
->call(C
, decl_call
, va
);
1245 static inline void dump_decl_type(int fd
, decl_type
*t
) {
1255 dprintf(fd
, "%s%s", pre
, t
->name
);
1257 static inline void dump_decl_var(int fd
, decl_var
*v
) {
1258 dprintf(fd
, "%.*s%s", v
->pointer_level
-!!v
->array_size
, "**********", v
->name
);
1259 if (v
->array_size
) {
1260 dprintf(fd
, "[%u]", v
->array_size
);
1263 static inline void dump_decl_arg(int fd
, decl_arg
*a
) {
1264 dump_decl_type(fd
, a
->type
);
1266 dump_decl_var(fd
, a
->var
);
1268 static inline void dump_level(int fd
, unsigned level
) {
1269 dprintf(fd
, "%.*s", level
, "\t\t\t\t\t\t\t\t\t");
1271 static inline void dump_num_exp(int fd
, num_exp
*exp
) {
1275 dprintf(fd
, "%s", exp
->u
.numb
);
1278 dprintf(fd
, "%s", exp
->u
.cnst
->name
);
1281 dump_decl_var(fd
, exp
->u
.dvar
);
1283 EMPTY_SWITCH_DEFAULT_CASE();
1288 switch (exp
->operator) {
1289 case PSI_T_PLUS
: op
= '+'; break;
1290 case PSI_T_MINUS
: op
= '-'; break;
1291 case PSI_T_ASTERISK
:op
= '*'; break;
1292 case PSI_T_SLASH
: op
= '/'; break;
1293 EMPTY_SWITCH_DEFAULT_CASE();
1295 dprintf(fd
, " %c ", op
);
1300 static inline void dump_impl_set_value(int fd
, set_value
*set
, unsigned level
) {
1304 /* only if not directly after `set ...` */
1305 dump_level(fd
, level
);
1307 dprintf(fd
, "%s(", set
->func
->name
);
1309 for (i
= 0; i
< set
->vars
->count
; ++i
) {
1310 decl_var
*svar
= set
->vars
->vars
[i
];
1314 dump_decl_var(fd
, svar
);
1318 dump_num_exp(fd
, set
->num
);
1322 for (i
= 0; i
< set
->count
; ++i
) {
1323 dump_impl_set_value(fd
, set
->inner
[i
], level
+1);
1325 /* only if inner stmts, i.e. with new lines, were dumped */
1326 dump_level(fd
, level
);
1329 dprintf(fd
, "),\n");
1331 dprintf(fd
, ");\n");
1334 void PSI_ContextDump(PSI_Context
*C
, int fd
)
1339 if (C
->ops
== PSI_Libjit()) {
1340 dprintf(fd
, "// psi.engine=jit\n");
1344 if (C
->ops
== PSI_Libffi()) {
1345 dprintf(fd
, "// psi.engine=ffi\n");
1351 for (i
= 0; i
< C
->defs
->count
; ++i
) {
1352 decl_typedef
*tdef
= C
->defs
->list
[i
];
1354 dprintf(fd
, "typedef ");
1355 dump_decl_type(fd
, tdef
->type
);
1356 dprintf(fd
, " %s;\n", tdef
->alias
);
1362 for (i
= 0; i
< C
->structs
->count
; ++i
) {
1363 decl_struct
*strct
= C
->structs
->list
[i
];
1365 dprintf(fd
, "struct %s::(%zu) {\n", strct
->name
, strct
->size
);
1366 if (strct
->args
) for (j
= 0; j
< strct
->args
->count
; ++j
) {
1367 decl_arg
*sarg
= strct
->args
->args
[j
];
1370 dump_decl_arg(fd
, sarg
);
1371 dprintf(fd
, "::(%zu, %zu);\n", sarg
->layout
->pos
, sarg
->layout
->len
);
1378 for (i
= 0; i
< C
->consts
->count
; ++i
) {
1379 constant
*cnst
= C
->consts
->list
[i
];
1381 dprintf(fd
, "const %s %s = ", cnst
->type
->name
, cnst
->name
);
1382 if (cnst
->val
->type
== PSI_T_QUOTED_STRING
) {
1383 dprintf(fd
, "\"%s\";\n", cnst
->val
->text
);
1385 dprintf(fd
, "%s;\n", cnst
->val
->text
);
1391 for (i
= 0; i
< C
->decls
->count
; ++i
) {
1392 decl
*decl
= C
->decls
->list
[i
];
1394 dprintf(fd
, "%s ", decl
->abi
->convention
);
1395 dump_decl_arg(fd
, decl
->func
);
1398 for (j
= 0; j
< decl
->args
->count
; ++j
) {
1402 dump_decl_arg(fd
, decl
->args
->args
[j
]);
1404 if (decl
->args
->varargs
) {
1405 dprintf(fd
, ", ...");
1408 dprintf(fd
, ");\n");
1413 for (i
= 0; i
< C
->impls
->count
; ++i
) {
1414 impl
*impl
= C
->impls
->list
[i
];
1416 dprintf(fd
, "function %s(", impl
->func
->name
);
1417 if (impl
->func
->args
) {
1418 for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
1419 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
1421 dprintf(fd
, "%s%s %s$%s",
1424 iarg
->var
->reference
? "&" : "",
1427 dprintf(fd
, " = %s", iarg
->def
->text
);
1430 if (impl
->func
->args
->vararg
.name
) {
1431 impl_arg
*vararg
= impl
->func
->args
->vararg
.name
;
1433 dprintf(fd
, ", %s %s...$%s",
1435 vararg
->var
->reference
? "&" : "",
1439 dprintf(fd
, ") : %s%s {\n",
1440 impl
->func
->return_reference
? "&":"",
1441 impl
->func
->return_type
->name
);
1443 for (j
= 0; j
< impl
->stmts
->let
.count
; ++j
) {
1444 let_stmt
*let
= impl
->stmts
->let
.list
[j
];
1446 dprintf(fd
, "\tlet %s", let
->var
->name
);
1448 dprintf(fd
, " = %s", let
->val
->flags
.one
.is_reference
? "&" : "");
1449 switch (let
->val
->kind
) {
1451 dprintf(fd
, "NULL");
1454 dump_decl_var(fd
, let
->val
->data
.var
);
1456 case PSI_LET_CALLOC
:
1457 dprintf(fd
, "calloc(");
1458 dump_num_exp(fd
, let
->val
->data
.alloc
->nmemb
);
1460 dump_num_exp(fd
, let
->val
->data
.alloc
->size
);
1464 dprintf(fd
, "%s($%s)", let
->val
->data
.func
->name
,
1465 let
->val
->data
.func
->var
->name
);
1468 EMPTY_SWITCH_DEFAULT_CASE();
1473 for (j
= 0; j
< impl
->stmts
->ret
.count
; ++j
) {
1474 return_stmt
*ret
= impl
->stmts
->ret
.list
[j
];
1476 dprintf(fd
, "\treturn ");
1477 dump_impl_set_value(fd
, ret
->set
, 1);
1479 for (j
= 0; j
< impl
->stmts
->set
.count
; ++j
) {
1480 set_stmt
*set
= impl
->stmts
->set
.list
[j
];
1482 dprintf(fd
, "\tset $%s = ", set
->var
->name
);
1483 dump_impl_set_value(fd
, set
->val
, 1);
1485 for (j
= 0; j
< impl
->stmts
->fre
.count
; ++j
) {
1486 free_stmt
*fre
= impl
->stmts
->fre
.list
[j
];
1488 dprintf(fd
, "\tfree ");
1489 for (k
= 0; k
< fre
->calls
->count
; ++k
) {
1490 free_call
*call
= fre
->calls
->list
[k
];
1495 dprintf(fd
, "%s(", call
->func
);
1496 for (l
= 0; l
< call
->vars
->count
; ++l
) {
1497 decl_var
*fvar
= call
->vars
->vars
[l
];
1499 dump_decl_var(fd
, fvar
);
1501 dprintf(fd
, ");\n");
1511 void PSI_ContextDtor(PSI_Context
*C
)
1514 zend_function_entry
*zfe
;
1520 free_decl_libs(&C
->psi
.libs
);
1523 for (i
= 0; i
< C
->count
; ++i
) {
1524 PSI_DataDtor(&C
->data
[i
]);
1530 for (zfe
= C
->closures
; zfe
->fname
; ++zfe
) {
1531 free((void *) zfe
->arg_info
);
1537 if (C
->consts
->list
) {
1538 free(C
->consts
->list
);
1543 if (C
->defs
->list
) {
1544 free(C
->defs
->list
);
1549 if (C
->structs
->list
) {
1550 free(C
->structs
->list
);
1555 if (C
->decls
->list
) {
1556 free(C
->decls
->list
);
1561 if (C
->impls
->list
) {
1562 free(C
->impls
->list
);
1567 memset(C
, 0, sizeof(*C
));
1570 void PSI_ContextFree(PSI_Context
**C
)
1573 PSI_ContextDtor(*C
);