7 #include "php_psi_stdinc.h"
11 # define NAMLEN(dirent) strlen ((dirent)->d_name)
13 # define dirent direct
14 # define NAMLEN(dirent) ((dirent)->d_namlen)
15 # ifdef HAVE_SYS_NDIR_H
16 # include <sys/ndir.h>
18 # ifdef HAVE_SYS_DIR_H
26 #include <sys/param.h>
31 #include "php_scandir.h"
37 static struct psi_std_type
{
39 const char *type_name
;
41 {PSI_T_FLOAT
, "float"},
42 {PSI_T_DOUBLE
, "double"},
43 #ifdef HAVE_LONG_DOUBLE
44 {PSI_T_LONG_DOUBLE
, "long double"},
46 {PSI_T_INT8
, "int8_t"},
47 {PSI_T_INT16
, "int16_t"},
48 {PSI_T_INT32
, "int32_t"},
49 {PSI_T_INT64
, "int64_t"},
50 {PSI_T_UINT8
, "uint8_t"},
51 {PSI_T_UINT16
, "uint16_t"},
52 {PSI_T_UINT32
, "uint32_t"},
53 {PSI_T_UINT64
, "uint64_t"},
57 #include "php_psi_types.h"
58 #include "php_psi_consts.h"
59 #include "php_psi_macros.h"
60 #include "php_psi_redirs.h"
61 #include "php_psi_decls.h"
62 #include "php_psi_va_decls.h"
63 #include "php_psi_structs.h"
65 static int validate_lib(PSI_Data
*data
, void **dlopened
) {
67 const char *ptr
= data
->psi
.file
.ln
;
71 /* FIXME: assume stdlib */
73 } else if (!strchr(ptr
, '/')) {
74 len
= snprintf(lib
, MAXPATHLEN
, "lib%s.%s", ptr
, PHP_PSI_SHLIB_SUFFIX
);
75 if (MAXPATHLEN
== len
) {
76 data
->error(NULL
, PSI_WARNING
, "Library name too long: '%s'", ptr
);
81 if (!(*dlopened
= dlopen(ptr
, RTLD_LAZY
|RTLD_LOCAL
))) {
82 data
->error(NULL
, PSI_WARNING
, "Could not open library '%s': %s.",
83 data
->psi
.file
.ln
, dlerror());
89 static inline int locate_decl_type_alias(decl_typedefs
*defs
, decl_type
*type
) {
91 struct psi_std_type
*stdtyp
;
96 for (i
= 0; i
< defs
->count
; ++i
) {
97 decl_typedef
*def
= defs
->list
[i
];
99 if (def
->type
->type
!= type
->type
&& !strcmp(def
->alias
, type
->name
)) {
100 type
->real
= def
->type
;
104 for (stdtyp
= &psi_std_types
[0]; stdtyp
->type_tag
; ++stdtyp
) {
105 if (!strcmp(type
->name
, stdtyp
->type_name
)) {
106 type
->type
= stdtyp
->type_tag
;
113 static inline int locate_decl_type_struct(decl_structs
*structs
, decl_type
*type
) {
119 for (i
= 0; i
< structs
->count
; ++i
) {
120 if (!strcmp(structs
->list
[i
]->name
, type
->name
)) {
121 type
->strct
= structs
->list
[i
];
128 static inline int validate_decl_type(PSI_Data
*data
, decl_type
*type
) {
129 switch (type
->type
) {
135 if (!data
->defs
|| !locate_decl_type_alias(data
->defs
, type
)) {
139 return validate_decl_type(data
, type
->real
);
143 if (!data
->structs
|| !locate_decl_type_struct(data
->structs
, type
)) {
150 static inline int validate_decl_typedef(PSI_Data
*data
, decl_typedef
*def
) {
151 if (!validate_decl_type(data
, def
->type
)) {
152 data
->error(def
->token
, PSI_WARNING
,
153 "Type '%s' cannot be aliased to %s'%s'",
154 def
->type
->name
, def
->type
->type
== PSI_T_STRUCT
?"struct ":"",def
->alias
);
157 /* FIXME: check def->alias */
161 static inline int validate_constant(PSI_Data
*data
, constant
*c
) {
166 static inline int validate_decl_arg(PSI_Data
*data
, decl_arg
*arg
) {
167 if (!validate_decl_type(data
, arg
->type
)) {
168 data
->error(arg
->type
->token
, PSI_WARNING
,
169 "Cannot use '%s'(%d) as type for decl var '%s'",
170 arg
->type
->name
, arg
->type
->type
, arg
->var
->name
);
176 static inline int validate_decl_struct(PSI_Data
*data
, decl_struct
*s
) {
179 for (i
= 0; i
< s
->args
->count
; ++i
) {
180 if (!validate_decl_arg(data
, s
->args
->args
[i
])) {
185 for (i
= 0; i
< s
->args
->count
; ++i
) {
186 decl_arg
*darg
= s
->args
->args
[i
];
188 if (!validate_decl_arg(data
, darg
)) {
192 ZEND_ASSERT(!darg
->var
->arg
|| darg
->var
->arg
== darg
);
193 darg
->var
->arg
= darg
;
198 if (darg
->var
->pointer_level
&& (!darg
->var
->array_size
|| darg
->var
->pointer_level
== 1)) {
201 t
= real_decl_type(darg
->type
)->type
;
205 decl_arg
*last
= s
->args
->args
[i
-1];
206 darg
->layout
= init_decl_struct_layout(
207 psi_t_align(t
, last
->layout
->pos
+ last
->layout
->len
),
208 psi_t_size(t
) * darg
->var
->array_size
);
210 darg
->layout
= init_decl_struct_layout(0, psi_t_size(t
));
213 if (s
->size
< darg
->layout
->pos
+ darg
->layout
->len
) {
214 s
->size
= darg
->layout
->pos
+ darg
->layout
->len
;
220 static const char * const abi_ccs
[] = {
222 "extern", /* > - all the same */
228 static inline int validate_decl_abi(PSI_Data
*data
, decl_abi
*abi
) {
231 for (i
= 0; i
< sizeof(abi_ccs
)/sizeof(char*); ++i
) {
232 if (strcasecmp(abi
->convention
, abi_ccs
[i
])) {
238 static inline int validate_decl_func(PSI_Data
*data
, void *dl
, decl
*decl
, decl_arg
*func
)
240 struct psi_func_redir
*redir
;
242 if (!strcmp(func
->var
->name
, "dlsym")) {
243 data
->error(func
->token
, PSI_WARNING
, "Cannot dlsym dlsym (sic!)");
247 if (!validate_decl_arg(data
, func
)) {
250 for (redir
= &psi_func_redirs
[0]; redir
->name
; ++redir
) {
251 if (!strcmp(func
->var
->name
, redir
->name
)) {
252 decl
->call
.sym
= redir
->func
;
255 if (!decl
->call
.sym
) {
257 # define RTLD_NEXT ((void *) -1l)
259 decl
->call
.sym
= dlsym(dl
?: RTLD_NEXT
, func
->var
->name
);
260 if (!decl
->call
.sym
) {
261 data
->error(func
->token
, PSI_WARNING
,
262 "Failed to locate symbol '%s': %s",
263 func
->var
->name
, dlerror());
269 static inline int validate_decl(PSI_Data
*data
, void *dl
, decl
*decl
) {
270 if (!validate_decl_abi(data
, decl
->abi
)) {
271 data
->error(decl
->abi
->token
, PSI_WARNING
,
272 "Invalid calling convention: '%s'", decl
->abi
->token
->text
);
275 if (!validate_decl_func(data
, dl
, decl
, decl
->func
)) {
281 for (i
= 0; i
< decl
->args
->count
; ++i
) {
282 if (!validate_decl_arg(data
, decl
->args
->args
[i
])) {
289 static inline decl_arg
*locate_decl_var_arg(decl_var
*var
, decl_args
*args
, decl_arg
*func
) {
292 for (i
= 0; i
< args
->count
; ++i
) {
293 decl_arg
*arg
= args
->args
[i
];
295 if (!strcmp(var
->name
, arg
->var
->name
)) {
296 ZEND_ASSERT(!var
->arg
|| var
->arg
== arg
);
297 return var
->arg
= arg
;
300 if (func
&& !strcmp(var
->name
, func
->var
->name
)) {
301 return var
->arg
= func
;
306 static inline decl_arg
*locate_struct_member(decl_struct
*s
, decl_var
*var
) {
308 return locate_decl_var_arg(var
, s
->args
, NULL
);
313 static inline constant
*locate_num_exp_constant(num_exp
*exp
, constants
*consts
) {
316 for (i
= 0; i
< consts
->count
; ++i
) {
317 constant
*cnst
= consts
->list
[i
];
319 if (!strcmp(cnst
->name
, exp
->u
.numb
)) {
321 return exp
->u
.cnst
= cnst
;
327 static inline int validate_num_exp(PSI_Data
*data
, decl_args
*dargs
, decl_arg
*func
, num_exp
*exp
) {
329 switch (exp
->operator) {
331 exp
->calculator
= psi_calc_add
;
334 exp
->calculator
= psi_calc_sub
;
337 exp
->calculator
= psi_calc_mul
;
340 exp
->calculator
= psi_calc_div
;
342 EMPTY_SWITCH_DEFAULT_CASE();
344 if (!validate_num_exp(data
, dargs
, func
, exp
->operand
)) {
350 if (!locate_decl_var_arg(exp
->u
.dvar
, dargs
, func
)) {
351 data
->error(exp
->token
, PSI_WARNING
, "Unknown variable '%s' in numeric expression",
357 if (!locate_num_exp_constant(exp
, data
->consts
)) {
358 data
->error(exp
->token
, PSI_WARNING
, "Unknown constant '%s' in numeric expression",
369 static inline int validate_set_value_handler(set_value
*set
) {
370 switch (set
->func
->type
) {
372 set
->func
->handler
= psi_to_bool
;
375 set
->func
->handler
= psi_to_int
;
378 set
->func
->handler
= psi_to_double
;
380 case PSI_T_TO_STRING
:
381 set
->func
->handler
= psi_to_string
;
384 set
->func
->handler
= psi_to_array
;
386 case PSI_T_TO_OBJECT
:
387 set
->func
->handler
= psi_to_object
;
390 set
->func
->handler
= psi_to_void
;
393 if (set
->outer
.set
&& set
->outer
.set
->func
->type
== PSI_T_TO_ARRAY
) {
394 set
->func
->handler
= psi_to_recursive
;
395 set
->inner
= set
->outer
.set
->inner
;
396 set
->count
= set
->outer
.set
->count
;
405 static inline void decl_var_arg_v(decl_args
*args
, va_list argp
) {
409 memset(args
, 0, sizeof(*args
));
411 while ((argc
= va_arg(argp
, int))) {
412 argv
= va_arg(argp
, decl_arg
**);
414 add_decl_arg(args
, *argv
++);
418 static inline int validate_set_value_ex(PSI_Data
*data
, set_value
*set
, decl_arg
*ref
, decl_args
*ref_list
) {
421 decl_var
*set_var
= set
->vars
->vars
[0];
423 if (!validate_set_value_handler(set
)) {
424 data
->error(set
->func
->token
, PSI_WARNING
, "Invalid cast '%s' in `set` statement", set
->func
->name
);
428 for (i
= 0; i
< set
->vars
->count
; ++i
) {
429 decl_var
*svar
= set
->vars
->vars
[i
];
430 if (!svar
->arg
&& !locate_decl_var_arg(svar
, ref_list
, NULL
)) {
431 data
->error(svar
->token
, PSI_WARNING
, "Unknown variable '%s' in `set` statement", svar
->name
);
439 ref_type
= real_decl_type(ref
->type
);
442 int is_to_array
= (set
->func
->type
== PSI_T_TO_ARRAY
);
443 int is_pointer_to_struct
= (ref_type
->type
== PSI_T_STRUCT
&& ref
->var
->pointer_level
);
445 if (!is_to_array
&& !is_pointer_to_struct
) {
446 data
->error(set
->func
->token
, E_WARNING
, "Inner `set` statement casts only work with "
447 "to_array() casts on structs or pointers: %s(%s...", set
->func
->name
, set
->vars
->vars
[0]->name
);
452 if (!validate_num_exp(data
, ref_list
, ref
, set
->num
)) {
457 if (ref_type
->type
== PSI_T_STRUCT
) {
458 /* to_array(struct, to_...) */
459 if (!set
->outer
.set
|| set
->outer
.set
->inner
!= set
->inner
) {
460 for (i
= 0; i
< set
->count
; ++i
) {
461 decl_var
*sub_var
= set
->inner
[i
]->vars
->vars
[0];
462 decl_arg
*sub_ref
= locate_struct_member(ref_type
->strct
, sub_var
);
465 if (!validate_set_value_ex(data
, set
->inner
[i
], sub_ref
, ref_type
->strct
->args
)) {
471 } else if (set
->count
== 1) {
472 /* to_array(ptr, to_string(*ptr)) */
473 decl_var
*sub_var
= set
->inner
[0]->vars
->vars
[0];
474 decl_arg
*sub_ref
= locate_decl_var_arg(sub_var
, ref_list
, ref
);
477 if (strcmp(sub_var
->name
, set_var
->name
)) {
478 data
->error(sub_var
->token
, E_WARNING
, "Inner `set` statement casts on pointers must reference the same variable");
481 if (!validate_set_value_ex(data
, set
->inner
[0], sub_ref
, ref_list
)) {
485 } else if (set
->count
> 1) {
486 data
->error(set
->func
->token
, E_WARNING
, "Inner `set` statement casts on pointers may only occur once");
492 static inline int validate_set_value(PSI_Data
*data
, set_value
*set
, ...) {
494 decl_args args
= {0};
498 decl_var_arg_v(&args
, argp
);
501 check
= validate_set_value_ex(data
, set
, NULL
, &args
);
507 static inline decl
*locate_impl_decl(decls
*decls
, return_stmt
*ret
) {
511 for (i
= 0; i
< decls
->count
; ++i
) {
512 if (!strcmp(decls
->list
[i
]->func
->var
->name
, ret
->set
->vars
->vars
[0]->name
)) {
513 ret
->decl
= decls
->list
[i
]->func
;
514 return decls
->list
[i
];
521 static inline int validate_impl_ret_stmt(PSI_Data
*data
, impl
*impl
) {
524 /* we must have exactly one ret stmt delcaring the native func to call */
525 /* and which type cast to apply */
526 if (impl
->stmts
->ret
.count
!= 1) {
527 if (impl
->stmts
->ret
.count
> 1) {
528 data
->error(impl
->stmts
->ret
.list
[1]->token
, PSI_WARNING
,
529 "Too many `return` statements for implmentation %s;"
530 " found %zu, exactly one is needed",
531 impl
->func
->name
, impl
->stmts
->ret
.count
);
533 data
->error(impl
->func
->token
, PSI_WARNING
,
534 "Missing `return` statement for implementation %s",
540 ret
= impl
->stmts
->ret
.list
[0];
542 if (!(impl
->decl
= locate_impl_decl(data
->decls
, ret
))) {
543 data
->error(ret
->token
, PSI_WARNING
,
544 "Missing declaration '%s' for `return` statment for implementation %s",
545 ret
->set
->vars
->vars
[0]->name
, impl
->func
->name
);
549 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)) {
553 impl
->decl
->impl
= impl
;
558 static inline int validate_impl_let_stmts(PSI_Data
*data
, impl
*impl
) {
560 /* we can have multiple let stmts */
562 /* check that we have a decl arg for every let stmt */
563 for (i
= 0; i
< impl
->stmts
->let
.count
; ++i
) {
564 let_stmt
*let
= impl
->stmts
->let
.list
[i
];
568 if (let
->val
&& let
->val
->kind
== PSI_LET_TMP
) {
569 let_var
= let
->val
->data
.var
;
574 if (!locate_decl_var_arg(let_var
, impl
->decl
->args
, impl
->decl
->func
)) {
575 data
->error(let_var
->token
, PSI_WARNING
, "Unknown variable '%s' in `let` statement"
576 " of implementation '%s'", let_var
->name
, impl
->func
->name
);
580 switch (let
->val
->kind
) {
584 /* e.g. let bar = &strval($bar); // decl_arg(char **bar) */
585 /* e.g. let foo = *bar; */
586 let
->var
->pointer_level
= let
->val
->data
.var
->pointer_level
;
587 let
->var
->arg
= init_decl_arg(
589 real_decl_type(let
->val
->data
.var
->arg
->type
)->type
,
590 real_decl_type(let
->val
->data
.var
->arg
->type
)->name
),
593 let
->var
->pointer_level
,
594 let
->var
->array_size
));
597 if (!validate_num_exp(data
, impl
->decl
->args
, impl
->decl
->func
, let
->val
->data
.num
)) {
602 if (!validate_num_exp(data
, impl
->decl
->args
, impl
->decl
->func
, let
->val
->data
.alloc
->nmemb
)) {
605 if (!validate_num_exp(data
, impl
->decl
->args
, impl
->decl
->func
, let
->val
->data
.alloc
->size
)) {
610 if (impl
->func
->args
) {
611 for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
612 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
614 if (!strcmp(let
->val
->data
.func
->var
->name
, iarg
->var
->name
)) {
615 let
->val
->data
.func
->arg
= iarg
;
622 data
->error(let
->var
->token
, PSI_WARNING
, "Unknown value '$%s' of `let` statement"
623 " for variable '%s' of implementation '%s'",
624 let
->val
->data
.func
->var
->name
, let
->var
->name
, impl
->func
->name
);
631 /* check that we have a let stmt for every decl arg */
632 if (impl
->decl
->args
) for (i
= 0; i
< impl
->decl
->args
->count
; ++i
) {
633 decl_arg
*darg
= impl
->decl
->args
->args
[i
];
636 for (j
= 0; j
< impl
->stmts
->let
.count
; ++j
) {
637 let_stmt
*let
= impl
->stmts
->let
.list
[j
];
639 if (!strcmp(let
->var
->name
, darg
->var
->name
)) {
646 data
->error(impl
->func
->token
, PSI_WARNING
,
647 "Missing `let` statement for arg '%s %.*s%s'"
648 " of declaration '%s' for implementation '%s'",
649 darg
->type
->name
, (int) darg
->var
->pointer_level
, "*****",
650 darg
->var
->name
, impl
->decl
->func
->var
->name
, impl
->func
->name
);
657 static inline int validate_impl_set_stmts(PSI_Data
*data
, impl
*impl
) {
659 /* we can have any count of set stmts; processing out vars */
660 /* check that set stmts reference known variables */
661 for (i
= 0; i
< impl
->stmts
->set
.count
; ++i
) {
662 set_stmt
*set
= impl
->stmts
->set
.list
[i
];
665 if (impl
->func
->args
) for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
666 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
668 if (!strcmp(set
->var
->name
, iarg
->var
->name
)) {
675 data
->error(set
->var
->token
, PSI_WARNING
, "Unknown variable '$%s' of `set` statement"
676 " of implementation '%s'",
677 set
->var
->name
, impl
->func
->name
);
681 for (j
= 0; j
< set
->val
->vars
->count
; ++j
) {
682 decl_var
*set_var
= set
->val
->vars
->vars
[j
];
685 if (impl
->decl
->args
) {
686 for (k
= 0; k
< impl
->decl
->args
->count
; ++k
) {
687 decl_arg
*set_arg
= impl
->decl
->args
->args
[k
];
689 if (!strcmp(set_var
->name
, set_arg
->var
->name
)) {
691 set_var
->arg
= set_arg
;
692 if (!validate_set_value(data
, set
->val
, 1, &set_arg
, 1, &impl
->decl
->func
, impl
->decl
->args
->count
, impl
->decl
->args
->args
, 0)) {
700 for (k
= 0; k
< impl
->stmts
->let
.count
; ++k
) {
701 let_stmt
*let
= impl
->stmts
->let
.list
[k
];
703 /* check temp vars */
704 if (let
->val
&& let
->val
->kind
== PSI_LET_TMP
) {
705 if (!strcmp(set_var
->name
, let
->var
->name
)) {
707 set_var
->arg
= let
->var
->arg
;
708 if (!validate_set_value(data
, set
->val
, 1, &set_var
->arg
, 1, &impl
->decl
->func
, impl
->decl
->args
->count
, impl
->decl
->args
->args
, 0)) {
718 data
->error(set_var
->token
, PSI_WARNING
, "Unknown value '%s' of `set` statement"
719 " for variable '$%s' of implementation '%s'",
720 set_var
->name
, set
->arg
->var
->name
, impl
->func
->name
);
727 static inline decl
*locate_free_decl(decls
*decls
, free_call
*f
) {
731 for (i
= 0; i
< decls
->count
; ++i
) {
732 if (!strcmp(decls
->list
[i
]->func
->var
->name
, f
->func
)) {
733 f
->decl
= decls
->list
[i
];
734 return decls
->list
[i
];
741 static inline int validate_impl_free_stmts(PSI_Data
*data
, impl
*impl
) {
743 /* we can have any count of free stmts; freeing any out vars */
744 for (i
= 0; i
< impl
->stmts
->fre
.count
; ++i
) {
745 free_stmt
*fre
= impl
->stmts
->fre
.list
[i
];
747 for (j
= 0; j
< fre
->calls
->count
; ++j
) {
748 free_call
*free_call
= fre
->calls
->list
[j
];
750 /* first find the decl of the free func */
751 if (!locate_free_decl(data
->decls
, free_call
)) {
752 data
->error(free_call
->token
, PSI_WARNING
,
753 "Missing declaration '%s' in `free` statement"
754 " of implementation '%s'",
755 free_call
->func
, impl
->func
->name
);
761 /* now check for known vars */
762 for (l
= 0; l
< free_call
->vars
->count
; ++l
) {
764 decl_var
*free_var
= free_call
->vars
->vars
[l
];
766 if (!strcmp(free_var
->name
, impl
->decl
->func
->var
->name
)) {
768 free_var
->arg
= impl
->decl
->func
;
769 } else if (impl
->decl
->args
) {
770 for (k
= 0; k
< impl
->decl
->args
->count
; ++k
) {
771 decl_arg
*free_arg
= impl
->decl
->args
->args
[k
];
773 if (!strcmp(free_var
->name
, free_arg
->var
->name
)) {
775 free_var
->arg
= free_arg
;
782 data
->error(free_var
->token
, PSI_WARNING
,
783 "Unknown variable '%s' of `free` statement"
784 " of implementation '%s'",
785 free_var
->name
, impl
->func
->name
);
793 static inline int validate_impl_stmts(PSI_Data
*data
, impl
*impl
) {
795 data
->error(impl
->func
->token
, PSI_WARNING
,
796 "Missing body for implementation %s!",
801 if (!validate_impl_ret_stmt(data
, impl
)) {
805 if (!validate_impl_let_stmts(data
, impl
)) {
808 if (!validate_impl_set_stmts(data
, impl
)) {
811 if (!validate_impl_free_stmts(data
, impl
)) {
818 static inline int validate_impl_args(PSI_Data
*data
, impl
*impl
) {
822 for (i
= 0; i
< impl
->func
->args
->count
; ++i
) {
823 impl_arg
*iarg
= impl
->func
->args
->args
[i
];
828 data
->error(impl
->func
->token
, PSI_WARNING
,
829 "Non-optional argument %zu '$%s' of implementation '%s'"
830 " follows optional argument",
831 i
+1, iarg
->var
->name
, impl
->func
->name
);
838 static inline int validate_impl(PSI_Data
*data
, impl
*impl
) {
839 if (!validate_impl_args(data
, impl
)) {
842 return validate_impl_stmts(data
, impl
);
845 PSI_Context
*PSI_ContextInit(PSI_Context
*C
, PSI_ContextOps
*ops
, PSI_ContextErrorFunc error
)
849 struct psi_predef_type
*predef_type
;
850 struct psi_predef_const
*predef_const
;
851 struct psi_predef_struct
*predef_struct
;
852 struct psi_predef_decl
*predef_decl
;
855 C
= malloc(sizeof(*C
));
857 memset(C
, 0, sizeof(*C
));
866 ZEND_ASSERT(ops
->call
!= NULL
);
867 ZEND_ASSERT(ops
->compile
!= NULL
);
869 /* build up predefs in a temporary PSI_Data for validation */
870 memset(&T
, 0, sizeof(T
));
873 for (predef_type
= &psi_predef_types
[0]; predef_type
->type_tag
; ++predef_type
) {
874 decl_type
*type
= init_decl_type(predef_type
->type_tag
, predef_type
->type_name
);
875 decl_typedef
*def
= init_decl_typedef(predef_type
->alias
, type
);
877 T
.defs
= add_decl_typedef(T
.defs
, def
);
879 for (predef_const
= &psi_predef_consts
[0]; predef_const
->type_tag
; ++predef_const
) {
880 impl_def_val
*val
= init_impl_def_val(predef_const
->val_type_tag
, predef_const
->val_text
);
881 const_type
*type
= init_const_type(predef_const
->type_tag
, predef_const
->type_name
);
882 constant
*constant
= init_constant(type
, predef_const
->var_name
, val
);
884 T
.consts
= add_constant(T
.consts
, constant
);
886 for (predef_struct
= &psi_predef_structs
[0]; predef_struct
->type_tag
; ++predef_struct
) {
887 struct psi_predef_struct
*member
;
888 decl_args
*dargs
= init_decl_args(NULL
);
889 decl_struct
*dstruct
= init_decl_struct(predef_struct
->var_name
, dargs
);
891 dstruct
->size
= predef_struct
->size
;
892 for (member
= &predef_struct
[1]; member
->type_tag
; ++member
) {
897 type
= init_decl_type(member
->type_tag
, member
->type_name
);
898 dvar
= init_decl_var(member
->var_name
, member
->pointer_level
, member
->array_size
);
899 darg
= init_decl_arg(type
, dvar
);
900 darg
->layout
= init_decl_struct_layout(member
->offset
, member
->size
);
901 dargs
= add_decl_arg(dargs
, darg
);
904 T
.structs
= add_decl_struct(T
.structs
, dstruct
);
905 predef_struct
= member
;
907 for (predef_decl
= &psi_predef_decls
[0]; predef_decl
->type_tag
; ++predef_decl
) {
908 struct psi_predef_decl
*farg
;
909 decl_type
*ftype
= init_decl_type(predef_decl
->type_tag
, predef_decl
->type_name
);
910 decl_var
*fname
= init_decl_var(predef_decl
->var_name
, predef_decl
->pointer_level
, predef_decl
->array_size
);
911 decl_arg
*func
= init_decl_arg(ftype
, fname
);
912 decl_args
*args
= init_decl_args(NULL
);
913 decl
*decl
= init_decl(init_decl_abi("default"), func
, args
);
915 for (farg
= &predef_decl
[1]; farg
->type_tag
; ++farg
) {
916 decl_type
*arg_type
= init_decl_type(farg
->type_tag
, farg
->type_name
);
917 decl_var
*arg_var
= init_decl_var(farg
->var_name
, farg
->pointer_level
, farg
->array_size
);
918 decl_arg
*darg
= init_decl_arg(arg_type
, arg_var
);
919 args
= add_decl_arg(args
, darg
);
922 T
.decls
= add_decl(T
.decls
, decl
);
926 for (predef_decl
= &psi_predef_vararg_decls
[0]; predef_decl
->type_tag
; ++predef_decl
) {
927 struct psi_predef_decl
*farg
;
928 decl_type
*ftype
= init_decl_type(predef_decl
->type_tag
, predef_decl
->type_name
);
929 decl_var
*fname
= init_decl_var(predef_decl
->var_name
, predef_decl
->pointer_level
, predef_decl
->array_size
);
930 decl_arg
*func
= init_decl_arg(ftype
, fname
);
931 decl_args
*args
= init_decl_args(NULL
);
932 decl
*decl
= init_decl(init_decl_abi("default"), func
, args
);
934 for (farg
= &predef_decl
[1]; farg
->type_tag
; ++farg
) {
935 decl_type
*arg_type
= init_decl_type(farg
->type_tag
, farg
->type_name
);
936 decl_var
*arg_var
= init_decl_var(farg
->var_name
, farg
->pointer_level
, farg
->array_size
);
937 decl_arg
*darg
= init_decl_arg(arg_type
, arg_var
);
938 args
= add_decl_arg(args
, darg
);
942 T
.decls
= add_decl(T
.decls
, decl
);
946 for (i
= 0; i
< T
.defs
->count
; ++i
) {
947 decl_typedef
*def
= T
.defs
->list
[i
];
949 if (validate_decl_typedef(&T
, def
)) {
950 C
->defs
= add_decl_typedef(C
->defs
, def
);
954 for (i
= 0; i
< T
.consts
->count
; ++i
) {
955 constant
*constant
= T
.consts
->list
[i
];
957 if (validate_constant(&T
, constant
)) {
958 C
->consts
= add_constant(C
->consts
, constant
);
962 for (i
= 0; i
< T
.structs
->count
; ++i
) {
963 decl_struct
*dstruct
= T
.structs
->list
[i
];
965 if (validate_decl_struct(&T
, dstruct
)) {
966 C
->structs
= add_decl_struct(C
->structs
, dstruct
);
970 for (i
= 0; i
< T
.decls
->count
; ++i
) {
971 decl
*decl
= T
.decls
->list
[i
];
973 if (validate_decl(&T
, NULL
, decl
)) {
974 C
->decls
= add_decl(C
->decls
, decl
);
979 C
->data
= malloc(sizeof(*C
->data
));
980 PSI_DataExchange(C
->data
, &T
);
985 int PSI_ContextValidate(PSI_Context
*C
, PSI_Parser
*P
)
988 void *dlopened
= NULL
;
989 size_t count
= C
->count
++;
991 C
->data
= realloc(C
->data
, C
->count
* sizeof(*C
->data
));
992 D
= PSI_DataExchange(&C
->data
[count
], PSI_DATA(P
));
997 for (i
= 0; i
< D
->defs
->count
; ++i
) {
998 if (validate_decl_typedef(PSI_DATA(C
), D
->defs
->list
[i
])) {
999 C
->defs
= add_decl_typedef(C
->defs
, D
->defs
->list
[i
]);
1006 for (i
= 0; i
< D
->structs
->count
; ++i
) {
1007 if (validate_decl_struct(PSI_DATA(C
), D
->structs
->list
[i
])) {
1008 C
->structs
= add_decl_struct(C
->structs
, D
->structs
->list
[i
]);
1015 for (i
= 0; i
< D
->consts
->count
; ++i
) {
1016 if (validate_constant(PSI_DATA(C
), D
->consts
->list
[i
])) {
1017 C
->consts
= add_constant(C
->consts
, D
->consts
->list
[i
]);
1022 if (!validate_lib(D
, &dlopened
)) {
1026 add_decl_lib(&C
->psi
.libs
, dlopened
);
1031 for (i
= 0; i
< D
->decls
->count
; ++i
) {
1032 if (validate_decl(PSI_DATA(C
), dlopened
, D
->decls
->list
[i
])) {
1033 C
->decls
= add_decl(C
->decls
, D
->decls
->list
[i
]);
1040 for (i
= 0; i
< D
->impls
->count
; ++i
) {
1041 if (validate_impl(PSI_DATA(C
), D
->impls
->list
[i
])) {
1042 C
->impls
= add_impl(C
->impls
, D
->impls
->list
[i
]);
1050 static int psi_select_dirent(const struct dirent
*entry
)
1052 #ifndef FNM_CASEFOLD
1053 #define FNM_CASEFOLD 0
1055 return 0 == fnmatch("*.psi", entry
->d_name
, FNM_CASEFOLD
);
1058 void PSI_ContextBuild(PSI_Context
*C
, const char *paths
)
1060 int i
, n
, flags
= psi_check_env("PSI_DEBUG") ? PSI_PARSER_DEBUG
: 0;
1061 char *sep
= NULL
, *cpy
= strdup(paths
), *ptr
= cpy
;
1062 struct dirent
**entries
= NULL
;
1066 sep
= strchr(ptr
, ':');
1072 n
= php_scandir(ptr
, &entries
, psi_select_dirent
, alphasort
);
1075 for (i
= 0; i
< n
; ++i
) {
1076 char psi
[MAXPATHLEN
];
1079 if (MAXPATHLEN
<= slprintf(psi
, MAXPATHLEN
, "%s/%s", ptr
, entries
[i
]->d_name
)) {
1080 C
->error(NULL
, PSI_WARNING
, "Path to PSI file too long: %s/%s",
1081 ptr
, entries
[i
]->d_name
);
1083 if (!PSI_ParserInit(&P
, psi
, C
->error
, flags
)) {
1084 C
->error(NULL
, PSI_WARNING
, "Failed to init PSI parser (%s): %s",
1085 psi
, strerror(errno
));
1089 while (0 < PSI_ParserScan(&P
)) {
1090 PSI_ParserParse(&P
, PSI_TokenAlloc(&P
));
1091 if (P
.num
== PSI_T_EOF
) {
1096 PSI_ParserParse(&P
, NULL
);
1097 PSI_ContextValidate(C
, &P
);
1103 for (i
= 0; i
< n
; ++i
) {
1113 if (PSI_ContextCompile(C
) && SUCCESS
!= zend_register_functions(NULL
, C
->closures
, NULL
, MODULE_PERSISTENT
)) {
1114 C
->error(NULL
, PSI_WARNING
, "Failed to register functions!");
1121 zend_function_entry
*PSI_ContextCompile(PSI_Context
*C
)
1128 zc
.flags
= CONST_PERSISTENT
|CONST_CS
;
1129 zc
.module_number
= EG(current_module
)->module_number
;
1131 for (i
= 0; i
< C
->consts
->count
; ++i
) {
1132 constant
*c
= C
->consts
->list
[i
];
1134 zc
.name
= zend_string_init(c
->name
+ (c
->name
[0] == '\\'), strlen(c
->name
) - (c
->name
[0] == '\\'), 1);
1135 ZVAL_NEW_STR(&zc
.value
, zend_string_init(c
->val
->text
, strlen(c
->val
->text
), 1));
1137 switch (c
->type
->type
) {
1139 convert_to_boolean(&zc
.value
);
1142 convert_to_long(&zc
.value
);
1145 convert_to_double(&zc
.value
);
1148 zend_register_constant(&zc
);
1152 return C
->closures
= C
->ops
->compile(C
);
1156 void PSI_ContextCall(PSI_Context
*C
, decl_callinfo
*decl_call
, impl_vararg
*va
)
1158 C
->ops
->call(C
, decl_call
, va
);
1161 static inline void dump_decl_type(int fd
, decl_type
*t
) {
1171 dprintf(fd
, "%s%s", pre
, t
->name
);
1173 static inline void dump_decl_var(int fd
, decl_var
*v
) {
1174 dprintf(fd
, "%.*s%s", v
->pointer_level
-!!v
->array_size
, "**********", v
->name
);
1175 if (v
->array_size
) {
1176 dprintf(fd
, "[%u]", v
->array_size
);
1179 static inline void dump_decl_arg(int fd
, decl_arg
*a
) {
1180 dump_decl_type(fd
, a
->type
);
1182 dump_decl_var(fd
, a
->var
);
1184 static inline void dump_level(int fd
, unsigned level
) {
1185 dprintf(fd
, "%.*s", level
, "\t\t\t\t\t\t\t\t\t");
1187 static inline void dump_num_exp(int fd
, num_exp
*exp
) {
1191 dprintf(fd
, "%s", exp
->u
.numb
);
1194 dprintf(fd
, "%s", exp
->u
.cnst
->name
);
1197 dump_decl_var(fd
, exp
->u
.dvar
);
1199 EMPTY_SWITCH_DEFAULT_CASE();
1204 switch (exp
->operator) {
1205 case PSI_T_PLUS
: op
= '+'; break;
1206 case PSI_T_MINUS
: op
= '-'; break;
1207 case PSI_T_ASTERISK
:op
= '*'; break;
1208 case PSI_T_SLASH
: op
= '/'; break;
1209 EMPTY_SWITCH_DEFAULT_CASE();
1211 dprintf(fd
, " %c ", op
);
1217 static inline void dump_impl_set_value(int fd
, set_value
*set
, unsigned level
) {
1221 /* only if not directly after `set ...` */
1222 dump_level(fd
, level
);
1225 if (set
->func
->type
== PSI_T_ELLIPSIS
) {
1226 dprintf(fd
, "%s(", set
->outer
.set
->func
->name
);
1228 dprintf(fd
, "%s(", set
->func
->name
);
1231 for (i
= 0; i
< set
->vars
->count
; ++i
) {
1232 decl_var
*svar
= set
->vars
->vars
[i
];
1236 dump_decl_var(fd
, svar
);
1239 if (set
->func
->type
== PSI_T_ELLIPSIS
) {
1240 dprintf(fd
, ", ...");
1244 dump_num_exp(fd
, set
->num
);
1246 if (set
->inner
&& set
->func
->type
!= PSI_T_ELLIPSIS
) {
1248 for (i
= 0; i
< set
->count
; ++i
) {
1249 dump_impl_set_value(fd
, set
->inner
[i
], level
+1);
1251 /* only if inner stmts, i.e. with new lines, were dumped */
1252 dump_level(fd
, level
);
1255 dprintf(fd
, "),\n");
1257 dprintf(fd
, ");\n");
1260 void PSI_ContextDump(PSI_Context
*C
, int fd
)
1265 if (C
->ops
== PSI_Libjit()) {
1266 dprintf(fd
, "// psi.engine=jit\n");
1270 if (C
->ops
== PSI_Libffi()) {
1271 dprintf(fd
, "// psi.engine=ffi\n");
1277 for (i
= 0; i
< C
->defs
->count
; ++i
) {
1278 decl_typedef
*tdef
= C
->defs
->list
[i
];
1280 dprintf(fd
, "typedef ");
1281 dump_decl_type(fd
, tdef
->type
);
1282 dprintf(fd
, " %s%s;\n", tdef
->type
->type
== PSI_T_POINTER
? "*":"",
1289 for (i
= 0; i
< C
->structs
->count
; ++i
) {
1290 decl_struct
*strct
= C
->structs
->list
[i
];
1292 dprintf(fd
, "struct %s::(%zu) {\n", strct
->name
, strct
->size
);
1293 if (strct
->args
) for (j
= 0; j
< strct
->args
->count
; ++j
) {
1294 decl_arg
*sarg
= strct
->args
->args
[j
];
1297 dump_decl_arg(fd
, sarg
);
1298 dprintf(fd
, "::(%zu, %zu);\n", sarg
->layout
->pos
, sarg
->layout
->len
);
1305 for (i
= 0; i
< C
->consts
->count
; ++i
) {
1306 constant
*cnst
= C
->consts
->list
[i
];
1308 dprintf(fd
, "const %s %s = ", cnst
->type
->name
, cnst
->name
);
1309 if (cnst
->val
->type
== PSI_T_QUOTED_STRING
) {
1310 dprintf(fd
, "\"%s\";\n", cnst
->val
->text
);
1312 dprintf(fd
, "%s;\n", cnst
->val
->text
);
1318 for (i
= 0; i
< C
->decls
->count
; ++i
) {
1319 decl
*decl
= C
->decls
->list
[i
];
1321 dprintf(fd
, "%s ", decl
->abi
->convention
);
1322 dump_decl_arg(fd
, decl
->func
);
1325 for (j
= 0; j
< decl
->args
->count
; ++j
) {
1329 dump_decl_arg(fd
, decl
->args
->args
[j
]);
1331 if (decl
->args
->varargs
) {
1332 dprintf(fd
, ", ...");
1335 dprintf(fd
, ");\n");
1340 for (i
= 0; i
< C
->impls
->count
; ++i
) {
1341 impl
*impl
= C
->impls
->list
[i
];
1343 dprintf(fd
, "function %s(", impl
->func
->name
);
1344 if (impl
->func
->args
) {
1345 for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
1346 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
1348 dprintf(fd
, "%s%s %s$%s",
1351 iarg
->var
->reference
? "&" : "",
1354 dprintf(fd
, " = %s", iarg
->def
->text
);
1357 if (impl
->func
->args
->vararg
.name
) {
1358 impl_arg
*vararg
= impl
->func
->args
->vararg
.name
;
1360 dprintf(fd
, ", %s %s...$%s",
1362 vararg
->var
->reference
? "&" : "",
1366 dprintf(fd
, ") : %s%s {\n",
1367 impl
->func
->return_reference
? "&":"",
1368 impl
->func
->return_type
->name
);
1370 for (j
= 0; j
< impl
->stmts
->let
.count
; ++j
) {
1371 let_stmt
*let
= impl
->stmts
->let
.list
[j
];
1373 dprintf(fd
, "\tlet %s", let
->var
->name
);
1375 dprintf(fd
, " = %s", let
->val
->flags
.one
.is_reference
? "&" : "");
1376 switch (let
->val
->kind
) {
1378 dprintf(fd
, "NULL");
1381 dump_decl_var(fd
, let
->val
->data
.var
);
1383 case PSI_LET_CALLOC
:
1384 dprintf(fd
, "calloc(");
1385 dump_num_exp(fd
, let
->val
->data
.alloc
->nmemb
);
1387 dump_num_exp(fd
, let
->val
->data
.alloc
->size
);
1391 dprintf(fd
, "%s($%s)", let
->val
->data
.func
->name
,
1392 let
->val
->data
.func
->var
->name
);
1394 case PSI_LET_NUMEXP
:
1395 dump_num_exp(fd
, let
->val
->data
.num
);
1398 EMPTY_SWITCH_DEFAULT_CASE();
1403 for (j
= 0; j
< impl
->stmts
->ret
.count
; ++j
) {
1404 return_stmt
*ret
= impl
->stmts
->ret
.list
[j
];
1406 dprintf(fd
, "\treturn ");
1407 dump_impl_set_value(fd
, ret
->set
, 1);
1409 for (j
= 0; j
< impl
->stmts
->set
.count
; ++j
) {
1410 set_stmt
*set
= impl
->stmts
->set
.list
[j
];
1412 dprintf(fd
, "\tset $%s = ", set
->var
->name
);
1413 dump_impl_set_value(fd
, set
->val
, 1);
1415 for (j
= 0; j
< impl
->stmts
->fre
.count
; ++j
) {
1416 free_stmt
*fre
= impl
->stmts
->fre
.list
[j
];
1418 dprintf(fd
, "\tfree ");
1419 for (k
= 0; k
< fre
->calls
->count
; ++k
) {
1420 free_call
*call
= fre
->calls
->list
[k
];
1425 dprintf(fd
, "%s(", call
->func
);
1426 for (l
= 0; l
< call
->vars
->count
; ++l
) {
1427 decl_var
*fvar
= call
->vars
->vars
[l
];
1429 dump_decl_var(fd
, fvar
);
1431 dprintf(fd
, ");\n");
1441 void PSI_ContextDtor(PSI_Context
*C
)
1444 zend_function_entry
*zfe
;
1450 free_decl_libs(&C
->psi
.libs
);
1453 for (i
= 0; i
< C
->count
; ++i
) {
1454 PSI_DataDtor(&C
->data
[i
]);
1460 for (zfe
= C
->closures
; zfe
->fname
; ++zfe
) {
1461 free((void *) zfe
->arg_info
);
1467 if (C
->consts
->list
) {
1468 free(C
->consts
->list
);
1473 if (C
->defs
->list
) {
1474 free(C
->defs
->list
);
1479 if (C
->structs
->list
) {
1480 free(C
->structs
->list
);
1485 if (C
->decls
->list
) {
1486 free(C
->decls
->list
);
1491 if (C
->impls
->list
) {
1492 free(C
->impls
->list
);
1497 memset(C
, 0, sizeof(*C
));
1500 void PSI_ContextFree(PSI_Context
**C
)
1503 PSI_ContextDtor(*C
);