11 #include "php_psi_stdinc.h"
12 #include "php_psi_stdtypes.h"
13 #include "php_psi_macros.h"
14 #include "php_psi_redirs.h"
20 static int validate_lib(PSI_Data
*data
, void **dlopened
) {
22 const char *ptr
= data
->psi
.file
.ln
;
26 /* FIXME: assume stdlib */
28 } else if (!strchr(ptr
, '/')) {
29 len
= snprintf(lib
, MAXPATHLEN
, "lib%s.%s", ptr
, PHP_PSI_SHLIB_SUFFIX
);
30 if (MAXPATHLEN
== len
) {
31 data
->error(NULL
, PSI_WARNING
, "Library name too long: '%s'", ptr
);
36 if (!(*dlopened
= dlopen(ptr
, RTLD_LAZY
|RTLD_LOCAL
))) {
37 data
->error(NULL
, PSI_WARNING
, "Could not open library '%s': %s.",
38 data
->psi
.file
.ln
, dlerror());
44 static inline int locate_decl_type_alias(decl_typedefs
*defs
, decl_type
*type
) {
46 struct psi_std_type
*stdtyp
;
51 if (defs
) for (i
= 0; i
< defs
->count
; ++i
) {
52 decl_arg
*def
= defs
->list
[i
];
54 if (def
->type
->type
!= type
->type
&& !strcmp(def
->var
->name
, type
->name
)) {
55 type
->real
= def
->type
;
59 for (stdtyp
= &psi_std_types
[0]; stdtyp
->type_tag
; ++stdtyp
) {
60 if (!strcmp(type
->name
, stdtyp
->alias
?: stdtyp
->type_name
)) {
61 type
->type
= stdtyp
->type_tag
;
69 static inline int locate_decl_type_struct(decl_structs
*structs
, decl_type
*type
) {
75 if (structs
) for (i
= 0; i
< structs
->count
; ++i
) {
76 if (!strcmp(structs
->list
[i
]->name
, type
->name
)) {
77 type
->strct
= structs
->list
[i
];
84 static inline int locate_decl_type_enum(decl_enums
*enums
, decl_type
*type
) {
90 if (enums
) for (i
= 0; i
< enums
->count
; ++i
) {
91 if (!strcmp(enums
->list
[i
]->name
, type
->name
)) {
92 type
->enm
= enums
->list
[i
];
99 static inline int validate_decl_type(PSI_Data
*data
, decl_type
*type
) {
100 switch (type
->type
) {
106 if (!locate_decl_type_alias(data
->defs
, type
)) {
110 return validate_decl_type(data
, type
->real
);
114 if (!locate_decl_type_struct(data
->structs
, type
)) {
119 if (!locate_decl_type_enum(data
->enums
, type
)) {
125 static inline int validate_decl_typedef(PSI_Data
*data
, decl_arg
*def
) {
126 if (!validate_decl_type(data
, def
->type
)) {
127 data
->error(def
->token
, PSI_WARNING
,
128 "Type '%s' cannot be aliased to %s'%s'",
129 def
->type
->name
, def
->type
->type
== PSI_T_STRUCT
?"struct ":"",
136 static inline int validate_constant(PSI_Data
*data
, constant
*c
) {
141 static inline int validate_decl_arg(PSI_Data
*data
, decl_arg
*arg
) {
142 if (!validate_decl_type(data
, arg
->type
)) {
143 data
->error(arg
->type
->token
, PSI_WARNING
,
144 "Cannot use '%s'(%d) as type for decl var '%s'",
145 arg
->type
->name
, arg
->type
->type
, arg
->var
->name
);
151 static int psi_sort_struct_arg_cmp(const void *_a
, const void *_b
) {
152 decl_arg
*a
= *(decl_arg
**)_a
, *b
= *(decl_arg
**)_b
;
154 if (a
->layout
->pos
== b
->layout
->pos
) {
155 if (a
->layout
->len
== b
->layout
->len
) {
157 } else if (a
->layout
->len
> b
->layout
->len
) {
162 } else if (a
->layout
->pos
> b
->layout
->pos
) {
168 static void psi_sort_struct_arg_swp(void *a
, void *b
) {
169 decl_arg
**_a
= a
, **_b
= b
, *_c
;
175 static inline void psi_sort_struct_args(decl_struct
*s
) {
176 zend_insert_sort(s
->args
->args
, s
->args
->count
, sizeof(*s
->args
->args
),
177 psi_sort_struct_arg_cmp
, psi_sort_struct_arg_swp
);
180 static inline int validate_decl_struct(PSI_Data
*data
, decl_struct
*s
) {
183 for (i
= 0; i
< s
->args
->count
; ++i
) {
184 if (!validate_decl_arg(data
, s
->args
->args
[i
])) {
189 for (i
= 0; i
< s
->args
->count
; ++i
) {
190 decl_arg
*darg
= s
->args
->args
[i
];
192 if (!validate_decl_arg(data
, darg
)) {
196 ZEND_ASSERT(!darg
->var
->arg
|| darg
->var
->arg
== darg
);
197 darg
->var
->arg
= darg
;
202 if (darg
->var
->array_size
) {
203 size
= psi_t_size(real_decl_type(darg
->type
)->type
) * darg
->var
->array_size
;
204 } else if (darg
->var
->pointer_level
) {
205 size
= psi_t_size(PSI_T_POINTER
);
207 decl_type
*real
= real_decl_type(darg
->type
);
209 if (real
->type
== PSI_T_STRUCT
) {
210 size
= real
->strct
->size
;
212 size
= psi_t_size(real
->type
);
215 if (darg
->layout
->len
!= size
) {
216 data
->error(darg
->token
, PSI_WARNING
,
217 "Computed length %zu of %s.%s does not match"
218 " pre-defined length %zu of type '%s'",
219 darg
->layout
->len
, s
->name
, darg
->var
->name
, size
,
227 if (darg
->var
->pointer_level
&& (!darg
->var
->array_size
|| darg
->var
->pointer_level
== 1)) {
230 t
= real_decl_type(darg
->type
)->type
;
235 if (!validate_decl_struct(data
, real_decl_type(darg
->type
)->strct
)) {
238 size
= real_decl_type(darg
->type
)->strct
->size
;
241 size
= psi_t_size(t
) * (darg
->var
->array_size
?: 1);
246 decl_arg
*last
= s
->args
->args
[i
-1];
248 align
= psi_t_align(t
, last
->layout
->pos
+ last
->layout
->len
);
253 darg
->layout
= init_decl_struct_layout(align
, size
);
255 if (s
->size
< darg
->layout
->pos
+ darg
->layout
->len
) {
256 s
->size
= darg
->layout
->pos
+ darg
->layout
->len
;
257 /* FIXME: align struct */
261 psi_sort_struct_args(s
);
266 static const char * const abi_ccs
[] = {
268 "extern", /* > - all the same */
274 static inline int validate_decl_abi(PSI_Data
*data
, decl_abi
*abi
) {
277 for (i
= 0; i
< sizeof(abi_ccs
)/sizeof(char*); ++i
) {
278 if (strcasecmp(abi
->convention
, abi_ccs
[i
])) {
284 static inline int validate_decl_func(PSI_Data
*data
, void *dl
, decl
*decl
, decl_arg
*func
)
286 struct psi_func_redir
*redir
;
288 if (!strcmp(func
->var
->name
, "dlsym")) {
289 data
->error(func
->token
, PSI_WARNING
, "Cannot dlsym dlsym (sic!)");
293 if (!validate_decl_arg(data
, func
)) {
296 for (redir
= &psi_func_redirs
[0]; redir
->name
; ++redir
) {
297 if (!strcmp(func
->var
->name
, redir
->name
)) {
298 decl
->call
.sym
= redir
->func
;
301 if (!decl
->call
.sym
) {
303 # define RTLD_NEXT ((void *) -1l)
305 decl
->call
.sym
= dlsym(dl
?: RTLD_NEXT
, func
->var
->name
);
306 if (!decl
->call
.sym
) {
307 data
->error(func
->token
, PSI_WARNING
,
308 "Failed to locate symbol '%s': %s",
309 func
->var
->name
, dlerror());
315 static inline int validate_decl(PSI_Data
*data
, void *dl
, decl
*decl
) {
316 if (!validate_decl_abi(data
, decl
->abi
)) {
317 data
->error(decl
->abi
->token
, PSI_WARNING
,
318 "Invalid calling convention: '%s'", decl
->abi
->token
->text
);
321 if (!validate_decl_func(data
, dl
, decl
, decl
->func
)) {
327 for (i
= 0; i
< decl
->args
->count
; ++i
) {
328 if (!validate_decl_arg(data
, decl
->args
->args
[i
])) {
335 static inline decl_arg
*locate_decl_var_arg(decl_var
*var
, decl_args
*args
, decl_arg
*func
) {
338 if (args
) for (i
= 0; i
< args
->count
; ++i
) {
339 decl_arg
*arg
= args
->args
[i
];
341 if (!strcmp(var
->name
, arg
->var
->name
)) {
342 ZEND_ASSERT(!var
->arg
|| var
->arg
== arg
);
343 return var
->arg
= arg
;
346 if (func
&& !strcmp(var
->name
, func
->var
->name
)) {
347 return var
->arg
= func
;
352 static inline decl_arg
*locate_struct_member(decl_struct
*s
, decl_var
*var
) {
354 return locate_decl_var_arg(var
, s
->args
, NULL
);
359 static inline constant
*locate_num_exp_constant(num_exp
*exp
, constants
*consts
) {
362 for (i
= 0; i
< consts
->count
; ++i
) {
363 constant
*cnst
= consts
->list
[i
];
365 if (!strcmp(cnst
->name
, exp
->u
.numb
)) {
367 return exp
->u
.cnst
= cnst
;
373 static inline decl_enum_item
*locate_num_exp_enum_item_ex(num_exp
*exp
, decl_enum
*e
) {
376 if (e
) for (k
= 0; k
< e
->items
->count
; ++k
) {
377 decl_enum_item
*i
= e
->items
->list
[k
];
379 if (!strcmp(i
->name
, exp
->u
.dvar
->name
)) {
380 free_decl_var(exp
->u
.dvar
);
388 static inline decl_enum_item
*locate_num_exp_enum_item(num_exp
*exp
, decl_enums
*enums
) {
391 if (enums
) for (j
= 0; j
< enums
->count
; ++j
) {
392 decl_enum
*e
= enums
->list
[j
];
393 decl_enum_item
*i
= locate_num_exp_enum_item_ex(exp
, e
);
401 static inline int validate_num_exp(PSI_Data
*data
, num_exp
*exp
, decl_args
*dargs
, decl_arg
*func
, decl_enum
*enm
) {
403 switch (exp
->operator) {
405 exp
->calculator
= psi_calc_add
;
408 exp
->calculator
= psi_calc_sub
;
411 exp
->calculator
= psi_calc_mul
;
414 exp
->calculator
= psi_calc_div
;
416 EMPTY_SWITCH_DEFAULT_CASE();
418 if (!validate_num_exp(data
, exp
->operand
, dargs
, func
, enm
)) {
424 if (!locate_decl_var_arg(exp
->u
.dvar
, dargs
, func
)) {
425 if (!locate_num_exp_enum_item(exp
, data
->enums
) && !locate_num_exp_enum_item_ex(exp
, enm
)) {
426 data
->error(exp
->token
, PSI_WARNING
, "Unknown variable '%s' in numeric expression",
433 if (!locate_num_exp_constant(exp
, data
->consts
)) {
434 data
->error(exp
->token
, PSI_WARNING
, "Unknown constant '%s' in numeric expression",
447 static inline int validate_decl_enum(PSI_Data
*data
, decl_enum
*e
) {
450 if (!e
->items
|| !e
->items
->count
) {
451 data
->error(e
->token
, PSI_WARNING
, "Empty enum '%s'", e
->name
);
455 for (j
= 0; j
< e
->items
->count
; ++j
) {
456 decl_enum_item
*i
= e
->items
->list
[j
];
460 i
->inc
.t
= PSI_T_NUMBER
;
462 i
->inc
.operator = PSI_T_PLUS
;
463 i
->inc
.operand
= i
->prev
->num
?: &i
->prev
->inc
;
466 i
->inc
.t
= PSI_T_NUMBER
;
471 if (!validate_num_exp(data
, i
->num
, NULL
, NULL
, e
)) {
479 static inline int validate_set_value_handler(set_value
*set
) {
480 switch (set
->func
->type
) {
482 set
->func
->handler
= psi_to_bool
;
485 set
->func
->handler
= psi_to_int
;
488 set
->func
->handler
= psi_to_double
;
490 case PSI_T_TO_STRING
:
491 set
->func
->handler
= psi_to_string
;
494 set
->func
->handler
= psi_to_array
;
496 case PSI_T_TO_OBJECT
:
497 set
->func
->handler
= psi_to_object
;
500 set
->func
->handler
= psi_to_void
;
503 if (set
->outer
.set
&& set
->outer
.set
->func
->type
== PSI_T_TO_ARRAY
) {
504 set
->func
->handler
= psi_to_recursive
;
505 set
->inner
= set
->outer
.set
->inner
;
506 set
->count
= set
->outer
.set
->count
;
515 static inline void decl_var_arg_v(decl_args
*args
, va_list argp
) {
519 memset(args
, 0, sizeof(*args
));
521 while ((argc
= va_arg(argp
, int))) {
522 argv
= va_arg(argp
, decl_arg
**);
524 add_decl_arg(args
, *argv
++);
528 static inline int validate_set_value_ex(PSI_Data
*data
, set_value
*set
, decl_arg
*ref
, decl_args
*ref_list
) {
531 decl_var
*set_var
= set
->vars
->vars
[0];
533 if (!validate_set_value_handler(set
)) {
534 data
->error(set
->func
->token
, PSI_WARNING
, "Invalid cast '%s' in `set` statement", set
->func
->name
);
538 for (i
= 0; i
< set
->vars
->count
; ++i
) {
539 decl_var
*svar
= set
->vars
->vars
[i
];
540 if (!svar
->arg
&& !locate_decl_var_arg(svar
, ref_list
, NULL
)) {
541 data
->error(svar
->token
, PSI_WARNING
, "Unknown variable '%s' in `set` statement", svar
->name
);
549 ref_type
= real_decl_type(ref
->type
);
552 int is_to_array
= (set
->func
->type
== PSI_T_TO_ARRAY
);
553 int is_pointer_to_struct
= (ref_type
->type
== PSI_T_STRUCT
&& ref
->var
->pointer_level
);
555 if (!is_to_array
&& !is_pointer_to_struct
) {
556 data
->error(set
->func
->token
, E_WARNING
, "Inner `set` statement casts only work with "
557 "to_array() casts on structs or pointers: %s(%s...", set
->func
->name
, set
->vars
->vars
[0]->name
);
562 if (!validate_num_exp(data
, set
->num
, ref_list
, ref
, NULL
)) {
567 if (ref_type
->type
== PSI_T_STRUCT
) {
568 /* to_array(struct, to_...) */
569 if (!set
->outer
.set
|| set
->outer
.set
->inner
!= set
->inner
) {
570 for (i
= 0; i
< set
->count
; ++i
) {
571 decl_var
*sub_var
= set
->inner
[i
]->vars
->vars
[0];
572 decl_arg
*sub_ref
= locate_struct_member(ref_type
->strct
, sub_var
);
575 if (!validate_set_value_ex(data
, set
->inner
[i
], sub_ref
, ref_type
->strct
->args
)) {
581 } else if (set
->count
== 1) {
582 /* to_array(ptr, to_string(*ptr)) */
583 decl_var
*sub_var
= set
->inner
[0]->vars
->vars
[0];
584 decl_arg
*sub_ref
= locate_decl_var_arg(sub_var
, ref_list
, ref
);
587 if (strcmp(sub_var
->name
, set_var
->name
)) {
588 data
->error(sub_var
->token
, E_WARNING
, "Inner `set` statement casts on pointers must reference the same variable");
591 if (!validate_set_value_ex(data
, set
->inner
[0], sub_ref
, ref_list
)) {
595 } else if (set
->count
> 1) {
596 data
->error(set
->func
->token
, E_WARNING
, "Inner `set` statement casts on pointers may only occur once");
602 static inline int validate_set_value(PSI_Data
*data
, set_value
*set
, ...) {
604 decl_args args
= {0};
608 decl_var_arg_v(&args
, argp
);
611 check
= validate_set_value_ex(data
, set
, NULL
, &args
);
617 static inline decl
*locate_impl_decl(decls
*decls
, return_stmt
*ret
) {
621 for (i
= 0; i
< decls
->count
; ++i
) {
622 if (!strcmp(decls
->list
[i
]->func
->var
->name
, ret
->set
->vars
->vars
[0]->name
)) {
623 ret
->decl
= decls
->list
[i
]->func
;
624 return decls
->list
[i
];
631 static inline int validate_impl_ret_stmt(PSI_Data
*data
, impl
*impl
) {
634 /* we must have exactly one ret stmt delcaring the native func to call */
635 /* and which type cast to apply */
636 if (impl
->stmts
->ret
.count
!= 1) {
637 if (impl
->stmts
->ret
.count
> 1) {
638 data
->error(impl
->stmts
->ret
.list
[1]->token
, PSI_WARNING
,
639 "Too many `return` statements for implmentation %s;"
640 " found %zu, exactly one is needed",
641 impl
->func
->name
, impl
->stmts
->ret
.count
);
643 data
->error(impl
->func
->token
, PSI_WARNING
,
644 "Missing `return` statement for implementation %s",
650 ret
= impl
->stmts
->ret
.list
[0];
652 if (!(impl
->decl
= locate_impl_decl(data
->decls
, ret
))) {
653 data
->error(ret
->token
, PSI_WARNING
,
654 "Missing declaration '%s' for `return` statment for implementation %s",
655 ret
->set
->vars
->vars
[0]->name
, impl
->func
->name
);
659 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)) {
663 impl
->decl
->impl
= impl
;
668 static inline int validate_impl_let_stmts(PSI_Data
*data
, impl
*impl
) {
670 /* we can have multiple let stmts */
672 /* check that we have a decl arg for every let stmt */
673 for (i
= 0; i
< impl
->stmts
->let
.count
; ++i
) {
674 let_stmt
*let
= impl
->stmts
->let
.list
[i
];
678 if (let
->val
&& let
->val
->kind
== PSI_LET_TMP
) {
679 let_var
= let
->val
->data
.var
;
684 if (!locate_decl_var_arg(let_var
, impl
->decl
->args
, impl
->decl
->func
)) {
685 data
->error(let_var
->token
, PSI_WARNING
, "Unknown variable '%s' in `let` statement"
686 " of implementation '%s'", let_var
->name
, impl
->func
->name
);
690 switch (let
->val
->kind
) {
694 /* e.g. let bar = &strval($bar); // decl_arg(char **bar) */
695 /* e.g. let foo = *bar; */
696 let
->var
->pointer_level
= let
->val
->data
.var
->pointer_level
;
697 let
->var
->arg
= init_decl_arg(
699 real_decl_type(let
->val
->data
.var
->arg
->type
)->type
,
700 real_decl_type(let
->val
->data
.var
->arg
->type
)->name
),
703 let
->var
->pointer_level
,
704 let
->var
->array_size
));
707 if (!validate_num_exp(data
, let
->val
->data
.num
, impl
->decl
->args
, impl
->decl
->func
, NULL
)) {
712 if (!validate_num_exp(data
, let
->val
->data
.alloc
->nmemb
, impl
->decl
->args
, impl
->decl
->func
, NULL
)) {
715 if (!validate_num_exp(data
, let
->val
->data
.alloc
->size
, impl
->decl
->args
, impl
->decl
->func
, NULL
)) {
720 if (impl
->func
->args
) {
721 for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
722 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
724 if (!strcmp(let
->val
->data
.func
->var
->name
, iarg
->var
->name
)) {
725 let
->val
->data
.func
->arg
= iarg
;
732 data
->error(let
->var
->token
, PSI_WARNING
, "Unknown value '$%s' of `let` statement"
733 " for variable '%s' of implementation '%s'",
734 let
->val
->data
.func
->var
->name
, let
->var
->name
, impl
->func
->name
);
741 /* check that we have a let stmt for every decl arg */
742 if (impl
->decl
->args
) for (i
= 0; i
< impl
->decl
->args
->count
; ++i
) {
743 decl_arg
*darg
= impl
->decl
->args
->args
[i
];
746 for (j
= 0; j
< impl
->stmts
->let
.count
; ++j
) {
747 let_stmt
*let
= impl
->stmts
->let
.list
[j
];
749 if (!strcmp(let
->var
->name
, darg
->var
->name
)) {
756 data
->error(impl
->func
->token
, PSI_WARNING
,
757 "Missing `let` statement for arg '%s %.*s%s'"
758 " of declaration '%s' for implementation '%s'",
759 darg
->type
->name
, (int) darg
->var
->pointer_level
, "*****",
760 darg
->var
->name
, impl
->decl
->func
->var
->name
, impl
->func
->name
);
767 static inline int validate_impl_set_stmts(PSI_Data
*data
, impl
*impl
) {
769 /* we can have any count of set stmts; processing out vars */
770 /* check that set stmts reference known variables */
771 for (i
= 0; i
< impl
->stmts
->set
.count
; ++i
) {
772 set_stmt
*set
= impl
->stmts
->set
.list
[i
];
775 if (impl
->func
->args
) for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
776 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
778 if (!strcmp(set
->var
->name
, iarg
->var
->name
)) {
785 data
->error(set
->var
->token
, PSI_WARNING
, "Unknown variable '$%s' of `set` statement"
786 " of implementation '%s'",
787 set
->var
->name
, impl
->func
->name
);
791 for (j
= 0; j
< set
->val
->vars
->count
; ++j
) {
792 decl_var
*set_var
= set
->val
->vars
->vars
[j
];
795 if (impl
->decl
->args
) {
796 for (k
= 0; k
< impl
->decl
->args
->count
; ++k
) {
797 decl_arg
*set_arg
= impl
->decl
->args
->args
[k
];
799 if (!strcmp(set_var
->name
, set_arg
->var
->name
)) {
801 set_var
->arg
= set_arg
;
802 if (!validate_set_value(data
, set
->val
, 1, &set_arg
, 1, &impl
->decl
->func
, impl
->decl
->args
->count
, impl
->decl
->args
->args
, 0)) {
810 for (k
= 0; k
< impl
->stmts
->let
.count
; ++k
) {
811 let_stmt
*let
= impl
->stmts
->let
.list
[k
];
813 /* check temp vars */
814 if (let
->val
&& let
->val
->kind
== PSI_LET_TMP
) {
815 if (!strcmp(set_var
->name
, let
->var
->name
)) {
817 set_var
->arg
= let
->var
->arg
;
818 if (!validate_set_value(data
, set
->val
, 1, &set_var
->arg
, 1, &impl
->decl
->func
, impl
->decl
->args
->count
, impl
->decl
->args
->args
, 0)) {
828 data
->error(set_var
->token
, PSI_WARNING
, "Unknown value '%s' of `set` statement"
829 " for variable '$%s' of implementation '%s'",
830 set_var
->name
, set
->arg
->var
->name
, impl
->func
->name
);
837 static inline decl
*locate_free_decl(decls
*decls
, free_call
*f
) {
841 for (i
= 0; i
< decls
->count
; ++i
) {
842 if (!strcmp(decls
->list
[i
]->func
->var
->name
, f
->func
)) {
843 f
->decl
= decls
->list
[i
];
844 return decls
->list
[i
];
851 static inline int validate_impl_free_stmts(PSI_Data
*data
, impl
*impl
) {
853 /* we can have any count of free stmts; freeing any out vars */
854 for (i
= 0; i
< impl
->stmts
->fre
.count
; ++i
) {
855 free_stmt
*fre
= impl
->stmts
->fre
.list
[i
];
857 for (j
= 0; j
< fre
->calls
->count
; ++j
) {
858 free_call
*free_call
= fre
->calls
->list
[j
];
860 /* first find the decl of the free func */
861 if (!locate_free_decl(data
->decls
, free_call
)) {
862 data
->error(free_call
->token
, PSI_WARNING
,
863 "Missing declaration '%s' in `free` statement"
864 " of implementation '%s'",
865 free_call
->func
, impl
->func
->name
);
871 /* now check for known vars */
872 for (l
= 0; l
< free_call
->vars
->count
; ++l
) {
874 decl_var
*free_var
= free_call
->vars
->vars
[l
];
876 if (!strcmp(free_var
->name
, impl
->decl
->func
->var
->name
)) {
878 free_var
->arg
= impl
->decl
->func
;
879 } else if (impl
->decl
->args
) {
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
;
892 data
->error(free_var
->token
, PSI_WARNING
,
893 "Unknown variable '%s' of `free` statement"
894 " of implementation '%s'",
895 free_var
->name
, impl
->func
->name
);
903 static inline int validate_impl_stmts(PSI_Data
*data
, impl
*impl
) {
905 data
->error(impl
->func
->token
, PSI_WARNING
,
906 "Missing body for implementation %s!",
911 if (!validate_impl_ret_stmt(data
, impl
)) {
915 if (!validate_impl_let_stmts(data
, impl
)) {
918 if (!validate_impl_set_stmts(data
, impl
)) {
921 if (!validate_impl_free_stmts(data
, impl
)) {
928 static inline int validate_impl_args(PSI_Data
*data
, impl
*impl
) {
932 for (i
= 0; i
< impl
->func
->args
->count
; ++i
) {
933 impl_arg
*iarg
= impl
->func
->args
->args
[i
];
938 data
->error(impl
->func
->token
, PSI_WARNING
,
939 "Non-optional argument %zu '$%s' of implementation '%s'"
940 " follows optional argument",
941 i
+1, iarg
->var
->name
, impl
->func
->name
);
949 static inline int validate_impl(PSI_Data
*data
, impl
*impl
) {
950 if (!validate_impl_args(data
, impl
)) {
953 return validate_impl_stmts(data
, impl
);
957 int PSI_ContextValidate(PSI_Context
*C
, PSI_Parser
*P
)
960 void *dlopened
= NULL
;
961 size_t i
, count
= C
->count
++, check_round
, check_count
;
962 decl_typedefs
*check_defs
= P
->defs
;
963 decl_structs
*check_structs
= P
->structs
;
964 decl_enums
*check_enums
= P
->enums
;
966 C
->data
= realloc(C
->data
, C
->count
* sizeof(*C
->data
));
967 D
= PSI_DataExchange(&C
->data
[count
], PSI_DATA(P
));
970 for (i = 0; i < D->defs->count; ++i) {
971 if (validate_decl_typedef(PSI_DATA(C), D->defs->list[i])) {
972 C->defs = add_decl_typedef(C->defs, D->defs->list[i]);
974 check_defs = add_decl_typedef(check_defs, D->defs->list[i]);
979 for (i = 0; i < D->structs->count; ++i) {
980 if (validate_decl_struct(PSI_DATA(C), D->structs->list[i])) {
981 C->structs = add_decl_struct(C->structs, D->structs->list[i]);
983 check_structs = add_decl_struct(check_structs, D->structs->list[i]);
988 for (i = 0; i < D->enums->count; ++i) {
989 if (validate_decl_enum(PSI_DATA(C), D->enums->list[i])) {
990 C->enums = add_decl_enum(C->enums, D->enums->list[i]);
992 check_enums = add_decl_enum(check_enums, D->enums->list[i]);
997 #define REVALIDATE(what) do { \
998 if (check_round && check_ ##what) { \
999 free(check_ ##what->list); \
1000 free(check_ ##what); \
1002 check_ ##what = recheck_ ##what; \
1004 #define CHECK_TOTAL (CHECK_COUNT(defs) + CHECK_COUNT(structs) + CHECK_COUNT(enums))
1005 #define CHECK_COUNT(of) (check_ ##of ? check_ ##of->count : 0)
1007 for (check_round
= 0, check_count
= 0; CHECK_TOTAL
&& check_count
!= CHECK_TOTAL
; ++check_round
) {
1008 decl_typedefs
*recheck_defs
= NULL
;
1009 decl_structs
*recheck_structs
= NULL
;
1010 decl_enums
*recheck_enums
= NULL
;
1012 check_count
= CHECK_TOTAL
;
1013 fprintf(stderr
, "### Validation round %zu with %zu checks\n", check_round
, check_count
);
1015 for (i
= 0; i
< CHECK_COUNT(defs
); ++i
) {
1016 if (validate_decl_typedef(PSI_DATA(C
), check_defs
->list
[i
])) {
1017 C
->defs
= add_decl_typedef(C
->defs
, check_defs
->list
[i
]);
1019 recheck_defs
= add_decl_typedef(recheck_defs
, check_defs
->list
[i
]);
1022 for (i
= 0; i
< CHECK_COUNT(structs
); ++i
) {
1023 if (validate_decl_struct(PSI_DATA(C
), check_structs
->list
[i
])) {
1024 C
->structs
= add_decl_struct(C
->structs
, check_structs
->list
[i
]);
1026 recheck_structs
= add_decl_struct(recheck_structs
, check_structs
->list
[i
]);
1029 for (i
= 0; i
< CHECK_COUNT(enums
); ++i
) {
1030 if (validate_decl_enum(PSI_DATA(C
), check_enums
->list
[i
])) {
1031 C
->enums
= add_decl_enum(C
->enums
, check_enums
->list
[i
]);
1033 recheck_enums
= add_decl_enum(recheck_enums
, check_enums
->list
[i
]);
1038 REVALIDATE(structs
);
1044 for (i
= 0; i
< D
->consts
->count
; ++i
) {
1045 if (validate_constant(PSI_DATA(C
), D
->consts
->list
[i
])) {
1046 C
->consts
= add_constant(C
->consts
, D
->consts
->list
[i
]);
1051 if (!validate_lib(D
, &dlopened
)) {
1055 add_decl_lib(&C
->psi
.libs
, dlopened
);
1058 for (i
= 0; i
< D
->decls
->count
; ++i
) {
1059 if (validate_decl(PSI_DATA(C
), dlopened
, D
->decls
->list
[i
])) {
1060 C
->decls
= add_decl(C
->decls
, D
->decls
->list
[i
]);
1065 for (i
= 0; i
< D
->impls
->count
; ++i
) {
1066 if (validate_impl(PSI_DATA(C
), D
->impls
->list
[i
])) {
1067 C
->impls
= add_impl(C
->impls
, D
->impls
->list
[i
]);
1075 int PSI_ContextValidateData(PSI_Data
*dest
, PSI_Data
*source
)
1080 if (source
->defs
) for (i
= 0; i
< source
->defs
->count
; ++i
) {
1081 decl_arg
*def
= source
->defs
->list
[i
];
1083 if (validate_decl_typedef(source
, def
)) {
1085 dest
->defs
= add_decl_typedef(dest
->defs
, def
);
1092 if (source
->consts
) for (i
= 0; i
< source
->consts
->count
; ++i
) {
1093 constant
*constant
= source
->consts
->list
[i
];
1095 if (validate_constant(source
, constant
)) {
1097 dest
->consts
= add_constant(dest
->consts
, constant
);
1104 if (source
->structs
) for (i
= 0; i
< source
->structs
->count
; ++i
) {
1105 decl_struct
*dstruct
= source
->structs
->list
[i
];
1107 if (validate_decl_struct(source
, dstruct
)) {
1109 dest
->structs
= add_decl_struct(dest
->structs
, dstruct
);
1116 if (source
->enums
) for (i
= 0; i
< source
->enums
->count
; ++i
) {
1117 decl_enum
*denum
= source
->enums
->list
[i
];
1119 if (validate_decl_enum(source
, denum
)) {
1121 dest
->enums
= add_decl_enum(dest
->enums
, denum
);
1128 if (source
->decls
) for (i
= 0; i
< source
->decls
->count
; ++i
) {
1129 decl
*decl
= source
->decls
->list
[i
];
1131 if (validate_decl(source
, NULL
, decl
)) {
1133 dest
->decls
= add_decl(dest
->decls
, decl
);
1140 if (source
->impls
) for (i
= 0; i
< source
->impls
->count
; ++i
) {
1141 impl
*impl
= source
->impls
->list
[i
];
1143 if (validate_impl(source
, impl
)) {
1145 dest
->impls
= add_impl(dest
->impls
, impl
);