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 for (i
= 0; i
< defs
->count
; ++i
) {
52 decl_typedef
*def
= defs
->list
[i
];
54 if (def
->type
->type
!= type
->type
&& !strcmp(def
->alias
, 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 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 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 (!data
->defs
|| !locate_decl_type_alias(data
->defs
, type
)) {
110 return validate_decl_type(data
, type
->real
);
114 if (!data
->structs
|| !locate_decl_type_struct(data
->structs
, type
)) {
119 if (!data
->enums
|| !locate_decl_type_enum(data
->enums
, type
)) {
125 static inline int validate_decl_typedef(PSI_Data
*data
, decl_typedef
*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 ":"",def
->alias
);
132 /* FIXME: check def->alias */
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
,
226 if (darg
->var
->pointer_level
&& (!darg
->var
->array_size
|| darg
->var
->pointer_level
== 1)) {
229 t
= real_decl_type(darg
->type
)->type
;
233 decl_arg
*last
= s
->args
->args
[i
-1];
234 darg
->layout
= init_decl_struct_layout(
235 psi_t_align(t
, last
->layout
->pos
+ last
->layout
->len
),
236 psi_t_size(t
) * darg
->var
->array_size
);
238 darg
->layout
= init_decl_struct_layout(0, psi_t_size(t
));
241 if (s
->size
< darg
->layout
->pos
+ darg
->layout
->len
) {
242 s
->size
= darg
->layout
->pos
+ darg
->layout
->len
;
246 psi_sort_struct_args(s
);
251 static const char * const abi_ccs
[] = {
253 "extern", /* > - all the same */
259 static inline int validate_decl_abi(PSI_Data
*data
, decl_abi
*abi
) {
262 for (i
= 0; i
< sizeof(abi_ccs
)/sizeof(char*); ++i
) {
263 if (strcasecmp(abi
->convention
, abi_ccs
[i
])) {
269 static inline int validate_decl_func(PSI_Data
*data
, void *dl
, decl
*decl
, decl_arg
*func
)
271 struct psi_func_redir
*redir
;
273 if (!strcmp(func
->var
->name
, "dlsym")) {
274 data
->error(func
->token
, PSI_WARNING
, "Cannot dlsym dlsym (sic!)");
278 if (!validate_decl_arg(data
, func
)) {
281 for (redir
= &psi_func_redirs
[0]; redir
->name
; ++redir
) {
282 if (!strcmp(func
->var
->name
, redir
->name
)) {
283 decl
->call
.sym
= redir
->func
;
286 if (!decl
->call
.sym
) {
288 # define RTLD_NEXT ((void *) -1l)
290 decl
->call
.sym
= dlsym(dl
?: RTLD_NEXT
, func
->var
->name
);
291 if (!decl
->call
.sym
) {
292 data
->error(func
->token
, PSI_WARNING
,
293 "Failed to locate symbol '%s': %s",
294 func
->var
->name
, dlerror());
300 static inline int validate_decl(PSI_Data
*data
, void *dl
, decl
*decl
) {
301 if (!validate_decl_abi(data
, decl
->abi
)) {
302 data
->error(decl
->abi
->token
, PSI_WARNING
,
303 "Invalid calling convention: '%s'", decl
->abi
->token
->text
);
306 if (!validate_decl_func(data
, dl
, decl
, decl
->func
)) {
312 for (i
= 0; i
< decl
->args
->count
; ++i
) {
313 if (!validate_decl_arg(data
, decl
->args
->args
[i
])) {
320 static inline decl_arg
*locate_decl_var_arg(decl_var
*var
, decl_args
*args
, decl_arg
*func
) {
323 if (args
) for (i
= 0; i
< args
->count
; ++i
) {
324 decl_arg
*arg
= args
->args
[i
];
326 if (!strcmp(var
->name
, arg
->var
->name
)) {
327 ZEND_ASSERT(!var
->arg
|| var
->arg
== arg
);
328 return var
->arg
= arg
;
331 if (func
&& !strcmp(var
->name
, func
->var
->name
)) {
332 return var
->arg
= func
;
337 static inline decl_arg
*locate_struct_member(decl_struct
*s
, decl_var
*var
) {
339 return locate_decl_var_arg(var
, s
->args
, NULL
);
344 static inline constant
*locate_num_exp_constant(num_exp
*exp
, constants
*consts
) {
347 for (i
= 0; i
< consts
->count
; ++i
) {
348 constant
*cnst
= consts
->list
[i
];
350 if (!strcmp(cnst
->name
, exp
->u
.numb
)) {
352 return exp
->u
.cnst
= cnst
;
358 static inline decl_enum_item
*locate_num_exp_enum_item_ex(num_exp
*exp
, decl_enum
*e
) {
361 if (e
) for (k
= 0; k
< e
->items
->count
; ++k
) {
362 decl_enum_item
*i
= e
->items
->list
[k
];
364 if (!strcmp(i
->name
, exp
->u
.dvar
->name
)) {
365 free_decl_var(exp
->u
.dvar
);
373 static inline decl_enum_item
*locate_num_exp_enum_item(num_exp
*exp
, decl_enums
*enums
) {
376 if (enums
) for (j
= 0; j
< enums
->count
; ++j
) {
377 decl_enum
*e
= enums
->list
[j
];
378 decl_enum_item
*i
= locate_num_exp_enum_item_ex(exp
, e
);
386 static inline int validate_num_exp(PSI_Data
*data
, num_exp
*exp
, decl_args
*dargs
, decl_arg
*func
, decl_enum
*enm
) {
388 switch (exp
->operator) {
390 exp
->calculator
= psi_calc_add
;
393 exp
->calculator
= psi_calc_sub
;
396 exp
->calculator
= psi_calc_mul
;
399 exp
->calculator
= psi_calc_div
;
401 EMPTY_SWITCH_DEFAULT_CASE();
403 if (!validate_num_exp(data
, exp
->operand
, dargs
, func
, enm
)) {
409 if (!locate_decl_var_arg(exp
->u
.dvar
, dargs
, func
)) {
410 if (!locate_num_exp_enum_item(exp
, data
->enums
) && !locate_num_exp_enum_item_ex(exp
, enm
)) {
411 data
->error(exp
->token
, PSI_WARNING
, "Unknown variable '%s' in numeric expression",
418 if (!locate_num_exp_constant(exp
, data
->consts
)) {
419 data
->error(exp
->token
, PSI_WARNING
, "Unknown constant '%s' in numeric expression",
432 static inline int validate_decl_enum(PSI_Data
*data
, decl_enum
*e
) {
435 if (!e
->items
|| !e
->items
->count
) {
436 data
->error(e
->token
, PSI_WARNING
, "Empty enum '%s'", e
->name
);
440 for (j
= 0; j
< e
->items
->count
; ++j
) {
441 decl_enum_item
*i
= e
->items
->list
[j
];
445 i
->inc
.t
= PSI_T_NUMBER
;
447 i
->inc
.operator = PSI_T_PLUS
;
448 i
->inc
.operand
= i
->prev
->num
?: &i
->prev
->inc
;
451 i
->inc
.t
= PSI_T_NUMBER
;
456 if (!validate_num_exp(data
, i
->num
, NULL
, NULL
, e
)) {
464 static inline int validate_set_value_handler(set_value
*set
) {
465 switch (set
->func
->type
) {
467 set
->func
->handler
= psi_to_bool
;
470 set
->func
->handler
= psi_to_int
;
473 set
->func
->handler
= psi_to_double
;
475 case PSI_T_TO_STRING
:
476 set
->func
->handler
= psi_to_string
;
479 set
->func
->handler
= psi_to_array
;
481 case PSI_T_TO_OBJECT
:
482 set
->func
->handler
= psi_to_object
;
485 set
->func
->handler
= psi_to_void
;
488 if (set
->outer
.set
&& set
->outer
.set
->func
->type
== PSI_T_TO_ARRAY
) {
489 set
->func
->handler
= psi_to_recursive
;
490 set
->inner
= set
->outer
.set
->inner
;
491 set
->count
= set
->outer
.set
->count
;
500 static inline void decl_var_arg_v(decl_args
*args
, va_list argp
) {
504 memset(args
, 0, sizeof(*args
));
506 while ((argc
= va_arg(argp
, int))) {
507 argv
= va_arg(argp
, decl_arg
**);
509 add_decl_arg(args
, *argv
++);
513 static inline int validate_set_value_ex(PSI_Data
*data
, set_value
*set
, decl_arg
*ref
, decl_args
*ref_list
) {
516 decl_var
*set_var
= set
->vars
->vars
[0];
518 if (!validate_set_value_handler(set
)) {
519 data
->error(set
->func
->token
, PSI_WARNING
, "Invalid cast '%s' in `set` statement", set
->func
->name
);
523 for (i
= 0; i
< set
->vars
->count
; ++i
) {
524 decl_var
*svar
= set
->vars
->vars
[i
];
525 if (!svar
->arg
&& !locate_decl_var_arg(svar
, ref_list
, NULL
)) {
526 data
->error(svar
->token
, PSI_WARNING
, "Unknown variable '%s' in `set` statement", svar
->name
);
534 ref_type
= real_decl_type(ref
->type
);
537 int is_to_array
= (set
->func
->type
== PSI_T_TO_ARRAY
);
538 int is_pointer_to_struct
= (ref_type
->type
== PSI_T_STRUCT
&& ref
->var
->pointer_level
);
540 if (!is_to_array
&& !is_pointer_to_struct
) {
541 data
->error(set
->func
->token
, E_WARNING
, "Inner `set` statement casts only work with "
542 "to_array() casts on structs or pointers: %s(%s...", set
->func
->name
, set
->vars
->vars
[0]->name
);
547 if (!validate_num_exp(data
, set
->num
, ref_list
, ref
, NULL
)) {
552 if (ref_type
->type
== PSI_T_STRUCT
) {
553 /* to_array(struct, to_...) */
554 if (!set
->outer
.set
|| set
->outer
.set
->inner
!= set
->inner
) {
555 for (i
= 0; i
< set
->count
; ++i
) {
556 decl_var
*sub_var
= set
->inner
[i
]->vars
->vars
[0];
557 decl_arg
*sub_ref
= locate_struct_member(ref_type
->strct
, sub_var
);
560 if (!validate_set_value_ex(data
, set
->inner
[i
], sub_ref
, ref_type
->strct
->args
)) {
566 } else if (set
->count
== 1) {
567 /* to_array(ptr, to_string(*ptr)) */
568 decl_var
*sub_var
= set
->inner
[0]->vars
->vars
[0];
569 decl_arg
*sub_ref
= locate_decl_var_arg(sub_var
, ref_list
, ref
);
572 if (strcmp(sub_var
->name
, set_var
->name
)) {
573 data
->error(sub_var
->token
, E_WARNING
, "Inner `set` statement casts on pointers must reference the same variable");
576 if (!validate_set_value_ex(data
, set
->inner
[0], sub_ref
, ref_list
)) {
580 } else if (set
->count
> 1) {
581 data
->error(set
->func
->token
, E_WARNING
, "Inner `set` statement casts on pointers may only occur once");
587 static inline int validate_set_value(PSI_Data
*data
, set_value
*set
, ...) {
589 decl_args args
= {0};
593 decl_var_arg_v(&args
, argp
);
596 check
= validate_set_value_ex(data
, set
, NULL
, &args
);
602 static inline decl
*locate_impl_decl(decls
*decls
, return_stmt
*ret
) {
606 for (i
= 0; i
< decls
->count
; ++i
) {
607 if (!strcmp(decls
->list
[i
]->func
->var
->name
, ret
->set
->vars
->vars
[0]->name
)) {
608 ret
->decl
= decls
->list
[i
]->func
;
609 return decls
->list
[i
];
616 static inline int validate_impl_ret_stmt(PSI_Data
*data
, impl
*impl
) {
619 /* we must have exactly one ret stmt delcaring the native func to call */
620 /* and which type cast to apply */
621 if (impl
->stmts
->ret
.count
!= 1) {
622 if (impl
->stmts
->ret
.count
> 1) {
623 data
->error(impl
->stmts
->ret
.list
[1]->token
, PSI_WARNING
,
624 "Too many `return` statements for implmentation %s;"
625 " found %zu, exactly one is needed",
626 impl
->func
->name
, impl
->stmts
->ret
.count
);
628 data
->error(impl
->func
->token
, PSI_WARNING
,
629 "Missing `return` statement for implementation %s",
635 ret
= impl
->stmts
->ret
.list
[0];
637 if (!(impl
->decl
= locate_impl_decl(data
->decls
, ret
))) {
638 data
->error(ret
->token
, PSI_WARNING
,
639 "Missing declaration '%s' for `return` statment for implementation %s",
640 ret
->set
->vars
->vars
[0]->name
, impl
->func
->name
);
644 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)) {
648 impl
->decl
->impl
= impl
;
653 static inline int validate_impl_let_stmts(PSI_Data
*data
, impl
*impl
) {
655 /* we can have multiple let stmts */
657 /* check that we have a decl arg for every let stmt */
658 for (i
= 0; i
< impl
->stmts
->let
.count
; ++i
) {
659 let_stmt
*let
= impl
->stmts
->let
.list
[i
];
663 if (let
->val
&& let
->val
->kind
== PSI_LET_TMP
) {
664 let_var
= let
->val
->data
.var
;
669 if (!locate_decl_var_arg(let_var
, impl
->decl
->args
, impl
->decl
->func
)) {
670 data
->error(let_var
->token
, PSI_WARNING
, "Unknown variable '%s' in `let` statement"
671 " of implementation '%s'", let_var
->name
, impl
->func
->name
);
675 switch (let
->val
->kind
) {
679 /* e.g. let bar = &strval($bar); // decl_arg(char **bar) */
680 /* e.g. let foo = *bar; */
681 let
->var
->pointer_level
= let
->val
->data
.var
->pointer_level
;
682 let
->var
->arg
= init_decl_arg(
684 real_decl_type(let
->val
->data
.var
->arg
->type
)->type
,
685 real_decl_type(let
->val
->data
.var
->arg
->type
)->name
),
688 let
->var
->pointer_level
,
689 let
->var
->array_size
));
692 if (!validate_num_exp(data
, let
->val
->data
.num
, impl
->decl
->args
, impl
->decl
->func
, NULL
)) {
697 if (!validate_num_exp(data
, let
->val
->data
.alloc
->nmemb
, impl
->decl
->args
, impl
->decl
->func
, NULL
)) {
700 if (!validate_num_exp(data
, let
->val
->data
.alloc
->size
, impl
->decl
->args
, impl
->decl
->func
, NULL
)) {
705 if (impl
->func
->args
) {
706 for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
707 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
709 if (!strcmp(let
->val
->data
.func
->var
->name
, iarg
->var
->name
)) {
710 let
->val
->data
.func
->arg
= iarg
;
717 data
->error(let
->var
->token
, PSI_WARNING
, "Unknown value '$%s' of `let` statement"
718 " for variable '%s' of implementation '%s'",
719 let
->val
->data
.func
->var
->name
, let
->var
->name
, impl
->func
->name
);
726 /* check that we have a let stmt for every decl arg */
727 if (impl
->decl
->args
) for (i
= 0; i
< impl
->decl
->args
->count
; ++i
) {
728 decl_arg
*darg
= impl
->decl
->args
->args
[i
];
731 for (j
= 0; j
< impl
->stmts
->let
.count
; ++j
) {
732 let_stmt
*let
= impl
->stmts
->let
.list
[j
];
734 if (!strcmp(let
->var
->name
, darg
->var
->name
)) {
741 data
->error(impl
->func
->token
, PSI_WARNING
,
742 "Missing `let` statement for arg '%s %.*s%s'"
743 " of declaration '%s' for implementation '%s'",
744 darg
->type
->name
, (int) darg
->var
->pointer_level
, "*****",
745 darg
->var
->name
, impl
->decl
->func
->var
->name
, impl
->func
->name
);
752 static inline int validate_impl_set_stmts(PSI_Data
*data
, impl
*impl
) {
754 /* we can have any count of set stmts; processing out vars */
755 /* check that set stmts reference known variables */
756 for (i
= 0; i
< impl
->stmts
->set
.count
; ++i
) {
757 set_stmt
*set
= impl
->stmts
->set
.list
[i
];
760 if (impl
->func
->args
) for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
761 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
763 if (!strcmp(set
->var
->name
, iarg
->var
->name
)) {
770 data
->error(set
->var
->token
, PSI_WARNING
, "Unknown variable '$%s' of `set` statement"
771 " of implementation '%s'",
772 set
->var
->name
, impl
->func
->name
);
776 for (j
= 0; j
< set
->val
->vars
->count
; ++j
) {
777 decl_var
*set_var
= set
->val
->vars
->vars
[j
];
780 if (impl
->decl
->args
) {
781 for (k
= 0; k
< impl
->decl
->args
->count
; ++k
) {
782 decl_arg
*set_arg
= impl
->decl
->args
->args
[k
];
784 if (!strcmp(set_var
->name
, set_arg
->var
->name
)) {
786 set_var
->arg
= set_arg
;
787 if (!validate_set_value(data
, set
->val
, 1, &set_arg
, 1, &impl
->decl
->func
, impl
->decl
->args
->count
, impl
->decl
->args
->args
, 0)) {
795 for (k
= 0; k
< impl
->stmts
->let
.count
; ++k
) {
796 let_stmt
*let
= impl
->stmts
->let
.list
[k
];
798 /* check temp vars */
799 if (let
->val
&& let
->val
->kind
== PSI_LET_TMP
) {
800 if (!strcmp(set_var
->name
, let
->var
->name
)) {
802 set_var
->arg
= let
->var
->arg
;
803 if (!validate_set_value(data
, set
->val
, 1, &set_var
->arg
, 1, &impl
->decl
->func
, impl
->decl
->args
->count
, impl
->decl
->args
->args
, 0)) {
813 data
->error(set_var
->token
, PSI_WARNING
, "Unknown value '%s' of `set` statement"
814 " for variable '$%s' of implementation '%s'",
815 set_var
->name
, set
->arg
->var
->name
, impl
->func
->name
);
822 static inline decl
*locate_free_decl(decls
*decls
, free_call
*f
) {
826 for (i
= 0; i
< decls
->count
; ++i
) {
827 if (!strcmp(decls
->list
[i
]->func
->var
->name
, f
->func
)) {
828 f
->decl
= decls
->list
[i
];
829 return decls
->list
[i
];
836 static inline int validate_impl_free_stmts(PSI_Data
*data
, impl
*impl
) {
838 /* we can have any count of free stmts; freeing any out vars */
839 for (i
= 0; i
< impl
->stmts
->fre
.count
; ++i
) {
840 free_stmt
*fre
= impl
->stmts
->fre
.list
[i
];
842 for (j
= 0; j
< fre
->calls
->count
; ++j
) {
843 free_call
*free_call
= fre
->calls
->list
[j
];
845 /* first find the decl of the free func */
846 if (!locate_free_decl(data
->decls
, free_call
)) {
847 data
->error(free_call
->token
, PSI_WARNING
,
848 "Missing declaration '%s' in `free` statement"
849 " of implementation '%s'",
850 free_call
->func
, impl
->func
->name
);
856 /* now check for known vars */
857 for (l
= 0; l
< free_call
->vars
->count
; ++l
) {
859 decl_var
*free_var
= free_call
->vars
->vars
[l
];
861 if (!strcmp(free_var
->name
, impl
->decl
->func
->var
->name
)) {
863 free_var
->arg
= impl
->decl
->func
;
864 } else if (impl
->decl
->args
) {
865 for (k
= 0; k
< impl
->decl
->args
->count
; ++k
) {
866 decl_arg
*free_arg
= impl
->decl
->args
->args
[k
];
868 if (!strcmp(free_var
->name
, free_arg
->var
->name
)) {
870 free_var
->arg
= free_arg
;
877 data
->error(free_var
->token
, PSI_WARNING
,
878 "Unknown variable '%s' of `free` statement"
879 " of implementation '%s'",
880 free_var
->name
, impl
->func
->name
);
888 static inline int validate_impl_stmts(PSI_Data
*data
, impl
*impl
) {
890 data
->error(impl
->func
->token
, PSI_WARNING
,
891 "Missing body for implementation %s!",
896 if (!validate_impl_ret_stmt(data
, impl
)) {
900 if (!validate_impl_let_stmts(data
, impl
)) {
903 if (!validate_impl_set_stmts(data
, impl
)) {
906 if (!validate_impl_free_stmts(data
, impl
)) {
913 static inline int validate_impl_args(PSI_Data
*data
, impl
*impl
) {
917 for (i
= 0; i
< impl
->func
->args
->count
; ++i
) {
918 impl_arg
*iarg
= impl
->func
->args
->args
[i
];
923 data
->error(impl
->func
->token
, PSI_WARNING
,
924 "Non-optional argument %zu '$%s' of implementation '%s'"
925 " follows optional argument",
926 i
+1, iarg
->var
->name
, impl
->func
->name
);
933 static inline int validate_impl(PSI_Data
*data
, impl
*impl
) {
934 if (!validate_impl_args(data
, impl
)) {
937 return validate_impl_stmts(data
, impl
);
941 int PSI_ContextValidate(PSI_Context
*C
, PSI_Parser
*P
)
944 void *dlopened
= NULL
;
945 size_t count
= C
->count
++;
947 C
->data
= realloc(C
->data
, C
->count
* sizeof(*C
->data
));
948 D
= PSI_DataExchange(&C
->data
[count
], PSI_DATA(P
));
953 for (i
= 0; i
< D
->defs
->count
; ++i
) {
954 if (validate_decl_typedef(PSI_DATA(C
), D
->defs
->list
[i
])) {
955 C
->defs
= add_decl_typedef(C
->defs
, D
->defs
->list
[i
]);
962 for (i
= 0; i
< D
->structs
->count
; ++i
) {
963 if (validate_decl_struct(PSI_DATA(C
), D
->structs
->list
[i
])) {
964 C
->structs
= add_decl_struct(C
->structs
, D
->structs
->list
[i
]);
971 for (i
= 0; i
< D
->enums
->count
; ++i
) {
972 if (validate_decl_enum(PSI_DATA(C
), D
->enums
->list
[i
])) {
973 C
->enums
= add_decl_enum(C
->enums
, D
->enums
->list
[i
]);
980 for (i
= 0; i
< D
->consts
->count
; ++i
) {
981 if (validate_constant(PSI_DATA(C
), D
->consts
->list
[i
])) {
982 C
->consts
= add_constant(C
->consts
, D
->consts
->list
[i
]);
987 if (!validate_lib(D
, &dlopened
)) {
991 add_decl_lib(&C
->psi
.libs
, dlopened
);
996 for (i
= 0; i
< D
->decls
->count
; ++i
) {
997 if (validate_decl(PSI_DATA(C
), dlopened
, D
->decls
->list
[i
])) {
998 C
->decls
= add_decl(C
->decls
, D
->decls
->list
[i
]);
1005 for (i
= 0; i
< D
->impls
->count
; ++i
) {
1006 if (validate_impl(PSI_DATA(C
), D
->impls
->list
[i
])) {
1007 C
->impls
= add_impl(C
->impls
, D
->impls
->list
[i
]);
1015 int PSI_ContextValidateData(PSI_Data
*dest
, PSI_Data
*source
)
1020 if (source
->defs
) for (i
= 0; i
< source
->defs
->count
; ++i
) {
1021 decl_typedef
*def
= source
->defs
->list
[i
];
1023 if (validate_decl_typedef(source
, def
)) {
1025 dest
->defs
= add_decl_typedef(dest
->defs
, def
);
1032 if (source
->consts
) for (i
= 0; i
< source
->consts
->count
; ++i
) {
1033 constant
*constant
= source
->consts
->list
[i
];
1035 if (validate_constant(source
, constant
)) {
1037 dest
->consts
= add_constant(dest
->consts
, constant
);
1044 if (source
->structs
) for (i
= 0; i
< source
->structs
->count
; ++i
) {
1045 decl_struct
*dstruct
= source
->structs
->list
[i
];
1047 if (validate_decl_struct(source
, dstruct
)) {
1049 dest
->structs
= add_decl_struct(dest
->structs
, dstruct
);
1056 if (source
->enums
) for (i
= 0; i
< source
->enums
->count
; ++i
) {
1057 decl_enum
*denum
= source
->enums
->list
[i
];
1059 if (validate_decl_enum(source
, denum
)) {
1061 dest
->enums
= add_decl_enum(dest
->enums
, denum
);
1068 if (source
->decls
) for (i
= 0; i
< source
->decls
->count
; ++i
) {
1069 decl
*decl
= source
->decls
->list
[i
];
1071 if (validate_decl(source
, NULL
, decl
)) {
1073 dest
->decls
= add_decl(dest
->decls
, decl
);
1080 if (source
->impls
) for (i
= 0; i
< source
->impls
->count
; ++i
) {
1081 impl
*impl
= source
->impls
->list
[i
];
1083 if (validate_impl(source
, impl
)) {
1085 dest
->impls
= add_impl(dest
->impls
, impl
);