6a89d6ec9bc2fbadedb8b9f2f957b07b87e93908
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
,
227 if (darg
->var
->pointer_level
&& (!darg
->var
->array_size
|| darg
->var
->pointer_level
== 1)) {
230 t
= real_decl_type(darg
->type
)->type
;
233 size
= psi_t_size(t
) * (darg
->var
->array_size
?: 1);
236 decl_arg
*last
= s
->args
->args
[i
-1];
238 align
= psi_t_align(t
, last
->layout
->pos
+ last
->layout
->len
);
243 darg
->layout
= init_decl_struct_layout(align
, size
);
245 if (s
->size
< darg
->layout
->pos
+ darg
->layout
->len
) {
246 s
->size
= darg
->layout
->pos
+ darg
->layout
->len
;
247 /* FIXME: align struct */
251 psi_sort_struct_args(s
);
256 static const char * const abi_ccs
[] = {
258 "extern", /* > - all the same */
264 static inline int validate_decl_abi(PSI_Data
*data
, decl_abi
*abi
) {
267 for (i
= 0; i
< sizeof(abi_ccs
)/sizeof(char*); ++i
) {
268 if (strcasecmp(abi
->convention
, abi_ccs
[i
])) {
274 static inline int validate_decl_func(PSI_Data
*data
, void *dl
, decl
*decl
, decl_arg
*func
)
276 struct psi_func_redir
*redir
;
278 if (!strcmp(func
->var
->name
, "dlsym")) {
279 data
->error(func
->token
, PSI_WARNING
, "Cannot dlsym dlsym (sic!)");
283 if (!validate_decl_arg(data
, func
)) {
286 for (redir
= &psi_func_redirs
[0]; redir
->name
; ++redir
) {
287 if (!strcmp(func
->var
->name
, redir
->name
)) {
288 decl
->call
.sym
= redir
->func
;
291 if (!decl
->call
.sym
) {
293 # define RTLD_NEXT ((void *) -1l)
295 decl
->call
.sym
= dlsym(dl
?: RTLD_NEXT
, func
->var
->name
);
296 if (!decl
->call
.sym
) {
297 data
->error(func
->token
, PSI_WARNING
,
298 "Failed to locate symbol '%s': %s",
299 func
->var
->name
, dlerror());
305 static inline int validate_decl(PSI_Data
*data
, void *dl
, decl
*decl
) {
306 if (!validate_decl_abi(data
, decl
->abi
)) {
307 data
->error(decl
->abi
->token
, PSI_WARNING
,
308 "Invalid calling convention: '%s'", decl
->abi
->token
->text
);
311 if (!validate_decl_func(data
, dl
, decl
, decl
->func
)) {
317 for (i
= 0; i
< decl
->args
->count
; ++i
) {
318 if (!validate_decl_arg(data
, decl
->args
->args
[i
])) {
325 static inline decl_arg
*locate_decl_var_arg(decl_var
*var
, decl_args
*args
, decl_arg
*func
) {
328 if (args
) for (i
= 0; i
< args
->count
; ++i
) {
329 decl_arg
*arg
= args
->args
[i
];
331 if (!strcmp(var
->name
, arg
->var
->name
)) {
332 ZEND_ASSERT(!var
->arg
|| var
->arg
== arg
);
333 return var
->arg
= arg
;
336 if (func
&& !strcmp(var
->name
, func
->var
->name
)) {
337 return var
->arg
= func
;
342 static inline decl_arg
*locate_struct_member(decl_struct
*s
, decl_var
*var
) {
344 return locate_decl_var_arg(var
, s
->args
, NULL
);
349 static inline constant
*locate_num_exp_constant(num_exp
*exp
, constants
*consts
) {
352 for (i
= 0; i
< consts
->count
; ++i
) {
353 constant
*cnst
= consts
->list
[i
];
355 if (!strcmp(cnst
->name
, exp
->u
.numb
)) {
357 return exp
->u
.cnst
= cnst
;
363 static inline decl_enum_item
*locate_num_exp_enum_item_ex(num_exp
*exp
, decl_enum
*e
) {
366 if (e
) for (k
= 0; k
< e
->items
->count
; ++k
) {
367 decl_enum_item
*i
= e
->items
->list
[k
];
369 if (!strcmp(i
->name
, exp
->u
.dvar
->name
)) {
370 free_decl_var(exp
->u
.dvar
);
378 static inline decl_enum_item
*locate_num_exp_enum_item(num_exp
*exp
, decl_enums
*enums
) {
381 if (enums
) for (j
= 0; j
< enums
->count
; ++j
) {
382 decl_enum
*e
= enums
->list
[j
];
383 decl_enum_item
*i
= locate_num_exp_enum_item_ex(exp
, e
);
391 static inline int validate_num_exp(PSI_Data
*data
, num_exp
*exp
, decl_args
*dargs
, decl_arg
*func
, decl_enum
*enm
) {
393 switch (exp
->operator) {
395 exp
->calculator
= psi_calc_add
;
398 exp
->calculator
= psi_calc_sub
;
401 exp
->calculator
= psi_calc_mul
;
404 exp
->calculator
= psi_calc_div
;
406 EMPTY_SWITCH_DEFAULT_CASE();
408 if (!validate_num_exp(data
, exp
->operand
, dargs
, func
, enm
)) {
414 if (!locate_decl_var_arg(exp
->u
.dvar
, dargs
, func
)) {
415 if (!locate_num_exp_enum_item(exp
, data
->enums
) && !locate_num_exp_enum_item_ex(exp
, enm
)) {
416 data
->error(exp
->token
, PSI_WARNING
, "Unknown variable '%s' in numeric expression",
423 if (!locate_num_exp_constant(exp
, data
->consts
)) {
424 data
->error(exp
->token
, PSI_WARNING
, "Unknown constant '%s' in numeric expression",
437 static inline int validate_decl_enum(PSI_Data
*data
, decl_enum
*e
) {
440 if (!e
->items
|| !e
->items
->count
) {
441 data
->error(e
->token
, PSI_WARNING
, "Empty enum '%s'", e
->name
);
445 for (j
= 0; j
< e
->items
->count
; ++j
) {
446 decl_enum_item
*i
= e
->items
->list
[j
];
450 i
->inc
.t
= PSI_T_NUMBER
;
452 i
->inc
.operator = PSI_T_PLUS
;
453 i
->inc
.operand
= i
->prev
->num
?: &i
->prev
->inc
;
456 i
->inc
.t
= PSI_T_NUMBER
;
461 if (!validate_num_exp(data
, i
->num
, NULL
, NULL
, e
)) {
469 static inline int validate_set_value_handler(set_value
*set
) {
470 switch (set
->func
->type
) {
472 set
->func
->handler
= psi_to_bool
;
475 set
->func
->handler
= psi_to_int
;
478 set
->func
->handler
= psi_to_double
;
480 case PSI_T_TO_STRING
:
481 set
->func
->handler
= psi_to_string
;
484 set
->func
->handler
= psi_to_array
;
486 case PSI_T_TO_OBJECT
:
487 set
->func
->handler
= psi_to_object
;
490 set
->func
->handler
= psi_to_void
;
493 if (set
->outer
.set
&& set
->outer
.set
->func
->type
== PSI_T_TO_ARRAY
) {
494 set
->func
->handler
= psi_to_recursive
;
495 set
->inner
= set
->outer
.set
->inner
;
496 set
->count
= set
->outer
.set
->count
;
505 static inline void decl_var_arg_v(decl_args
*args
, va_list argp
) {
509 memset(args
, 0, sizeof(*args
));
511 while ((argc
= va_arg(argp
, int))) {
512 argv
= va_arg(argp
, decl_arg
**);
514 add_decl_arg(args
, *argv
++);
518 static inline int validate_set_value_ex(PSI_Data
*data
, set_value
*set
, decl_arg
*ref
, decl_args
*ref_list
) {
521 decl_var
*set_var
= set
->vars
->vars
[0];
523 if (!validate_set_value_handler(set
)) {
524 data
->error(set
->func
->token
, PSI_WARNING
, "Invalid cast '%s' in `set` statement", set
->func
->name
);
528 for (i
= 0; i
< set
->vars
->count
; ++i
) {
529 decl_var
*svar
= set
->vars
->vars
[i
];
530 if (!svar
->arg
&& !locate_decl_var_arg(svar
, ref_list
, NULL
)) {
531 data
->error(svar
->token
, PSI_WARNING
, "Unknown variable '%s' in `set` statement", svar
->name
);
539 ref_type
= real_decl_type(ref
->type
);
542 int is_to_array
= (set
->func
->type
== PSI_T_TO_ARRAY
);
543 int is_pointer_to_struct
= (ref_type
->type
== PSI_T_STRUCT
&& ref
->var
->pointer_level
);
545 if (!is_to_array
&& !is_pointer_to_struct
) {
546 data
->error(set
->func
->token
, E_WARNING
, "Inner `set` statement casts only work with "
547 "to_array() casts on structs or pointers: %s(%s...", set
->func
->name
, set
->vars
->vars
[0]->name
);
552 if (!validate_num_exp(data
, set
->num
, ref_list
, ref
, NULL
)) {
557 if (ref_type
->type
== PSI_T_STRUCT
) {
558 /* to_array(struct, to_...) */
559 if (!set
->outer
.set
|| set
->outer
.set
->inner
!= set
->inner
) {
560 for (i
= 0; i
< set
->count
; ++i
) {
561 decl_var
*sub_var
= set
->inner
[i
]->vars
->vars
[0];
562 decl_arg
*sub_ref
= locate_struct_member(ref_type
->strct
, sub_var
);
565 if (!validate_set_value_ex(data
, set
->inner
[i
], sub_ref
, ref_type
->strct
->args
)) {
571 } else if (set
->count
== 1) {
572 /* to_array(ptr, to_string(*ptr)) */
573 decl_var
*sub_var
= set
->inner
[0]->vars
->vars
[0];
574 decl_arg
*sub_ref
= locate_decl_var_arg(sub_var
, ref_list
, ref
);
577 if (strcmp(sub_var
->name
, set_var
->name
)) {
578 data
->error(sub_var
->token
, E_WARNING
, "Inner `set` statement casts on pointers must reference the same variable");
581 if (!validate_set_value_ex(data
, set
->inner
[0], sub_ref
, ref_list
)) {
585 } else if (set
->count
> 1) {
586 data
->error(set
->func
->token
, E_WARNING
, "Inner `set` statement casts on pointers may only occur once");
592 static inline int validate_set_value(PSI_Data
*data
, set_value
*set
, ...) {
594 decl_args args
= {0};
598 decl_var_arg_v(&args
, argp
);
601 check
= validate_set_value_ex(data
, set
, NULL
, &args
);
607 static inline decl
*locate_impl_decl(decls
*decls
, return_stmt
*ret
) {
611 for (i
= 0; i
< decls
->count
; ++i
) {
612 if (!strcmp(decls
->list
[i
]->func
->var
->name
, ret
->set
->vars
->vars
[0]->name
)) {
613 ret
->decl
= decls
->list
[i
]->func
;
614 return decls
->list
[i
];
621 static inline int validate_impl_ret_stmt(PSI_Data
*data
, impl
*impl
) {
624 /* we must have exactly one ret stmt delcaring the native func to call */
625 /* and which type cast to apply */
626 if (impl
->stmts
->ret
.count
!= 1) {
627 if (impl
->stmts
->ret
.count
> 1) {
628 data
->error(impl
->stmts
->ret
.list
[1]->token
, PSI_WARNING
,
629 "Too many `return` statements for implmentation %s;"
630 " found %zu, exactly one is needed",
631 impl
->func
->name
, impl
->stmts
->ret
.count
);
633 data
->error(impl
->func
->token
, PSI_WARNING
,
634 "Missing `return` statement for implementation %s",
640 ret
= impl
->stmts
->ret
.list
[0];
642 if (!(impl
->decl
= locate_impl_decl(data
->decls
, ret
))) {
643 data
->error(ret
->token
, PSI_WARNING
,
644 "Missing declaration '%s' for `return` statment for implementation %s",
645 ret
->set
->vars
->vars
[0]->name
, impl
->func
->name
);
649 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)) {
653 impl
->decl
->impl
= impl
;
658 static inline int validate_impl_let_stmts(PSI_Data
*data
, impl
*impl
) {
660 /* we can have multiple let stmts */
662 /* check that we have a decl arg for every let stmt */
663 for (i
= 0; i
< impl
->stmts
->let
.count
; ++i
) {
664 let_stmt
*let
= impl
->stmts
->let
.list
[i
];
668 if (let
->val
&& let
->val
->kind
== PSI_LET_TMP
) {
669 let_var
= let
->val
->data
.var
;
674 if (!locate_decl_var_arg(let_var
, impl
->decl
->args
, impl
->decl
->func
)) {
675 data
->error(let_var
->token
, PSI_WARNING
, "Unknown variable '%s' in `let` statement"
676 " of implementation '%s'", let_var
->name
, impl
->func
->name
);
680 switch (let
->val
->kind
) {
684 /* e.g. let bar = &strval($bar); // decl_arg(char **bar) */
685 /* e.g. let foo = *bar; */
686 let
->var
->pointer_level
= let
->val
->data
.var
->pointer_level
;
687 let
->var
->arg
= init_decl_arg(
689 real_decl_type(let
->val
->data
.var
->arg
->type
)->type
,
690 real_decl_type(let
->val
->data
.var
->arg
->type
)->name
),
693 let
->var
->pointer_level
,
694 let
->var
->array_size
));
697 if (!validate_num_exp(data
, let
->val
->data
.num
, impl
->decl
->args
, impl
->decl
->func
, NULL
)) {
702 if (!validate_num_exp(data
, let
->val
->data
.alloc
->nmemb
, impl
->decl
->args
, impl
->decl
->func
, NULL
)) {
705 if (!validate_num_exp(data
, let
->val
->data
.alloc
->size
, impl
->decl
->args
, impl
->decl
->func
, NULL
)) {
710 if (impl
->func
->args
) {
711 for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
712 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
714 if (!strcmp(let
->val
->data
.func
->var
->name
, iarg
->var
->name
)) {
715 let
->val
->data
.func
->arg
= iarg
;
722 data
->error(let
->var
->token
, PSI_WARNING
, "Unknown value '$%s' of `let` statement"
723 " for variable '%s' of implementation '%s'",
724 let
->val
->data
.func
->var
->name
, let
->var
->name
, impl
->func
->name
);
731 /* check that we have a let stmt for every decl arg */
732 if (impl
->decl
->args
) for (i
= 0; i
< impl
->decl
->args
->count
; ++i
) {
733 decl_arg
*darg
= impl
->decl
->args
->args
[i
];
736 for (j
= 0; j
< impl
->stmts
->let
.count
; ++j
) {
737 let_stmt
*let
= impl
->stmts
->let
.list
[j
];
739 if (!strcmp(let
->var
->name
, darg
->var
->name
)) {
746 data
->error(impl
->func
->token
, PSI_WARNING
,
747 "Missing `let` statement for arg '%s %.*s%s'"
748 " of declaration '%s' for implementation '%s'",
749 darg
->type
->name
, (int) darg
->var
->pointer_level
, "*****",
750 darg
->var
->name
, impl
->decl
->func
->var
->name
, impl
->func
->name
);
757 static inline int validate_impl_set_stmts(PSI_Data
*data
, impl
*impl
) {
759 /* we can have any count of set stmts; processing out vars */
760 /* check that set stmts reference known variables */
761 for (i
= 0; i
< impl
->stmts
->set
.count
; ++i
) {
762 set_stmt
*set
= impl
->stmts
->set
.list
[i
];
765 if (impl
->func
->args
) for (j
= 0; j
< impl
->func
->args
->count
; ++j
) {
766 impl_arg
*iarg
= impl
->func
->args
->args
[j
];
768 if (!strcmp(set
->var
->name
, iarg
->var
->name
)) {
775 data
->error(set
->var
->token
, PSI_WARNING
, "Unknown variable '$%s' of `set` statement"
776 " of implementation '%s'",
777 set
->var
->name
, impl
->func
->name
);
781 for (j
= 0; j
< set
->val
->vars
->count
; ++j
) {
782 decl_var
*set_var
= set
->val
->vars
->vars
[j
];
785 if (impl
->decl
->args
) {
786 for (k
= 0; k
< impl
->decl
->args
->count
; ++k
) {
787 decl_arg
*set_arg
= impl
->decl
->args
->args
[k
];
789 if (!strcmp(set_var
->name
, set_arg
->var
->name
)) {
791 set_var
->arg
= set_arg
;
792 if (!validate_set_value(data
, set
->val
, 1, &set_arg
, 1, &impl
->decl
->func
, impl
->decl
->args
->count
, impl
->decl
->args
->args
, 0)) {
800 for (k
= 0; k
< impl
->stmts
->let
.count
; ++k
) {
801 let_stmt
*let
= impl
->stmts
->let
.list
[k
];
803 /* check temp vars */
804 if (let
->val
&& let
->val
->kind
== PSI_LET_TMP
) {
805 if (!strcmp(set_var
->name
, let
->var
->name
)) {
807 set_var
->arg
= let
->var
->arg
;
808 if (!validate_set_value(data
, set
->val
, 1, &set_var
->arg
, 1, &impl
->decl
->func
, impl
->decl
->args
->count
, impl
->decl
->args
->args
, 0)) {
818 data
->error(set_var
->token
, PSI_WARNING
, "Unknown value '%s' of `set` statement"
819 " for variable '$%s' of implementation '%s'",
820 set_var
->name
, set
->arg
->var
->name
, impl
->func
->name
);
827 static inline decl
*locate_free_decl(decls
*decls
, free_call
*f
) {
831 for (i
= 0; i
< decls
->count
; ++i
) {
832 if (!strcmp(decls
->list
[i
]->func
->var
->name
, f
->func
)) {
833 f
->decl
= decls
->list
[i
];
834 return decls
->list
[i
];
841 static inline int validate_impl_free_stmts(PSI_Data
*data
, impl
*impl
) {
843 /* we can have any count of free stmts; freeing any out vars */
844 for (i
= 0; i
< impl
->stmts
->fre
.count
; ++i
) {
845 free_stmt
*fre
= impl
->stmts
->fre
.list
[i
];
847 for (j
= 0; j
< fre
->calls
->count
; ++j
) {
848 free_call
*free_call
= fre
->calls
->list
[j
];
850 /* first find the decl of the free func */
851 if (!locate_free_decl(data
->decls
, free_call
)) {
852 data
->error(free_call
->token
, PSI_WARNING
,
853 "Missing declaration '%s' in `free` statement"
854 " of implementation '%s'",
855 free_call
->func
, impl
->func
->name
);
861 /* now check for known vars */
862 for (l
= 0; l
< free_call
->vars
->count
; ++l
) {
864 decl_var
*free_var
= free_call
->vars
->vars
[l
];
866 if (!strcmp(free_var
->name
, impl
->decl
->func
->var
->name
)) {
868 free_var
->arg
= impl
->decl
->func
;
869 } else if (impl
->decl
->args
) {
870 for (k
= 0; k
< impl
->decl
->args
->count
; ++k
) {
871 decl_arg
*free_arg
= impl
->decl
->args
->args
[k
];
873 if (!strcmp(free_var
->name
, free_arg
->var
->name
)) {
875 free_var
->arg
= free_arg
;
882 data
->error(free_var
->token
, PSI_WARNING
,
883 "Unknown variable '%s' of `free` statement"
884 " of implementation '%s'",
885 free_var
->name
, impl
->func
->name
);
893 static inline int validate_impl_stmts(PSI_Data
*data
, impl
*impl
) {
895 data
->error(impl
->func
->token
, PSI_WARNING
,
896 "Missing body for implementation %s!",
901 if (!validate_impl_ret_stmt(data
, impl
)) {
905 if (!validate_impl_let_stmts(data
, impl
)) {
908 if (!validate_impl_set_stmts(data
, impl
)) {
911 if (!validate_impl_free_stmts(data
, impl
)) {
918 static inline int validate_impl_args(PSI_Data
*data
, impl
*impl
) {
922 for (i
= 0; i
< impl
->func
->args
->count
; ++i
) {
923 impl_arg
*iarg
= impl
->func
->args
->args
[i
];
928 data
->error(impl
->func
->token
, PSI_WARNING
,
929 "Non-optional argument %zu '$%s' of implementation '%s'"
930 " follows optional argument",
931 i
+1, iarg
->var
->name
, impl
->func
->name
);
938 static inline int validate_impl(PSI_Data
*data
, impl
*impl
) {
939 if (!validate_impl_args(data
, impl
)) {
942 return validate_impl_stmts(data
, impl
);
946 int PSI_ContextValidate(PSI_Context
*C
, PSI_Parser
*P
)
949 void *dlopened
= NULL
;
950 size_t count
= C
->count
++;
952 C
->data
= realloc(C
->data
, C
->count
* sizeof(*C
->data
));
953 D
= PSI_DataExchange(&C
->data
[count
], PSI_DATA(P
));
958 for (i
= 0; i
< D
->defs
->count
; ++i
) {
959 if (validate_decl_typedef(PSI_DATA(C
), D
->defs
->list
[i
])) {
960 C
->defs
= add_decl_typedef(C
->defs
, D
->defs
->list
[i
]);
967 for (i
= 0; i
< D
->structs
->count
; ++i
) {
968 if (validate_decl_struct(PSI_DATA(C
), D
->structs
->list
[i
])) {
969 C
->structs
= add_decl_struct(C
->structs
, D
->structs
->list
[i
]);
976 for (i
= 0; i
< D
->enums
->count
; ++i
) {
977 if (validate_decl_enum(PSI_DATA(C
), D
->enums
->list
[i
])) {
978 C
->enums
= add_decl_enum(C
->enums
, D
->enums
->list
[i
]);
985 for (i
= 0; i
< D
->consts
->count
; ++i
) {
986 if (validate_constant(PSI_DATA(C
), D
->consts
->list
[i
])) {
987 C
->consts
= add_constant(C
->consts
, D
->consts
->list
[i
]);
992 if (!validate_lib(D
, &dlopened
)) {
996 add_decl_lib(&C
->psi
.libs
, dlopened
);
1001 for (i
= 0; i
< D
->decls
->count
; ++i
) {
1002 if (validate_decl(PSI_DATA(C
), dlopened
, D
->decls
->list
[i
])) {
1003 C
->decls
= add_decl(C
->decls
, D
->decls
->list
[i
]);
1010 for (i
= 0; i
< D
->impls
->count
; ++i
) {
1011 if (validate_impl(PSI_DATA(C
), D
->impls
->list
[i
])) {
1012 C
->impls
= add_impl(C
->impls
, D
->impls
->list
[i
]);
1020 int PSI_ContextValidateData(PSI_Data
*dest
, PSI_Data
*source
)
1025 if (source
->defs
) for (i
= 0; i
< source
->defs
->count
; ++i
) {
1026 decl_typedef
*def
= source
->defs
->list
[i
];
1028 if (validate_decl_typedef(source
, def
)) {
1030 dest
->defs
= add_decl_typedef(dest
->defs
, def
);
1037 if (source
->consts
) for (i
= 0; i
< source
->consts
->count
; ++i
) {
1038 constant
*constant
= source
->consts
->list
[i
];
1040 if (validate_constant(source
, constant
)) {
1042 dest
->consts
= add_constant(dest
->consts
, constant
);
1049 if (source
->structs
) for (i
= 0; i
< source
->structs
->count
; ++i
) {
1050 decl_struct
*dstruct
= source
->structs
->list
[i
];
1052 if (validate_decl_struct(source
, dstruct
)) {
1054 dest
->structs
= add_decl_struct(dest
->structs
, dstruct
);
1061 if (source
->enums
) for (i
= 0; i
< source
->enums
->count
; ++i
) {
1062 decl_enum
*denum
= source
->enums
->list
[i
];
1064 if (validate_decl_enum(source
, denum
)) {
1066 dest
->enums
= add_decl_enum(dest
->enums
, denum
);
1073 if (source
->decls
) for (i
= 0; i
< source
->decls
->count
; ++i
) {
1074 decl
*decl
= source
->decls
->list
[i
];
1076 if (validate_decl(source
, NULL
, decl
)) {
1078 dest
->decls
= add_decl(dest
->decls
, decl
);
1085 if (source
->impls
) for (i
= 0; i
< source
->impls
->count
; ++i
) {
1086 impl
*impl
= source
->impls
->list
[i
];
1088 if (validate_impl(source
, impl
)) {
1090 dest
->impls
= add_impl(dest
->impls
, impl
);