4 # include "php_config.h"
10 #include "zend_exceptions.h"
17 static inline void psi_do_set(zval
*return_value
, set_value
*set
)
19 decl_arg
*set_arg
= set
->vars
->vars
[0]->arg
;
21 zval_dtor(return_value
);
22 set
->func
->handler(return_value
, set
, set_arg
->let
);
25 int psi_internal_type(impl_type
*type
)
44 zend_internal_arg_info
*psi_internal_arginfo(impl
*impl
)
47 zend_internal_arg_info
*aip
;
48 zend_internal_function_info
*fi
;
50 aip
= calloc(impl
->func
->args
->count
+ 1 + !!impl
->func
->args
->vararg
.name
, sizeof(*aip
));
52 fi
= (zend_internal_function_info
*) &aip
[0];
54 fi
->required_num_args
= psi_num_min_args(impl
);
55 fi
->return_reference
= impl
->func
->return_reference
;
56 fi
->type_hint
= psi_internal_type(impl
->func
->return_type
);
58 if (impl
->func
->args
->vararg
.name
) {
59 impl_arg
*vararg
= impl
->func
->args
->vararg
.name
;
60 zend_internal_arg_info
*ai
= &aip
[impl
->func
->args
->count
];
62 ai
->name
= vararg
->var
->name
;
64 ai
->type_hint
= psi_internal_type(vararg
->type
);
65 if (vararg
->var
->reference
) {
66 ai
->pass_by_reference
= 1;
71 for (i
= 0; i
< impl
->func
->args
->count
; ++i
) {
72 impl_arg
*iarg
= impl
->func
->args
->args
[i
];
73 zend_internal_arg_info
*ai
= &aip
[i
+1];
75 ai
->name
= iarg
->var
->name
;
76 ai
->type_hint
= psi_internal_type(iarg
->type
);
77 if (iarg
->var
->reference
) {
78 ai
->pass_by_reference
= 1;
80 //if (iarg->var->reference || (iarg->def && iarg->def->type == PSI_T_NULL)) {
88 size_t psi_num_min_args(impl
*impl
)
90 size_t i
, n
= impl
->func
->args
->count
;
92 for (i
= 0; i
< impl
->func
->args
->count
; ++i
) {
93 if (impl
->func
->args
->args
[i
]->def
) {
101 static inline ZEND_RESULT_CODE
psi_parse_args(zend_execute_data
*execute_data
, impl
*impl
)
105 zend_error_handling zeh
;
107 zend_replace_error_handling(EH_THROW
, zend_exception_get_default(), &zeh
);
109 if (!impl
->func
->args
->count
) {
112 rv
= zend_parse_parameters_none();
113 zend_restore_error_handling(&zeh
);
117 ZEND_PARSE_PARAMETERS_START(psi_num_min_args(impl
), impl
->func
->args
->vararg
.name
? -1 : impl
->func
->args
->count
)
119 if (impl
->func
->args
->vararg
.name
&& _i
>= impl
->func
->args
->count
) {
120 impl_arg
*varg
= impl
->func
->args
->vararg
.name
;
121 iarg
= init_impl_arg(
122 init_impl_type(varg
->type
->type
, varg
->type
->name
),
123 init_impl_var(varg
->var
->name
, varg
->var
->reference
),
127 if (_i
== impl
->func
->args
->count
) {
128 impl
->func
->args
->vararg
.args
= init_impl_args(iarg
);
130 add_impl_arg(impl
->func
->args
->vararg
.args
, iarg
);
133 iarg
= impl
->func
->args
->args
[_i
];
138 if (PSI_T_BOOL
== iarg
->type
->type
) {
139 Z_PARAM_BOOL(iarg
->val
.zend
.bval
);
140 } else if (PSI_T_INT
== iarg
->type
->type
) {
141 Z_PARAM_LONG(iarg
->val
.zend
.lval
);
142 } else if (PSI_T_FLOAT
== iarg
->type
->type
|| PSI_T_DOUBLE
== iarg
->type
->type
) {
143 Z_PARAM_DOUBLE(iarg
->val
.dval
);
144 } else if (PSI_T_STRING
== iarg
->type
->type
) {
145 Z_PARAM_STR_EX(iarg
->val
.zend
.str
, 1, iarg
->var
->reference
);
146 if (iarg
->val
.zend
.str
) {
147 zend_string_addref(iarg
->val
.zend
.str
);
149 } else if (PSI_T_ARRAY
== iarg
->type
->type
) {
151 } else if (PSI_T_OBJECT
== iarg
->type
->type
) {
153 } else if (PSI_T_MIXED
== iarg
->type
->type
) {
155 } else if (PSI_T_CALLABLE
== iarg
->type
->type
) {
157 zend_fcall_info_cache fcc
;
159 Z_PARAM_FUNC_EX(fci
, fcc
, 1, 0);
162 iarg
->val
.zend
.cb
= ecalloc(1, sizeof(zend_fcall
));
163 iarg
->val
.zend
.cb
->fci
= fci
;
164 iarg
->val
.zend
.cb
->fcc
= fcc
;
167 error_code
= ZPP_ERROR_FAILURE
;
171 ZVAL_DEREF(iarg
->_zv
);
172 if (_i
< _num_args
) {
175 ZEND_PARSE_PARAMETERS_END_EX(
176 zend_restore_error_handling(&zeh
);
180 /* set up defaults */
181 for (i
= 0; i
< impl
->func
->args
->count
; ++i
) {
182 if (i
>= EX_NUM_ARGS() && iarg
->def
) {
183 iarg
= impl
->func
->args
->args
[i
];
185 switch (iarg
->type
->type
) {
187 iarg
->val
.zend
.bval
= iarg
->def
->type
== PSI_T_TRUE
? 1 : 0;
190 iarg
->val
.zend
.lval
= zend_atol(iarg
->def
->text
, strlen(iarg
->def
->text
));
194 iarg
->val
.dval
= zend_strtod(iarg
->def
->text
, NULL
);
198 iarg
->val
.zend
.str
= zend_string_init(&iarg
->def
->text
[1], strlen(iarg
->def
->text
) - 2, 0);
204 zend_restore_error_handling(&zeh
);
208 static inline void *psi_do_calloc(let_calloc
*alloc
)
210 zend_long n
= psi_long_num_exp(alloc
->nmemb
, NULL
), s
= psi_long_num_exp(alloc
->size
, NULL
);
211 void *mem
= safe_emalloc(n
, s
, sizeof(void *));
212 memset(mem
, 0, n
* s
+ sizeof(void *));
214 fprintf(stderr
, "calloc: %p\n", mem
);
219 static inline impl_val
*psi_let_func(let_func
*func
, decl_arg
*darg
);
221 static inline void *psi_let_val(let_val
*val
, decl_arg
*darg
)
225 switch (val
? val
->kind
: PSI_LET_NULL
) {
227 memcpy(darg
->ptr
, deref_impl_val(val
->data
.var
->arg
->let
, val
->data
.var
), sizeof(impl_val
));
230 if (darg
->var
->array_size
) {
231 darg
->val
.ptr
= ecalloc(darg
->var
->array_size
, sizeof(impl_val
));
232 darg
->mem
= darg
->val
.ptr
;
234 memset(&darg
->val
, 0, sizeof(impl_val
));
238 darg
->val
.ptr
= psi_do_calloc(val
->data
.alloc
);
239 darg
->mem
= darg
->val
.ptr
;
242 darg
->val
.zend
.lval
= psi_long_num_exp(val
->data
.num
, NULL
);
244 case PSI_LET_CALLBACK
:
245 darg
->val
.ptr
= val
->data
.callback
->decl
->call
.sym
;
248 if (!psi_let_func(val
->data
.func
, darg
)) {
254 if (val
&& val
->flags
.one
.is_reference
) {
255 return darg
->let
= &darg
->ptr
;
257 return darg
->let
= darg
->ptr
;
261 static void marshal_func(void *cb_ctx
, impl_val
**ptr
, decl_arg
*spec
, token_t cast
, zval
*zv
, void **tmp
) {
262 let_vals
*vals
= cb_ctx
;
265 for (i
= 0; i
< vals
->count
; ++i
) {
266 impl_var
*var
= locate_let_val_impl_var(vals
->vals
[i
]);
268 if (!strcmp(&var
->name
[1], spec
->var
->name
)) {
269 *ptr
= psi_let_val(vals
->vals
[i
], spec
);
276 static inline impl_val
*psi_let_func_ex(let_func
*func
, void *dptr
, decl_type
*dtype
, token_t itype
, impl_val
*ival
, zval
*zvalue
, void **to_free
) {
277 switch (func
->type
) {
279 return psi_let_boolval(dptr
, dtype
, itype
, ival
, zvalue
, to_free
);
281 return psi_let_intval(dptr
, dtype
, itype
, ival
, zvalue
, to_free
);
283 return psi_let_floatval(dptr
, dtype
, itype
, ival
, zvalue
, to_free
);
285 return psi_let_strval(dptr
, dtype
, itype
, ival
, zvalue
, to_free
);
287 return psi_let_strlen(dptr
, dtype
, itype
, ival
, zvalue
, to_free
);
289 return psi_let_pathval(dptr
, dtype
, itype
, ival
, zvalue
, to_free
);
291 return psi_let_objval(dptr
, dtype
, itype
, ival
, zvalue
, to_free
);
293 return psi_let_zval(dptr
, dtype
, itype
, ival
, zvalue
, to_free
);
295 return psi_let_void(dptr
, dtype
, itype
, ival
, zvalue
, to_free
);
299 decl_type
*real
= real_decl_type(dtype
);
301 if (itype
!= PSI_T_ARRAY
) {
302 SEPARATE_ARG_IF_REF(zvalue
);
303 convert_to_array(zvalue
);
306 return *to_free
= psi_array_to_struct_ex(real
->real
.strct
, Z_ARRVAL_P(zvalue
), marshal_func
, func
->inner
);
308 return psi_let_arrval(dptr
, dtype
, itype
, ival
, zvalue
, to_free
);
317 static inline impl_val
*psi_let_func(let_func
*func
, decl_arg
*darg
) {
318 impl_arg
*iarg
= func
->var
->arg
;
320 if (func
->outer
&& !iarg
) {
321 impl_arg
*outer_arg
= locate_let_val_impl_var(func
->outer
)->arg
;
322 iarg
= init_impl_arg(
323 init_impl_type(PSI_T_MIXED
, "mixed"),
324 copy_impl_var(func
->var
), NULL
);
327 if (!(iarg
->_zv
= zend_hash_str_find(Z_ARRVAL_P(outer_arg
->_zv
), &iarg
->var
->name
[1], strlen(iarg
->var
->name
)-1))) {
328 iarg
->_zv
= zend_hash_str_add_empty_element(Z_ARRVAL_P(outer_arg
->_zv
), &iarg
->var
->name
[1], strlen(iarg
->var
->name
)-1);
331 return darg
->ptr
= psi_let_func_ex(func
, darg
->ptr
, darg
->type
, iarg
->type
->type
, &iarg
->val
, iarg
->_zv
, &darg
->mem
);
334 static inline void *psi_do_let(let_stmt
*let
)
336 return psi_let_val(let
->val
, let
->var
->arg
);
339 static inline void psi_do_return(zval
*return_value
, return_stmt
*ret
)
341 ret
->set
->func
->handler(return_value
, ret
->set
, ret
->set
->vars
->vars
[0]->arg
->ptr
);
344 static inline void psi_do_free(free_stmt
*fre
)
348 for (i
= 0; i
< fre
->calls
->count
; ++i
) {
349 free_call
*f
= fre
->calls
->list
[i
];
351 for (j
= 0; j
< f
->vars
->count
; ++j
) {
352 decl_var
*dvar
= f
->vars
->vars
[j
];
353 decl_arg
*darg
= dvar
->arg
;
354 impl_val
*fval
= darg
->let
;
356 f
->decl
->call
.args
[j
] = deref_impl_val(fval
, dvar
);
359 /* FIXME: check in validate_* that free functions return scalar */
360 psi_context_call(&PSI_G(context
), &f
->decl
->call
, NULL
);
364 static inline void psi_clean_array_struct(let_val
*val
, decl_arg
*darg
) {
365 if (val
->kind
== PSI_LET_FUNC
366 && val
->data
.func
->type
== PSI_T_ARRVAL
) {
367 decl_type
*type
= real_decl_type(darg
->type
);
368 decl_args
*args
= NULL
;
370 if (type
->type
== PSI_T_STRUCT
) {
371 void **ptr
= (void **) ((char *) darg
->mem
+ type
->real
.strct
->size
);
376 args
= type
->real
.strct
->args
;
377 } else if (type
->type
== PSI_T_UNION
) {
378 void **ptr
= (void **) ((char *) darg
->mem
+ type
->real
.unn
->size
);
383 args
= type
->real
.unn
->args
;
385 if (args
&& val
->data
.func
->inner
) {
388 for (i
= 0; i
< val
->data
.func
->inner
->count
; ++i
) {
389 let_val
*inner
= val
->data
.func
->inner
->vals
[i
];
390 decl_var
*refvar
= locate_let_val_inner_ref(inner
)->var
;
391 decl_arg
*subarg
= locate_decl_arg(args
, refvar
->name
);
394 psi_clean_array_struct(val
->data
.func
->inner
->vals
[i
], subarg
);
395 if (subarg
&& subarg
->mem
) {
405 static inline void psi_do_clean(impl
*impl
)
409 if (impl
->decl
->func
->ptr
!= &impl
->decl
->func
->val
) {
410 efree(impl
->decl
->func
->ptr
);
411 impl
->decl
->func
->ptr
= &impl
->decl
->func
->val
;
414 for (i
= 0; i
< impl
->func
->args
->count
; ++i
) {
415 impl_arg
*iarg
= impl
->func
->args
->args
[i
];
417 switch (iarg
->type
->type
) {
419 if (iarg
->val
.zend
.str
) {
420 zend_string_release(iarg
->val
.zend
.str
);
424 if (iarg
->val
.zend
.cb
) {
425 if (iarg
->val
.zend
.cb
->fci
.size
) {
426 zend_fcall_info_args_clear(&iarg
->val
.zend
.cb
->fci
, 1);
428 efree(iarg
->val
.zend
.cb
);
434 for (i
= 0; i
< impl
->stmts
->let
.count
; ++i
) {
435 let_stmt
*let
= impl
->stmts
->let
.list
[i
];
436 decl_arg
*darg
= let
->var
->arg
;
439 psi_clean_array_struct(let
->val
, darg
);
443 darg
->ptr
= &darg
->val
;
444 darg
->let
= darg
->ptr
;
447 if (impl
->func
->args
->vararg
.args
) {
448 free_impl_args(impl
->func
->args
->vararg
.args
);
449 impl
->func
->args
->vararg
.args
= NULL
;
451 if (impl
->func
->args
->vararg
.types
) {
452 efree(impl
->func
->args
->vararg
.types
);
453 impl
->func
->args
->vararg
.types
= NULL
;
455 if (impl
->func
->args
->vararg
.values
) {
456 efree(impl
->func
->args
->vararg
.values
);
457 impl
->func
->args
->vararg
.values
= NULL
;
459 if (impl
->func
->args
->vararg
.free_list
) {
460 void **list
= impl
->func
->args
->vararg
.free_list
;
466 efree(impl
->func
->args
->vararg
.free_list
);
467 impl
->func
->args
->vararg
.free_list
= NULL
;
472 static inline void psi_do_args(impl
*impl
) {
475 for (i
= 0; i
< impl
->decl
->args
->count
; ++i
) {
476 impl
->decl
->call
.args
[i
] = impl
->decl
->args
->args
[i
]->let
;
479 if (!impl
->decl
->func
->var
->pointer_level
) {
480 decl_type
*real
= real_decl_type(impl
->decl
->func
->type
);
482 switch (real
->type
) {
484 impl
->decl
->func
->ptr
= psi_array_to_struct(real
->real
.strct
, NULL
);
487 impl
->decl
->func
->ptr
= psi_array_to_union(real
->real
.unn
, NULL
);
493 static inline impl_vararg
*psi_do_varargs(impl
*impl
) {
495 impl_vararg
*va
= &impl
->func
->args
->vararg
;
496 size_t vacount
= va
->args
->count
;
503 va
->types
= ecalloc(vacount
, sizeof(*va
->types
));
504 va
->values
= ecalloc(vacount
, sizeof(*va
->values
));
506 for (i
= 0, j
= 0; i
< vacount
; ++i
) {
507 impl_arg
*vaarg
= va
->args
->args
[i
];
508 void *to_free
= NULL
;
509 token_t vatype
= va
->name
->type
->type
;
510 psi_marshal_let let_fn
;
512 if (vatype
== PSI_T_MIXED
) {
513 switch (Z_TYPE_P(vaarg
->_zv
)) {
515 case IS_FALSE
: vatype
= PSI_T_BOOL
; break;
516 case IS_LONG
: vatype
= PSI_T_INT
; break;
517 case IS_DOUBLE
: vatype
= PSI_T_FLOAT
; break;
518 default: vatype
= PSI_T_STRING
; break;
524 case PSI_T_BOOL
: let_fn
= psi_let_boolval
; break;
525 case PSI_T_INT
: let_fn
= psi_let_intval
; break;
527 case PSI_T_DOUBLE
: let_fn
= psi_let_floatval
; break;
528 case PSI_T_STRING
: let_fn
= psi_let_strval
; break;
529 EMPTY_SWITCH_DEFAULT_CASE();
532 va
->types
[i
] = vatype
;
534 /* FIXME: varargs with struct-by-value :) */
535 //if (!psi_let_val(let_fn, vaarg, &va->values[i], NULL, &to_free)) {
536 if (!let_fn(&va
->values
[i
], NULL
, vaarg
->type
->type
, &vaarg
->val
, vaarg
->_zv
, &to_free
)) {
541 if (!va
->free_list
) {
542 va
->free_list
= ecalloc(vacount
- i
+ 1, sizeof(*va
->free_list
));
544 va
->free_list
[j
++] = to_free
;
551 ZEND_RESULT_CODE
psi_call(zend_execute_data
*execute_data
, zval
*return_value
, impl
*impl
)
554 impl_vararg
*va
= NULL
;
556 memset(impl
->decl
->func
->ptr
, 0, sizeof(impl_val
));
558 if (SUCCESS
!= psi_parse_args(execute_data
, impl
)) {
562 for (i
= 0; i
< impl
->stmts
->let
.count
; ++i
) {
563 let_stmt
*let
= impl
->stmts
->let
.list
[i
];
565 if (!psi_do_let(let
)) {
566 psi_do_return(return_value
, impl
->stmts
->ret
.list
[0]);
572 if (impl
->decl
->args
) {
575 if (impl
->func
->args
->vararg
.args
) {
576 va
= psi_do_varargs(impl
);
580 psi_context_call(&PSI_G(context
), &impl
->decl
->call
, va
);
581 psi_do_return(return_value
, impl
->stmts
->ret
.list
[0]);
583 for (i
= 0; i
< impl
->stmts
->set
.count
; ++i
) {
584 set_stmt
*set
= impl
->stmts
->set
.list
[i
];
587 psi_do_set(set
->arg
->_zv
, set
->val
);
591 for (i
= 0; i
< impl
->stmts
->fre
.count
; ++i
) {
592 free_stmt
*fre
= impl
->stmts
->fre
.list
[i
];
601 ZEND_RESULT_CODE
psi_callback(let_callback
*cb
, void *retval
, unsigned argc
, void **argv
)
604 decl
*decl_cb
= cb
->decl
;
605 impl_arg
*iarg
= cb
->func
->var
->arg
;
606 zval return_value
, *zargv
= calloc(argc
, sizeof(*zargv
));
607 void *result
, *to_free
= NULL
;
609 ZEND_ASSERT(argc
== cb
->decl
->args
->count
);
611 /* prepare args for the userland call */
612 for (i
= 0; i
< argc
; ++i
) {
613 cb
->decl
->args
->args
[i
]->let
= argv
[i
];
615 for (i
= 0; i
< cb
->args
->count
; ++i
) {
616 psi_do_set(&zargv
[i
], cb
->args
->vals
[i
]);
618 zend_fcall_info_argp(&iarg
->val
.zend
.cb
->fci
, cb
->args
->count
, zargv
);
620 /* callback into userland */
621 ZVAL_UNDEF(&return_value
);
622 iarg
->_zv
= &return_value
;
623 zend_fcall_info_call(&iarg
->val
.zend
.cb
->fci
, &iarg
->val
.zend
.cb
->fcc
, iarg
->_zv
, NULL
);
625 /* marshal return value of the userland call
626 switch (iarg->type->type) {
627 case PSI_T_BOOL: zend_parse_arg_bool(iarg->_zv, &iarg->val.zend.bval, NULL, 0); break;
628 case PSI_T_LONG: zend_parse_arg_long(iarg->_zv, &iarg->val.zend.lval, NULL, 0, 1); break;
630 case PSI_T_DOUBLE: zend_parse_arg_double(iarg->_zv, &iarg->val.dval, NULL, 0); break;
631 case PSI_T_STRING: zend_parse_arg_str(iarg->_zv, &iarg->val.zend.str, 0); break;
634 result
= psi_let_func_ex(cb
->func
, retval
, decl_cb
->func
->type
, 0, &iarg
->val
, iarg
->_zv
, &to_free
);
635 // result = cb->func->handler(retval, decl_cb->func->type, iarg, &to_free);
637 if (result
!= retval
) {
638 *(void **)retval
= result
;
641 zend_fcall_info_args_clear(&iarg
->val
.zend
.cb
->fci
, 0);
642 for (i
= 0; i
< cb
->args
->count
; ++i
) {
643 zval_ptr_dtor(&zargv
[i
]);