1 /*******************************************************************************
2 Copyright (c) 2016, Michael Wallner <mike@php.net>.
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are met:
8 * Redistributions of source code must retain the above copyright notice,
9 this list of conditions and the following disclaimer.
10 * Redistributions in binary form must reproduce the above copyright
11 notice, this list of conditions and the following disclaimer in the
12 documentation and/or other materials provided with the distribution.
14 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
18 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *******************************************************************************/
29 # include "php_config.h"
35 #include <Zend/zend_smart_str.h>
37 struct psi_decl_var
*psi_decl_var_init(zend_string
*name
, unsigned pl
,
40 struct psi_decl_var
*v
= pecalloc(1, sizeof(*v
), 1);
42 v
->name
= zend_string_copy(name
);
43 v
->fqn
= zend_string_copy(name
);
45 v
->pointer_level
= pl
;
50 struct psi_decl_var
*psi_decl_var_copy(struct psi_decl_var
*src
)
52 struct psi_decl_var
*dest
= pecalloc(1, sizeof(*dest
), 1);
57 dest
->name
= zend_string_copy(dest
->name
);
58 dest
->fqn
= zend_string_copy(dest
->fqn
);
62 dest
->token
= psi_token_copy(dest
->token
);
67 void psi_decl_var_free(struct psi_decl_var
**var_ptr
)
70 struct psi_decl_var
*var
= *var_ptr
;
73 psi_token_free(&var
->token
);
75 zend_string_release(var
->name
);
76 zend_string_release(var
->fqn
);
82 void psi_decl_var_dump(struct psi_dump
*dump
, struct psi_decl_var
*var
)
84 PSI_DUMP(dump
, "%s%s",
85 psi_t_indirection(var
->pointer_level
- !!var
->array_size
),
86 var
->name
? var
->name
->val
: "/**/");
87 if (var
->array_size
&& var
->arg
->type
->type
!= PSI_T_FUNCTION
) {
88 PSI_DUMP(dump
, "[%u]", var
->array_size
);
92 static inline zend_string
*psi_decl_var_name_prepend(zend_string
*current
, zend_string
*prepend
) {
95 smart_str_alloc(&name
, prepend
->len
+ 1 + current
->len
, 1);
96 smart_str_append_ex(&name
, prepend
, 1);
97 smart_str_appendc_ex(&name
, '.', 1);
98 smart_str_append_ex(&name
, current
, 1);
100 return smart_str_extract(&name
);
103 bool psi_decl_var_validate(struct psi_data
*data
, struct psi_decl_var
*dvar
,
104 struct psi_validate_scope
*scope
)
108 if (scope
&& scope
->current_let
) {
109 struct psi_let_exp
*current_let_exp
= scope
->current_let
;
111 /* walk up the let expression tree until found */
112 while ((current_let_exp
= current_let_exp
->outer
)) {
113 struct psi_decl_var
*svar
= current_let_exp
->var
;
117 struct psi_plist
*args
= psi_decl_type_get_args(svar
->arg
->type
,
120 if (args
&& psi_decl_arg_get_by_var(dvar
, args
, NULL
)) {
122 } else if (zend_string_equals(svar
->name
, dvar
->name
)) {
123 dvar
->arg
= svar
->arg
;
128 zend_string
*tmp
= dvar
->fqn
;
129 dvar
->fqn
= psi_decl_var_name_prepend(dvar
->fqn
, svar
->name
);
130 zend_string_release(tmp
);
133 } else if (scope
&& scope
->current_set
) {
134 struct psi_set_exp
*current_set_exp
= scope
->current_set
;
136 /* walk up the set expression tree until found */
137 while ((current_set_exp
= current_set_exp
->outer
)) {
138 struct psi_decl_var
*svar
= psi_set_exp_get_decl_var(
142 struct psi_plist
*args
= psi_decl_type_get_args(svar
->arg
->type
,
145 if (args
&& psi_decl_arg_get_by_var(dvar
, args
, NULL
)) {
147 } else if (zend_string_equals(svar
->name
, dvar
->name
)) {
148 dvar
->arg
= svar
->arg
;
153 zend_string
*tmp
= dvar
->fqn
;
154 dvar
->fqn
= psi_decl_var_name_prepend(dvar
->fqn
, svar
->name
);
155 zend_string_release(tmp
);
160 if (!okay
&& scope
&& scope
->impl
&& psi_impl_get_decl_arg(scope
->impl
, dvar
)) {
163 if (!okay
&& scope
&& scope
->cb_decl
&& psi_decl_get_arg(scope
->cb_decl
, dvar
)) {
170 size_t psi_decl_var_get_size(struct psi_decl_var
*var
)
172 struct psi_decl_var
*decl_var
= var
->arg
->var
;
173 size_t pointer_level
= decl_var
->pointer_level
- var
->pointer_level
;
176 return SIZEOF_VOID_P
;
179 return psi_decl_type_get_size(var
->arg
->type
, NULL
);