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 *******************************************************************************/
26 #include "php_psi_stdinc.h"
31 struct psi_decl_var
*psi_decl_var_init(const char *name
, unsigned pl
,
34 struct psi_decl_var
*v
= calloc(1, sizeof(*v
));
36 v
->name
= strdup(name
);
37 v
->fqn
= strdup(name
);
39 v
->pointer_level
= pl
;
44 struct psi_decl_var
*psi_decl_var_copy(struct psi_decl_var
*src
)
46 struct psi_decl_var
*dest
= calloc(1, sizeof(*dest
));
51 dest
->name
= strdup(dest
->name
);
52 dest
->fqn
= strdup(dest
->fqn
);
56 dest
->token
= psi_token_copy(dest
->token
);
61 void psi_decl_var_free(struct psi_decl_var
**var_ptr
)
64 struct psi_decl_var
*var
= *var_ptr
;
78 void psi_decl_var_dump(int fd
, struct psi_decl_var
*var
)
81 psi_t_indirection(var
->pointer_level
- !!var
->array_size
),
82 var
->name
? var
->name
: "<>");
83 if (var
->array_size
) {
84 dprintf(fd
, "[%u]", var
->array_size
);
88 bool psi_decl_var_validate(struct psi_data
*data
, struct psi_decl_var
*dvar
,
89 struct psi_decl
*decl
, struct psi_let_exp
*let_exp
,
90 struct psi_set_exp
*set_exp
)
93 struct psi_let_exp
*current_let_exp
= let_exp
;
94 struct psi_set_exp
*current_set_exp
= set_exp
;
96 if (current_let_exp
) {
97 /* walk up the let expression tree until found */
98 while ((current_let_exp
= current_let_exp
->outer
)) {
99 struct psi_decl_var
*svar
= current_let_exp
->var
;
103 struct psi_plist
*args
= psi_decl_type_get_args(svar
->arg
->type
,
106 if (args
&& psi_decl_arg_get_by_var(dvar
, args
, NULL
)) {
108 } else if (!strcmp(svar
->name
, dvar
->name
)) {
109 dvar
->arg
= svar
->arg
;
114 dvar
->fqn
= psi_decl_var_name_prepend(dvar
->fqn
, svar
->name
);
117 } else if (current_set_exp
) {
118 /* walk up the set expression tree until found */
119 while ((current_set_exp
= current_set_exp
->outer
)) {
120 struct psi_decl_var
*svar
= psi_set_exp_get_decl_var(
124 struct psi_plist
*args
= psi_decl_type_get_args(svar
->arg
->type
,
127 if (args
&& psi_decl_arg_get_by_var(dvar
, args
, NULL
)) {
129 } else if (!strcmp(svar
->name
, dvar
->name
)) {
130 dvar
->arg
= svar
->arg
;
135 dvar
->fqn
= psi_decl_var_name_prepend(dvar
->fqn
, svar
->name
);
140 if (decl
&& !okay
&& psi_decl_get_arg(decl
, dvar
)) {
147 size_t psi_decl_var_get_size(struct psi_decl_var
*var
)
149 struct psi_decl_var
*decl_var
= var
->arg
->var
;
150 size_t pointer_level
= decl_var
->pointer_level
- var
->pointer_level
;
153 return SIZEOF_VOID_P
;
156 return psi_decl_type_get_size(var
->arg
->type
, NULL
);