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"
29 struct psi_let_callback
*psi_let_callback_init(struct psi_let_func
*func
,
30 struct psi_plist
*args
, struct psi_plist
*cb_args
)
32 struct psi_let_callback
*cb
= calloc(1, sizeof(*cb
));
35 cb
->cb_args
= cb_args
;
39 void psi_let_callback_free(struct psi_let_callback
**cb_ptr
)
42 struct psi_let_callback
*cb
= *cb_ptr
;
45 psi_let_func_free(&cb
->func
);
46 psi_plist_free(cb
->args
);
48 psi_plist_free(cb
->cb_args
);
58 static inline bool psi_let_callback_validate_decl_args(struct psi_data
*data
,
59 struct psi_let_callback
*cb
, struct psi_decl
*cb_decl
,
60 struct psi_impl
*impl
)
63 struct psi_decl_var
*call_arg
;
66 if (psi_plist_count(cb
->cb_args
) != psi_plist_count(cb_decl
->args
)) {
67 data
->error(data
, cb
->token
, PSI_WARNING
,
68 "Argument count of callback statement of implementation '%s'"
69 "does not match argument count of callback declaration '%s'",
70 impl
->func
->name
, cb_decl
->func
->var
->name
);
74 for (i
= 0; psi_plist_get(cb
->cb_args
, i
, &call_arg
); ++i
) {
75 psi_plist_get(cb_decl
->args
, i
, &call_arg
->arg
);
81 bool psi_let_callback_validate(struct psi_data
*data
, struct psi_let_callback
*cb
,
82 struct psi_validate_scope
*scope
)
85 struct psi_decl_type
*cb_type
;
86 struct psi_let_exp
*exp
= scope
->current_let
;
87 struct psi_decl_var
*cb_var
= exp
->var
;
88 struct psi_set_exp
*set_exp
, *parent_set
= scope
->current_set
;
90 cb_type
= psi_decl_type_get_real(cb_var
->arg
->type
);
91 if (cb_type
->type
!= PSI_T_FUNCTION
) {
92 data
->error(data
, cb_var
->token
, PSI_WARNING
,
93 "Expected a function: %s",
97 cb
->decl
= cb_type
->real
.func
;
99 if (!psi_decl_validate_nodl(data
, cb
->decl
, scope
)) {
102 if (!psi_let_callback_validate_decl_args(data
, cb
, cb
->decl
, scope
->impl
)) {
105 while (psi_plist_get(cb
->args
, i
++, &set_exp
)) {
107 struct psi_decl_var
*cb_var
;
109 if (psi_plist_get(cb
->cb_args
, i
- 1, &cb_var
)) {
110 struct psi_decl_var
*dvar
= psi_set_exp_get_decl_var(set_exp
);
111 dvar
->arg
= cb_var
->arg
;
115 scope
->current_set
= set_exp
;
116 scope
->cb_decl
= cb
->decl
;
118 if (!psi_set_exp_validate(data
, set_exp
, scope
)) {
119 scope
->cb_decl
= NULL
;
120 scope
->current_set
= parent_set
;
123 scope
->cb_decl
= NULL
;
124 scope
->current_set
= parent_set
;
130 void psi_let_callback_dump(int fd
, struct psi_let_callback
*callback
,
133 dprintf(fd
, "callback(");
134 if (callback
->cb_args
) {
136 struct psi_decl_var
*cb_arg
;
138 while (psi_plist_get(callback
->cb_args
, i
++, &cb_arg
)) {
142 psi_decl_var_dump(fd
, cb_arg
);
145 dprintf(fd
, ") as %s(%s(",
146 callback
->func
->name
,
147 callback
->func
->var
->name
);
149 if (callback
->args
) {
150 size_t i
= 0, last
= psi_plist_count(callback
->args
);
151 struct psi_set_exp
*set
;
155 while (psi_plist_get(callback
->args
, i
++, &set
)) {
156 psi_set_exp_dump(fd
, set
, level
, i
== last
);
160 dprintf(fd
, "%s", psi_t_indent(level
));