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 struct psi_impl
*psi_impl_init(struct psi_impl_func
*func
,
36 struct psi_plist
*stmts
)
38 struct psi_impl
*impl
= pecalloc(1, sizeof(*impl
), 1);
40 struct psi_token
**abstract_stmt
;
42 impl
->stmts
.ret
= psi_plist_init((psi_plist_dtor
) psi_return_stmt_free
);
43 impl
->stmts
.let
= psi_plist_init((psi_plist_dtor
) psi_let_stmt_free
);
44 impl
->stmts
.set
= psi_plist_init((psi_plist_dtor
) psi_set_stmt_free
);
45 impl
->stmts
.fre
= psi_plist_init((psi_plist_dtor
) psi_free_stmt_free
);
46 impl
->stmts
.ass
= psi_plist_init((psi_plist_dtor
) psi_assert_stmt_free
);
48 while (psi_plist_get(stmts
, i
++, &abstract_stmt
)) {
49 switch ((*abstract_stmt
)->type
) {
51 impl
->stmts
.ret
= psi_plist_add(impl
->stmts
.ret
, &abstract_stmt
);
55 impl
->stmts
.let
= psi_plist_add(impl
->stmts
.let
, &abstract_stmt
);
58 impl
->stmts
.set
= psi_plist_add(impl
->stmts
.set
, &abstract_stmt
);
61 impl
->stmts
.fre
= psi_plist_add(impl
->stmts
.fre
, &abstract_stmt
);
63 case PSI_T_PRE_ASSERT
:
64 case PSI_T_POST_ASSERT
:
65 impl
->stmts
.ass
= psi_plist_add(impl
->stmts
.ass
, &abstract_stmt
);
78 void psi_impl_free(struct psi_impl
**impl_ptr
)
81 struct psi_impl
*impl
= *impl_ptr
;
84 psi_impl_func_free(&impl
->func
);
85 psi_plist_free(impl
->stmts
.ret
);
86 psi_plist_free(impl
->stmts
.let
);
87 psi_plist_free(impl
->stmts
.set
);
88 psi_plist_free(impl
->stmts
.fre
);
89 psi_plist_free(impl
->stmts
.ass
);
94 void psi_impl_dump(struct psi_dump
*dump
, struct psi_impl
*impl
)
97 struct psi_return_stmt
*ret
;
98 struct psi_let_stmt
*let
;
99 struct psi_set_stmt
*set
;
100 struct psi_free_stmt
*fre
;
101 struct psi_assert_stmt
*ass
;
103 psi_impl_func_dump(dump
, impl
->func
);
104 PSI_DUMP(dump
, " {\n");
105 for (i
= 0; psi_plist_get(impl
->stmts
.let
, i
, &let
); ++i
) {
106 psi_let_stmt_dump(dump
, let
);
108 for (i
= 0; psi_plist_get(impl
->stmts
.ass
, i
, &ass
); ++i
) {
109 psi_assert_stmt_dump(dump
, ass
);
111 for (i
= 0; psi_plist_get(impl
->stmts
.ret
, i
, &ret
); ++i
) {
112 psi_return_stmt_dump(dump
, ret
);
114 for (i
= 0; psi_plist_get(impl
->stmts
.set
, i
, &set
); ++i
) {
115 psi_set_stmt_dump(dump
, set
);
117 for (i
= 0; psi_plist_get(impl
->stmts
.fre
, i
, &fre
); ++i
) {
118 psi_free_stmt_dump(dump
, fre
);
120 PSI_DUMP(dump
, "}\n");
123 bool psi_impl_validate(struct psi_data
*data
, struct psi_impl
*impl
,
124 struct psi_validate_scope
*scope
)
128 if (!psi_impl_func_validate(data
, impl
->func
, scope
)) {
131 if (!psi_return_stmt_validate(data
, scope
)) {
134 if (!psi_let_stmts_validate(data
, scope
)) {
137 if (!psi_set_stmts_validate(data
, scope
)) {
140 if (!psi_assert_stmts_validate(data
, scope
)) {
143 if (!psi_free_stmts_validate(data
, scope
)) {
149 size_t psi_impl_num_min_args(struct psi_impl
*impl
)
152 struct psi_impl_arg
*arg
;
154 for (i
= 0; psi_plist_get(impl
->func
->args
, i
, &arg
); ++i
) {
162 void psi_impl_stmt_free(struct psi_token
***abstract_stmt
)
164 switch ((**abstract_stmt
)->type
) {
166 psi_let_stmt_free((void *) abstract_stmt
);
169 psi_set_stmt_free((void *) abstract_stmt
);
172 psi_return_stmt_free((void *) abstract_stmt
);
175 psi_free_stmt_free((void *) abstract_stmt
);
177 case PSI_T_PRE_ASSERT
:
178 case PSI_T_POST_ASSERT
:
179 psi_assert_stmt_free((void *) abstract_stmt
);
186 struct psi_decl_arg
*psi_impl_get_decl_arg(struct psi_impl
*impl
,
187 struct psi_decl_var
*var
)
189 struct psi_return_stmt
*ret
;
191 if (psi_plist_get(impl
->stmts
.ret
, 0, &ret
)) {
192 if (ret
->exp
->args
) {
194 struct psi_decl_var
*arg
;
196 while (psi_plist_get(ret
->exp
->args
, i
++, &arg
)) {
197 if (zend_string_equals(var
->name
, arg
->name
)) {
198 return var
->arg
= arg
->arg
;
204 return psi_decl_get_arg(impl
->decl
, var
);
207 struct psi_let_stmt
*psi_impl_get_let(struct psi_impl
*impl
,
208 struct psi_decl_var
* var
)
211 struct psi_let_stmt
*let
;
213 while (psi_plist_get(impl
->stmts
.let
, i
++, &let
)) {
214 if (let
->exp
->var
->arg
== var
->arg
) {
221 struct psi_impl_arg
*psi_impl_get_arg(struct psi_impl
*impl
,
222 struct psi_impl_var
* var
)
225 struct psi_impl_arg
*iarg
;
227 while (psi_plist_get(impl
->func
->args
, i
++, &iarg
)) {
228 if (zend_string_equals(var
->name
, iarg
->var
->name
)) {
229 return var
->arg
= iarg
;
235 struct psi_decl_arg
*psi_impl_get_temp_let_arg(struct psi_impl
*impl
,
236 struct psi_decl_var
* var
)
239 struct psi_let_stmt
*let
= NULL
;
241 while (psi_plist_get(impl
->stmts
.let
, j
++, &let
)) {
242 if (let
->exp
->kind
!= PSI_LET_TMP
) {
245 if (!zend_string_equals(let
->exp
->var
->name
, var
->name
)) {
248 return var
->arg
= let
->exp
->var
->arg
;