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1 /* Copyright JS Foundation and other contributors, http://js.foundation
2  *
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef ECMA_LIT_STORAGE_H
17 #define ECMA_LIT_STORAGE_H
18 
19 #include "ecma-globals.h"
20 #include "jmem.h"
21 #include "lit-globals.h"
22 
23 /** \addtogroup ecma ECMA
24  * @{
25  *
26  * \addtogroup ecmalitstorage Literal storage
27  * @{
28  */
29 
30 #if ENABLED (JERRY_SNAPSHOT_SAVE)
31 /**
32  * Snapshot literal - offset map
33  */
34 typedef struct
35 {
36   ecma_value_t literal_id; /**< literal id */
37   ecma_value_t literal_offset; /**< literal offset */
38 } lit_mem_to_snapshot_id_map_entry_t;
39 #endif /* ENABLED (JERRY_SNAPSHOT_SAVE) */
40 
41 void ecma_finalize_lit_storage (void);
42 
43 ecma_value_t ecma_find_or_create_literal_string (const lit_utf8_byte_t *chars_p, lit_utf8_size_t size);
44 ecma_value_t ecma_find_or_create_literal_number (ecma_number_t number_arg);
45 
46 #if ENABLED (JERRY_SNAPSHOT_SAVE)
47 void ecma_save_literals_append_value (ecma_value_t value, ecma_collection_t *lit_pool_p);
48 void ecma_save_literals_add_compiled_code (const ecma_compiled_code_t *compiled_code_p,
49                                            ecma_collection_t *lit_pool_p);
50 bool ecma_save_literals_for_snapshot (ecma_collection_t *lit_pool_p, uint32_t *buffer_p, size_t buffer_size,
51                                       size_t *in_out_buffer_offset_p, lit_mem_to_snapshot_id_map_entry_t **out_map_p,
52                                       uint32_t *out_map_len_p);
53 #endif /* ENABLED (JERRY_SNAPSHOT_SAVE) */
54 
55 #if ENABLED (JERRY_SNAPSHOT_EXEC) || ENABLED (JERRY_SNAPSHOT_SAVE)
56 ecma_value_t
57 ecma_snapshot_get_literal (const uint8_t *literal_base_p, ecma_value_t literal_value);
58 #endif /* ENABLED (JERRY_SNAPSHOT_EXEC) || ENABLED (JERRY_SNAPSHOT_SAVE) */
59 
60 /**
61  * @}
62  * @}
63  */
64 
65 #endif /* !ECMA_LIT_STORAGE_H */
66