jerryscript/jerry-core/parser/js/deserializer.cpp
2015-02-17 19:08:55 +03:00

102 lines
2.2 KiB
C++

/* Copyright 2014 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "deserializer.h"
#include "bytecode-data.h"
#include "ecma-helpers.h"
const ecma_char_t *strings_buffer;
void
deserializer_set_strings_buffer (const ecma_char_t *s)
{
strings_buffer = s;
}
literal
deserialize_literal_by_id (literal_index_t id)
{
JERRY_ASSERT (id != INVALID_LITERAL);
JERRY_ASSERT (id < bytecode_data.literals_count);
return bytecode_data.literals[id];
}
literal_index_t
deserialize_lit_id_by_uid (uint8_t id, opcode_counter_t oc)
{
if (bytecode_data.lit_id_hash == null_hash)
{
return INVALID_LITERAL;
}
return lit_id_hash_table_lookup (bytecode_data.lit_id_hash, id, oc);
}
const void *
deserialize_bytecode (void)
{
JERRY_ASSERT (bytecode_data.opcodes != NULL);
return bytecode_data.opcodes;
}
opcode_t
deserialize_opcode (opcode_counter_t oc)
{
if (bytecode_data.opcodes == NULL)
{
return deserialize_op_meta (oc).op;
}
JERRY_ASSERT (oc < bytecode_data.opcodes_count);
return bytecode_data.opcodes[oc];
}
op_meta
deserialize_op_meta (opcode_counter_t oc)
{
JERRY_ASSERT (current_scope);
return scopes_tree_op_meta (current_scope, oc);
}
uint8_t
deserialize_min_temp (void)
{
return 128;
}
void
deserializer_init (void)
{
bytecode_data.literals = NULL;
strings_buffer = NULL;
bytecode_data.opcodes = NULL;
}
void
deserializer_free (void)
{
if (strings_buffer)
{
mem_heap_free_block ((uint8_t *) strings_buffer);
}
if (bytecode_data.lit_id_hash != NULL)
{
lit_id_hash_table_free (bytecode_data.lit_id_hash);
}
if (bytecode_data.literals != NULL)
{
mem_heap_free_block ((uint8_t *) bytecode_data.literals);
}
mem_heap_free_block ((uint8_t *) bytecode_data.opcodes);
}