mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
154 lines
3.5 KiB
C
154 lines
3.5 KiB
C
/* Copyright 2014 Samsung Electronics Co., Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "serializer.h"
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#include "parser.h"
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#include "jerry-libc.h"
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#include "bytecode-data.h"
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#include "deserializer.h"
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#include "pretty-printer.h"
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static bool print_opcodes;
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uint8_t *bytecode_data = NULL;
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void
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serializer_init (bool show_opcodes)
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{
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print_opcodes = show_opcodes;
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}
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uint16_t
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serializer_dump_strings (const char *strings[], uint8_t size)
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{
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uint8_t i;
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uint16_t offset = (uint16_t) (size * 2 + 1), res;
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if (print_opcodes)
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pp_strings (strings, size);
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for (i = 0; i < size; i++)
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{
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offset = (uint16_t) (offset + __strlen (strings[i]) + 1);
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}
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bytecode_data = mem_heap_alloc_block (offset, MEM_HEAP_ALLOC_SHORT_TERM);
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res = offset;
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bytecode_data[0] = size;
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offset = (uint16_t) (size * 2 + 1);
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for (i = 0; i < size; i++)
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{
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*((uint16_t *) (bytecode_data + i * 2 + 1)) = offset;
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offset = (uint16_t) (offset + __strlen (strings[i]) + 1);
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}
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for (i = 0; i < size; i++)
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{
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offset = *((uint16_t *) (bytecode_data + i * 2 + 1));
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__strncpy ((char *) (bytecode_data + offset), strings[i], __strlen (strings[i]) + 1);
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}
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#ifndef JERRY_NDEBUG
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for (i = 0; i < size; i++)
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{
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JERRY_ASSERT (!__strcmp (strings[i], (const char *) deserialize_string_by_id (i)));
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}
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#endif
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return res;
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}
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void
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serializer_dump_nums (const ecma_number_t nums[], uint8_t size, uint16_t offset, uint8_t strings_num)
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{
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uint8_t i, *data, type_size = sizeof (ecma_number_t);
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if (print_opcodes)
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pp_nums (nums, size, strings_num);
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data = mem_heap_alloc_block ((size_t) (offset + size * type_size + 1), MEM_HEAP_ALLOC_LONG_TERM);
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if (!data)
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parser_fatal (ERR_MEMORY);
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__memcpy (data, bytecode_data, offset);
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mem_heap_free_block (bytecode_data);
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bytecode_data = data;
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data += offset;
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data[0] = size;
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data++;
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for (i = 0; i < size; i++)
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{
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__memcpy (data, nums + i, type_size);
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data += type_size;
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}
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#ifndef JERRY_NDEBUG
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for (i = 0; i < size; i++)
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{
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JERRY_ASSERT (nums[i] == deserialize_num_by_id ((uint8_t) (i + strings_num)));
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}
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JERRY_ASSERT (deserialize_min_temp () == (uint8_t) (size + strings_num));
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#endif
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}
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static opcode_counter_t opcode_counter = 0;
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void
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serializer_dump_opcode (OPCODE opcode)
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{
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if (print_opcodes)
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pp_opcode (opcode_counter, opcode, false);
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JERRY_ASSERT( opcode_counter < MAX_OPCODES );
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bytecode_opcodes[opcode_counter++] = opcode;
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}
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void
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serializer_rewrite_opcode (const opcode_counter_t loc, OPCODE opcode)
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{
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JERRY_ASSERT( loc < MAX_OPCODES );
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bytecode_opcodes[loc] = opcode;
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if (print_opcodes)
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{
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pp_opcode (loc, opcode, true);
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}
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}
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void
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serializer_print_opcodes (void)
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{
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opcode_counter_t loc;
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if (!print_opcodes)
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return;
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__printf ("AFTER OPTIMIZER:\n");
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for (loc = 0; (*(uint32_t *) (bytecode_opcodes + loc) != 0x0); loc++)
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{
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pp_opcode (loc, bytecode_opcodes[loc], false);
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}
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}
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void
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serializer_free (void)
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{
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mem_heap_free_block( bytecode_data);
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bytecode_data = NULL;
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}
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