/* Postparser.
Init literal indexes 'hash' table.
Reorder function declarations.
Rewrite instructions' temporary uids with their keys in literal indexes 'hash' table. */
vm_instr_t *
scopes_tree_raw_data (scopes_tree tree, /**< scopes tree to convert to byte-code array */
uint8_t *buffer_p, /**< buffer for byte-code array and literal identifiers hash table */
size_t instructions_array_size, /**< size of space for byte-code array */
lit_id_hash_table *lit_ids) /**< literal identifiers hash table */
{
JERRY_ASSERT (lit_ids);
assert_tree (tree);
if (lit_id_to_uid != null_hash)
{
hash_table_free (lit_id_to_uid);
lit_id_to_uid = null_hash;
}
next_uid = 0;
global_oc = 0;
/* Dump bytecode and fill literal indexes 'hash' table. */
JERRY_ASSERT (instructions_array_size >=
sizeof (insts_data_header_t) + (size_t) (scopes_tree_count_instructions (tree)) * sizeof (vm_instr_t));
insts_data_header_t *opcodes_data = (insts_data_header_t *) buffer_p;
memset (opcodes_data, 0, instructions_array_size);
vm_instr_t *instrs = (vm_instr_t *)(((uint8_t*) opcodes_data) + sizeof (insts_data_header_t));
merge_subscopes (tree, instrs, lit_ids);
if (lit_id_to_uid != null_hash)
{
hash_table_free (lit_id_to_uid);
lit_id_to_uid = null_hash;
}
MEM_CP_SET_POINTER (opcodes_data->lit_id_hash_cp, lit_ids);
return instrs;
} /* scopes_tree_raw_data */
vm_instr_counter_t
scopes_tree_count_instructions (scopes_tree t)
{
assert_tree (t);
vm_instr_counter_t res = (vm_instr_counter_t) (t->instrs_count + t->var_decls_cout);
for (uint8_t i = 0; i < t->t.children_num; i++)
{
res = (vm_instr_counter_t) (
res + scopes_tree_count_instructions (
*(scopes_tree *) linked_list_element (t->t.children, i)));
}
return res;
}
const vm_instr_t *
serializer_merge_scopes_into_bytecode (void)
{
bytecode_data.instrs_count = scopes_tree_count_instructions (current_scope);
const size_t buckets_count = scopes_tree_count_literals_in_blocks (current_scope);
const size_t blocks_count = (size_t) bytecode_data.instrs_count / BLOCK_SIZE + 1;
const vm_instr_counter_t instrs_count = scopes_tree_count_instructions (current_scope);
const size_t bytecode_array_size = JERRY_ALIGNUP (sizeof (insts_data_header_t) + instrs_count * sizeof (vm_instr_t),
MEM_ALIGNMENT);
const size_t lit_id_hash_table_size = JERRY_ALIGNUP (lit_id_hash_table_get_size_for_table (buckets_count,
blocks_count),
MEM_ALIGNMENT);
uint8_t *buffer_p = (uint8_t*) mem_heap_alloc_block (bytecode_array_size + lit_id_hash_table_size,
MEM_HEAP_ALLOC_LONG_TERM);
lit_id_hash_table *lit_id_hash = lit_id_hash_table_init (buffer_p + bytecode_array_size,
lit_id_hash_table_size,
buckets_count, blocks_count);
const vm_instr_t *instrs_p = scopes_tree_raw_data (current_scope, buffer_p, bytecode_array_size, lit_id_hash);
insts_data_header_t *header_p = (insts_data_header_t*) buffer_p;
MEM_CP_SET_POINTER (header_p->next_instrs_cp, bytecode_data.instrs_p);
header_p->instructions_number = instrs_count;
bytecode_data.instrs_p = instrs_p;
if (print_instrs)
{
lit_dump_literals ();
serializer_print_instrs (instrs_p, bytecode_data.instrs_count);
}
return instrs_p;
}
/**
* Merge scopes tree into bytecode
*
* @return pointer to generated bytecode
*/
const bytecode_data_header_t *
serializer_merge_scopes_into_bytecode (void)
{
const size_t buckets_count = scopes_tree_count_literals_in_blocks (current_scope);
const vm_instr_counter_t instrs_count = scopes_tree_count_instructions (current_scope);
const size_t blocks_count = JERRY_ALIGNUP (instrs_count, BLOCK_SIZE) / BLOCK_SIZE;
const size_t bytecode_size = JERRY_ALIGNUP (instrs_count * sizeof (vm_instr_t), MEM_ALIGNMENT);
const size_t hash_table_size = lit_id_hash_table_get_size_for_table (buckets_count, blocks_count);
const size_t header_and_hash_table_size = JERRY_ALIGNUP (sizeof (bytecode_data_header_t) + hash_table_size,
MEM_ALIGNMENT);
uint8_t *buffer_p = (uint8_t*) mem_heap_alloc_block (bytecode_size + header_and_hash_table_size,
MEM_HEAP_ALLOC_LONG_TERM);
lit_id_hash_table *lit_id_hash = lit_id_hash_table_init (buffer_p + sizeof (bytecode_data_header_t),
hash_table_size,
buckets_count, blocks_count);
vm_instr_t *bytecode_p = scopes_tree_raw_data (current_scope,
buffer_p + header_and_hash_table_size,
bytecode_size,
lit_id_hash);
bytecode_data_header_t *header_p = (bytecode_data_header_t *) buffer_p;
MEM_CP_SET_POINTER (header_p->lit_id_hash_cp, lit_id_hash);
header_p->instrs_p = bytecode_p;
header_p->instrs_count = instrs_count;
MEM_CP_SET_POINTER (header_p->next_header_cp, first_bytecode_header_p);
first_bytecode_header_p = header_p;
if (print_instrs)
{
lit_dump_literals ();
serializer_print_instrs (header_p);
}
return header_p;
} /* serializer_merge_scopes_into_bytecode */
vm_instr_counter_t
serializer_count_instrs_in_subscopes (void)
{
return (vm_instr_counter_t) (scopes_tree_count_instructions (current_scope) - scopes_tree_instrs_num (current_scope));
}
