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Rework ecma collection (#3086)

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After this patch the ecma value collection is a resizable buffer of ecma-values where the adjacent elements are allocated next to each other.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-09-12 13:05:24 +02:00
committed by Zoltan Herczeg
parent f3d3c34c30
commit fc30f003ba
35 changed files with 511 additions and 776 deletions
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jerry-core/api/jerry-snapshot.c
+18 -21
View File
@@ -795,7 +795,7 @@ jerry_generate_snapshot_with_args (const jerry_char_t *resource_name_p, /**< scr
if (!(generate_snapshot_opts & JERRY_SNAPSHOT_SAVE_STATIC))
{
ecma_collection_header_t *lit_pool_p = ecma_new_values_collection ();
ecma_collection_t *lit_pool_p = ecma_new_collection ();
ecma_save_literals_add_compiled_code (bytecode_data_p, lit_pool_p);
@@ -1048,7 +1048,7 @@ jerry_exec_snapshot (const uint32_t *snapshot_p, /**< snapshot */
static void
scan_snapshot_functions (const uint8_t *buffer_p, /**< snapshot buffer start */
const uint8_t *buffer_end_p, /**< snapshot buffer end */
ecma_collection_header_t *lit_pool_p, /**< list of known values */
ecma_collection_t *lit_pool_p, /**< list of known values */
const uint8_t *literal_base_p) /**< start of literal data */
{
JERRY_ASSERT (buffer_end_p > buffer_p);
@@ -1225,14 +1225,14 @@ jerry_merge_snapshots (const uint32_t **inp_buffers_p, /**< array of (pointers t
return 0;
}
ecma_collection_header_t *lit_pool_p = ecma_new_values_collection ();
ecma_collection_t *lit_pool_p = ecma_new_collection ();
for (uint32_t i = 0; i < number_of_snapshots; i++)
{
if (inp_buffer_sizes_p[i] < sizeof (jerry_snapshot_header_t))
{
*error_p = "invalid snapshot file";
ecma_free_values_collection (lit_pool_p, ECMA_COLLECTION_NO_COPY);
ecma_collection_destroy (lit_pool_p);
return 0;
}
@@ -1243,7 +1243,7 @@ jerry_merge_snapshots (const uint32_t **inp_buffers_p, /**< array of (pointers t
|| !snapshot_check_global_flags (header_p->global_flags))
{
*error_p = "invalid snapshot version or unsupported features present";
ecma_free_values_collection (lit_pool_p, ECMA_COLLECTION_NO_COPY);
ecma_collection_destroy (lit_pool_p);
return 0;
}
@@ -1271,7 +1271,7 @@ jerry_merge_snapshots (const uint32_t **inp_buffers_p, /**< array of (pointers t
if (functions_size >= out_buffer_size)
{
*error_p = "output buffer is too small";
ecma_free_values_collection (lit_pool_p, ECMA_COLLECTION_NO_COPY);
ecma_collection_destroy (lit_pool_p);
return 0;
}
@@ -1615,21 +1615,21 @@ jerry_get_literals_from_snapshot (const uint32_t *snapshot_p, /**< input snapsho
JERRY_ASSERT ((header_p->lit_table_offset % sizeof (uint32_t)) == 0);
const uint8_t *literal_base_p = snapshot_data_p + header_p->lit_table_offset;
ecma_collection_header_t *lit_pool_p = ecma_new_values_collection ();
ecma_collection_t *lit_pool_p = ecma_new_collection ();
scan_snapshot_functions (snapshot_data_p + header_p->func_offsets[0],
literal_base_p,
lit_pool_p,
literal_base_p);
lit_utf8_size_t literal_count = 0;
ecma_value_t *iterator_p = ecma_collection_iterator_init (lit_pool_p);
ecma_value_t *buffer_p = lit_pool_p->buffer_p;
/* Count the valid and non-magic identifiers in the list. */
while (iterator_p != NULL)
for (uint32_t i = 0; i < lit_pool_p->item_count; i++)
{
if (ecma_is_value_string (*iterator_p))
if (ecma_is_value_string (buffer_p[i]))
{
ecma_string_t *literal_p = ecma_get_string_from_value (*iterator_p);
ecma_string_t *literal_p = ecma_get_string_from_value (buffer_p[i]);
/* NOTE:
* We don't save a literal (in C format) which isn't a valid
@@ -1643,13 +1643,11 @@ jerry_get_literals_from_snapshot (const uint32_t *snapshot_p, /**< input snapsho
literal_count++;
}
}
iterator_p = ecma_collection_iterator_next (iterator_p);
}
if (literal_count == 0)
{
ecma_free_values_collection (lit_pool_p, ECMA_COLLECTION_NO_COPY);
ecma_collection_destroy (lit_pool_p);
return 0;
}
@@ -1659,13 +1657,14 @@ jerry_get_literals_from_snapshot (const uint32_t *snapshot_p, /**< input snapsho
JMEM_DEFINE_LOCAL_ARRAY (literal_array, literal_count, ecma_string_t *);
lit_utf8_size_t literal_idx = 0;
iterator_p = ecma_collection_iterator_init (lit_pool_p);
buffer_p = lit_pool_p->buffer_p;
while (iterator_p != NULL)
/* Count the valid and non-magic identifiers in the list. */
for (uint32_t i = 0; i < lit_pool_p->item_count; i++)
{
if (ecma_is_value_string (*iterator_p))
if (ecma_is_value_string (buffer_p[i]))
{
ecma_string_t *literal_p = ecma_get_string_from_value (*iterator_p);
ecma_string_t *literal_p = ecma_get_string_from_value (buffer_p[i]);
/* NOTE:
* We don't save a literal (in C format) which isn't a valid
@@ -1679,11 +1678,9 @@ jerry_get_literals_from_snapshot (const uint32_t *snapshot_p, /**< input snapsho
literal_array[literal_idx++] = literal_p;
}
}
iterator_p = ecma_collection_iterator_next (iterator_p);
}
ecma_free_values_collection (lit_pool_p, ECMA_COLLECTION_NO_COPY);
ecma_collection_destroy (lit_pool_p);
/* Sort the strings by size at first, then lexicographically. */
jerry_save_literals_sort (literal_array, literal_count);