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Refactor JSON builtin methods (#3031)

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JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu
This commit is contained in:
Dániel Bátyai
2019-09-05 01:25:19 +02:00
committed by GitHub
parent 1088273bc3
commit 8bccbbf08f
6 changed files with 958 additions and 1284 deletions
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jerry-core/ecma/base/ecma-helpers-string.c
+64 -1
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@@ -2568,6 +2568,56 @@ ecma_stringbuilder_grow (ecma_stringbuilder_t *builder_p, /**< string builder */
return ((lit_utf8_byte_t *) header_p) + header_p->current_size - required_size;
} /* ecma_stringbuilder_grow */
/**
* Get the current size of the string in a string builder
*
* @return the size of the string data
*/
lit_utf8_size_t
ecma_stringbuilder_get_size (ecma_stringbuilder_t *builder_p) /**< string builder */
{
ecma_stringbuilder_header_t *header_p = builder_p->header_p;
JERRY_ASSERT (header_p != NULL);
return ECMA_STRINGBUILDER_STRING_SIZE (header_p);
} /* ecma_stringbuilder_get_size */
/**
* Get pointer to the raw string data in a string builder
*
* @return pointer to the string data
*/
lit_utf8_byte_t *
ecma_stringbuilder_get_data (ecma_stringbuilder_t *builder_p) /**< string builder */
{
ecma_stringbuilder_header_t *header_p = builder_p->header_p;
JERRY_ASSERT (header_p != NULL);
return ECMA_STRINGBUILDER_STRING_PTR (header_p);
} /* ecma_stringbuilder_get_data */
/**
* Revert the string builder to a smaller size
*/
void
ecma_stringbuilder_revert (ecma_stringbuilder_t *builder_p, /**< string builder */
const lit_utf8_size_t size) /**< new size */
{
ecma_stringbuilder_header_t *header_p = builder_p->header_p;
JERRY_ASSERT (header_p != NULL);
const lit_utf8_size_t new_size = size + (lit_utf8_size_t) (sizeof (ecma_ascii_string_t));
JERRY_ASSERT (new_size <= header_p->current_size);
#if ENABLED (JERRY_MEM_STATS)
jmem_stats_free_string_bytes (header_p->current_size - new_size);
#endif /* ENABLED (JERRY_MEM_STATS) */
header_p = jmem_heap_realloc_block (header_p, header_p->current_size, new_size);
header_p->current_size = new_size;
builder_p->header_p = header_p;
} /* ecma_stringbuilder_revert */
/**
* Append an ecma_string_t to a string builder
*/
@@ -2623,6 +2673,17 @@ ecma_stringbuilder_append_char (ecma_stringbuilder_t *builder_p, /**< string bui
lit_char_to_utf8_bytes (dest_p, c);
} /* ecma_stringbuilder_append_char */
/**
* Append a single byte to a string builder
*/
void
ecma_stringbuilder_append_byte (ecma_stringbuilder_t *builder_p, /**< string builder */
const lit_utf8_byte_t byte) /**< byte */
{
lit_utf8_byte_t *dest_p = ecma_stringbuilder_grow (builder_p, 1);
*dest_p = byte;
} /* ecma_stringbuilder_append_byte */
/**
* Finalize a string builder, returning the created string, and releasing the underlying buffer.
*
@@ -2675,7 +2736,9 @@ ecma_stringbuilder_finalize (ecma_stringbuilder_t *builder_p) /**< string builde
const size_t utf8_string_size = string_size + container_size;
header_p = jmem_heap_realloc_block (header_p, header_p->current_size, utf8_string_size);
memmove (((lit_utf8_byte_t *) header_p + container_size), string_begin_p, string_size);
memmove (((lit_utf8_byte_t *) header_p + container_size),
ECMA_STRINGBUILDER_STRING_PTR (header_p),
string_size);
#if ENABLED (JERRY_MEM_STATS)
jmem_stats_allocate_string_bytes (container_size - sizeof (ecma_ascii_string_t));
jerry-core/ecma/base/ecma-helpers.h
+4
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@@ -319,12 +319,16 @@ ecma_string_t *ecma_string_trim (const ecma_string_t *string_p);
ecma_stringbuilder_t ecma_stringbuilder_create (void);
ecma_stringbuilder_t ecma_stringbuilder_create_from (ecma_string_t *string_p);
lit_utf8_size_t ecma_stringbuilder_get_size (ecma_stringbuilder_t *builder_p);
lit_utf8_byte_t *ecma_stringbuilder_get_data (ecma_stringbuilder_t *builder_p);
void ecma_stringbuilder_revert (ecma_stringbuilder_t *builder_p, const lit_utf8_size_t size);
void ecma_stringbuilder_append (ecma_stringbuilder_t *builder_p, const ecma_string_t *string_p);
void ecma_stringbuilder_append_magic (ecma_stringbuilder_t *builder_p, const lit_magic_string_id_t id);
void ecma_stringbuilder_append_raw (ecma_stringbuilder_t *builder_p,
const lit_utf8_byte_t *data_p,
const lit_utf8_size_t data_size);
void ecma_stringbuilder_append_char (ecma_stringbuilder_t *builder_p, const ecma_char_t c);
void ecma_stringbuilder_append_byte (ecma_stringbuilder_t *builder_p, const lit_utf8_byte_t);
ecma_string_t *ecma_stringbuilder_finalize (ecma_stringbuilder_t *builder_p);
void ecma_stringbuilder_destroy (ecma_stringbuilder_t *builder_p);
jerry-core/ecma/builtin-objects/ecma-builtin-helpers-json.c
+2 -142
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@@ -64,12 +64,8 @@ ecma_json_has_object_in_stack (ecma_json_occurence_stack_item_t *stack_p, /**< s
*/
bool
ecma_has_string_value_in_collection (ecma_collection_header_t *collection_p, /**< collection */
ecma_value_t string_value) /**< string value */
ecma_string_t *string_p) /**< string */
{
JERRY_ASSERT (ecma_is_value_string (string_value));
ecma_string_t *string_p = ecma_get_string_from_value (string_value);
ecma_value_t *ecma_value_p = ecma_collection_iterator_init (collection_p);
while (ecma_value_p != NULL)
@@ -85,143 +81,7 @@ ecma_has_string_value_in_collection (ecma_collection_header_t *collection_p, /**
}
return false;
} /* ecma_has_string_value_in_collection*/
/**
* Common function to concatenate key-value pairs into an ecma-string.
*
* See also:
* ECMA-262 v5, 15.12.3
*
* Used by:
* - ecma_builtin_helper_json_create_formatted_json step 10.b.ii
* - ecma_builtin_helper_json_create_non_formatted_json step 10.a.i
*
* @return pointer to ecma-string
* Returned value must be freed with ecma_deref_ecma_string.
*/
static ecma_string_t *
ecma_builtin_helper_json_create_separated_properties (ecma_collection_header_t *partial_p, /**< key-value pairs*/
ecma_string_t *separator_p) /**< separator*/
{
ecma_string_t *properties_str_p = ecma_get_magic_string (LIT_MAGIC_STRING__EMPTY);
ecma_value_t *ecma_value_p = ecma_collection_iterator_init (partial_p);
bool first = true;
while (ecma_value_p != NULL)
{
ecma_string_t *current_p = ecma_get_string_from_value (*ecma_value_p);
ecma_value_p = ecma_collection_iterator_next (ecma_value_p);
if (JERRY_LIKELY (!first))
{
properties_str_p = ecma_concat_ecma_strings (properties_str_p, separator_p);
}
properties_str_p = ecma_concat_ecma_strings (properties_str_p, current_p);
first = false;
}
return properties_str_p;
} /* ecma_builtin_helper_json_create_separated_properties */
/**
* Common function to create a formatted JSON string.
*
* See also:
* ECMA-262 v5, 15.12.3
*
* Used by:
* - ecma_builtin_json_object step 10.b
* - ecma_builtin_json_array step 10.b
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
ecma_value_t
ecma_builtin_helper_json_create_formatted_json (lit_utf8_byte_t left_bracket, /**< left bracket character */
lit_utf8_byte_t right_bracket, /**< right bracket character */
ecma_string_t *stepback_p, /**< stepback*/
ecma_collection_header_t *partial_p, /**< key-value pairs*/
ecma_json_stringify_context_t *context_p) /**< context*/
{
JERRY_ASSERT (left_bracket < LIT_UTF8_1_BYTE_CODE_POINT_MAX
&& right_bracket < LIT_UTF8_1_BYTE_CODE_POINT_MAX);
/* 10.b.i */
lit_utf8_byte_t chars[2] = { LIT_CHAR_COMMA, LIT_CHAR_LF };
ecma_string_t *separator_p = ecma_new_ecma_string_from_utf8 (chars, 2);
separator_p = ecma_concat_ecma_strings (separator_p, context_p->indent_str_p);
/* 10.b.ii */
ecma_string_t *properties_str_p = ecma_builtin_helper_json_create_separated_properties (partial_p, separator_p);
ecma_deref_ecma_string (separator_p);
/* 10.b.iii */
chars[0] = left_bracket;
ecma_string_t *final_str_p = ecma_new_ecma_string_from_utf8 (chars, 2);
final_str_p = ecma_concat_ecma_strings (final_str_p, context_p->indent_str_p);
final_str_p = ecma_concat_ecma_strings (final_str_p, properties_str_p);
ecma_deref_ecma_string (properties_str_p);
chars[0] = LIT_CHAR_LF;
final_str_p = ecma_append_chars_to_string (final_str_p, chars, 1, 1);
final_str_p = ecma_concat_ecma_strings (final_str_p, stepback_p);
chars[0] = right_bracket;
final_str_p = ecma_append_chars_to_string (final_str_p, chars, 1, 1);
return ecma_make_string_value (final_str_p);
} /* ecma_builtin_helper_json_create_formatted_json */
/**
* Common function to create a non-formatted JSON string.
*
* See also:
* ECMA-262 v5, 15.12.3
*
* Used by:
* - ecma_builtin_json_object step 10.a
* - ecma_builtin_json_array step 10.a
*
* @return ecma value
* Returned value must be freed with ecma_free_value.
*/
ecma_value_t
ecma_builtin_helper_json_create_non_formatted_json (lit_utf8_byte_t left_bracket, /**< left bracket character */
lit_utf8_byte_t right_bracket, /**< right bracket character */
ecma_collection_header_t *partial_p) /**< key-value pairs */
{
JERRY_ASSERT (left_bracket < LIT_UTF8_1_BYTE_CODE_POINT_MAX
&& right_bracket < LIT_UTF8_1_BYTE_CODE_POINT_MAX);
/* 10.a */
ecma_string_t *comma_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_COMMA_CHAR);
ecma_string_t *properties_str_p;
/* 10.a.i */
properties_str_p = ecma_builtin_helper_json_create_separated_properties (partial_p, comma_str_p);
/* 10.a.ii */
ecma_string_t *result_str_p = ecma_new_ecma_string_from_code_unit (left_bracket);
result_str_p = ecma_concat_ecma_strings (result_str_p, properties_str_p);
ecma_deref_ecma_string (properties_str_p);
lit_utf8_byte_t chars[1] = { right_bracket };
result_str_p = ecma_append_chars_to_string (result_str_p, chars, 1, 1);
return ecma_make_string_value (result_str_p);
} /* ecma_builtin_helper_json_create_non_formatted_json */
} /* ecma_has_string_value_in_collection */
#endif /* ENABLED (JERRY_BUILTIN_JSON) */
jerry-core/ecma/builtin-objects/ecma-builtin-helpers.h
+5 -2
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@@ -159,20 +159,23 @@ typedef struct
ecma_json_occurence_stack_item_t *occurence_stack_last_p;
/** The actual indentation text. */
ecma_string_t *indent_str_p;
ecma_stringbuilder_t indent_builder;
/** The indentation text. */
ecma_string_t *gap_str_p;
/** The replacer function. */
ecma_object_t *replacer_function_p;
/** Result string builder. */
ecma_stringbuilder_t result_builder;
} ecma_json_stringify_context_t;
ecma_value_t ecma_builtin_json_parse_buffer (const lit_utf8_byte_t * str_start_p,
lit_utf8_size_t string_size);
ecma_value_t ecma_builtin_json_string_from_object (const ecma_value_t arg1);
bool ecma_json_has_object_in_stack (ecma_json_occurence_stack_item_t *stack_p, ecma_object_t *object_p);
bool ecma_has_string_value_in_collection (ecma_collection_header_t *collection_p, ecma_value_t string_value);
bool ecma_has_string_value_in_collection (ecma_collection_header_t *collection_p, ecma_string_t *string_p);
ecma_value_t
ecma_builtin_helper_json_create_formatted_json (lit_utf8_byte_t left_bracket, lit_utf8_byte_t right_bracket,
jerry-core/ecma/builtin-objects/ecma-builtin-json.c
+814 -1067
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File diff suppressed because it is too large Load Diff
jerry-core/jmem/jmem-heap.c
-3
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@@ -633,10 +633,7 @@ jmem_heap_realloc_block (void *ptr, /**< memory region to reallocate */
/* jmem_heap_alloc_block_internal may trigger garbage collection, which can create new free blocks
* in the heap structure, so we need to look up the previous block again. */
if (JERRY_UNLIKELY (JERRY_CONTEXT (ecma_gc_new_objects) == 0))
{
prev_p = jmem_heap_find_prev (block_p);
}
memcpy (ret_block_p, block_p, old_size);
jmem_heap_insert_block (block_p, prev_p, aligned_old_size);