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Support shared user data for scripts (#4710)

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The same data is returned for the script and all of its functions,
including those which are created by an eval call.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2021-07-20 10:33:23 +02:00
committed by GitHub
parent 9ff25dbc12
commit 713d90b5a0
20 changed files with 780 additions and 126 deletions
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jerry-core/include/jerryscript-snapshot.h
+21 -2
View File
@@ -41,15 +41,33 @@ typedef enum
} jerry_generate_snapshot_opts_t;
/**
* Flags for jerry_exec_snapshot_at and jerry_load_function_snapshot_at.
* Flags for jerry_exec_snapshot.
*/
typedef enum
{
JERRY_SNAPSHOT_EXEC_COPY_DATA = (1u << 0), /**< copy snashot data */
JERRY_SNAPSHOT_EXEC_ALLOW_STATIC = (1u << 1), /**< static snapshots allowed */
JERRY_SNAPSHOT_EXEC_LOAD_AS_FUNCTION = (1u << 2), /**< load snapshot as function instead of executing it */
JERRY_SNAPSHOT_EXEC_HAS_RESOURCE = (1u << 3), /**< resource_name_p and resource_name_length fields are valid
* in jerry_exec_snapshot_option_values_t */
JERRY_SNAPSHOT_EXEC_HAS_USER_VALUE = (1u << 4), /**< user_value field is valid
* in jerry_exec_snapshot_option_values_t */
} jerry_exec_snapshot_opts_t;
/**
* Various configuration options for jerry_exec_snapshot.
*/
typedef struct
{
const jerry_char_t *resource_name_p; /**< resource name (usually a file name)
* if JERRY_SNAPSHOT_EXEC_HAS_RESOURCE is set in exec_snapshot_opts */
size_t resource_name_length; /**< length of resource name
* if JERRY_SNAPSHOT_EXEC_HAS_RESOURCE is set in exec_snapshot_opts */
jerry_value_t user_value; /**< user value assigned to all functions created by this script including
* eval calls executed by the script if JERRY_SNAPSHOT_EXEC_HAS_USER_VALUE
* is set in exec_snapshot_opts */
} jerry_exec_snapshot_option_values_t;
/**
* Snapshot functions.
*/
@@ -63,7 +81,8 @@ jerry_value_t jerry_generate_function_snapshot (const jerry_char_t *source_p, si
uint32_t *buffer_p, size_t buffer_size);
jerry_value_t jerry_exec_snapshot (const uint32_t *snapshot_p, size_t snapshot_size,
size_t func_index, uint32_t exec_snapshot_opts);
size_t func_index, uint32_t exec_snapshot_opts,
const jerry_exec_snapshot_option_values_t *options_values_p);
size_t jerry_merge_snapshots (const uint32_t **inp_buffers_p, size_t *inp_buffer_sizes_p, size_t number_of_snapshots,
uint32_t *out_buffer_p, size_t out_buffer_size, const char **error_p);