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Support parsing of scripts / functions stored in string values (#4728)

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Function arguments must be passed as string values.
Snapshots are generated from compiled code rather than source code.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2021-08-11 17:37:12 +02:00
committed by GitHub
parent b7dead7b05
commit 3ed93cfb51
24 changed files with 601 additions and 696 deletions
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jerry-core/parser/js/js-scanner.c
+12 -15
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@@ -2463,11 +2463,7 @@ scanner_scan_statement_end (parser_context_t *context_p, /**< context */
* Scan the whole source code.
*/
void JERRY_ATTR_NOINLINE
scanner_scan_all (parser_context_t *context_p, /**< context */
const uint8_t *arg_list_p, /**< function argument list */
const uint8_t *arg_list_end_p, /**< end of argument list */
const uint8_t *source_p, /**< valid UTF-8 source code */
const uint8_t *source_end_p) /**< end of source code */
scanner_scan_all (parser_context_t *context_p) /**< context */
{
scanner_context_t scanner_context;
@@ -2507,10 +2503,10 @@ scanner_scan_all (parser_context_t *context_p, /**< context */
PARSER_TRY (context_p->try_buffer)
{
if (arg_list_p == NULL)
if (context_p->arguments_start_p == NULL)
{
context_p->source_p = source_p;
context_p->source_end_p = source_end_p;
context_p->source_p = context_p->source_start_p;
context_p->source_end_p = context_p->source_start_p + context_p->source_size;
uint16_t status_flags = (SCANNER_LITERAL_POOL_FUNCTION
| SCANNER_LITERAL_POOL_NO_ARGUMENTS
@@ -2522,7 +2518,7 @@ scanner_scan_all (parser_context_t *context_p, /**< context */
}
scanner_literal_pool_t *literal_pool_p = scanner_push_literal_pool (context_p, &scanner_context, status_flags);
literal_pool_p->source_p = source_p;
literal_pool_p->source_p = context_p->source_start_p;
parser_stack_push_uint8 (context_p, SCAN_STACK_SCRIPT);
@@ -2531,8 +2527,8 @@ scanner_scan_all (parser_context_t *context_p, /**< context */
}
else
{
context_p->source_p = arg_list_p;
context_p->source_end_p = arg_list_end_p;
context_p->source_p = context_p->arguments_start_p;
context_p->source_end_p = context_p->arguments_start_p + context_p->arguments_size;
uint16_t status_flags = SCANNER_LITERAL_POOL_FUNCTION;
@@ -3115,8 +3111,8 @@ scanner_scan_all (parser_context_t *context_p, /**< context */
scanner_context.end_arguments_p = scanner_info_p;
context_p->next_scanner_info_p = scanner_info_p;
context_p->source_p = source_p;
context_p->source_end_p = source_end_p;
context_p->source_p = context_p->source_start_p;
context_p->source_end_p = context_p->source_start_p + context_p->source_size;
lexer_init_line_info (context_p);
#if JERRY_ESNEXT
@@ -3525,7 +3521,8 @@ scan_completed:
if (context_p->is_show_opcodes)
{
scanner_info_t *info_p = context_p->next_scanner_info_p;
const uint8_t *source_start_p = (arg_list_p == NULL) ? source_p : arg_list_p;
const uint8_t *source_start_p = (context_p->arguments_start_p == NULL ? context_p->source_start_p
: context_p->arguments_start_p);
while (info_p->type != SCANNER_TYPE_END)
{
@@ -3537,7 +3534,7 @@ scan_completed:
case SCANNER_TYPE_END_ARGUMENTS:
{
JERRY_DEBUG_MSG (" END_ARGUMENTS\n");
source_start_p = source_p;
source_start_p = context_p->source_start_p;
break;
}
case SCANNER_TYPE_FUNCTION: