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Implement seeking in the pre-scanner info. (#3126)

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After changing the lexing position, the current
position of the scanner info must be moved as well.

Fixes #3101
Fixes #3102

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2019-09-17 17:28:11 +02:00
committed by Dániel Bátyai
parent 0eae2f6207
commit 40e63d1207
8 changed files with 177 additions and 48 deletions
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jerry-core/parser/js/js-parser-internal.h
+3
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@@ -369,6 +369,8 @@ typedef struct
/* Scanner members. */
scanner_info_t *next_scanner_info_p; /**< next scanner info block */
scanner_info_t *active_scanner_info_p; /**< currently active scanner info block */
scanner_info_t *skipped_scanner_info_p; /**< next scanner info block */
scanner_info_t *skipped_scanner_info_end_p; /**< currently active scanner info block */
/* Compact byte code members. */
cbc_argument_t last_cbc; /**< argument of the last cbc */
@@ -566,6 +568,7 @@ void scanner_release_next (parser_context_t *context_p, size_t size);
void scanner_set_active (parser_context_t *context_p);
void scanner_release_active (parser_context_t *context_p, size_t size);
void scanner_release_switch_cases (scanner_case_info_t *case_p);
void scanner_seek (parser_context_t *context_p);
void scanner_reverse_info_list (parser_context_t *context_p);
void scanner_cleanup (parser_context_t *context_p);