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Introduce jsp_label_remove_all_labels interface that removes all jump labels registered at the moment of call for usage upon raise of SyntaxError during parse.

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JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
This commit is contained in:
Ruben Ayrapetyan 2015-06-19 00:11:25 +03:00
parent bd9d1d4afd
commit 9b0f5d439d
2 changed files with 14 additions and 0 deletions
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12
jerry-core/parser/js/jsp-label.cpp
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@ -47,6 +47,18 @@ jsp_label_finalize (void)
JERRY_ASSERT (label_set_p == NULL); JERRY_ASSERT (label_set_p == NULL);
} /* jsp_label_finalize */ } /* jsp_label_finalize */
/**
* Remove all labels
*
* Note:
* should be used only upon a SyntaxError is raised
*/
void
jsp_label_remove_all_labels (void)
{
label_set_p = NULL;
} /* jsp_label_remove_all_labels */
/** /**
* Add label to the current label set * Add label to the current label set
*/ */

2
jerry-core/parser/js/jsp-label.h
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@ -67,6 +67,8 @@ typedef struct jsp_label_t
extern void jsp_label_init (void); extern void jsp_label_init (void);
extern void jsp_label_finalize (void); extern void jsp_label_finalize (void);
extern void jsp_label_remove_all_labels (void);
extern void jsp_label_push (jsp_label_t *out_label_p, jsp_label_type_flag_t type_mask, token id); extern void jsp_label_push (jsp_label_t *out_label_p, jsp_label_type_flag_t type_mask, token id);
extern void jsp_label_rewrite_jumps_and_pop (jsp_label_t *label_p, opcode_counter_t break_tgt_oc); extern void jsp_label_rewrite_jumps_and_pop (jsp_label_t *label_p, opcode_counter_t break_tgt_oc);