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Implement function destructuring argument support. (#3322)

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Furthermore create unmapped arguments objects if a function has a non-simple argument.
A few destructuring pattern issues were fixed as well.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2019-11-18 14:15:36 +01:00
committed by Dániel Bátyai
parent 359643b5b2
commit 8bdb32cc88
19 changed files with 753 additions and 202 deletions
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jerry-core/vm/vm.c
+6
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@@ -806,6 +806,7 @@ vm_init_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
#if ENABLED (JERRY_ES2015)
case CBC_CREATE_LET:
case CBC_CREATE_CONST:
case CBC_CREATE_DESTRUCTURED_ARG:
#endif /* ENABLED (JERRY_ES2015) */
{
uint32_t literal_index;
@@ -1832,10 +1833,15 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
}
case VM_OC_DEFAULT_INITIALIZER:
{
JERRY_ASSERT (stack_top_p > frame_ctx_p->registers_p + register_end);
if (stack_top_p[-1] != ECMA_VALUE_UNDEFINED)
{
byte_code_p = byte_code_start_p + branch_offset;
continue;
}
stack_top_p--;
continue;
}
case VM_OC_REST_INITIALIZER: