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Implement the spread operator for array initialization (#3265)

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JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-11-04 16:36:58 +01:00
committed by Dániel Bátyai
parent fc3cfc4fdc
commit 6f83da4c0b
12 changed files with 417 additions and 10 deletions
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jerry-core/vm/vm.c
+24 -2
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@@ -31,6 +31,7 @@
#include "ecma-objects-general.h"
#include "ecma-regexp-object.h"
#include "ecma-try-catch-macro.h"
#include "ecma-spread-object.h"
#include "jcontext.h"
#include "opcodes.h"
#include "vm.h"
@@ -1774,6 +1775,11 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
goto error;
}
case VM_OC_CREATE_SPREAD_OBJECT:
{
*stack_top_p++ = ecma_op_create_spread_object (left_value);
goto free_left_value;
}
#endif /* ENABLED (JERRY_ES2015) */
case VM_OC_PUSH_ELISON:
{
@@ -1782,9 +1788,25 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
}
case VM_OC_APPEND_ARRAY:
{
uint8_t values_length = *byte_code_p++;
uint16_t values_length = *byte_code_p++;
stack_top_p -= values_length;
opfunc_append_array (stack_top_p, values_length);
#if ENABLED (JERRY_ES2015)
if (*byte_code_start_p == CBC_EXT_OPCODE)
{
values_length = (uint16_t) (values_length | OPFUNC_HAS_SPREAD_ELEMENT);
}
#endif /* ENABLED (JERRY_ES2015) */
result = opfunc_append_array (stack_top_p, values_length);
#if ENABLED (JERRY_ES2015)
if (ECMA_IS_VALUE_ERROR (result))
{
goto error;
}
#else /* !ENABLED (JERRY_ES2015) */
JERRY_ASSERT (ecma_is_value_empty (result));
#endif /* ENABLED (JERRY_ES2015) */
continue;
}
case VM_OC_PUSH_UNDEFINED_BASE: