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Improve destructuring patterns (#4527)

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- Fix evaluation order of the operands
- Implement proper iterator closing of array destructuring
- Support next method caching

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2021-02-04 13:11:11 +01:00
committed by GitHub
parent 3bb67397a0
commit e7d11eaf9e
12 changed files with 389 additions and 354 deletions
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jerry-core/vm/vm.h
+10 -10
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@@ -275,16 +275,16 @@ typedef enum
VM_OC_PUSH_SPREAD_ELEMENT, /**< push spread element */
VM_OC_PUSH_REST_OBJECT, /**< push rest object */
VM_OC_GET_ITERATOR, /**< GetIterator abstract operation */
VM_OC_ITERATOR_CONTEXT_CREATE, /**< create iterator conext */
VM_OC_ITERATOR_CONTEXT_END, /**< finalize iterator cotnext */
VM_OC_ITERATOR_STEP, /**< IteratorStep abstract operation */
VM_OC_ITERATOR_CLOSE, /**< IteratorClose abstract operation */
VM_OC_INITIALIZER_PUSH_LIST, /**< push name list array */
VM_OC_INITIALIZER_PUSH_REST, /**< push the object with the rest properties */
VM_OC_OBJ_INIT_CONTEXT_CREATE, /**< create object initializer context */
VM_OC_OBJ_INIT_CONTEXT_END, /**< finalize object initializer context */
VM_OC_OBJ_INIT_PUSH_REST, /**< push the object with the rest properties */
VM_OC_INITIALIZER_PUSH_NAME, /**< append string to name list array and push the string */
VM_OC_DEFAULT_INITIALIZER, /**< default initializer inside a pattern */
VM_OC_REST_INITIALIZER, /**< create rest object inside an array pattern */
VM_OC_INITIALIZER_PUSH_PROP, /**< push property for object initializer */
VM_OC_MOVE, /**< move element to the stack-top */
VM_OC_SPREAD_ARGUMENTS, /**< perform function call/construct with spreaded arguments */
VM_OC_CREATE_GENERATOR, /**< create a generator object */
VM_OC_YIELD, /**< yield operation */
@@ -362,16 +362,16 @@ typedef enum
VM_OC_PUSH_SPREAD_ELEMENT = VM_OC_NONE, /**< push spread element */
VM_OC_PUSH_REST_OBJECT = VM_OC_NONE, /**< push rest object */
VM_OC_GET_ITERATOR = VM_OC_NONE, /**< GetIterator abstract operation */
VM_OC_ITERATOR_CONTEXT_CREATE = VM_OC_NONE, /**< create iterator context */
VM_OC_ITERATOR_STEP = VM_OC_NONE, /**< IteratorStep abstract operation */
VM_OC_ITERATOR_CLOSE = VM_OC_NONE, /**< IteratorClose abstract operation */
VM_OC_INITIALIZER_PUSH_LIST = VM_OC_NONE, /**< push name list array */
VM_OC_INITIALIZER_PUSH_REST = VM_OC_NONE, /**< push the object with the rest properties */
VM_OC_ITERATOR_CONTEXT_END = VM_OC_NONE, /**< finalize iterator cotnext */
VM_OC_OBJ_INIT_CONTEXT_CREATE = VM_OC_NONE, /**< create object initializer context */
VM_OC_OBJ_INIT_CONTEXT_END = VM_OC_NONE, /**< finalize object initializer context */
VM_OC_OBJ_INIT_PUSH_REST = VM_OC_NONE, /**< push the object with the rest properties */
VM_OC_INITIALIZER_PUSH_NAME = VM_OC_NONE, /**< append string to name list array and push the string */
VM_OC_DEFAULT_INITIALIZER = VM_OC_NONE, /**< default initializer inside a pattern */
VM_OC_REST_INITIALIZER = VM_OC_NONE, /**< create rest object inside an array pattern */
VM_OC_INITIALIZER_PUSH_PROP = VM_OC_NONE, /**< push property for object initializer */
VM_OC_MOVE = VM_OC_NONE, /**< move element to the stack-top */
VM_OC_SPREAD_ARGUMENTS = VM_OC_NONE, /**< perform function call/construct with spreaded arguments */
VM_OC_CREATE_GENERATOR = VM_OC_NONE, /**< create a generator object */
VM_OC_YIELD = VM_OC_NONE, /**< yield operation */