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Implement array/object destructuring (#3305)

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This patch implements the core functionality of destructuring patterns.
Function argument/for in-of pattern are currently unsupported.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-11-14 13:49:49 +01:00
committed by Zoltan Herczeg
parent b4b55a67a2
commit 213544ae47
19 changed files with 1628 additions and 177 deletions
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jerry-core/parser/js/byte-code.h
+16
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@@ -536,6 +536,10 @@
VM_OC_CLASS_EXPR_CONTEXT_END) \
CBC_FORWARD_BRANCH (CBC_EXT_SUPER_CLASS_CREATE_CONTEXT, \
-1 + PARSER_SUPER_CLASS_CONTEXT_STACK_ALLOCATION, VM_OC_CLASS_HERITAGE) \
CBC_OPCODE (CBC_EXT_INITIALIZER_PUSH_PROP, CBC_NO_FLAG, 0, \
VM_OC_INITIALIZER_PUSH_PROP | VM_OC_GET_STACK) \
CBC_FORWARD_BRANCH (CBC_EXT_DEFAULT_INITIALIZER, 0, \
VM_OC_DEFAULT_INITIALIZER) \
\
/* Basic opcodes. */ \
CBC_OPCODE (CBC_EXT_PUSH_LITERAL_PUSH_NUMBER_0, CBC_HAS_LITERAL_ARG, 2, \
@@ -616,6 +620,18 @@
VM_OC_CREATE_SPREAD_OBJECT | VM_OC_GET_STACK | VM_OC_PUT_STACK) \
CBC_OPCODE (CBC_EXT_SPREAD_ARRAY_APPEND, CBC_HAS_POP_STACK_BYTE_ARG, 0, \
VM_OC_APPEND_ARRAY) \
CBC_OPCODE (CBC_EXT_GET_ITERATOR, CBC_NO_FLAG, 1, \
VM_OC_GET_ITERATOR) \
CBC_OPCODE (CBC_EXT_ITERATOR_STEP, CBC_NO_FLAG, 1, \
VM_OC_ITERATOR_STEP) \
CBC_OPCODE (CBC_EXT_ITERATOR_STEP_PROP, CBC_NO_FLAG, 1, \
VM_OC_ITERATOR_STEP) \
CBC_OPCODE (CBC_EXT_REST_INITIALIZER, CBC_NO_FLAG, 1, \
VM_OC_REST_INITIALIZER) \
CBC_OPCODE (CBC_EXT_REST_INITIALIZER_PROP, CBC_NO_FLAG, 1, \
VM_OC_REST_INITIALIZER) \
CBC_OPCODE (CBC_EXT_INITIALIZER_PUSH_PROP_LITERAL, CBC_HAS_LITERAL_ARG, 1, \
VM_OC_INITIALIZER_PUSH_PROP | VM_OC_GET_LITERAL) \
\
/* Last opcode (not a real opcode). */ \
CBC_OPCODE (CBC_EXT_END, CBC_NO_FLAG, 0, \