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Implement optional chaining (#5164)

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The work is based on PR #4843, only fixed some conflicts and cppcheck errors.

Co-authored-by: Robert Fancsik robert.fancsik@h-lab.eu
JerryScript-DCO-1.0-Signed-off-by: Gergo Csizi gergocs@inf.u-szeged.hu
This commit is contained in:
Gergo Csizi
2024-11-20 11:57:58 +01:00
committed by GitHub
parent e9f08a7879
commit f54f2d3a7b
14 changed files with 1012 additions and 412 deletions
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jerry-core/parser/js/byte-code.h
+2 -2
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@@ -497,9 +497,9 @@
CBC_FORWARD_BRANCH (CBC_EXT_DEFAULT_INITIALIZER, -1, VM_OC_DEFAULT_INITIALIZER) \
CBC_OPCODE (CBC_EXT_ERROR, CBC_NO_FLAG, 0, VM_OC_ERROR) \
CBC_FORWARD_BRANCH (CBC_EXT_BRANCH_IF_NULLISH, -1, VM_OC_BRANCH_IF_NULLISH) \
\
/* Basic opcodes. */ \
CBC_OPCODE (CBC_EXT_POP_REFERENCE, CBC_NO_FLAG, -2, VM_OC_POP_REFERENCE) \
CBC_FORWARD_BRANCH (CBC_EXT_BRANCH_OPTIONAL_CHAIN, 0, VM_OC_BRANCH_OPTIONAL_CHAIN) \
/* Basic opcodes. */ \
CBC_OPCODE (CBC_EXT_CREATE_ARGUMENTS, CBC_HAS_LITERAL_ARG, 0, VM_OC_CREATE_ARGUMENTS) \
CBC_OPCODE (CBC_EXT_CREATE_VAR_EVAL, CBC_HAS_LITERAL_ARG, 0, VM_OC_EXT_VAR_EVAL) \
CBC_OPCODE (CBC_EXT_CREATE_VAR_FUNC_EVAL, CBC_HAS_LITERAL_ARG | CBC_HAS_LITERAL_ARG2, 0, VM_OC_EXT_VAR_EVAL) \