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Implement TCO for try-catch-finally block

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Signed-off-by: HyukWoo Park <hyukwoo.park@samsung.com>
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HyukWoo Park 2023-10-21 17:22:01 +09:00 • committed by Patrick Kim
commit 4581040747
9 changed files with 191 additions and 39 deletions
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12
src/interpreter/ByteCodeGenerator.cpp
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@ -52,6 +52,9 @@ ByteCodeGenerateContext::ByteCodeGenerateContext(InterpretedCodeBlock* codeBlock
, m_isHeadOfMemberExpression(false)
, m_forInOfVarBinding(false)
, m_isLeftBindingAffectedByRightExpression(false)
#if defined(ENABLE_TCO)
, m_tcoDisabled(false)
#endif
, m_registerStack(new std::vector<ByteCodeRegisterIndex>())
, m_lexicallyDeclaredNames(new std::vector<std::pair<size_t, AtomicString>>())
, m_positionToContinue(0)
@ -60,7 +63,9 @@ ByteCodeGenerateContext::ByteCodeGenerateContext(InterpretedCodeBlock* codeBlock
, m_lexicalBlockIndex(0)
, m_classInfo()
, m_numeralLiteralData(numeralLiteralData) // should be NumeralLiteralVector
#if defined(ENABLE_TCO)
, m_returnRegister(SIZE_MAX)
#endif
#ifdef ESCARGOT_DEBUGGER
, m_breakpointContext(nullptr)
#endif /* ESCARGOT_DEBUGGER */
@ -615,6 +620,13 @@ void ByteCodeGenerator::relocateByteCode(ByteCodeBlock* block)
ASSIGN_STACKINDEX_IF_NEEDED(cd->m_argumentsStartIndex, stackBase, stackBaseWillBe, stackVariableSize);
break;
}
case TailRecursionInTryOpcode: {
TailRecursionInTry* cd = (TailRecursionInTry*)currentCode;
ASSIGN_STACKINDEX_IF_NEEDED(cd->m_calleeIndex, stackBase, stackBaseWillBe, stackVariableSize);
ASSIGN_STACKINDEX_IF_NEEDED(cd->m_argumentsStartIndex, stackBase, stackBaseWillBe, stackVariableSize);
ASSIGN_STACKINDEX_IF_NEEDED(cd->m_resultIndex, stackBase, stackBaseWillBe, stackVariableSize);
break;
}
#endif
case CallComplexCaseOpcode: {
CallComplexCase* cd = (CallComplexCase*)currentCode;