2  * Copyright (c) 2021-2025 Huawei Device Co., Ltd.
7  * http://www.apache.org/licenses/LICENSE-2.0
36     auto *const allocator = ctx->allocator;  in LowerOptionalExpr()
37     auto *const parser = ctx->parser->AsETSParser();  in LowerOptionalExpr()
38     auto *const varbinder = ctx->parserProgram->VarBinder();  in LowerOptionalExpr()
43     auto *tmpIdentClone = tmpIdent->Clone(allocator, nullptr);  in LowerOptionalExpr()
46     auto *sequenceExpr = parser->CreateFormattedExpression(  in LowerOptionalExpr()
50     sequenceExpr->SetParent(chain->Parent());  in LowerOptionalExpr()
51     InitScopesPhaseETS::RunExternalNode(sequenceExpr, ctx->parserProgram->VarBinder());  in LowerOptionalExpr()
53     auto const &stmts = sequenceExpr->AsBlockExpression()->Statements();  in LowerOptionalExpr()
54     stmts[0]->AsVariableDeclaration()->Declarators()[0]->SetInit(getSource(expr));  in LowerOptionalExpr()
55 …stmts[1]->AsExpressionStatement()->GetExpression()->AsConditionalExpression()->SetAlternate(chain-…  in LowerOptionalExpr()
57 …setSource(expr, parser->CreateFormattedExpression("@@I1", tmpIdentClone->Clone(allocator, nullptr)…  in LowerOptionalExpr()
64     ES2PANDA_ASSERT(expr->IsOptional());  in LowerExpression()
65     expr->ClearOptional();  in LowerExpression()
66     return LowerOptionalExpr<ir::MemberExpression>([](auto *e) { return e->Object(); },  in LowerExpression()
67 …                                  [](auto *e, auto *obj) { e->SetObject(obj); }, ctx, expr, chain);  in LowerExpression()
73     ES2PANDA_ASSERT(expr->IsOptional());  in LowerExpression()
74     expr->ClearOptional();  in LowerExpression()
75     return LowerOptionalExpr<ir::CallExpression>([](auto *e) { return e->Callee(); },  in LowerExpression()
76 …                            [](auto *e, auto *callee) { e->SetCallee(callee); }, ctx, expr, chain);  in LowerExpression()
81     if (expr->IsMemberExpression()) {  in FindOptionalInChain()
82         auto typed = expr->AsMemberExpression();  in FindOptionalInChain()
83         return typed->IsOptional() ? typed : FindOptionalInChain(typed->Object());  in FindOptionalInChain()
85     if (expr->IsCallExpression()) {  in FindOptionalInChain()
86         auto typed = expr->AsCallExpression();  in FindOptionalInChain()
87         return typed->IsOptional() ? typed : FindOptionalInChain(typed->Callee());  in FindOptionalInChain()
89     if (expr->IsTSNonNullExpression()) {  in FindOptionalInChain()
90         return FindOptionalInChain(expr->AsTSNonNullExpression()->Expr());  in FindOptionalInChain()
97     auto optional = FindOptionalInChain(chain->GetExpression());  in LowerChain()
98     if (optional->IsMemberExpression()) {  in LowerChain()
99         return LowerExpression(ctx, optional->AsMemberExpression(), chain);  in LowerChain()
101     if (optional->IsCallExpression()) {  in LowerChain()
102         return LowerExpression(ctx, optional->AsCallExpression(), chain);  in LowerChain()
109     program->Ast()->TransformChildrenRecursively(  in PerformForModule()
110         // CC-OFFNXT(G.FMT.14-CPP) project code style  in PerformForModule()
111         [ctx](ir::AstNode *const node) -> ir::AstNode * {  in PerformForModule()
112             if (node->IsChainExpression()) {  in PerformForModule()
113                 return RefineSourceRanges(LowerChain(ctx, node->AsChainExpression()));  in PerformForModule()
124     return !program->Ast()->IsAnyChild([](const ir::AstNode *node) {  in PostconditionForModule()
125 …return node->IsChainExpression() || (node->IsMemberExpression() && node->AsMemberExpression()->IsO…  in PostconditionForModule()
126                (node->IsCallExpression() && node->AsCallExpression()->IsOptional());  in PostconditionForModule()