2  * Copyright (c) 2021-2024 Huawei Device Co., Ltd.
7  * http://www.apache.org/licenses/LICENSE-2.0
39         if (isDummyLoc(n->Range())) {  in RefineSourceRanges()
40             n->SetRange(n->Parent()->Range());  in RefineSourceRanges()
45     node->IterateRecursively(refine);  in RefineSourceRanges()
53     auto *const allocator = ctx->allocator;  in LowerOptionalExpr()
54     auto *const parser = ctx->parser->AsETSParser();  in LowerOptionalExpr()
55     auto *const varbinder = ctx->parserProgram->VarBinder();  in LowerOptionalExpr()
59     auto *tmpIdentClone = tmpIdent->Clone(allocator, nullptr);  in LowerOptionalExpr()
62     auto *sequenceExpr = parser->CreateFormattedExpression(  in LowerOptionalExpr()
66     sequenceExpr->SetParent(chain->Parent());  in LowerOptionalExpr()
67     InitScopesPhaseETS::RunExternalNode(sequenceExpr, ctx->parserProgram->VarBinder());  in LowerOptionalExpr()
69     auto const &stmts = sequenceExpr->AsBlockExpression()->Statements();  in LowerOptionalExpr()
70     stmts[0]->AsVariableDeclaration()->Declarators()[0]->SetInit(getSource(expr));  in LowerOptionalExpr()
71 …stmts[1]->AsExpressionStatement()->GetExpression()->AsConditionalExpression()->SetAlternate(chain-…  in LowerOptionalExpr()
73 …setSource(expr, parser->CreateFormattedExpression("@@I1", tmpIdentClone->Clone(allocator, nullptr)…  in LowerOptionalExpr()
80     ASSERT(expr->IsOptional());  in LowerExpression()
81     expr->ClearOptional();  in LowerExpression()
82     return LowerOptionalExpr<ir::MemberExpression>([](auto *e) { return e->Object(); },  in LowerExpression()
83 …                                  [](auto *e, auto *obj) { e->SetObject(obj); }, ctx, expr, chain);  in LowerExpression()
89     ASSERT(expr->IsOptional());  in LowerExpression()
90     expr->ClearOptional();  in LowerExpression()
91     return LowerOptionalExpr<ir::CallExpression>([](auto *e) { return e->Callee(); },  in LowerExpression()
92 …                            [](auto *e, auto *callee) { e->SetCallee(callee); }, ctx, expr, chain);  in LowerExpression()
97     if (expr->IsMemberExpression()) {  in FindOptionalInChain()
98         auto typed = expr->AsMemberExpression();  in FindOptionalInChain()
99         return typed->IsOptional() ? typed : FindOptionalInChain(typed->Object());  in FindOptionalInChain()
101     if (expr->IsCallExpression()) {  in FindOptionalInChain()
102         auto typed = expr->AsCallExpression();  in FindOptionalInChain()
103         return typed->IsOptional() ? typed : FindOptionalInChain(typed->Callee());  in FindOptionalInChain()
105     if (expr->IsTSNonNullExpression()) {  in FindOptionalInChain()
106         return FindOptionalInChain(expr->AsTSNonNullExpression()->Expr());  in FindOptionalInChain()
113     auto optional = FindOptionalInChain(chain->GetExpression());  in LowerChain()
114     if (optional->IsMemberExpression()) {  in LowerChain()
115         return LowerExpression(ctx, optional->AsMemberExpression(), chain);  in LowerChain()
117     if (optional->IsCallExpression()) {  in LowerChain()
118         return LowerExpression(ctx, optional->AsCallExpression(), chain);  in LowerChain()
125     for (auto &[_, ext_programs] : program->ExternalSources()) {  in Perform()
132     program->Ast()->TransformChildrenRecursively(  in Perform()
133         // CC-OFFNXT(G.FMT.14-CPP) project code style  in Perform()
134         [ctx](ir::AstNode *const node) -> ir::AstNode * {  in Perform()
135             if (node->IsChainExpression()) {  in Perform()
136                 return RefineSourceRanges(LowerChain(ctx, node->AsChainExpression()));  in Perform()
147     for (auto &[_, ext_programs] : program->ExternalSources()) {  in Postcondition()
156     return !program->Ast()->IsAnyChild([](const ir::AstNode *node) {  in Postcondition()
157 …return node->IsChainExpression() || (node->IsMemberExpression() && node->AsMemberExpression()->IsO…  in Postcondition()
158                (node->IsCallExpression() && node->AsCallExpression()->IsOptional());  in Postcondition()