1 /*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "modifierAccessValid.h"
17 #include "helpers.h"
18 #include "varbinder/variableFlags.h"
19 #include "ir/expressions/memberExpression.h"
20 #include "ir/expressions/callExpression.h"
21
22 namespace ark::es2panda::compiler::ast_verifier {
23
operator ()(CheckContext &ctx, const ir::AstNode *ast)24 [[nodiscard]] CheckResult ModifierAccessValid::operator()(CheckContext &ctx, const ir::AstNode *ast)
25 {
26 if (auto [decision, action] = HandleMethodExpression(ctx, ast); decision == CheckDecision::INCORRECT) {
27 return {decision, action};
28 }
29 if (auto [decision, action] = HandleCallExpression(ctx, ast); decision == CheckDecision::INCORRECT) {
30 return {decision, action};
31 }
32 return {CheckDecision::CORRECT, CheckAction::CONTINUE};
33 }
34
HandleMethodExpression(CheckContext &ctx, const ir::AstNode *ast)35 CheckResult ModifierAccessValid::HandleMethodExpression(CheckContext &ctx, const ir::AstNode *ast)
36 {
37 if (!ast->IsMemberExpression()) {
38 return {CheckDecision::CORRECT, CheckAction::CONTINUE};
39 }
40 const auto *propVar = ast->AsMemberExpression()->PropVar();
41 if (propVar != nullptr && propVar->HasFlag(varbinder::VariableFlags::PROPERTY) &&
42 !ValidateVariableAccess(propVar, ast->AsMemberExpression())) {
43 ctx.AddCheckMessage("PROPERTY_NOT_VISIBLE_HERE", *ast, ast->Start());
44 return {CheckDecision::INCORRECT, CheckAction::CONTINUE};
45 }
46 return {CheckDecision::CORRECT, CheckAction::CONTINUE};
47 }
48
HandleCallExpression(CheckContext &ctx, const ir::AstNode *ast)49 CheckResult ModifierAccessValid::HandleCallExpression(CheckContext &ctx, const ir::AstNode *ast)
50 {
51 if (!ast->IsCallExpression()) {
52 return {CheckDecision::CORRECT, CheckAction::CONTINUE};
53 }
54 const auto *callExpr = ast->AsCallExpression();
55 const auto *callee = callExpr->Callee();
56 if (callee != nullptr && callee->IsMemberExpression()) {
57 const auto *calleeMember = callee->AsMemberExpression();
58 const auto *propVarCallee = calleeMember->PropVar();
59 if (propVarCallee != nullptr && propVarCallee->HasFlag(varbinder::VariableFlags::METHOD) &&
60 !ValidateMethodAccess(calleeMember, ast->AsCallExpression())) {
61 ctx.AddCheckMessage("PROPERTY_NOT_VISIBLE_HERE", *callee, callee->Start());
62 return {CheckDecision::INCORRECT, CheckAction::CONTINUE};
63 }
64 }
65 return {CheckDecision::CORRECT, CheckAction::CONTINUE};
66 }
67
68 } // namespace ark::es2panda::compiler::ast_verifier
69