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
22namespace ark::es2panda::compiler::ast_verifier {
23
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
35CheckResult 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
49CheckResult 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