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1 /*
2  * Copyright (c) 2023-2024 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 "ASTVerifier.h"
17 #include "ast_verifier/sequenceExpressionHasLastType.h"
18 #include "ast_verifier/checkInfiniteLoop.h"
19 #include "ast_verifier/checkContext.h"
20 #include "ast_verifier/everyChildHasValidParent.h"
21 #include "ast_verifier/everyChildInParentRange.h"
22 #include "ast_verifier/identifierHasVariable.h"
23 #include "ast_verifier/nodeHasParent.h"
24 #include "ast_verifier/nodeHasSourceRange.h"
25 #include "ast_verifier/nodeHasType.h"
26 #include "ast_verifier/referenceTypeAnnotationIsNull.h"
27 #include "ast_verifier/variableHasScope.h"
28 #include "ast_verifier/variableHasEnclosingScope.h"
29 #include "ast_verifier/forLoopCorrectlyInitialized.h"
30 #include "ast_verifier/modifierAccessValid.h"
31 #include "ast_verifier/importExportAccessValid.h"
32 #include "ast_verifier/arithmeticOperationValid.h"
33 #include "ast_verifier/variableNameIdentifierNameSame.h"
34 
35 namespace ark::es2panda::compiler::ast_verifier {
36 
ASTVerifier(ArenaAllocator * allocator)37 ASTVerifier::ASTVerifier(ArenaAllocator *allocator)
38 {
39     AddInvariant<NodeHasParent>(allocator, "NodeHasParent");
40     AddInvariant<NodeHasSourceRange>(allocator, "NodeHasSourceRange");
41     AddInvariant<NodeHasType>(allocator, "NodeHasType");
42     AddInvariant<IdentifierHasVariable>(allocator, "IdentifierHasVariable");
43     AddInvariant<VariableHasScope>(allocator, "VariableHasScope");
44     AddInvariant<EveryChildHasValidParent>(allocator, "EveryChildHasValidParent");
45     AddInvariant<EveryChildInParentRange>(allocator, "EveryChildInParentRange");
46     AddInvariant<VariableHasEnclosingScope>(allocator, "VariableHasEnclosingScope");
47     AddInvariant<CheckInfiniteLoop>(allocator, "CheckInfiniteLoop");
48     AddInvariant<ForLoopCorrectlyInitialized>(allocator, "ForLoopCorrectlyInitialized");
49     AddInvariant<ModifierAccessValid>(allocator, "ModifierAccessValid");
50     AddInvariant<ImportExportAccessValid>(allocator, "ImportExportAccessValid");
51     AddInvariant<ArithmeticOperationValid>(allocator, "ArithmeticOperationValid");
52     AddInvariant<SequenceExpressionHasLastType>(allocator, "SequenceExpressionHasLastType");
53     AddInvariant<ReferenceTypeAnnotationIsNull>(allocator, "ReferenceTypeAnnotationIsNull");
54     AddInvariant<VariableNameIdentifierNameSame>(allocator, "VariableNameIdentifierNameSame");
55 }
56 
VerifyFull(const ir::AstNode * ast)57 Messages ASTVerifier::VerifyFull(const ir::AstNode *ast)
58 {
59     auto recursiveChecks = InvariantNameSet {};
60     std::copy_if(invariantsNames_.begin(), invariantsNames_.end(),
61                  std::inserter(recursiveChecks, recursiveChecks.end()),
62                  [](const std::string &s) { return s.find(RECURSIVE_SUFFIX) != s.npos; });
63     return Verify(ast, recursiveChecks);
64 }
65 
Verify(const ir::AstNode * ast,const InvariantNameSet & invariantSet)66 Messages ASTVerifier::Verify(const ir::AstNode *ast, const InvariantNameSet &invariantSet)
67 {
68     CheckContext ctx {};
69     const auto containsInvariants =
70         std::includes(invariantsNames_.begin(), invariantsNames_.end(), invariantSet.begin(), invariantSet.end());
71     if (!containsInvariants) {
72         auto invalidInvariants = InvariantNameSet {};
73         for (const auto &invariant : invariantSet) {
74             if (invariantsNames_.find(invariant) == invariantsNames_.end()) {
75                 invalidInvariants.insert(invariant);
76             }
77         }
78         for (const auto &invariant : invalidInvariants) {
79             ctx.AddCheckMessage(std::string {"Invariant was not found: "} + invariant, *ast, lexer::SourcePosition {});
80         }
81     }
82 
83     for (const auto &name : invariantSet) {
84         if (const auto &found = invariantsChecks_.find(name); found != invariantsChecks_.end()) {
85             if (ast == nullptr) {
86                 continue;
87             }
88 
89             auto invariant = found->second;
90             ctx.SetCheckName(name.data());
91             invariant(ctx, ast);
92         }
93     }
94 
95     return ctx.GetMessages();
96 }
97 
98 }  // namespace ark::es2panda::compiler::ast_verifier
99