clang-tools  8.0.0
ProperlySeededRandomGeneratorCheck.h
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1 //===--- ProperlySeededRandomGeneratorCheck.h - clang-tidy-------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_PROPERLY_SEEDED_RANDOM_GENERATOR_H
11 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_PROPERLY_SEEDED_RANDOM_GENERATOR_H
12 
13 #include "../ClangTidy.h"
14 #include <string>
15 
16 namespace clang {
17 namespace tidy {
18 namespace cert {
19 
20 /// Random number generator must be seeded properly.
21 ///
22 /// A random number generator initialized with default value or a
23 /// constant expression is a security vulnerability.
24 ///
25 /// For the user-facing documentation see:
26 /// http://clang.llvm.org/extra/clang-tidy/checks/cert-properly-seeded-random-generator.html
28 public:
30  void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
31  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
32  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
33 
34 private:
35  template <class T>
36  void checkSeed(const ast_matchers::MatchFinder::MatchResult &Result,
37  const T *Func);
38 
39  std::string RawDisallowedSeedTypes;
40  SmallVector<StringRef, 5> DisallowedSeedTypes;
41 };
42 
43 } // namespace cert
44 } // namespace tidy
45 } // namespace clang
46 
47 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CERT_PROPERLY_SEEDED_RANDOM_GENERATOR_H
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
Base class for all clang-tidy checks.
Definition: ClangTidy.h:127
ProperlySeededRandomGeneratorCheck(StringRef Name, ClangTidyContext *Context)
void storeOptions(ClangTidyOptions::OptionMap &Opts) override
Should store all options supported by this check with their current values or default values for opti...
static constexpr llvm::StringLiteral Name
std::map< std::string, std::string > OptionMap
llvm::Optional< llvm::Expected< tooling::AtomicChanges > > Result
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.