forked from OSchip/llvm-project
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
//===---------- ExprMutationAnalyzer.h - clang-tidy -----------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_EXPRMUTATIONANALYZER_H
|
|
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_EXPRMUTATIONANALYZER_H
|
|
|
|
#include <type_traits>
|
|
|
|
#include "clang/AST/AST.h"
|
|
#include "clang/ASTMatchers/ASTMatchers.h"
|
|
#include "llvm/ADT/DenseMap.h"
|
|
|
|
namespace clang {
|
|
namespace tidy {
|
|
namespace utils {
|
|
|
|
/// Analyzes whether any mutative operations are applied to an expression within
|
|
/// a given statement.
|
|
class ExprMutationAnalyzer {
|
|
public:
|
|
ExprMutationAnalyzer(const Stmt *Stm, ASTContext *Context)
|
|
: Stm(Stm), Context(Context) {}
|
|
|
|
bool isMutated(const Decl *Dec) { return findDeclMutation(Dec) != nullptr; }
|
|
bool isMutated(const Expr *Exp) { return findMutation(Exp) != nullptr; }
|
|
const Stmt *findMutation(const Expr *Exp);
|
|
|
|
private:
|
|
bool isUnevaluated(const Expr *Exp);
|
|
|
|
const Stmt *findExprMutation(ArrayRef<ast_matchers::BoundNodes> Matches);
|
|
const Stmt *findDeclMutation(ArrayRef<ast_matchers::BoundNodes> Matches);
|
|
const Stmt *findDeclMutation(const Decl *Dec);
|
|
|
|
const Stmt *findDirectMutation(const Expr *Exp);
|
|
const Stmt *findMemberMutation(const Expr *Exp);
|
|
const Stmt *findArrayElementMutation(const Expr *Exp);
|
|
const Stmt *findCastMutation(const Expr *Exp);
|
|
const Stmt *findRangeLoopMutation(const Expr *Exp);
|
|
const Stmt *findReferenceMutation(const Expr *Exp);
|
|
|
|
const Stmt *const Stm;
|
|
ASTContext *const Context;
|
|
llvm::DenseMap<const Expr *, const Stmt *> Results;
|
|
};
|
|
|
|
} // namespace utils
|
|
} // namespace tidy
|
|
} // namespace clang
|
|
|
|
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_EXPRMUTATIONANALYZER_H
|