llvm/clang/lib/Analysis/IssueHash.cpp

//===---------- IssueHash.cpp - Generate identification hashes --*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "clang/Analysis/IssueHash.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/Specifiers.h"
#include "clang/Lex/Lexer.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/LineIterator.h"
#include "llvm/Support/MD5.h"
#include "llvm/Support/Path.h"

#include <functional>
#include <optional>
#include <sstream>
#include <string>

usingnamespaceclang;

// Get a string representation of the parts of the signature that can be
// overloaded on.
static std::string GetSignature(const FunctionDecl *Target) { … }

static std::string GetEnclosingDeclContextSignature(const Decl *D) { … }

static StringRef GetNthLineOfFile(std::optional<llvm::MemoryBufferRef> Buffer,
                                  int Line) { … }

static std::string NormalizeLine(const SourceManager &SM, const FullSourceLoc &L,
                                 const LangOptions &LangOpts) { … }

static llvm::SmallString<32> GetMD5HashOfContent(StringRef Content) { … }

std::string clang::getIssueString(const FullSourceLoc &IssueLoc,
                                  StringRef CheckerName,
                                  StringRef WarningMessage,
                                  const Decl *IssueDecl,
                                  const LangOptions &LangOpts) { … }

SmallString<32> clang::getIssueHash(const FullSourceLoc &IssueLoc,
                                    StringRef CheckerName,
                                    StringRef WarningMessage,
                                    const Decl *IssueDecl,
                                    const LangOptions &LangOpts) { … }