/*
* unused-funcs
*
* Copyright (C) 2014 xaizek.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "FuncInfo.hpp"
#include <clang/AST/Decl.h>
#include <clang/AST/Expr.h>
#include <clang/Basic/SourceLocation.h>
#include <clang/Basic/SourceManager.h>
FuncInfo::FuncInfo(const clang::FunctionDecl &func,
const clang::SourceManager &sm)
: name(func.getNameAsString()) {
processDeclaration(func, sm);
}
void FuncInfo::processDeclaration(const clang::FunctionDecl &func,
const clang::SourceManager &sm) {
if (isFullyDeclared() || !func.isThisDeclarationADefinition()) {
return;
}
clang::FullSourceLoc fullLoc(func.getNameInfo().getBeginLoc(), sm);
fileName = sm.getFilename(fullLoc);
lineNum = fullLoc.getSpellingLineNumber();
}
bool FuncInfo::isFullyDeclared() const { return lineNum != 0U; }
void FuncInfo::registerRef(const clang::DeclRefExpr &ref,
const clang::SourceManager &sm) {
calls.emplace_back(ref, sm);
}
bool FuncInfo::isUnused() const { return calls.empty(); }
bool FuncInfo::canBeMadeStatic() const {
for (const auto &call : calls) {
if (!call.isInThisUnit(fileName)) {
return false;
}
}
return true;
}
llvm::raw_ostream &operator<<(llvm::raw_ostream &os, const FuncInfo &fi) {
return os << fi.fileName << ':' << fi.lineNum << ':' << fi.name;
}
Before first commit, do not forget to setup your git environment:
git config --global user.name "your_name_here"
git config --global user.email "your@email_here"
Clone this repository using HTTP(S):
git clone https://code.reversed.top/user/xaizek/unused-funcs
Clone this repository using ssh (do not forget to upload a key first):
git clone ssh://rocketgit@code.reversed.top/user/xaizek/unused-funcs
You are allowed to anonymously push to this repository.
This means that your pushed commits will automatically be transformed into a
pull request:
... clone the repository ...
... make some changes and some commits ...
git push origin master