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-rw-r--r--compilerplugins/clang/unusedmethodsremove.cxx153
1 files changed, 0 insertions, 153 deletions
diff --git a/compilerplugins/clang/unusedmethodsremove.cxx b/compilerplugins/clang/unusedmethodsremove.cxx
deleted file mode 100644
index 417c3778edf0..000000000000
--- a/compilerplugins/clang/unusedmethodsremove.cxx
+++ /dev/null
@@ -1,153 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * This file is part of the LibreOffice project.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-
-#if !defined _WIN32 //TODO, #include <sys/mman.h>
-
-#include <cassert>
-#include <string>
-#include <iostream>
-#include "plugin.hxx"
-#include "compat.hxx"
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/stat.h>
-#include <assert.h>
-#include <cstring>
-
-/**
- This is intended to be run as the second stage of the "unusedmethods" clang plugin.
-*/
-
-namespace {
-
-class UnusedMethodsRemove:
- public loplugin::FilteringRewritePlugin<UnusedMethodsRemove>
-{
-public:
- explicit UnusedMethodsRemove(loplugin::InstantiationData const & data);
- ~UnusedMethodsRemove();
-
- virtual void run() override { TraverseDecl(compiler.getASTContext().getTranslationUnitDecl()); }
-
- bool VisitCXXMethodDecl( const CXXMethodDecl* var );
-private:
- // I use a brute-force approach - mmap the results file and do a linear search on it
- // It works surprisingly well, because the file is small enough to fit into L2 cache on modern CPU's
- size_t mmapFilesize;
- int mmapFD;
- char* mmappedData;
-};
-
-size_t getFilesize(const char* filename)
-{
- struct stat st;
- stat(filename, &st);
- return st.st_size;
-}
-
-UnusedMethodsRemove::UnusedMethodsRemove(loplugin::InstantiationData const & data): FilteringRewritePlugin(data)
-{
- static const char sInputFile[] = SRCDIR "/result.txt";
- mmapFilesize = getFilesize(sInputFile);
- //Open file
- mmapFD = open(sInputFile, O_RDONLY, 0);
- assert(mmapFD != -1);
- //Execute mmap
- mmappedData = static_cast<char*>(mmap(NULL, mmapFilesize, PROT_READ, MAP_PRIVATE, mmapFD, 0));
- assert(mmappedData != NULL);
-}
-
-UnusedMethodsRemove::~UnusedMethodsRemove()
-{
- //Cleanup
- int rc = munmap(mmappedData, mmapFilesize);
- assert(rc == 0);
- (void)rc;
- close(mmapFD);
-}
-
-std::string niceName(const CXXMethodDecl* functionDecl)
-{
- std::string s =
- functionDecl->getReturnType().getCanonicalType().getAsString()
- + " " + functionDecl->getParent()->getQualifiedNameAsString()
- + "::" + functionDecl->getNameAsString()
- + "(";
- bool bFirst = true;
- for (const ParmVarDecl *pParmVarDecl : functionDecl->parameters()) {
- if (bFirst)
- bFirst = false;
- else
- s += ",";
- s += pParmVarDecl->getType().getCanonicalType().getAsString();
- }
- s += ")";
- if (functionDecl->isConst()) {
- s += " const";
- }
- return s;
-}
-
-bool UnusedMethodsRemove::VisitCXXMethodDecl( const CXXMethodDecl* functionDecl )
-{
- if (rewriter == nullptr) {
- return true;
- }
- if (ignoreLocation(functionDecl)) {
- return true;
- }
- // ignore stuff that forms part of the stable URE interface
- if (isInUnoIncludeFile(functionDecl)) {
- return true;
- }
-
- // don't mess with templates
- if (functionDecl->getParent()->getDescribedClassTemplate() != nullptr) {
- return true;
- }
- if (functionDecl->getTemplatedKind() != FunctionDecl::TK_NonTemplate) {
- return true;
- }
-
- std::string aNiceName = "\n" + niceName(functionDecl) + "\n";
- const char *aNiceNameStr = aNiceName.c_str();
- char* found = std::search(mmappedData, mmappedData + mmapFilesize, aNiceNameStr, aNiceNameStr + strlen(aNiceNameStr));
- if(!(found < mmappedData + mmapFilesize)) {
- return true;
- }
- SourceRange replaceRange(functionDecl->getSourceRange());
- // sometimes the declaration has a semicolon just after it, and it's much neater to remove that too.
- if (rewriter->getRewrittenText(SourceRange(replaceRange.getEnd(), replaceRange.getEnd().getLocWithOffset(1))) == ";") {
- replaceRange.setEnd(replaceRange.getEnd().getLocWithOffset(1));
- }
- // remove leading spaces
- while (rewriter->getRewrittenText(SourceRange(replaceRange.getBegin().getLocWithOffset(-1), replaceRange.getBegin())) == " ")
- {
- replaceRange.setBegin(replaceRange.getBegin().getLocWithOffset(-1));
- }
- if (!replaceText(replaceRange, "")) {
- report(
- DiagnosticsEngine::Warning,
- "Could not remove unused method (" + niceName(functionDecl) + ")",
- compat::getBeginLoc(functionDecl))
- << functionDecl->getSourceRange();
- }
- return true;
-}
-
-
-loplugin::Plugin::Registration< UnusedMethodsRemove > X("unusedmethodsremove", false);
-
-}
-
-#endif
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */