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//===--- CheckerRegistration.cpp - Registration for the Analyzer Checkers -===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// Defines the registration function for the analyzer checkers.
//
//===----------------------------------------------------------------------===//
#include "clang/StaticAnalyzer/Frontend/CheckerRegistration.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "clang/StaticAnalyzer/Core/AnalyzerOptions.h"
#include "clang/StaticAnalyzer/Core/CheckerManager.h"
#include "clang/StaticAnalyzer/Frontend/CheckerRegistry.h"
#include "clang/StaticAnalyzer/Frontend/FrontendActions.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/raw_ostream.h"
#include <memory>
using namespace clang;
using namespace ento;
std::unique_ptr<CheckerManager> ento::createCheckerManager(
ASTContext &context,
AnalyzerOptions &opts,
ArrayRef<std::string> plugins,
ArrayRef<std::function<void(CheckerRegistry &)>> checkerRegistrationFns,
DiagnosticsEngine &diags) {
auto checkerMgr = llvm::make_unique<CheckerManager>(context, opts);
CheckerRegistry allCheckers(plugins, diags, opts, context.getLangOpts());
for (const auto &Fn : checkerRegistrationFns)
Fn(allCheckers);
allCheckers.initializeManager(*checkerMgr);
allCheckers.validateCheckerOptions();
checkerMgr->finishedCheckerRegistration();
return checkerMgr;
}
void ento::printCheckerHelp(raw_ostream &out, ArrayRef<std::string> plugins,
AnalyzerOptions &anopts,
DiagnosticsEngine &diags,
const LangOptions &langOpts) {
out << "OVERVIEW: Clang Static Analyzer Checkers List\n\n";
out << "USAGE: -analyzer-checker <CHECKER or PACKAGE,...>\n\n";
CheckerRegistry(plugins, diags, anopts, langOpts).printHelp(out);
}
void ento::printEnabledCheckerList(raw_ostream &out,
ArrayRef<std::string> plugins,
AnalyzerOptions &anopts,
DiagnosticsEngine &diags,
const LangOptions &langOpts) {
out << "OVERVIEW: Clang Static Analyzer Enabled Checkers List\n\n";
CheckerRegistry(plugins, diags, anopts, langOpts).printList(out);
}
void ento::printAnalyzerConfigList(raw_ostream &out) {
out << "OVERVIEW: Clang Static Analyzer -analyzer-config Option List\n\n";
out << "USAGE: clang -cc1 [CLANG_OPTIONS] -analyzer-config "
"<OPTION1=VALUE,OPTION2=VALUE,...>\n\n";
out << " clang -cc1 [CLANG_OPTIONS] -analyzer-config OPTION1=VALUE, "
"-analyzer-config OPTION2=VALUE, ...\n\n";
out << " clang [CLANG_OPTIONS] -Xclang -analyzer-config -Xclang"
"<OPTION1=VALUE,OPTION2=VALUE,...>\n\n";
out << " clang [CLANG_OPTIONS] -Xclang -analyzer-config -Xclang "
"OPTION1=VALUE, -Xclang -analyzer-config -Xclang "
"OPTION2=VALUE, ...\n\n";
out << "OPTIONS:\n\n";
using OptionAndDescriptionTy = std::pair<StringRef, std::string>;
OptionAndDescriptionTy PrintableOptions[] = {
#define ANALYZER_OPTION(TYPE, NAME, CMDFLAG, DESC, DEFAULT_VAL) \
{ \
CMDFLAG, \
llvm::Twine(llvm::Twine() + "(" + \
(StringRef(#TYPE) == "StringRef" ? "string" : #TYPE ) + \
") " DESC \
" (default: " #DEFAULT_VAL ")").str() \
},
#define ANALYZER_OPTION_DEPENDS_ON_USER_MODE(TYPE, NAME, CMDFLAG, DESC, \
SHALLOW_VAL, DEEP_VAL) \
{ \
CMDFLAG, \
llvm::Twine(llvm::Twine() + "(" + \
(StringRef(#TYPE) == "StringRef" ? "string" : #TYPE ) + \
") " DESC \
" (default: " #SHALLOW_VAL " in shallow mode, " #DEEP_VAL \
" in deep mode)").str() \
},
#include "clang/StaticAnalyzer/Core/AnalyzerOptions.def"
#undef ANALYZER_OPTION
#undef ANALYZER_OPTION_DEPENDS_ON_USER_MODE
};
llvm::sort(PrintableOptions, [](const OptionAndDescriptionTy &LHS,
const OptionAndDescriptionTy &RHS) {
return LHS.first < RHS.first;
});
constexpr size_t MinLineWidth = 70;
constexpr size_t PadForOpt = 2;
constexpr size_t OptionWidth = 30;
constexpr size_t PadForDesc = PadForOpt + OptionWidth;
static_assert(MinLineWidth > PadForDesc, "MinLineWidth must be greater!");
llvm::formatted_raw_ostream FOut(out);
for (const auto &Pair : PrintableOptions) {
FOut.PadToColumn(PadForOpt) << Pair.first;
// If the buffer's length is greater then PadForDesc, print a newline.
if (FOut.getColumn() > PadForDesc)
FOut << '\n';
FOut.PadToColumn(PadForDesc);
for (char C : Pair.second) {
if (FOut.getColumn() > MinLineWidth && C == ' ') {
FOut << '\n';
FOut.PadToColumn(PadForDesc);
continue;
}
FOut << C;
}
FOut << "\n\n";
}
}
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