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116 lines
5.0 KiB
116 lines
5.0 KiB
4 months ago
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//===--- CheckerRegistration.cpp - Registration for the Analyzer Checkers -===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Defines the registration function for the analyzer checkers.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/StaticAnalyzer/Frontend/AnalyzerHelpFlags.h"
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#include "clang/Basic/Diagnostic.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "clang/Frontend/FrontendDiagnostic.h"
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#include "clang/StaticAnalyzer/Core/AnalyzerOptions.h"
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#include "clang/StaticAnalyzer/Core/CheckerManager.h"
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#include "clang/StaticAnalyzer/Frontend/CheckerRegistry.h"
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#include "clang/StaticAnalyzer/Frontend/FrontendActions.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/Support/raw_ostream.h"
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#include <memory>
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using namespace clang;
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using namespace ento;
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void ento::printCheckerHelp(raw_ostream &out, CompilerInstance &CI) {
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out << "OVERVIEW: Clang Static Analyzer Checkers List\n\n";
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out << "USAGE: -analyzer-checker <CHECKER or PACKAGE,...>\n\n";
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auto CheckerMgr = std::make_unique<CheckerManager>(
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*CI.getAnalyzerOpts(), CI.getLangOpts(), CI.getDiagnostics(),
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CI.getFrontendOpts().Plugins);
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CheckerMgr->getCheckerRegistryData().printCheckerWithDescList(
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*CI.getAnalyzerOpts(), out);
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}
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void ento::printEnabledCheckerList(raw_ostream &out, CompilerInstance &CI) {
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out << "OVERVIEW: Clang Static Analyzer Enabled Checkers List\n\n";
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auto CheckerMgr = std::make_unique<CheckerManager>(
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*CI.getAnalyzerOpts(), CI.getLangOpts(), CI.getDiagnostics(),
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CI.getFrontendOpts().Plugins);
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CheckerMgr->getCheckerRegistryData().printEnabledCheckerList(out);
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}
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void ento::printCheckerConfigList(raw_ostream &out, CompilerInstance &CI) {
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auto CheckerMgr = std::make_unique<CheckerManager>(
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*CI.getAnalyzerOpts(), CI.getLangOpts(), CI.getDiagnostics(),
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CI.getFrontendOpts().Plugins);
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CheckerMgr->getCheckerRegistryData().printCheckerOptionList(
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*CI.getAnalyzerOpts(), out);
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}
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void ento::printAnalyzerConfigList(raw_ostream &out) {
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// FIXME: This message sounds scary, should be scary, but incorrectly states
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// that all configs are super dangerous. In reality, many of them should be
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// accessible to the user. We should create a user-facing subset of config
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// options under a different frontend flag.
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out << R"(
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OVERVIEW: Clang Static Analyzer -analyzer-config Option List
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The following list of configurations are meant for development purposes only, as
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some of the variables they define are set to result in the most optimal
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analysis. Setting them to other values may drastically change how the analyzer
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behaves, and may even result in instabilities, crashes!
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USAGE: -analyzer-config <OPTION1=VALUE,OPTION2=VALUE,...>
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-analyzer-config OPTION1=VALUE, -analyzer-config OPTION2=VALUE, ...
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OPTIONS:
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)";
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using OptionAndDescriptionTy = std::pair<StringRef, std::string>;
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OptionAndDescriptionTy PrintableOptions[] = {
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#define ANALYZER_OPTION(TYPE, NAME, CMDFLAG, DESC, DEFAULT_VAL) \
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{ \
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CMDFLAG, \
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llvm::Twine(llvm::Twine() + "(" + \
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(StringRef(#TYPE) == "StringRef" ? "string" : #TYPE ) + \
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") " DESC \
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" (default: " #DEFAULT_VAL ")").str() \
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},
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#define ANALYZER_OPTION_DEPENDS_ON_USER_MODE(TYPE, NAME, CMDFLAG, DESC, \
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SHALLOW_VAL, DEEP_VAL) \
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{ \
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CMDFLAG, \
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llvm::Twine(llvm::Twine() + "(" + \
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(StringRef(#TYPE) == "StringRef" ? "string" : #TYPE ) + \
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") " DESC \
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" (default: " #SHALLOW_VAL " in shallow mode, " #DEEP_VAL \
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" in deep mode)").str() \
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},
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#include "clang/StaticAnalyzer/Core/AnalyzerOptions.def"
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#undef ANALYZER_OPTION
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#undef ANALYZER_OPTION_DEPENDS_ON_USER_MODE
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};
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llvm::sort(PrintableOptions, [](const OptionAndDescriptionTy &LHS,
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const OptionAndDescriptionTy &RHS) {
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return LHS.first < RHS.first;
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});
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for (const auto &Pair : PrintableOptions) {
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AnalyzerOptions::printFormattedEntry(out, Pair, /*InitialPad*/ 2,
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/*EntryWidth*/ 30,
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/*MinLineWidth*/ 70);
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out << "\n\n";
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}
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}
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