diff options
Diffstat (limited to 'contrib/llvm/tools/clang/lib/StaticAnalyzer/Frontend/CheckerRegistration.cpp')
-rw-r--r-- | contrib/llvm/tools/clang/lib/StaticAnalyzer/Frontend/CheckerRegistration.cpp | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/contrib/llvm/tools/clang/lib/StaticAnalyzer/Frontend/CheckerRegistration.cpp b/contrib/llvm/tools/clang/lib/StaticAnalyzer/Frontend/CheckerRegistration.cpp new file mode 100644 index 000000000000..1c31c35b75e4 --- /dev/null +++ b/contrib/llvm/tools/clang/lib/StaticAnalyzer/Frontend/CheckerRegistration.cpp @@ -0,0 +1,137 @@ +//===--- CheckerRegistration.cpp - Registration for the Analyzer Checkers -===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// 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); + + for (const auto &Fn : checkerRegistrationFns) + Fn(allCheckers); + + allCheckers.initializeManager(*checkerMgr, opts); + allCheckers.validateCheckerOptions(opts); + checkerMgr->finishedCheckerRegistration(); + + return checkerMgr; +} + +void ento::printCheckerHelp(raw_ostream &out, ArrayRef<std::string> plugins, + DiagnosticsEngine &diags) { + out << "OVERVIEW: Clang Static Analyzer Checkers List\n\n"; + out << "USAGE: -analyzer-checker <CHECKER or PACKAGE,...>\n\n"; + + CheckerRegistry(plugins, diags).printHelp(out); +} + +void ento::printEnabledCheckerList(raw_ostream &out, + ArrayRef<std::string> plugins, + const AnalyzerOptions &opts, + DiagnosticsEngine &diags) { + out << "OVERVIEW: Clang Static Analyzer Enabled Checkers List\n\n"; + + CheckerRegistry(plugins, diags).printList(out, opts); +} + +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"; + } +} |