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//===- AnalyzerOptions.cpp - Analysis Engine Options ----------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains special accessors for analyzer configuration options
// with string representations.
//
//===----------------------------------------------------------------------===//
#include "clang/StaticAnalyzer/Core/AnalyzerOptions.h"
#include "clang/StaticAnalyzer/Core/Checker.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>
#include <cstddef>
#include <utility>
#include <vector>
using namespace clang;
using namespace ento;
using namespace llvm;
std::vector<StringRef>
AnalyzerOptions::getRegisteredCheckers(bool IncludeExperimental /* = false */) {
static const StringRef StaticAnalyzerChecks[] = {
#define GET_CHECKERS
#define CHECKER(FULLNAME, CLASS, HELPTEXT, DOC_URI) \
FULLNAME,
#include "clang/StaticAnalyzer/Checkers/Checkers.inc"
#undef CHECKER
#undef GET_CHECKERS
};
std::vector<StringRef> Result;
for (StringRef CheckName : StaticAnalyzerChecks) {
if (!CheckName.startswith("debug.") &&
(IncludeExperimental || !CheckName.startswith("alpha.")))
Result.push_back(CheckName);
}
return Result;
}
ExplorationStrategyKind
AnalyzerOptions::getExplorationStrategy() const {
auto K =
llvm::StringSwitch<llvm::Optional<ExplorationStrategyKind>>(
ExplorationStrategy)
.Case("dfs", ExplorationStrategyKind::DFS)
.Case("bfs", ExplorationStrategyKind::BFS)
.Case("unexplored_first",
ExplorationStrategyKind::UnexploredFirst)
.Case("unexplored_first_queue",
ExplorationStrategyKind::UnexploredFirstQueue)
.Case("unexplored_first_location_queue",
ExplorationStrategyKind::UnexploredFirstLocationQueue)
.Case("bfs_block_dfs_contents",
ExplorationStrategyKind::BFSBlockDFSContents)
.Default(None);
assert(K.hasValue() && "User mode is invalid.");
return K.getValue();
}
IPAKind AnalyzerOptions::getIPAMode() const {
auto K = llvm::StringSwitch<llvm::Optional<IPAKind>>(IPAMode)
.Case("none", IPAK_None)
.Case("basic-inlining", IPAK_BasicInlining)
.Case("inlining", IPAK_Inlining)
.Case("dynamic", IPAK_DynamicDispatch)
.Case("dynamic-bifurcate", IPAK_DynamicDispatchBifurcate)
.Default(None);
assert(K.hasValue() && "IPA Mode is invalid.");
return K.getValue();
}
bool
AnalyzerOptions::mayInlineCXXMemberFunction(
CXXInlineableMemberKind Param) const {
if (getIPAMode() < IPAK_Inlining)
return false;
auto K =
llvm::StringSwitch<llvm::Optional<CXXInlineableMemberKind>>(
CXXMemberInliningMode)
.Case("constructors", CIMK_Constructors)
.Case("destructors", CIMK_Destructors)
.Case("methods", CIMK_MemberFunctions)
.Case("none", CIMK_None)
.Default(None);
assert(K.hasValue() && "Invalid c++ member function inlining mode.");
return *K >= Param;
}
StringRef AnalyzerOptions::getCheckerStringOption(StringRef OptionName,
StringRef DefaultVal,
const CheckerBase *C,
bool SearchInParents) const {
assert(C);
// Search for a package option if the option for the checker is not specified
// and search in parents is enabled.
StringRef CheckerName = C->getTagDescription();
assert(!CheckerName.empty() &&
"Empty checker name! Make sure the checker object (including it's "
"bases!) if fully initialized before calling this function!");
ConfigTable::const_iterator E = Config.end();
do {
ConfigTable::const_iterator I =
Config.find((Twine(CheckerName) + ":" + OptionName).str());
if (I != E)
return StringRef(I->getValue());
size_t Pos = CheckerName.rfind('.');
if (Pos == StringRef::npos)
return DefaultVal;
CheckerName = CheckerName.substr(0, Pos);
} while (!CheckerName.empty() && SearchInParents);
return DefaultVal;
}
bool AnalyzerOptions::getCheckerBooleanOption(StringRef Name, bool DefaultVal,
const CheckerBase *C,
bool SearchInParents) const {
// FIXME: We should emit a warning here if the value is something other than
// "true", "false", or the empty string (meaning the default value),
// but the AnalyzerOptions doesn't have access to a diagnostic engine.
assert(C);
return llvm::StringSwitch<bool>(
getCheckerStringOption(Name, DefaultVal ? "true" : "false", C,
SearchInParents))
.Case("true", true)
.Case("false", false)
.Default(DefaultVal);
}
int AnalyzerOptions::getCheckerIntegerOption(StringRef Name, int DefaultVal,
const CheckerBase *C,
bool SearchInParents) const {
int Ret = DefaultVal;
bool HasFailed = getCheckerStringOption(Name, std::to_string(DefaultVal), C,
SearchInParents)
.getAsInteger(10, Ret);
assert(!HasFailed && "analyzer-config option should be numeric");
(void)HasFailed;
return Ret;
}
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