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//===--- AnalyzerOptions.h - Analysis Engine Options ------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This header defines various options for the static analyzer that are set
// by the frontend and are consulted throughout the analyzer.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_ANALYZEROPTIONS_H
#define LLVM_CLANG_ANALYZEROPTIONS_H
#include <string>
#include <vector>
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/IntrusiveRefCntPtr.h"
namespace clang {
class ASTConsumer;
class DiagnosticsEngine;
class Preprocessor;
class LangOptions;
/// Analysis - Set of available source code analyses.
enum Analyses {
#define ANALYSIS(NAME, CMDFLAG, DESC, SCOPE) NAME,
#include "clang/StaticAnalyzer/Core/Analyses.def"
NumAnalyses
};
/// AnalysisStores - Set of available analysis store models.
enum AnalysisStores {
#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) NAME##Model,
#include "clang/StaticAnalyzer/Core/Analyses.def"
NumStores
};
/// AnalysisConstraints - Set of available constraint models.
enum AnalysisConstraints {
#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) NAME##Model,
#include "clang/StaticAnalyzer/Core/Analyses.def"
NumConstraints
};
/// AnalysisDiagClients - Set of available diagnostic clients for rendering
/// analysis results.
enum AnalysisDiagClients {
#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN, AUTOCREAT) PD_##NAME,
#include "clang/StaticAnalyzer/Core/Analyses.def"
NUM_ANALYSIS_DIAG_CLIENTS
};
/// AnalysisPurgeModes - Set of available strategies for dead symbol removal.
enum AnalysisPurgeMode {
#define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) NAME,
#include "clang/StaticAnalyzer/Core/Analyses.def"
NumPurgeModes
};
/// AnalysisIPAMode - Set of inter-procedural modes.
enum AnalysisIPAMode {
#define ANALYSIS_IPA(NAME, CMDFLAG, DESC) NAME,
#include "clang/StaticAnalyzer/Core/Analyses.def"
NumIPAModes
};
/// AnalysisInlineFunctionSelection - Set of inlining function selection heuristics.
enum AnalysisInliningMode {
#define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) NAME,
#include "clang/StaticAnalyzer/Core/Analyses.def"
NumInliningModes
};
/// \brief Describes the different kinds of C++ member functions which can be
/// considered for inlining by the analyzer.
///
/// These options are cumulative; enabling one kind of member function will
/// enable all kinds with lower enum values.
enum CXXInlineableMemberKind {
// Uninitialized = 0,
/// A dummy mode in which no C++ inlining is enabled.
CIMK_None = 1,
/// Refers to regular member function and operator calls.
CIMK_MemberFunctions,
/// Refers to constructors (implicit or explicit).
///
/// Note that a constructor will not be inlined if the corresponding
/// destructor is non-trivial.
CIMK_Constructors,
/// Refers to destructors (implicit or explicit).
CIMK_Destructors
};
class AnalyzerOptions : public llvm::RefCountedBase<AnalyzerOptions> {
public:
typedef llvm::StringMap<std::string> ConfigTable;
/// \brief Pair of checker name and enable/disable.
std::vector<std::pair<std::string, bool> > CheckersControlList;
/// \brief A key-value table of use-specified configuration values.
ConfigTable Config;
AnalysisStores AnalysisStoreOpt;
AnalysisConstraints AnalysisConstraintsOpt;
AnalysisDiagClients AnalysisDiagOpt;
AnalysisPurgeMode AnalysisPurgeOpt;
// \brief The interprocedural analysis mode.
AnalysisIPAMode IPAMode;
std::string AnalyzeSpecificFunction;
/// \brief The maximum number of exploded nodes the analyzer will generate.
unsigned MaxNodes;
/// \brief The maximum number of times the analyzer visits a block.
unsigned maxBlockVisitOnPath;
unsigned ShowCheckerHelp : 1;
unsigned AnalyzeAll : 1;
unsigned AnalyzerDisplayProgress : 1;
unsigned AnalyzeNestedBlocks : 1;
/// \brief The flag regulates if we should eagerly assume evaluations of
/// conditionals, thus, bifurcating the path.
///
/// This flag indicates how the engine should handle expressions such as: 'x =
/// (y != 0)'. When this flag is true then the subexpression 'y != 0' will be
/// eagerly assumed to be true or false, thus evaluating it to the integers 0
/// or 1 respectively. The upside is that this can increase analysis
/// precision until we have a better way to lazily evaluate such logic. The
/// downside is that it eagerly bifurcates paths.
unsigned eagerlyAssumeBinOpBifurcation : 1;
unsigned TrimGraph : 1;
unsigned visualizeExplodedGraphWithGraphViz : 1;
unsigned visualizeExplodedGraphWithUbiGraph : 1;
unsigned UnoptimizedCFG : 1;
unsigned eagerlyTrimExplodedGraph : 1;
unsigned PrintStats : 1;
/// \brief Do not re-analyze paths leading to exhausted nodes with a different
/// strategy. We get better code coverage when retry is enabled.
unsigned NoRetryExhausted : 1;
/// \brief The inlining stack depth limit.
unsigned InlineMaxStackDepth;
/// \brief The mode of function selection used during inlining.
unsigned InlineMaxFunctionSize;
/// \brief The mode of function selection used during inlining.
AnalysisInliningMode InliningMode;
private:
/// Controls which C++ member functions will be considered for inlining.
CXXInlineableMemberKind CXXMemberInliningMode;
public:
/// Returns the option controlling which C++ member functions will be
/// considered for inlining.
///
/// This is controlled by the 'c++-inlining' config option.
///
/// \sa CXXMemberInliningMode
bool mayInlineCXXMemberFunction(CXXInlineableMemberKind K) const;
/// Returns whether or not the destructors for C++ temporary objects should
/// be included in the CFG.
///
/// This is controlled by the 'cfg-temporary-dtors' config option. Any
/// non-empty value is considered to be 'true'.
bool includeTemporaryDtorsInCFG() const;
public:
AnalyzerOptions() : CXXMemberInliningMode() {
AnalysisStoreOpt = RegionStoreModel;
AnalysisConstraintsOpt = RangeConstraintsModel;
AnalysisDiagOpt = PD_HTML;
AnalysisPurgeOpt = PurgeStmt;
IPAMode = DynamicDispatchBifurcate;
ShowCheckerHelp = 0;
AnalyzeAll = 0;
AnalyzerDisplayProgress = 0;
AnalyzeNestedBlocks = 0;
eagerlyAssumeBinOpBifurcation = 0;
TrimGraph = 0;
visualizeExplodedGraphWithGraphViz = 0;
visualizeExplodedGraphWithUbiGraph = 0;
UnoptimizedCFG = 0;
eagerlyTrimExplodedGraph = 0;
PrintStats = 0;
NoRetryExhausted = 0;
// Cap the stack depth at 4 calls (5 stack frames, base + 4 calls).
InlineMaxStackDepth = 5;
InlineMaxFunctionSize = 200;
InliningMode = NoRedundancy;
}
};
typedef llvm::IntrusiveRefCntPtr<AnalyzerOptions> AnalyzerOptionsRef;
}
#endif
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