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//==- DebugCheckers.cpp - Debugging Checkers ---------------------*- C++ -*-==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines checkers that display debugging information.
//
//===----------------------------------------------------------------------===//
#include "ClangSACheckers.h"
#include "clang/Analysis/Analyses/Dominators.h"
#include "clang/Analysis/Analyses/LiveVariables.h"
#include "clang/Analysis/CallGraph.h"
#include "clang/StaticAnalyzer/Core/Checker.h"
#include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/AnalysisManager.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/ExplodedGraph.h"
#include "clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h"
#include "llvm/Support/Process.h"
using namespace clang;
using namespace ento;
//===----------------------------------------------------------------------===//
// DominatorsTreeDumper
//===----------------------------------------------------------------------===//
namespace {
class DominatorsTreeDumper : public Checker<check::ASTCodeBody> {
public:
void checkASTCodeBody(const Decl *D, AnalysisManager& mgr,
BugReporter &BR) const {
if (AnalysisDeclContext *AC = mgr.getAnalysisDeclContext(D)) {
DominatorTree dom;
dom.buildDominatorTree(*AC);
dom.dump();
}
}
};
}
void ento::registerDominatorsTreeDumper(CheckerManager &mgr) {
mgr.registerChecker<DominatorsTreeDumper>();
}
//===----------------------------------------------------------------------===//
// LiveVariablesDumper
//===----------------------------------------------------------------------===//
namespace {
class LiveVariablesDumper : public Checker<check::ASTCodeBody> {
public:
void checkASTCodeBody(const Decl *D, AnalysisManager& mgr,
BugReporter &BR) const {
if (LiveVariables* L = mgr.getAnalysis<LiveVariables>(D)) {
L->dumpBlockLiveness(mgr.getSourceManager());
}
}
};
}
void ento::registerLiveVariablesDumper(CheckerManager &mgr) {
mgr.registerChecker<LiveVariablesDumper>();
}
//===----------------------------------------------------------------------===//
// CFGViewer
//===----------------------------------------------------------------------===//
namespace {
class CFGViewer : public Checker<check::ASTCodeBody> {
public:
void checkASTCodeBody(const Decl *D, AnalysisManager& mgr,
BugReporter &BR) const {
if (CFG *cfg = mgr.getCFG(D)) {
cfg->viewCFG(mgr.getLangOpts());
}
}
};
}
void ento::registerCFGViewer(CheckerManager &mgr) {
mgr.registerChecker<CFGViewer>();
}
//===----------------------------------------------------------------------===//
// CFGDumper
//===----------------------------------------------------------------------===//
namespace {
class CFGDumper : public Checker<check::ASTCodeBody> {
public:
void checkASTCodeBody(const Decl *D, AnalysisManager& mgr,
BugReporter &BR) const {
PrintingPolicy Policy(mgr.getLangOpts());
Policy.TerseOutput = true;
Policy.PolishForDeclaration = true;
D->print(llvm::errs(), Policy);
if (CFG *cfg = mgr.getCFG(D)) {
cfg->dump(mgr.getLangOpts(),
llvm::sys::Process::StandardErrHasColors());
}
}
};
}
void ento::registerCFGDumper(CheckerManager &mgr) {
mgr.registerChecker<CFGDumper>();
}
//===----------------------------------------------------------------------===//
// CallGraphViewer
//===----------------------------------------------------------------------===//
namespace {
class CallGraphViewer : public Checker< check::ASTDecl<TranslationUnitDecl> > {
public:
void checkASTDecl(const TranslationUnitDecl *TU, AnalysisManager& mgr,
BugReporter &BR) const {
CallGraph CG;
CG.addToCallGraph(const_cast<TranslationUnitDecl*>(TU));
CG.viewGraph();
}
};
}
void ento::registerCallGraphViewer(CheckerManager &mgr) {
mgr.registerChecker<CallGraphViewer>();
}
//===----------------------------------------------------------------------===//
// CallGraphDumper
//===----------------------------------------------------------------------===//
namespace {
class CallGraphDumper : public Checker< check::ASTDecl<TranslationUnitDecl> > {
public:
void checkASTDecl(const TranslationUnitDecl *TU, AnalysisManager& mgr,
BugReporter &BR) const {
CallGraph CG;
CG.addToCallGraph(const_cast<TranslationUnitDecl*>(TU));
CG.dump();
}
};
}
void ento::registerCallGraphDumper(CheckerManager &mgr) {
mgr.registerChecker<CallGraphDumper>();
}
//===----------------------------------------------------------------------===//
// ConfigDumper
//===----------------------------------------------------------------------===//
namespace {
class ConfigDumper : public Checker< check::EndOfTranslationUnit > {
typedef AnalyzerOptions::ConfigTable Table;
static int compareEntry(const Table::MapEntryTy *const *LHS,
const Table::MapEntryTy *const *RHS) {
return (*LHS)->getKey().compare((*RHS)->getKey());
}
public:
void checkEndOfTranslationUnit(const TranslationUnitDecl *TU,
AnalysisManager& mgr,
BugReporter &BR) const {
const Table &Config = mgr.options.Config;
SmallVector<const Table::MapEntryTy *, 32> Keys;
for (Table::const_iterator I = Config.begin(), E = Config.end(); I != E;
++I)
Keys.push_back(&*I);
llvm::array_pod_sort(Keys.begin(), Keys.end(), compareEntry);
llvm::errs() << "[config]\n";
for (unsigned I = 0, E = Keys.size(); I != E; ++I)
llvm::errs() << Keys[I]->getKey() << " = " << Keys[I]->second << '\n';
llvm::errs() << "[stats]\n" << "num-entries = " << Keys.size() << '\n';
}
};
}
void ento::registerConfigDumper(CheckerManager &mgr) {
mgr.registerChecker<ConfigDumper>();
}
//===----------------------------------------------------------------------===//
// ExplodedGraph Viewer
//===----------------------------------------------------------------------===//
namespace {
class ExplodedGraphViewer : public Checker< check::EndAnalysis > {
public:
ExplodedGraphViewer() {}
void checkEndAnalysis(ExplodedGraph &G, BugReporter &B,ExprEngine &Eng) const {
Eng.ViewGraph(0);
}
};
}
void ento::registerExplodedGraphViewer(CheckerManager &mgr) {
mgr.registerChecker<ExplodedGraphViewer>();
}
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