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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/PathSensitive/AnalysisManager.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 {
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 > {
public:
void checkEndOfTranslationUnit(const TranslationUnitDecl *TU,
AnalysisManager& mgr,
BugReporter &BR) const {
const AnalyzerOptions::ConfigTable &Config = mgr.options.Config;
AnalyzerOptions::ConfigTable::const_iterator I =
Config.begin(), E = Config.end();
std::vector<StringRef> Keys;
for (; I != E ; ++I) { Keys.push_back(I->getKey()); }
sort(Keys.begin(), Keys.end());
llvm::errs() << "[config]\n";
for (unsigned i = 0, n = Keys.size(); i < n ; ++i) {
StringRef Key = Keys[i];
I = Config.find(Key);
llvm::errs() << Key << " = " << I->second << '\n';
}
llvm::errs() << "[stats]\n" << "num-entries = " << Keys.size() << '\n';
}
};
}
void ento::registerConfigDumper(CheckerManager &mgr) {
mgr.registerChecker<ConfigDumper>();
}
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