100 lines
3.7 KiB
C++
100 lines
3.7 KiB
C++
//===- AnalysisOrderChecker - Print callbacks called ------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This checker prints callbacks that are called during analysis.
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// This is required to ensure that callbacks are fired in order
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// and do not duplicate or get lost.
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// Feel free to extend this checker with any callback you need to check.
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//
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//===----------------------------------------------------------------------===//
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#include "ClangSACheckers.h"
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#include "clang/StaticAnalyzer/Core/Checker.h"
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#include "clang/StaticAnalyzer/Core/CheckerManager.h"
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#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
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using namespace clang;
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using namespace ento;
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namespace {
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class AnalysisOrderChecker
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: public Checker<check::PreStmt<CastExpr>,
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check::PostStmt<CastExpr>,
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check::PreStmt<ArraySubscriptExpr>,
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check::PostStmt<ArraySubscriptExpr>,
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check::Bind,
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check::RegionChanges> {
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bool isCallbackEnabled(AnalyzerOptions &Opts, StringRef CallbackName) const {
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return Opts.getBooleanOption("*", false, this) ||
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Opts.getBooleanOption(CallbackName, false, this);
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}
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bool isCallbackEnabled(CheckerContext &C, StringRef CallbackName) const {
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AnalyzerOptions &Opts = C.getAnalysisManager().getAnalyzerOptions();
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return isCallbackEnabled(Opts, CallbackName);
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}
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bool isCallbackEnabled(ProgramStateRef State, StringRef CallbackName) const {
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AnalyzerOptions &Opts = State->getStateManager().getOwningEngine()
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->getAnalysisManager().getAnalyzerOptions();
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return isCallbackEnabled(Opts, CallbackName);
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}
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public:
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void checkPreStmt(const CastExpr *CE, CheckerContext &C) const {
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if (isCallbackEnabled(C, "PreStmtCastExpr"))
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llvm::errs() << "PreStmt<CastExpr> (Kind : " << CE->getCastKindName()
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<< ")\n";
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}
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void checkPostStmt(const CastExpr *CE, CheckerContext &C) const {
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if (isCallbackEnabled(C, "PostStmtCastExpr"))
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llvm::errs() << "PostStmt<CastExpr> (Kind : " << CE->getCastKindName()
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<< ")\n";
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}
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void checkPreStmt(const ArraySubscriptExpr *SubExpr,
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CheckerContext &C) const {
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if (isCallbackEnabled(C, "PreStmtArraySubscriptExpr"))
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llvm::errs() << "PreStmt<ArraySubscriptExpr>\n";
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}
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void checkPostStmt(const ArraySubscriptExpr *SubExpr,
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CheckerContext &C) const {
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if (isCallbackEnabled(C, "PostStmtArraySubscriptExpr"))
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llvm::errs() << "PostStmt<ArraySubscriptExpr>\n";
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}
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void checkBind(SVal Loc, SVal Val, const Stmt *S, CheckerContext &C) const {
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if (isCallbackEnabled(C, "Bind"))
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llvm::errs() << "Bind\n";
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}
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ProgramStateRef
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checkRegionChanges(ProgramStateRef State,
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const InvalidatedSymbols *Invalidated,
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ArrayRef<const MemRegion *> ExplicitRegions,
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ArrayRef<const MemRegion *> Regions,
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const LocationContext *LCtx, const CallEvent *Call) const {
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if (isCallbackEnabled(State, "RegionChanges"))
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llvm::errs() << "RegionChanges\n";
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return State;
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}
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};
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} // end anonymous namespace
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//===----------------------------------------------------------------------===//
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// Registration.
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//===----------------------------------------------------------------------===//
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void ento::registerAnalysisOrderChecker(CheckerManager &mgr) {
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mgr.registerChecker<AnalysisOrderChecker>();
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}
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