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authorArgyrios Kyrtzidis <akyrtzi@gmail.com>2010-12-22 18:52:29 +0000
committerArgyrios Kyrtzidis <akyrtzi@gmail.com>2010-12-22 18:52:29 +0000
commitbce30c533a2b444db97533e3a9a567558120bd70 (patch)
treeb730703a0680231ab757d3f3e607251b4c78e155 /lib/Checker/AnalyzerStatsChecker.cpp
parent98cabbad47a4d9db6b7e95c950d3302c110d1b02 (diff)
[analyzer] Refactoring: lib/Checker -> lib/GR and libclangChecker -> libclangGRCore
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122421 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Checker/AnalyzerStatsChecker.cpp')
-rw-r--r--lib/Checker/AnalyzerStatsChecker.cpp119
1 files changed, 0 insertions, 119 deletions
diff --git a/lib/Checker/AnalyzerStatsChecker.cpp b/lib/Checker/AnalyzerStatsChecker.cpp
deleted file mode 100644
index 2a229cc7e9..0000000000
--- a/lib/Checker/AnalyzerStatsChecker.cpp
+++ /dev/null
@@ -1,119 +0,0 @@
-//==--AnalyzerStatsChecker.cpp - Analyzer visitation statistics --*- C++ -*-==//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-// This file reports various statistics about analyzer visitation.
-//===----------------------------------------------------------------------===//
-
-#include "clang/GR/PathSensitive/CheckerVisitor.h"
-#include "clang/GR/PathSensitive/ExplodedGraph.h"
-#include "clang/GR/BugReporter/BugReporter.h"
-#include "GRExprEngineExperimentalChecks.h"
-#include "clang/Basic/SourceManager.h"
-#include "llvm/ADT/SmallPtrSet.h"
-
-using namespace clang;
-
-namespace {
-class AnalyzerStatsChecker : public CheckerVisitor<AnalyzerStatsChecker> {
-public:
- static void *getTag();
- void VisitEndAnalysis(ExplodedGraph &G, BugReporter &B, GRExprEngine &Eng);
-
-private:
- llvm::SmallPtrSet<const CFGBlock*, 256> reachable;
-};
-}
-
-void *AnalyzerStatsChecker::getTag() {
- static int x = 0;
- return &x;
-}
-
-void clang::RegisterAnalyzerStatsChecker(GRExprEngine &Eng) {
- Eng.registerCheck(new AnalyzerStatsChecker());
-}
-
-void AnalyzerStatsChecker::VisitEndAnalysis(ExplodedGraph &G,
- BugReporter &B,
- GRExprEngine &Eng) {
- const CFG *C = 0;
- const Decl *D = 0;
- const LocationContext *LC = 0;
- const SourceManager &SM = B.getSourceManager();
-
- // Iterate over explodedgraph
- for (ExplodedGraph::node_iterator I = G.nodes_begin();
- I != G.nodes_end(); ++I) {
- const ProgramPoint &P = I->getLocation();
- // Save the LocationContext if we don't have it already
- if (!LC)
- LC = P.getLocationContext();
-
- if (const BlockEntrance *BE = dyn_cast<BlockEntrance>(&P)) {
- const CFGBlock *CB = BE->getBlock();
- reachable.insert(CB);
- }
- }
-
- // Get the CFG and the Decl of this block
- C = LC->getCFG();
- D = LC->getAnalysisContext()->getDecl();
-
- unsigned total = 0, unreachable = 0;
-
- // Find CFGBlocks that were not covered by any node
- for (CFG::const_iterator I = C->begin(); I != C->end(); ++I) {
- const CFGBlock *CB = *I;
- ++total;
- // Check if the block is unreachable
- if (!reachable.count(CB)) {
- ++unreachable;
- }
- }
-
- // We never 'reach' the entry block, so correct the unreachable count
- unreachable--;
-
- // Generate the warning string
- llvm::SmallString<128> buf;
- llvm::raw_svector_ostream output(buf);
- PresumedLoc Loc = SM.getPresumedLoc(D->getLocation());
- if (Loc.isValid()) {
- output << Loc.getFilename() << " : ";
-
- if (isa<FunctionDecl>(D) || isa<ObjCMethodDecl>(D)) {
- const NamedDecl *ND = cast<NamedDecl>(D);
- output << ND;
- }
- else if (isa<BlockDecl>(D)) {
- output << "block(line:" << Loc.getLine() << ":col:" << Loc.getColumn();
- }
- }
-
- output << " -> Total CFGBlocks: " << total << " | Unreachable CFGBlocks: "
- << unreachable << " | Aborted Block: "
- << (Eng.wasBlockAborted() ? "yes" : "no")
- << " | Empty WorkList: "
- << (Eng.hasEmptyWorkList() ? "yes" : "no");
-
- B.EmitBasicReport("Analyzer Statistics", "Internal Statistics", output.str(),
- D->getLocation());
-
- // Emit warning for each block we bailed out on
- typedef GRCoreEngine::BlocksAborted::const_iterator AbortedIterator;
- const GRCoreEngine &CE = Eng.getCoreEngine();
- for (AbortedIterator I = CE.blocks_aborted_begin(),
- E = CE.blocks_aborted_end(); I != E; ++I) {
- const BlockEdge &BE = I->first;
- const CFGBlock *Exit = BE.getDst();
- const CFGElement &CE = Exit->front();
- if (const CFGStmt *CS = dyn_cast<CFGStmt>(&CE))
- B.EmitBasicReport("Bailout Point", "Internal Statistics", "The analyzer "
- "stopped analyzing at this point", CS->getStmt()->getLocStart());
- }
-}