1f51a89d39
These were ignored by git accidentally. We want ALL OF THEM since they all came in the llvm/clang source distribution.
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
#include "clang/StaticAnalyzer/Core/Checker.h"
|
|
#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
|
|
#include "clang/StaticAnalyzer/Core/CheckerRegistry.h"
|
|
#include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
|
|
|
|
using namespace clang;
|
|
using namespace ento;
|
|
|
|
namespace {
|
|
class MainCallChecker : public Checker < check::PreStmt<CallExpr> > {
|
|
mutable OwningPtr<BugType> BT;
|
|
|
|
public:
|
|
void checkPreStmt(const CallExpr *CE, CheckerContext &C) const;
|
|
};
|
|
} // end anonymous namespace
|
|
|
|
void MainCallChecker::checkPreStmt(const CallExpr *CE, CheckerContext &C) const {
|
|
const ProgramStateRef state = C.getState();
|
|
const LocationContext *LC = C.getLocationContext();
|
|
const Expr *Callee = CE->getCallee();
|
|
const FunctionDecl *FD = state->getSVal(Callee, LC).getAsFunctionDecl();
|
|
|
|
if (!FD)
|
|
return;
|
|
|
|
// Get the name of the callee.
|
|
IdentifierInfo *II = FD->getIdentifier();
|
|
if (!II) // if no identifier, not a simple C function
|
|
return;
|
|
|
|
if (II->isStr("main")) {
|
|
ExplodedNode *N = C.generateSink();
|
|
if (!N)
|
|
return;
|
|
|
|
if (!BT)
|
|
BT.reset(new BugType("call to main", "example analyzer plugin"));
|
|
|
|
BugReport *report = new BugReport(*BT, BT->getName(), N);
|
|
report->addRange(Callee->getSourceRange());
|
|
C.EmitReport(report);
|
|
}
|
|
}
|
|
|
|
// Register plugin!
|
|
extern "C"
|
|
void clang_registerCheckers (CheckerRegistry ®istry) {
|
|
registry.addChecker<MainCallChecker>("example.MainCallChecker", "Disallows calls to functions called main");
|
|
}
|
|
|
|
extern "C"
|
|
const char clang_analyzerAPIVersionString[] = CLANG_ANALYZER_API_VERSION_STRING;
|