void BlockObjCVariableTraverser::traverseBody(BodyContext &BodyCtx) {
MigrationPass &Pass = BodyCtx.getMigrationContext().Pass;
llvm::DenseSet<VarDecl *> VarsToChange;
BlockObjCVarRewriter trans(VarsToChange);
trans.TraverseStmt(BodyCtx.getTopStmt());
for (llvm::DenseSet<VarDecl *>::iterator
I = VarsToChange.begin(), E = VarsToChange.end(); I != E; ++I) {
VarDecl *var = *I;
BlocksAttr *attr = var->getAttr<BlocksAttr>();
if(!attr)
continue;
bool useWeak = canApplyWeak(Pass.Ctx, var->getType());
SourceManager &SM = Pass.Ctx.getSourceManager();
Transaction Trans(Pass.TA);
Pass.TA.replaceText(SM.getExpansionLoc(attr->getLocation()),
"__block",
useWeak ? "__weak" : "__unsafe_unretained");
}
}
void GCCollectableCallsTraverser::traverseBody(BodyContext &BodyCtx) {
GCCollectableCallsChecker(BodyCtx.getMigrationContext())
.TraverseStmt(BodyCtx.getTopStmt());
}