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//===--- TransGCCalls.cpp - Tranformations to ARC mode --------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "Transforms.h"
#include "Internals.h"
#include "clang/Sema/SemaDiagnostic.h"
using namespace clang;
using namespace arcmt;
using namespace trans;
namespace {
class GCCollectableCallsChecker :
public RecursiveASTVisitor<GCCollectableCallsChecker> {
MigrationContext &MigrateCtx;
ParentMap &PMap;
IdentifierInfo *NSMakeCollectableII;
public:
GCCollectableCallsChecker(MigrationContext &ctx, ParentMap &map)
: MigrateCtx(ctx), PMap(map) {
NSMakeCollectableII =
&MigrateCtx.getPass().Ctx.Idents.get("NSMakeCollectable");
}
bool VisitCallExpr(CallExpr *E) {
Expr *CEE = E->getCallee()->IgnoreParenImpCasts();
if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(CEE)) {
if (FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(DRE->getDecl())) {
if (FD->getDeclContext()->getRedeclContext()->isFileContext() &&
FD->getIdentifier() == NSMakeCollectableII) {
TransformActions &TA = MigrateCtx.getPass().TA;
Transaction Trans(TA);
TA.clearDiagnostic(diag::err_unavailable,
diag::err_unavailable_message,
DRE->getSourceRange());
TA.replace(DRE->getSourceRange(), "CFBridgingRelease");
}
}
}
return true;
}
};
} // anonymous namespace
void GCCollectableCallsTraverser::traverseBody(BodyContext &BodyCtx) {
GCCollectableCallsChecker(BodyCtx.getMigrationContext(),
BodyCtx.getParentMap())
.TraverseStmt(BodyCtx.getTopStmt());
}
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