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//===--- LocalizeObjCString.cpp - ----------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Implements the "Wrap in NSLocalizedString" refactoring operation.
//
//===----------------------------------------------------------------------===//
#include "RefactoringOperations.h"
#include "SourceLocationUtilities.h"
#include "clang/AST/AST.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Expr.h"
using namespace clang;
using namespace clang::tooling;
namespace {
class LocalizeObjCStringLiteralOperation : public RefactoringOperation {
public:
LocalizeObjCStringLiteralOperation(const ObjCStringLiteral *E) : E(E) {}
const Stmt *getTransformedStmt() const override { return E; }
llvm::Expected<RefactoringResult> perform(ASTContext &Context, const Preprocessor &ThePreprocessor,
const RefactoringOptionSet &Options,
unsigned SelectedCandidateIndex) override;
const ObjCStringLiteral *E;
};
} // end anonymous namespace
RefactoringOperationResult
clang::tooling::initiateLocalizeObjCStringLiteralOperation(
ASTSlice &Slice, ASTContext &Context, SourceLocation Location,
SourceRange SelectionRange, bool CreateOperation) {
const ObjCStringLiteral *E;
if (SelectionRange.isValid()) {
auto SelectedSet = Slice.getSelectedStmtSet();
if (!SelectedSet)
return std::nullopt;
E = dyn_cast_or_null<ObjCStringLiteral>(
SelectedSet->containsSelectionRange);
} else
E = cast_or_null<ObjCStringLiteral>(
Slice.nearestStmt(Stmt::ObjCStringLiteralClass));
if (!E)
return std::nullopt;
RefactoringOperationResult Result;
Result.Initiated = true;
if (!CreateOperation)
return Result;
auto Operation = std::make_unique<LocalizeObjCStringLiteralOperation>(E);
Result.RefactoringOp = std::move(Operation);
return Result;
}
llvm::Expected<RefactoringResult>
LocalizeObjCStringLiteralOperation::perform(ASTContext &Context,
const Preprocessor &ThePreprocessor,
const RefactoringOptionSet &Options,
unsigned SelectedCandidateIndex) {
std::vector<RefactoringReplacement> Replacements;
// TODO: New API: Replace by something like Node.wrap("NSLocalizedString(", ",
// @""")
SourceLocation LocStart =
Context.getSourceManager().getSpellingLoc(E->getBeginLoc());
Replacements.emplace_back(SourceRange(LocStart, LocStart),
StringRef("NSLocalizedString("));
SourceLocation LocEnd = getPreciseTokenLocEnd(
Context.getSourceManager().getSpellingLoc(E->getEndLoc()),
Context.getSourceManager(), Context.getLangOpts());
Replacements.emplace_back(SourceRange(LocEnd, LocEnd), StringRef(", @\"\")"));
return std::move(Replacements);
}
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