Implement tooling::Replacements as a class.
Summary:
- Implement clang::tooling::Replacements as a class to provide interfaces to
control how replacements for a single file are combined and provide guarantee
on the order of replacements being applied.
- tooling::Replacements only contains replacements for the same file now.
Use std::map<std::string, tooling::Replacements> to represent multi-file
replacements.
- Error handling for the interface change will be improved in followup patches.
Reviewers: djasper, klimek
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D21748
llvm-svn: 277335
diff --git a/clang/unittests/Tooling/ReplacementTest.h b/clang/unittests/Tooling/ReplacementTest.h
new file mode 100644
index 0000000..91530f0
--- /dev/null
+++ b/clang/unittests/Tooling/ReplacementTest.h
@@ -0,0 +1,56 @@
+//===- unittest/Tooling/ReplacementTest.h - Replacements related test------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines utility class and function for Replacement related tests.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_UNITTESTS_TOOLING_REPLACEMENTTESTBASE_H
+#define LLVM_CLANG_UNITTESTS_TOOLING_REPLACEMENTTESTBASE_H
+
+#include "RewriterTestContext.h"
+#include "clang/Tooling/Core/Replacement.h"
+#include "gtest/gtest.h"
+
+namespace clang {
+namespace tooling {
+
+/// \brief Converts a set of replacements to Replacements class.
+/// \return A Replacements class containing \p Replaces on success; otherwise,
+/// an empty Replacements is returned.
+static tooling::Replacements
+toReplacements(const std::set<tooling::Replacement> &Replaces) {
+ tooling::Replacements Result;
+ for (const auto &R : Replaces) {
+ auto Err = Result.add(R);
+ EXPECT_TRUE(!Err);
+ if (Err) {
+ llvm::errs() << llvm::toString(std::move(Err)) << "\n";
+ return tooling::Replacements();
+ }
+ }
+ return Result;
+}
+
+/// \brief A utility class for replacement related tests.
+class ReplacementTest : public ::testing::Test {
+protected:
+ tooling::Replacement createReplacement(SourceLocation Start, unsigned Length,
+ llvm::StringRef ReplacementText) {
+ return tooling::Replacement(Context.Sources, Start, Length,
+ ReplacementText);
+ }
+
+ RewriterTestContext Context;
+};
+
+} // namespace tooling
+} // namespace clang
+
+#endif // LLVM_CLANG_UNITTESTS_TOOLING_REPLACEMENTTESTBASE_H