forked from OSchip/llvm-project
108 lines
4.2 KiB
C++
108 lines
4.2 KiB
C++
//===--- TestSupport.h - Clang-based refactoring tool -----------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
///
|
|
/// \file
|
|
/// \brief Declares datatypes and routines that are used by test-specific code
|
|
/// in clang-refactor.
|
|
///
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_CLANG_TOOLS_CLANG_REFACTOR_TEST_SUPPORT_H
|
|
#define LLVM_CLANG_TOOLS_CLANG_REFACTOR_TEST_SUPPORT_H
|
|
|
|
#include "ToolRefactoringResultConsumer.h"
|
|
#include "clang/Basic/LLVM.h"
|
|
#include "clang/Basic/SourceLocation.h"
|
|
#include "llvm/ADT/Optional.h"
|
|
#include "llvm/ADT/SmallVector.h"
|
|
#include "llvm/Support/Error.h"
|
|
#include <map>
|
|
#include <string>
|
|
|
|
namespace clang {
|
|
|
|
class SourceManager;
|
|
|
|
namespace refactor {
|
|
|
|
/// A source selection range that's specified in a test file using an inline
|
|
/// command in the comment. These commands can take the following forms:
|
|
///
|
|
/// - /*range=*/ will create an empty selection range in the default group
|
|
/// right after the comment.
|
|
/// - /*range a=*/ will create an empty selection range in the 'a' group right
|
|
/// after the comment.
|
|
/// - /*range = +1*/ will create an empty selection range at a location that's
|
|
/// right after the comment with one offset to the column.
|
|
/// - /*range= -> +2:3*/ will create a selection range that starts at the
|
|
/// location right after the comment, and ends at column 3 of the 2nd line
|
|
/// after the line of the starting location.
|
|
///
|
|
/// Clang-refactor will expected all ranges in one test group to produce
|
|
/// identical results.
|
|
struct TestSelectionRange {
|
|
unsigned Begin, End;
|
|
};
|
|
|
|
/// A set of test selection ranges specified in one file.
|
|
struct TestSelectionRangesInFile {
|
|
std::string Filename;
|
|
struct RangeGroup {
|
|
std::string Name;
|
|
SmallVector<TestSelectionRange, 8> Ranges;
|
|
};
|
|
std::vector<RangeGroup> GroupedRanges;
|
|
|
|
TestSelectionRangesInFile(TestSelectionRangesInFile &&) = default;
|
|
TestSelectionRangesInFile &operator=(TestSelectionRangesInFile &&) = default;
|
|
|
|
bool foreachRange(const SourceManager &SM,
|
|
llvm::function_ref<void(SourceRange)> Callback) const;
|
|
|
|
std::unique_ptr<ClangRefactorToolConsumerInterface> createConsumer() const;
|
|
|
|
void dump(llvm::raw_ostream &OS) const;
|
|
};
|
|
|
|
/// Extracts the grouped selection ranges from the file that's specified in
|
|
/// the -selection=test:<filename> option.
|
|
///
|
|
/// The grouped ranges are specified in comments using the following syntax:
|
|
/// "range" [ group-name ] "=" [ "+" starting-column-offset ] [ "->"
|
|
/// "+" ending-line-offset ":"
|
|
/// ending-column-position ]
|
|
///
|
|
/// The selection range is then computed from this command by taking the ending
|
|
/// location of the comment, and adding 'starting-column-offset' to the column
|
|
/// for that location. That location in turns becomes the whole selection range,
|
|
/// unless 'ending-line-offset' and 'ending-column-position' are specified. If
|
|
/// they are specified, then the ending location of the selection range is
|
|
/// the starting location's line + 'ending-line-offset' and the
|
|
/// 'ending-column-position' column.
|
|
///
|
|
/// All selection ranges in one group are expected to produce the same
|
|
/// refactoring result.
|
|
///
|
|
/// When testing, zero is returned from clang-refactor even when a group
|
|
/// produces an initiation error, which is different from normal invocation
|
|
/// that returns a non-zero value. This is done on purpose, to ensure that group
|
|
/// consistency checks can return non-zero, but still print the output of
|
|
/// the group. So even if a test matches the output of group, it will still fail
|
|
/// because clang-refactor should return zero on exit when the group results are
|
|
/// consistent.
|
|
///
|
|
/// \returns None on failure (errors are emitted to stderr), or a set of
|
|
/// grouped source ranges in the given file otherwise.
|
|
Optional<TestSelectionRangesInFile> findTestSelectionRanges(StringRef Filename);
|
|
|
|
} // end namespace refactor
|
|
} // end namespace clang
|
|
|
|
#endif // LLVM_CLANG_TOOLS_CLANG_REFACTOR_TEST_SUPPORT_H
|