r264745 - Added formatAndApplyAllReplacements that works on multiple files in libTooling.

Teresa Johnson via cfe-commits cfe-commits at lists.llvm.org
Tue Mar 29 11:08:22 PDT 2016


Hi Eric,

I'm getting a build error:

In file included from
/usr/local/google/home/tejohnson/llvm/llvm_16/tools/clang/lib/Tooling/Refactoring.cpp:21:
/usr/local/google/home/tejohnson/llvm/llvm_16/tools/clang/include/clang/Tooling/Refactoring.h:32:1:
error: class 'FormatStyle' was previously declared as a struct
[-Werror,-Wmismatched-tags]
class FormatStyle;
^
/usr/local/google/home/tejohnson/llvm/llvm_16/tools/clang/include/clang/Format/Format.h:43:8:
note: previous use is here
struct FormatStyle {
       ^
/usr/local/google/home/tejohnson/llvm/llvm_16/tools/clang/include/clang/Tooling/Refactoring.h:32:1:
note: did you mean struct here?
class FormatStyle;
^~~~~
struct
1 error generated.
ninja: build stopped: subcommand failed.


Looks like you added the "class FormatStyle" in Refactoring.h, looks like
this should be a struct instead.

Thanks,
Teresa

On Tue, Mar 29, 2016 at 9:31 AM, Eric Liu via cfe-commits <
cfe-commits at lists.llvm.org> wrote:

> Author: ioeric
> Date: Tue Mar 29 11:31:53 2016
> New Revision: 264745
>
> URL: http://llvm.org/viewvc/llvm-project?rev=264745&view=rev
> Log:
> Added formatAndApplyAllReplacements that works on multiple files in
> libTooling.
>
> Summary:
> formatAndApplyAllReplacements takes a set of Replacements, applies them on
> a
> Rewriter, and reformats the changed code.
>
> Reviewers: klimek, djasper
>
> Subscribers: ioeric, klimek, cfe-commits
>
> Differential Revision: http://reviews.llvm.org/D17852
>
> Modified:
>     cfe/trunk/include/clang/Basic/SourceManager.h
>     cfe/trunk/include/clang/Format/Format.h
>     cfe/trunk/include/clang/Tooling/Core/Replacement.h
>     cfe/trunk/include/clang/Tooling/Refactoring.h
>     cfe/trunk/lib/Format/Format.cpp
>     cfe/trunk/lib/Tooling/CMakeLists.txt
>     cfe/trunk/lib/Tooling/Core/Replacement.cpp
>     cfe/trunk/lib/Tooling/Refactoring.cpp
>     cfe/trunk/unittests/Format/FormatTest.cpp
>     cfe/trunk/unittests/Tooling/CMakeLists.txt
>     cfe/trunk/unittests/Tooling/RefactoringTest.cpp
>
> Modified: cfe/trunk/include/clang/Basic/SourceManager.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/SourceManager.h?rev=264745&r1=264744&r2=264745&view=diff
>
> ==============================================================================
> --- cfe/trunk/include/clang/Basic/SourceManager.h (original)
> +++ cfe/trunk/include/clang/Basic/SourceManager.h Tue Mar 29 11:31:53 2016
> @@ -797,6 +797,15 @@ public:
>                          IncludeLoc, FileCharacter, LoadedID,
> LoadedOffset);
>    }
>
> +  /// \brief Get the FileID for \p SourceFile if it exists. Otherwise,
> create a
> +  /// new FileID for the \p SourceFile.
> +  FileID getOrCreateFileID(const FileEntry *SourceFile,
> +                           SrcMgr::CharacteristicKind FileCharacter) {
> +    FileID ID = translateFile(SourceFile);
> +    return ID.isValid() ? ID : createFileID(SourceFile, SourceLocation(),
> +                                            FileCharacter);
> +  }
> +
>    /// \brief Return a new SourceLocation that encodes the
>    /// fact that a token from SpellingLoc should actually be referenced
> from
>    /// ExpansionLoc, and that it represents the expansion of a macro
> argument
>
> Modified: cfe/trunk/include/clang/Format/Format.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Format/Format.h?rev=264745&r1=264744&r2=264745&view=diff
>
> ==============================================================================
> --- cfe/trunk/include/clang/Format/Format.h (original)
> +++ cfe/trunk/include/clang/Format/Format.h Tue Mar 29 11:31:53 2016
> @@ -766,22 +766,6 @@ tooling::Replacements formatReplacements
>                                           const tooling::Replacements
> &Replaces,
>                                           const FormatStyle &Style);
>
> -/// \brief In addition to applying all replacements in \p Replaces to \p
> Code,
> -/// this function also reformats the changed code after applying
> replacements.
> -///
> -/// \pre Replacements must be for the same file and conflict-free.
> -///
> -/// Replacement applications happen independently of the success of
> -/// other applications.
> -///
> -/// \returns the changed code with all replacements applied and
> formatted, if
> -/// successful. An empty string otherwise.
> -///
> -/// See also "include/clang/Tooling/Core/Replacements.h".
> -std::string applyAllReplacementsAndFormat(StringRef Code,
> -                                          const tooling::Replacements
> &Replaces,
> -                                          const FormatStyle &Style);
> -
>  /// \brief Reformats the given \p Ranges in the file \p ID.
>  ///
>  /// Each range is extended on either end to its next bigger logic unit,
> i.e.
>
> Modified: cfe/trunk/include/clang/Tooling/Core/Replacement.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Tooling/Core/Replacement.h?rev=264745&r1=264744&r2=264745&view=diff
>
> ==============================================================================
> --- cfe/trunk/include/clang/Tooling/Core/Replacement.h (original)
> +++ cfe/trunk/include/clang/Tooling/Core/Replacement.h Tue Mar 29 11:31:53
> 2016
> @@ -22,6 +22,7 @@
>  #include "clang/Basic/LangOptions.h"
>  #include "clang/Basic/SourceLocation.h"
>  #include "llvm/ADT/StringRef.h"
> +#include <map>
>  #include <set>
>  #include <string>
>  #include <vector>
> @@ -220,12 +221,16 @@ bool applyAllReplacements(const std::vec
>  /// replacements cannot be applied, this returns an empty \c string.
>  std::string applyAllReplacements(StringRef Code, const Replacements
> &Replaces);
>
> -/// \brief Calculate the ranges in a single file that are affected by the
> +/// \brief Calculates the ranges in a single file that are affected by the
>  /// Replacements.
>  ///
>  /// \pre Replacements must be for the same file.
> -std::vector<tooling::Range>
> -calculateChangedRangesInFile(const tooling::Replacements &Replaces);
> +std::vector<Range> calculateChangedRanges(const Replacements &Replaces);
> +
> +/// \brief Groups a random set of replacements by file path. Replacements
> +/// related to the same file entry are put into the same vector.
> +std::map<std::string, Replacements>
> +groupReplacementsByFile(const Replacements &Replaces);
>
>  /// \brief Merges two sets of replacements with the second set referring
> to the
>  /// code after applying the first set. Within both 'First' and 'Second',
>
> Modified: cfe/trunk/include/clang/Tooling/Refactoring.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Tooling/Refactoring.h?rev=264745&r1=264744&r2=264745&view=diff
>
> ==============================================================================
> --- cfe/trunk/include/clang/Tooling/Refactoring.h (original)
> +++ cfe/trunk/include/clang/Tooling/Refactoring.h Tue Mar 29 11:31:53 2016
> @@ -27,6 +27,12 @@ namespace clang {
>
>  class Rewriter;
>
> +namespace format {
> +
> +class FormatStyle;
> +
> +} // namespace format
> +
>  namespace tooling {
>
>  /// \brief A tool to run refactorings.
> @@ -68,6 +74,24 @@ private:
>    Replacements Replace;
>  };
>
> +/// \brief Groups \p Replaces by the file path and applies each group of
> +/// Replacements on the related file in \p Rewriter. In addition to
> applying
> +/// given Replacements, this function also formats the changed code.
> +///
> +/// \pre Replacements must be conflict-free.
> +///
> +/// Replacement applications happen independently of the success of other
> +/// applications.
> +///
> +/// \param[in] Replaces Replacements to apply.
> +/// \param[in] Rewrite The `Rewritter` to apply replacements on.
> +/// \param[in] Style The style name used for reformatting. See
> ```getStyle``` in
> +/// "include/clang/Format/Format.h" for all possible style forms.
> +///
> +/// \returns true if all replacements applied and formatted. false
> otherwise.
> +bool formatAndApplyAllReplacements(const Replacements &Replaces,
> +                                   Rewriter &Rewrite, StringRef Style =
> "file");
> +
>  } // end namespace tooling
>  } // end namespace clang
>
>
> Modified: cfe/trunk/lib/Format/Format.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Format/Format.cpp?rev=264745&r1=264744&r2=264745&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/Format/Format.cpp (original)
> +++ cfe/trunk/lib/Format/Format.cpp Tue Mar 29 11:31:53 2016
> @@ -1998,7 +1998,7 @@ tooling::Replacements formatReplacements
>
>    std::string NewCode = applyAllReplacements(Code, Replaces);
>    std::vector<tooling::Range> ChangedRanges =
> -      tooling::calculateChangedRangesInFile(Replaces);
> +      tooling::calculateChangedRanges(Replaces);
>    StringRef FileName = Replaces.begin()->getFilePath();
>    tooling::Replacements FormatReplaces =
>        reformat(Style, NewCode, ChangedRanges, FileName);
> @@ -2009,16 +2009,6 @@ tooling::Replacements formatReplacements
>    return MergedReplacements;
>  }
>
> -std::string applyAllReplacementsAndFormat(StringRef Code,
> -                                          const tooling::Replacements
> &Replaces,
> -                                          const FormatStyle &Style) {
> -  tooling::Replacements NewReplacements =
> -      formatReplacements(Code, Replaces, Style);
> -  if (NewReplacements.empty())
> -    return Code; // Exit early to avoid overhead in
> `applyAllReplacements`.
> -  return applyAllReplacements(Code, NewReplacements);
> -}
> -
>  tooling::Replacements reformat(const FormatStyle &Style,
>                                 SourceManager &SourceMgr, FileID ID,
>                                 ArrayRef<CharSourceRange> Ranges,
>
> Modified: cfe/trunk/lib/Tooling/CMakeLists.txt
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Tooling/CMakeLists.txt?rev=264745&r1=264744&r2=264745&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/Tooling/CMakeLists.txt (original)
> +++ cfe/trunk/lib/Tooling/CMakeLists.txt Tue Mar 29 11:31:53 2016
> @@ -17,6 +17,7 @@ add_clang_library(clangTooling
>    clangASTMatchers
>    clangBasic
>    clangDriver
> +  clangFormat
>    clangFrontend
>    clangLex
>    clangRewrite
>
> Modified: cfe/trunk/lib/Tooling/Core/Replacement.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Tooling/Core/Replacement.cpp?rev=264745&r1=264744&r2=264745&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/Tooling/Core/Replacement.cpp (original)
> +++ cfe/trunk/lib/Tooling/Core/Replacement.cpp Tue Mar 29 11:31:53 2016
> @@ -58,14 +58,8 @@ bool Replacement::apply(Rewriter &Rewrit
>    const FileEntry *Entry = SM.getFileManager().getFile(FilePath);
>    if (!Entry)
>      return false;
> -  FileID ID;
> -  // FIXME: Use SM.translateFile directly.
> -  SourceLocation Location = SM.translateFileLineCol(Entry, 1, 1);
> -  ID = Location.isValid() ?
> -    SM.getFileID(Location) :
> -    SM.createFileID(Entry, SourceLocation(), SrcMgr::C_User);
> -  // FIXME: We cannot check whether Offset + Length is in the file, as
> -  // the remapping API is not public in the RewriteBuffer.
> +
> +  FileID ID = SM.getOrCreateFileID(Entry, SrcMgr::C_User);
>    const SourceLocation Start =
>      SM.getLocForStartOfFile(ID).
>      getLocWithOffset(ReplacementRange.getOffset());
> @@ -256,6 +250,8 @@ bool applyAllReplacements(const std::vec
>  }
>
>  std::string applyAllReplacements(StringRef Code, const Replacements
> &Replaces) {
> +  if (Replaces.empty()) return Code;
> +
>    IntrusiveRefCntPtr<vfs::InMemoryFileSystem> InMemoryFileSystem(
>        new vfs::InMemoryFileSystem);
>    FileManager Files(FileSystemOptions(), InMemoryFileSystem);
> @@ -282,7 +278,7 @@ std::string applyAllReplacements(StringR
>    return Result;
>  }
>
> -std::vector<Range> calculateChangedRangesInFile(const Replacements
> &Replaces) {
> +std::vector<Range> calculateChangedRanges(const Replacements &Replaces) {
>    std::vector<Range> ChangedRanges;
>    int Shift = 0;
>    for (const Replacement &R : Replaces) {
> @@ -390,6 +386,15 @@ private:
>  };
>  } // namespace
>
> +std::map<std::string, Replacements>
> +groupReplacementsByFile(const Replacements &Replaces) {
> +  std::map<std::string, Replacements> FileToReplaces;
> +  for (const auto &Replace : Replaces) {
> +    FileToReplaces[Replace.getFilePath()].insert(Replace);
> +  }
> +  return FileToReplaces;
> +}
> +
>  Replacements mergeReplacements(const Replacements &First,
>                                 const Replacements &Second) {
>    if (First.empty() || Second.empty())
>
> Modified: cfe/trunk/lib/Tooling/Refactoring.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Tooling/Refactoring.cpp?rev=264745&r1=264744&r2=264745&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/Tooling/Refactoring.cpp (original)
> +++ cfe/trunk/lib/Tooling/Refactoring.cpp Tue Mar 29 11:31:53 2016
> @@ -14,6 +14,7 @@
>  #include "clang/Basic/DiagnosticOptions.h"
>  #include "clang/Basic/FileManager.h"
>  #include "clang/Basic/SourceManager.h"
> +#include "clang/Format/Format.h"
>  #include "clang/Frontend/TextDiagnosticPrinter.h"
>  #include "clang/Lex/Lexer.h"
>  #include "clang/Rewrite/Core/Rewriter.h"
> @@ -61,5 +62,29 @@ int RefactoringTool::saveRewrittenFiles(
>    return Rewrite.overwriteChangedFiles() ? 1 : 0;
>  }
>
> +bool formatAndApplyAllReplacements(const Replacements &Replaces,
> +                                   Rewriter &Rewrite, StringRef Style) {
> +  SourceManager &SM = Rewrite.getSourceMgr();
> +  FileManager &Files = SM.getFileManager();
> +
> +  auto FileToReplaces = groupReplacementsByFile(Replaces);
> +
> +  bool Result = true;
> +  for (auto &FileAndReplaces : FileToReplaces) {
> +    const std::string FilePath = FileAndReplaces.first;
> +    auto &CurReplaces = FileAndReplaces.second;
> +
> +    const FileEntry *Entry = Files.getFile(FilePath);
> +    FileID ID = SM.getOrCreateFileID(Entry, SrcMgr::C_User);
> +    StringRef Code = SM.getBufferData(ID);
> +
> +    format::FormatStyle CurStyle = format::getStyle(Style, FilePath,
> "LLVM");
> +    Replacements NewReplacements =
> +        format::formatReplacements(Code, CurReplaces, CurStyle);
> +    Result = applyAllReplacements(NewReplacements, Rewrite) && Result;
> +  }
> +  return Result;
> +}
> +
>  } // end namespace tooling
>  } // end namespace clang
>
> Modified: cfe/trunk/unittests/Format/FormatTest.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/Format/FormatTest.cpp?rev=264745&r1=264744&r2=264745&view=diff
>
> ==============================================================================
> --- cfe/trunk/unittests/Format/FormatTest.cpp (original)
> +++ cfe/trunk/unittests/Format/FormatTest.cpp Tue Mar 29 11:31:53 2016
> @@ -11270,7 +11270,8 @@ TEST_F(ReplacementTest, FormatCodeAfterR
>
>    format::FormatStyle Style = format::getLLVMStyle();
>    Style.ColumnLimit = 20; // Set column limit to 20 to increase
> readibility.
> -  EXPECT_EQ(Expected, applyAllReplacementsAndFormat(Code, Replaces,
> Style));
> +  EXPECT_EQ(Expected, applyAllReplacements(
> +                          Code, formatReplacements(Code, Replaces,
> Style)));
>  }
>
>  } // end namespace
>
> Modified: cfe/trunk/unittests/Tooling/CMakeLists.txt
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/Tooling/CMakeLists.txt?rev=264745&r1=264744&r2=264745&view=diff
>
> ==============================================================================
> --- cfe/trunk/unittests/Tooling/CMakeLists.txt (original)
> +++ cfe/trunk/unittests/Tooling/CMakeLists.txt Tue Mar 29 11:31:53 2016
> @@ -30,6 +30,7 @@ target_link_libraries(ToolingTests
>    clangAST
>    clangASTMatchers
>    clangBasic
> +  clangFormat
>    clangFrontend
>    clangLex
>    clangRewrite
>
> Modified: cfe/trunk/unittests/Tooling/RefactoringTest.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/unittests/Tooling/RefactoringTest.cpp?rev=264745&r1=264744&r2=264745&view=diff
>
> ==============================================================================
> --- cfe/trunk/unittests/Tooling/RefactoringTest.cpp (original)
> +++ cfe/trunk/unittests/Tooling/RefactoringTest.cpp Tue Mar 29 11:31:53
> 2016
> @@ -18,6 +18,7 @@
>  #include "clang/Basic/FileManager.h"
>  #include "clang/Basic/LangOptions.h"
>  #include "clang/Basic/SourceManager.h"
> +#include "clang/Format/Format.h"
>  #include "clang/Frontend/CompilerInstance.h"
>  #include "clang/Frontend/FrontendAction.h"
>  #include "clang/Frontend/TextDiagnosticPrinter.h"
> @@ -166,6 +167,39 @@ TEST_F(ReplacementTest, ApplyAllFailsIfO
>    EXPECT_EQ("z", Context.getRewrittenText(IDz));
>  }
>
> +TEST_F(ReplacementTest, MultipleFilesReplaceAndFormat) {
> +  // Column limit is 20.
> +  std::string Code1 = "Long *a =\n"
> +                      "    new Long();\n"
> +                      "long x = 1;";
> +  std::string Expected1 = "auto a = new Long();\n"
> +                          "long x =\n"
> +                          "    12345678901;";
> +  std::string Code2 = "int x = 123;\n"
> +                      "int y = 0;";
> +  std::string Expected2 = "int x =\n"
> +                          "    1234567890123;\n"
> +                          "int y = 10;";
> +  FileID ID1 = Context.createInMemoryFile("format_1.cpp", Code1);
> +  FileID ID2 = Context.createInMemoryFile("format_2.cpp", Code2);
> +
> +  tooling::Replacements Replaces;
> +  // Scrambled the order of replacements.
> +  Replaces.insert(tooling::Replacement(
> +      Context.Sources, Context.getLocation(ID2, 1, 12), 0, "4567890123"));
> +  Replaces.insert(tooling::Replacement(
> +      Context.Sources, Context.getLocation(ID1, 1, 1), 6, "auto "));
> +  Replaces.insert(tooling::Replacement(
> +      Context.Sources, Context.getLocation(ID2, 2, 9), 1, "10"));
> +  Replaces.insert(tooling::Replacement(
> +      Context.Sources, Context.getLocation(ID1, 3, 10), 1,
> "12345678901"));
> +
> +  EXPECT_TRUE(formatAndApplyAllReplacements(
> +      Replaces, Context.Rewrite, "{BasedOnStyle: LLVM, ColumnLimit:
> 20}"));
> +  EXPECT_EQ(Expected1, Context.getRewrittenText(ID1));
> +  EXPECT_EQ(Expected2, Context.getRewrittenText(ID2));
> +}
> +
>  TEST(ShiftedCodePositionTest, FindsNewCodePosition) {
>    Replacements Replaces;
>    Replaces.insert(Replacement("", 0, 1, ""));
> @@ -426,7 +460,7 @@ TEST(Range, CalculateRangesOfReplacement
>    Replaces.insert(Replacement("foo", 10, 1, "zzzzzz"));
>    Replaces.insert(Replacement("foo", 11, 0, "oooooooooooooooo"));
>
> -  std::vector<Range> Ranges = calculateChangedRangesInFile(Replaces);
> +  std::vector<Range> Ranges = calculateChangedRanges(Replaces);
>
>    EXPECT_EQ(3ul, Ranges.size());
>    EXPECT_TRUE(Ranges[0].getOffset() == 0);
>
>
> _______________________________________________
> cfe-commits mailing list
> cfe-commits at lists.llvm.org
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>



-- 
Teresa Johnson |  Software Engineer |  tejohnson at google.com |  408-460-2413
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