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
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.
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/SourceLocation.h"
#include "llvm/ADT/StringRef.h"
+#include <map>
#include <set>
#include <string>
#include <vector>
/// 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',
class Rewriter;
+namespace format {
+
+class FormatStyle;
+
+} // namespace format
+
namespace tooling {
/// \brief A tool to run refactorings.
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
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);
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,
clangASTMatchers
clangBasic
clangDriver
+ clangFormat
clangFrontend
clangLex
clangRewrite
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());
}
std::string applyAllReplacements(StringRef Code, const Replacements &Replaces) {
+ if (Replaces.empty()) return Code;
+
IntrusiveRefCntPtr<vfs::InMemoryFileSystem> InMemoryFileSystem(
new vfs::InMemoryFileSystem);
FileManager Files(FileSystemOptions(), InMemoryFileSystem);
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) {
};
} // 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())
#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"
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
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
clangAST
clangASTMatchers
clangBasic
+ clangFormat
clangFrontend
clangLex
clangRewrite
#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"
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, ""));
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);
projects / clang / commitdiff