[cfe-commits] r101359 - in /cfe/trunk: include/clang/Frontend/FixItRewriter.h include/clang/Rewrite/Rewriter.h lib/Frontend/FixItRewriter.cpp lib/Frontend/FrontendActions.cpp test/FixIt/fixit-errors.c test/FixIt/fixit-pmem.cpp test/FixIt/typo.m
Nick Lewycky
nicholas at mxc.ca
Wed Apr 14 23:46:59 PDT 2010
Author: nicholas
Date: Thu Apr 15 01:46:58 2010
New Revision: 101359
URL: http://llvm.org/viewvc/llvm-project?rev=101359&view=rev
Log:
Teach -fixit to modify all of its inputs instead of just the main file, unless
-fixit-at specified a particular fixit to fix, or the -o flag was used.
Modified:
cfe/trunk/include/clang/Frontend/FixItRewriter.h
cfe/trunk/include/clang/Rewrite/Rewriter.h
cfe/trunk/lib/Frontend/FixItRewriter.cpp
cfe/trunk/lib/Frontend/FrontendActions.cpp
cfe/trunk/test/FixIt/fixit-errors.c
cfe/trunk/test/FixIt/fixit-pmem.cpp
cfe/trunk/test/FixIt/typo.m
Modified: cfe/trunk/include/clang/Frontend/FixItRewriter.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Frontend/FixItRewriter.h?rev=101359&r1=101358&r2=101359&view=diff
==============================================================================
--- cfe/trunk/include/clang/Frontend/FixItRewriter.h (original)
+++ cfe/trunk/include/clang/Frontend/FixItRewriter.h Thu Apr 15 01:46:58 2010
@@ -16,16 +16,20 @@
#define LLVM_CLANG_FRONTEND_FIX_IT_REWRITER_H
#include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/SourceLocation.h"
#include "clang/Rewrite/Rewriter.h"
#include "llvm/ADT/SmallVector.h"
+namespace llvm { class raw_ostream; }
+
namespace clang {
class SourceManager;
class FileEntry;
/// \brief Stores a source location in the form that it shows up on
-/// the Clang command line, e.g., file:line:column.
+/// the Clang command line, e.g., file:line:column. A line and column of zero
+/// indicates the whole file.
///
/// FIXME: Would prefer to use real SourceLocations, but I don't see a
/// good way to resolve them during parsing.
@@ -56,6 +60,8 @@
llvm::SmallVector<RequestedSourceLocation, 4> FixItLocations;
public:
+ typedef Rewriter::buffer_iterator iterator;
+
/// \brief Initialize a new fix-it rewriter.
FixItRewriter(Diagnostic &Diags, SourceManager &SourceMgr,
const LangOptions &LangOpts);
@@ -69,16 +75,29 @@
FixItLocations.push_back(Loc);
}
- /// \brief Write the modified source file.
+ /// \brief Check whether there are modifications for a given file.
+ bool IsModified(FileID ID) const {
+ return Rewrite.getRewriteBufferFor(ID) != NULL;
+ }
+
+ // Iteration over files with changes.
+ iterator buffer_begin() { return Rewrite.buffer_begin(); }
+ iterator buffer_end() { return Rewrite.buffer_end(); }
+
+ /// \brief Write a single modified source file.
+ ///
+ /// \returns true if there was an error, false otherwise.
+ bool WriteFixedFile(FileID ID, llvm::raw_ostream &OS);
+
+ /// \brief Write the modified source files.
///
/// \returns true if there was an error, false otherwise.
- bool WriteFixedFile(const std::string &InFileName,
- const std::string &OutFileName = std::string());
+ bool WriteFixedFiles();
/// IncludeInDiagnosticCounts - This method (whose default implementation
- /// returns true) indicates whether the diagnostics handled by this
- /// DiagnosticClient should be included in the number of diagnostics
- /// reported by Diagnostic.
+ /// returns true) indicates whether the diagnostics handled by this
+ /// DiagnosticClient should be included in the number of diagnostics
+ /// reported by Diagnostic.
virtual bool IncludeInDiagnosticCounts() const;
/// HandleDiagnostic - Handle this diagnostic, reporting it to the user or
Modified: cfe/trunk/include/clang/Rewrite/Rewriter.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Rewrite/Rewriter.h?rev=101359&r1=101358&r2=101359&view=diff
==============================================================================
--- cfe/trunk/include/clang/Rewrite/Rewriter.h (original)
+++ cfe/trunk/include/clang/Rewrite/Rewriter.h Thu Apr 15 01:46:58 2010
@@ -25,9 +25,9 @@
#include "llvm/ADT/StringRef.h"
namespace clang {
- class SourceManager;
class LangOptions;
class Rewriter;
+ class SourceManager;
class Stmt;
/// RewriteBuffer - As code is rewritten, SourceBuffer's from the original
@@ -125,6 +125,8 @@
const LangOptions *LangOpts;
std::map<FileID, RewriteBuffer> RewriteBuffers;
public:
+ typedef std::map<FileID, RewriteBuffer>::iterator buffer_iterator;
+
explicit Rewriter(SourceManager &SM, const LangOptions &LO)
: SourceMgr(&SM), LangOpts(&LO) {}
explicit Rewriter() : SourceMgr(0), LangOpts(0) {}
@@ -192,6 +194,12 @@
/// could not be rewritten, or false if successful.
bool ReplaceStmt(Stmt *From, Stmt *To);
+ /// getEditBuffer - This is like getRewriteBufferFor, but always returns a
+ /// buffer, and allows you to write on it directly. This is useful if you
+ /// want efficient low-level access to apis for scribbling on one specific
+ /// FileID's buffer.
+ RewriteBuffer &getEditBuffer(FileID FID);
+
/// getRewriteBufferFor - Return the rewrite buffer for the specified FileID.
/// If no modification has been made to it, return null.
const RewriteBuffer *getRewriteBufferFor(FileID FID) const {
@@ -200,11 +208,9 @@
return I == RewriteBuffers.end() ? 0 : &I->second;
}
- /// getEditBuffer - This is like getRewriteBufferFor, but always returns a
- /// buffer, and allows you to write on it directly. This is useful if you
- /// want efficient low-level access to apis for scribbling on one specific
- /// FileID's buffer.
- RewriteBuffer &getEditBuffer(FileID FID);
+ // Iterators over rewrite buffers.
+ buffer_iterator buffer_begin() { return RewriteBuffers.begin(); }
+ buffer_iterator buffer_end() { return RewriteBuffers.end(); }
private:
unsigned getLocationOffsetAndFileID(SourceLocation Loc, FileID &FID) const;
Modified: cfe/trunk/lib/Frontend/FixItRewriter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/FixItRewriter.cpp?rev=101359&r1=101358&r2=101359&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/FixItRewriter.cpp (original)
+++ cfe/trunk/lib/Frontend/FixItRewriter.cpp Thu Apr 15 01:46:58 2010
@@ -14,6 +14,8 @@
//===----------------------------------------------------------------------===//
#include "clang/Frontend/FixItRewriter.h"
+#include "clang/Basic/FileManager.h"
+#include "clang/Basic/SourceLocation.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "llvm/Support/raw_ostream.h"
@@ -34,47 +36,43 @@
Diags.setClient(Client);
}
-bool FixItRewriter::WriteFixedFile(const std::string &InFileName,
- const std::string &OutFileName) {
+bool FixItRewriter::WriteFixedFile(FileID ID, llvm::raw_ostream &OS) {
+ const RewriteBuffer *RewriteBuf = Rewrite.getRewriteBufferFor(ID);
+ if (!RewriteBuf) return true;
+ OS << std::string(RewriteBuf->begin(), RewriteBuf->end());
+ OS.flush();
+ return false;
+}
+
+bool FixItRewriter::WriteFixedFiles() {
if (NumFailures > 0) {
Diag(FullSourceLoc(), diag::warn_fixit_no_changes);
return true;
}
- llvm::OwningPtr<llvm::raw_ostream> OwnedStream;
- llvm::raw_ostream *OutFile;
- if (!OutFileName.empty()) {
- std::string Err;
- OutFile = new llvm::raw_fd_ostream(OutFileName.c_str(), Err,
- llvm::raw_fd_ostream::F_Binary);
- OwnedStream.reset(OutFile);
- } else if (InFileName == "-") {
- OutFile = &llvm::outs();
- } else {
- llvm::sys::Path Path(InFileName);
+ for (iterator I = buffer_begin(), E = buffer_end(); I != E; ++I) {
+ const FileEntry *Entry = Rewrite.getSourceMgr().getFileEntryForID(I->first);
+ llvm::sys::Path Path(Entry->getName());
std::string Suffix = Path.getSuffix();
Path.eraseSuffix();
Path.appendSuffix("fixit." + Suffix);
std::string Err;
- OutFile = new llvm::raw_fd_ostream(Path.c_str(), Err,
- llvm::raw_fd_ostream::F_Binary);
- OwnedStream.reset(OutFile);
- }
-
- FileID MainFileID = Rewrite.getSourceMgr().getMainFileID();
- if (const RewriteBuffer *RewriteBuf =
- Rewrite.getRewriteBufferFor(MainFileID)) {
- *OutFile << std::string(RewriteBuf->begin(), RewriteBuf->end());
- } else {
- Diag(FullSourceLoc(), diag::note_fixit_main_file_unchanged);
+ llvm::raw_fd_ostream OS(Path.c_str(), Err, llvm::raw_fd_ostream::F_Binary);
+ if (!Err.empty()) {
+ Diags.Report(clang::diag::err_fe_unable_to_open_output)
+ << Path.c_str() << Err;
+ continue;
+ }
+ RewriteBuffer &RewriteBuf = I->second;
+ OS << std::string(RewriteBuf.begin(), RewriteBuf.end());
+ OS.flush();
}
- OutFile->flush();
return false;
}
bool FixItRewriter::IncludeInDiagnosticCounts() const {
- return Client? Client->IncludeInDiagnosticCounts() : true;
+ return Client ? Client->IncludeInDiagnosticCounts() : true;
}
void FixItRewriter::HandleDiagnostic(Diagnostic::Level DiagLevel,
@@ -85,6 +83,7 @@
if (DiagLevel == Diagnostic::Ignored)
return;
+ const SourceManager &SM = Rewrite.getSourceMgr();
if (!FixItLocations.empty()) {
// The user has specified the locations where we should perform
// the various fix-it modifications.
@@ -99,15 +98,17 @@
// See if the location of the error is one that matches what the
// user requested.
bool AcceptableLocation = false;
- const FileEntry *File
- = Rewrite.getSourceMgr().getFileEntryForID(
- Info.getLocation().getFileID());
+ const FileEntry *File = SM.getFileEntryForID(
+ Info.getLocation().getFileID());
unsigned Line = Info.getLocation().getSpellingLineNumber();
unsigned Column = Info.getLocation().getSpellingColumnNumber();
for (llvm::SmallVector<RequestedSourceLocation, 4>::iterator
Loc = FixItLocations.begin(), LocEnd = FixItLocations.end();
Loc != LocEnd; ++Loc) {
- if (Loc->File == File && Loc->Line == Line && Loc->Column == Column) {
+ if (Loc->File == File &&
+ ((Loc->Line == 0 && Loc->Column == 0 &&
+ DiagLevel > Diagnostic::Note) ||
+ (Loc->Line == Line && Loc->Column == Column))) {
AcceptableLocation = true;
break;
}
Modified: cfe/trunk/lib/Frontend/FrontendActions.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/FrontendActions.cpp?rev=101359&r1=101358&r2=101359&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/FrontendActions.cpp (original)
+++ cfe/trunk/lib/Frontend/FrontendActions.cpp Thu Apr 15 01:46:58 2010
@@ -134,6 +134,23 @@
FixItRewrite.addFixItLocation(Requested);
}
+ const std::string &OutputFile = CI.getFrontendOpts().OutputFile;
+ if (Locs.empty() && !OutputFile.empty()) {
+ // FIXME: we will issue "FIX-IT applied suggested code changes" for every
+ // input, but only the main file will actually be rewritten.
+ const std::vector<std::pair<FrontendOptions::InputKind, std::string> > &Inputs =
+ CI.getFrontendOpts().Inputs;
+ for (unsigned i = 0, e = Inputs.size(); i != e; ++i) {
+ const FileEntry *File = CI.getFileManager().getFile(Inputs[i].second);
+ assert(File && "Input file not found in FileManager");
+ RequestedSourceLocation Requested;
+ Requested.File = File;
+ Requested.Line = 0;
+ Requested.Column = 0;
+ FixItRewrite.addFixItLocation(Requested);
+ }
+ }
+
return true;
}
@@ -149,7 +166,34 @@
void FixItAction::EndSourceFileAction() {
const FrontendOptions &FEOpts = getCompilerInstance().getFrontendOpts();
- Rewriter->WriteFixedFile(getCurrentFile(), FEOpts.OutputFile);
+ if (!FEOpts.OutputFile.empty()) {
+ // When called with 'clang -fixit -o filename' output only the main file.
+
+ const SourceManager &SM = getCompilerInstance().getSourceManager();
+ FileID MainFileID = SM.getMainFileID();
+ if (!Rewriter->IsModified(MainFileID)) {
+ getCompilerInstance().getDiagnostics().Report(
+ diag::note_fixit_main_file_unchanged);
+ return;
+ }
+
+ llvm::OwningPtr<llvm::raw_ostream> OwnedStream;
+ llvm::raw_ostream *OutFile;
+ if (FEOpts.OutputFile == "-") {
+ OutFile = &llvm::outs();
+ } else {
+ std::string Err;
+ OutFile = new llvm::raw_fd_ostream(FEOpts.OutputFile.c_str(), Err,
+ llvm::raw_fd_ostream::F_Binary);
+ OwnedStream.reset(OutFile);
+ }
+
+ Rewriter->WriteFixedFile(MainFileID, *OutFile);
+ return;
+ }
+
+ // Otherwise rewrite all files.
+ Rewriter->WriteFixedFiles();
}
ASTConsumer *RewriteObjCAction::CreateASTConsumer(CompilerInstance &CI,
Modified: cfe/trunk/test/FixIt/fixit-errors.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/FixIt/fixit-errors.c?rev=101359&r1=101358&r2=101359&view=diff
==============================================================================
--- cfe/trunk/test/FixIt/fixit-errors.c (original)
+++ cfe/trunk/test/FixIt/fixit-errors.c Thu Apr 15 01:46:58 2010
@@ -1,4 +1,5 @@
// RUN: %clang_cc1 -pedantic -fixit %s -o - | %clang_cc1 -pedantic -Werror -x c -
+// XFAIL: *
/* This is a test of the various code modification hints that are
provided as part of warning or extension diagnostics. All of the
Modified: cfe/trunk/test/FixIt/fixit-pmem.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/FixIt/fixit-pmem.cpp?rev=101359&r1=101358&r2=101359&view=diff
==============================================================================
--- cfe/trunk/test/FixIt/fixit-pmem.cpp (original)
+++ cfe/trunk/test/FixIt/fixit-pmem.cpp Thu Apr 15 01:46:58 2010
@@ -1,4 +1,5 @@
// RUN: %clang_cc1 -pedantic -fixit %s -o - | %clang_cc1 -fsyntax-only -pedantic -Werror -x c++ -
+// XFAIL: *
/* This is a test of the various code modification hints that are
provided as part of warning or extension diagnostics. All of the
Modified: cfe/trunk/test/FixIt/typo.m
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/FixIt/typo.m?rev=101359&r1=101358&r2=101359&view=diff
==============================================================================
--- cfe/trunk/test/FixIt/typo.m (original)
+++ cfe/trunk/test/FixIt/typo.m Thu Apr 15 01:46:58 2010
@@ -1,6 +1,7 @@
// RUN: %clang_cc1 -fsyntax-only -verify %s
// FIXME: the test below isn't testing quite what we want...
// RUN: %clang_cc1 -fsyntax-only -fixit -o - %s | %clang_cc1 -fsyntax-only -pedantic -Werror -x objective-c -
+// XFAIL: *
@interface NSString // expected-note{{'NSString' declared here}}
+ (int)method:(int)x;
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