#define LLVM_SUPPORT_SOURCEMGR_H
#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/Twine.h"
#include "llvm/Support/SMLoc.h"
#include <string>
class MemoryBuffer;
class SourceMgr;
class SMDiagnostic;
+ class SMFixIt;
class Twine;
class raw_ostream;
/// @param ShowColors - Display colored messages if output is a terminal and
/// the default error handler is used.
void PrintMessage(SMLoc Loc, DiagKind Kind, const Twine &Msg,
- ArrayRef<SMRange> Ranges = ArrayRef<SMRange>(),
+ ArrayRef<SMRange> Ranges = None,
+ ArrayRef<SMFixIt> FixIts = None,
bool ShowColors = true) const;
///
/// @param Msg If non-null, the kind of message (e.g., "error") which is
/// prefixed to the message.
- SMDiagnostic GetMessage(SMLoc Loc, DiagKind Kind, const Twine &Msg,
- ArrayRef<SMRange> Ranges = ArrayRef<SMRange>()) const;
+ SMDiagnostic GetMessage(SMLoc Loc, DiagKind Kind, const Twine &Msg,
+ ArrayRef<SMRange> Ranges = None,
+ ArrayRef<SMFixIt> FixIts = None) const;
/// PrintIncludeStack - Prints the names of included files and the line of the
/// file they were included from. A diagnostic handler can use this before
};
+/// Represents a single fixit, a replacement of one range of text with another.
+class SMFixIt {
+ SMRange Range;
+
+ std::string Text;
+
+public:
+ // FIXME: Twine.str() is not very efficient.
+ SMFixIt(SMLoc Loc, const Twine &Insertion)
+ : Range(Loc, Loc), Text(Insertion.str()) {
+ assert(Loc.isValid());
+ }
+
+ // FIXME: Twine.str() is not very efficient.
+ SMFixIt(SMRange R, const Twine &Replacement)
+ : Range(R), Text(Replacement.str()) {
+ assert(R.isValid());
+ }
+
+ StringRef getText() const { return Text; }
+ SMRange getRange() const { return Range; }
+
+ bool operator<(const SMFixIt &Other) const {
+ if (Range.Start.getPointer() != Other.Range.Start.getPointer())
+ return Range.Start.getPointer() < Other.Range.Start.getPointer();
+ if (Range.End.getPointer() != Other.Range.End.getPointer())
+ return Range.End.getPointer() < Other.Range.End.getPointer();
+ return Text < Other.Text;
+ }
+};
+
+
/// SMDiagnostic - Instances of this class encapsulate one diagnostic report,
/// allowing printing to a raw_ostream as a caret diagnostic.
class SMDiagnostic {
SourceMgr::DiagKind Kind;
std::string Message, LineContents;
std::vector<std::pair<unsigned, unsigned> > Ranges;
+ SmallVector<SMFixIt, 4> FixIts;
public:
// Null diagnostic.
SMDiagnostic()
: SM(0), LineNo(0), ColumnNo(0), Kind(SourceMgr::DK_Error) {}
// Diagnostic with no location (e.g. file not found, command line arg error).
- SMDiagnostic(const std::string &filename, SourceMgr::DiagKind Knd,
- const std::string &Msg)
+ SMDiagnostic(StringRef filename, SourceMgr::DiagKind Knd, StringRef Msg)
: SM(0), Filename(filename), LineNo(-1), ColumnNo(-1), Kind(Knd),
Message(Msg) {}
// Diagnostic with a location.
- SMDiagnostic(const SourceMgr &sm, SMLoc L, const std::string &FN,
+ SMDiagnostic(const SourceMgr &sm, SMLoc L, StringRef FN,
int Line, int Col, SourceMgr::DiagKind Kind,
- const std::string &Msg, const std::string &LineStr,
- ArrayRef<std::pair<unsigned,unsigned> > Ranges);
+ StringRef Msg, StringRef LineStr,
+ ArrayRef<std::pair<unsigned,unsigned> > Ranges,
+ ArrayRef<SMFixIt> FixIts = None);
const SourceMgr *getSourceMgr() const { return SM; }
SMLoc getLoc() const { return Loc; }
- const std::string &getFilename() const { return Filename; }
+ StringRef getFilename() const { return Filename; }
int getLineNo() const { return LineNo; }
int getColumnNo() const { return ColumnNo; }
SourceMgr::DiagKind getKind() const { return Kind; }
- const std::string &getMessage() const { return Message; }
- const std::string &getLineContents() const { return LineContents; }
- const std::vector<std::pair<unsigned, unsigned> > &getRanges() const {
+ StringRef getMessage() const { return Message; }
+ StringRef getLineContents() const { return LineContents; }
+ ArrayRef<std::pair<unsigned, unsigned> > getRanges() const {
return Ranges;
}
- void print(const char *ProgName, raw_ostream &S, bool ShowColors = true) const;
+
+ void addFixIt(const SMFixIt &Hint) {
+ FixIts.push_back(Hint);
+ }
+
+ ArrayRef<SMFixIt> getFixIts() const {
+ return FixIts;
+ }
+
+ void print(const char *ProgName, raw_ostream &S,
+ bool ShowColors = true) const;
};
} // end llvm namespace