Vendor import of llvm trunk r154661:

http://llvm.org/svn/llvm-project/llvm/trunk@r154661

1 files changed, 27 insertions, 25 deletions

diff --git a/include/llvm/Support/SourceMgr.h b/include/llvm/Support/SourceMgr.h
index deb8caf..58b8fab 100644
--- a/include/llvm/Support/SourceMgr.h
+++ b/include/llvm/Support/SourceMgr.h
@@ -17,10 +17,8 @@
 #define SUPPORT_SOURCEMGR_H
 
 #include "llvm/Support/SMLoc.h"
-
+#include "llvm/ADT/ArrayRef.h"
 #include <string>
-#include <vector>
-#include <cassert>
 
 namespace llvm {
   class MemoryBuffer;
@@ -33,10 +31,16 @@ namespace llvm {
 /// and handles diagnostic wrangling.
 class SourceMgr {
 public:
+  enum DiagKind {
+    DK_Error,
+    DK_Warning,
+    DK_Note
+  };
+  
   /// DiagHandlerTy - Clients that want to handle their own diagnostics in a
   /// custom way can register a function pointer+context as a diagnostic
   /// handler.  It gets called each time PrintMessage is invoked.
-  typedef void (*DiagHandlerTy)(const SMDiagnostic&, void *Context);
+  typedef void (*DiagHandlerTy)(const SMDiagnostic &, void *Context);
 private:
   struct SrcBuffer {
     /// Buffer - The memory buffer for the file.
@@ -124,11 +128,8 @@ public:
   /// PrintMessage - Emit a message about the specified location with the
   /// specified string.
   ///
-  /// @param Type - If non-null, the kind of message (e.g., "error") which is
-  /// prefixed to the message.
-  /// @param ShowLine - Should the diagnostic show the source line.
-  void PrintMessage(SMLoc Loc, const Twine &Msg, const char *Type,
-                    bool ShowLine = true) const;
+  void PrintMessage(SMLoc Loc, DiagKind Kind, const Twine &Msg,
+                    ArrayRef<SMRange> Ranges = ArrayRef<SMRange>()) const;
 
 
   /// GetMessage - Return an SMDiagnostic at the specified location with the
@@ -136,10 +137,8 @@ public:
   ///
   /// @param Type - If non-null, the kind of message (e.g., "error") which is
   /// prefixed to the message.
-  /// @param ShowLine - Should the diagnostic show the source line.
-  SMDiagnostic GetMessage(SMLoc Loc,
-                          const Twine &Msg, const char *Type,
-                          bool ShowLine = true) const;
+  SMDiagnostic GetMessage(SMLoc Loc, DiagKind Kind, const Twine &Msg, 
+                          ArrayRef<SMRange> Ranges = ArrayRef<SMRange>()) 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
@@ -158,35 +157,38 @@ class SMDiagnostic {
   SMLoc Loc;
   std::string Filename;
   int LineNo, ColumnNo;
+  SourceMgr::DiagKind Kind;
   std::string Message, LineContents;
-  unsigned ShowLine : 1;
+  std::vector<std::pair<unsigned, unsigned> > Ranges;
 
 public:
   // Null diagnostic.
-  SMDiagnostic() : SM(0), LineNo(0), ColumnNo(0), ShowLine(0) {}
+  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, const std::string &Msg)
-    : SM(0), Filename(filename), LineNo(-1), ColumnNo(-1),
-      Message(Msg), ShowLine(false) {}
+  SMDiagnostic(const std::string &filename, SourceMgr::DiagKind Kind,
+               const std::string &Msg)
+    : SM(0), Filename(filename), LineNo(-1), ColumnNo(-1), Kind(Kind),
+      Message(Msg) {}
   
   // Diagnostic with a location.
   SMDiagnostic(const SourceMgr &sm, SMLoc L, const std::string &FN,
-               int Line, int Col,
+               int Line, int Col, SourceMgr::DiagKind Kind,
                const std::string &Msg, const std::string &LineStr,
-               bool showline = true)
-    : SM(&sm), Loc(L), Filename(FN), LineNo(Line), ColumnNo(Col), Message(Msg),
-      LineContents(LineStr), ShowLine(showline) {}
+               ArrayRef<std::pair<unsigned,unsigned> > Ranges);
 
   const SourceMgr *getSourceMgr() const { return SM; }
   SMLoc getLoc() const { return Loc; }
   const std::string &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; }
-  bool getShowLine() const { return ShowLine; }
-  
-  void Print(const char *ProgName, raw_ostream &S) const;
+  const std::vector<std::pair<unsigned, unsigned> > &getRanges() const {
+    return Ranges;
+  }
+  void print(const char *ProgName, raw_ostream &S) const;
 };
 
 }  // end llvm namespace