Factor code out of APInt to form a isUIntN helper function.

[oota-llvm.git] / include / llvm / Support / SourceMgr.h

diff --git a/include/llvm/Support/SourceMgr.h b/include/llvm/Support/SourceMgr.h
index 3e66762ae349023660c9d63ea8dd33ea97c39b8f..816f8943720eb2958f163fc107c879804dc0329c 100644 (file)
--- a/include/llvm/Support/SourceMgr.h
+++ b/include/llvm/Support/SourceMgr.h
@@ -26,6 +26,7 @@ namespace llvm {
   class MemoryBuffer;
   class SourceMgr;
   class SMDiagnostic;
+  class Twine;
   class raw_ostream;
 
 /// SourceMgr - This owns the files read by a parser, handles include stacks,
@@ -125,7 +126,7 @@ 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.
-  void PrintMessage(SMLoc Loc, const std::string &Msg, const char *Type,
+  void PrintMessage(SMLoc Loc, const Twine &Msg, const char *Type,
                     bool ShowLine = true) const;
 
 
@@ -136,7 +137,7 @@ public:
   /// prefixed to the message.
   /// @param ShowLine - Should the diagnostic show the source line.
   SMDiagnostic GetMessage(SMLoc Loc,
-                          const std::string &Msg, const char *Type,
+                          const Twine &Msg, const char *Type,
                           bool ShowLine = true) const;
 
 
@@ -148,6 +149,7 @@ private:
 /// SMDiagnostic - Instances of this class encapsulate one diagnostic report,
 /// allowing printing to a raw_ostream as a caret diagnostic.
 class SMDiagnostic {
+  const SourceMgr *SM;
   SMLoc Loc;
   std::string Filename;
   int LineNo, ColumnNo;
@@ -155,15 +157,25 @@ class SMDiagnostic {
   unsigned ShowLine : 1;
 
 public:
-  SMDiagnostic() : LineNo(0), ColumnNo(0), ShowLine(0) {}
-  SMDiagnostic(SMLoc L, const std::string &FN, int Line, int Col,
+  // Null diagnostic.
+  SMDiagnostic() : SM(0), LineNo(0), ColumnNo(0), ShowLine(0) {}
+  // Diagnostic with no location (e.g. file not found, command line arg error).
+  SMDiagnostic(const std::string &filename, const std::string &Msg,
+               bool showline = true)
+    : SM(0), Filename(filename), LineNo(-1), ColumnNo(-1),
+      Message(Msg), ShowLine(showline) {}
+  
+  // Diagnostic with a location.
+  SMDiagnostic(const SourceMgr &sm, SMLoc L, const std::string &FN,
+               int Line, int Col,
                const std::string &Msg, const std::string &LineStr,
                bool showline = true)
-    : Loc(L), Filename(FN), LineNo(Line), ColumnNo(Col), Message(Msg),
+    : SM(&sm), Loc(L), Filename(FN), LineNo(Line), ColumnNo(Col), Message(Msg),
       LineContents(LineStr), ShowLine(showline) {}
 
+  const SourceMgr *getSourceMgr() const { return SM; }
   SMLoc getLoc() const { return Loc; }
-  const std::string getFilename() { return Filename; }
+  const std::string &getFilename() { return Filename; }
   int getLineNo() const { return LineNo; }
   int getColumnNo() const { return ColumnNo; }
   const std::string &getMessage() const { return Message; }