Consolidate some TableGen diagnostic helper functions.

TableGen had diagnostic printers sprinkled about in a few places. Pull them
together into a single location in Error.cpp.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133568 91177308-0d34-0410-b5e6-96231b3b80d8

utils/TableGen/AsmMatcherEmitter.cpp

@@ -98,6 +98,7 @@
 
 #include "AsmMatcherEmitter.h"
 #include "CodeGenTarget.h"
+#include "Error.h"
 #include "Record.h"
 #include "StringMatcher.h"
 #include "llvm/ADT/OwningPtr.h"

utils/TableGen/AsmWriterEmitter.cpp

@@ -14,6 +14,7 @@
 
 #include "AsmWriterEmitter.h"
 #include "AsmWriterInst.h"
+#include "Error.h"
 #include "CodeGenTarget.h"
 #include "Record.h"
 #include "StringToOffsetTable.h"

utils/TableGen/CodeGenDAGPatterns.cpp

@@ -13,6 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "CodeGenDAGPatterns.h"
+#include "Error.h"
 #include "Record.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/STLExtras.h"

utils/TableGen/CodeGenInstruction.cpp

@@ -13,6 +13,7 @@
 
 #include "CodeGenInstruction.h"
 #include "CodeGenTarget.h"
+#include "Error.h"
 #include "Record.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/ADT/StringMap.h"

utils/TableGen/CodeGenRegisters.cpp

@@ -14,6 +14,7 @@
 
 #include "CodeGenRegisters.h"
 #include "CodeGenTarget.h"
+#include "Error.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringExtras.h"
 

utils/TableGen/DisassemblerEmitter.cpp

@@ -9,6 +9,7 @@
 
 #include "DisassemblerEmitter.h"
 #include "CodeGenTarget.h"
+#include "Error.h"
 #include "Record.h"
 #include "X86DisassemblerTables.h"
 #include "X86RecognizableInstr.h"

utils/TableGen/Error.cpp

@@ -0,0 +1,39 @@
+//===- Error.cpp - tblgen error handling helper routines --------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains error handling helper routines to pretty-print diagnostic
+// messages from tblgen.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Error.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/Support/raw_ostream.h"
+
+namespace llvm {
+
+SourceMgr SrcMgr;
+
+void PrintError(SMLoc ErrorLoc, const Twine &Msg) {
+  SrcMgr.PrintMessage(ErrorLoc, Msg, "error");
+}
+
+void PrintError(const char *Loc, const Twine &Msg) {
+  SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), Msg, "error");
+}
+
+void PrintError(const Twine &Msg) {
+  errs() << "error:" << Msg << "\n";
+}
+
+void PrintError(const TGError &Error) {
+  PrintError(Error.getLoc(), Error.getMessage());
+}
+
+} // end namespace llvm

utils/TableGen/Error.h

@@ -0,0 +1,43 @@
+//===- Error.h - tblgen error handling helper routines ----------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains error handling helper routines to pretty-print diagnostic
+// messages from tblgen.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef ERROR_H
+#define ERROR_H
+
+#include "llvm/Support/SourceMgr.h"
+
+namespace llvm {
+
+class TGError {
+  SMLoc Loc;
+  std::string Message;
+public:
+  TGError(SMLoc loc, const std::string &message) : Loc(loc), Message(message) {}
+
+  SMLoc getLoc() const { return Loc; }
+  const std::string &getMessage() const { return Message; }
+};
+
+void PrintError(SMLoc ErrorLoc, const Twine &Msg);
+void PrintError(const char *Loc, const Twine &Msg);
+void PrintError(const Twine &Msg);
+void PrintError(const TGError &Error);
+
+
+extern SourceMgr SrcMgr;
+
+
+} // end namespace "llvm"
+
+#endif

utils/TableGen/FastISelEmitter.cpp

@@ -18,6 +18,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "FastISelEmitter.h"
+#include "Error.h"
 #include "Record.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/VectorExtras.h"

utils/TableGen/NeonEmitter.cpp

@@ -24,6 +24,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "NeonEmitter.h"
+#include "Error.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringExtras.h"

utils/TableGen/Record.cpp

@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "Record.h"
+#include "Error.h"
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Support/Format.h"
 #include "llvm/ADT/StringExtras.h"

utils/TableGen/Record.h

@@ -1486,22 +1486,8 @@ struct LessRecordFieldName {
   }
 };
 
-
-class TGError {
-  SMLoc Loc;
-  std::string Message;
-public:
-  TGError(SMLoc loc, const std::string &message) : Loc(loc), Message(message) {}
-
-  SMLoc getLoc() const { return Loc; }
-  const std::string &getMessage() const { return Message; }
-};
-
-
 raw_ostream &operator<<(raw_ostream &OS, const RecordKeeper &RK);
 
-void PrintError(SMLoc ErrorLoc, const Twine &Msg);
-
 } // End llvm namespace
 
 #endif

utils/TableGen/SetTheory.cpp

@@ -13,6 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "SetTheory.h"
+#include "Error.h"
 #include "Record.h"
 #include "llvm/Support/Format.h"
 

utils/TableGen/TGLexer.cpp

@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "TGLexer.h"
+#include "Error.h"
 #include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Config/config.h"
@@ -35,7 +36,6 @@ SMLoc TGLexer::getLoc() const {
   return SMLoc::getFromPointer(TokStart);
 }
 
-
 /// ReturnError - Set the error to the specified string at the specified
 /// location.  This is defined to always return tgtok::Error.
 tgtok::TokKind TGLexer::ReturnError(const char *Loc, const Twine &Msg) {
@@ -43,16 +43,6 @@ tgtok::TokKind TGLexer::ReturnError(const char *Loc, const Twine &Msg) {
   return tgtok::Error;
 }
 
-
-void TGLexer::PrintError(const char *Loc, const Twine &Msg) const {
-  SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), Msg, "error");
-}
-
-void TGLexer::PrintError(SMLoc Loc, const Twine &Msg) const {
-  SrcMgr.PrintMessage(Loc, Msg, "error");
-}
-
-
 int TGLexer::getNextChar() {
   char CurChar = *CurPtr++;
   switch (CurChar) {

utils/TableGen/TGLexer.h

@@ -101,9 +101,6 @@ public:
   }
 
   SMLoc getLoc() const;
-
-  void PrintError(const char *Loc, const Twine &Msg) const;
-  void PrintError(SMLoc Loc, const Twine &Msg) const;
   
 private:
   /// LexToken - Read the next token and return its code.

utils/TableGen/TGParser.h

@@ -15,6 +15,7 @@
 #define TGPARSER_H
 
 #include "TGLexer.h"
+#include "Error.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/Support/SourceMgr.h"
 #include <map>
@@ -60,7 +61,7 @@ public:
   bool ParseFile();
   
   bool Error(SMLoc L, const Twine &Msg) const {
-    Lex.PrintError(L, Msg);
+    PrintError(L, Msg);
     return true;
   }
   bool TokError(const Twine &Msg) const {

utils/TableGen/TableGen.cpp

@@ -26,6 +26,7 @@
 #include "DAGISelEmitter.h"
 #include "DisassemblerEmitter.h"
 #include "EDEmitter.h"
+#include "Error.h"
 #include "FastISelEmitter.h"
 #include "InstrEnumEmitter.h"
 #include "InstrInfoEmitter.h"
@@ -194,12 +195,6 @@ namespace {
 }
 
 
-static SourceMgr SrcMgr;
-
-void llvm::PrintError(SMLoc ErrorLoc, const Twine &Msg) {
-  SrcMgr.PrintMessage(ErrorLoc, Msg, "error");
-}
-
 int main(int argc, char **argv) {
   RecordKeeper Records;
 
@@ -403,13 +398,11 @@ int main(int argc, char **argv) {
     return 0;
 
   } catch (const TGError &Error) {
-    errs() << argv[0] << ": error:\n";
-    PrintError(Error.getLoc(), Error.getMessage());
-
+    PrintError(Error);
   } catch (const std::string &Error) {
-    errs() << argv[0] << ": " << Error << "\n";
+    PrintError(Error);
   } catch (const char *Error) {
-    errs() << argv[0] << ": " << Error << "\n";
+    PrintError(Error);
   } catch (...) {
     errs() << argv[0] << ": Unknown unexpected exception occurred.\n";
   }