Add predicates for queries on whether an attribute exists.

[oota-llvm.git] / lib / TableGen / Error.cpp

diff --git a/lib/TableGen/Error.cpp b/lib/TableGen/Error.cpp
index 5b2cbbfec4b52149d5eb9b93619454c457f13997..5dd688cb6750b51914390b46b829e15f734de061 100644 (file)
--- a/lib/TableGen/Error.cpp
+++ b/lib/TableGen/Error.cpp
@@ -20,12 +20,39 @@ namespace llvm {
 
 SourceMgr SrcMgr;
 
-void PrintError(SMLoc ErrorLoc, const Twine &Msg) {
-  SrcMgr.PrintMessage(ErrorLoc, Msg, "error");
+static void PrintMessage(ArrayRef<SMLoc> Loc, SourceMgr::DiagKind Kind,
+                         const Twine &Msg) {
+  SMLoc NullLoc;
+  if (Loc.empty())
+    Loc = NullLoc;
+  SrcMgr.PrintMessage(Loc.front(), Kind, Msg);
+  for (unsigned i = 1; i < Loc.size(); ++i)
+    SrcMgr.PrintMessage(Loc[i], SourceMgr::DK_Note,
+                        "instantiated from multiclass");
+}
+
+void PrintWarning(ArrayRef<SMLoc> WarningLoc, const Twine &Msg) {
+  PrintMessage(WarningLoc, SourceMgr::DK_Warning, Msg);
+}
+
+void PrintWarning(const char *Loc, const Twine &Msg) {
+  SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Warning, Msg);
+}
+
+void PrintWarning(const Twine &Msg) {
+  errs() << "warning:" << Msg << "\n";
+}
+
+void PrintWarning(const TGError &Warning) {
+  PrintWarning(Warning.getLoc(), Warning.getMessage());
+}
+
+void PrintError(ArrayRef<SMLoc> ErrorLoc, const Twine &Msg) {
+  PrintMessage(ErrorLoc, SourceMgr::DK_Error, Msg);
 }
 
 void PrintError(const char *Loc, const Twine &Msg) {
-  SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), Msg, "error");
+  SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Error, Msg);
 }
 
 void PrintError(const Twine &Msg) {