Extract TemplateArgument into a new header just for common template
classes. Move its implementation into a new module.
This will seem marginally more justified in a bit.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85499 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/TemplateBase.cpp b/lib/AST/TemplateBase.cpp
new file mode 100644
index 0000000..3b3ec2b
--- /dev/null
+++ b/lib/AST/TemplateBase.cpp
@@ -0,0 +1,79 @@
+//===--- TemplateBase.cpp - Common template AST class implementation ------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements common classes used throughout C++ template
+// representations.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ADT/FoldingSet.h"
+#include "clang/AST/TemplateBase.h"
+#include "clang/AST/DeclBase.h"
+#include "clang/AST/Expr.h"
+
+using namespace clang;
+
+//===----------------------------------------------------------------------===//
+// TemplateArgument Implementation
+//===----------------------------------------------------------------------===//
+
+TemplateArgument::TemplateArgument(Expr *E) : Kind(Expression) {
+ TypeOrValue = reinterpret_cast<uintptr_t>(E);
+ StartLoc = E->getSourceRange().getBegin();
+}
+
+/// \brief Construct a template argument pack.
+void TemplateArgument::setArgumentPack(TemplateArgument *args, unsigned NumArgs,
+ bool CopyArgs) {
+ assert(isNull() && "Must call setArgumentPack on a null argument");
+
+ Kind = Pack;
+ Args.NumArgs = NumArgs;
+ Args.CopyArgs = CopyArgs;
+ if (!Args.CopyArgs) {
+ Args.Args = args;
+ return;
+ }
+
+ // FIXME: Allocate in ASTContext
+ Args.Args = new TemplateArgument[NumArgs];
+ for (unsigned I = 0; I != Args.NumArgs; ++I)
+ Args.Args[I] = args[I];
+}
+
+void TemplateArgument::Profile(llvm::FoldingSetNodeID &ID,
+ ASTContext &Context) const {
+ ID.AddInteger(Kind);
+ switch (Kind) {
+ case Null:
+ break;
+
+ case Type:
+ getAsType().Profile(ID);
+ break;
+
+ case Declaration:
+ ID.AddPointer(getAsDecl()? getAsDecl()->getCanonicalDecl() : 0);
+ break;
+
+ case Integral:
+ getAsIntegral()->Profile(ID);
+ getIntegralType().Profile(ID);
+ break;
+
+ case Expression:
+ getAsExpr()->Profile(ID, Context, true);
+ break;
+
+ case Pack:
+ ID.AddInteger(Args.NumArgs);
+ for (unsigned I = 0; I != Args.NumArgs; ++I)
+ Args.Args[I].Profile(ID, Context);
+ }
+}