1 files changed, 86 insertions, 0 deletions
diff --git a/include/clang/Parse/AttributeList.h b/include/clang/Parse/AttributeList.h
new file mode 100644
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+++ b/include/clang/Parse/AttributeList.h
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+//===--- AttributeList.h ----------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Steve Naroff and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the AttributeList class interface.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_ATTRLIST_H
+#define LLVM_CLANG_ATTRLIST_H
+
+#include "clang/Parse/Action.h"
+#include <cassert>
+
+namespace clang {
+
+/// AttributeList - Represents GCC's __attribute__ declaration. There are
+/// 4 forms of this construct...they are:
+///
+/// 1: __attribute__(( const )). ParmName/Args/NumArgs will all be unused.
+/// 2: __attribute__(( mode(byte) )). ParmName used, Args/NumArgs unused.
+/// 3: __attribute__(( format(printf, 1, 2) )). ParmName/Args/NumArgs all used.
+/// 4: __attribute__(( aligned(16) )). ParmName is unused, Args/Num used.
+///
+class AttributeList {
+  IdentifierInfo *AttrName;
+  SourceLocation AttrLoc;
+  IdentifierInfo *ParmName;
+  SourceLocation ParmLoc;
+  Action::ExprTy **Args;
+  unsigned NumArgs;
+  AttributeList *Next;
+public:
+  AttributeList(IdentifierInfo *AttrName, SourceLocation AttrLoc,
+                IdentifierInfo *ParmName, SourceLocation ParmLoc,
+                Action::ExprTy **args, unsigned numargs, AttributeList *Next);
+  ~AttributeList() {
+    if (Args) {
+      // FIXME: before we delete the vector, we need to make sure the Expr's 
+      // have been deleted. Since Action::ExprTy is "void", we are dependent
+      // on the actions module for actually freeing the memory. The specific
+      // hooks are ParseDeclarator, ParseTypeName, ParseParamDeclaratorType, 
+      // ParseField, ParseTag. Once these routines have freed the expression, 
+      // they should zero out the Args slot (to indicate the memory has been 
+      // freed). If any element of the vector is non-null, we should assert.
+      delete [] Args;
+    }
+    if (Next)
+      delete Next;
+  }
+  
+  IdentifierInfo *getAttributeName() const { return AttrName; }
+  SourceLocation getAttributeLoc() const { return AttrLoc; }
+  IdentifierInfo *getParameterName() const { return ParmName; }
+  
+  AttributeList *getNext() const { return Next; }
+  void setNext(AttributeList *N) { Next = N; }
+  
+  void addAttributeList(AttributeList *alist) {
+    assert((alist != 0) && "addAttributeList(): alist is null");
+    AttributeList *next = this, *prev;
+    do {
+      prev = next;
+      next = next->getNext();
+    } while (next);
+    prev->setNext(alist);
+  }
+
+  /// getNumArgs - Return the number of actual arguments to this attribute.
+  unsigned getNumArgs() const { return NumArgs; }
+  
+  /// getArg - Return the specified argument.
+  Action::ExprTy *getArg(unsigned Arg) const {
+    assert(Arg < NumArgs && "Arg access out of range!");
+    return Args[Arg];
+  }
+};
+
+}  // end namespace clang
+
+#endif