Create EnumConstantDecl objects for each enum value, and fill them into

the EnumDecl when the enum type is complete.  This allows us to detect
redefinitions of enums.

llvm-svn: 39300

1 files changed, 15 insertions, 0 deletions

diff --git a/clang/AST/Decl.cpp b/clang/AST/Decl.cpp
index 11d92055c11..7e8cea9ae07 100644
--- a/clang/AST/Decl.cpp
+++ b/clang/AST/Decl.cpp
@@ -47,6 +47,21 @@ void FunctionDecl::setParams(VarDecl **NewParamInfo, unsigned NumParams) {
 }
 
 
+/// defineElements - When created, EnumDecl correspond to a forward declared
+/// enum.  This method is used to mark the decl as being defined, with the
+/// specified contents.
+void EnumDecl::defineElements(EnumConstantDecl **Elts, unsigned NumElts) {
+  assert(!isDefinition() && "Cannot redefine enums!");
+  setDefinition(true);
+  NumElements = NumElts;
+  if (NumElts) {
+    Elements = new EnumConstantDecl*[NumElts];
+    memcpy(Elements, Elts, NumElts*sizeof(Decl*));
+  }
+}
+
+
+
 /// defineBody - When created, RecordDecl's correspond to a forward declared
 /// record.  This method is used to mark the decl as being defined, with the
 /// specified contents.