first steps for 'not nil' annotation

2012-11-25 11:03:14 +01:00 · 2012-11-25 11:03:14 +01:00 · ccd2934e4a
commit ccd2934e4a
parent 019d6e4127
7 changed files with 127 additions and 69 deletions
--- a/compiler/ast.nim
+++ b/compiler/ast.nim
@ -715,6 +715,8 @@ const
    tyFloat..tyFloat128, tyUInt..tyUInt64}
  ConstantDataTypes*: TTypeKinds = {tyArrayConstr, tyArray, tySet, 
                                    tyTuple, tySequence}
+  NilableTypes*: TTypeKinds = {tyPointer, tyCString, tyRef, tyPtr, tySequence,
+    tyProc, tyString, tyError}
  ExportableSymKinds* = {skVar, skConst, skProc, skMethod, skType, skIterator, 
    skMacro, skTemplate, skConverter, skEnumField, skLet, skStub}
  PersistentNodeFlags*: TNodeFlags = {nfBase2, nfBase8, nfBase16, nfAllConst}