constant folding for cnst[i] and cnst.attr

2011-10-29 23:54:50 +02:00 · 2011-10-29 23:54:50 +02:00 · 299390a585
commit 299390a585
parent 22115a2c6a
5 changed files with 78 additions and 49 deletions
--- a/compiler/ast.nim
+++ b/compiler/ast.nim
@ -281,7 +281,9 @@ type
    nfBase2,    # nfBase10 is default, so not needed
    nfBase8,
    nfBase16,
-    nfAllConst, # used to mark complex expressions constant
+    nfAllConst, # used to mark complex expressions constant; easy to get rid of
+                # but unfortunately it has measurable impact for compilation
+                # efficiency
    nfTransf,   # node has been transformed
    nfSem       # node has been checked for semantics