EndsInNoReturn in expressions extension, fixes #13490 (#13520)

* fix #13490
2020-02-28 09:55:06 +00:00 · 2020-02-28 09:55:06 +00:00 · c79df2fb6a
commit c79df2fb6a
parent 25dc5f76e0
5 changed files with 42 additions and 8 deletions
--- a/compiler/ast.nim
+++ b/compiler/ast.nim
@ -336,6 +336,8 @@ const
  tagEffects* = 3       # user defined tag ('gc', 'time' etc.)
  pragmasEffects* = 4    # not an effect, but a slot for pragmas in proc type
  effectListLen* = 5    # list of effects list
+  nkLastBlockStmts* = {nkRaiseStmt, nkReturnStmt, nkBreakStmt, nkContinueStmt}  
+                        # these must be last statements in a block

 type
  TTypeKind* = enum  # order is important!