Lock semchecked ast for macros (#11883) [bugfix]

* reject to modify type checked AST * add flag to back out * Introduce legacy feature set.
2019-08-08 16:57:06 +02:00 · 2019-08-08 16:57:06 +02:00 · 44e7a7b6c2
commit 44e7a7b6c2
parent fda51b6ca2
8 changed files with 83 additions and 24 deletions
--- a/doc/advopt.txt
+++ b/doc/advopt.txt
@ -120,6 +120,9 @@ Advanced options:
  --errorMax:N              stop compilation after N errors; 0 means unlimited
  --experimental:$1
                            enable experimental language feature
+  --legacy:$2
+                            enable obsolete/legacy language feature
+                            legacy code.
  --newruntime              use an alternative runtime that uses destructors
                            and that uses a shared heap via -d:useMalloc
  --profiler:on|off         enable profiling; requires `import nimprof`, and