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authormetagn <metagngn@gmail.com>2024-05-10 11:30:57 +0300
committerGitHub <noreply@github.com>2024-05-10 10:30:57 +0200
commitc101490a0c3422cde5a6d2fd686e5ff5feb7237f (patch)
treeddad3cbe0c3ff72cf34c1099d247d5cb377e1775 /compiler
parent1eb9aac2f7a8469a682528a0d63128d599fabae7 (diff)
downloadNim-c101490a0c3422cde5a6d2fd686e5ff5feb7237f.tar.gz
remove bad type inference behavior for enum identifiers (#23588)
refs
https://github.com/nim-lang/Nim/issues/23586#issuecomment-2102113750

In #20091 a bad kind of type inference was mistakenly left in where if
an identifier `abc` had an expected type of an enum type `Enum`, and
`Enum` had a member called `abc`, the identifier would change to be that
enum member. This causes bugs where a local symbol can have the same
name as an enum member but have a different value. I had assumed this
behavior was removed since but it wasn't, and CI seems to pass having it
removed.

A separate PR needs to be made for the 2.0 branch because these lines
were moved around during a refactoring in #23123 which is not in 2.0.
Diffstat (limited to 'compiler')
-rw-r--r--compiler/semexprs.nim7
1 files changed, 0 insertions, 7 deletions
diff --git a/compiler/semexprs.nim b/compiler/semexprs.nim
index 92757c77a..6893f7287 100644
--- a/compiler/semexprs.nim
+++ b/compiler/semexprs.nim
@@ -3028,13 +3028,6 @@ proc resolveIdentToSym(c: PContext, n: PNode, resultNode: var PNode,
                        flags: TExprFlags, expectedType: PType): PSym =
   # result is nil on error or if a node that can't produce a sym is resolved
   let ident = considerQuotedIdent(c, n)
-  if expectedType != nil and (
-      let expected = expectedType.skipTypes(abstractRange-{tyDistinct});
-      expected.kind == tyEnum):
-    let nameId = ident.id
-    for f in expected.n:
-      if f.kind == nkSym and f.sym.name.id == nameId:
-        return f.sym
   var filter = {low(TSymKind)..high(TSymKind)}
   if efNoEvaluateGeneric in flags:
     # `a[...]` where `a` is a module or package is not possible