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authorVincent Ambo <mail@tazj.in>2022-11-20T22·31+0100
committertazjin <tazjin@tvl.su>2022-11-21T14·14+0000
commit994bf03b74672d3a8602e7dc1b73de1fd97830a3 (patch)
tree0917daf072d88d45d17520e0f80854c83cc69774 /tvix/eval/src/value/thunk.rs
parente1e8285ecfe94fc9afd33110ff63ce707fa4369a (diff)
fix(tvix/eval): ensure callable is forced when using call_with r/5297
When passing multiple arguments, every intermediate callable needs to
be forced as this is expected by the VM's call_value function.

Also adds a debug assertion for this which makes it easier to spot
exactly what went wrong.

Change-Id: I3aa519cb6cdaab713bd18282bef901c4cd77c535
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7312
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
Diffstat (limited to 'tvix/eval/src/value/thunk.rs')
-rw-r--r--tvix/eval/src/value/thunk.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/tvix/eval/src/value/thunk.rs b/tvix/eval/src/value/thunk.rs
index 549534b04ec7..5eee07a9e7ac 100644
--- a/tvix/eval/src/value/thunk.rs
+++ b/tvix/eval/src/value/thunk.rs
@@ -133,6 +133,10 @@ impl Thunk {
         }
     }
 
+    pub fn is_evaluated(&self) -> bool {
+        matches!(*self.0.borrow(), ThunkRepr::Evaluated(_))
+    }
+
     /// Returns a reference to the inner evaluated value of a thunk.
     /// It is an error to call this on a thunk that has not been
     /// forced, or is not otherwise known to be fully evaluated.