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authorVincent Ambo <mail@tazj.in>2022-10-05T14·01+0300
committertazjin <tazjin@tvl.su>2022-10-07T14·24+0000
commit07e03498f26afbf647102d656c90d447f8586820 (patch)
tree0f891cb5f2601e12bbbe89d10961f4f9b2d16fc1 /corp/tvixbolt/src
parent4b9178fa2ae4cab718225f6136791df1d11814ee (diff)
feat(tvix/eval): add method for emitting runtime warnings r/5049
This lets the VM emit warnings when it encounters situations that
should only be warned about at runtime.

For starters, this is used to pass through compilation warnings that
come up when `import` is used.

Change-Id: I0c4bc8c534d699999887c430d93629fadfa662c4
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6868
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Diffstat (limited to 'corp/tvixbolt/src')
-rw-r--r--corp/tvixbolt/src/main.rs13
1 files changed, 12 insertions, 1 deletions
diff --git a/corp/tvixbolt/src/main.rs b/corp/tvixbolt/src/main.rs
index f81ae070a2ce..8099a5238d02 100644
--- a/corp/tvixbolt/src/main.rs
+++ b/corp/tvixbolt/src/main.rs
@@ -292,7 +292,18 @@ fn eval(trace: bool, code: &str) -> Output {
     };
 
     match result {
-        Ok(value) => writeln!(&mut out.output, "{}", value).unwrap(),
+        Ok(result) => {
+            for warning in result.warnings {
+                writeln!(
+                    &mut out.warnings,
+                    "{}\n",
+                    warning.fancy_format_str(&source).trim(),
+                )
+                .unwrap();
+            }
+
+            writeln!(&mut out.output, "{}", result.value).unwrap()
+        }
         Err(err) => writeln!(
             &mut out.runtime_errors,
             "{}",