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-rw-r--r--tvix/eval/src/compiler/mod.rs5
-rw-r--r--tvix/eval/src/errors.rs16
2 files changed, 19 insertions, 2 deletions
diff --git a/tvix/eval/src/compiler/mod.rs b/tvix/eval/src/compiler/mod.rs
index 52b6e8e542ee..4d6728b6d6c3 100644
--- a/tvix/eval/src/compiler/mod.rs
+++ b/tvix/eval/src/compiler/mod.rs
@@ -192,7 +192,10 @@ impl Compiler<'_, '_> {
     fn compile_literal(&mut self, node: ast::Literal) {
         let value = match node.kind() {
             ast::LiteralKind::Float(f) => Value::Float(f.value().unwrap()),
-            ast::LiteralKind::Integer(i) => Value::Integer(i.value().unwrap()),
+            ast::LiteralKind::Integer(i) => match i.value() {
+                Ok(v) => Value::Integer(v),
+                Err(err) => return self.emit_error(&node, err.into()),
+            },
 
             ast::LiteralKind::Uri(u) => {
                 self.emit_warning(&node, WarningKind::DeprecatedLiteralURL);
diff --git a/tvix/eval/src/errors.rs b/tvix/eval/src/errors.rs
index d3d41cbbcd48..1b8f58356cab 100644
--- a/tvix/eval/src/errors.rs
+++ b/tvix/eval/src/errors.rs
@@ -1,6 +1,6 @@
 use crate::value::CoercionKind;
-use std::fmt::Display;
 use std::path::PathBuf;
+use std::{fmt::Display, num::ParseIntError};
 
 use codemap::{CodeMap, Span};
 use codemap_diagnostic::{Diagnostic, Emitter, Level, SpanLabel, SpanStyle};
@@ -77,12 +77,21 @@ pub enum ErrorKind {
     /// The given string doesn't represent an absolute path
     NotAnAbsolutePath(PathBuf),
 
+    /// An error occurred when parsing an integer
+    ParseIntError(ParseIntError),
+
     /// Tvix internal warning for features triggered by users that are
     /// not actually implemented yet, and without which eval can not
     /// proceed.
     NotImplemented(&'static str),
 }
 
+impl From<ParseIntError> for ErrorKind {
+    fn from(e: ParseIntError) -> Self {
+        Self::ParseIntError(e)
+    }
+}
+
 #[derive(Clone, Debug)]
 pub struct Error {
     pub kind: ErrorKind,
@@ -200,6 +209,10 @@ to a missing value in the attribute set(s) included via `with`."#,
                 )
             }
 
+            ErrorKind::ParseIntError(err) => {
+                format!("invalid integer: {}", err)
+            }
+
             ErrorKind::NotImplemented(feature) => {
                 format!("feature not yet implemented in Tvix: {}", feature)
             }
@@ -230,6 +243,7 @@ to a missing value in the attribute set(s) included via `with`."#,
             ErrorKind::NotCoercibleToString { .. } => "E018",
             ErrorKind::IndexOutOfBounds { .. } => "E019",
             ErrorKind::NotAnAbsolutePath(_) => "E020",
+            ErrorKind::ParseIntError(_) => "E021",
             ErrorKind::NotImplemented(_) => "E999",
         }
     }