fix: report name of missing bindings or functions file in error msg

1 files changed, 8 insertions, 0 deletions

diff --git a/src/error.rs b/src/error.rs
index 0057f37..f988c86 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -6,6 +6,14 @@ use thiserror::Error;
 /// Define all the kinds of errors any part of this crate can return.
 #[derive(Debug, Error)]
 pub enum SubplotError {
+    /// Subplot could not find a file named as a bindings file.
+    #[error("binding file could not be found: {0}: {1}")]
+    BindingsFileNotFound(PathBuf, std::io::Error),
+
+    /// Subplot could not find a file named as a functions file.
+    #[error("functions file could not be found: {0}: {1}")]
+    FunctionsFileNotFound(PathBuf, anyhow::Error),
+
     /// The simple pattern contains a stray { or }.
     #[error("simple pattern contains a stray {{ or }}")]
     StrayBraceInSimplePattern(String),