feat: init commit

crates/burrego/src/errors.rs

@@ -0,0 +1,31 @@
+use thiserror::Error;
+
+pub type Result<T> = std::result::Result<T, BurregoError>;
+
+#[derive(Error, Debug)]
+pub enum BurregoError {
+    #[error("Missing Rego builtins: {0}")]
+    MissingRegoBuiltins(String),
+
+    #[error("wasm engine error: {0}")]
+    WasmEngineError(String),
+
+    #[error("Rego wasm error: {0}")]
+    RegoWasmError(String),
+
+    #[error("JSON error: {0}")]
+    JSONError(String),
+
+    #[error("Evaluator builder error: {0}")]
+    EvaluatorBuilderError(String),
+
+    #[error("Builtin error [{name:?}]: {message:?}")]
+    BuiltinError { name: String, message: String },
+
+    #[error("Builtin not implemented: {0}")]
+    BuiltinNotImplementedError(String),
+
+    /// Wasmtime execution deadline exceeded
+    #[error("guest code interrupted, execution deadline exceeded")]
+    ExecutionDeadlineExceeded,
+}