Centralize error message construction

[tiger.ml.git] / compiler / src / lib / tiger / tiger_error.ml

diff --git a/compiler/src/lib/tiger/tiger_error.ml b/compiler/src/lib/tiger/tiger_error.ml
new file mode 100644 (file)
index 0000000..eb2c177
--- /dev/null
+++ b/compiler/src/lib/tiger/tiger_error.ml
@@ -0,0 +1,7 @@
+module Pos = Tiger_position
+
+exception T of string
+
+let exn ~pos ~msg =
+  let msg = Printf.sprintf "Error: %s. In %s." msg (Pos.to_string pos) in
+  raise (T msg)