1 files changed, 31 insertions, 0 deletions

diff --git a/src/bootstrap/primitives.c b/src/bootstrap/primitives.c
index a3b69f6..3afeef6 100644
--- a/src/bootstrap/primitives.c
+++ b/src/bootstrap/primitives.c
@@ -319,6 +319,22 @@ proc_is_procedure(Environment *env, Object *obj) {
     return obj->type == OBJ_TYPE_PROCEDURE ? obj_true : obj_false;
 }
 
+Object *
+proc_is_error(Environment *env, Object *obj) {
+    if (obj == obj_nil) {
+        error_push((Error){
+            .type = ERR_TYPE_RUNTIME,
+            .value = ERR_NOT_ENOUGH_ARGS,
+        });
+        return obj_err;
+    }
+    obj = eval(env, obj->car);
+    if (obj == obj_err) {
+        return obj_true;
+    }
+    return obj_false;
+}
+
 //
 // Boolean/conditional procedures.
 //
@@ -693,6 +709,21 @@ proc_eval(Environment *env, Object *obj) {
     return eval(env, eval(env, obj->car));
 }
 
+Object *
+proc_supress_errors(Environment *env, Object *obj) {
+    Object *car = extract_car_with_type(env, obj, OBJ_TYPE_BOOL);
+    if (car == obj_err) {
+        return obj_err;
+    }
+
+    if (car == obj_true) {
+        supress_errors = true;
+    } else if (car == obj_false) {
+        supress_errors = false;
+    }
+    return obj_nil;
+}
+
 // TODO: map
 // TODO: apply
 // TODO: filter