Functions for error reporting out of macros.

* eval.c (eval_init): Register sys:ctx-form and sys:ctx-name
intrinsics.

* lisplib.c (error_set_entries, error_instantiate): New static
functions.
(lisplib_init): Register autoloading of error.tl via
new functions.

* share/txr/stdlib/error.tl: New file.

* struct.c (make_struct_type): Purge deferred warnings.

* unwind.c (uw_late_init): Register purge-deferred-warning
intrinsic.

1 files changed, 18 insertions, 0 deletions

diff --git a/lisplib.c b/lisplib.c
index 9d0472e4..b9aaf349 100644
--- a/lisplib.c
+++ b/lisplib.c
@@ -481,6 +481,23 @@ static val pmac_instantiate(val set_fun)
   return nil;
 }
 
+static val error_set_entries(val dlt, val fun)
+{
+  val name[] = {
+    lit("compile-error"), lit("compile-warning"), lit("compile-defr-warning"),
+    nil
+  };
+  set_dlt_entries(dlt, name, fun);
+  return nil;
+}
+
+static val error_instantiate(val set_fun)
+{
+  funcall1(set_fun, nil);
+  load(format(nil, lit("~aerror.tl"), stdlib_path, nao));
+  return nil;
+}
+
 val dlt_register(val dlt,
                  val (*instantiate)(val),
                  val (*set_entries)(val, val))
@@ -518,6 +535,7 @@ void lisplib_init(void)
   dlt_register(dl_table, getput_instantiate, getput_set_entries);
   dlt_register(dl_table, tagbody_instantiate, tagbody_set_entries);
   dlt_register(dl_table, pmac_instantiate, pmac_set_entries);
+  dlt_register(dl_table, error_instantiate, error_set_entries);
 }
 
 val lisplib_try_load(val sym)