From 60529354d9cf7b479605366b103517af44927e02 Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Sat, 25 Mar 2017 18:17:53 +0000
Subject: [PATCH] src/final.lisp (test-module): By default, just report and
 count up errors.

This makes the whole return value thing more useful.  You can still get
a backtrace (or enter the debugger or whatever) by setting the new
BACKTRACE argument.
---
 doc/misc.tex   | 3 ++-
 src/final.lisp | 5 +++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/doc/misc.tex b/doc/misc.tex
index e97fcb0..5ef4d1f 100644
--- a/doc/misc.tex
+++ b/doc/misc.tex
@@ -568,7 +568,8 @@ These symbols are defined in the @!optparse| package.
 \begin{describe}{var}{*debugout-pathname*}
 \end{describe}
 
-\begin{describe}{fun}{test-module @<path> \&key :reason :clear @> @<status>}
+\begin{describe}{fun}
+    {test-module @<path> \&key :reason :clear :backtrace @> @<status>}
 \end{describe}
 
 \begin{describe}{fun}
diff --git a/src/final.lisp b/src/final.lisp
index 0528491..8cd42f8 100644
--- a/src/final.lisp
+++ b/src/final.lisp
@@ -39,7 +39,7 @@
 (defvar *debugout-pathname* #p"debugout.c")
 
 (export 'test-module)
-(defun test-module (path &key reason clear)
+(defun test-module (path &key reason clear backtrace)
   "Read a module from PATH, to exercise the machinery.
 
    If CLEAR is non-nil, then reset the translator's state before proceeding.
@@ -51,7 +51,8 @@
    warnings encountered while processing the module."
   (when clear (clear-the-decks))
   (multiple-value-bind (module nerror nwarning)
-      (count-and-report-errors () (read-module path))
+      (if backtrace (read-module path)
+	  (count-and-report-errors () (read-module path)))
     (when (and module reason)
       (with-open-file (out *debugout-pathname*
 		       :direction :output
-- 
2.11.0