Error reporting revamp

* set_error_reporting() is gone
* new lane generator setting error_reporting_level
* basic/extended stack trace is selectable at runtime instead of compile-time

1 files changed, 27 insertions, 5 deletions

diff --git a/docs/index.html b/docs/index.html
index 713955f..f34b672 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -702,6 +702,17 @@
                                 ATTEMPTING TO TRANSFER A FUNCTION REGISTERED BY A MODULE NOT LISTED HERE WILL RAISE AN ERROR.
                         </td>
                 </tr>
+                <tr id=".error_trace_level" valign=top>
+                        <td>
+                                <code>.error_trace_level</code>
+                        </td>
+                        <td>string</td>
+                        <td>
+                                Sets the error reporting mode. One of <tt>"minimal"</tt> (the default), <tt>"basic"</tt>, <tt>"extended"</tt>.<br />
+                                <tt>"minimal"</tt> yields only the location of the error.<br />
+                                The other 2 yield a full stack trace, with different amounts of data extracted from the debug infos. See <a href="#results">Results</a>.
+                        </td>
+                </tr>
                 <tr id=".name" valign=top>
                         <td>
                                 <code>.name</code>
@@ -819,6 +830,21 @@
 
 <!-- status +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
 <hr/>
+<h2 id="error_trace_level">Error trace level</h2>
+
+        <table border="1" bgcolor="#E0E0FF" cellpadding="10" style="width:50%">
+                <tr>
+                        <td>
+                                <pre>   str = lane_h.error_trace_level</pre>
+                        </td>
+                </tr>
+        </table>
+<p>
+        Read back the value set during lane generation, one of <tt>"basic", "minimal", "extended"</tt>.
+</p>
+
+<!-- status +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
+<hr/>
 <h2 id="status">Status</h2>
 
         <table border="1" bgcolor="#E0E0FF" cellpadding="10" style="width:50%">
@@ -926,12 +952,8 @@
 <hr/>
 <h2 id="results">Results and errors</h2>
 
-<table border="1" bgcolor="#E0E0FF" cellpadding="10" style="width:50%"><tr><td><pre>
-        set_error_reporting("basic"|"extended")
-</pre></td></tr></table>
-
 <p>
-        Sets the error reporting mode. "basic" is selected by default.
+        Error reporting level is set in the lane generator <a href="#.error_trace_level">settings</a>.
 </p>
 
 <p>