From 1b251a08f8c10ff292d1ca9b1c580e88df483b94 Mon Sep 17 00:00:00 2001
From: johannst <johannst@users.noreply.github.com>
Date: Mon, 26 Jun 2023 19:23:26 +0000
Subject: deploy: e730452fd8bd6824d35f25f2e87b8ec788b626fd

---
 print.html | 29 +++++++++++++++++++++++++++--
 1 file changed, 27 insertions(+), 2 deletions(-)

(limited to 'print.html')

diff --git a/print.html b/print.html
index 219f8c0..3af14e1 100644
--- a/print.html
+++ b/print.html
@@ -399,8 +399,8 @@ blu  -- desc for blu
 </code></pre>
 <p>where <code>SPEC</code> can have one of the following forms:</p>
 <ul>
-<li><code>OPT[DESC]:MSG:ACTION</code></li>
-<li><code>N:MSG:ACTION</code></li>
+<li><code>OPT[DESC]:MSG:ACTION</code> for option flags</li>
+<li><code>N:MSG:ACTION</code> for positional arguments</li>
 </ul>
 <p>Available actions</p>
 <pre><code class="language-zsh">(op1 op2)   list possible matches
@@ -437,6 +437,25 @@ function _foo() {
     esac
 }
 </code></pre>
+<h3 id="example-with-optional-arguments"><a class="header" href="#example-with-optional-arguments">Example with optional arguments</a></h3>
+<p>For this example we assume that the command <code>foo</code> takes at least three optional
+arguments such as</p>
+<pre><code class="language-zsh">foo arg1 arg2 arg3 [argN..]
+</code></pre>
+<pre><code class="language-zsh">function _foo() {
+    _arguments              \
+        &quot;1:opt 1:(a b c)&quot;   \
+        &quot;:opt next:(d e f)&quot; \
+        &quot;*:opt all:(u v w)&quot;
+}
+</code></pre>
+<p>Explanation:</p>
+<ul>
+<li><code>1:MSG:ACTION</code> sets completion for the <strong>first</strong> optional argument</li>
+<li><code>:MSG:ACTION</code> sets completion for the <strong>next</strong> optional argument</li>
+<li><code>*:MSG:ACTION</code> sets completion for the optional argument where none of the
+previous rules apply, so in our example for <code>arg3, argN..</code>.</li>
+</ul>
 <blockquote>
 <p><code>_files</code> is a zsh builtin utility function to complete files/dirs see</p>
 <ul>
@@ -1707,6 +1726,12 @@ instruction pointer (<code>$rip</code> x86) and format as instruction <code>/i</
   # Make existing breakpoint conditional
   cond 2 if i == 7
 </code></pre>
+<h2 id="set-breakpoint-on-all-threads-except-one"><a class="header" href="#set-breakpoint-on-all-threads-except-one">Set breakpoint on all threads except one</a></h2>
+<p>Create conditional breakpoint using the <code>$_thread</code> <a href="https://sourceware.org/gdb/onlinedocs/gdb/Convenience-Vars.html#Convenience-Vars">convenience
+variable</a>.</p>
+<pre><code class="language-markdown">  # Create conditional breakpoint on all threads except thread 12.
+  b foo if $_thread != 12
+</code></pre>
 <h2 id="catch-sigsegv-and-execute-commands"><a class="header" href="#catch-sigsegv-and-execute-commands">Catch SIGSEGV and execute commands</a></h2>
 <p>This creates a <code>catchpoint</code> for the <code>SIGSEGV</code> signal and attached the <code>command</code>
 to it.</p>
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