diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/gdb.html | 6 | ||||
| -rw-r--r-- | tools/zsh.html | 23 |
2 files changed, 27 insertions, 2 deletions
diff --git a/tools/gdb.html b/tools/gdb.html index 145fc62..d40e26d 100644 --- a/tools/gdb.html +++ b/tools/gdb.html @@ -341,6 +341,12 @@ 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> diff --git a/tools/zsh.html b/tools/zsh.html index 6b5eaab..04cdbde 100644 --- a/tools/zsh.html +++ b/tools/zsh.html @@ -378,8 +378,8 @@ 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 @@ -416,6 +416,25 @@ 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 \ + "1:opt 1:(a b c)" \ + ":opt next:(d e f)" \ + "*:opt all:(u v w)" +} +</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> |