File: highlight.vala.html

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<!DOCTYPE html>
<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>highlight.vala</title>
<meta name="generator" content="KF5::SyntaxHighlighting - Definition (Vala) - Theme (Breeze Light)"/>
</head><body style="background-color:#ffffff;color:#1f1c1b"><pre>
<span style="color:#898887">// Vala Sample File</span>

<span style="color:#898887">/*</span>
<span style="color:#898887"> * Multiline comment</span>
<span style="color:#898887"> * </span><span style="color:#81ca2d;background-color:#f7e6e6;font-weight:bold">NOTE</span><span style="color:#898887"> </span><span style="color:#ca9219;background-color:#451e1a;font-weight:bold">FIXME</span><span style="color:#898887"> </span><span style="color:#e85848;background-color:#451e1a;font-weight:bold">ALERT</span>
<span style="color:#898887"> */</span>
<span style="color:#0057ae">void</span> main<span style="color:#ca60ca">()</span> <span style="color:#ca60ca">{</span>
    print<span style="color:#ca60ca">(</span><span style="color:#bf0303">"Hello World</span><span style="color:#3daee9">\n</span><span style="color:#bf0303">"</span><span style="color:#ca60ca">);</span>
<span style="color:#ca60ca">}</span>

<span style="color:#898887">// Example 1</span>
<span style="font-weight:bold">class</span> Sample<span style="color:#ca60ca">:</span> Object <span style="color:#ca60ca">{</span>
    <span style="color:#0057ae">void</span> greeting<span style="color:#ca60ca">()</span> <span style="color:#ca60ca">{</span>
        stdout<span style="color:#ca60ca">.</span>printf<span style="color:#ca60ca">(</span><span style="color:#bf0303">"Hello World</span><span style="color:#3daee9">\n</span><span style="color:#bf0303">"</span><span style="color:#ca60ca">);</span>
    <span style="color:#ca60ca">}</span>

    <span style="font-weight:bold">static</span> <span style="color:#0057ae">void</span> main<span style="color:#ca60ca">(</span><span style="color:#0057ae">string</span><span style="color:#ca60ca">[]</span> args<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
        <span style="color:#0057ae">var</span> sample <span style="color:#ca60ca">=</span> <span style="font-weight:bold">new</span> Sample<span style="color:#ca60ca">();</span>
        sample<span style="color:#ca60ca">.</span>greeting<span style="color:#ca60ca">();</span>
    <span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>

<span style="color:#898887">// Example 2</span>
<span style="font-weight:bold">using</span> GLib<span style="color:#ca60ca">;</span>

<span style="font-weight:bold">interface</span> Printable <span style="color:#ca60ca">{</span>
    <span style="font-weight:bold">public</span> <span style="font-weight:bold">abstract</span> <span style="color:#0057ae">string</span> print<span style="color:#ca60ca">();</span>

    <span style="font-weight:bold">public</span> <span style="font-weight:bold">virtual</span> <span style="color:#0057ae">string</span> pretty_print<span style="color:#ca60ca">()</span> <span style="color:#ca60ca">{</span>
        <span style="font-weight:bold">return</span> <span style="color:#bf0303">"Please "</span> <span style="color:#ca60ca">+</span> print<span style="color:#ca60ca">();</span>
    <span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>

<span style="font-weight:bold">class</span> NormalPrint<span style="color:#ca60ca">:</span> Object<span style="color:#ca60ca">,</span> Printable <span style="color:#ca60ca">{</span>
    <span style="color:#0057ae">string</span> print<span style="color:#ca60ca">()</span> <span style="color:#ca60ca">{</span>
        <span style="font-weight:bold">return</span> <span style="color:#bf0303">"don't forget about me"</span><span style="color:#ca60ca">;</span>
    <span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>

<span style="font-weight:bold">class</span> OverridePrint<span style="color:#ca60ca">:</span> Object<span style="color:#ca60ca">,</span> Printable <span style="color:#ca60ca">{</span>
    <span style="color:#0057ae">string</span> print<span style="color:#ca60ca">()</span> <span style="color:#ca60ca">{</span>
        <span style="font-weight:bold">return</span> <span style="color:#bf0303">"Mind the gap"</span><span style="color:#ca60ca">;</span>
    <span style="color:#ca60ca">}</span>

    <span style="font-weight:bold">public</span> <span style="font-weight:bold">override</span> <span style="color:#0057ae">string</span> pretty_print<span style="color:#ca60ca">()</span> <span style="color:#ca60ca">{</span>
        <span style="font-weight:bold">return</span> <span style="color:#bf0303">"Override"</span><span style="color:#ca60ca">;</span>
    <span style="color:#ca60ca">}</span>
<span style="color:#ca60ca">}</span>

<span style="color:#0057ae">void</span> main<span style="color:#ca60ca">(</span><span style="color:#0057ae">string</span><span style="color:#ca60ca">[]</span> args<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
    <span style="color:#0057ae">var</span> normal <span style="color:#ca60ca">=</span> <span style="font-weight:bold">new</span> NormalPrint<span style="color:#ca60ca">();</span>
    <span style="color:#0057ae">var</span> overridden <span style="color:#ca60ca">=</span> <span style="font-weight:bold">new</span> OverridePrint<span style="color:#ca60ca">();</span>

    print<span style="color:#ca60ca">(</span>normal<span style="color:#ca60ca">.</span>pretty_print<span style="color:#ca60ca">());</span>
    print<span style="color:#ca60ca">(</span>overridden<span style="color:#ca60ca">.</span>pretty_print<span style="color:#ca60ca">());</span>
<span style="color:#ca60ca">}</span>

<span style="color:#898887">// Example 3</span>
<span style="font-weight:bold">using</span> Gtk<span style="color:#ca60ca">;</span>

<span style="color:#0057ae">int</span> main<span style="color:#ca60ca">(</span><span style="color:#0057ae">string</span><span style="color:#ca60ca">[]</span> args<span style="color:#ca60ca">)</span> <span style="color:#ca60ca">{</span>
    Gtk<span style="color:#ca60ca">.</span>init<span style="color:#ca60ca">(</span><span style="font-weight:bold">ref</span> args<span style="color:#ca60ca">);</span>

    <span style="color:#0057ae">var</span> window <span style="color:#ca60ca">=</span> <span style="font-weight:bold">new</span> Window<span style="color:#ca60ca">();</span>
    window<span style="color:#ca60ca">.</span>title <span style="color:#ca60ca">=</span> <span style="color:#bf0303">"Hello, World!"</span><span style="color:#ca60ca">;</span>
    window<span style="color:#ca60ca">.</span>border_width <span style="color:#ca60ca">=</span> <span style="color:#b08000">10</span><span style="color:#ca60ca">;</span>
    window<span style="color:#ca60ca">.</span>window_position <span style="color:#ca60ca">=</span> WindowPosition<span style="color:#ca60ca">.</span>CENTER<span style="color:#ca60ca">;</span>
    window<span style="color:#ca60ca">.</span>set_default_size<span style="color:#ca60ca">(</span><span style="color:#b08000">350</span><span style="color:#ca60ca">,</span> <span style="color:#b08000">70</span><span style="color:#ca60ca">);</span>
    window<span style="color:#ca60ca">.</span>destroy<span style="color:#ca60ca">.</span><span style="color:#0095ff;font-weight:bold">connect</span><span style="color:#ca60ca">(</span>Gtk<span style="color:#ca60ca">.</span>main_quit<span style="color:#ca60ca">);</span>

    <span style="color:#0057ae">var</span> label <span style="color:#ca60ca">=</span> <span style="font-weight:bold">new</span> Label<span style="color:#ca60ca">(</span><span style="color:#bf0303">"Hello, World!"</span><span style="color:#ca60ca">);</span>

    window<span style="color:#ca60ca">.</span>add<span style="color:#ca60ca">(</span>label<span style="color:#ca60ca">);</span>
    window<span style="color:#ca60ca">.</span>show_all<span style="color:#ca60ca">();</span>

    Gtk<span style="color:#ca60ca">.</span>main<span style="color:#ca60ca">();</span>
    <span style="font-weight:bold">return</span> <span style="color:#b08000">0</span><span style="color:#ca60ca">;</span>
<span style="color:#ca60ca">}</span>
</pre></body></html>