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author: Kartik Agaram <vc@akkartik.com> 2021-03-23 17:31:08 -0700
committer: Kartik Agaram <vc@akkartik.com> 2021-03-23 17:31:08 -0700
commit: 3350c34a74844e21ea69077e01efff3bae64bdcd (patch)
tree: fa06ba58542297d1cff6b78958d4547a40a25d21 /html/linux/print-file.mu.html
parent: 62a244211024a8367332541c571621883c05bcce (diff)
download: mu-3350c34a74844e21ea69077e01efff3bae64bdcd.tar.gz
1 files changed, 101 insertions, 0 deletions
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+<html>
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8">
+<title>Mu - linux/print-file.mu</title>
+<meta name="Generator" content="Vim/8.1">
+<meta name="plugin-version" content="vim8.1_v1">
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+<a href='https://github.com/akkartik/mu/blob/main/linux/print-file.mu'>https://github.com/akkartik/mu/blob/main/linux/print-file.mu</a>
+<pre id='vimCodeElement'>
+<span id="L1" class="LineNr"> 1 </span><span class="muComment"># accept a filename on the commandline, read it and print it out to screen</span>
+<span id="L2" class="LineNr"> 2 </span><span class="muComment"># only ascii right now, just like the rest of Mu</span>
+<span id="L3" class="LineNr"> 3 </span><span class="muComment">#</span>
+<span id="L4" class="LineNr"> 4 </span><span class="muComment"># To run:</span>
+<span id="L5" class="LineNr"> 5 </span><span class="muComment">#   $ ./translate print-file.mu</span>
+<span id="L6" class="LineNr"> 6 </span><span class="muComment">#   $ echo abc &gt; x</span>
+<span id="L7" class="LineNr"> 7 </span><span class="muComment">#   $ ./a.elf x</span>
+<span id="L8" class="LineNr"> 8 </span><span class="muComment">#   abc</span>
+<span id="L9" class="LineNr"> 9 </span>
+<span id="L10" class="LineNr">10 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='print-file.mu.html#L10'>main</a></span> _args: (addr array addr array byte)<span class="PreProc"> -&gt; </span>_/<span class="Constant">ebx</span>: int <span class="Delimiter">{</span>
+<span id="L11" class="LineNr">11 </span>  <span class="PreProc">var</span> args/<span class="Constant">eax</span>: (addr array addr array byte) <span class="Special">&lt;-</span> copy _args
+<span id="L12" class="LineNr">12 </span>  <span class="PreProc">var</span> n/<span class="Constant">ecx</span>: int <span class="Special">&lt;-</span> length args
+<span id="L13" class="LineNr">13 </span>  compare n, <span class="Constant">1</span>
+<span id="L14" class="LineNr">14 </span>  <span class="Delimiter">{</span>
+<span id="L15" class="LineNr">15 </span>    <span class="PreProc">break-if-&gt;</span>
+<span id="L16" class="LineNr">16 </span>    <a href='405screen.mu.html#L169'>print-string</a> <span class="Constant">0</span>/screen, <span class="Constant">&quot;usage: cat &lt;filename&gt;\n&quot;</span>
+<span id="L17" class="LineNr">17 </span>    <span class="PreProc">return</span> <span class="Constant">0</span>
+<span id="L18" class="LineNr">18 </span>  <span class="Delimiter">}</span>
+<span id="L19" class="LineNr">19 </span>  <span class="Delimiter">{</span>
+<span id="L20" class="LineNr">20 </span>    <span class="PreProc">break-if-&lt;=</span>
+<span id="L21" class="LineNr">21 </span>    <span class="PreProc">var</span> filename/<span class="Constant">edx</span>: (addr addr array byte) <span class="Special">&lt;-</span> index args <span class="Constant">1</span>
+<span id="L22" class="LineNr">22 </span>    <span class="PreProc">var</span> in: (handle buffered-file)
+<span id="L23" class="LineNr">23 </span>    <span class="Delimiter">{</span>
+<span id="L24" class="LineNr">24 </span>      <span class="PreProc">var</span> addr-in/<span class="Constant">eax</span>: (addr handle buffered-file) <span class="Special">&lt;-</span> address in
+<span id="L25" class="LineNr">25 </span>      <a href='306files.subx.html#L12'>open</a> *filename, <span class="Constant">0</span>/read-only, addr-in
+<span id="L26" class="LineNr">26 </span>    <span class="Delimiter">}</span>
+<span id="L27" class="LineNr">27 </span>    <span class="PreProc">var</span> _in-addr/<span class="Constant">eax</span>: (addr buffered-file) <span class="Special">&lt;-</span> <a href='120allocate.subx.html#L258'>lookup</a> in
+<span id="L28" class="LineNr">28 </span>    <span class="PreProc">var</span> in-addr/<span class="Constant">ecx</span>: (addr buffered-file) <span class="Special">&lt;-</span> copy _in-addr
+<span id="L29" class="LineNr">29 </span>    <span class="Delimiter">{</span>
+<span id="L30" class="LineNr">30 </span>      <span class="PreProc">var</span> c/<span class="Constant">eax</span>: byte <span class="Special">&lt;-</span> <a href='112read-byte.subx.html#L38'>read-byte-buffered</a> in-addr
+<span id="L31" class="LineNr">31 </span>      compare c, <span class="Constant">0xffffffff</span>/end-of-file
+<span id="L32" class="LineNr">32 </span>      <span class="PreProc">break-if-=</span>
+<span id="L33" class="LineNr">33 </span>      <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special">&lt;-</span> copy c
+<span id="L34" class="LineNr">34 </span>      <a href='405screen.mu.html#L214'>print-grapheme</a> <span class="Constant">0</span>/screen, g
+<span id="L35" class="LineNr">35 </span>      <span class="PreProc">loop</span>
+<span id="L36" class="LineNr">36 </span>    <span class="Delimiter">}</span>
+<span id="L37" class="LineNr">37 </span>  <span class="Delimiter">}</span>
+<span id="L38" class="LineNr">38 </span>  <span class="PreProc">return</span> <span class="Constant">0</span>
+<span id="L39" class="LineNr">39 </span><span class="Delimiter">}</span>
+</pre>
+</body>
+</html>
+<!-- vim: set foldmethod=manual : -->
author	Kartik Agaram <vc@akkartik.com>	2021-03-23 17:31:08 -0700
committer	Kartik Agaram <vc@akkartik.com>	2021-03-23 17:31:08 -0700
commit	3350c34a74844e21ea69077e01efff3bae64bdcd (patch)
tree	fa06ba58542297d1cff6b78958d4547a40a25d21 /html/linux/print-file.mu.html
parent	62a244211024a8367332541c571621883c05bcce (diff)
download	mu-3350c34a74844e21ea69077e01efff3bae64bdcd.tar.gz