diff options
| 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/parse-int.mu.html | |
| parent | 62a244211024a8367332541c571621883c05bcce (diff) | |
| download | mu-3350c34a74844e21ea69077e01efff3bae64bdcd.tar.gz | |
.
Diffstat (limited to 'html/linux/parse-int.mu.html')
| -rw-r--r-- | html/linux/parse-int.mu.html | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/html/linux/parse-int.mu.html b/html/linux/parse-int.mu.html new file mode 100644 index 00000000..1041c516 --- /dev/null +++ b/html/linux/parse-int.mu.html @@ -0,0 +1,109 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> +<html> +<head> +<meta http-equiv="content-type" content="text/html; charset=UTF-8"> +<title>Mu - linux/parse-int.mu</title> +<meta name="Generator" content="Vim/8.1"> +<meta name="plugin-version" content="vim8.1_v1"> +<meta name="syntax" content="none"> +<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal-light"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; } +body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } +a { color:inherit; } +* { font-size:12pt; font-size: 1em; } +.PreProc { color: #c000c0; } +.Special { color: #ff6060; } +.LineNr { } +.Delimiter { color: #c000c0; } +.Constant { color: #008787; } +.muFunction { color: #af5f00; text-decoration: underline; } +.muComment { color: #005faf; } +--> +</style> + +<script type='text/javascript'> +<!-- + +/* function to open any folds containing a jumped-to line before jumping to it */ +function JumpToLine() +{ + var lineNum; + lineNum = window.location.hash; + lineNum = lineNum.substr(1); /* strip off '#' */ + + if (lineNum.indexOf('L') == -1) { + lineNum = 'L'+lineNum; + } + var lineElem = document.getElementById(lineNum); + /* Always jump to new location even if the line was hidden inside a fold, or + * we corrected the raw number to a line ID. + */ + if (lineElem) { + lineElem.scrollIntoView(true); + } + return true; +} +if ('onhashchange' in window) { + window.onhashchange = JumpToLine; +} + +--> +</script> +</head> +<body onload='JumpToLine();'> +<a href='https://github.com/akkartik/mu/blob/main/linux/parse-int.mu'>https://github.com/akkartik/mu/blob/main/linux/parse-int.mu</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="muComment"># parse a decimal int at the commandline</span> +<span id="L2" class="LineNr"> 2 </span><span class="muComment">#</span> +<span id="L3" class="LineNr"> 3 </span><span class="muComment"># To run:</span> +<span id="L4" class="LineNr"> 4 </span><span class="muComment"># $ ./translate parse-int.mu</span> +<span id="L5" class="LineNr"> 5 </span><span class="muComment"># $ ./a.elf 123</span> +<span id="L6" class="LineNr"> 6 </span><span class="muComment"># $ echo $?</span> +<span id="L7" class="LineNr"> 7 </span><span class="muComment"># 123</span> +<span id="L8" class="LineNr"> 8 </span> +<span id="L9" class="LineNr"> 9 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='parse-int.mu.html#L9'>main</a></span> _args: (addr array addr array byte)<span class="PreProc"> -> </span>_/<span class="Constant">ebx</span>: int <span class="Delimiter">{</span> +<span id="L10" class="LineNr">10 </span> <span class="muComment"># if no args, print a message and exit</span> +<span id="L11" class="LineNr">11 </span> <span class="PreProc">var</span> args/<span class="Constant">esi</span>: (addr array addr array byte) <span class="Special"><-</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"><-</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-></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">"usage: <a href='parse-int.mu.html#L25'>parse-int</a> <integer>\n"</span> +<span id="L17" class="LineNr">17 </span> <span class="PreProc">return</span> <span class="Constant">1</span> +<span id="L18" class="LineNr">18 </span> <span class="Delimiter">}</span> +<span id="L19" class="LineNr">19 </span> <span class="muComment"># otherwise parse the first arg as an integer</span> +<span id="L20" class="LineNr">20 </span> <span class="PreProc">var</span> in/<span class="Constant">ecx</span>: (addr addr array byte) <span class="Special"><-</span> index args, <span class="Constant">1</span> +<span id="L21" class="LineNr">21 </span> <span class="PreProc">var</span> out/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='parse-int.mu.html#L25'>parse-int</a> *in +<span id="L22" class="LineNr">22 </span> <span class="PreProc">return</span> out +<span id="L23" class="LineNr">23 </span><span class="Delimiter">}</span> +<span id="L24" class="LineNr">24 </span> +<span id="L25" class="LineNr">25 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='parse-int.mu.html#L25'>parse-int</a></span> _in: (addr array byte)<span class="PreProc"> -> </span>_/<span class="Constant">eax</span>: int <span class="Delimiter">{</span> +<span id="L26" class="LineNr">26 </span> <span class="PreProc">var</span> in/<span class="Constant">esi</span>: (addr array byte) <span class="Special"><-</span> copy _in +<span id="L27" class="LineNr">27 </span> <span class="PreProc">var</span> len/<span class="Constant">edx</span>: int <span class="Special"><-</span> length in +<span id="L28" class="LineNr">28 </span> <span class="PreProc">var</span> i/<span class="Constant">ecx</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> +<span id="L29" class="LineNr">29 </span> <span class="PreProc">var</span> result/<span class="Constant">edi</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span> +<span id="L30" class="LineNr">30 </span> <span class="Delimiter">{</span> +<span id="L31" class="LineNr">31 </span> compare i, len +<span id="L32" class="LineNr">32 </span> <span class="PreProc">break-if->=</span> +<span id="L33" class="LineNr">33 </span> <span class="muComment"># result *= 10</span> +<span id="L34" class="LineNr">34 </span> <span class="PreProc">var</span> ten/<span class="Constant">eax</span>: int <span class="Special"><-</span> copy <span class="Constant">0xa</span> +<span id="L35" class="LineNr">35 </span> result <span class="Special"><-</span> multiply ten +<span id="L36" class="LineNr">36 </span> <span class="muComment"># c = in[i]</span> +<span id="L37" class="LineNr">37 </span> <span class="PreProc">var</span> tmp/<span class="Constant">ebx</span>: (addr byte) <span class="Special"><-</span> index in, i +<span id="L38" class="LineNr">38 </span> <span class="PreProc">var</span> c/<span class="Constant">eax</span>: byte <span class="Special"><-</span> copy-byte *tmp +<span id="L39" class="LineNr">39 </span> <span class="muComment">#</span> +<span id="L40" class="LineNr">40 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="Special"><-</span> copy c +<span id="L41" class="LineNr">41 </span> <span class="PreProc">var</span> digit/<span class="Constant">eax</span>: int <span class="Special"><-</span> <a href='126write-int-decimal.subx.html#L405'>to-decimal-digit</a> g +<span id="L42" class="LineNr">42 </span> result <span class="Special"><-</span> add digit +<span id="L43" class="LineNr">43 </span> i <span class="Special"><-</span> increment +<span id="L44" class="LineNr">44 </span> <span class="PreProc">loop</span> +<span id="L45" class="LineNr">45 </span> <span class="Delimiter">}</span> +<span id="L46" class="LineNr">46 </span> <span class="PreProc">return</span> result +<span id="L47" class="LineNr">47 </span><span class="Delimiter">}</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> |