<!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 - apps/print-file.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; } .muComment { color: #005faf; } .LineNr { } .SpecialChar { color: #d70000; } .Constant { color: #008787; } .muFunction { color: #af5f00; text-decoration: underline; } .Delimiter { color: #c000c0; } .PreProc { color: #c000c0; } --> </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/apps/print-file.mu'>https://github.com/akkartik/mu/blob/main/apps/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_mu apps/print-file.mu</span> <span id="L6" class="LineNr"> 6 </span><span class="muComment"># $ echo abc > 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"> -> </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="SpecialChar"><-</span> copy _args <span id="L12" class="LineNr">12 </span> <span class="PreProc">var</span> n/<span class="Constant">ecx</span>: int <span class="SpecialChar"><-</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>, <span class="Constant">"usage: cat <filename>\n"</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-<=</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="SpecialChar"><-</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="SpecialChar"><-</span> address in <span id="L25" class="LineNr">25 </span> <a href='../306files.subx.html#L12'>open</a> *filename, <span class="Constant">0</span>, 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="SpecialChar"><-</span> <a href='../120allocate.subx.html#L256'>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="SpecialChar"><-</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="SpecialChar"><-</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> <span class="muComment"># EOF marker</span> <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="SpecialChar"><-</span> copy c <span id="L34" class="LineNr">34 </span> <a href='../405screen.mu.html#L210'>print-grapheme</a> <span class="Constant">0</span>, 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 : -->