105 lines
6.4 KiB
HTML
105 lines
6.4 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>Mu - linux/apps/print-file.mu</title>
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<meta name="Generator" content="Vim/8.2">
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<meta name="plugin-version" content="vim8.1_v2">
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<meta name="syntax" content="none">
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<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=,use_input_for_pc=fallback">
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<meta name="colorscheme" content="minimal-light">
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<style>
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pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #ffffd7; }
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body { font-size:12pt; font-family: monospace; color: #000000; background-color: #ffffd7; }
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a { color:inherit; }
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* { font-size:12pt; font-size: 1em; }
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.PreProc { color: #c000c0; }
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.Special { color: #ff6060; }
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.Constant { color: #008787; }
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.muRegEcx { color: #870000; }
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.Delimiter { color: #c000c0; }
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.muFunction { color: #af5f00; text-decoration: underline; }
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.muComment { color: #005faf; }
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-->
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<script>
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/* function to open any folds containing a jumped-to line before jumping to it */
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function JumpToLine()
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var lineNum;
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lineNum = window.location.hash;
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lineNum = lineNum.substr(1); /* strip off '#' */
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if (lineNum.indexOf('L') == -1) {
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lineNum = 'L'+lineNum;
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var lineElem = document.getElementById(lineNum);
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/* Always jump to new location even if the line was hidden inside a fold, or
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* we corrected the raw number to a line ID.
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</head>
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<body onload='JumpToLine();'>
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<a href='https://github.com/akkartik/mu/blob/main/linux/apps/print-file.mu'>https://github.com/akkartik/mu/blob/main/linux/apps/print-file.mu</a>
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<pre id='vimCodeElement'>
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<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>
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<span id="L2" class="LineNr"> 2 </span><span class="muComment"># only ascii right now, just like the rest of Mu</span>
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<span id="L3" class="LineNr"> 3 </span><span class="muComment">#</span>
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<span id="L4" class="LineNr"> 4 </span><span class="muComment"># To run:</span>
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<span id="L5" class="LineNr"> 5 </span><span class="muComment"># $ ./translate apps/print-file.mu</span>
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<span id="L6" class="LineNr"> 6 </span><span class="muComment"># $ echo abc > x</span>
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<span id="L7" class="LineNr"> 7 </span><span class="muComment"># $ ./a.elf x</span>
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<span id="L8" class="LineNr"> 8 </span><span class="muComment"># abc</span>
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<span id="L9" class="LineNr"> 9 </span>
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<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="muRegEbx">ebx</span>: int <span class="Delimiter">{</span>
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<span id="L11" class="LineNr">11 </span> <span class="PreProc">var</span> args/eax: (addr array addr array byte) <span class="Special"><-</span> copy _args
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<span id="L12" class="LineNr">12 </span> <span class="PreProc">var</span> n/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> length args
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<span id="L13" class="LineNr">13 </span> compare n, <span class="Constant">1</span>
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<span id="L14" class="LineNr">14 </span> <span class="Delimiter">{</span>
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<span id="L15" class="LineNr">15 </span> <span class="PreProc">break-if-></span>
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<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: cat <filename>\n"</span>
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<span id="L17" class="LineNr">17 </span> <span class="PreProc">return</span> <span class="Constant">0</span>
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<span id="L18" class="LineNr">18 </span> <span class="Delimiter">}</span>
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<span id="L19" class="LineNr">19 </span> <span class="Delimiter">{</span>
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<span id="L20" class="LineNr">20 </span> <span class="PreProc">break-if-<=</span>
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<span id="L21" class="LineNr">21 </span> <span class="PreProc">var</span> filename/<span class="muRegEdx">edx</span>: (addr addr array byte) <span class="Special"><-</span> index args <span class="Constant">1</span>
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<span id="L22" class="LineNr">22 </span> <span class="PreProc">var</span> in: (handle buffered-file)
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<span id="L23" class="LineNr">23 </span> <span class="Delimiter">{</span>
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<span id="L24" class="LineNr">24 </span> <span class="PreProc">var</span> addr-in/eax: (addr handle buffered-file) <span class="Special"><-</span> address in
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<span id="L25" class="LineNr">25 </span> <a href='../306files.subx.html#L9'>open</a> *filename, <span class="Constant">0</span>/read-only, addr-in
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<span id="L26" class="LineNr">26 </span> <span class="Delimiter">}</span>
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<span id="L27" class="LineNr">27 </span> <span class="PreProc">var</span> _in-addr/eax: (addr buffered-file) <span class="Special"><-</span> <a href='../120allocate.subx.html#L258'>lookup</a> in
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<span id="L28" class="LineNr">28 </span> <span class="PreProc">var</span> in-addr/<span class="muRegEcx">ecx</span>: (addr buffered-file) <span class="Special"><-</span> copy _in-addr
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<span id="L29" class="LineNr">29 </span> <span class="Delimiter">{</span>
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<span id="L30" class="LineNr">30 </span> <span class="PreProc">var</span> c/eax: byte <span class="Special"><-</span> <a href='../112read-byte.subx.html#L38'>read-byte-buffered</a> in-addr
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<span id="L31" class="LineNr">31 </span> compare c, <span class="Constant">0xffffffff</span>/end-of-file
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<span id="L32" class="LineNr">32 </span> <span class="PreProc">break-if-=</span>
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<span id="L33" class="LineNr">33 </span> <span class="PreProc">var</span> g/eax: code-point-utf8 <span class="Special"><-</span> copy c
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<span id="L34" class="LineNr">34 </span> <a href='../405screen.mu.html#L214'>print-code-point-utf8</a> <span class="Constant">0</span>/screen, g
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<span id="L35" class="LineNr">35 </span> <span class="PreProc">loop</span>
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<span id="L36" class="LineNr">36 </span> <span class="Delimiter">}</span>
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<span id="L37" class="LineNr">37 </span> <span class="Delimiter">}</span>
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<span id="L38" class="LineNr">38 </span> <span class="PreProc">return</span> <span class="Constant">0</span>
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<span id="L39" class="LineNr">39 </span><span class="Delimiter">}</span>
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</pre>
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</body>
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</html>
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