about summary refs log tree commit diff stats
path: root/html/010vm.cc.html
Commit message (Expand)AuthorAgeFilesLines
* 6958Kartik Agaram2020-10-051-370/+383
* 6397Kartik Agaram2020-05-241-0/+463
* 5485 - promote SubX to top-levelKartik Agaram2019-07-271-966/+0
* 4891Kartik Agaram2018-12-301-0/+1
* 4890 - new html renderingsKartik Agaram2018-12-291-17/+12
* 4814Kartik Agaram2018-12-011-74/+78
* 4709Kartik Agaram2018-10-171-3/+3
* 4539Kartik Agaram2018-09-071-6/+6
* 4447Kartik Agaram2018-07-271-876/+880
* 4243Kartik Agaram2018-05-121-735/+740
* 4242 - get rid of refcounts entirelyKartik Agaram2018-05-121-3/+3
* 4239Kartik Agaram2018-05-081-7/+7
* 4228Kartik K. Agaram2018-03-151-829/+830
* 4199Kartik K. Agaram2018-01-251-123/+122
* 4162Kartik K. Agaram2017-12-221-58/+83
* 4161Kartik K. Agaram2017-12-151-8/+8
* 4155Kartik K. Agaram2017-12-071-12/+12
* 4134 - 'input' = 'ingredient'Kartik K. Agaram2017-12-031-17/+17
* 4109Kartik K. Agaram2017-11-051-8/+8
* 4102Kartik K. Agaram2017-11-011-19/+19
* 4003Kartik K. Agaram2017-09-231-8/+8
* 3990Kartik K. Agaram2017-09-031-2/+2
* 3971Kartik K. Agaram2017-08-191-42/+42
* 3927Kartik K. Agaram2017-06-191-2/+2
* 3897 - various updates to documentationKartik K. Agaram2017-05-291-34/+34
* 3877Kartik K. Agaram2017-05-261-255/+250
* 3876Kartik K. Agaram2017-05-211-230/+231
* 3872Kartik K. Agaram2017-05-201-246/+260
* 3848Kartik K. Agaram2017-05-061-149/+146
* 3809Kartik K. Agaram2017-04-041-226/+227
* 3764 - better colors for cross-linksKartik K. Agaram2017-03-081-4/+5
* 3761Kartik K. Agaram2017-03-071-109/+110
* 3750Kartik K. Agaram2017-03-021-2/+2
* 3749Kartik K. Agaram2017-03-021-2/+2
* 3746Kartik K. Agaram2017-02-071-794/+811
* 3716Kartik K. Agaram2016-12-261-0/+2
* 3713 - cross-link calls with definitions in htmlKartik K. Agaram2016-12-261-140/+140
* 3710Kartik K. Agaram2016-12-261-839/+839
* 3709 - line numbers in htmlKartik K. Agaram2016-12-261-842/+866
* 3667Kartik K. Agaram2016-11-111-40/+73
* 3561Kartik K. Agaram2016-10-221-5/+5
* 3560Kartik K. Agaram2016-10-221-1/+1
* 3558Kartik K. Agaram2016-10-221-1/+1
* 3544Kartik K. Agaram2016-10-221-1/+1
* 3543Kartik K. Agaram2016-10-221-1/+1
* 3524Kartik K. Agaram2016-10-201-20/+20
* 3431Kartik K. Agaram2016-09-301-1/+2
* 3412Kartik K. Agaram2016-09-231-0/+4
* 3315Kartik K. Agaram2016-09-101-90/+213
* 3266Kartik K. Agaram2016-08-271-6/+6
span>: #8a8a8a; } .muComment { color: #005faf; } .LineNr { } .SpecialChar { color: #d70000; } .Delimiter { color: #c000c0; } .muFunction { color: #af5f00; text-decoration: underline; } .muTest { color: #5f8700; } .Constant { color: #008787; } .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/master/411string.mu'>https://github.com/akkartik/mu/blob/master/411string.mu</a> <pre id='vimCodeElement'> <span id="L1" class="LineNr"> 1 </span><span class="muComment"># read up to 'len' graphemes after skipping the first 'start' ones</span> <span id="L2" class="LineNr"> 2 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='411string.mu.html#L2'>substring</a></span> in: (addr array byte), start: int, len: int, out-ah: (addr handle array byte) <span class="Delimiter">{</span> <span id="L3" class="LineNr"> 3 </span> <span class="PreProc">var</span> in-stream: (stream byte <span class="Constant">0x100</span>) <span id="L4" class="LineNr"> 4 </span> <span class="PreProc">var</span> in-stream-addr/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar">&lt;-</span> address in-stream <span id="L5" class="LineNr"> 5 </span> <a href='108write.subx.html#L24'>write</a> in-stream-addr, in <span id="L6" class="LineNr"> 6 </span> <span class="PreProc">var</span> out-stream: (stream byte <span class="Constant">0x100</span>) <span id="L7" class="LineNr"> 7 </span> <span class="PreProc">var</span> out-stream-addr/<span class="Constant">edi</span>: (addr stream byte) <span class="SpecialChar">&lt;-</span> address out-stream <span id="L8" class="LineNr"> 8 </span> $substring:core: <span class="Delimiter">{</span> <span id="L9" class="LineNr"> 9 </span> <span class="muComment"># skip 'start' graphemes</span> <span id="L10" class="LineNr"> 10 </span> <span class="PreProc">var</span> i/<span class="Constant">eax</span>: int <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span> <span id="L11" class="LineNr"> 11 </span> <span class="Delimiter">{</span> <span id="L12" class="LineNr"> 12 </span> compare i, start <span id="L13" class="LineNr"> 13 </span> <span class="PreProc">break-if-&gt;=</span> <span id="L14" class="LineNr"> 14 </span> <span class="Delimiter">{</span> <span id="L15" class="LineNr"> 15 </span> <span class="PreProc">var</span> dummy/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='403unicode.mu.html#L158'>read-grapheme</a> in-stream-addr <span id="L16" class="LineNr"> 16 </span> compare dummy, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> <span id="L17" class="LineNr"> 17 </span> <span class="PreProc">break-if-=</span> $substring:core <span id="L18" class="LineNr"> 18 </span> <span class="Delimiter">}</span> <span id="L19" class="LineNr"> 19 </span> i <span class="SpecialChar">&lt;-</span> increment <span id="L20" class="LineNr"> 20 </span> <span class="PreProc">loop</span> <span id="L21" class="LineNr"> 21 </span> <span class="Delimiter">}</span> <span id="L22" class="LineNr"> 22 </span> <span class="muComment"># copy 'len' graphemes</span> <span id="L23" class="LineNr"> 23 </span> i <span class="SpecialChar">&lt;-</span> copy <span class="Constant">0</span> <span id="L24" class="LineNr"> 24 </span> <span class="Delimiter">{</span> <span id="L25" class="LineNr"> 25 </span> compare i, len <span id="L26" class="LineNr"> 26 </span> <span class="PreProc">break-if-&gt;=</span> <span id="L27" class="LineNr"> 27 </span> <span class="Delimiter">{</span> <span id="L28" class="LineNr"> 28 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='403unicode.mu.html#L158'>read-grapheme</a> in-stream-addr <span id="L29" class="LineNr"> 29 </span> compare g, <span class="Constant">0xffffffff</span> <span class="muComment"># end-of-file</span> <span id="L30" class="LineNr"> 30 </span> <span class="PreProc">break-if-=</span> $substring:core <span id="L31" class="LineNr"> 31 </span> <a href='403unicode.mu.html#L379'>write-grapheme</a> out-stream-addr, g <span id="L32" class="LineNr"> 32 </span> <span class="Delimiter">}</span> <span id="L33" class="LineNr"> 33 </span> i <span class="SpecialChar">&lt;-</span> increment <span id="L34" class="LineNr"> 34 </span> <span class="PreProc">loop</span> <span id="L35" class="LineNr"> 35 </span> <span class="Delimiter">}</span> <span id="L36" class="LineNr"> 36 </span> <span class="Delimiter">}</span> <span id="L37" class="LineNr"> 37 </span> <a href='310copy-bytes.subx.html#L59'>stream-to-array</a> out-stream-addr, out-ah <span id="L38" class="LineNr"> 38 </span><span class="Delimiter">}</span> <span id="L39" class="LineNr"> 39 </span> <span id="L40" class="LineNr"> 40 </span><span class="PreProc">fn</span> <span class="muTest"><a href='411string.mu.html#L40'>test-substring</a></span> <span class="Delimiter">{</span> <span id="L41" class="LineNr"> 41 </span> <span class="PreProc">var</span> out-h: (handle array byte) <span id="L42" class="LineNr"> 42 </span> <span class="PreProc">var</span> out-ah/<span class="Constant">edi</span>: (addr handle array byte) <span class="SpecialChar">&lt;-</span> address out-h <span id="L43" class="LineNr"> 43 </span> <span class="muComment"># prefix substrings</span> <span id="L44" class="LineNr"> 44 </span> <a href='411string.mu.html#L2'>substring</a> <span class="Constant">0</span>, <span class="Constant">0</span>, <span class="Constant">3</span>, out-ah <span id="L45" class="LineNr"> 45 </span> <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='120allocate.subx.html#L256'>lookup</a> *out-ah <span id="L46" class="LineNr"> 46 </span> <a href='105string-equal.subx.html#L220'>check-strings-equal</a> out, <span class="Constant">&quot;&quot;</span>, <span class="Constant">&quot;F - <a href='411string.mu.html#L40'>test-substring</a>/null&quot;</span> <span id="L47" class="LineNr"> 47 </span> <a href='411string.mu.html#L2'>substring</a> <span class="Constant">&quot;&quot;</span>, <span class="Constant">0</span>, <span class="Constant">3</span>, out-ah <span id="L48" class="LineNr"> 48 </span> <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='120allocate.subx.html#L256'>lookup</a> *out-ah <span id="L49" class="LineNr"> 49 </span><span class="CommentedCode">#? print-string-to-real-screen out</span> <span id="L50" class="LineNr"> 50 </span><span class="CommentedCode">#? print-string-to-real-screen &quot;\n&quot;</span> <span id="L51" class="LineNr"> 51 </span> <a href='105string-equal.subx.html#L220'>check-strings-equal</a> out, <span class="Constant">&quot;&quot;</span>, <span class="Constant">&quot;F - <a href='411string.mu.html#L40'>test-substring</a>/empty&quot;</span> <span id="L52" class="LineNr"> 52 </span> <span class="muComment">#</span> <span id="L53" class="LineNr"> 53 </span> <a href='411string.mu.html#L2'>substring</a> <span class="Constant">&quot;abcde&quot;</span>, <span class="Constant">0</span>, <span class="Constant">3</span>, out-ah <span id="L54" class="LineNr"> 54 </span> <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='120allocate.subx.html#L256'>lookup</a> *out-ah <span id="L55" class="LineNr"> 55 </span><span class="CommentedCode">#? print-string-to-real-screen out</span> <span id="L56" class="LineNr"> 56 </span><span class="CommentedCode">#? print-string-to-real-screen &quot;\n&quot;</span> <span id="L57" class="LineNr"> 57 </span> <a href='105string-equal.subx.html#L220'>check-strings-equal</a> out, <span class="Constant">&quot;abc&quot;</span>, <span class="Constant">&quot;F - <a href='411string.mu.html#L40'>test-substring</a>/truncate&quot;</span> <span id="L58" class="LineNr"> 58 </span> <span class="muComment">#</span> <span id="L59" class="LineNr"> 59 </span> <a href='411string.mu.html#L2'>substring</a> <span class="Constant">&quot;abcde&quot;</span>, <span class="Constant">0</span>, <span class="Constant">5</span>, out-ah <span id="L60" class="LineNr"> 60 </span> <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='120allocate.subx.html#L256'>lookup</a> *out-ah <span id="L61" class="LineNr"> 61 </span> <a href='105string-equal.subx.html#L220'>check-strings-equal</a> out, <span class="Constant">&quot;abcde&quot;</span>, <span class="Constant">&quot;F - <a href='411string.mu.html#L40'>test-substring</a>/all&quot;</span> <span id="L62" class="LineNr"> 62 </span> <span class="muComment">#</span> <span id="L63" class="LineNr"> 63 </span> <a href='411string.mu.html#L2'>substring</a> <span class="Constant">&quot;abcde&quot;</span>, <span class="Constant">0</span>, <span class="Constant">7</span>, out-ah <span id="L64" class="LineNr"> 64 </span> <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='120allocate.subx.html#L256'>lookup</a> *out-ah <span id="L65" class="LineNr"> 65 </span> <a href='105string-equal.subx.html#L220'>check-strings-equal</a> out, <span class="Constant">&quot;abcde&quot;</span>, <span class="Constant">&quot;F - <a href='411string.mu.html#L40'>test-substring</a>/too-small&quot;</span> <span id="L66" class="LineNr"> 66 </span> <span class="muComment"># substrings outside string</span> <span id="L67" class="LineNr"> 67 </span> <a href='411string.mu.html#L2'>substring</a> <span class="Constant">&quot;abcde&quot;</span>, <span class="Constant">6</span>, <span class="Constant">1</span>, out-ah <span id="L68" class="LineNr"> 68 </span> <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='120allocate.subx.html#L256'>lookup</a> *out-ah <span id="L69" class="LineNr"> 69 </span> <a href='105string-equal.subx.html#L220'>check-strings-equal</a> out, <span class="Constant">&quot;&quot;</span>, <span class="Constant">&quot;F - <a href='411string.mu.html#L40'>test-substring</a>/start-too-large&quot;</span> <span id="L70" class="LineNr"> 70 </span> <span class="muComment"># trim prefix</span> <span id="L71" class="LineNr"> 71 </span> <a href='411string.mu.html#L2'>substring</a> <span class="Constant">&quot;&quot;</span>, <span class="Constant">2</span>, <span class="Constant">3</span>, out-ah <span id="L72" class="LineNr"> 72 </span> <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='120allocate.subx.html#L256'>lookup</a> *out-ah <span id="L73" class="LineNr"> 73 </span> <a href='105string-equal.subx.html#L220'>check-strings-equal</a> out, <span class="Constant">&quot;&quot;</span>, <span class="Constant">&quot;F - <a href='411string.mu.html#L40'>test-substring</a>/middle-empty&quot;</span> <span id="L74" class="LineNr"> 74 </span> <span class="muComment">#</span> <span id="L75" class="LineNr"> 75 </span> <a href='411string.mu.html#L2'>substring</a> <span class="Constant">&quot;abcde&quot;</span>, <span class="Constant">1</span>, <span class="Constant">2</span>, out-ah <span id="L76" class="LineNr"> 76 </span> <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='120allocate.subx.html#L256'>lookup</a> *out-ah <span id="L77" class="LineNr"> 77 </span> <a href='105string-equal.subx.html#L220'>check-strings-equal</a> out, <span class="Constant">&quot;bc&quot;</span>, <span class="Constant">&quot;F - <a href='411string.mu.html#L40'>test-substring</a>/middle-truncate&quot;</span> <span id="L78" class="LineNr"> 78 </span> <span class="muComment">#</span> <span id="L79" class="LineNr"> 79 </span> <a href='411string.mu.html#L2'>substring</a> <span class="Constant">&quot;abcde&quot;</span>, <span class="Constant">1</span>, <span class="Constant">4</span>, out-ah <span id="L80" class="LineNr"> 80 </span> <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='120allocate.subx.html#L256'>lookup</a> *out-ah <span id="L81" class="LineNr"> 81 </span> <a href='105string-equal.subx.html#L220'>check-strings-equal</a> out, <span class="Constant">&quot;bcde&quot;</span>, <span class="Constant">&quot;F - <a href='411string.mu.html#L40'>test-substring</a>/middle-all&quot;</span> <span id="L82" class="LineNr"> 82 </span> <span class="muComment">#</span> <span id="L83" class="LineNr"> 83 </span> <a href='411string.mu.html#L2'>substring</a> <span class="Constant">&quot;abcde&quot;</span>, <span class="Constant">1</span>, <span class="Constant">5</span>, out-ah <span id="L84" class="LineNr"> 84 </span> <span class="PreProc">var</span> out/<span class="Constant">eax</span>: (addr array byte) <span class="SpecialChar">&lt;-</span> <a href='120allocate.subx.html#L256'>lookup</a> *out-ah <span id="L85" class="LineNr"> 85 </span> <a href='105string-equal.subx.html#L220'>check-strings-equal</a> out, <span class="Constant">&quot;bcde&quot;</span>, <span class="Constant">&quot;F - <a href='411string.mu.html#L40'>test-substring</a>/middle-too-small&quot;</span> <span id="L86" class="LineNr"> 86 </span><span class="Delimiter">}</span> <span id="L87" class="LineNr"> 87 </span> <span id="L88" class="LineNr"> 88 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='411string.mu.html#L88'>split-string</a></span> in: (addr array byte), delim: grapheme, out: (addr handle array (handle array byte)) <span class="Delimiter">{</span> <span id="L89" class="LineNr"> 89 </span> <span class="PreProc">var</span> in-stream: (stream byte <span class="Constant">0x100</span>) <span id="L90" class="LineNr"> 90 </span> <span class="PreProc">var</span> in-stream-addr/<span class="Constant">esi</span>: (addr stream byte) <span class="SpecialChar">&lt;-</span> address in-stream <span id="L91" class="LineNr"> 91 </span> <a href='108write.subx.html#L24'>write</a> in-stream-addr, in <span id="L92" class="LineNr"> 92 </span> <span class="PreProc">var</span> tokens-stream: (stream (handle array byte) <span class="Constant">0x100</span>) <span id="L93" class="LineNr"> 93 </span> <span class="PreProc">var</span> tokens-stream-addr/<span class="Constant">edi</span>: (addr stream (handle array byte)) <span class="SpecialChar">&lt;-</span> address tokens-stream <span id="L94" class="LineNr"> 94 </span> <span class="PreProc">var</span> curr-stream: (stream byte <span class="Constant">0x100</span>) <span id="L95" class="LineNr"> 95 </span> <span class="PreProc">var</span> curr-stream-addr/<span class="Constant">ecx</span>: (addr stream byte) <span class="SpecialChar">&lt;-</span> address curr-stream <span id="L96" class="LineNr"> 96 </span> $split-string:core: <span class="Delimiter">{</span> <span id="L97" class="LineNr"> 97 </span> <span class="PreProc">var</span> g/<span class="Constant">eax</span>: grapheme <span class="SpecialChar">&lt;-</span> <a href='403unicode.mu.html#L158'>read-grapheme</a> in-stream-addr <span id="L98" class="LineNr"> 98 </span> compare g, <span class="Constant">0xffffffff</span> <span id="L99" class="LineNr"> 99 </span> <span class="PreProc">break-if-=</span> <span id="L100" class="LineNr">100 </span><span class="CommentedCode">#? print-grapheme-to-real-screen g</span> <span id="L101" class="LineNr">101 </span><span class="CommentedCode">#? print-string-to-real-screen &quot;\n&quot;</span> <span id="L102" class="LineNr">102 </span> compare g, delim <span id="L103" class="LineNr">103 </span> <span class="Delimiter">{</span> <span id="L104" class="LineNr">104 </span> <span class="PreProc">break-if-!=</span> <span id="L105" class="LineNr">105 </span> <span class="muComment"># token complete; flush</span> <span id="L106" class="LineNr">106 </span> <span class="PreProc">var</span> token: (handle array byte) <span id="L107" class="LineNr">107 </span> <span class="PreProc">var</span> token-ah/<span class="Constant">eax</span>: (addr handle array byte) <span class="SpecialChar">&lt;-</span> address token <span id="L108" class="LineNr">108 </span> <a href='310copy-bytes.subx.html#L59'>stream-to-array</a> curr-stream-addr, token-ah <span id="L109" class="LineNr">109 </span> <a href='309stream.subx.html#L54'>write-to-stream</a> tokens-stream-addr, token-ah <span id="L110" class="LineNr">110 </span> <a href='106stream.subx.html#L17'>clear-stream</a> curr-stream-addr <span id="L111" class="LineNr">111 </span> <span class="PreProc">loop</span> $split-string:core <span id="L112" class="LineNr">112 </span> <span class="Delimiter">}</span> <span id="L113" class="LineNr">113 </span> <a href='403unicode.mu.html#L379'>write-grapheme</a> curr-stream-addr, g <span id="L114" class="LineNr">114 </span> <span class="PreProc">loop</span> <span id="L115" class="LineNr">115 </span> <span class="Delimiter">}</span> <span id="L116" class="LineNr">116 </span> <a href='310copy-bytes.subx.html#L59'>stream-to-array</a> tokens-stream-addr, out <span id="L117" class="LineNr">117 </span><span class="Delimiter">}</span> <span id="L118" class="LineNr">118 </span> <span id="L119" class="LineNr">119 </span><span class="PreProc">fn</span> <span class="muTest"><a href='411string.mu.html#L119'>test-split-string</a></span> <span class="Delimiter">{</span> <span id="L120" class="LineNr">120 </span> <span class="PreProc">var</span> out-h: (handle array (handle array byte)) <span id="L121" class="LineNr">121 </span> <span class="PreProc">var</span> out-ah/<span class="Constant">edi</span>: (addr handle array (handle array byte)) <span class="SpecialChar">&lt;-</span> address out-h <span id="L122" class="LineNr">122 </span> <span class="muComment"># prefix substrings</span> <span id="L123" class="LineNr">123 </span> <a href='411string.mu.html#L88'>split-string</a> <span class="Constant">&quot;bab&quot;</span>, <span class="Constant">0x61</span>, out-ah <span id="L124" class="LineNr">124 </span> <span class="muComment"># no crash</span> <span id="L125" class="LineNr">125 </span><span class="Delimiter">}</span> </pre> </body> </html> <!-- vim: set foldmethod=manual : -->