diff options
| -rw-r--r-- | apps/calls.subx | 4 | ||||
| -rw-r--r-- | apps/mulisp.subx | 18 | ||||
| -rw-r--r-- | html/apps/calls.subx.html | 4 | ||||
| -rw-r--r-- | html/apps/mulisp.subx.html | 195 |
4 files changed, 206 insertions, 15 deletions
diff --git a/apps/calls.subx b/apps/calls.subx index 89b67cf6..a7e3bd57 100644 --- a/apps/calls.subx +++ b/apps/calls.subx @@ -248,8 +248,8 @@ parse-line: # line : (address stream byte), words : (address stream slice) # . save registers 51/push-ecx # var word-slice/ecx : (address slice) = {0, 0} - 68/push 0/imm32 - 68/push 0/imm32 + 68/push 0/imm32/end + 68/push 0/imm32/start 89/<- %ecx 4/r32/esp $parse-line:loop: # word-slice = next-word-string-or-expression-without-metadata(line) diff --git a/apps/mulisp.subx b/apps/mulisp.subx index 015bd181..92803e97 100644 --- a/apps/mulisp.subx +++ b/apps/mulisp.subx @@ -7,10 +7,6 @@ # => 42 # ^D # $ -# -# Or, for emulated mode (veeery slow): -# $ cat 0*.subx apps/mulisp.subx | ./subx run apps/desugar > a.desugar -# $ ./subx translate a.desugar -o a.elf == code @@ -39,8 +35,8 @@ $main:end: b8/copy-to-eax 1/imm32/exit cd/syscall 0x80/imm8 -# type val = nil | num | char | symbol | pair | array -# tag: 0 1 2 3 4 5 +# type cell = nil | num | char | symbol | pair | array | stream +# tag: 0 1 2 3 4 5 6 # numbers start with a digit and are always in hex # characters start with a backslash # pairs start with '(' @@ -54,12 +50,12 @@ repl: # in : (address buffered-file), out : (address buffered-file) -> <void> # . save registers 50/push-eax $repl:loop: - (lisp-read Stdin) # => eax + (lisp-read Stdin) # => eax : (address cell) # if (eax == 0) break 3d/compare-eax-and 0/imm32 74/jump-if-equal $repl:end/disp8 # - (lisp-eval %eax) # => eax + (lisp-eval %eax) # => eax : (address cell) (lisp-print Stdout %eax) # loop eb/jump $repl:loop/disp8 @@ -71,7 +67,7 @@ $repl:end: 5d/pop-to-ebp c3/return -lisp-read: # in : (address buffered-file) -> eax : (address val) +lisp-read: # in : (address buffered-file) -> eax : (address cell) # . prolog 55/push-ebp 89/<- %ebp 4/r32/esp @@ -102,7 +98,7 @@ $lisp-read:end: 5d/pop-to-ebp c3/return -lisp-eval: # in : (address val) -> eax : (address val) +lisp-eval: # in : (address cell) -> eax : (address cell) # . prolog 55/push-ebp 89/<- %ebp 4/r32/esp @@ -115,7 +111,7 @@ $lisp-eval:end: 5d/pop-to-ebp c3/return -lisp-print: # out : (address buffered-file), x : (address val) +lisp-print: # out : (address buffered-file), x : (address cell) # . prolog 55/push-ebp 89/<- %ebp 4/r32/esp diff --git a/html/apps/calls.subx.html b/html/apps/calls.subx.html index e370fff2..707593ec 100644 --- a/html/apps/calls.subx.html +++ b/html/apps/calls.subx.html @@ -309,8 +309,8 @@ if ('onhashchange' in window) { <span id="L248" class="LineNr"> 248 </span> <span class="subxS1Comment"># . save registers</span> <span id="L249" class="LineNr"> 249 </span> 51/push-ecx <span id="L250" class="LineNr"> 250 </span> <span class="subxComment"># var word-slice/ecx : (address slice) = {0, 0}</span> -<span id="L251" class="LineNr"> 251 </span> 68/push 0/imm32 -<span id="L252" class="LineNr"> 252 </span> 68/push 0/imm32 +<span id="L251" class="LineNr"> 251 </span> 68/push 0/imm32/end +<span id="L252" class="LineNr"> 252 </span> 68/push 0/imm32/start <span id="L253" class="LineNr"> 253 </span> 89/<- %ecx 4/r32/esp <span id="L254" class="LineNr"> 254 </span><span class="Constant">$parse-line:loop</span>: <span id="L255" class="LineNr"> 255 </span> <span class="subxComment"># word-slice = next-word-string-or-expression-without-metadata(line)</span> diff --git a/html/apps/mulisp.subx.html b/html/apps/mulisp.subx.html new file mode 100644 index 00000000..e3c08251 --- /dev/null +++ b/html/apps/mulisp.subx.html @@ -0,0 +1,195 @@ +<!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/mulisp.subx</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; } +.subxComment { color: #005faf; } +.subxFunction { color: #af5f00; text-decoration: underline; } +.LineNr { } +.subxS1Comment { color: #0000af; } +.SpecialChar { color: #d70000; } +.Constant { color: #008787; } +--> +</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/apps/mulisp.subx'>https://github.com/akkartik/mu/blob/master/apps/mulisp.subx</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Toy lisp interpreter</span> +<span id="L2" class="LineNr"> 2 </span><span class="subxComment">#</span> +<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># To run:</span> +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># $ ./ntranslate 0*.subx apps/subx-common.subx apps/mulisp.subx</span> +<span id="L5" class="LineNr"> 5 </span><span class="subxComment"># $ ./a.elf</span> +<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># 42</span> +<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># => 42</span> +<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># ^D</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># $</span> +<span id="L10" class="LineNr"> 10 </span> +<span id="L11" class="LineNr"> 11 </span>== code +<span id="L12" class="LineNr"> 12 </span> +<span id="L13" class="LineNr"> 13 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># run tests if necessary, a REPL if not</span> +<span id="L14" class="LineNr"> 14 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L15" class="LineNr"> 15 </span> 89/<- %ebp 4/r32/esp +<span id="L16" class="LineNr"> 16 </span> <span class="subxComment"># initialize heap</span> +<span id="L17" class="LineNr"> 17 </span> (new-segment <span class="SpecialChar">Heap-size</span> <span class="SpecialChar"><a href='../075array-equal.subx.html#L623'>Heap</a></span>) +<span id="L18" class="LineNr"> 18 </span> <span class="subxComment"># if (argc <= 1) goto run-main</span> +<span id="L19" class="LineNr"> 19 </span> 81 7/subop/compare *ebp 1/imm32 +<span id="L20" class="LineNr"> 20 </span> 7e/jump-if-lesser-or-equal $run-main/disp8 +<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># if (argv[1] != "test")) goto run-main</span> +<span id="L22" class="LineNr"> 22 </span> (kernel-string-equal? *(ebp+8) <span class="Constant">"test"</span>) <span class="subxComment"># => eax</span> +<span id="L23" class="LineNr"> 23 </span> 3d/compare-eax-and 0/imm32 +<span id="L24" class="LineNr"> 24 </span> 74/jump-if-equal $run-main/disp8 +<span id="L25" class="LineNr"> 25 </span> <span class="subxComment">#</span> +<span id="L26" class="LineNr"> 26 </span> (run-tests) +<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># syscall(exit, *Num-test-failures)</span> +<span id="L28" class="LineNr"> 28 </span> 8b/-> *<span class="SpecialChar"><a href='../051test.subx.html#L90'>Num-test-failures</a></span> 3/r32/ebx +<span id="L29" class="LineNr"> 29 </span> eb/jump $main:end/disp8 +<span id="L30" class="LineNr"> 30 </span><span class="Constant">$run-main</span>: +<span id="L31" class="LineNr"> 31 </span> (repl <span class="SpecialChar"><a href='../061read-byte.subx.html#L14'>Stdin</a></span> <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span>) +<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># syscall(exit, 0)</span> +<span id="L33" class="LineNr"> 33 </span> bb/copy-to-ebx 0/imm32 +<span id="L34" class="LineNr"> 34 </span><span class="Constant">$main:end</span>: +<span id="L35" class="LineNr"> 35 </span> b8/copy-to-eax 1/imm32/exit +<span id="L36" class="LineNr"> 36 </span> cd/syscall 0x80/imm8 +<span id="L37" class="LineNr"> 37 </span> +<span id="L38" class="LineNr"> 38 </span><span class="subxComment"># type cell = nil | num | char | symbol | pair | array | stream</span> +<span id="L39" class="LineNr"> 39 </span><span class="subxComment"># tag: 0 1 2 3 4 5 6</span> +<span id="L40" class="LineNr"> 40 </span><span class="subxComment"># numbers start with a digit and are always in hex</span> +<span id="L41" class="LineNr"> 41 </span><span class="subxComment"># characters start with a backslash</span> +<span id="L42" class="LineNr"> 42 </span><span class="subxComment"># pairs start with '('</span> +<span id="L43" class="LineNr"> 43 </span><span class="subxComment"># arrays start with '['</span> +<span id="L44" class="LineNr"> 44 </span><span class="subxComment"># symbols start with anything else but quote, backquote, unquote or splice</span> +<span id="L45" class="LineNr"> 45 </span> +<span id="L46" class="LineNr"> 46 </span><span class="subxFunction">repl</span>: <span class="subxComment"># in : (address buffered-file), out : (address buffered-file) -> <void></span> +<span id="L47" class="LineNr"> 47 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L48" class="LineNr"> 48 </span> 55/push-ebp +<span id="L49" class="LineNr"> 49 </span> 89/<- %ebp 4/r32/esp +<span id="L50" class="LineNr"> 50 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L51" class="LineNr"> 51 </span> 50/push-eax +<span id="L52" class="LineNr"> 52 </span><span class="Constant">$repl:loop</span>: +<span id="L53" class="LineNr"> 53 </span> (lisp-read <span class="SpecialChar"><a href='../061read-byte.subx.html#L14'>Stdin</a></span>) <span class="subxComment"># => eax : (address cell)</span> +<span id="L54" class="LineNr"> 54 </span> <span class="subxComment"># if (eax == 0) break</span> +<span id="L55" class="LineNr"> 55 </span> 3d/compare-eax-and 0/imm32 +<span id="L56" class="LineNr"> 56 </span> 74/jump-if-equal $repl:end/disp8 +<span id="L57" class="LineNr"> 57 </span> <span class="subxComment">#</span> +<span id="L58" class="LineNr"> 58 </span> (lisp-eval %eax) <span class="subxComment"># => eax : (address cell)</span> +<span id="L59" class="LineNr"> 59 </span> (lisp-print <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span> %eax) +<span id="L60" class="LineNr"> 60 </span> <span class="subxComment"># loop</span> +<span id="L61" class="LineNr"> 61 </span> eb/jump $repl:loop/disp8 +<span id="L62" class="LineNr"> 62 </span><span class="Constant">$repl:end</span>: +<span id="L63" class="LineNr"> 63 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L64" class="LineNr"> 64 </span> 58/pop-to-eax +<span id="L65" class="LineNr"> 65 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L66" class="LineNr"> 66 </span> 89/<- %esp 5/r32/ebp +<span id="L67" class="LineNr"> 67 </span> 5d/pop-to-ebp +<span id="L68" class="LineNr"> 68 </span> c3/return +<span id="L69" class="LineNr"> 69 </span> +<span id="L70" class="LineNr"> 70 </span><span class="subxFunction">lisp-read</span>: <span class="subxComment"># in : (address buffered-file) -> eax : (address cell)</span> +<span id="L71" class="LineNr"> 71 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L72" class="LineNr"> 72 </span> 55/push-ebp +<span id="L73" class="LineNr"> 73 </span> 89/<- %ebp 4/r32/esp +<span id="L74" class="LineNr"> 74 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># var s/ecx : (address stream) = new-stream(512)</span> +<span id="L76" class="LineNr"> 76 </span> 81 5/subop/subtract %esp 0x200/imm32 +<span id="L77" class="LineNr"> 77 </span> 68/push 0x200/imm32/size +<span id="L78" class="LineNr"> 78 </span> 68/push 0/imm32/read +<span id="L79" class="LineNr"> 79 </span> 68/push 0/imm32/write +<span id="L80" class="LineNr"> 80 </span> 89/<- %ecx 4/r32/esp +<span id="L81" class="LineNr"> 81 </span> <span class="subxComment">#</span> +<span id="L82" class="LineNr"> 82 </span> (clear-stream %ecx) +<span id="L83" class="LineNr"> 83 </span> (read-line-buffered *(ebp+8) %ecx) +<span id="L84" class="LineNr"> 84 </span> <span class="subxComment"># if (s->write == 0) return null</span> +<span id="L85" class="LineNr"> 85 </span> 81 7/subop/compare *ecx 0/imm32 +<span id="L86" class="LineNr"> 86 </span> 75/jump-if-not-equal $lisp-read:loop/disp8 +<span id="L87" class="LineNr"> 87 </span> b8/copy-to-eax 0/imm32/eof +<span id="L88" class="LineNr"> 88 </span> eb/jump $lisp-read:end/disp8 +<span id="L89" class="LineNr"> 89 </span><span class="Constant">$lisp-read:loop</span>: +<span id="L90" class="LineNr"> 90 </span> <span class="subxComment"># return s</span> +<span id="L91" class="LineNr"> 91 </span> 89/<- %eax 1/r32/ecx +<span id="L92" class="LineNr"> 92 </span><span class="Constant">$lisp-read:end</span>: +<span id="L93" class="LineNr"> 93 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L94" class="LineNr"> 94 </span> 81 0/subop/add %esp 0x20c/imm32 +<span id="L95" class="LineNr"> 95 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L96" class="LineNr"> 96 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L97" class="LineNr"> 97 </span> 89/<- %esp 5/r32/ebp +<span id="L98" class="LineNr"> 98 </span> 5d/pop-to-ebp +<span id="L99" class="LineNr"> 99 </span> c3/return +<span id="L100" class="LineNr">100 </span> +<span id="L101" class="LineNr">101 </span><span class="subxFunction">lisp-eval</span>: <span class="subxComment"># in : (address cell) -> eax : (address cell)</span> +<span id="L102" class="LineNr">102 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L103" class="LineNr">103 </span> 55/push-ebp +<span id="L104" class="LineNr">104 </span> 89/<- %ebp 4/r32/esp +<span id="L105" class="LineNr">105 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L106" class="LineNr">106 </span> 8b/-> *(ebp+8) 0/r32/eax +<span id="L107" class="LineNr">107 </span><span class="Constant">$lisp-eval:end</span>: +<span id="L108" class="LineNr">108 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L109" class="LineNr">109 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L110" class="LineNr">110 </span> 89/<- %esp 5/r32/ebp +<span id="L111" class="LineNr">111 </span> 5d/pop-to-ebp +<span id="L112" class="LineNr">112 </span> c3/return +<span id="L113" class="LineNr">113 </span> +<span id="L114" class="LineNr">114 </span><span class="subxFunction">lisp-print</span>: <span class="subxComment"># out : (address buffered-file), x : (address cell)</span> +<span id="L115" class="LineNr">115 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L116" class="LineNr">116 </span> 55/push-ebp +<span id="L117" class="LineNr">117 </span> 89/<- %ebp 4/r32/esp +<span id="L118" class="LineNr">118 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L119" class="LineNr">119 </span> <span class="subxComment"># write(x)</span> +<span id="L120" class="LineNr">120 </span> (write-buffered <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span> <span class="Constant">"=> "</span>) +<span id="L121" class="LineNr">121 </span> (write-stream-data <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span> *(ebp+0xc)) +<span id="L122" class="LineNr">122 </span> (flush <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span>) +<span id="L123" class="LineNr">123 </span><span class="Constant">$lisp-print:end</span>: +<span id="L124" class="LineNr">124 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L125" class="LineNr">125 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L126" class="LineNr">126 </span> 89/<- %esp 5/r32/ebp +<span id="L127" class="LineNr">127 </span> 5d/pop-to-ebp +<span id="L128" class="LineNr">128 </span> c3/return +<span id="L129" class="LineNr">129 </span> +<span id="L130" class="LineNr">130 </span>== data +<span id="L131" class="LineNr">131 </span> +<span id="L132" class="LineNr">132 </span><span class="SpecialChar">Nil</span>: +<span id="L133" class="LineNr">133 </span> 0/imm32/tag +<span id="L134" class="LineNr">134 </span> 0/imm32/data +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> |