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| author | Kartik Agaram <vc@akkartik.com> | 2019-10-29 22:39:47 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2019-10-29 22:39:47 -0700 |
| commit | efae9496be7fec29baeffacb5c458b3534e71584 (patch) | |
| tree | 26f4a8c13c8034c986a7f65583a19d8843f26134 /html/apps/mu.subx.html | |
| parent | 6c9450b5d14abd8471462130850c764097858c1f (diff) | |
| download | mu-efae9496be7fec29baeffacb5c458b3534e71584.tar.gz | |
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Diffstat (limited to 'html/apps/mu.subx.html')
| -rw-r--r-- | html/apps/mu.subx.html | 666 |
1 files changed, 666 insertions, 0 deletions
diff --git a/html/apps/mu.subx.html b/html/apps/mu.subx.html new file mode 100644 index 00000000..e7d6bf0a --- /dev/null +++ b/html/apps/mu.subx.html @@ -0,0 +1,666 @@ +<!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/mu.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; } +.Folded { color: #080808; background-color: #949494; } +.subxTest { color: #5f8700; } +.subxH1Comment { color: #005faf; text-decoration: underline; } +--> +</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/mu.subx'>https://github.com/akkartik/mu/blob/master/apps/mu.subx</a> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Mu's level-2 language, also called Mu.</span> +<span id="L2" class="LineNr"> 2 </span><span class="subxComment"># <a href="http://akkartik.name/post/mu-2019-2">http://akkartik.name/post/mu-2019-2</a></span> +<span id="L3" class="LineNr"> 3 </span><span class="subxComment">#</span> +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># To run:</span> +<span id="L5" class="LineNr"> 5 </span><span class="subxComment"># $ ./ntranslate init.linux 0*.subx apps/mu.subx</span> +<span id="L6" class="LineNr"> 6 </span> +<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># A sketch of planned data structures. Still highly speculative.</span> +<span id="L8" class="LineNr"> 8 </span>== data +<span id="L9" class="LineNr"> 9 </span> +<span id="L10" class="LineNr"> 10 </span><span class="subxComment"># A program is currently a linked list of functions</span> +<span id="L11" class="LineNr"> 11 </span><span class="SpecialChar">Program</span>: <span class="subxComment"># (address function)</span> +<span id="L12" class="LineNr"> 12 </span> 0/imm32 +<span id="L13" class="LineNr"> 13 </span> +<span id="L14" class="LineNr"> 14 </span><span class="subxComment"># A function consists of:</span> +<span id="L15" class="LineNr"> 15 </span><span class="subxComment"># name: (address string)</span> +<span id="L16" class="LineNr"> 16 </span><span class="subxComment"># inputs: (address var-type) # tbd</span> +<span id="L17" class="LineNr"> 17 </span><span class="subxComment"># outputs: (address var-type) # tbd</span> +<span id="L18" class="LineNr"> 18 </span><span class="subxComment"># body: (address block)</span> +<span id="L19" class="LineNr"> 19 </span><span class="subxComment"># next: (address function)</span> +<span id="L20" class="LineNr"> 20 </span><span class="SpecialChar">Function-next</span>: +<span id="L21" class="LineNr"> 21 </span> 0x10/imm32 +<span id="L22" class="LineNr"> 22 </span><span class="SpecialChar">Function-size</span>: +<span id="L23" class="LineNr"> 23 </span> 0x14/imm32/20 +<span id="L24" class="LineNr"> 24 </span> +<span id="L25" class="LineNr"> 25 </span><span class="subxComment"># A block is a list of statements:</span> +<span id="L26" class="LineNr"> 26 </span><span class="subxComment"># statements: (address statement)</span> +<span id="L27" class="LineNr"> 27 </span> +<span id="L28" class="LineNr"> 28 </span><span class="subxComment"># A statement can be either a regular statement consisting of:</span> +<span id="L29" class="LineNr"> 29 </span><span class="subxComment"># name: (address string)</span> +<span id="L30" class="LineNr"> 30 </span><span class="subxComment"># inputs: (address var)</span> +<span id="L31" class="LineNr"> 31 </span><span class="subxComment"># outputs: (address var-r)</span> +<span id="L32" class="LineNr"> 32 </span><span class="subxComment"># or a variable declaration on the stack:</span> +<span id="L33" class="LineNr"> 33 </span><span class="subxComment"># name: (address string)</span> +<span id="L34" class="LineNr"> 34 </span><span class="subxComment"># type: (address type-sexpr)</span> +<span id="L35" class="LineNr"> 35 </span><span class="subxComment"># or a regular statement writing to a single new variable in a register:</span> +<span id="L36" class="LineNr"> 36 </span><span class="subxComment"># name: (address string)</span> +<span id="L37" class="LineNr"> 37 </span><span class="subxComment"># inputs: (address var)</span> +<span id="L38" class="LineNr"> 38 </span><span class="subxComment"># output: var-r</span> +<span id="L39" class="LineNr"> 39 </span><span class="subxComment"># or a block of statements:</span> +<span id="L40" class="LineNr"> 40 </span><span class="subxComment"># statements: (address statement)</span> +<span id="L41" class="LineNr"> 41 </span> +<span id="L42" class="LineNr"> 42 </span><span class="subxComment"># Kinds of local variable declarations:</span> +<span id="L43" class="LineNr"> 43 </span><span class="subxComment"># var f : (array foo 10)</span> +<span id="L44" class="LineNr"> 44 </span><span class="subxComment"># var f/ecx : int <- copy 0</span> +<span id="L45" class="LineNr"> 45 </span><span class="subxComment"># Variables live in either the stack or a register.</span> +<span id="L46" class="LineNr"> 46 </span><span class="subxComment"># Variables in the stack are auto-initialized.</span> +<span id="L47" class="LineNr"> 47 </span><span class="subxComment"># (This is non-trivial for arrays, and arrays inside structs... We'll see.)</span> +<span id="L48" class="LineNr"> 48 </span><span class="subxComment"># Variables in register need a real instruction.</span> +<span id="L49" class="LineNr"> 49 </span> +<span id="L50" class="LineNr"> 50 </span><span class="subxComment"># var is a variable declaration. e.g. `foo: (array int 3)`</span> +<span id="L51" class="LineNr"> 51 </span><span class="subxComment"># name: (address string)</span> +<span id="L52" class="LineNr"> 52 </span><span class="subxComment"># type: (address type-sexpr)</span> +<span id="L53" class="LineNr"> 53 </span> +<span id="L54" class="LineNr"> 54 </span><span class="subxComment"># var-r is a variable declaration in a register. e.g. `foo/eax: (array int 3)`</span> +<span id="L55" class="LineNr"> 55 </span><span class="subxComment"># name: (address string)</span> +<span id="L56" class="LineNr"> 56 </span><span class="subxComment"># type: (address type-sexpr)</span> +<span id="L57" class="LineNr"> 57 </span><span class="subxComment"># reg: int [0..7]</span> +<span id="L58" class="LineNr"> 58 </span> +<span id="L59" class="LineNr"> 59 </span><span class="subxComment"># type-sexpr is a tree of type identifiers. e.g. (array (address int) 3)</span> +<span id="L60" class="LineNr"> 60 </span><span class="subxComment"># either</span> +<span id="L61" class="LineNr"> 61 </span><span class="subxComment"># id: type-identifier</span> +<span id="L62" class="LineNr"> 62 </span><span class="subxComment"># or</span> +<span id="L63" class="LineNr"> 63 </span><span class="subxComment"># car: (address type-sexpr)</span> +<span id="L64" class="LineNr"> 64 </span><span class="subxComment"># cdr: (address type-sexpr)</span> +<span id="L65" class="LineNr"> 65 </span> +<span id="L66" class="LineNr"> 66 </span><span class="subxComment"># Still todo:</span> +<span id="L67" class="LineNr"> 67 </span><span class="subxComment"># heap allocations (planned name: 'handle')</span> +<span id="L68" class="LineNr"> 68 </span><span class="subxComment"># user-defined types: 'type' for structs, 'choice' for unions</span> +<span id="L69" class="LineNr"> 69 </span><span class="subxComment"># short-lived 'address' type for efficiently writing inside nested structs</span> +<span id="L70" class="LineNr"> 70 </span> +<span id="L71" class="LineNr"> 71 </span>== code +<span id="L72" class="LineNr"> 72 </span> +<span id="L73" class="LineNr"> 73 </span><span class="SpecialChar">Entry</span>: +<span id="L74" class="LineNr"> 74 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L75" class="LineNr"> 75 </span> 89/<- %ebp 4/r32/esp +<span id="L76" class="LineNr"> 76 </span> (<a href='../053new-segment.subx.html#L41'>new-segment</a> <span class="SpecialChar"><a href='../069allocate.subx.html#L29'>Heap-size</a></span> <span class="SpecialChar"><a href='../069allocate.subx.html#L22'>Heap</a></span>) +<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># if (argv[1] == "test') run-tests()</span> +<span id="L78" class="LineNr"> 78 </span> { +<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># if (argc <= 1) break</span> +<span id="L80" class="LineNr"> 80 </span> 81 7/subop/compare *ebp 1/imm32 +<span id="L81" class="LineNr"> 81 </span> 7e/jump-if-lesser-or-equal <span class="Constant">break</span>/disp8 +<span id="L82" class="LineNr"> 82 </span> <span class="subxComment"># if (argv[1] != "test")) break</span> +<span id="L83" class="LineNr"> 83 </span> (<a href='../052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a> *(ebp+8) <span class="Constant">"test"</span>) <span class="subxComment"># => eax</span> +<span id="L84" class="LineNr"> 84 </span> 3d/compare-eax-and 0/imm32 +<span id="L85" class="LineNr"> 85 </span> 74/jump-if-equal <span class="Constant">break</span>/disp8 +<span id="L86" class="LineNr"> 86 </span> <span class="subxComment">#</span> +<span id="L87" class="LineNr"> 87 </span> (run-tests) +<span id="L88" class="LineNr"> 88 </span> <span class="subxComment"># syscall(exit, *Num-test-failures)</span> +<span id="L89" class="LineNr"> 89 </span> 8b/-> *<span class="SpecialChar"><a href='../051test.subx.html#L90'>Num-test-failures</a></span> 3/r32/ebx +<span id="L90" class="LineNr"> 90 </span> eb/jump $mu-main:end/disp8 +<span id="L91" class="LineNr"> 91 </span> } +<span id="L92" class="LineNr"> 92 </span> <span class="subxComment"># otherwise convert Stdin</span> +<span id="L93" class="LineNr"> 93 </span> (<a href='mu.subx.html#L101'>convert-mu</a> <span class="SpecialChar"><a href='../061read-byte.subx.html#L14'>Stdin</a></span> <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span>) +<span id="L94" class="LineNr"> 94 </span> (<a href='../064write-byte.subx.html#L81'>flush</a> <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span>) +<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># syscall(exit, 0)</span> +<span id="L96" class="LineNr"> 96 </span> bb/copy-to-ebx 0/imm32 +<span id="L97" class="LineNr"> 97 </span><span class="Constant">$mu-main:end</span>: +<span id="L98" class="LineNr"> 98 </span> b8/copy-to-eax 1/imm32/exit +<span id="L99" class="LineNr"> 99 </span> cd/syscall 0x80/imm8 +<span id="L100" class="LineNr">100 </span> +<span id="L101" class="LineNr">101 </span><span class="subxFunction">convert-mu</span>: <span class="subxComment"># in : (address buffered-file), out : (address buffered-file)</span> +<span id="L102" class="LineNr">102 </span> <span class="subxS1Comment"># . prologue</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="subxComment">#</span> +<span id="L106" class="LineNr">106 </span> (<a href='mu.subx.html#L249'>parse-mu</a> *(ebp+8)) +<span id="L107" class="LineNr">107 </span> (check-mu-types) +<span id="L108" class="LineNr">108 </span> (<a href='mu.subx.html#L558'>emit-subx</a> *(ebp+0xc)) +<span id="L109" class="LineNr">109 </span><span class="Constant">$convert-mu:end</span>: +<span id="L110" class="LineNr">110 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L111" class="LineNr">111 </span> 89/<- %esp 5/r32/ebp +<span id="L112" class="LineNr">112 </span> 5d/pop-to-ebp +<span id="L113" class="LineNr">113 </span> c3/return +<span id="L114" class="LineNr">114 </span> +<span id="L115" class="LineNr">115 </span><span class="subxTest">test-convert-empty-input</span>: +<span id="L116" class="LineNr">116 </span> <span class="subxComment"># empty input => empty output</span> +<span id="L117" class="LineNr">117 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L118" class="LineNr">118 </span> 55/push-ebp +<span id="L119" class="LineNr">119 </span> 89/<- %ebp 4/r32/esp +<span id="L120" class="LineNr">120 </span> <span class="subxComment"># setup</span> +<span id="L121" class="LineNr">121 </span> (<a href='../055stream.subx.html#L17'>clear-stream</a> _test-input-stream) +<span id="L122" class="LineNr">122 </span> (<a href='../055stream.subx.html#L17'>clear-stream</a> _test-input-buffered-file->buffer) +<span id="L123" class="LineNr">123 </span> (<a href='../055stream.subx.html#L17'>clear-stream</a> _test-output-stream) +<span id="L124" class="LineNr">124 </span> (<a href='../055stream.subx.html#L17'>clear-stream</a> _test-output-buffered-file->buffer) +<span id="L125" class="LineNr">125 </span> <span class="subxComment">#</span> +<span id="L126" class="LineNr">126 </span> (<a href='mu.subx.html#L101'>convert-mu</a> <a href='../061read-byte.subx.html#L314'>_test-input-buffered-file</a> _test-output-buffered-file) +<span id="L127" class="LineNr">127 </span> (<a href='../064write-byte.subx.html#L81'>flush</a> _test-output-buffered-file) +<span id="L128" class="LineNr">128 </span> (<a href='../058stream-equal.subx.html#L193'>check-stream-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">""</span> <span class="Constant">"F - test-convert-empty-input"</span>) +<span id="L129" class="LineNr">129 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L130" class="LineNr">130 </span> 89/<- %esp 5/r32/ebp +<span id="L131" class="LineNr">131 </span> 5d/pop-to-ebp +<span id="L132" class="LineNr">132 </span> c3/return +<span id="L133" class="LineNr">133 </span> +<span id="L134" class="LineNr">134 </span><span class="subxTest">test-convert-function-skeleton</span>: +<span id="L135" class="LineNr">135 </span> <span class="subxComment"># empty function decl => function prologue and epilogue</span> +<span id="L136" class="LineNr">136 </span> <span class="subxComment"># fn foo {</span> +<span id="L137" class="LineNr">137 </span> <span class="subxComment"># }</span> +<span id="L138" class="LineNr">138 </span> <span class="subxComment"># =></span> +<span id="L139" class="LineNr">139 </span> <span class="subxComment"># foo:</span> +<span id="L140" class="LineNr">140 </span> <span class="subxComment"># # . prologue</span> +<span id="L141" class="LineNr">141 </span> <span class="subxComment"># 55/push-ebp</span> +<span id="L142" class="LineNr">142 </span> <span class="subxComment"># 89/<- %ebp 4/r32/esp</span> +<span id="L143" class="LineNr">143 </span> <span class="subxComment"># # . epilogue</span> +<span id="L144" class="LineNr">144 </span> <span class="subxComment"># 89/<- %esp 5/r32/ebp</span> +<span id="L145" class="LineNr">145 </span> <span class="subxComment"># 5d/pop-to-ebp</span> +<span id="L146" class="LineNr">146 </span> <span class="subxComment"># c3/return</span> +<span id="L147" class="LineNr">147 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L148" class="LineNr">148 </span> 55/push-ebp +<span id="L149" class="LineNr">149 </span> 89/<- %ebp 4/r32/esp +<span id="L150" class="LineNr">150 </span> <span class="subxComment"># setup</span> +<span id="L151" class="LineNr">151 </span> (<a href='../055stream.subx.html#L17'>clear-stream</a> _test-input-stream) +<span id="L152" class="LineNr">152 </span> (<a href='../055stream.subx.html#L17'>clear-stream</a> _test-input-buffered-file->buffer) +<span id="L153" class="LineNr">153 </span> (<a href='../055stream.subx.html#L17'>clear-stream</a> _test-output-stream) +<span id="L154" class="LineNr">154 </span> (<a href='../055stream.subx.html#L17'>clear-stream</a> _test-output-buffered-file->buffer) +<span id="L155" class="LineNr">155 </span> <span class="subxComment">#</span> +<span id="L156" class="LineNr">156 </span> (<a href='../057write.subx.html#L24'>write</a> <a href='../061read-byte.subx.html#L288'>_test-input-stream</a> <span class="Constant">"fn foo {\n"</span>) +<span id="L157" class="LineNr">157 </span> (<a href='../057write.subx.html#L24'>write</a> <a href='../061read-byte.subx.html#L288'>_test-input-stream</a> <span class="Constant">"}\n"</span>) +<span id="L158" class="LineNr">158 </span> <span class="subxComment"># convert</span> +<span id="L159" class="LineNr">159 </span> (<a href='mu.subx.html#L101'>convert-mu</a> <a href='../061read-byte.subx.html#L314'>_test-input-buffered-file</a> _test-output-buffered-file) +<span id="L160" class="LineNr">160 </span> (<a href='../064write-byte.subx.html#L81'>flush</a> _test-output-buffered-file) +<span id="L161" class="Folded">161 </span><span class="Folded">+-- 6 lines: #? # dump _test-output-stream --------------------------------------------------------------------------------------------------------------</span> +<span id="L167" class="LineNr">167 </span> <span class="subxComment"># check output</span> +<span id="L168" class="LineNr">168 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"foo:"</span> <span class="Constant">"F - <a href='mu.subx.html#L134'>test-convert-function-skeleton</a>/0"</span>) +<span id="L169" class="LineNr">169 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"# . prologue"</span> <span class="Constant">"F - <a href='mu.subx.html#L134'>test-convert-function-skeleton</a>/1"</span>) +<span id="L170" class="LineNr">170 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"55/push-ebp"</span> <span class="Constant">"F - <a href='mu.subx.html#L134'>test-convert-function-skeleton</a>/2"</span>) +<span id="L171" class="LineNr">171 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"89/<- %ebp 4/r32/esp"</span> <span class="Constant">"F - <a href='mu.subx.html#L134'>test-convert-function-skeleton</a>/3"</span>) +<span id="L172" class="LineNr">172 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"# . epilogue"</span> <span class="Constant">"F - <a href='mu.subx.html#L134'>test-convert-function-skeleton</a>/4"</span>) +<span id="L173" class="LineNr">173 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"89/<- %esp 5/r32/ebp"</span> <span class="Constant">"F - <a href='mu.subx.html#L134'>test-convert-function-skeleton</a>/5"</span>) +<span id="L174" class="LineNr">174 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"5d/pop-to-ebp"</span> <span class="Constant">"F - <a href='mu.subx.html#L134'>test-convert-function-skeleton</a>/6"</span>) +<span id="L175" class="LineNr">175 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"c3/return"</span> <span class="Constant">"F - <a href='mu.subx.html#L134'>test-convert-function-skeleton</a>/7"</span>) +<span id="L176" class="LineNr">176 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L177" class="LineNr">177 </span> 89/<- %esp 5/r32/ebp +<span id="L178" class="LineNr">178 </span> 5d/pop-to-ebp +<span id="L179" class="LineNr">179 </span> c3/return +<span id="L180" class="LineNr">180 </span> +<span id="L181" class="LineNr">181 </span><span class="subxTest">test-convert-multiple-function-skeletons</span>: +<span id="L182" class="LineNr">182 </span> <span class="subxComment"># multiple functions correctly organized into a linked list</span> +<span id="L183" class="LineNr">183 </span> <span class="subxComment"># fn foo {</span> +<span id="L184" class="LineNr">184 </span> <span class="subxComment"># }</span> +<span id="L185" class="LineNr">185 </span> <span class="subxComment"># fn bar {</span> +<span id="L186" class="LineNr">186 </span> <span class="subxComment"># }</span> +<span id="L187" class="LineNr">187 </span> <span class="subxComment"># =></span> +<span id="L188" class="LineNr">188 </span> <span class="subxComment"># foo:</span> +<span id="L189" class="LineNr">189 </span> <span class="subxComment"># # . prologue</span> +<span id="L190" class="LineNr">190 </span> <span class="subxComment"># 55/push-ebp</span> +<span id="L191" class="LineNr">191 </span> <span class="subxComment"># 89/<- %ebp 4/r32/esp</span> +<span id="L192" class="LineNr">192 </span> <span class="subxComment"># # . epilogue</span> +<span id="L193" class="LineNr">193 </span> <span class="subxComment"># 89/<- %esp 5/r32/ebp</span> +<span id="L194" class="LineNr">194 </span> <span class="subxComment"># 5d/pop-to-ebp</span> +<span id="L195" class="LineNr">195 </span> <span class="subxComment"># c3/return</span> +<span id="L196" class="LineNr">196 </span> <span class="subxComment"># bar:</span> +<span id="L197" class="LineNr">197 </span> <span class="subxComment"># # . prologue</span> +<span id="L198" class="LineNr">198 </span> <span class="subxComment"># 55/push-ebp</span> +<span id="L199" class="LineNr">199 </span> <span class="subxComment"># 89/<- %ebp 4/r32/esp</span> +<span id="L200" class="LineNr">200 </span> <span class="subxComment"># # . epilogue</span> +<span id="L201" class="LineNr">201 </span> <span class="subxComment"># 89/<- %esp 5/r32/ebp</span> +<span id="L202" class="LineNr">202 </span> <span class="subxComment"># 5d/pop-to-ebp</span> +<span id="L203" class="LineNr">203 </span> <span class="subxComment"># c3/return</span> +<span id="L204" class="LineNr">204 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L205" class="LineNr">205 </span> 55/push-ebp +<span id="L206" class="LineNr">206 </span> 89/<- %ebp 4/r32/esp +<span id="L207" class="LineNr">207 </span> <span class="subxComment"># setup</span> +<span id="L208" class="LineNr">208 </span> (<a href='../055stream.subx.html#L17'>clear-stream</a> _test-input-stream) +<span id="L209" class="LineNr">209 </span> (<a href='../055stream.subx.html#L17'>clear-stream</a> _test-input-buffered-file->buffer) +<span id="L210" class="LineNr">210 </span> (<a href='../055stream.subx.html#L17'>clear-stream</a> _test-output-stream) +<span id="L211" class="LineNr">211 </span> (<a href='../055stream.subx.html#L17'>clear-stream</a> _test-output-buffered-file->buffer) +<span id="L212" class="LineNr">212 </span> <span class="subxComment">#</span> +<span id="L213" class="LineNr">213 </span> (<a href='../057write.subx.html#L24'>write</a> <a href='../061read-byte.subx.html#L288'>_test-input-stream</a> <span class="Constant">"fn foo {\n"</span>) +<span id="L214" class="LineNr">214 </span> (<a href='../057write.subx.html#L24'>write</a> <a href='../061read-byte.subx.html#L288'>_test-input-stream</a> <span class="Constant">"}\n"</span>) +<span id="L215" class="LineNr">215 </span> (<a href='../057write.subx.html#L24'>write</a> <a href='../061read-byte.subx.html#L288'>_test-input-stream</a> <span class="Constant">"fn bar {\n"</span>) +<span id="L216" class="LineNr">216 </span> (<a href='../057write.subx.html#L24'>write</a> <a href='../061read-byte.subx.html#L288'>_test-input-stream</a> <span class="Constant">"}\n"</span>) +<span id="L217" class="LineNr">217 </span> <span class="subxComment"># convert</span> +<span id="L218" class="LineNr">218 </span> (<a href='mu.subx.html#L101'>convert-mu</a> <a href='../061read-byte.subx.html#L314'>_test-input-buffered-file</a> _test-output-buffered-file) +<span id="L219" class="LineNr">219 </span> (<a href='../064write-byte.subx.html#L81'>flush</a> _test-output-buffered-file) +<span id="L220" class="Folded">220 </span><span class="Folded">+-- 6 lines: #? # dump _test-output-stream --------------------------------------------------------------------------------------------------------------</span> +<span id="L226" class="LineNr">226 </span> <span class="subxComment"># check first function</span> +<span id="L227" class="LineNr">227 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"foo:"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/0"</span>) +<span id="L228" class="LineNr">228 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"# . prologue"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/1"</span>) +<span id="L229" class="LineNr">229 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"55/push-ebp"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/2"</span>) +<span id="L230" class="LineNr">230 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"89/<- %ebp 4/r32/esp"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/3"</span>) +<span id="L231" class="LineNr">231 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"# . epilogue"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/4"</span>) +<span id="L232" class="LineNr">232 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"89/<- %esp 5/r32/ebp"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/5"</span>) +<span id="L233" class="LineNr">233 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"5d/pop-to-ebp"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/6"</span>) +<span id="L234" class="LineNr">234 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"c3/return"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/7"</span>) +<span id="L235" class="LineNr">235 </span> <span class="subxComment"># check second function</span> +<span id="L236" class="LineNr">236 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"bar:"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/10"</span>) +<span id="L237" class="LineNr">237 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"# . prologue"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/11"</span>) +<span id="L238" class="LineNr">238 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"55/push-ebp"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/12"</span>) +<span id="L239" class="LineNr">239 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"89/<- %ebp 4/r32/esp"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/13"</span>) +<span id="L240" class="LineNr">240 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"# . epilogue"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/14"</span>) +<span id="L241" class="LineNr">241 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"89/<- %esp 5/r32/ebp"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/15"</span>) +<span id="L242" class="LineNr">242 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"5d/pop-to-ebp"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/16"</span>) +<span id="L243" class="LineNr">243 </span> (<a href='../058stream-equal.subx.html#L563'>check-next-stream-line-equal</a> <a href='../064write-byte.subx.html#L286'>_test-output-stream</a> <span class="Constant">"c3/return"</span> <span class="Constant">"F - <a href='mu.subx.html#L181'>test-convert-multiple-function-skeletons</a>/17"</span>) +<span id="L244" class="LineNr">244 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L245" class="LineNr">245 </span> 89/<- %esp 5/r32/ebp +<span id="L246" class="LineNr">246 </span> 5d/pop-to-ebp +<span id="L247" class="LineNr">247 </span> c3/return +<span id="L248" class="LineNr">248 </span> +<span id="L249" class="LineNr">249 </span><span class="subxFunction">parse-mu</span>: <span class="subxComment"># in : (address buffered-file)</span> +<span id="L250" class="LineNr">250 </span> <span class="subxComment"># pseudocode</span> +<span id="L251" class="LineNr">251 </span> <span class="subxComment"># var curr-function = Program</span> +<span id="L252" class="LineNr">252 </span> <span class="subxComment"># var line : (stream byte 512)</span> +<span id="L253" class="LineNr">253 </span> <span class="subxComment"># var word-slice : slice</span> +<span id="L254" class="LineNr">254 </span> <span class="subxComment"># while true # line loop</span> +<span id="L255" class="LineNr">255 </span> <span class="subxComment"># clear-stream(line)</span> +<span id="L256" class="LineNr">256 </span> <span class="subxComment"># read-line-buffered(in, line)</span> +<span id="L257" class="LineNr">257 </span> <span class="subxComment"># if (line->write == 0) break # end of file</span> +<span id="L258" class="LineNr">258 </span> <span class="subxComment"># while true # word loop</span> +<span id="L259" class="LineNr">259 </span> <span class="subxComment"># word-slice = next-word-or-string(line)</span> +<span id="L260" class="LineNr">260 </span> <span class="subxComment"># if slice-empty?(word-slice) # end of line</span> +<span id="L261" class="LineNr">261 </span> <span class="subxComment"># break</span> +<span id="L262" class="LineNr">262 </span> <span class="subxComment"># else if slice-starts-with?(word-slice, "#") # comment</span> +<span id="L263" class="LineNr">263 </span> <span class="subxComment"># break # end of line</span> +<span id="L264" class="LineNr">264 </span> <span class="subxComment"># else if slice-equal(word-slice, "fn")</span> +<span id="L265" class="LineNr">265 </span> <span class="subxComment"># var curr-function/ecx : (address function)</span> +<span id="L266" class="LineNr">266 </span> <span class="subxComment"># else</span> +<span id="L267" class="LineNr">267 </span> <span class="subxComment"># abort()</span> +<span id="L268" class="LineNr">268 </span> <span class="subxComment">#</span> +<span id="L269" class="LineNr">269 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L270" class="LineNr">270 </span> 55/push-ebp +<span id="L271" class="LineNr">271 </span> 89/<- %ebp 4/r32/esp +<span id="L272" class="LineNr">272 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L273" class="LineNr">273 </span> 50/push-eax +<span id="L274" class="LineNr">274 </span> 51/push-ecx +<span id="L275" class="LineNr">275 </span> 52/push-edx +<span id="L276" class="LineNr">276 </span> 57/push-edi +<span id="L277" class="LineNr">277 </span> <span class="subxComment"># var line/ecx : (stream byte 512)</span> +<span id="L278" class="LineNr">278 </span> 81 5/subop/subtract %esp 0x200/imm32 +<span id="L279" class="LineNr">279 </span> 68/push 0x200/imm32/length +<span id="L280" class="LineNr">280 </span> 68/push 0/imm32/read +<span id="L281" class="LineNr">281 </span> 68/push 0/imm32/write +<span id="L282" class="LineNr">282 </span> 89/<- %ecx 4/r32/esp +<span id="L283" class="LineNr">283 </span> <span class="subxComment"># var word-slice/edx : slice</span> +<span id="L284" class="LineNr">284 </span> 68/push 0/imm32/end +<span id="L285" class="LineNr">285 </span> 68/push 0/imm32/start +<span id="L286" class="LineNr">286 </span> 89/<- %edx 4/r32/esp +<span id="L287" class="LineNr">287 </span> <span class="subxComment"># var curr-function/edi : (address function) = Program</span> +<span id="L288" class="LineNr">288 </span> bf/copy-to-edi <span class="SpecialChar"><a href='mu.subx.html#L11'>Program</a></span>/imm32 +<span id="L289" class="LineNr">289 </span> { +<span id="L290" class="LineNr">290 </span><span class="Constant">$parse-mu:line-loop</span>: +<span id="L291" class="LineNr">291 </span> (<a href='../055stream.subx.html#L17'>clear-stream</a> %ecx) +<span id="L292" class="LineNr">292 </span> (<a href='../071read-line.subx.html#L9'>read-line-buffered</a> *(ebp+8) %ecx) +<span id="L293" class="LineNr">293 </span> <span class="subxComment"># if (line->write == 0) break</span> +<span id="L294" class="LineNr">294 </span> 81 7/subop/compare *ecx 0/imm32 +<span id="L295" class="LineNr">295 </span> 0f 84/jump-if-equal <span class="Constant">break</span>/disp32 +<span id="L296" class="Folded">296 </span><span class="Folded">+-- 6 lines: #? # dump line ---------------------------------------------------------------------------------------------------------------------------</span> +<span id="L302" class="LineNr">302 </span> { <span class="subxComment"># word loop</span> +<span id="L303" class="LineNr">303 </span><span class="Constant">$parse-mu:word-loop</span>: +<span id="L304" class="LineNr">304 </span> (<a href='../094next-word-or-string.subx.html#L8'>next-word-or-string</a> %ecx %edx) +<span id="L305" class="LineNr">305 </span> <span class="subxComment"># if (slice-empty?(word-slice)) break</span> +<span id="L306" class="LineNr">306 </span> (<a href='../072slice.subx.html#L9'>slice-empty?</a> %edx) +<span id="L307" class="LineNr">307 </span> 3d/compare-eax-and 0/imm32 +<span id="L308" class="LineNr">308 </span> 0f 85/jump-if-not-equal <span class="Constant">break</span>/disp32 +<span id="L309" class="LineNr">309 </span> <span class="subxComment"># if (*word-slice->start == "#") break</span> +<span id="L310" class="LineNr">310 </span> <span class="subxS1Comment"># . eax = *word-slice->start</span> +<span id="L311" class="LineNr">311 </span> 8b/-> *edx 0/r32/eax +<span id="L312" class="LineNr">312 </span> 8a/copy-byte *eax 0/r32/AL +<span id="L313" class="LineNr">313 </span> 81 4/subop/and %eax 0xff/imm32 +<span id="L314" class="LineNr">314 </span> <span class="subxS1Comment"># . if (eax == '#') break</span> +<span id="L315" class="LineNr">315 </span> 3d/compare-eax-and 0x23/imm32/hash +<span id="L316" class="LineNr">316 </span> 0f 84/jump-if-equal <span class="Constant">break</span>/disp32 +<span id="L317" class="LineNr">317 </span> <span class="subxComment"># if slice-equal?(word-slice, "fn")</span> +<span id="L318" class="LineNr">318 </span> { +<span id="L319" class="LineNr">319 </span> (<a href='../072slice.subx.html#L91'>slice-equal?</a> %edx <span class="Constant">"fn"</span>) +<span id="L320" class="LineNr">320 </span> 3d/compare-eax-and 0/imm32 +<span id="L321" class="LineNr">321 </span> 0f 84/jump-if-equal <span class="Constant">break</span>/disp32 +<span id="L322" class="LineNr">322 </span> <span class="subxComment"># var new-function/eax : (address function) = populate-mu-function()</span> +<span id="L323" class="LineNr">323 </span> (<a href='../069allocate.subx.html#L61'>allocate</a> <span class="SpecialChar"><a href='../069allocate.subx.html#L22'>Heap</a></span> *<span class="SpecialChar"><a href='mu.subx.html#L22'>Function-size</a></span>) <span class="subxComment"># => eax</span> +<span id="L324" class="LineNr">324 </span> (<a href='mu.subx.html#L367'>populate-mu-function-header</a> %ecx %eax) +<span id="L325" class="LineNr">325 </span> (<a href='mu.subx.html#L436'>populate-mu-function-body</a> *(ebp+8) %eax) +<span id="L326" class="LineNr">326 </span> <span class="subxComment"># *curr-function = new-function</span> +<span id="L327" class="LineNr">327 </span> 89/<- *edi 0/r32/eax +<span id="L328" class="LineNr">328 </span> <span class="subxComment"># curr-function = &new-function->next</span> +<span id="L329" class="LineNr">329 </span> 8d/address-> *(eax+0x10) 7/r32/edi +<span id="L330" class="LineNr">330 </span> e9/jump $parse-mu:word-loop/disp32 +<span id="L331" class="LineNr">331 </span> } +<span id="L332" class="LineNr">332 </span> <span class="subxComment"># otherwise abort</span> +<span id="L333" class="LineNr">333 </span> e9/jump $parse-mu:abort/disp32 +<span id="L334" class="LineNr">334 </span> } <span class="subxComment"># end word loop</span> +<span id="L335" class="LineNr">335 </span> e9/jump <span class="Constant">loop</span>/disp32 +<span id="L336" class="LineNr">336 </span> } <span class="subxComment"># end line loop</span> +<span id="L337" class="LineNr">337 </span><span class="Constant">$parse-mu:end</span>: +<span id="L338" class="LineNr">338 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L339" class="LineNr">339 </span> 81 0/subop/add %esp 0x214/imm32 +<span id="L340" class="LineNr">340 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L341" class="LineNr">341 </span> 5f/pop-to-edi +<span id="L342" class="LineNr">342 </span> 5a/pop-to-edx +<span id="L343" class="LineNr">343 </span> 59/pop-to-ecx +<span id="L344" class="LineNr">344 </span> 58/pop-to-eax +<span id="L345" class="LineNr">345 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L346" class="LineNr">346 </span> 89/<- %esp 5/r32/ebp +<span id="L347" class="LineNr">347 </span> 5d/pop-to-ebp +<span id="L348" class="LineNr">348 </span> c3/return +<span id="L349" class="LineNr">349 </span> +<span id="L350" class="LineNr">350 </span><span class="Constant">$parse-mu:abort</span>: +<span id="L351" class="LineNr">351 </span> <span class="subxComment"># error("unexpected top-level command: " word-slice "\n")</span> +<span id="L352" class="LineNr">352 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> <span class="SpecialChar"><a href='../065write-buffered.subx.html#L209'>Stderr</a></span> <span class="Constant">"unexpected top-level command: "</span>) +<span id="L353" class="LineNr">353 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> <span class="SpecialChar"><a href='../065write-buffered.subx.html#L209'>Stderr</a></span> %edx) +<span id="L354" class="LineNr">354 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> <span class="SpecialChar"><a href='../065write-buffered.subx.html#L209'>Stderr</a></span> <span class="Constant">"\n"</span>) +<span id="L355" class="LineNr">355 </span> (<a href='../064write-byte.subx.html#L81'>flush</a> <span class="SpecialChar"><a href='../065write-buffered.subx.html#L209'>Stderr</a></span>) +<span id="L356" class="LineNr">356 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span> +<span id="L357" class="LineNr">357 </span> bb/copy-to-ebx 1/imm32 +<span id="L358" class="LineNr">358 </span> b8/copy-to-eax 1/imm32/exit +<span id="L359" class="LineNr">359 </span> cd/syscall 0x80/imm8 +<span id="L360" class="LineNr">360 </span> <span class="subxComment"># never gets here</span> +<span id="L361" class="LineNr">361 </span> +<span id="L362" class="LineNr">362 </span><span class="subxComment"># errors considered:</span> +<span id="L363" class="LineNr">363 </span><span class="subxComment"># fn foo { {</span> +<span id="L364" class="LineNr">364 </span><span class="subxComment"># fn foo { }</span> +<span id="L365" class="LineNr">365 </span><span class="subxComment"># fn foo { } {</span> +<span id="L366" class="LineNr">366 </span><span class="subxComment"># fn foo # no block</span> +<span id="L367" class="LineNr">367 </span><span class="subxFunction">populate-mu-function-header</span>: <span class="subxComment"># first-line : (address stream byte), out : (address function)</span> +<span id="L368" class="LineNr">368 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L369" class="LineNr">369 </span> 55/push-ebp +<span id="L370" class="LineNr">370 </span> 89/<- %ebp 4/r32/esp +<span id="L371" class="LineNr">371 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L372" class="LineNr">372 </span> 50/push-eax +<span id="L373" class="LineNr">373 </span> 51/push-ecx +<span id="L374" class="LineNr">374 </span> 57/push-edi +<span id="L375" class="LineNr">375 </span> <span class="subxComment"># edi = out</span> +<span id="L376" class="LineNr">376 </span> 8b/-> *(ebp+0xc) 7/r32/edi +<span id="L377" class="LineNr">377 </span> <span class="subxComment"># var word-slice/ecx : slice</span> +<span id="L378" class="LineNr">378 </span> 68/push 0/imm32/end +<span id="L379" class="LineNr">379 </span> 68/push 0/imm32/start +<span id="L380" class="LineNr">380 </span> 89/<- %ecx 4/r32/esp +<span id="L381" class="LineNr">381 </span> <span class="subxComment"># save function name</span> +<span id="L382" class="LineNr">382 </span> (<a href='../076next-word.subx.html#L10'>next-word</a> *(ebp+8) %ecx) +<span id="L383" class="LineNr">383 </span> (<a href='../072slice.subx.html#L1013'>slice-to-string</a> <span class="SpecialChar"><a href='../069allocate.subx.html#L22'>Heap</a></span> %ecx) <span class="subxComment"># => eax</span> +<span id="L384" class="LineNr">384 </span> 89/<- *edi 0/r32/eax +<span id="L385" class="LineNr">385 </span> <span class="subxComment"># assert that next token is '{'</span> +<span id="L386" class="LineNr">386 </span> (<a href='../076next-word.subx.html#L10'>next-word</a> *(ebp+8) %ecx) +<span id="L387" class="LineNr">387 </span> (<a href='../072slice.subx.html#L91'>slice-equal?</a> %ecx <span class="Constant">"{"</span>) +<span id="L388" class="LineNr">388 </span> 3d/compare-eax-and 0/imm32 +<span id="L389" class="LineNr">389 </span> 74/jump-if-equal $populate-mu-function-header:abort/disp8 +<span id="L390" class="LineNr">390 </span> <span class="subxComment"># assert that there's no further token</span> +<span id="L391" class="LineNr">391 </span> { +<span id="L392" class="LineNr">392 </span> <span class="subxComment"># word-slice = next-word(line)</span> +<span id="L393" class="LineNr">393 </span> (<a href='../076next-word.subx.html#L10'>next-word</a> *(ebp+8) %ecx) +<span id="L394" class="LineNr">394 </span> <span class="subxComment"># if (word-slice == '') break</span> +<span id="L395" class="LineNr">395 </span> (<a href='../072slice.subx.html#L9'>slice-empty?</a> %ecx) +<span id="L396" class="LineNr">396 </span> 3d/compare-eax-and 0/imm32 +<span id="L397" class="LineNr">397 </span> 75/jump-if-not-equal <span class="Constant">break</span>/disp8 +<span id="L398" class="LineNr">398 </span> <span class="subxComment"># if (slice-starts-with?(word-slice, "#")) break</span> +<span id="L399" class="LineNr">399 </span> <span class="subxS1Comment"># . eax = *word-slice->start</span> +<span id="L400" class="LineNr">400 </span> 8b/-> *edx 0/r32/eax +<span id="L401" class="LineNr">401 </span> 8a/copy-byte *eax 0/r32/AL +<span id="L402" class="LineNr">402 </span> 81 4/subop/and %eax 0xff/imm32 +<span id="L403" class="LineNr">403 </span> <span class="subxS1Comment"># . if (eax == '#') break</span> +<span id="L404" class="LineNr">404 </span> 3d/compare-eax-and 0x23/imm32/hash +<span id="L405" class="LineNr">405 </span> 74/jump-if-equal <span class="Constant">break</span>/disp8 +<span id="L406" class="LineNr">406 </span> <span class="subxComment"># otherwise abort</span> +<span id="L407" class="LineNr">407 </span> eb/jump $populate-mu-function-header:abort/disp8 +<span id="L408" class="LineNr">408 </span> } +<span id="L409" class="LineNr">409 </span><span class="Constant">$populate-mu-function-header:end</span>: +<span id="L410" class="LineNr">410 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L411" class="LineNr">411 </span> 81 0/subop/add %esp 8/imm32 +<span id="L412" class="LineNr">412 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L413" class="LineNr">413 </span> 5f/pop-to-edi +<span id="L414" class="LineNr">414 </span> 59/pop-to-ecx +<span id="L415" class="LineNr">415 </span> 58/pop-to-eax +<span id="L416" class="LineNr">416 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L417" class="LineNr">417 </span> 89/<- %esp 5/r32/ebp +<span id="L418" class="LineNr">418 </span> 5d/pop-to-ebp +<span id="L419" class="LineNr">419 </span> c3/return +<span id="L420" class="LineNr">420 </span> +<span id="L421" class="LineNr">421 </span><span class="Constant">$populate-mu-function-header:abort</span>: +<span id="L422" class="LineNr">422 </span> <span class="subxComment"># error("function header not in form 'fn <name> {'")</span> +<span id="L423" class="LineNr">423 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> <span class="SpecialChar"><a href='../065write-buffered.subx.html#L209'>Stderr</a></span> <span class="Constant">"function header not in form 'fn <name> {' -- '"</span>) +<span id="L424" class="LineNr">424 </span> (<a href='../055stream.subx.html#L54'>rewind-stream</a> *(ebp+8)) +<span id="L425" class="LineNr">425 </span> (<a href='../062write-stream.subx.html#L18'>write-stream</a> 2 *(ebp+8)) +<span id="L426" class="LineNr">426 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> <span class="SpecialChar"><a href='../065write-buffered.subx.html#L209'>Stderr</a></span> <span class="Constant">"'\n"</span>) +<span id="L427" class="LineNr">427 </span> (<a href='../064write-byte.subx.html#L81'>flush</a> <span class="SpecialChar"><a href='../065write-buffered.subx.html#L209'>Stderr</a></span>) +<span id="L428" class="LineNr">428 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span> +<span id="L429" class="LineNr">429 </span> bb/copy-to-ebx 1/imm32 +<span id="L430" class="LineNr">430 </span> b8/copy-to-eax 1/imm32/exit +<span id="L431" class="LineNr">431 </span> cd/syscall 0x80/imm8 +<span id="L432" class="LineNr">432 </span> <span class="subxComment"># never gets here</span> +<span id="L433" class="LineNr">433 </span> +<span id="L434" class="LineNr">434 </span><span class="subxComment"># errors considered:</span> +<span id="L435" class="LineNr">435 </span><span class="subxComment"># { abc</span> +<span id="L436" class="LineNr">436 </span><span class="subxFunction">populate-mu-function-body</span>: <span class="subxComment"># in : (address buffered-file), out : (address function)</span> +<span id="L437" class="LineNr">437 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L438" class="LineNr">438 </span> 55/push-ebp +<span id="L439" class="LineNr">439 </span> 89/<- %ebp 4/r32/esp +<span id="L440" class="LineNr">440 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L441" class="LineNr">441 </span> 50/push-eax +<span id="L442" class="LineNr">442 </span> 51/push-ecx +<span id="L443" class="LineNr">443 </span> 52/push-edx +<span id="L444" class="LineNr">444 </span> 53/push-ebx +<span id="L445" class="LineNr">445 </span> <span class="subxComment"># var line/ecx : (stream byte 512)</span> +<span id="L446" class="LineNr">446 </span> 81 5/subop/subtract %esp 0x200/imm32 +<span id="L447" class="LineNr">447 </span> 68/push 0x200/imm32/length +<span id="L448" class="LineNr">448 </span> 68/push 0/imm32/read +<span id="L449" class="LineNr">449 </span> 68/push 0/imm32/write +<span id="L450" class="LineNr">450 </span> 89/<- %ecx 4/r32/esp +<span id="L451" class="LineNr">451 </span> <span class="subxComment"># var word-slice/edx : slice</span> +<span id="L452" class="LineNr">452 </span> 68/push 0/imm32/end +<span id="L453" class="LineNr">453 </span> 68/push 0/imm32/start +<span id="L454" class="LineNr">454 </span> 89/<- %edx 4/r32/esp +<span id="L455" class="LineNr">455 </span> <span class="subxComment"># var open-curly-count/ebx : int = 1</span> +<span id="L456" class="LineNr">456 </span> bb/copy-to-ebx 1/imm32 +<span id="L457" class="LineNr">457 </span> { <span class="subxComment"># line loop</span> +<span id="L458" class="LineNr">458 </span><span class="Constant">$populate-mu-function-body:line-loop</span>: +<span id="L459" class="LineNr">459 </span> <span class="subxComment"># if (open-curly-count == 0) break</span> +<span id="L460" class="LineNr">460 </span> 81 7/subop/compare %ebx 0/imm32 +<span id="L461" class="LineNr">461 </span> 0f 84/jump-if-equal <span class="Constant">break</span>/disp32 +<span id="L462" class="LineNr">462 </span> <span class="subxComment"># line = read-line-buffered(in)</span> +<span id="L463" class="LineNr">463 </span> (<a href='../055stream.subx.html#L17'>clear-stream</a> %ecx) +<span id="L464" class="LineNr">464 </span> (<a href='../071read-line.subx.html#L9'>read-line-buffered</a> *(ebp+8) %ecx) +<span id="L465" class="LineNr">465 </span> <span class="subxComment"># if (line->write == 0) break</span> +<span id="L466" class="LineNr">466 </span> 81 7/subop/compare *ecx 0/imm32 +<span id="L467" class="LineNr">467 </span> 0f 84/jump-if-equal <span class="Constant">break</span>/disp32 +<span id="L468" class="LineNr">468 </span> <span class="subxComment"># word-slice = next-word(line)</span> +<span id="L469" class="LineNr">469 </span> (<a href='../076next-word.subx.html#L10'>next-word</a> %ecx %edx) +<span id="L470" class="LineNr">470 </span> <span class="subxComment"># if slice-empty?(word-slice)) continue</span> +<span id="L471" class="LineNr">471 </span> (<a href='../072slice.subx.html#L9'>slice-empty?</a> %ecx) +<span id="L472" class="LineNr">472 </span> 3d/compare-eax-and 0/imm32 +<span id="L473" class="LineNr">473 </span> 75/jump-if-not-equal <span class="Constant">loop</span>/disp8 +<span id="L474" class="LineNr">474 </span> <span class="subxComment"># if (slice-starts-with?(word-slice, '#') continue</span> +<span id="L475" class="LineNr">475 </span> <span class="subxS1Comment"># . eax = *word-slice->start</span> +<span id="L476" class="LineNr">476 </span> 8b/-> *edx 0/r32/eax +<span id="L477" class="LineNr">477 </span> 8a/copy-byte *eax 0/r32/AL +<span id="L478" class="LineNr">478 </span> 81 4/subop/and %eax 0xff/imm32 +<span id="L479" class="LineNr">479 </span> <span class="subxS1Comment"># . if (eax == '#') continue</span> +<span id="L480" class="LineNr">480 </span> 3d/compare-eax-and 0x23/imm32/hash +<span id="L481" class="LineNr">481 </span> 74/jump-if-equal <span class="Constant">loop</span>/disp8 +<span id="L482" class="LineNr">482 </span> { +<span id="L483" class="LineNr">483 </span> <span class="subxComment"># if slice-equal?(word-slice, "{") ++open-curly-count</span> +<span id="L484" class="LineNr">484 </span> { +<span id="L485" class="LineNr">485 </span> (<a href='../072slice.subx.html#L91'>slice-equal?</a> %ecx <span class="Constant">"{"</span>) +<span id="L486" class="LineNr">486 </span> 3d/compare-eax-and 0/imm32 +<span id="L487" class="LineNr">487 </span> 74/jump-if-equal <span class="Constant">break</span>/disp8 +<span id="L488" class="LineNr">488 </span> 43/increment-ebx +<span id="L489" class="LineNr">489 </span> eb/jump $curly-found:end/disp8 +<span id="L490" class="LineNr">490 </span> } +<span id="L491" class="LineNr">491 </span> <span class="subxComment"># else if slice-equal?(word-slice, "}") --open-curly-count</span> +<span id="L492" class="LineNr">492 </span> { +<span id="L493" class="LineNr">493 </span> (<a href='../072slice.subx.html#L91'>slice-equal?</a> %ecx <span class="Constant">"}"</span>) +<span id="L494" class="LineNr">494 </span> 3d/compare-eax-and 0/imm32 +<span id="L495" class="LineNr">495 </span> 74/jump-if-equal <span class="Constant">break</span>/disp8 +<span id="L496" class="LineNr">496 </span> 4b/decrement-ebx +<span id="L497" class="LineNr">497 </span> eb/jump $curly-found:end/disp8 +<span id="L498" class="LineNr">498 </span> } +<span id="L499" class="LineNr">499 </span> <span class="subxComment"># else break</span> +<span id="L500" class="LineNr">500 </span> eb/jump $populate-mu-function-body:end/disp8 +<span id="L501" class="LineNr">501 </span> } +<span id="L502" class="LineNr">502 </span> <span class="subxH1Comment"># - check for invalid tokens after curly</span> +<span id="L503" class="LineNr">503 </span><span class="Constant">$curly-found:end</span>: +<span id="L504" class="LineNr">504 </span> <span class="subxComment"># second-word-slice = next-word(line)</span> +<span id="L505" class="LineNr">505 </span> (<a href='../076next-word.subx.html#L10'>next-word</a> %ecx %edx) +<span id="L506" class="LineNr">506 </span> <span class="subxComment"># if slice-empty?(second-word-slice)) continue</span> +<span id="L507" class="LineNr">507 </span> (<a href='../072slice.subx.html#L9'>slice-empty?</a> %ecx) +<span id="L508" class="LineNr">508 </span> 3d/compare-eax-and 0/imm32 +<span id="L509" class="LineNr">509 </span> 0f 85/jump-if-not-equal <span class="Constant">loop</span>/disp32 +<span id="L510" class="LineNr">510 </span> <span class="subxComment"># if (slice-starts-with?(second-word-slice, '#') continue</span> +<span id="L511" class="LineNr">511 </span> <span class="subxS1Comment"># . eax = *second-word-slice->start</span> +<span id="L512" class="LineNr">512 </span> 8b/-> *edx 0/r32/eax +<span id="L513" class="LineNr">513 </span> 8a/copy-byte *eax 0/r32/AL +<span id="L514" class="LineNr">514 </span> 81 4/subop/and %eax 0xff/imm32 +<span id="L515" class="LineNr">515 </span> <span class="subxS1Comment"># . if (eax == '#') continue</span> +<span id="L516" class="LineNr">516 </span> 3d/compare-eax-and 0x23/imm32/hash +<span id="L517" class="LineNr">517 </span> 0f 84/jump-if-equal <span class="Constant">loop</span>/disp32 +<span id="L518" class="LineNr">518 </span> <span class="subxComment"># abort</span> +<span id="L519" class="LineNr">519 </span> eb/jump $populate-mu-function-body:abort/disp8 +<span id="L520" class="LineNr">520 </span> } <span class="subxComment"># end line loop</span> +<span id="L521" class="LineNr">521 </span><span class="Constant">$populate-mu-function-body:end</span>: +<span id="L522" class="LineNr">522 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L523" class="LineNr">523 </span> 81 0/subop/add %esp 0x214/imm32 +<span id="L524" class="LineNr">524 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L525" class="LineNr">525 </span> 5b/pop-to-ebx +<span id="L526" class="LineNr">526 </span> 5a/pop-to-edx +<span id="L527" class="LineNr">527 </span> 59/pop-to-ecx +<span id="L528" class="LineNr">528 </span> 58/pop-to-eax +<span id="L529" class="LineNr">529 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L530" class="LineNr">530 </span> 89/<- %esp 5/r32/ebp +<span id="L531" class="LineNr">531 </span> 5d/pop-to-ebp +<span id="L532" class="LineNr">532 </span> c3/return +<span id="L533" class="LineNr">533 </span> +<span id="L534" class="LineNr">534 </span><span class="Constant">$populate-mu-function-body:abort</span>: +<span id="L535" class="LineNr">535 </span> <span class="subxComment"># error("'{' or '}' should be on its own line, but got '")</span> +<span id="L536" class="LineNr">536 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> <span class="SpecialChar"><a href='../065write-buffered.subx.html#L209'>Stderr</a></span> <span class="Constant">"'{' or '}' should be on its own line, but got '"</span>) +<span id="L537" class="LineNr">537 </span> (<a href='../055stream.subx.html#L54'>rewind-stream</a> %ecx) +<span id="L538" class="LineNr">538 </span> (<a href='../062write-stream.subx.html#L18'>write-stream</a> 2 %ecx) +<span id="L539" class="LineNr">539 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> <span class="SpecialChar"><a href='../065write-buffered.subx.html#L209'>Stderr</a></span> <span class="Constant">"'\n"</span>) +<span id="L540" class="LineNr">540 </span> (<a href='../064write-byte.subx.html#L81'>flush</a> <span class="SpecialChar"><a href='../065write-buffered.subx.html#L209'>Stderr</a></span>) +<span id="L541" class="LineNr">541 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span> +<span id="L542" class="LineNr">542 </span> bb/copy-to-ebx 1/imm32 +<span id="L543" class="LineNr">543 </span> b8/copy-to-eax 1/imm32/exit +<span id="L544" class="LineNr">544 </span> cd/syscall 0x80/imm8 +<span id="L545" class="LineNr">545 </span> <span class="subxComment"># never gets here</span> +<span id="L546" class="LineNr">546 </span> +<span id="L547" class="LineNr">547 </span><span class="subxFunction">check-mu-types</span>: +<span id="L548" class="LineNr">548 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L549" class="LineNr">549 </span> 55/push-ebp +<span id="L550" class="LineNr">550 </span> 89/<- %ebp 4/r32/esp +<span id="L551" class="LineNr">551 </span> <span class="subxComment">#</span> +<span id="L552" class="LineNr">552 </span><span class="Constant">$check-types:end</span>: +<span id="L553" class="LineNr">553 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L554" class="LineNr">554 </span> 89/<- %esp 5/r32/ebp +<span id="L555" class="LineNr">555 </span> 5d/pop-to-ebp +<span id="L556" class="LineNr">556 </span> c3/return +<span id="L557" class="LineNr">557 </span> +<span id="L558" class="LineNr">558 </span><span class="subxFunction">emit-subx</span>: <span class="subxComment"># out : (address buffered-file)</span> +<span id="L559" class="LineNr">559 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L560" class="LineNr">560 </span> 55/push-ebp +<span id="L561" class="LineNr">561 </span> 89/<- %ebp 4/r32/esp +<span id="L562" class="LineNr">562 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L563" class="LineNr">563 </span> 50/push-eax +<span id="L564" class="LineNr">564 </span> 51/push-ecx +<span id="L565" class="LineNr">565 </span> 57/push-edi +<span id="L566" class="LineNr">566 </span> <span class="subxComment"># edi = out</span> +<span id="L567" class="LineNr">567 </span> 8b/-> *(ebp+8) 7/r32/edi +<span id="L568" class="LineNr">568 </span> <span class="subxComment"># var curr/ecx : (address function) = Program</span> +<span id="L569" class="LineNr">569 </span> 8b/-> *<span class="SpecialChar"><a href='mu.subx.html#L11'>Program</a></span> 1/r32/ecx +<span id="L570" class="LineNr">570 </span> { +<span id="L571" class="LineNr">571 </span> <span class="subxComment"># if (curr == NULL) break</span> +<span id="L572" class="LineNr">572 </span> 81 7/subop/compare %ecx 0/imm32 +<span id="L573" class="LineNr">573 </span> 0f 84/jump-if-equal <span class="Constant">break</span>/disp32 +<span id="L574" class="LineNr">574 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> %edi *ecx) +<span id="L575" class="LineNr">575 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> %edi <span class="Constant">":\n"</span>) +<span id="L576" class="LineNr">576 </span> (<a href='mu.subx.html#L592'>emit-subx-prologue</a> %edi) +<span id="L577" class="LineNr">577 </span> (<a href='mu.subx.html#L605'>emit-subx-epilogue</a> %edi) +<span id="L578" class="LineNr">578 </span> <span class="subxComment"># curr = curr->next</span> +<span id="L579" class="LineNr">579 </span> 8b/-> *(ecx+0x10) 1/r32/ecx +<span id="L580" class="LineNr">580 </span> e9/jump <span class="Constant">loop</span>/disp32 +<span id="L581" class="LineNr">581 </span> } +<span id="L582" class="LineNr">582 </span><span class="Constant">$emit-subx:end</span>: +<span id="L583" class="LineNr">583 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L584" class="LineNr">584 </span> 5f/pop-to-edi +<span id="L585" class="LineNr">585 </span> 59/pop-to-ecx +<span id="L586" class="LineNr">586 </span> 58/pop-to-eax +<span id="L587" class="LineNr">587 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L588" class="LineNr">588 </span> 89/<- %esp 5/r32/ebp +<span id="L589" class="LineNr">589 </span> 5d/pop-to-ebp +<span id="L590" class="LineNr">590 </span> c3/return +<span id="L591" class="LineNr">591 </span> +<span id="L592" class="LineNr">592 </span><span class="subxFunction">emit-subx-prologue</span>: <span class="subxComment"># out : (address buffered-file)</span> +<span id="L593" class="LineNr">593 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L594" class="LineNr">594 </span> 55/push-ebp +<span id="L595" class="LineNr">595 </span> 89/<- %ebp 4/r32/esp +<span id="L596" class="LineNr">596 </span> <span class="subxComment">#</span> +<span id="L597" class="LineNr">597 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> *(ebp+8) <span class="Constant">"# . prologue\n"</span>) +<span id="L598" class="LineNr">598 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> *(ebp+8) <span class="Constant">"55/push-ebp\n"</span>) +<span id="L599" class="LineNr">599 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> *(ebp+8) <span class="Constant">"89/<- %ebp 4/r32/esp\n"</span>) +<span id="L600" class="LineNr">600 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L601" class="LineNr">601 </span> 89/<- %esp 5/r32/ebp +<span id="L602" class="LineNr">602 </span> 5d/pop-to-ebp +<span id="L603" class="LineNr">603 </span> c3/return +<span id="L604" class="LineNr">604 </span> +<span id="L605" class="LineNr">605 </span><span class="subxFunction">emit-subx-epilogue</span>: <span class="subxComment"># out : (address buffered-file)</span> +<span id="L606" class="LineNr">606 </span> <span class="subxS1Comment"># . prologue</span> +<span id="L607" class="LineNr">607 </span> 55/push-ebp +<span id="L608" class="LineNr">608 </span> 89/<- %ebp 4/r32/esp +<span id="L609" class="LineNr">609 </span> <span class="subxComment">#</span> +<span id="L610" class="LineNr">610 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> *(ebp+8) <span class="Constant">"# . epilogue\n"</span>) +<span id="L611" class="LineNr">611 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> *(ebp+8) <span class="Constant">"89/<- %esp 5/r32/ebp\n"</span>) +<span id="L612" class="LineNr">612 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> *(ebp+8) <span class="Constant">"5d/pop-to-ebp\n"</span>) +<span id="L613" class="LineNr">613 </span> (<a href='../065write-buffered.subx.html#L8'>write-buffered</a> *(ebp+8) <span class="Constant">"c3/return\n"</span>) +<span id="L614" class="LineNr">614 </span> <span class="subxS1Comment"># . epilogue</span> +<span id="L615" class="LineNr">615 </span> 89/<- %esp 5/r32/ebp +<span id="L616" class="LineNr">616 </span> 5d/pop-to-ebp +<span id="L617" class="LineNr">617 </span> c3/return +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> |