diff options
Diffstat (limited to 'html/apps/mulisp.subx.html')
| -rw-r--r-- | html/apps/mulisp.subx.html | 201 |
1 files changed, 130 insertions, 71 deletions
diff --git a/html/apps/mulisp.subx.html b/html/apps/mulisp.subx.html index 65897af7..a979613d 100644 --- a/html/apps/mulisp.subx.html +++ b/html/apps/mulisp.subx.html @@ -55,10 +55,10 @@ if ('onhashchange' in window) { <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="L1" class="LineNr"> 1 </span><span class="subxComment"># Toy lisp interpreter. Incomplete.</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 init.linux 0*.subx apps/subx-common.subx apps/mulisp.subx</span> +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># $ ./ntranslate init.linux 0*.subx apps/subx-params.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> @@ -71,7 +71,7 @@ if ('onhashchange' in window) { <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="L17" class="LineNr"> 17 </span> (new-segment <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="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 @@ -119,14 +119,14 @@ if ('onhashchange' in window) { <span id="L62" class="LineNr"> 62 </span><span class="subxComment"># - char: cell{ tag: 2/CHAR, data: $int 0 }</span> <span id="L63" class="LineNr"> 63 </span><span class="subxComment"># data contains the utf-8 code of the character (no compound glyphs, no</span> <span id="L64" class="LineNr"> 64 </span><span class="subxComment"># modifiers, etc., etc.)</span> -<span id="L65" class="LineNr"> 65 </span><span class="subxComment"># - string: cell{ tag: 3/STRING, data: $(address array byte)</span> +<span id="L65" class="LineNr"> 65 </span><span class="subxComment"># - string: cell{ tag: 3/STRING, data: $(address stream byte)</span> <span id="L66" class="LineNr"> 66 </span><span class="subxComment"># data contains an (address array byte) containing the string in utf-8</span> <span id="L67" class="LineNr"> 67 </span><span class="subxComment"># - symbol: cell{ tag: 4/SYMBOL, data: $(address array byte) 0 }</span> <span id="L68" class="LineNr"> 68 </span><span class="subxComment"># data contains an (address array byte) containing the name of the symbol in utf-8</span> <span id="L69" class="LineNr"> 69 </span><span class="subxComment"># alternatively, data could contain an index into the table of interned symbols</span> <span id="L70" class="LineNr"> 70 </span><span class="subxComment"># - pair: cell{ tag: 5/PAIR, data: $(address cell) $(address cell) }</span> <span id="L71" class="LineNr"> 71 </span><span class="subxComment"># data contains pointers to car and cdr</span> -<span id="L72" class="LineNr"> 72 </span><span class="subxComment"># - array: cell{ tag: 6/ARRAY, data: $tag $(address array data)</span> +<span id="L72" class="LineNr"> 72 </span><span class="subxComment"># - array: cell{ tag: 6/ARRAY, data: $tag $(address stream data)</span> <span id="L73" class="LineNr"> 73 </span><span class="subxComment"># data contains a pointer to an array of 8-byte data fields and the common</span> <span id="L74" class="LineNr"> 74 </span><span class="subxComment"># tag for them all</span> <span id="L75" class="LineNr"> 75 </span> @@ -145,7 +145,7 @@ if ('onhashchange' in window) { <span id="L88" class="LineNr"> 88 </span> (lisp-eval %eax) <span class="subxComment"># => eax : (address cell)</span> <span id="L89" class="LineNr"> 89 </span> (lisp-print <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span> %eax) <span id="L90" class="LineNr"> 90 </span> <span class="subxComment"># loop</span> -<span id="L91" class="LineNr"> 91 </span> eb/jump $repl:loop/disp8 +<span id="L91" class="LineNr"> 91 </span> eb/jump $repl:<span class="Constant">loop</span>/disp8 <span id="L92" class="LineNr"> 92 </span><span class="Constant">$repl:end</span>: <span id="L93" class="LineNr"> 93 </span> <span class="subxS1Comment"># . restore registers</span> <span id="L94" class="LineNr"> 94 </span> 58/pop-to-eax @@ -159,71 +159,130 @@ if ('onhashchange' in window) { <span id="L102" class="LineNr">102 </span><span class="subxComment"># pairs start with '('</span> <span id="L103" class="LineNr">103 </span><span class="subxComment"># arrays start with '['</span> <span id="L104" class="LineNr">104 </span><span class="subxComment"># symbols start with anything else but quote, backquote, unquote or splice</span> -<span id="L105" class="LineNr">105 </span><span class="subxFunction">lisp-read</span>: <span class="subxComment"># in : (address buffered-file) -> eax : (address cell)</span> -<span id="L106" class="LineNr">106 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L107" class="LineNr">107 </span> 55/push-ebp -<span id="L108" class="LineNr">108 </span> 89/<- %ebp 4/r32/esp -<span id="L109" class="LineNr">109 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L110" class="LineNr">110 </span> <span class="subxComment"># var s/ecx : (address stream) = new-stream(512)</span> -<span id="L111" class="LineNr">111 </span> 81 5/subop/subtract %esp 0x200/imm32 -<span id="L112" class="LineNr">112 </span> 68/push 0x200/imm32/size -<span id="L113" class="LineNr">113 </span> 68/push 0/imm32/read -<span id="L114" class="LineNr">114 </span> 68/push 0/imm32/write -<span id="L115" class="LineNr">115 </span> 89/<- %ecx 4/r32/esp -<span id="L116" class="LineNr">116 </span> <span class="subxComment">#</span> -<span id="L117" class="LineNr">117 </span> (clear-stream %ecx) -<span id="L118" class="LineNr">118 </span> (read-line-buffered *(ebp+8) %ecx) -<span id="L119" class="LineNr">119 </span> <span class="subxComment"># if (s->write == 0) return null</span> -<span id="L120" class="LineNr">120 </span> 81 7/subop/compare *ecx 0/imm32 -<span id="L121" class="LineNr">121 </span> 75/jump-if-not-equal $lisp-read:loop/disp8 -<span id="L122" class="LineNr">122 </span> b8/copy-to-eax 0/imm32/eof -<span id="L123" class="LineNr">123 </span> eb/jump $lisp-read:end/disp8 -<span id="L124" class="LineNr">124 </span><span class="Constant">$lisp-read:loop</span>: -<span id="L125" class="LineNr">125 </span> <span class="subxComment"># return s</span> -<span id="L126" class="LineNr">126 </span> 89/<- %eax 1/r32/ecx -<span id="L127" class="LineNr">127 </span><span class="Constant">$lisp-read:end</span>: -<span id="L128" class="LineNr">128 </span> <span class="subxS1Comment"># . reclaim locals</span> -<span id="L129" class="LineNr">129 </span> 81 0/subop/add %esp 0x20c/imm32 -<span id="L130" class="LineNr">130 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L131" class="LineNr">131 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L132" class="LineNr">132 </span> 89/<- %esp 5/r32/ebp -<span id="L133" class="LineNr">133 </span> 5d/pop-to-ebp -<span id="L134" class="LineNr">134 </span> c3/return -<span id="L135" class="LineNr">135 </span> -<span id="L136" class="LineNr">136 </span><span class="subxFunction">lisp-eval</span>: <span class="subxComment"># in : (address cell) -> eax : (address cell)</span> -<span id="L137" class="LineNr">137 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L138" class="LineNr">138 </span> 55/push-ebp -<span id="L139" class="LineNr">139 </span> 89/<- %ebp 4/r32/esp -<span id="L140" class="LineNr">140 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L141" class="LineNr">141 </span> 8b/-> *(ebp+8) 0/r32/eax -<span id="L142" class="LineNr">142 </span><span class="Constant">$lisp-eval:end</span>: -<span id="L143" class="LineNr">143 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L144" class="LineNr">144 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L145" class="LineNr">145 </span> 89/<- %esp 5/r32/ebp -<span id="L146" class="LineNr">146 </span> 5d/pop-to-ebp -<span id="L147" class="LineNr">147 </span> c3/return -<span id="L148" class="LineNr">148 </span> -<span id="L149" class="LineNr">149 </span><span class="subxFunction">lisp-print</span>: <span class="subxComment"># out : (address buffered-file), x : (address cell)</span> -<span id="L150" class="LineNr">150 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L151" class="LineNr">151 </span> 55/push-ebp -<span id="L152" class="LineNr">152 </span> 89/<- %ebp 4/r32/esp -<span id="L153" class="LineNr">153 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L154" class="LineNr">154 </span> <span class="subxComment"># write(x)</span> -<span id="L155" class="LineNr">155 </span> (write-buffered <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span> <span class="Constant">"=> "</span>) -<span id="L156" class="LineNr">156 </span> (write-stream-data <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span> *(ebp+0xc)) -<span id="L157" class="LineNr">157 </span> (flush <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span>) -<span id="L158" class="LineNr">158 </span><span class="Constant">$lisp-print:end</span>: -<span id="L159" class="LineNr">159 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L160" class="LineNr">160 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L161" class="LineNr">161 </span> 89/<- %esp 5/r32/ebp -<span id="L162" class="LineNr">162 </span> 5d/pop-to-ebp -<span id="L163" class="LineNr">163 </span> c3/return -<span id="L164" class="LineNr">164 </span> -<span id="L165" class="LineNr">165 </span>== data -<span id="L166" class="LineNr">166 </span> -<span id="L167" class="LineNr">167 </span><span class="SpecialChar">Nil</span>: -<span id="L168" class="LineNr">168 </span> 0/imm32/tag -<span id="L169" class="LineNr">169 </span> 0/imm32/data +<span id="L105" class="LineNr">105 </span><span class="subxComment"># only one s-expression per line</span> +<span id="L106" class="LineNr">106 </span><span class="subxFunction">lisp-read</span>: <span class="subxComment"># in : (address buffered-file) -> eax : (address cell)</span> +<span id="L107" class="LineNr">107 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L108" class="LineNr">108 </span> 55/push-ebp +<span id="L109" class="LineNr">109 </span> 89/<- %ebp 4/r32/esp +<span id="L110" class="LineNr">110 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L111" class="LineNr">111 </span> 51/push-ecx +<span id="L112" class="LineNr">112 </span> <span class="subxComment"># var s/ecx : (address stream) = new-stream(512)</span> +<span id="L113" class="LineNr">113 </span> 81 5/subop/subtract %esp 0x200/imm32 +<span id="L114" class="LineNr">114 </span> 68/push 0x200/imm32/size +<span id="L115" class="LineNr">115 </span> 68/push 0/imm32/read +<span id="L116" class="LineNr">116 </span> 68/push 0/imm32/write +<span id="L117" class="LineNr">117 </span> 89/<- %ecx 4/r32/esp +<span id="L118" class="LineNr">118 </span><span class="Constant">$lisp-read:loop</span>: +<span id="L119" class="LineNr">119 </span> <span class="subxComment"># read line into s</span> +<span id="L120" class="LineNr">120 </span> (clear-stream %ecx) +<span id="L121" class="LineNr">121 </span> (read-line-buffered *(ebp+8) %ecx) +<span id="L122" class="LineNr">122 </span> <span class="subxComment"># if (s->write == 0) return null</span> +<span id="L123" class="LineNr">123 </span> 81 7/subop/compare *ecx 0/imm32 +<span id="L124" class="LineNr">124 </span> 75/jump-if-not-equal $lisp-read:<span class="Constant">loop</span>/disp8 +<span id="L125" class="LineNr">125 </span> b8/copy-to-eax 0/imm32/eof +<span id="L126" class="LineNr">126 </span> eb/jump $lisp-read:end/disp8 +<span id="L127" class="LineNr">127 </span> <span class="subxComment"># return s</span> +<span id="L128" class="LineNr">128 </span> 89/<- %eax 1/r32/ecx +<span id="L129" class="LineNr">129 </span><span class="Constant">$lisp-read:end</span>: +<span id="L130" class="LineNr">130 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L131" class="LineNr">131 </span> 81 0/subop/add %esp 0x20c/imm32 +<span id="L132" class="LineNr">132 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L133" class="LineNr">133 </span> 59/pop-to-ecx +<span id="L134" class="LineNr">134 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L135" class="LineNr">135 </span> 89/<- %esp 5/r32/ebp +<span id="L136" class="LineNr">136 </span> 5d/pop-to-ebp +<span id="L137" class="LineNr">137 </span> c3/return +<span id="L138" class="LineNr">138 </span> +<span id="L139" class="LineNr">139 </span><span class="subxComment"># lisp-read: in : (address buffered-file) -> (address cell)</span> +<span id="L140" class="LineNr">140 </span><span class="subxComment"># token tmp = next-token(in)</span> +<span id="L141" class="LineNr">141 </span><span class="subxComment"># if is-int(tmp) return cell(tmp)</span> +<span id="L142" class="LineNr">142 </span><span class="subxComment"># if is-string(tmp) return cell(tmp)</span> +<span id="L143" class="LineNr">143 </span><span class="subxComment"># if is-pair(tmp) ...</span> +<span id="L144" class="LineNr">144 </span><span class="subxComment"># if is-array(tmp) ...</span> +<span id="L145" class="LineNr">145 </span> +<span id="L146" class="LineNr">146 </span><span class="subxFunction">next-token</span>: <span class="subxComment"># in : (address buffered-file), line : (address stream), result : (address slice)</span> +<span id="L147" class="LineNr">147 </span> <span class="subxComment"># pseudocode:</span> +<span id="L148" class="LineNr">148 </span> <span class="subxComment"># if (line->read >= line->write)</span> +<span id="L149" class="LineNr">149 </span> <span class="subxComment"># read-line-buffered(in, line)</span> +<span id="L150" class="LineNr">150 </span> <span class="subxComment"># recurse</span> +<span id="L151" class="LineNr">151 </span> <span class="subxComment"># if (line->data[line->read] == ' ')</span> +<span id="L152" class="LineNr">152 </span> <span class="subxComment"># skip-chars-matching-whitespace(line)</span> +<span id="L153" class="LineNr">153 </span> <span class="subxComment"># recurse</span> +<span id="L154" class="LineNr">154 </span> <span class="subxComment"># if (line->data[line->read] == '#')</span> +<span id="L155" class="LineNr">155 </span> <span class="subxComment"># read-line-buffered(in, line)</span> +<span id="L156" class="LineNr">156 </span> <span class="subxComment"># recurse</span> +<span id="L157" class="LineNr">157 </span> <span class="subxComment"># eax = line->data[line->read]</span> +<span id="L158" class="LineNr">158 </span> <span class="subxComment"># if (eax == '"')</span> +<span id="L159" class="LineNr">159 </span> <span class="subxComment"># result->start = &line->data[line->read]</span> +<span id="L160" class="LineNr">160 </span> <span class="subxComment"># skip-string(in)</span> +<span id="L161" class="LineNr">161 </span> <span class="subxComment"># result->end = &line->data[line->read]</span> +<span id="L162" class="LineNr">162 </span> <span class="subxComment"># return</span> +<span id="L163" class="LineNr">163 </span> <span class="subxComment"># if (is-digit(eax))</span> +<span id="L164" class="LineNr">164 </span> <span class="subxComment"># result->start = &line->data[line->read]</span> +<span id="L165" class="LineNr">165 </span> <span class="subxComment"># skip-hex-int(in)</span> +<span id="L166" class="LineNr">166 </span> <span class="subxComment"># result->end = &line->data[line->read]</span> +<span id="L167" class="LineNr">167 </span> <span class="subxComment"># return</span> +<span id="L168" class="LineNr">168 </span> <span class="subxComment"># if (eax in '(' ')' '[' ']')</span> +<span id="L169" class="LineNr">169 </span> <span class="subxComment"># result->start = &line->data[line->read]</span> +<span id="L170" class="LineNr">170 </span> <span class="subxComment"># ++line->read</span> +<span id="L171" class="LineNr">171 </span> <span class="subxComment"># result->en = &line->data[line->read]</span> +<span id="L172" class="LineNr">172 </span> <span class="subxComment"># return</span> +<span id="L173" class="LineNr">173 </span> <span class="subxComment"># else</span> +<span id="L174" class="LineNr">174 </span> <span class="subxComment"># result->start = &line->data[line->read]</span> +<span id="L175" class="LineNr">175 </span> <span class="subxComment"># skip-lisp-word(line)</span> +<span id="L176" class="LineNr">176 </span> <span class="subxComment"># result->en = &line->data[line->read]</span> +<span id="L177" class="LineNr">177 </span> <span class="subxComment"># return</span> +<span id="L178" class="LineNr">178 </span> <span class="subxComment">#</span> +<span id="L179" class="LineNr">179 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L180" class="LineNr">180 </span> 55/push-ebp +<span id="L181" class="LineNr">181 </span> 89/<- %ebp 4/r32/esp +<span id="L182" class="LineNr">182 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L183" class="LineNr">183 </span><span class="Constant">$next-token:end</span>: +<span id="L184" class="LineNr">184 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L185" class="LineNr">185 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L186" class="LineNr">186 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L187" class="LineNr">187 </span> 89/<- %esp 5/r32/ebp +<span id="L188" class="LineNr">188 </span> 5d/pop-to-ebp +<span id="L189" class="LineNr">189 </span> c3/return +<span id="L190" class="LineNr">190 </span> +<span id="L191" class="LineNr">191 </span><span class="subxFunction">new-int-cell</span>: <span class="subxComment"># in : (address slice) -> eax : (address cell)</span> +<span id="L192" class="LineNr">192 </span> +<span id="L193" class="LineNr">193 </span><span class="subxFunction">new-string-cell</span>: <span class="subxComment"># in : (address slice) -> eax : (address cell)</span> +<span id="L194" class="LineNr">194 </span> +<span id="L195" class="LineNr">195 </span><span class="subxFunction">lisp-eval</span>: <span class="subxComment"># in : (address cell) -> eax : (address cell)</span> +<span id="L196" class="LineNr">196 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L197" class="LineNr">197 </span> 55/push-ebp +<span id="L198" class="LineNr">198 </span> 89/<- %ebp 4/r32/esp +<span id="L199" class="LineNr">199 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L200" class="LineNr">200 </span> 8b/-> *(ebp+8) 0/r32/eax +<span id="L201" class="LineNr">201 </span><span class="Constant">$lisp-eval:end</span>: +<span id="L202" class="LineNr">202 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L203" class="LineNr">203 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L204" class="LineNr">204 </span> 89/<- %esp 5/r32/ebp +<span id="L205" class="LineNr">205 </span> 5d/pop-to-ebp +<span id="L206" class="LineNr">206 </span> c3/return +<span id="L207" class="LineNr">207 </span> +<span id="L208" class="LineNr">208 </span><span class="subxFunction">lisp-print</span>: <span class="subxComment"># out : (address buffered-file), x : (address cell)</span> +<span id="L209" class="LineNr">209 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L210" class="LineNr">210 </span> 55/push-ebp +<span id="L211" class="LineNr">211 </span> 89/<- %ebp 4/r32/esp +<span id="L212" class="LineNr">212 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L213" class="LineNr">213 </span> <span class="subxComment"># write(x)</span> +<span id="L214" class="LineNr">214 </span> (write-buffered <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span> <span class="Constant">"=> "</span>) +<span id="L215" class="LineNr">215 </span> (write-stream-data <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span> *(ebp+0xc)) +<span id="L216" class="LineNr">216 </span> (flush <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span>) +<span id="L217" class="LineNr">217 </span><span class="Constant">$lisp-print:end</span>: +<span id="L218" class="LineNr">218 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L219" class="LineNr">219 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L220" class="LineNr">220 </span> 89/<- %esp 5/r32/ebp +<span id="L221" class="LineNr">221 </span> 5d/pop-to-ebp +<span id="L222" class="LineNr">222 </span> c3/return +<span id="L223" class="LineNr">223 </span> +<span id="L224" class="LineNr">224 </span>== data +<span id="L225" class="LineNr">225 </span> +<span id="L226" class="LineNr">226 </span><span class="SpecialChar">Nil</span>: +<span id="L227" class="LineNr">227 </span> 0/imm32/tag +<span id="L228" class="LineNr">228 </span> 0/imm32/data </pre> </body> </html> |