diff options
| -rw-r--r-- | html/subx/071next-token.subx.html | 1293 | ||||
| -rw-r--r-- | subx/071next-token.subx | 416 | ||||
| -rwxr-xr-x | subx/apps/crenshaw2-1 | bin | 14148 -> 15313 bytes | |||
| -rwxr-xr-x | subx/apps/crenshaw2-1b | bin | 14707 -> 15872 bytes | |||
| -rwxr-xr-x | subx/apps/factorial | bin | 13066 -> 14231 bytes | |||
| -rwxr-xr-x | subx/apps/handle | bin | 13859 -> 15024 bytes | |||
| -rwxr-xr-x | subx/apps/hex | bin | 17127 -> 18292 bytes | |||
| -rw-r--r-- | subx/apps/pack.subx | 25 |
8 files changed, 1282 insertions, 452 deletions
diff --git a/html/subx/071next-token.subx.html b/html/subx/071next-token.subx.html index 814a4672..005a425a 100644 --- a/html/subx/071next-token.subx.html +++ b/html/subx/071next-token.subx.html @@ -18,11 +18,12 @@ a { color:inherit; } .subxS2Comment { color: #8a8a8a; } .LineNr { } .subxS1Comment { color: #0000af; } -.SpecialChar { color: #d70000; } +.CommentedCode { color: #8a8a8a; } .subxFunction { color: #af5f00; text-decoration: underline; } .subxTest { color: #5f8700; } .Constant { color: #008787; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } +.SpecialChar { color: #d70000; } --> </style> @@ -64,448 +65,854 @@ if ('onhashchange' in window) { <span id="L4" class="LineNr"> 4 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L5" class="LineNr"> 5 </span> <span id="L6" class="LineNr"> 6 </span><span class="subxComment"># main:</span> -<span id="L7" class="LineNr"> 7 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L8" class="LineNr"> 8 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L9" class="LineNr"> 9 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L10" class="LineNr"> 10 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L11" class="LineNr"> 11 </span> cd/syscall 0x80/imm8 -<span id="L12" class="LineNr"> 12 </span> -<span id="L13" class="LineNr"> 13 </span><span class="subxComment"># extract the next run of characters that are different from a given 'delimiter'</span> -<span id="L14" class="LineNr"> 14 </span><span class="subxComment"># on eof return an empty interval</span> -<span id="L15" class="LineNr"> 15 </span><span class="subxFunction">next-token</span>: <span class="subxComment"># in : (address stream), delimiter : byte, out : (address slice)</span> -<span id="L16" class="LineNr"> 16 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L17" class="LineNr"> 17 </span> 55/push-EBP -<span id="L18" class="LineNr"> 18 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L19" class="LineNr"> 19 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L20" class="LineNr"> 20 </span> 50/push-EAX -<span id="L21" class="LineNr"> 21 </span> 51/push-ECX -<span id="L22" class="LineNr"> 22 </span> 56/push-ESI -<span id="L23" class="LineNr"> 23 </span> 57/push-EDI -<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># ESI = in</span> -<span id="L25" class="LineNr"> 25 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># EDI = out</span> -<span id="L27" class="LineNr"> 27 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDI</span> -<span id="L28" class="LineNr"> 28 </span> <span class="subxComment"># skip-chars-matching(in, delimiter)</span> -<span id="L29" class="LineNr"> 29 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L30" class="LineNr"> 30 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L31" class="LineNr"> 31 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L32" class="LineNr"> 32 </span> <span class="subxS2Comment"># . . call</span> -<span id="L33" class="LineNr"> 33 </span> e8/call <a href='071next-token.subx.html#L166'>skip-chars-matching</a>/disp32 -<span id="L34" class="LineNr"> 34 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L35" class="LineNr"> 35 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L36" class="LineNr"> 36 </span> <span class="subxComment"># out->start = &in->data[in->read]</span> -<span id="L37" class="LineNr"> 37 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> -<span id="L38" class="LineNr"> 38 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+ECX+12 to EAX</span> -<span id="L39" class="LineNr"> 39 </span> 89/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *EDI</span> -<span id="L40" class="LineNr"> 40 </span> <span class="subxComment"># skip-chars-not-matching(in, delimiter)</span> -<span id="L41" class="LineNr"> 41 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L42" class="LineNr"> 42 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L43" class="LineNr"> 43 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L44" class="LineNr"> 44 </span> <span class="subxS2Comment"># . . call</span> -<span id="L45" class="LineNr"> 45 </span> e8/call <a href='071next-token.subx.html#L288'>skip-chars-not-matching</a>/disp32 -<span id="L46" class="LineNr"> 46 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L47" class="LineNr"> 47 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L48" class="LineNr"> 48 </span> <span class="subxComment"># out->end = &in->data[in->read]</span> -<span id="L49" class="LineNr"> 49 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> -<span id="L50" class="LineNr"> 50 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+ECX+12 to EAX</span> -<span id="L51" class="LineNr"> 51 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *(EDI+4)</span> -<span id="L52" class="LineNr"> 52 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L53" class="LineNr"> 53 </span> 5f/pop-to-EDI -<span id="L54" class="LineNr"> 54 </span> 5e/pop-to-ESI -<span id="L55" class="LineNr"> 55 </span> 59/pop-to-ECX -<span id="L56" class="LineNr"> 56 </span> 58/pop-to-EAX -<span id="L57" class="LineNr"> 57 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L58" class="LineNr"> 58 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L59" class="LineNr"> 59 </span> 5d/pop-to-EBP -<span id="L60" class="LineNr"> 60 </span> c3/return -<span id="L61" class="LineNr"> 61 </span> -<span id="L62" class="LineNr"> 62 </span><span class="subxTest">test-next-token</span>: -<span id="L63" class="LineNr"> 63 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L64" class="LineNr"> 64 </span> 55/push-EBP -<span id="L65" class="LineNr"> 65 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L66" class="LineNr"> 66 </span> <span class="subxComment"># setup</span> -<span id="L67" class="LineNr"> 67 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L68" class="LineNr"> 68 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L69" class="LineNr"> 69 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L70" class="LineNr"> 70 </span> <span class="subxS2Comment"># . . call</span> -<span id="L71" class="LineNr"> 71 </span> e8/call <a href='056write.subx.html#L85'>clear-stream</a>/disp32 -<span id="L72" class="LineNr"> 72 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L73" class="LineNr"> 73 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L74" class="LineNr"> 74 </span> <span class="subxComment"># var slice/ECX = {0, 0}</span> -<span id="L75" class="LineNr"> 75 </span> 68/push 0/imm32/end -<span id="L76" class="LineNr"> 76 </span> 68/push 0/imm32/start -<span id="L77" class="LineNr"> 77 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># write(_test-stream, " ab")</span> -<span id="L79" class="LineNr"> 79 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L80" class="LineNr"> 80 </span> 68/push <span class="Constant">" ab"</span>/imm32 -<span id="L81" class="LineNr"> 81 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . call</span> -<span id="L83" class="LineNr"> 83 </span> e8/call <a href='056write.subx.html#L31'>write</a>/disp32 -<span id="L84" class="LineNr"> 84 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L85" class="LineNr"> 85 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># next-token(_test-stream, 0x20/space, slice)</span> -<span id="L87" class="LineNr"> 87 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L88" class="LineNr"> 88 </span> 51/push-ECX -<span id="L89" class="LineNr"> 89 </span> 68/push 0x20/imm32 -<span id="L90" class="LineNr"> 90 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L91" class="LineNr"> 91 </span> <span class="subxS2Comment"># . . call</span> -<span id="L92" class="LineNr"> 92 </span> e8/call <a href='071next-token.subx.html#L15'>next-token</a>/disp32 -<span id="L93" class="LineNr"> 93 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L94" class="LineNr"> 94 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># check-ints-equal(slice->start - _test-stream->data, 2, msg)</span> -<span id="L96" class="LineNr"> 96 </span> <span class="subxS1Comment"># . check-ints-equal(slice->start - _test-stream, 14, msg)</span> -<span id="L97" class="LineNr"> 97 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L98" class="LineNr"> 98 </span> 68/push <span class="Constant">"F - <a href='071next-token.subx.html#L62'>test-next-token</a>: start"</span>/imm32 -<span id="L99" class="LineNr"> 99 </span> 68/push 0xe/imm32 -<span id="L100" class="LineNr">100 </span> <span class="subxS2Comment"># . . push slice->start - _test-stream</span> -<span id="L101" class="LineNr">101 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EAX</span> -<span id="L102" class="LineNr">102 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='056write.subx.html#L193'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> -<span id="L103" class="LineNr">103 </span> 50/push-EAX -<span id="L104" class="LineNr">104 </span> <span class="subxS2Comment"># . . call</span> -<span id="L105" class="LineNr">105 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L106" class="LineNr">106 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L107" class="LineNr">107 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L108" class="LineNr">108 </span> <span class="subxComment"># check-ints-equal(slice->end - _test-stream->data, 4, msg)</span> -<span id="L109" class="LineNr">109 </span> <span class="subxS1Comment"># . check-ints-equal(slice->end - _test-stream, 16, msg)</span> -<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L111" class="LineNr">111 </span> 68/push <span class="Constant">"F - <a href='071next-token.subx.html#L62'>test-next-token</a>: end"</span>/imm32 -<span id="L112" class="LineNr">112 </span> 68/push 0x10/imm32 -<span id="L113" class="LineNr">113 </span> <span class="subxS2Comment"># . . push slice->end - _test-stream</span> -<span id="L114" class="LineNr">114 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+4) to EAX</span> -<span id="L115" class="LineNr">115 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='056write.subx.html#L193'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> -<span id="L116" class="LineNr">116 </span> 50/push-EAX -<span id="L117" class="LineNr">117 </span> <span class="subxS2Comment"># . . call</span> -<span id="L118" class="LineNr">118 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L120" class="LineNr">120 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L121" class="LineNr">121 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L122" class="LineNr">122 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L123" class="LineNr">123 </span> 5d/pop-to-EBP -<span id="L124" class="LineNr">124 </span> c3/return -<span id="L125" class="LineNr">125 </span> -<span id="L126" class="LineNr">126 </span><span class="subxTest">test-next-token-eof</span>: -<span id="L127" class="LineNr">127 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L128" class="LineNr">128 </span> 55/push-EBP -<span id="L129" class="LineNr">129 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L130" class="LineNr">130 </span> <span class="subxComment"># setup</span> -<span id="L131" class="LineNr">131 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L132" class="LineNr">132 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L133" class="LineNr">133 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L134" class="LineNr">134 </span> <span class="subxS2Comment"># . . call</span> -<span id="L135" class="LineNr">135 </span> e8/call <a href='056write.subx.html#L85'>clear-stream</a>/disp32 -<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L137" class="LineNr">137 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L138" class="LineNr">138 </span> <span class="subxComment"># var slice/ECX = {0, 0}</span> -<span id="L139" class="LineNr">139 </span> 68/push 0/imm32/end -<span id="L140" class="LineNr">140 </span> 68/push 0/imm32/start -<span id="L141" class="LineNr">141 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L142" class="LineNr">142 </span> <span class="subxComment"># write nothing to _test-stream</span> -<span id="L143" class="LineNr">143 </span> <span class="subxComment"># next-token(_test-stream, 0x20/space, slice)</span> -<span id="L144" class="LineNr">144 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L145" class="LineNr">145 </span> 51/push-ECX -<span id="L146" class="LineNr">146 </span> 68/push 0x20/imm32 -<span id="L147" class="LineNr">147 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L148" class="LineNr">148 </span> <span class="subxS2Comment"># . . call</span> -<span id="L149" class="LineNr">149 </span> e8/call <a href='071next-token.subx.html#L15'>next-token</a>/disp32 -<span id="L150" class="LineNr">150 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L151" class="LineNr">151 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L152" class="LineNr">152 </span> <span class="subxComment"># check-ints-equal(slice->end, slice->start, msg)</span> -<span id="L153" class="LineNr">153 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L154" class="LineNr">154 </span> 68/push <span class="Constant">"F - test-next-token-eof"</span>/imm32 -<span id="L155" class="LineNr">155 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> -<span id="L156" class="LineNr">156 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ECX</span> -<span id="L157" class="LineNr">157 </span> <span class="subxS2Comment"># . . call</span> -<span id="L158" class="LineNr">158 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L159" class="LineNr">159 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L160" class="LineNr">160 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L161" class="LineNr">161 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L162" class="LineNr">162 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L163" class="LineNr">163 </span> 5d/pop-to-EBP -<span id="L164" class="LineNr">164 </span> c3/return -<span id="L165" class="LineNr">165 </span> -<span id="L166" class="LineNr">166 </span><span class="subxFunction">skip-chars-matching</span>: <span class="subxComment"># in : (address stream), delimiter : byte</span> -<span id="L167" class="LineNr">167 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L168" class="LineNr">168 </span> 55/push-EBP -<span id="L169" class="LineNr">169 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L170" class="LineNr">170 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L171" class="LineNr">171 </span> 50/push-EAX -<span id="L172" class="LineNr">172 </span> 51/push-ECX -<span id="L173" class="LineNr">173 </span> 52/push-EDX -<span id="L174" class="LineNr">174 </span> 56/push-ESI -<span id="L175" class="LineNr">175 </span> <span class="subxComment"># ESI = in</span> -<span id="L176" class="LineNr">176 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L177" class="LineNr">177 </span> <span class="subxComment"># ECX = in->read</span> -<span id="L178" class="LineNr">178 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> -<span id="L179" class="LineNr">179 </span> <span class="subxComment"># EBX = in->write</span> -<span id="L180" class="LineNr">180 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EBX</span> -<span id="L181" class="LineNr">181 </span> <span class="subxComment"># EDX = delimiter</span> -<span id="L182" class="LineNr">182 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDX</span> -<span id="L183" class="LineNr">183 </span><span class="Constant">$skip-chars-matching:loop</span>: -<span id="L184" class="LineNr">184 </span> <span class="subxComment"># if (in->read >= in->write) break</span> -<span id="L185" class="LineNr">185 </span> 3b/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with *EBX</span> -<span id="L186" class="LineNr">186 </span> 7d/jump-if-greater-or-equal $skip-chars-matching:end/disp8 -<span id="L187" class="LineNr">187 </span> <span class="subxComment"># EAX = in->data[in->read]</span> -<span id="L188" class="LineNr">188 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L189" class="LineNr">189 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+12) to AL</span> -<span id="L190" class="LineNr">190 </span> <span class="subxComment"># if (EAX != delimiter) break</span> -<span id="L191" class="LineNr">191 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and EDX</span> -<span id="L192" class="LineNr">192 </span> 75/jump-if-not-equal $skip-chars-matching:end/disp8 -<span id="L193" class="LineNr">193 </span> <span class="subxComment"># ++in->read</span> -<span id="L194" class="LineNr">194 </span> 41/inc-ECX -<span id="L195" class="LineNr">195 </span> eb/jump $skip-chars-matching:loop/disp8 -<span id="L196" class="LineNr">196 </span><span class="Constant">$skip-chars-matching:end</span>: -<span id="L197" class="LineNr">197 </span> <span class="subxComment"># persist in->read</span> -<span id="L198" class="LineNr">198 </span> 89/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(ESI+4)</span> -<span id="L199" class="LineNr">199 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L200" class="LineNr">200 </span> 5e/pop-to-ESI -<span id="L201" class="LineNr">201 </span> 5a/pop-to-EDX -<span id="L202" class="LineNr">202 </span> 59/pop-to-ECX -<span id="L203" class="LineNr">203 </span> 58/pop-to-EAX -<span id="L204" class="LineNr">204 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L205" class="LineNr">205 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L206" class="LineNr">206 </span> 5d/pop-to-EBP -<span id="L207" class="LineNr">207 </span> c3/return -<span id="L208" class="LineNr">208 </span> -<span id="L209" class="LineNr">209 </span><span class="subxTest">test-skip-chars-matching</span>: -<span id="L210" class="LineNr">210 </span> <span class="subxComment"># setup</span> -<span id="L211" class="LineNr">211 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L212" class="LineNr">212 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L213" class="LineNr">213 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L214" class="LineNr">214 </span> <span class="subxS2Comment"># . . call</span> -<span id="L215" class="LineNr">215 </span> e8/call <a href='056write.subx.html#L85'>clear-stream</a>/disp32 -<span id="L216" class="LineNr">216 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L217" class="LineNr">217 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L218" class="LineNr">218 </span> <span class="subxComment"># write(_test-stream, " ab")</span> -<span id="L219" class="LineNr">219 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L220" class="LineNr">220 </span> 68/push <span class="Constant">" ab"</span>/imm32 -<span id="L221" class="LineNr">221 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L222" class="LineNr">222 </span> <span class="subxS2Comment"># . . call</span> -<span id="L223" class="LineNr">223 </span> e8/call <a href='056write.subx.html#L31'>write</a>/disp32 -<span id="L224" class="LineNr">224 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L225" class="LineNr">225 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L226" class="LineNr">226 </span> <span class="subxComment"># skip-chars-matching(_test-stream, 0x20/space)</span> -<span id="L227" class="LineNr">227 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L228" class="LineNr">228 </span> 68/push 0x20/imm32 -<span id="L229" class="LineNr">229 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L230" class="LineNr">230 </span> <span class="subxS2Comment"># . . call</span> -<span id="L231" class="LineNr">231 </span> e8/call <a href='071next-token.subx.html#L166'>skip-chars-matching</a>/disp32 -<span id="L232" class="LineNr">232 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L233" class="LineNr">233 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L234" class="LineNr">234 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> -<span id="L235" class="LineNr">235 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L236" class="LineNr">236 </span> 68/push <span class="Constant">"F - test-skip-chars-matching"</span>/imm32 -<span id="L237" class="LineNr">237 </span> 68/push 2/imm32 -<span id="L238" class="LineNr">238 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> -<span id="L239" class="LineNr">239 </span> b8/copy-to-EAX <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L240" class="LineNr">240 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> -<span id="L241" class="LineNr">241 </span> <span class="subxS2Comment"># . . call</span> -<span id="L242" class="LineNr">242 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L243" class="LineNr">243 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L244" class="LineNr">244 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L245" class="LineNr">245 </span> <span class="subxComment"># end</span> -<span id="L246" class="LineNr">246 </span> c3/return -<span id="L247" class="LineNr">247 </span> -<span id="L248" class="LineNr">248 </span><span class="subxTest">test-skip-chars-matching-none</span>: -<span id="L249" class="LineNr">249 </span> <span class="subxComment"># setup</span> -<span id="L250" class="LineNr">250 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L251" class="LineNr">251 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L252" class="LineNr">252 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L253" class="LineNr">253 </span> <span class="subxS2Comment"># . . call</span> -<span id="L254" class="LineNr">254 </span> e8/call <a href='056write.subx.html#L85'>clear-stream</a>/disp32 -<span id="L255" class="LineNr">255 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L256" class="LineNr">256 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L257" class="LineNr">257 </span> <span class="subxComment"># write(_test-stream, "ab")</span> -<span id="L258" class="LineNr">258 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L259" class="LineNr">259 </span> 68/push <span class="Constant">"ab"</span>/imm32 -<span id="L260" class="LineNr">260 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L261" class="LineNr">261 </span> <span class="subxS2Comment"># . . call</span> -<span id="L262" class="LineNr">262 </span> e8/call <a href='056write.subx.html#L31'>write</a>/disp32 -<span id="L263" class="LineNr">263 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L264" class="LineNr">264 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L265" class="LineNr">265 </span> <span class="subxComment"># skip-chars-matching(_test-stream, 0x20/space)</span> -<span id="L266" class="LineNr">266 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L267" class="LineNr">267 </span> 68/push 0x20/imm32 -<span id="L268" class="LineNr">268 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L269" class="LineNr">269 </span> <span class="subxS2Comment"># . . call</span> -<span id="L270" class="LineNr">270 </span> e8/call <a href='071next-token.subx.html#L166'>skip-chars-matching</a>/disp32 -<span id="L271" class="LineNr">271 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L272" class="LineNr">272 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L273" class="LineNr">273 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 0, msg)</span> -<span id="L274" class="LineNr">274 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L275" class="LineNr">275 </span> 68/push <span class="Constant">"F - test-skip-chars-matching-none"</span>/imm32 -<span id="L276" class="LineNr">276 </span> 68/push 0/imm32 -<span id="L277" class="LineNr">277 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> -<span id="L278" class="LineNr">278 </span> b8/copy-to-EAX <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L279" class="LineNr">279 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> -<span id="L280" class="LineNr">280 </span> <span class="subxS2Comment"># . . call</span> -<span id="L281" class="LineNr">281 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L282" class="LineNr">282 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L283" class="LineNr">283 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L284" class="LineNr">284 </span> <span class="subxComment"># end</span> -<span id="L285" class="LineNr">285 </span> c3/return -<span id="L286" class="LineNr">286 </span> -<span id="L287" class="LineNr">287 </span><span class="subxComment"># minor fork of 'skip-chars-matching'</span> -<span id="L288" class="LineNr">288 </span><span class="subxFunction">skip-chars-not-matching</span>: <span class="subxComment"># in : (address stream), delimiter : byte</span> -<span id="L289" class="LineNr">289 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L290" class="LineNr">290 </span> 55/push-EBP -<span id="L291" class="LineNr">291 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L292" class="LineNr">292 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L293" class="LineNr">293 </span> 50/push-EAX -<span id="L294" class="LineNr">294 </span> 51/push-ECX -<span id="L295" class="LineNr">295 </span> 52/push-EDX -<span id="L296" class="LineNr">296 </span> 56/push-ESI -<span id="L297" class="LineNr">297 </span> <span class="subxComment"># ESI = in</span> -<span id="L298" class="LineNr">298 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L299" class="LineNr">299 </span> <span class="subxComment"># ECX = in->read</span> -<span id="L300" class="LineNr">300 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> -<span id="L301" class="LineNr">301 </span> <span class="subxComment"># EBX = in->write</span> -<span id="L302" class="LineNr">302 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EBX</span> -<span id="L303" class="LineNr">303 </span> <span class="subxComment"># EDX = delimiter</span> -<span id="L304" class="LineNr">304 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDX</span> -<span id="L305" class="LineNr">305 </span><span class="Constant">$skip-chars-not-matching:loop</span>: -<span id="L306" class="LineNr">306 </span> <span class="subxComment"># if (in->read >= in->write) break</span> -<span id="L307" class="LineNr">307 </span> 3b/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with *EBX</span> -<span id="L308" class="LineNr">308 </span> 7d/jump-if-greater-or-equal $skip-chars-not-matching:end/disp8 -<span id="L309" class="LineNr">309 </span> <span class="subxComment"># EAX = in->data[in->read]</span> -<span id="L310" class="LineNr">310 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L311" class="LineNr">311 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+12) to AL</span> -<span id="L312" class="LineNr">312 </span> <span class="subxComment"># if (EAX == delimiter) break</span> -<span id="L313" class="LineNr">313 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and EDX</span> -<span id="L314" class="LineNr">314 </span> 74/jump-if-equal $skip-chars-not-matching:end/disp8 -<span id="L315" class="LineNr">315 </span> <span class="subxComment"># ++in->read</span> -<span id="L316" class="LineNr">316 </span> 41/inc-ECX -<span id="L317" class="LineNr">317 </span> eb/jump $skip-chars-not-matching:loop/disp8 -<span id="L318" class="LineNr">318 </span><span class="Constant">$skip-chars-not-matching:end</span>: -<span id="L319" class="LineNr">319 </span> <span class="subxComment"># persist in->read</span> -<span id="L320" class="LineNr">320 </span> 89/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(ESI+4)</span> -<span id="L321" class="LineNr">321 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L322" class="LineNr">322 </span> 5e/pop-to-ESI -<span id="L323" class="LineNr">323 </span> 5a/pop-to-EDX -<span id="L324" class="LineNr">324 </span> 59/pop-to-ECX -<span id="L325" class="LineNr">325 </span> 58/pop-to-EAX -<span id="L326" class="LineNr">326 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L327" class="LineNr">327 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L328" class="LineNr">328 </span> 5d/pop-to-EBP -<span id="L329" class="LineNr">329 </span> c3/return -<span id="L330" class="LineNr">330 </span> -<span id="L331" class="LineNr">331 </span><span class="subxTest">test-skip-chars-not-matching</span>: -<span id="L332" class="LineNr">332 </span> <span class="subxComment"># setup</span> -<span id="L333" class="LineNr">333 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L334" class="LineNr">334 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L335" class="LineNr">335 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L336" class="LineNr">336 </span> <span class="subxS2Comment"># . . call</span> -<span id="L337" class="LineNr">337 </span> e8/call <a href='056write.subx.html#L85'>clear-stream</a>/disp32 -<span id="L338" class="LineNr">338 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L339" class="LineNr">339 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L340" class="LineNr">340 </span> <span class="subxComment"># write(_test-stream, "ab ")</span> -<span id="L341" class="LineNr">341 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L342" class="LineNr">342 </span> 68/push <span class="Constant">"ab "</span>/imm32 -<span id="L343" class="LineNr">343 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L344" class="LineNr">344 </span> <span class="subxS2Comment"># . . call</span> -<span id="L345" class="LineNr">345 </span> e8/call <a href='056write.subx.html#L31'>write</a>/disp32 -<span id="L346" class="LineNr">346 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L347" class="LineNr">347 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L348" class="LineNr">348 </span> <span class="subxComment"># skip-chars-not-matching(_test-stream, 0x20/space)</span> -<span id="L349" class="LineNr">349 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L350" class="LineNr">350 </span> 68/push 0x20/imm32 -<span id="L351" class="LineNr">351 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L352" class="LineNr">352 </span> <span class="subxS2Comment"># . . call</span> -<span id="L353" class="LineNr">353 </span> e8/call <a href='071next-token.subx.html#L288'>skip-chars-not-matching</a>/disp32 -<span id="L354" class="LineNr">354 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L355" class="LineNr">355 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L356" class="LineNr">356 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> -<span id="L357" class="LineNr">357 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L358" class="LineNr">358 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching"</span>/imm32 -<span id="L359" class="LineNr">359 </span> 68/push 2/imm32 -<span id="L360" class="LineNr">360 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> -<span id="L361" class="LineNr">361 </span> b8/copy-to-EAX <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L362" class="LineNr">362 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> -<span id="L363" class="LineNr">363 </span> <span class="subxS2Comment"># . . call</span> -<span id="L364" class="LineNr">364 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L365" class="LineNr">365 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L366" class="LineNr">366 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L367" class="LineNr">367 </span> <span class="subxComment"># end</span> -<span id="L368" class="LineNr">368 </span> c3/return -<span id="L369" class="LineNr">369 </span> -<span id="L370" class="LineNr">370 </span><span class="subxTest">test-skip-chars-not-matching-none</span>: -<span id="L371" class="LineNr">371 </span> <span class="subxComment"># setup</span> -<span id="L372" class="LineNr">372 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L373" class="LineNr">373 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L374" class="LineNr">374 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L375" class="LineNr">375 </span> <span class="subxS2Comment"># . . call</span> -<span id="L376" class="LineNr">376 </span> e8/call <a href='056write.subx.html#L85'>clear-stream</a>/disp32 -<span id="L377" class="LineNr">377 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L378" class="LineNr">378 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L379" class="LineNr">379 </span> <span class="subxComment"># write(_test-stream, " ab")</span> -<span id="L380" class="LineNr">380 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L381" class="LineNr">381 </span> 68/push <span class="Constant">" ab"</span>/imm32 -<span id="L382" class="LineNr">382 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L383" class="LineNr">383 </span> <span class="subxS2Comment"># . . call</span> -<span id="L384" class="LineNr">384 </span> e8/call <a href='056write.subx.html#L31'>write</a>/disp32 -<span id="L385" class="LineNr">385 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L386" class="LineNr">386 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L387" class="LineNr">387 </span> <span class="subxComment"># skip-chars-not-matching(_test-stream, 0x20/space)</span> -<span id="L388" class="LineNr">388 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L389" class="LineNr">389 </span> 68/push 0x20/imm32 -<span id="L390" class="LineNr">390 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L391" class="LineNr">391 </span> <span class="subxS2Comment"># . . call</span> -<span id="L392" class="LineNr">392 </span> e8/call <a href='071next-token.subx.html#L288'>skip-chars-not-matching</a>/disp32 -<span id="L393" class="LineNr">393 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L394" class="LineNr">394 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L395" class="LineNr">395 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 0, msg)</span> -<span id="L396" class="LineNr">396 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L397" class="LineNr">397 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-none"</span>/imm32 -<span id="L398" class="LineNr">398 </span> 68/push 0/imm32 -<span id="L399" class="LineNr">399 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> -<span id="L400" class="LineNr">400 </span> b8/copy-to-EAX <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L401" class="LineNr">401 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> -<span id="L402" class="LineNr">402 </span> <span class="subxS2Comment"># . . call</span> -<span id="L403" class="LineNr">403 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L404" class="LineNr">404 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L405" class="LineNr">405 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L406" class="LineNr">406 </span> <span class="subxComment"># end</span> -<span id="L407" class="LineNr">407 </span> c3/return -<span id="L408" class="LineNr">408 </span> -<span id="L409" class="LineNr">409 </span><span class="subxTest">test-skip-chars-not-matching-all</span>: -<span id="L410" class="LineNr">410 </span> <span class="subxComment"># setup</span> -<span id="L411" class="LineNr">411 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L412" class="LineNr">412 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L413" class="LineNr">413 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L414" class="LineNr">414 </span> <span class="subxS2Comment"># . . call</span> -<span id="L415" class="LineNr">415 </span> e8/call <a href='056write.subx.html#L85'>clear-stream</a>/disp32 -<span id="L416" class="LineNr">416 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L417" class="LineNr">417 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L418" class="LineNr">418 </span> <span class="subxComment"># write(_test-stream, "ab")</span> -<span id="L419" class="LineNr">419 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L420" class="LineNr">420 </span> 68/push <span class="Constant">"ab"</span>/imm32 -<span id="L421" class="LineNr">421 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L422" class="LineNr">422 </span> <span class="subxS2Comment"># . . call</span> -<span id="L423" class="LineNr">423 </span> e8/call <a href='056write.subx.html#L31'>write</a>/disp32 -<span id="L424" class="LineNr">424 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L425" class="LineNr">425 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L426" class="LineNr">426 </span> <span class="subxComment"># skip-chars-not-matching(_test-stream, 0x20/space)</span> -<span id="L427" class="LineNr">427 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L428" class="LineNr">428 </span> 68/push 0x20/imm32 -<span id="L429" class="LineNr">429 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L430" class="LineNr">430 </span> <span class="subxS2Comment"># . . call</span> -<span id="L431" class="LineNr">431 </span> e8/call <a href='071next-token.subx.html#L288'>skip-chars-not-matching</a>/disp32 -<span id="L432" class="LineNr">432 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L433" class="LineNr">433 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L434" class="LineNr">434 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> -<span id="L435" class="LineNr">435 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L436" class="LineNr">436 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-all"</span>/imm32 -<span id="L437" class="LineNr">437 </span> 68/push 2/imm32 -<span id="L438" class="LineNr">438 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> -<span id="L439" class="LineNr">439 </span> b8/copy-to-EAX <a href='056write.subx.html#L193'>_test-stream</a>/imm32 -<span id="L440" class="LineNr">440 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> -<span id="L441" class="LineNr">441 </span> <span class="subxS2Comment"># . . call</span> -<span id="L442" class="LineNr">442 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L443" class="LineNr">443 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L444" class="LineNr">444 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L445" class="LineNr">445 </span> <span class="subxComment"># end</span> -<span id="L446" class="LineNr">446 </span> c3/return -<span id="L447" class="LineNr">447 </span> -<span id="L448" class="LineNr">448 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L7" class="LineNr"> 7 </span><span class="CommentedCode">#? e8/call test-skip-chars-matching-in-slice/disp32</span> +<span id="L8" class="LineNr"> 8 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> +<span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> +<span id="L10" class="LineNr"> 10 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> +<span id="L11" class="LineNr"> 11 </span> b8/copy-to-EAX 1/imm32/exit +<span id="L12" class="LineNr"> 12 </span> cd/syscall 0x80/imm8 +<span id="L13" class="LineNr"> 13 </span> +<span id="L14" class="LineNr"> 14 </span><span class="subxComment"># extract the next run of characters that are different from a given 'delimiter' (skipping multiple delimiters if necessary)</span> +<span id="L15" class="LineNr"> 15 </span><span class="subxComment"># on eof return an empty interval</span> +<span id="L16" class="LineNr"> 16 </span><span class="subxFunction">next-token</span>: <span class="subxComment"># in : (address stream), delimiter : byte, out : (address slice)</span> +<span id="L17" class="LineNr"> 17 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L18" class="LineNr"> 18 </span> 55/push-EBP +<span id="L19" class="LineNr"> 19 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L20" class="LineNr"> 20 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L21" class="LineNr"> 21 </span> 50/push-EAX +<span id="L22" class="LineNr"> 22 </span> 51/push-ECX +<span id="L23" class="LineNr"> 23 </span> 56/push-ESI +<span id="L24" class="LineNr"> 24 </span> 57/push-EDI +<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># ESI = in</span> +<span id="L26" class="LineNr"> 26 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># EDI = out</span> +<span id="L28" class="LineNr"> 28 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDI</span> +<span id="L29" class="LineNr"> 29 </span> <span class="subxComment"># skip-chars-matching(in, delimiter)</span> +<span id="L30" class="LineNr"> 30 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L31" class="LineNr"> 31 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L32" class="LineNr"> 32 </span> 56/push-ESI +<span id="L33" class="LineNr"> 33 </span> <span class="subxS2Comment"># . . call</span> +<span id="L34" class="LineNr"> 34 </span> e8/call <a href='071next-token.subx.html#L352'>skip-chars-matching</a>/disp32 +<span id="L35" class="LineNr"> 35 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L36" class="LineNr"> 36 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L37" class="LineNr"> 37 </span> <span class="subxComment"># out->start = &in->data[in->read]</span> +<span id="L38" class="LineNr"> 38 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> +<span id="L39" class="LineNr"> 39 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+ECX+12 to EAX</span> +<span id="L40" class="LineNr"> 40 </span> 89/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *EDI</span> +<span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># skip-chars-not-matching(in, delimiter)</span> +<span id="L42" class="LineNr"> 42 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L43" class="LineNr"> 43 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L44" class="LineNr"> 44 </span> 56/push-ESI +<span id="L45" class="LineNr"> 45 </span> <span class="subxS2Comment"># . . call</span> +<span id="L46" class="LineNr"> 46 </span> e8/call <a href='071next-token.subx.html#L474'>skip-chars-not-matching</a>/disp32 +<span id="L47" class="LineNr"> 47 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L48" class="LineNr"> 48 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L49" class="LineNr"> 49 </span> <span class="subxComment"># out->end = &in->data[in->read]</span> +<span id="L50" class="LineNr"> 50 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> +<span id="L51" class="LineNr"> 51 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+ECX+12 to EAX</span> +<span id="L52" class="LineNr"> 52 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *(EDI+4)</span> +<span id="L53" class="LineNr"> 53 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L54" class="LineNr"> 54 </span> 5f/pop-to-EDI +<span id="L55" class="LineNr"> 55 </span> 5e/pop-to-ESI +<span id="L56" class="LineNr"> 56 </span> 59/pop-to-ECX +<span id="L57" class="LineNr"> 57 </span> 58/pop-to-EAX +<span id="L58" class="LineNr"> 58 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L59" class="LineNr"> 59 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L60" class="LineNr"> 60 </span> 5d/pop-to-EBP +<span id="L61" class="LineNr"> 61 </span> c3/return +<span id="L62" class="LineNr"> 62 </span> +<span id="L63" class="LineNr"> 63 </span><span class="subxTest">test-next-token</span>: +<span id="L64" class="LineNr"> 64 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L65" class="LineNr"> 65 </span> 55/push-EBP +<span id="L66" class="LineNr"> 66 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L67" class="LineNr"> 67 </span> <span class="subxComment"># setup</span> +<span id="L68" class="LineNr"> 68 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L69" class="LineNr"> 69 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L70" class="LineNr"> 70 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L71" class="LineNr"> 71 </span> <span class="subxS2Comment"># . . call</span> +<span id="L72" class="LineNr"> 72 </span> e8/call <a href='056write.subx.html#L85'>clear-stream</a>/disp32 +<span id="L73" class="LineNr"> 73 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L74" class="LineNr"> 74 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># var slice/ECX = {0, 0}</span> +<span id="L76" class="LineNr"> 76 </span> 68/push 0/imm32/end +<span id="L77" class="LineNr"> 77 </span> 68/push 0/imm32/start +<span id="L78" class="LineNr"> 78 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># write(_test-stream, " ab")</span> +<span id="L80" class="LineNr"> 80 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L81" class="LineNr"> 81 </span> 68/push <span class="Constant">" ab"</span>/imm32 +<span id="L82" class="LineNr"> 82 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L83" class="LineNr"> 83 </span> <span class="subxS2Comment"># . . call</span> +<span id="L84" class="LineNr"> 84 </span> e8/call <a href='056write.subx.html#L31'>write</a>/disp32 +<span id="L85" class="LineNr"> 85 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L86" class="LineNr"> 86 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L87" class="LineNr"> 87 </span> <span class="subxComment"># next-token(_test-stream, 0x20/space, slice)</span> +<span id="L88" class="LineNr"> 88 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L89" class="LineNr"> 89 </span> 51/push-ECX +<span id="L90" class="LineNr"> 90 </span> 68/push 0x20/imm32 +<span id="L91" class="LineNr"> 91 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L92" class="LineNr"> 92 </span> <span class="subxS2Comment"># . . call</span> +<span id="L93" class="LineNr"> 93 </span> e8/call <a href='071next-token.subx.html#L16'>next-token</a>/disp32 +<span id="L94" class="LineNr"> 94 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L95" class="LineNr"> 95 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L96" class="LineNr"> 96 </span> <span class="subxComment"># check-ints-equal(slice->start - _test-stream->data, 2, msg)</span> +<span id="L97" class="LineNr"> 97 </span> <span class="subxS1Comment"># . check-ints-equal(slice->start - _test-stream, 14, msg)</span> +<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L99" class="LineNr"> 99 </span> 68/push <span class="Constant">"F - <a href='071next-token.subx.html#L63'>test-next-token</a>: start"</span>/imm32 +<span id="L100" class="LineNr">100 </span> 68/push 0xe/imm32 +<span id="L101" class="LineNr">101 </span> <span class="subxS2Comment"># . . push slice->start - _test-stream</span> +<span id="L102" class="LineNr">102 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EAX</span> +<span id="L103" class="LineNr">103 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='056write.subx.html#L193'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> +<span id="L104" class="LineNr">104 </span> 50/push-EAX +<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . call</span> +<span id="L106" class="LineNr">106 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L108" class="LineNr">108 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L109" class="LineNr">109 </span> <span class="subxComment"># check-ints-equal(slice->end - _test-stream->data, 4, msg)</span> +<span id="L110" class="LineNr">110 </span> <span class="subxS1Comment"># . check-ints-equal(slice->end - _test-stream, 16, msg)</span> +<span id="L111" class="LineNr">111 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L112" class="LineNr">112 </span> 68/push <span class="Constant">"F - <a href='071next-token.subx.html#L63'>test-next-token</a>: end"</span>/imm32 +<span id="L113" class="LineNr">113 </span> 68/push 0x10/imm32 +<span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . push slice->end - _test-stream</span> +<span id="L115" class="LineNr">115 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+4) to EAX</span> +<span id="L116" class="LineNr">116 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='056write.subx.html#L193'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> +<span id="L117" class="LineNr">117 </span> 50/push-EAX +<span id="L118" class="LineNr">118 </span> <span class="subxS2Comment"># . . call</span> +<span id="L119" class="LineNr">119 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L120" class="LineNr">120 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L121" class="LineNr">121 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L122" class="LineNr">122 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L123" class="LineNr">123 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L124" class="LineNr">124 </span> 5d/pop-to-EBP +<span id="L125" class="LineNr">125 </span> c3/return +<span id="L126" class="LineNr">126 </span> +<span id="L127" class="LineNr">127 </span><span class="subxTest">test-next-token-eof</span>: +<span id="L128" class="LineNr">128 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L129" class="LineNr">129 </span> 55/push-EBP +<span id="L130" class="LineNr">130 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L131" class="LineNr">131 </span> <span class="subxComment"># setup</span> +<span id="L132" class="LineNr">132 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L133" class="LineNr">133 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L134" class="LineNr">134 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L135" class="LineNr">135 </span> <span class="subxS2Comment"># . . call</span> +<span id="L136" class="LineNr">136 </span> e8/call <a href='056write.subx.html#L85'>clear-stream</a>/disp32 +<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L138" class="LineNr">138 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L139" class="LineNr">139 </span> <span class="subxComment"># var slice/ECX = {0, 0}</span> +<span id="L140" class="LineNr">140 </span> 68/push 0/imm32/end +<span id="L141" class="LineNr">141 </span> 68/push 0/imm32/start +<span id="L142" class="LineNr">142 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L143" class="LineNr">143 </span> <span class="subxComment"># write nothing to _test-stream</span> +<span id="L144" class="LineNr">144 </span> <span class="subxComment"># next-token(_test-stream, 0x20/space, slice)</span> +<span id="L145" class="LineNr">145 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L146" class="LineNr">146 </span> 51/push-ECX +<span id="L147" class="LineNr">147 </span> 68/push 0x20/imm32 +<span id="L148" class="LineNr">148 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L149" class="LineNr">149 </span> <span class="subxS2Comment"># . . call</span> +<span id="L150" class="LineNr">150 </span> e8/call <a href='071next-token.subx.html#L16'>next-token</a>/disp32 +<span id="L151" class="LineNr">151 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L152" class="LineNr">152 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L153" class="LineNr">153 </span> <span class="subxComment"># check-ints-equal(slice->end, slice->start, msg)</span> +<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L155" class="LineNr">155 </span> 68/push <span class="Constant">"F - test-next-token-eof"</span>/imm32 +<span id="L156" class="LineNr">156 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> +<span id="L157" class="LineNr">157 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ECX</span> +<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . call</span> +<span id="L159" class="LineNr">159 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L161" class="LineNr">161 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L162" class="LineNr">162 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L163" class="LineNr">163 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L164" class="LineNr">164 </span> 5d/pop-to-EBP +<span id="L165" class="LineNr">165 </span> c3/return +<span id="L166" class="LineNr">166 </span> +<span id="L167" class="LineNr">167 </span><span class="subxComment"># extract the next run of characters that are different from a given 'delimiter' (skipping multiple delimiters if necessary)</span> +<span id="L168" class="LineNr">168 </span><span class="subxComment"># on eof return an empty interval</span> +<span id="L169" class="LineNr">169 </span><span class="subxFunction">next-token-from-slice</span>: <span class="subxComment"># in : (address slice), delimiter : byte, out : (address slice)</span> +<span id="L170" class="LineNr">170 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L171" class="LineNr">171 </span> 55/push-EBP +<span id="L172" class="LineNr">172 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L173" class="LineNr">173 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L174" class="LineNr">174 </span> 50/push-EAX +<span id="L175" class="LineNr">175 </span> 56/push-ESI +<span id="L176" class="LineNr">176 </span> 57/push-EDI +<span id="L177" class="LineNr">177 </span> <span class="subxComment"># ESI = in</span> +<span id="L178" class="LineNr">178 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L179" class="LineNr">179 </span> <span class="subxComment"># EDI = out</span> +<span id="L180" class="LineNr">180 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDI</span> +<span id="L181" class="LineNr">181 </span> <span class="subxComment"># EAX = skip-chars-matching-in-slice(in->start, in->end, delimiter)</span> +<span id="L182" class="LineNr">182 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L183" class="LineNr">183 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L184" class="LineNr">184 </span> ff 6/subop/push 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ESI+4)</span> +<span id="L185" class="LineNr">185 </span> ff 6/subop/push 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ESI</span> +<span id="L186" class="LineNr">186 </span> <span class="subxS2Comment"># . . call</span> +<span id="L187" class="LineNr">187 </span> e8/call <a href='071next-token.subx.html#L634'>skip-chars-matching-in-slice</a>/disp32 +<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L189" class="LineNr">189 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L190" class="LineNr">190 </span> <span class="subxComment"># out->start = EAX</span> +<span id="L191" class="LineNr">191 </span> 89/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *EDI</span> +<span id="L192" class="LineNr">192 </span> <span class="subxComment"># EAX = skip-chars-not-matching-in-slice(EAX, in->end, delimiter)</span> +<span id="L193" class="LineNr">193 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L194" class="LineNr">194 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L195" class="LineNr">195 </span> ff 6/subop/push 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ESI+4)</span> +<span id="L196" class="LineNr">196 </span> 50/push-EAX +<span id="L197" class="LineNr">197 </span> <span class="subxS2Comment"># . . call</span> +<span id="L198" class="LineNr">198 </span> e8/call <a href='071next-token.subx.html#L730'>skip-chars-not-matching-in-slice</a>/disp32 +<span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L200" class="LineNr">200 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L201" class="LineNr">201 </span> <span class="subxComment"># out->end = EAX</span> +<span id="L202" class="LineNr">202 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *(EDI+4)</span> +<span id="L203" class="LineNr">203 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L204" class="LineNr">204 </span> 5f/pop-to-EDI +<span id="L205" class="LineNr">205 </span> 5e/pop-to-ESI +<span id="L206" class="LineNr">206 </span> 58/pop-to-EAX +<span id="L207" class="LineNr">207 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L208" class="LineNr">208 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L209" class="LineNr">209 </span> 5d/pop-to-EBP +<span id="L210" class="LineNr">210 </span> c3/return +<span id="L211" class="LineNr">211 </span> +<span id="L212" class="LineNr">212 </span><span class="subxTest">test-next-token-from-slice</span>: +<span id="L213" class="LineNr">213 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L214" class="LineNr">214 </span> 55/push-EBP +<span id="L215" class="LineNr">215 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L216" class="LineNr">216 </span> <span class="subxComment"># (EAX..ECX) = " ab"</span> +<span id="L217" class="LineNr">217 </span> b8/copy-to-EAX <span class="Constant">" ab"</span>/imm32 +<span id="L218" class="LineNr">218 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L219" class="LineNr">219 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L220" class="LineNr">220 </span> 05/add-to-EAX 4/imm32 +<span id="L221" class="LineNr">221 </span> <span class="subxComment"># var in/ESI : (address slice) = {EAX, ECX}</span> +<span id="L222" class="LineNr">222 </span> 51/push-ECX +<span id="L223" class="LineNr">223 </span> 50/push-EAX +<span id="L224" class="LineNr">224 </span> 89/copy 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ESI</span> +<span id="L225" class="LineNr">225 </span> <span class="subxComment"># var out/EDI : (address slice) = {0, 0}</span> +<span id="L226" class="LineNr">226 </span> 68/push 0/imm32/end +<span id="L227" class="LineNr">227 </span> 68/push 0/imm32/start +<span id="L228" class="LineNr">228 </span> 89/copy 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EDI</span> +<span id="L229" class="LineNr">229 </span> <span class="subxComment"># next-token-from-slice(in, 0x20/space, out)</span> +<span id="L230" class="LineNr">230 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L231" class="LineNr">231 </span> 57/push-EDI +<span id="L232" class="LineNr">232 </span> 68/push 0x20/imm32 +<span id="L233" class="LineNr">233 </span> 56/push-ESI +<span id="L234" class="LineNr">234 </span> <span class="subxS2Comment"># . . call</span> +<span id="L235" class="LineNr">235 </span> e8/call <a href='071next-token.subx.html#L169'>next-token-from-slice</a>/disp32 +<span id="L236" class="LineNr">236 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L237" class="LineNr">237 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L238" class="LineNr">238 </span> <span class="subxComment"># out->start should be at the 'a'</span> +<span id="L239" class="LineNr">239 </span> <span class="subxS1Comment"># . check-ints-equal(out->start - in->start, 2, msg)</span> +<span id="L240" class="LineNr">240 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L241" class="LineNr">241 </span> 68/push <span class="Constant">"F - <a href='071next-token.subx.html#L212'>test-next-token-from-slice</a>: start"</span>/imm32 +<span id="L242" class="LineNr">242 </span> 68/push 2/imm32 +<span id="L243" class="LineNr">243 </span> <span class="subxS2Comment"># . . push out->start - in->start</span> +<span id="L244" class="LineNr">244 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to ECX</span> +<span id="L245" class="LineNr">245 </span> 2b/subtract 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *ESI from ECX</span> +<span id="L246" class="LineNr">246 </span> 51/push-ECX +<span id="L247" class="LineNr">247 </span> <span class="subxS2Comment"># . . call</span> +<span id="L248" class="LineNr">248 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L249" class="LineNr">249 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L250" class="LineNr">250 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L251" class="LineNr">251 </span> <span class="subxComment"># out->end should be after the 'b'</span> +<span id="L252" class="LineNr">252 </span> <span class="subxComment"># check-ints-equal(out->end - in->start, 4, msg)</span> +<span id="L253" class="LineNr">253 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L254" class="LineNr">254 </span> 68/push <span class="Constant">"F - <a href='071next-token.subx.html#L212'>test-next-token-from-slice</a>: end"</span>/imm32 +<span id="L255" class="LineNr">255 </span> 68/push 4/imm32 +<span id="L256" class="LineNr">256 </span> <span class="subxS2Comment"># . . push out->end - in->start</span> +<span id="L257" class="LineNr">257 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to ECX</span> +<span id="L258" class="LineNr">258 </span> 2b/subtract 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *ESI from ECX</span> +<span id="L259" class="LineNr">259 </span> 51/push-ECX +<span id="L260" class="LineNr">260 </span> <span class="subxS2Comment"># . . call</span> +<span id="L261" class="LineNr">261 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L262" class="LineNr">262 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L263" class="LineNr">263 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L264" class="LineNr">264 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L265" class="LineNr">265 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L266" class="LineNr">266 </span> 5d/pop-to-EBP +<span id="L267" class="LineNr">267 </span> c3/return +<span id="L268" class="LineNr">268 </span> +<span id="L269" class="LineNr">269 </span><span class="subxTest">test-next-token-from-slice-eof</span>: +<span id="L270" class="LineNr">270 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L271" class="LineNr">271 </span> 55/push-EBP +<span id="L272" class="LineNr">272 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L273" class="LineNr">273 </span> <span class="subxComment"># var in/ESI : (address slice) = {0, 0}</span> +<span id="L274" class="LineNr">274 </span> 51/push-ECX +<span id="L275" class="LineNr">275 </span> 50/push-EAX +<span id="L276" class="LineNr">276 </span> 89/copy 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ESI</span> +<span id="L277" class="LineNr">277 </span> <span class="subxComment"># var out/EDI : (address slice) = {0, 0}</span> +<span id="L278" class="LineNr">278 </span> 68/push 0/imm32/end +<span id="L279" class="LineNr">279 </span> 68/push 0/imm32/start +<span id="L280" class="LineNr">280 </span> 89/copy 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EDI</span> +<span id="L281" class="LineNr">281 </span> <span class="subxComment"># next-token-from-slice(in, 0x20/space, out)</span> +<span id="L282" class="LineNr">282 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L283" class="LineNr">283 </span> 57/push-EDI +<span id="L284" class="LineNr">284 </span> 68/push 0x20/imm32 +<span id="L285" class="LineNr">285 </span> 56/push-ESI +<span id="L286" class="LineNr">286 </span> <span class="subxS2Comment"># . . call</span> +<span id="L287" class="LineNr">287 </span> e8/call <a href='071next-token.subx.html#L169'>next-token-from-slice</a>/disp32 +<span id="L288" class="LineNr">288 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L289" class="LineNr">289 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L290" class="LineNr">290 </span> <span class="subxComment"># out should be empty</span> +<span id="L291" class="LineNr">291 </span> <span class="subxS1Comment"># . check-ints-equal(out->end - out->start, 0, msg)</span> +<span id="L292" class="LineNr">292 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L293" class="LineNr">293 </span> 68/push <span class="Constant">"F - test-next-token-from-slice-eof"</span>/imm32 +<span id="L294" class="LineNr">294 </span> 68/push 0/imm32 +<span id="L295" class="LineNr">295 </span> <span class="subxS2Comment"># . . push out->start - in->start</span> +<span id="L296" class="LineNr">296 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to ECX</span> +<span id="L297" class="LineNr">297 </span> 2b/subtract 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *EDI from ECX</span> +<span id="L298" class="LineNr">298 </span> 51/push-ECX +<span id="L299" class="LineNr">299 </span> <span class="subxS2Comment"># . . call</span> +<span id="L300" class="LineNr">300 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L301" class="LineNr">301 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L302" class="LineNr">302 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L303" class="LineNr">303 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L304" class="LineNr">304 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L305" class="LineNr">305 </span> 5d/pop-to-EBP +<span id="L306" class="LineNr">306 </span> c3/return +<span id="L307" class="LineNr">307 </span> +<span id="L308" class="LineNr">308 </span><span class="subxTest">test-next-token-from-slice-nothing</span>: +<span id="L309" class="LineNr">309 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L310" class="LineNr">310 </span> 55/push-EBP +<span id="L311" class="LineNr">311 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L312" class="LineNr">312 </span> <span class="subxComment"># (EAX..ECX) = " "</span> +<span id="L313" class="LineNr">313 </span> b8/copy-to-EAX <span class="Constant">" "</span>/imm32 +<span id="L314" class="LineNr">314 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L315" class="LineNr">315 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L316" class="LineNr">316 </span> 05/add-to-EAX 4/imm32 +<span id="L317" class="LineNr">317 </span> <span class="subxComment"># var in/ESI : (address slice) = {EAX, ECX}</span> +<span id="L318" class="LineNr">318 </span> 51/push-ECX +<span id="L319" class="LineNr">319 </span> 50/push-EAX +<span id="L320" class="LineNr">320 </span> 89/copy 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ESI</span> +<span id="L321" class="LineNr">321 </span> <span class="subxComment"># var out/EDI : (address slice) = {0, 0}</span> +<span id="L322" class="LineNr">322 </span> 68/push 0/imm32/end +<span id="L323" class="LineNr">323 </span> 68/push 0/imm32/start +<span id="L324" class="LineNr">324 </span> 89/copy 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EDI</span> +<span id="L325" class="LineNr">325 </span> <span class="subxComment"># next-token-from-slice(in, 0x20/space, out)</span> +<span id="L326" class="LineNr">326 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L327" class="LineNr">327 </span> 57/push-EDI +<span id="L328" class="LineNr">328 </span> 68/push 0x20/imm32 +<span id="L329" class="LineNr">329 </span> 56/push-ESI +<span id="L330" class="LineNr">330 </span> <span class="subxS2Comment"># . . call</span> +<span id="L331" class="LineNr">331 </span> e8/call <a href='071next-token.subx.html#L169'>next-token-from-slice</a>/disp32 +<span id="L332" class="LineNr">332 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L333" class="LineNr">333 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L334" class="LineNr">334 </span> <span class="subxComment"># out should be empty</span> +<span id="L335" class="LineNr">335 </span> <span class="subxS1Comment"># . check-ints-equal(out->end - out->start, 0, msg)</span> +<span id="L336" class="LineNr">336 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L337" class="LineNr">337 </span> 68/push <span class="Constant">"F - test-next-token-from-slice-eof"</span>/imm32 +<span id="L338" class="LineNr">338 </span> 68/push 0/imm32 +<span id="L339" class="LineNr">339 </span> <span class="subxS2Comment"># . . push out->start - in->start</span> +<span id="L340" class="LineNr">340 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to ECX</span> +<span id="L341" class="LineNr">341 </span> 2b/subtract 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *EDI from ECX</span> +<span id="L342" class="LineNr">342 </span> 51/push-ECX +<span id="L343" class="LineNr">343 </span> <span class="subxS2Comment"># . . call</span> +<span id="L344" class="LineNr">344 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L345" class="LineNr">345 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L346" class="LineNr">346 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L347" class="LineNr">347 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L348" class="LineNr">348 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L349" class="LineNr">349 </span> 5d/pop-to-EBP +<span id="L350" class="LineNr">350 </span> c3/return +<span id="L351" class="LineNr">351 </span> +<span id="L352" class="LineNr">352 </span><span class="subxFunction">skip-chars-matching</span>: <span class="subxComment"># in : (address stream), delimiter : byte</span> +<span id="L353" class="LineNr">353 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L354" class="LineNr">354 </span> 55/push-EBP +<span id="L355" class="LineNr">355 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L356" class="LineNr">356 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L357" class="LineNr">357 </span> 50/push-EAX +<span id="L358" class="LineNr">358 </span> 51/push-ECX +<span id="L359" class="LineNr">359 </span> 52/push-EDX +<span id="L360" class="LineNr">360 </span> 56/push-ESI +<span id="L361" class="LineNr">361 </span> <span class="subxComment"># ESI = in</span> +<span id="L362" class="LineNr">362 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L363" class="LineNr">363 </span> <span class="subxComment"># ECX = in->read</span> +<span id="L364" class="LineNr">364 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> +<span id="L365" class="LineNr">365 </span> <span class="subxComment"># EBX = in->write</span> +<span id="L366" class="LineNr">366 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EBX</span> +<span id="L367" class="LineNr">367 </span> <span class="subxComment"># EDX = delimiter</span> +<span id="L368" class="LineNr">368 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDX</span> +<span id="L369" class="LineNr">369 </span><span class="Constant">$skip-chars-matching:loop</span>: +<span id="L370" class="LineNr">370 </span> <span class="subxComment"># if (in->read >= in->write) break</span> +<span id="L371" class="LineNr">371 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EBX</span> +<span id="L372" class="LineNr">372 </span> 7d/jump-if-greater-or-equal $skip-chars-matching:end/disp8 +<span id="L373" class="LineNr">373 </span> <span class="subxComment"># EAX = in->data[in->read]</span> +<span id="L374" class="LineNr">374 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L375" class="LineNr">375 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+12) to AL</span> +<span id="L376" class="LineNr">376 </span> <span class="subxComment"># if (EAX != delimiter) break</span> +<span id="L377" class="LineNr">377 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and EDX</span> +<span id="L378" class="LineNr">378 </span> 75/jump-if-not-equal $skip-chars-matching:end/disp8 +<span id="L379" class="LineNr">379 </span> <span class="subxComment"># ++in->read</span> +<span id="L380" class="LineNr">380 </span> 41/inc-ECX +<span id="L381" class="LineNr">381 </span> eb/jump $skip-chars-matching:loop/disp8 +<span id="L382" class="LineNr">382 </span><span class="Constant">$skip-chars-matching:end</span>: +<span id="L383" class="LineNr">383 </span> <span class="subxComment"># persist in->read</span> +<span id="L384" class="LineNr">384 </span> 89/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(ESI+4)</span> +<span id="L385" class="LineNr">385 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L386" class="LineNr">386 </span> 5e/pop-to-ESI +<span id="L387" class="LineNr">387 </span> 5a/pop-to-EDX +<span id="L388" class="LineNr">388 </span> 59/pop-to-ECX +<span id="L389" class="LineNr">389 </span> 58/pop-to-EAX +<span id="L390" class="LineNr">390 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L391" class="LineNr">391 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L392" class="LineNr">392 </span> 5d/pop-to-EBP +<span id="L393" class="LineNr">393 </span> c3/return +<span id="L394" class="LineNr">394 </span> +<span id="L395" class="LineNr">395 </span><span class="subxTest">test-skip-chars-matching</span>: +<span id="L396" class="LineNr">396 </span> <span class="subxComment"># setup</span> +<span id="L397" class="LineNr">397 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L398" class="LineNr">398 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L399" class="LineNr">399 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L400" class="LineNr">400 </span> <span class="subxS2Comment"># . . call</span> +<span id="L401" class="LineNr">401 </span> e8/call <a href='056write.subx.html#L85'>clear-stream</a>/disp32 +<span id="L402" class="LineNr">402 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L403" class="LineNr">403 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L404" class="LineNr">404 </span> <span class="subxComment"># write(_test-stream, " ab")</span> +<span id="L405" class="LineNr">405 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L406" class="LineNr">406 </span> 68/push <span class="Constant">" ab"</span>/imm32 +<span id="L407" class="LineNr">407 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L408" class="LineNr">408 </span> <span class="subxS2Comment"># . . call</span> +<span id="L409" class="LineNr">409 </span> e8/call <a href='056write.subx.html#L31'>write</a>/disp32 +<span id="L410" class="LineNr">410 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L411" class="LineNr">411 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L412" class="LineNr">412 </span> <span class="subxComment"># skip-chars-matching(_test-stream, 0x20/space)</span> +<span id="L413" class="LineNr">413 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L414" class="LineNr">414 </span> 68/push 0x20/imm32 +<span id="L415" class="LineNr">415 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L416" class="LineNr">416 </span> <span class="subxS2Comment"># . . call</span> +<span id="L417" class="LineNr">417 </span> e8/call <a href='071next-token.subx.html#L352'>skip-chars-matching</a>/disp32 +<span id="L418" class="LineNr">418 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L419" class="LineNr">419 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L420" class="LineNr">420 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> +<span id="L421" class="LineNr">421 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L422" class="LineNr">422 </span> 68/push <span class="Constant">"F - test-skip-chars-matching"</span>/imm32 +<span id="L423" class="LineNr">423 </span> 68/push 2/imm32 +<span id="L424" class="LineNr">424 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L425" class="LineNr">425 </span> b8/copy-to-EAX <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L426" class="LineNr">426 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> +<span id="L427" class="LineNr">427 </span> <span class="subxS2Comment"># . . call</span> +<span id="L428" class="LineNr">428 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L429" class="LineNr">429 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L430" class="LineNr">430 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L431" class="LineNr">431 </span> <span class="subxComment"># end</span> +<span id="L432" class="LineNr">432 </span> c3/return +<span id="L433" class="LineNr">433 </span> +<span id="L434" class="LineNr">434 </span><span class="subxTest">test-skip-chars-matching-none</span>: +<span id="L435" class="LineNr">435 </span> <span class="subxComment"># setup</span> +<span id="L436" class="LineNr">436 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L437" class="LineNr">437 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L438" class="LineNr">438 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L439" class="LineNr">439 </span> <span class="subxS2Comment"># . . call</span> +<span id="L440" class="LineNr">440 </span> e8/call <a href='056write.subx.html#L85'>clear-stream</a>/disp32 +<span id="L441" class="LineNr">441 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L442" class="LineNr">442 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L443" class="LineNr">443 </span> <span class="subxComment"># write(_test-stream, "ab")</span> +<span id="L444" class="LineNr">444 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L445" class="LineNr">445 </span> 68/push <span class="Constant">"ab"</span>/imm32 +<span id="L446" class="LineNr">446 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L447" class="LineNr">447 </span> <span class="subxS2Comment"># . . call</span> +<span id="L448" class="LineNr">448 </span> e8/call <a href='056write.subx.html#L31'>write</a>/disp32 +<span id="L449" class="LineNr">449 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L450" class="LineNr">450 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L451" class="LineNr">451 </span> <span class="subxComment"># skip-chars-matching(_test-stream, 0x20/space)</span> +<span id="L452" class="LineNr">452 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L453" class="LineNr">453 </span> 68/push 0x20/imm32 +<span id="L454" class="LineNr">454 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L455" class="LineNr">455 </span> <span class="subxS2Comment"># . . call</span> +<span id="L456" class="LineNr">456 </span> e8/call <a href='071next-token.subx.html#L352'>skip-chars-matching</a>/disp32 +<span id="L457" class="LineNr">457 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L458" class="LineNr">458 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L459" class="LineNr">459 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 0, msg)</span> +<span id="L460" class="LineNr">460 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L461" class="LineNr">461 </span> 68/push <span class="Constant">"F - test-skip-chars-matching-none"</span>/imm32 +<span id="L462" class="LineNr">462 </span> 68/push 0/imm32 +<span id="L463" class="LineNr">463 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L464" class="LineNr">464 </span> b8/copy-to-EAX <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L465" class="LineNr">465 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> +<span id="L466" class="LineNr">466 </span> <span class="subxS2Comment"># . . call</span> +<span id="L467" class="LineNr">467 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L468" class="LineNr">468 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L469" class="LineNr">469 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L470" class="LineNr">470 </span> <span class="subxComment"># end</span> +<span id="L471" class="LineNr">471 </span> c3/return +<span id="L472" class="LineNr">472 </span> +<span id="L473" class="LineNr">473 </span><span class="subxComment"># minor fork of 'skip-chars-matching'</span> +<span id="L474" class="LineNr">474 </span><span class="subxFunction">skip-chars-not-matching</span>: <span class="subxComment"># in : (address stream), delimiter : byte</span> +<span id="L475" class="LineNr">475 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L476" class="LineNr">476 </span> 55/push-EBP +<span id="L477" class="LineNr">477 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L478" class="LineNr">478 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L479" class="LineNr">479 </span> 50/push-EAX +<span id="L480" class="LineNr">480 </span> 51/push-ECX +<span id="L481" class="LineNr">481 </span> 52/push-EDX +<span id="L482" class="LineNr">482 </span> 56/push-ESI +<span id="L483" class="LineNr">483 </span> <span class="subxComment"># ESI = in</span> +<span id="L484" class="LineNr">484 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L485" class="LineNr">485 </span> <span class="subxComment"># ECX = in->read</span> +<span id="L486" class="LineNr">486 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> +<span id="L487" class="LineNr">487 </span> <span class="subxComment"># EBX = in->write</span> +<span id="L488" class="LineNr">488 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EBX</span> +<span id="L489" class="LineNr">489 </span> <span class="subxComment"># EDX = delimiter</span> +<span id="L490" class="LineNr">490 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDX</span> +<span id="L491" class="LineNr">491 </span><span class="Constant">$skip-chars-not-matching:loop</span>: +<span id="L492" class="LineNr">492 </span> <span class="subxComment"># if (in->read >= in->write) break</span> +<span id="L493" class="LineNr">493 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EBX</span> +<span id="L494" class="LineNr">494 </span> 7d/jump-if-greater-or-equal $skip-chars-not-matching:end/disp8 +<span id="L495" class="LineNr">495 </span> <span class="subxComment"># EAX = in->data[in->read]</span> +<span id="L496" class="LineNr">496 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L497" class="LineNr">497 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+12) to AL</span> +<span id="L498" class="LineNr">498 </span> <span class="subxComment"># if (EAX == delimiter) break</span> +<span id="L499" class="LineNr">499 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and EDX</span> +<span id="L500" class="LineNr">500 </span> 74/jump-if-equal $skip-chars-not-matching:end/disp8 +<span id="L501" class="LineNr">501 </span> <span class="subxComment"># ++in->read</span> +<span id="L502" class="LineNr">502 </span> 41/inc-ECX +<span id="L503" class="LineNr">503 </span> eb/jump $skip-chars-not-matching:loop/disp8 +<span id="L504" class="LineNr">504 </span><span class="Constant">$skip-chars-not-matching:end</span>: +<span id="L505" class="LineNr">505 </span> <span class="subxComment"># persist in->read</span> +<span id="L506" class="LineNr">506 </span> 89/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(ESI+4)</span> +<span id="L507" class="LineNr">507 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L508" class="LineNr">508 </span> 5e/pop-to-ESI +<span id="L509" class="LineNr">509 </span> 5a/pop-to-EDX +<span id="L510" class="LineNr">510 </span> 59/pop-to-ECX +<span id="L511" class="LineNr">511 </span> 58/pop-to-EAX +<span id="L512" class="LineNr">512 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L513" class="LineNr">513 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L514" class="LineNr">514 </span> 5d/pop-to-EBP +<span id="L515" class="LineNr">515 </span> c3/return +<span id="L516" class="LineNr">516 </span> +<span id="L517" class="LineNr">517 </span><span class="subxTest">test-skip-chars-not-matching</span>: +<span id="L518" class="LineNr">518 </span> <span class="subxComment"># setup</span> +<span id="L519" class="LineNr">519 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L520" class="LineNr">520 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L521" class="LineNr">521 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L522" class="LineNr">522 </span> <span class="subxS2Comment"># . . call</span> +<span id="L523" class="LineNr">523 </span> e8/call <a href='056write.subx.html#L85'>clear-stream</a>/disp32 +<span id="L524" class="LineNr">524 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L525" class="LineNr">525 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L526" class="LineNr">526 </span> <span class="subxComment"># write(_test-stream, "ab ")</span> +<span id="L527" class="LineNr">527 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L528" class="LineNr">528 </span> 68/push <span class="Constant">"ab "</span>/imm32 +<span id="L529" class="LineNr">529 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L530" class="LineNr">530 </span> <span class="subxS2Comment"># . . call</span> +<span id="L531" class="LineNr">531 </span> e8/call <a href='056write.subx.html#L31'>write</a>/disp32 +<span id="L532" class="LineNr">532 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L533" class="LineNr">533 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L534" class="LineNr">534 </span> <span class="subxComment"># skip-chars-not-matching(_test-stream, 0x20/space)</span> +<span id="L535" class="LineNr">535 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L536" class="LineNr">536 </span> 68/push 0x20/imm32 +<span id="L537" class="LineNr">537 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L538" class="LineNr">538 </span> <span class="subxS2Comment"># . . call</span> +<span id="L539" class="LineNr">539 </span> e8/call <a href='071next-token.subx.html#L474'>skip-chars-not-matching</a>/disp32 +<span id="L540" class="LineNr">540 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L541" class="LineNr">541 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L542" class="LineNr">542 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> +<span id="L543" class="LineNr">543 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L544" class="LineNr">544 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching"</span>/imm32 +<span id="L545" class="LineNr">545 </span> 68/push 2/imm32 +<span id="L546" class="LineNr">546 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L547" class="LineNr">547 </span> b8/copy-to-EAX <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L548" class="LineNr">548 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> +<span id="L549" class="LineNr">549 </span> <span class="subxS2Comment"># . . call</span> +<span id="L550" class="LineNr">550 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L551" class="LineNr">551 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L552" class="LineNr">552 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L553" class="LineNr">553 </span> <span class="subxComment"># end</span> +<span id="L554" class="LineNr">554 </span> c3/return +<span id="L555" class="LineNr">555 </span> +<span id="L556" class="LineNr">556 </span><span class="subxTest">test-skip-chars-not-matching-none</span>: +<span id="L557" class="LineNr">557 </span> <span class="subxComment"># setup</span> +<span id="L558" class="LineNr">558 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L559" class="LineNr">559 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L560" class="LineNr">560 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L561" class="LineNr">561 </span> <span class="subxS2Comment"># . . call</span> +<span id="L562" class="LineNr">562 </span> e8/call <a href='056write.subx.html#L85'>clear-stream</a>/disp32 +<span id="L563" class="LineNr">563 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L564" class="LineNr">564 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L565" class="LineNr">565 </span> <span class="subxComment"># write(_test-stream, " ab")</span> +<span id="L566" class="LineNr">566 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L567" class="LineNr">567 </span> 68/push <span class="Constant">" ab"</span>/imm32 +<span id="L568" class="LineNr">568 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L569" class="LineNr">569 </span> <span class="subxS2Comment"># . . call</span> +<span id="L570" class="LineNr">570 </span> e8/call <a href='056write.subx.html#L31'>write</a>/disp32 +<span id="L571" class="LineNr">571 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L572" class="LineNr">572 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L573" class="LineNr">573 </span> <span class="subxComment"># skip-chars-not-matching(_test-stream, 0x20/space)</span> +<span id="L574" class="LineNr">574 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L575" class="LineNr">575 </span> 68/push 0x20/imm32 +<span id="L576" class="LineNr">576 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L577" class="LineNr">577 </span> <span class="subxS2Comment"># . . call</span> +<span id="L578" class="LineNr">578 </span> e8/call <a href='071next-token.subx.html#L474'>skip-chars-not-matching</a>/disp32 +<span id="L579" class="LineNr">579 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L580" class="LineNr">580 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L581" class="LineNr">581 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 0, msg)</span> +<span id="L582" class="LineNr">582 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L583" class="LineNr">583 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-none"</span>/imm32 +<span id="L584" class="LineNr">584 </span> 68/push 0/imm32 +<span id="L585" class="LineNr">585 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L586" class="LineNr">586 </span> b8/copy-to-EAX <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L587" class="LineNr">587 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> +<span id="L588" class="LineNr">588 </span> <span class="subxS2Comment"># . . call</span> +<span id="L589" class="LineNr">589 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L590" class="LineNr">590 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L591" class="LineNr">591 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L592" class="LineNr">592 </span> <span class="subxComment"># end</span> +<span id="L593" class="LineNr">593 </span> c3/return +<span id="L594" class="LineNr">594 </span> +<span id="L595" class="LineNr">595 </span><span class="subxTest">test-skip-chars-not-matching-all</span>: +<span id="L596" class="LineNr">596 </span> <span class="subxComment"># setup</span> +<span id="L597" class="LineNr">597 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L598" class="LineNr">598 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L599" class="LineNr">599 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L600" class="LineNr">600 </span> <span class="subxS2Comment"># . . call</span> +<span id="L601" class="LineNr">601 </span> e8/call <a href='056write.subx.html#L85'>clear-stream</a>/disp32 +<span id="L602" class="LineNr">602 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L603" class="LineNr">603 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L604" class="LineNr">604 </span> <span class="subxComment"># write(_test-stream, "ab")</span> +<span id="L605" class="LineNr">605 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L606" class="LineNr">606 </span> 68/push <span class="Constant">"ab"</span>/imm32 +<span id="L607" class="LineNr">607 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L608" class="LineNr">608 </span> <span class="subxS2Comment"># . . call</span> +<span id="L609" class="LineNr">609 </span> e8/call <a href='056write.subx.html#L31'>write</a>/disp32 +<span id="L610" class="LineNr">610 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L611" class="LineNr">611 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L612" class="LineNr">612 </span> <span class="subxComment"># skip-chars-not-matching(_test-stream, 0x20/space)</span> +<span id="L613" class="LineNr">613 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L614" class="LineNr">614 </span> 68/push 0x20/imm32 +<span id="L615" class="LineNr">615 </span> 68/push <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L616" class="LineNr">616 </span> <span class="subxS2Comment"># . . call</span> +<span id="L617" class="LineNr">617 </span> e8/call <a href='071next-token.subx.html#L474'>skip-chars-not-matching</a>/disp32 +<span id="L618" class="LineNr">618 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L619" class="LineNr">619 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L620" class="LineNr">620 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> +<span id="L621" class="LineNr">621 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L622" class="LineNr">622 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-all"</span>/imm32 +<span id="L623" class="LineNr">623 </span> 68/push 2/imm32 +<span id="L624" class="LineNr">624 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L625" class="LineNr">625 </span> b8/copy-to-EAX <a href='056write.subx.html#L193'>_test-stream</a>/imm32 +<span id="L626" class="LineNr">626 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> +<span id="L627" class="LineNr">627 </span> <span class="subxS2Comment"># . . call</span> +<span id="L628" class="LineNr">628 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L629" class="LineNr">629 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L630" class="LineNr">630 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L631" class="LineNr">631 </span> <span class="subxComment"># end</span> +<span id="L632" class="LineNr">632 </span> c3/return +<span id="L633" class="LineNr">633 </span> +<span id="L634" class="LineNr">634 </span><span class="subxFunction">skip-chars-matching-in-slice</span>: <span class="subxComment"># curr : (address byte), end : (address byte), delimiter : byte -> curr/EAX</span> +<span id="L635" class="LineNr">635 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L636" class="LineNr">636 </span> 55/push-EBP +<span id="L637" class="LineNr">637 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L638" class="LineNr">638 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L639" class="LineNr">639 </span> 51/push-ECX +<span id="L640" class="LineNr">640 </span> 52/push-EDX +<span id="L641" class="LineNr">641 </span> 53/push-EBX +<span id="L642" class="LineNr">642 </span> <span class="subxComment"># EAX = curr</span> +<span id="L643" class="LineNr">643 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> +<span id="L644" class="LineNr">644 </span> <span class="subxComment"># ECX = end</span> +<span id="L645" class="LineNr">645 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ECX</span> +<span id="L646" class="LineNr">646 </span> <span class="subxComment"># EDX = delimiter</span> +<span id="L647" class="LineNr">647 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDX</span> +<span id="L648" class="LineNr">648 </span> <span class="subxComment"># EBX = 0</span> +<span id="L649" class="LineNr">649 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> +<span id="L650" class="LineNr">650 </span><span class="Constant">$skip-chars-matching-in-slice:loop</span>: +<span id="L651" class="LineNr">651 </span> <span class="subxComment"># if (curr >= end) break</span> +<span id="L652" class="LineNr">652 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX with ECX</span> +<span id="L653" class="LineNr">653 </span> 7d/jump-if-greater-or-equal $skip-chars-matching-in-slice:end/disp8 +<span id="L654" class="LineNr">654 </span> <span class="subxComment"># if (*curr != delimiter) break</span> +<span id="L655" class="LineNr">655 </span> 8a/copy-byte 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EAX to BL</span> +<span id="L656" class="LineNr">656 </span> 39/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EBX and EDX</span> +<span id="L657" class="LineNr">657 </span> 75/jump-if-not-equal $skip-chars-matching-in-slice:end/disp8 +<span id="L658" class="LineNr">658 </span> <span class="subxComment"># ++in->read</span> +<span id="L659" class="LineNr">659 </span> 40/inc-EAX +<span id="L660" class="LineNr">660 </span> eb/jump $skip-chars-matching-in-slice:loop/disp8 +<span id="L661" class="LineNr">661 </span><span class="Constant">$skip-chars-matching-in-slice:end</span>: +<span id="L662" class="LineNr">662 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L663" class="LineNr">663 </span> 5b/pop-to-EBX +<span id="L664" class="LineNr">664 </span> 5a/pop-to-EDX +<span id="L665" class="LineNr">665 </span> 59/pop-to-ECX +<span id="L666" class="LineNr">666 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L667" class="LineNr">667 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L668" class="LineNr">668 </span> 5d/pop-to-EBP +<span id="L669" class="LineNr">669 </span> c3/return +<span id="L670" class="LineNr">670 </span> +<span id="L671" class="LineNr">671 </span><span class="subxTest">test-skip-chars-matching-in-slice</span>: +<span id="L672" class="LineNr">672 </span> <span class="subxComment"># (EAX..ECX) = " ab"</span> +<span id="L673" class="LineNr">673 </span> b8/copy-to-EAX <span class="Constant">" ab"</span>/imm32 +<span id="L674" class="LineNr">674 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L675" class="LineNr">675 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L676" class="LineNr">676 </span> 05/add-to-EAX 4/imm32 +<span id="L677" class="LineNr">677 </span> <span class="subxComment"># EAX = skip-chars-matching-in-slice(EAX, ECX, 0x20/space)</span> +<span id="L678" class="LineNr">678 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L679" class="LineNr">679 </span> 68/push 0x20/imm32 +<span id="L680" class="LineNr">680 </span> 51/push-ECX +<span id="L681" class="LineNr">681 </span> 50/push-EAX +<span id="L682" class="LineNr">682 </span> <span class="subxS2Comment"># . . call</span> +<span id="L683" class="LineNr">683 </span> e8/call <a href='071next-token.subx.html#L634'>skip-chars-matching-in-slice</a>/disp32 +<span id="L684" class="LineNr">684 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L685" class="LineNr">685 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L686" class="LineNr">686 </span> <span class="subxComment"># check-ints-equal(ECX-EAX, 2, msg)</span> +<span id="L687" class="LineNr">687 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L688" class="LineNr">688 </span> 68/push <span class="Constant">"F - test-skip-chars-matching-in-slice"</span>/imm32 +<span id="L689" class="LineNr">689 </span> 68/push 2/imm32 +<span id="L690" class="LineNr">690 </span> <span class="subxS2Comment"># . . push ECX-EAX</span> +<span id="L691" class="LineNr">691 </span> 29/subtract 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> +<span id="L692" class="LineNr">692 </span> 51/push-ECX +<span id="L693" class="LineNr">693 </span> <span class="subxS2Comment"># . . call</span> +<span id="L694" class="LineNr">694 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L695" class="LineNr">695 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L696" class="LineNr">696 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L697" class="LineNr">697 </span> <span class="subxComment"># end</span> +<span id="L698" class="LineNr">698 </span> c3/return +<span id="L699" class="LineNr">699 </span> +<span id="L700" class="LineNr">700 </span><span class="subxTest">test-skip-chars-matching-in-slice-none</span>: +<span id="L701" class="LineNr">701 </span> <span class="subxComment"># (EAX..ECX) = "ab"</span> +<span id="L702" class="LineNr">702 </span> b8/copy-to-EAX <span class="Constant">"ab"</span>/imm32 +<span id="L703" class="LineNr">703 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L704" class="LineNr">704 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L705" class="LineNr">705 </span> 05/add-to-EAX 4/imm32 +<span id="L706" class="LineNr">706 </span> <span class="subxComment"># EAX = skip-chars-matching-in-slice(EAX, ECX, 0x20/space)</span> +<span id="L707" class="LineNr">707 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L708" class="LineNr">708 </span> 68/push 0x20/imm32 +<span id="L709" class="LineNr">709 </span> 51/push-ECX +<span id="L710" class="LineNr">710 </span> 50/push-EAX +<span id="L711" class="LineNr">711 </span> <span class="subxS2Comment"># . . call</span> +<span id="L712" class="LineNr">712 </span> e8/call <a href='071next-token.subx.html#L634'>skip-chars-matching-in-slice</a>/disp32 +<span id="L713" class="LineNr">713 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L714" class="LineNr">714 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L715" class="LineNr">715 </span> <span class="subxComment"># check-ints-equal(ECX-EAX, 2, msg)</span> +<span id="L716" class="LineNr">716 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L717" class="LineNr">717 </span> 68/push <span class="Constant">"F - test-skip-chars-matching-in-slice-none"</span>/imm32 +<span id="L718" class="LineNr">718 </span> 68/push 2/imm32 +<span id="L719" class="LineNr">719 </span> <span class="subxS2Comment"># . . push ECX-EAX</span> +<span id="L720" class="LineNr">720 </span> 29/subtract 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> +<span id="L721" class="LineNr">721 </span> 51/push-ECX +<span id="L722" class="LineNr">722 </span> <span class="subxS2Comment"># . . call</span> +<span id="L723" class="LineNr">723 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L724" class="LineNr">724 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L725" class="LineNr">725 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L726" class="LineNr">726 </span> <span class="subxComment"># end</span> +<span id="L727" class="LineNr">727 </span> c3/return +<span id="L728" class="LineNr">728 </span> +<span id="L729" class="LineNr">729 </span><span class="subxComment"># minor fork of 'skip-chars-matching-in-slice'</span> +<span id="L730" class="LineNr">730 </span><span class="subxFunction">skip-chars-not-matching-in-slice</span>: <span class="subxComment"># curr : (address byte), end : (address byte), delimiter : byte -> curr/EAX</span> +<span id="L731" class="LineNr">731 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L732" class="LineNr">732 </span> 55/push-EBP +<span id="L733" class="LineNr">733 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L734" class="LineNr">734 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L735" class="LineNr">735 </span> 51/push-ECX +<span id="L736" class="LineNr">736 </span> 52/push-EDX +<span id="L737" class="LineNr">737 </span> 53/push-EBX +<span id="L738" class="LineNr">738 </span> <span class="subxComment"># EAX = curr</span> +<span id="L739" class="LineNr">739 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> +<span id="L740" class="LineNr">740 </span> <span class="subxComment"># ECX = end</span> +<span id="L741" class="LineNr">741 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ECX</span> +<span id="L742" class="LineNr">742 </span> <span class="subxComment"># EDX = delimiter</span> +<span id="L743" class="LineNr">743 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDX</span> +<span id="L744" class="LineNr">744 </span> <span class="subxComment"># EBX = 0</span> +<span id="L745" class="LineNr">745 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> +<span id="L746" class="LineNr">746 </span><span class="Constant">$skip-chars-not-matching-in-slice:loop</span>: +<span id="L747" class="LineNr">747 </span> <span class="subxComment"># if (curr >= end) break</span> +<span id="L748" class="LineNr">748 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX with ECX</span> +<span id="L749" class="LineNr">749 </span> 7d/jump-if-greater-or-equal $skip-chars-not-matching-in-slice:end/disp8 +<span id="L750" class="LineNr">750 </span> <span class="subxComment"># if (*curr == delimiter) break</span> +<span id="L751" class="LineNr">751 </span> 8a/copy-byte 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EAX to BL</span> +<span id="L752" class="LineNr">752 </span> 39/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EBX and EDX</span> +<span id="L753" class="LineNr">753 </span> 74/jump-if-equal $skip-chars-not-matching-in-slice:end/disp8 +<span id="L754" class="LineNr">754 </span> <span class="subxComment"># ++in->read</span> +<span id="L755" class="LineNr">755 </span> 40/inc-EAX +<span id="L756" class="LineNr">756 </span> eb/jump $skip-chars-not-matching-in-slice:loop/disp8 +<span id="L757" class="LineNr">757 </span><span class="Constant">$skip-chars-not-matching-in-slice:end</span>: +<span id="L758" class="LineNr">758 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L759" class="LineNr">759 </span> 5b/pop-to-EBX +<span id="L760" class="LineNr">760 </span> 5a/pop-to-EDX +<span id="L761" class="LineNr">761 </span> 59/pop-to-ECX +<span id="L762" class="LineNr">762 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L763" class="LineNr">763 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L764" class="LineNr">764 </span> 5d/pop-to-EBP +<span id="L765" class="LineNr">765 </span> c3/return +<span id="L766" class="LineNr">766 </span> +<span id="L767" class="LineNr">767 </span><span class="subxTest">test-skip-chars-not-matching-in-slice</span>: +<span id="L768" class="LineNr">768 </span> <span class="subxComment"># (EAX..ECX) = "ab "</span> +<span id="L769" class="LineNr">769 </span> b8/copy-to-EAX <span class="Constant">"ab "</span>/imm32 +<span id="L770" class="LineNr">770 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L771" class="LineNr">771 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L772" class="LineNr">772 </span> 05/add-to-EAX 4/imm32 +<span id="L773" class="LineNr">773 </span> <span class="subxComment"># EAX = skip-chars-not-matching-in-slice(EAX, ECX, 0x20/space)</span> +<span id="L774" class="LineNr">774 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L775" class="LineNr">775 </span> 68/push 0x20/imm32 +<span id="L776" class="LineNr">776 </span> 51/push-ECX +<span id="L777" class="LineNr">777 </span> 50/push-EAX +<span id="L778" class="LineNr">778 </span> <span class="subxS2Comment"># . . call</span> +<span id="L779" class="LineNr">779 </span> e8/call <a href='071next-token.subx.html#L730'>skip-chars-not-matching-in-slice</a>/disp32 +<span id="L780" class="LineNr">780 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L781" class="LineNr">781 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L782" class="LineNr">782 </span> <span class="subxComment"># check-ints-equal(ECX-EAX, 1, msg)</span> +<span id="L783" class="LineNr">783 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L784" class="LineNr">784 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-in-slice"</span>/imm32 +<span id="L785" class="LineNr">785 </span> 68/push 1/imm32 +<span id="L786" class="LineNr">786 </span> <span class="subxS2Comment"># . . push ECX-EAX</span> +<span id="L787" class="LineNr">787 </span> 29/subtract 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> +<span id="L788" class="LineNr">788 </span> 51/push-ECX +<span id="L789" class="LineNr">789 </span> <span class="subxS2Comment"># . . call</span> +<span id="L790" class="LineNr">790 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L791" class="LineNr">791 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L792" class="LineNr">792 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L793" class="LineNr">793 </span> <span class="subxComment"># end</span> +<span id="L794" class="LineNr">794 </span> c3/return +<span id="L795" class="LineNr">795 </span> +<span id="L796" class="LineNr">796 </span><span class="subxTest">test-skip-chars-not-matching-in-slice-none</span>: +<span id="L797" class="LineNr">797 </span> <span class="subxComment"># (EAX..ECX) = " ab"</span> +<span id="L798" class="LineNr">798 </span> b8/copy-to-EAX <span class="Constant">" ab"</span>/imm32 +<span id="L799" class="LineNr">799 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L800" class="LineNr">800 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L801" class="LineNr">801 </span> 05/add-to-EAX 4/imm32 +<span id="L802" class="LineNr">802 </span> <span class="subxComment"># EAX = skip-chars-not-matching-in-slice(EAX, ECX, 0x20/space)</span> +<span id="L803" class="LineNr">803 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L804" class="LineNr">804 </span> 68/push 0x20/imm32 +<span id="L805" class="LineNr">805 </span> 51/push-ECX +<span id="L806" class="LineNr">806 </span> 50/push-EAX +<span id="L807" class="LineNr">807 </span> <span class="subxS2Comment"># . . call</span> +<span id="L808" class="LineNr">808 </span> e8/call <a href='071next-token.subx.html#L730'>skip-chars-not-matching-in-slice</a>/disp32 +<span id="L809" class="LineNr">809 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L810" class="LineNr">810 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L811" class="LineNr">811 </span> <span class="subxComment"># check-ints-equal(ECX-EAX, 3, msg)</span> +<span id="L812" class="LineNr">812 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L813" class="LineNr">813 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-in-slice-none"</span>/imm32 +<span id="L814" class="LineNr">814 </span> 68/push 3/imm32 +<span id="L815" class="LineNr">815 </span> <span class="subxS2Comment"># . . push ECX-EAX</span> +<span id="L816" class="LineNr">816 </span> 29/subtract 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> +<span id="L817" class="LineNr">817 </span> 51/push-ECX +<span id="L818" class="LineNr">818 </span> <span class="subxS2Comment"># . . call</span> +<span id="L819" class="LineNr">819 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L820" class="LineNr">820 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L821" class="LineNr">821 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L822" class="LineNr">822 </span> <span class="subxComment"># end</span> +<span id="L823" class="LineNr">823 </span> c3/return +<span id="L824" class="LineNr">824 </span> +<span id="L825" class="LineNr">825 </span><span class="subxTest">test-skip-chars-not-matching-in-slice-all</span>: +<span id="L826" class="LineNr">826 </span> <span class="subxComment"># (EAX..ECX) = "ab"</span> +<span id="L827" class="LineNr">827 </span> b8/copy-to-EAX <span class="Constant">"ab"</span>/imm32 +<span id="L828" class="LineNr">828 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L829" class="LineNr">829 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L830" class="LineNr">830 </span> 05/add-to-EAX 4/imm32 +<span id="L831" class="LineNr">831 </span> <span class="subxComment"># EAX = skip-chars-not-matching-in-slice(EAX, ECX, 0x20/space)</span> +<span id="L832" class="LineNr">832 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L833" class="LineNr">833 </span> 68/push 0x20/imm32 +<span id="L834" class="LineNr">834 </span> 51/push-ECX +<span id="L835" class="LineNr">835 </span> 50/push-EAX +<span id="L836" class="LineNr">836 </span> <span class="subxS2Comment"># . . call</span> +<span id="L837" class="LineNr">837 </span> e8/call <a href='071next-token.subx.html#L730'>skip-chars-not-matching-in-slice</a>/disp32 +<span id="L838" class="LineNr">838 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L839" class="LineNr">839 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L840" class="LineNr">840 </span> <span class="subxComment"># check-ints-equal(ECX-EAX, 0, msg)</span> +<span id="L841" class="LineNr">841 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L842" class="LineNr">842 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-in-slice-all"</span>/imm32 +<span id="L843" class="LineNr">843 </span> 68/push 0/imm32 +<span id="L844" class="LineNr">844 </span> <span class="subxS2Comment"># . . push ECX-EAX</span> +<span id="L845" class="LineNr">845 </span> 29/subtract 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> +<span id="L846" class="LineNr">846 </span> 51/push-ECX +<span id="L847" class="LineNr">847 </span> <span class="subxS2Comment"># . . call</span> +<span id="L848" class="LineNr">848 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L849" class="LineNr">849 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L850" class="LineNr">850 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L851" class="LineNr">851 </span> <span class="subxComment"># end</span> +<span id="L852" class="LineNr">852 </span> c3/return +<span id="L853" class="LineNr">853 </span> +<span id="L854" class="LineNr">854 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/subx/071next-token.subx b/subx/071next-token.subx index 539caf95..a3cd6035 100644 --- a/subx/071next-token.subx +++ b/subx/071next-token.subx @@ -4,13 +4,14 @@ # . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes # main: +#? e8/call test-skip-chars-matching-in-slice/disp32 e8/call run-tests/disp32 # 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'. # syscall(exit, Num-test-failures) 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX b8/copy-to-EAX 1/imm32/exit cd/syscall 0x80/imm8 -# extract the next run of characters that are different from a given 'delimiter' +# extract the next run of characters that are different from a given 'delimiter' (skipping multiple delimiters if necessary) # on eof return an empty interval next-token: # in : (address stream), delimiter : byte, out : (address slice) # . prolog @@ -28,7 +29,7 @@ next-token: # in : (address stream), delimiter : byte, out : (address slice) # skip-chars-matching(in, delimiter) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) - ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) + 56/push-ESI # . . call e8/call skip-chars-matching/disp32 # . . discard args @@ -40,7 +41,7 @@ next-token: # in : (address stream), delimiter : byte, out : (address slice) # skip-chars-not-matching(in, delimiter) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) - ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) + 56/push-ESI # . . call e8/call skip-chars-not-matching/disp32 # . . discard args @@ -163,6 +164,191 @@ test-next-token-eof: 5d/pop-to-EBP c3/return +# extract the next run of characters that are different from a given 'delimiter' (skipping multiple delimiters if necessary) +# on eof return an empty interval +next-token-from-slice: # in : (address slice), delimiter : byte, out : (address slice) + # . prolog + 55/push-EBP + 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + # . save registers + 50/push-EAX + 56/push-ESI + 57/push-EDI + # ESI = in + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI + # EDI = out + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 7/r32/EDI 0x10/disp8 . # copy *(EBP+16) to EDI + # EAX = skip-chars-matching-in-slice(in->start, in->end, delimiter) + # . . push args + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 6/rm32/ESI . . . . 4/disp8 . # push *(ESI+4) + ff 6/subop/push 0/mod/indirect 6/rm32/ESI . . . . . . # push *ESI + # . . call + e8/call skip-chars-matching-in-slice/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # out->start = EAX + 89/copy 0/mod/indirect 7/rm32/EDI . . . 0/r32/EAX . . # copy EAX to *EDI + # EAX = skip-chars-not-matching-in-slice(EAX, in->end, delimiter) + # . . push args + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 6/rm32/ESI . . . . 4/disp8 . # push *(ESI+4) + 50/push-EAX + # . . call + e8/call skip-chars-not-matching-in-slice/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # out->end = EAX + 89/copy 1/mod/*+disp8 7/rm32/EDI . . . 0/r32/EAX 4/disp8 . # copy EAX to *(EDI+4) + # . restore registers + 5f/pop-to-EDI + 5e/pop-to-ESI + 58/pop-to-EAX + # . epilog + 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP + 5d/pop-to-EBP + c3/return + +test-next-token-from-slice: + # . prolog + 55/push-EBP + 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + # (EAX..ECX) = " ab" + b8/copy-to-EAX " ab"/imm32 + 8b/copy 0/mod/indirect 0/rm32/EAX . . . 1/r32/ECX . . # copy *EAX to ECX + 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX . 1/r32/ECX 4/disp8 . # copy EAX+ECX+4 to ECX + 05/add-to-EAX 4/imm32 + # var in/ESI : (address slice) = {EAX, ECX} + 51/push-ECX + 50/push-EAX + 89/copy 3/mod/direct 6/rm32/ESI . . . 4/r32/ESP . . # copy ESP to ESI + # var out/EDI : (address slice) = {0, 0} + 68/push 0/imm32/end + 68/push 0/imm32/start + 89/copy 3/mod/direct 7/rm32/EDI . . . 4/r32/ESP . . # copy ESP to EDI + # next-token-from-slice(in, 0x20/space, out) + # . . push args + 57/push-EDI + 68/push 0x20/imm32 + 56/push-ESI + # . . call + e8/call next-token-from-slice/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # out->start should be at the 'a' + # . check-ints-equal(out->start - in->start, 2, msg) + # . . push args + 68/push "F - test-next-token-from-slice: start"/imm32 + 68/push 2/imm32 + # . . push out->start - in->start + 8b/copy 0/mod/indirect 7/rm32/EDI . . . 1/r32/ECX . . # copy *EDI to ECX + 2b/subtract 0/mod/indirect 6/rm32/ESI . . . 1/r32/ECX . . # subtract *ESI from ECX + 51/push-ECX + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # out->end should be after the 'b' + # check-ints-equal(out->end - in->start, 4, msg) + # . . push args + 68/push "F - test-next-token-from-slice: end"/imm32 + 68/push 4/imm32 + # . . push out->end - in->start + 8b/copy 1/mod/*+disp8 7/rm32/EDI . . . 1/r32/ECX 4/disp8 . # copy *(EDI+4) to ECX + 2b/subtract 0/mod/indirect 6/rm32/ESI . . . 1/r32/ECX . . # subtract *ESI from ECX + 51/push-ECX + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # . epilog + 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP + 5d/pop-to-EBP + c3/return + +test-next-token-from-slice-eof: + # . prolog + 55/push-EBP + 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + # var in/ESI : (address slice) = {0, 0} + 51/push-ECX + 50/push-EAX + 89/copy 3/mod/direct 6/rm32/ESI . . . 4/r32/ESP . . # copy ESP to ESI + # var out/EDI : (address slice) = {0, 0} + 68/push 0/imm32/end + 68/push 0/imm32/start + 89/copy 3/mod/direct 7/rm32/EDI . . . 4/r32/ESP . . # copy ESP to EDI + # next-token-from-slice(in, 0x20/space, out) + # . . push args + 57/push-EDI + 68/push 0x20/imm32 + 56/push-ESI + # . . call + e8/call next-token-from-slice/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # out should be empty + # . check-ints-equal(out->end - out->start, 0, msg) + # . . push args + 68/push "F - test-next-token-from-slice-eof"/imm32 + 68/push 0/imm32 + # . . push out->start - in->start + 8b/copy 1/mod/*+disp8 7/rm32/EDI . . . 1/r32/ECX 4/disp8 . # copy *(EDI+4) to ECX + 2b/subtract 0/mod/indirect 7/rm32/EDI . . . 1/r32/ECX . . # subtract *EDI from ECX + 51/push-ECX + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # . epilog + 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP + 5d/pop-to-EBP + c3/return + +test-next-token-from-slice-nothing: + # . prolog + 55/push-EBP + 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + # (EAX..ECX) = " " + b8/copy-to-EAX " "/imm32 + 8b/copy 0/mod/indirect 0/rm32/EAX . . . 1/r32/ECX . . # copy *EAX to ECX + 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX . 1/r32/ECX 4/disp8 . # copy EAX+ECX+4 to ECX + 05/add-to-EAX 4/imm32 + # var in/ESI : (address slice) = {EAX, ECX} + 51/push-ECX + 50/push-EAX + 89/copy 3/mod/direct 6/rm32/ESI . . . 4/r32/ESP . . # copy ESP to ESI + # var out/EDI : (address slice) = {0, 0} + 68/push 0/imm32/end + 68/push 0/imm32/start + 89/copy 3/mod/direct 7/rm32/EDI . . . 4/r32/ESP . . # copy ESP to EDI + # next-token-from-slice(in, 0x20/space, out) + # . . push args + 57/push-EDI + 68/push 0x20/imm32 + 56/push-ESI + # . . call + e8/call next-token-from-slice/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # out should be empty + # . check-ints-equal(out->end - out->start, 0, msg) + # . . push args + 68/push "F - test-next-token-from-slice-eof"/imm32 + 68/push 0/imm32 + # . . push out->start - in->start + 8b/copy 1/mod/*+disp8 7/rm32/EDI . . . 1/r32/ECX 4/disp8 . # copy *(EDI+4) to ECX + 2b/subtract 0/mod/indirect 7/rm32/EDI . . . 1/r32/ECX . . # subtract *EDI from ECX + 51/push-ECX + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # . epilog + 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP + 5d/pop-to-EBP + c3/return + skip-chars-matching: # in : (address stream), delimiter : byte # . prolog 55/push-EBP @@ -182,7 +368,7 @@ skip-chars-matching: # in : (address stream), delimiter : byte 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 2/r32/EDX 0xc/disp8 . # copy *(EBP+12) to EDX $skip-chars-matching:loop: # if (in->read >= in->write) break - 3b/compare 3/mod/direct 3/rm32/EBX . . . 1/r32/ECX . . # compare ECX with *EBX + 39/compare 3/mod/direct 1/rm32/ECX . . . 3/r32/EBX . . # compare ECX with EBX 7d/jump-if-greater-or-equal $skip-chars-matching:end/disp8 # EAX = in->data[in->read] 31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX @@ -304,7 +490,7 @@ skip-chars-not-matching: # in : (address stream), delimiter : byte 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 2/r32/EDX 0xc/disp8 . # copy *(EBP+12) to EDX $skip-chars-not-matching:loop: # if (in->read >= in->write) break - 3b/compare 3/mod/direct 3/rm32/EBX . . . 1/r32/ECX . . # compare ECX with *EBX + 39/compare 3/mod/direct 1/rm32/ECX . . . 3/r32/EBX . . # compare ECX with EBX 7d/jump-if-greater-or-equal $skip-chars-not-matching:end/disp8 # EAX = in->data[in->read] 31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX @@ -445,4 +631,224 @@ test-skip-chars-not-matching-all: # end c3/return +skip-chars-matching-in-slice: # curr : (address byte), end : (address byte), delimiter : byte -> curr/EAX + # . prolog + 55/push-EBP + 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + # . save registers + 51/push-ECX + 52/push-EDX + 53/push-EBX + # EAX = curr + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX + # ECX = end + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 1/r32/ECX 0xc/disp8 . # copy *(EBP+12) to ECX + # EDX = delimiter + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 2/r32/EDX 0x10/disp8 . # copy *(EBP+16) to EDX + # EBX = 0 + 31/xor 3/mod/direct 3/rm32/EBX . . . 3/r32/EBX . . # clear EBX +$skip-chars-matching-in-slice:loop: + # if (curr >= end) break + 39/compare 3/mod/direct 0/rm32/EAX . . . 1/r32/ECX . . # compare EAX with ECX + 7d/jump-if-greater-or-equal $skip-chars-matching-in-slice:end/disp8 + # if (*curr != delimiter) break + 8a/copy-byte 0/mod/indirect 0/rm32/EAX . . . 3/r32/BL . . # copy byte at *EAX to BL + 39/compare 3/mod/direct 3/rm32/EBX . . . 2/r32/EDX . . # compare EBX and EDX + 75/jump-if-not-equal $skip-chars-matching-in-slice:end/disp8 + # ++in->read + 40/inc-EAX + eb/jump $skip-chars-matching-in-slice:loop/disp8 +$skip-chars-matching-in-slice:end: + # . restore registers + 5b/pop-to-EBX + 5a/pop-to-EDX + 59/pop-to-ECX + # . epilog + 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP + 5d/pop-to-EBP + c3/return + +test-skip-chars-matching-in-slice: + # (EAX..ECX) = " ab" + b8/copy-to-EAX " ab"/imm32 + 8b/copy 0/mod/indirect 0/rm32/EAX . . . 1/r32/ECX . . # copy *EAX to ECX + 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX . 1/r32/ECX 4/disp8 . # copy EAX+ECX+4 to ECX + 05/add-to-EAX 4/imm32 + # EAX = skip-chars-matching-in-slice(EAX, ECX, 0x20/space) + # . . push args + 68/push 0x20/imm32 + 51/push-ECX + 50/push-EAX + # . . call + e8/call skip-chars-matching-in-slice/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # check-ints-equal(ECX-EAX, 2, msg) + # . . push args + 68/push "F - test-skip-chars-matching-in-slice"/imm32 + 68/push 2/imm32 + # . . push ECX-EAX + 29/subtract 3/mod/direct 1/rm32/ECX . . . 0/r32/EAX . . # subtract EAX from ECX + 51/push-ECX + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # end + c3/return + +test-skip-chars-matching-in-slice-none: + # (EAX..ECX) = "ab" + b8/copy-to-EAX "ab"/imm32 + 8b/copy 0/mod/indirect 0/rm32/EAX . . . 1/r32/ECX . . # copy *EAX to ECX + 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX . 1/r32/ECX 4/disp8 . # copy EAX+ECX+4 to ECX + 05/add-to-EAX 4/imm32 + # EAX = skip-chars-matching-in-slice(EAX, ECX, 0x20/space) + # . . push args + 68/push 0x20/imm32 + 51/push-ECX + 50/push-EAX + # . . call + e8/call skip-chars-matching-in-slice/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # check-ints-equal(ECX-EAX, 2, msg) + # . . push args + 68/push "F - test-skip-chars-matching-in-slice-none"/imm32 + 68/push 2/imm32 + # . . push ECX-EAX + 29/subtract 3/mod/direct 1/rm32/ECX . . . 0/r32/EAX . . # subtract EAX from ECX + 51/push-ECX + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # end + c3/return + +# minor fork of 'skip-chars-matching-in-slice' +skip-chars-not-matching-in-slice: # curr : (address byte), end : (address byte), delimiter : byte -> curr/EAX + # . prolog + 55/push-EBP + 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + # . save registers + 51/push-ECX + 52/push-EDX + 53/push-EBX + # EAX = curr + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX + # ECX = end + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 1/r32/ECX 0xc/disp8 . # copy *(EBP+12) to ECX + # EDX = delimiter + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 2/r32/EDX 0x10/disp8 . # copy *(EBP+16) to EDX + # EBX = 0 + 31/xor 3/mod/direct 3/rm32/EBX . . . 3/r32/EBX . . # clear EBX +$skip-chars-not-matching-in-slice:loop: + # if (curr >= end) break + 39/compare 3/mod/direct 0/rm32/EAX . . . 1/r32/ECX . . # compare EAX with ECX + 7d/jump-if-greater-or-equal $skip-chars-not-matching-in-slice:end/disp8 + # if (*curr == delimiter) break + 8a/copy-byte 0/mod/indirect 0/rm32/EAX . . . 3/r32/BL . . # copy byte at *EAX to BL + 39/compare 3/mod/direct 3/rm32/EBX . . . 2/r32/EDX . . # compare EBX and EDX + 74/jump-if-equal $skip-chars-not-matching-in-slice:end/disp8 + # ++in->read + 40/inc-EAX + eb/jump $skip-chars-not-matching-in-slice:loop/disp8 +$skip-chars-not-matching-in-slice:end: + # . restore registers + 5b/pop-to-EBX + 5a/pop-to-EDX + 59/pop-to-ECX + # . epilog + 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP + 5d/pop-to-EBP + c3/return + +test-skip-chars-not-matching-in-slice: + # (EAX..ECX) = "ab " + b8/copy-to-EAX "ab "/imm32 + 8b/copy 0/mod/indirect 0/rm32/EAX . . . 1/r32/ECX . . # copy *EAX to ECX + 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX . 1/r32/ECX 4/disp8 . # copy EAX+ECX+4 to ECX + 05/add-to-EAX 4/imm32 + # EAX = skip-chars-not-matching-in-slice(EAX, ECX, 0x20/space) + # . . push args + 68/push 0x20/imm32 + 51/push-ECX + 50/push-EAX + # . . call + e8/call skip-chars-not-matching-in-slice/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # check-ints-equal(ECX-EAX, 1, msg) + # . . push args + 68/push "F - test-skip-chars-not-matching-in-slice"/imm32 + 68/push 1/imm32 + # . . push ECX-EAX + 29/subtract 3/mod/direct 1/rm32/ECX . . . 0/r32/EAX . . # subtract EAX from ECX + 51/push-ECX + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # end + c3/return + +test-skip-chars-not-matching-in-slice-none: + # (EAX..ECX) = " ab" + b8/copy-to-EAX " ab"/imm32 + 8b/copy 0/mod/indirect 0/rm32/EAX . . . 1/r32/ECX . . # copy *EAX to ECX + 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX . 1/r32/ECX 4/disp8 . # copy EAX+ECX+4 to ECX + 05/add-to-EAX 4/imm32 + # EAX = skip-chars-not-matching-in-slice(EAX, ECX, 0x20/space) + # . . push args + 68/push 0x20/imm32 + 51/push-ECX + 50/push-EAX + # . . call + e8/call skip-chars-not-matching-in-slice/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # check-ints-equal(ECX-EAX, 3, msg) + # . . push args + 68/push "F - test-skip-chars-not-matching-in-slice-none"/imm32 + 68/push 3/imm32 + # . . push ECX-EAX + 29/subtract 3/mod/direct 1/rm32/ECX . . . 0/r32/EAX . . # subtract EAX from ECX + 51/push-ECX + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # end + c3/return + +test-skip-chars-not-matching-in-slice-all: + # (EAX..ECX) = "ab" + b8/copy-to-EAX "ab"/imm32 + 8b/copy 0/mod/indirect 0/rm32/EAX . . . 1/r32/ECX . . # copy *EAX to ECX + 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX . 1/r32/ECX 4/disp8 . # copy EAX+ECX+4 to ECX + 05/add-to-EAX 4/imm32 + # EAX = skip-chars-not-matching-in-slice(EAX, ECX, 0x20/space) + # . . push args + 68/push 0x20/imm32 + 51/push-ECX + 50/push-EAX + # . . call + e8/call skip-chars-not-matching-in-slice/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # check-ints-equal(ECX-EAX, 0, msg) + # . . push args + 68/push "F - test-skip-chars-not-matching-in-slice-all"/imm32 + 68/push 0/imm32 + # . . push ECX-EAX + 29/subtract 3/mod/direct 1/rm32/ECX . . . 0/r32/EAX . . # subtract EAX from ECX + 51/push-ECX + # . . call + e8/call check-ints-equal/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # end + c3/return + # . . vim:nowrap:textwidth=0 diff --git a/subx/apps/crenshaw2-1 b/subx/apps/crenshaw2-1 index bcf1415c..448cc762 100755 --- a/subx/apps/crenshaw2-1 +++ b/subx/apps/crenshaw2-1 Binary files differdiff --git a/subx/apps/crenshaw2-1b b/subx/apps/crenshaw2-1b index 29fcdc94..b31edcd3 100755 --- a/subx/apps/crenshaw2-1b +++ b/subx/apps/crenshaw2-1b Binary files differdiff --git a/subx/apps/factorial b/subx/apps/factorial index 5062a5a0..2f10831f 100755 --- a/subx/apps/factorial +++ b/subx/apps/factorial Binary files differdiff --git a/subx/apps/handle b/subx/apps/handle index 929e5c5a..5069d19d 100755 --- a/subx/apps/handle +++ b/subx/apps/handle Binary files differdiff --git a/subx/apps/hex b/subx/apps/hex index d854606e..10c02bf6 100755 --- a/subx/apps/hex +++ b/subx/apps/hex Binary files differdiff --git a/subx/apps/pack.subx b/subx/apps/pack.subx index d7052b0b..f09a6b2f 100644 --- a/subx/apps/pack.subx +++ b/subx/apps/pack.subx @@ -86,27 +86,43 @@ $main:end: # read first word as opcode and write-slice # if 0f or f2 or f3 read second opcode and write-slice # if 'f2 0f' or 'f3 0f' read third opcode and write-slice -# scan words +# while true: +# word-slice = next-word +# if empty(word-slice) break # if has metadata 'mod', parse into mod # if has metadata 'rm32', parse into rm32 # if has metadata 'r32', parse into r32 # if has metadata 'subop', parse into r32 # if at least one of the 3 was present, print-byte -# scan words +# while true: +# word-slice = next-word +# if empty(word-slice) break # if has metadata 'base', parse into base # if has metadata 'index', parse into index # if has metadata 'scale', parse into scale # if at least one of the 3 was present, print-byte # parse errors => <abort> -# scan words +# while true: +# word-slice = next-word +# if empty(word-slice) break # if has metadata 'disp8', emit as 1 byte # if has metadata 'disp16', emit as 2 bytes # if has metadata 'disp32', emit as 4 bytes -# scan words +# while true: +# word-slice = next-word +# if empty(word-slice) break # if has metadata 'imm8', emit # if has metadata 'imm32', emit as 4 bytes # finally, emit line prefixed with a ' # ' +# has-metadata?(word-slice, m): +# next-token2(word-slice, '/') # skip +# while true: +# slice = next-token2(word-slice, '/') +# if empty?(slice) break +# if equal(slice, m) return true +# return false + # simplifications since we perform zero error handling (continuing to rely on the C++ version for that): # missing fields are always 0-filled # bytes never mentioned are silently dropped; if you don't provide /mod, /rm32 or /r32 you don't get a 0 modrm byte. You get *no* modrm byte. @@ -123,6 +139,7 @@ $main:end: # # we won't bother saving the internal structure of lines; reparsing should be cheap using two primitives: # next-token(stream, delim char) -> slice (start, end pointers) +# next-token(stream, slice, delim char) -> slice' # slice-equal?(slice, string) # helpers: |