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authorhut <hut@lavabit.com>2010-09-16 18:19:46 +0200
committerhut <hut@lavabit.com>2010-09-16 18:19:46 +0200
commit4341846741b6623a1ead43485cfd5cf633453bb6 (patch)
treefdfdd0b13329ad457ad9a6a0c0091019396ae64a /test/tc_directory.py
parent37a60686b340f030a2fc37e7ac9d19a701de9e6b (diff)
parent0c0849c3d8bf57a8b0d0bd9d6113639c58a28fd2 (diff)
downloadranger-4341846741b6623a1ead43485cfd5cf633453bb6.tar.gz
Merge branch 'master' into cp
Conflicts:
	ranger/__main__.py
	ranger/core/actions.py
Diffstat (limited to 'test/tc_directory.py')
-rw-r--r--test/tc_directory.py7
1 files changed, 5 insertions, 2 deletions
diff --git a/test/tc_directory.py b/test/tc_directory.py
index 024ebc9d..754253b3 100644
--- a/test/tc_directory.py
+++ b/test/tc_directory.py
@@ -13,9 +13,12 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-if __name__ == '__main__': from __init__ import init; init()
-
+import os.path
 import sys
+rangerpath = os.path.join(os.path.dirname(__file__), '..')
+if sys.path[1] != rangerpath:
+	sys.path[1:1] = [rangerpath]
+
 from os.path import realpath, join, dirname
 
 from ranger import fsobject
'>111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815














































































































































































































































































































































































































































































































































































































































































































































































































































                                                                                                                                                                                                                                                                                                                                                                                                                                        
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<a href='https://github.com/akkartik/mu/blob/main/linux/apps/crenshaw2-1b.subx'>https://github.com/akkartik/mu/blob/main/linux/apps/crenshaw2-1b.subx</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="subxComment"># Port of <a href="https://github.com/akkartik/crenshaw/blob/master/tutor2.1.pas">https://github.com/akkartik/crenshaw/blob/master/tutor2.1.pas</a></span>
<span id="L2" class="LineNr">  2 </span><span class="subxComment"># which corresponds to the section &quot;single digits&quot; in <a href="https://compilers.iecc.com/crenshaw/tutor2.txt">https://compilers.iecc.com/crenshaw/tutor2.txt</a></span>
<span id="L3" class="LineNr">  3 </span><span class="subxComment"># except that we support hex numbers of multiple digits.</span>
<span id="L4" class="LineNr">  4 </span><span class="subxComment">#</span>
<span id="L5" class="LineNr">  5 </span><span class="subxComment"># To run:</span>
<span id="L6" class="LineNr">  6 </span><span class="subxComment">#   $ bootstrap/bootstrap translate [01]*.subx apps/crenshaw2-1b.subx -o crenshaw2-1b</span>
<span id="L7" class="LineNr">  7 </span><span class="subxComment">#   $ echo '1a'  |bootstrap/bootstrap run crenshaw2-1b</span>
<span id="L8" class="LineNr">  8 </span><span class="subxComment"># Expected output:</span>
<span id="L9" class="LineNr">  9 </span><span class="subxComment">#   # syscall(exit, 1a)</span>
<span id="L10" class="LineNr"> 10 </span><span class="subxComment">#   bb/copy-to-ebx  3/imm32</span>
<span id="L11" class="LineNr"> 11 </span><span class="subxComment">#   b8/copy-to-eax  1/imm32/exit</span>
<span id="L12" class="LineNr"> 12 </span><span class="subxComment">#   cd/syscall  0x80/imm8</span>
<span id="L13" class="LineNr"> 13 </span><span class="subxComment">#</span>
<span id="L14" class="LineNr"> 14 </span><span class="subxComment"># To run the generated output:</span>
<span id="L15" class="LineNr"> 15 </span><span class="subxComment">#   $ echo '1a'  |bootstrap/bootstrap run crenshaw2-1b &gt; z1.subx</span>
<span id="L16" class="LineNr"> 16 </span><span class="subxComment">#   $ bootstrap/bootstrap translate z1.subx -o z1</span>
<span id="L17" class="LineNr"> 17 </span><span class="subxComment">#   $ bootstrap/bootstrap run z1</span>
<span id="L18" class="LineNr"> 18 </span><span class="subxComment">#   $ echo $?</span>
<span id="L19" class="LineNr"> 19 </span><span class="subxComment">#   26  # 0x1a in decimal</span>
<span id="L20" class="LineNr"> 20 </span><span class="subxComment">#</span>
<span id="L21" class="LineNr"> 21 </span><span class="subxComment"># Stdin must contain just a single hex digit. Other input will print an error:</span>
<span id="L22" class="LineNr"> 22 </span><span class="subxComment">#   $ echo 'xyz'  |bootstrap/bootstrap run crenshaw2-1b</span>
<span id="L23" class="LineNr"> 23 </span><span class="subxComment">#   Error: integer expected</span>
<span id="L24" class="LineNr"> 24 </span><span class="subxComment">#</span>
<span id="L25" class="LineNr"> 25 </span><span class="subxComment"># Names in this file sometimes follow Crenshaw's original rather than my usual</span>
<span id="L26" class="LineNr"> 26 </span><span class="subxComment"># naming conventions.</span>
<span id="L27" class="LineNr"> 27 </span>
<span id="L28" class="LineNr"> 28 </span>== code
<span id="L29" class="LineNr"> 29 </span><span class="subxComment">#   instruction                     effective address                                                   register    displacement    immediate</span>
<span id="L30" class="LineNr"> 30 </span><span class="subxS1Comment"># . op          subop               mod             rm32          base        index         scale       r32</span>
<span id="L31" class="LineNr"> 31 </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="L32" class="LineNr"> 32 </span>
<span id="L33" class="LineNr"> 33 </span><span class="SpecialChar">Entry</span>:  <span class="subxComment"># run tests if necessary, call 'compile' if not</span>
<span id="L34" class="LineNr"> 34 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L35" class="LineNr"> 35 </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="L36" class="LineNr"> 36 </span>
<span id="L37" class="LineNr"> 37 </span>    <span class="subxComment"># initialize heap</span>
<span id="L38" class="LineNr"> 38 </span>    <span class="subxS1Comment"># . Heap = new-segment(Heap-size)</span>
<span id="L39" class="LineNr"> 39 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L40" class="LineNr"> 40 </span>    68/push  <span class="SpecialChar"><a href='../120allocate.subx.html#L27'>Heap</a></span>/imm32
<span id="L41" class="LineNr"> 41 </span>    ff          6/subop/push        0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          <span class="SpecialChar"><a href='../120allocate.subx.html#L34'>Heap-size</a></span>/disp32                  <span class="subxComment"># push *Heap-size</span>
<span id="L42" class="LineNr"> 42 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L43" class="LineNr"> 43 </span>    e8/call  <a href='../104new-segment.subx.html#L40'>new-segment</a>/disp32
<span id="L44" class="LineNr"> 44 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L45" class="LineNr"> 45 </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="L46" class="LineNr"> 46 </span>
<span id="L47" class="LineNr"> 47 </span>    <span class="subxH1Comment"># - if argc &gt; 1 and argv[1] == &quot;test&quot;, then return run_tests()</span>
<span id="L48" class="LineNr"> 48 </span>    <span class="subxComment"># if (argc &lt;= 1) goto run-main</span>
<span id="L49" class="LineNr"> 49 </span>    81          7/subop/compare     1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0/disp8         1/imm32           <span class="subxComment"># compare *ebp</span>
<span id="L50" class="LineNr"> 50 </span>    7e/jump-if-&lt;=  $run-main/disp8
<span id="L51" class="LineNr"> 51 </span>    <span class="subxComment"># if (!kernel-string-equal?(argv[1], &quot;test&quot;)) goto run-main</span>
<span id="L52" class="LineNr"> 52 </span>    <span class="subxS1Comment"># . eax = kernel-string-equal?(argv[1], &quot;test&quot;)</span>
<span id="L53" class="LineNr"> 53 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L54" class="LineNr"> 54 </span>    68/push  <span class="Constant">&quot;test&quot;</span>/imm32
<span id="L55" class="LineNr"> 55 </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="L56" class="LineNr"> 56 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L57" class="LineNr"> 57 </span>    e8/call  <a href='../103kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32
<span id="L58" class="LineNr"> 58 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L59" class="LineNr"> 59 </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="L60" class="LineNr"> 60 </span>    <span class="subxS1Comment"># . if (eax == false) goto run-main</span>
<span id="L61" class="LineNr"> 61 </span>    3d/compare-eax-and  0/imm32/false
<span id="L62" class="LineNr"> 62 </span>    74/jump-if-=  $run-main/disp8
<span id="L63" class="LineNr"> 63 </span>    <span class="subxComment"># run-tests()</span>
<span id="L64" class="LineNr"> 64 </span>    e8/call  run-tests/disp32
<span id="L65" class="LineNr"> 65 </span>    <span class="subxComment"># syscall(exit, *Num-test-failures)</span>
<span id="L66" class="LineNr"> 66 </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='../102test.subx.html#L89'>Num-test-failures</a></span>/disp32          <span class="subxComment"># copy *Num-test-failures to ebx</span>
<span id="L67" class="LineNr"> 67 </span>    eb/jump  $main:end/disp8
<span id="L68" class="LineNr"> 68 </span><span class="Constant">$run-main</span>:
<span id="L69" class="LineNr"> 69 </span>    <span class="subxH1Comment"># - otherwise read a program from stdin and emit its translation to stdout</span>
<span id="L70" class="LineNr"> 70 </span>    <span class="subxS1Comment"># . compile(Stdin, 1/stdout, 2/stderr, 0)</span>
<span id="L71" class="LineNr"> 71 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L72" class="LineNr"> 72 </span>    68/push  0/imm32/exit-descriptor
<span id="L73" class="LineNr"> 73 </span>    68/push  2/imm32/stderr
<span id="L74" class="LineNr"> 74 </span>    68/push  1/imm32/stdout
<span id="L75" class="LineNr"> 75 </span>    68/push  <span class="SpecialChar"><a href='../112read-byte.subx.html#L14'>Stdin</a></span>/imm32
<span id="L76" class="LineNr"> 76 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L77" class="LineNr"> 77 </span>    e8/call  <a href='crenshaw2-1b.subx.html#L86'>compile</a>/disp32
<span id="L78" class="LineNr"> 78 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L79" class="LineNr"> 79 </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>              0x10/imm32        <span class="subxComment"># add to esp</span>
<span id="L80" class="LineNr"> 80 </span>    <span class="subxComment"># syscall(exit, 0)</span>
<span id="L81" class="LineNr"> 81 </span>    bb/copy-to-ebx  0/imm32
<span id="L82" class="LineNr"> 82 </span><span class="Constant">$main:end</span>:
<span id="L83" class="LineNr"> 83 </span>    e8/call  <a href='../000init.subx.html#L18'>syscall_exit</a>/disp32
<span id="L84" class="LineNr"> 84 </span>
<span id="L85" class="LineNr"> 85 </span><span class="subxComment"># the main entry point</span>
<span id="L86" class="LineNr"> 86 </span><span class="subxFunction">compile</span>:  <span class="subxComment"># in: (addr buffered-file), out: fd or (addr stream byte), err: fd or (addr stream byte), ed: (addr exit-descriptor)</span>
<span id="L87" class="LineNr"> 87 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L88" class="LineNr"> 88 </span>    55/push-ebp
<span id="L89" class="LineNr"> 89 </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="L90" class="LineNr"> 90 </span>    <span class="subxS1Comment"># . save registers</span>
<span id="L91" class="LineNr"> 91 </span>    50/push-eax
<span id="L92" class="LineNr"> 92 </span>    51/push-ecx
<span id="L93" class="LineNr"> 93 </span>    <span class="subxComment"># prime the pump</span>
<span id="L94" class="LineNr"> 94 </span>    <span class="subxS1Comment"># . Look = get-char(in)</span>
<span id="L95" class="LineNr"> 95 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L96" class="LineNr"> 96 </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="L97" class="LineNr"> 97 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L98" class="LineNr"> 98 </span>    e8/call  <a href='crenshaw2-1b.subx.html#L702'>get-char</a>/disp32
<span id="L99" class="LineNr"> 99 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L100" class="LineNr">100 </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="L101" class="LineNr">101 </span>    <span class="subxComment"># var num/ecx: (stream byte 7)</span>
<span id="L102" class="LineNr">102 </span>    <span class="subxComment"># Numbers can be 32 bits or 8 hex bytes long. One of them will be in 'Look', so we need space for 7 bytes.</span>
<span id="L103" class="LineNr">103 </span>    <span class="subxComment"># Sizing the stream just right buys us overflow-handling for free inside 'get-num'.</span>
<span id="L104" class="LineNr">104 </span>    <span class="subxComment"># Add 12 bytes for 'read', 'write' and 'size' fields, for a total of 19 bytes, or 0x13 in hex.</span>
<span id="L105" class="LineNr">105 </span>    <span class="subxComment"># The stack pointer is no longer aligned, so dump_stack() can be misleading past this point.</span>
<span id="L106" class="LineNr">106 </span>    81          5/subop/subtract    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>              0x13/imm32        <span class="subxComment"># subtract from esp</span>
<span id="L107" class="LineNr">107 </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="L108" class="LineNr">108 </span>    <span class="subxComment"># initialize the stream</span>
<span id="L109" class="LineNr">109 </span>    <span class="subxS1Comment"># . num-&gt;size = 7</span>
<span id="L110" class="LineNr">110 </span>    c7          0/subop/copy        1/mod/*+disp8   1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8         7/imm32           <span class="subxComment"># copy to *(ecx+8)</span>
<span id="L111" class="LineNr">111 </span>    <span class="subxS1Comment"># . clear-stream(num)</span>
<span id="L112" class="LineNr">112 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L113" class="LineNr">113 </span>    51/push-ecx
<span id="L114" class="LineNr">114 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L115" class="LineNr">115 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L116" class="LineNr">116 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L117" class="LineNr">117 </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="L118" class="LineNr">118 </span>    <span class="subxComment"># read a digit from 'in' into 'num'</span>
<span id="L119" class="LineNr">119 </span>    <span class="subxS1Comment"># . get-num(in, num, err, ed)</span>
<span id="L120" class="LineNr">120 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L121" class="LineNr">121 </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>          0x14/disp8     <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+20)</span>
<span id="L122" class="LineNr">122 </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>          0x10/disp8     <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+16)</span>
<span id="L123" class="LineNr">123 </span>    51/push-ecx/num
<span id="L124" class="LineNr">124 </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="L125" class="LineNr">125 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L126" class="LineNr">126 </span>    e8/call  <a href='crenshaw2-1b.subx.html#L187'>get-num</a>/disp32
<span id="L127" class="LineNr">127 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L128" class="LineNr">128 </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>              0x10/imm32        <span class="subxComment"># add to esp</span>
<span id="L129" class="LineNr">129 </span>    <span class="subxComment"># render 'num' into the following template on 'out':</span>
<span id="L130" class="LineNr">130 </span>    <span class="subxComment">#   bb/copy-to-ebx  _num_</span>
<span id="L131" class="LineNr">131 </span>    <span class="subxComment">#   b8/copy-to-eax  1/imm32/exit</span>
<span id="L132" class="LineNr">132 </span>    <span class="subxComment">#   cd/syscall  0x80/imm8</span>
<span id="L133" class="LineNr">133 </span>    <span class="subxComment">#</span>
<span id="L134" class="LineNr">134 </span>    <span class="subxS1Comment"># . write(out, &quot;bb/copy-to-ebx  &quot;)</span>
<span id="L135" class="LineNr">135 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L136" class="LineNr">136 </span>    68/push  <span class="Constant">&quot;bb/copy-to-ebx  &quot;</span>/imm32
<span id="L137" class="LineNr">137 </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="L138" class="LineNr">138 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L139" class="LineNr">139 </span>    e8/call  <a href='../108write.subx.html#L24'>write</a>/disp32
<span id="L140" class="LineNr">140 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L141" class="LineNr">141 </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="L142" class="LineNr">142 </span>    <span class="subxS1Comment"># . write-stream(out, num)</span>
<span id="L143" class="LineNr">143 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L144" class="LineNr">144 </span>    51/push-ecx/num
<span id="L145" class="LineNr">145 </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="L146" class="LineNr">146 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L147" class="LineNr">147 </span>    e8/call  <a href='../113write-stream.subx.html#L17'>write-stream</a>/disp32
<span id="L148" class="LineNr">148 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L149" class="LineNr">149 </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="L150" class="LineNr">150 </span>    <span class="subxS1Comment"># . write(out, Newline)</span>
<span id="L151" class="LineNr">151 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L152" class="LineNr">152 </span>    68/push  <span class="SpecialChar"><a href='../102test.subx.html#L82'>Newline</a></span>/imm32
<span id="L153" class="LineNr">153 </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="L154" class="LineNr">154 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L155" class="LineNr">155 </span>    e8/call  <a href='../108write.subx.html#L24'>write</a>/disp32
<span id="L156" class="LineNr">156 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L157" class="LineNr">157 </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="L158" class="LineNr">158 </span>    <span class="subxS1Comment"># . write(out, &quot;b8/copy-to-eax  1/imm32/exit\n&quot;)</span>
<span id="L159" class="LineNr">159 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L160" class="LineNr">160 </span>    68/push  <span class="Constant">&quot;b8/copy-to-eax  1/imm32/exit\n&quot;</span>/imm32
<span id="L161" class="LineNr">161 </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="L162" class="LineNr">162 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L163" class="LineNr">163 </span>    e8/call  <a href='../108write.subx.html#L24'>write</a>/disp32
<span id="L164" class="LineNr">164 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L165" class="LineNr">165 </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="L166" class="LineNr">166 </span>    <span class="subxS1Comment"># . write(out, &quot;cd/syscall  0x80/imm8\n&quot;)</span>
<span id="L167" class="LineNr">167 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L168" class="LineNr">168 </span>    68/push  <span class="Constant">&quot;cd/syscall  0x80/imm8\n&quot;</span>/imm32
<span id="L169" class="LineNr">169 </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="L170" class="LineNr">170 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L171" class="LineNr">171 </span>    e8/call  <a href='../108write.subx.html#L24'>write</a>/disp32
<span id="L172" class="LineNr">172 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L173" class="LineNr">173 </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="L174" class="LineNr">174 </span><span class="Constant">$compile:end</span>:
<span id="L175" class="LineNr">175 </span>    <span class="subxS1Comment"># . restore registers</span>
<span id="L176" class="LineNr">176 </span>    59/pop-to-ecx
<span id="L177" class="LineNr">177 </span>    58/pop-to-eax
<span id="L178" class="LineNr">178 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L179" class="LineNr">179 </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="L180" class="LineNr">180 </span>    5d/pop-to-ebp
<span id="L181" class="LineNr">181 </span>    c3/return
<span id="L182" class="LineNr">182 </span>
<span id="L183" class="LineNr">183 </span><span class="subxComment"># Read a sequence of digits into 'out'. Abort if there are none, or if there is</span>
<span id="L184" class="LineNr">184 </span><span class="subxComment"># no space in 'out'.</span>
<span id="L185" class="LineNr">185 </span><span class="subxComment"># Input comes from the global variable 'Look' (first byte) and the argument</span>
<span id="L186" class="LineNr">186 </span><span class="subxComment"># 'in' (rest). We leave the next byte from 'in' into 'Look' on exit.</span>
<span id="L187" class="LineNr">187 </span><span class="subxFunction">get-num</span>:  <span class="subxComment"># in: (addr buffered-file), out: (addr stream byte), err: fd or (addr stream byte), ed: (addr exit-descriptor)</span>
<span id="L188" class="LineNr">188 </span>    <span class="subxComment"># pseudocode:</span>
<span id="L189" class="LineNr">189 </span>    <span class="subxComment">#   if (!digit?(Look)) expected(ed, err, &quot;integer&quot;)</span>
<span id="L190" class="LineNr">190 </span>    <span class="subxComment">#   do</span>
<span id="L191" class="LineNr">191 </span>    <span class="subxComment">#     if out-&gt;write &gt;= out-&gt;size</span>
<span id="L192" class="LineNr">192 </span>    <span class="subxComment">#       write(err, &quot;Error: too many digits in number\n&quot;)</span>
<span id="L193" class="LineNr">193 </span>    <span class="subxComment">#       stop(ed, 1)</span>
<span id="L194" class="LineNr">194 </span>    <span class="subxComment">#     out-&gt;data[out-&gt;write] = LSB(Look)</span>
<span id="L195" class="LineNr">195 </span>    <span class="subxComment">#     ++out-&gt;write</span>
<span id="L196" class="LineNr">196 </span>    <span class="subxComment">#     Look = get-char(in)</span>
<span id="L197" class="LineNr">197 </span>    <span class="subxComment">#   while digit?(Look)</span>
<span id="L198" class="LineNr">198 </span>    <span class="subxComment"># This is complicated because I don't want to hard-code the error strategy in</span>
<span id="L199" class="LineNr">199 </span>    <span class="subxComment"># a general helper like write-byte-buffered. Maybe I should just create a</span>
<span id="L200" class="LineNr">200 </span>    <span class="subxComment"># local helper.</span>
<span id="L201" class="LineNr">201 </span>    <span class="subxComment">#</span>
<span id="L202" class="LineNr">202 </span>    <span class="subxComment"># within the loop we'll try to keep things in registers:</span>
<span id="L203" class="LineNr">203 </span>    <span class="subxComment">#   in: esi</span>
<span id="L204" class="LineNr">204 </span>    <span class="subxComment">#   out: edi</span>
<span id="L205" class="LineNr">205 </span>    <span class="subxComment">#   out-&gt;write: ecx (cached copy; need to keep in sync)</span>
<span id="L206" class="LineNr">206 </span>    <span class="subxComment">#   out-&gt;size: edx</span>
<span id="L207" class="LineNr">207 </span>    <span class="subxComment">#   temporaries: eax, ebx</span>
<span id="L208" class="LineNr">208 </span>    <span class="subxComment"># We can't allocate Look to a register because it gets written implicitly in</span>
<span id="L209" class="LineNr">209 </span>    <span class="subxComment"># get-char in each iteration of the loop. (Thereby demonstrating that it's</span>
<span id="L210" class="LineNr">210 </span>    <span class="subxComment"># not the right interface for us. But we'll keep it just to follow Crenshaw.)</span>
<span id="L211" class="LineNr">211 </span>    <span class="subxComment">#</span>
<span id="L212" class="LineNr">212 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L213" class="LineNr">213 </span>    55/push-ebp
<span id="L214" class="LineNr">214 </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="L215" class="LineNr">215 </span>    <span class="subxH1Comment"># - if (digit?(Look)) expected(ed, err, &quot;integer&quot;)</span>
<span id="L216" class="LineNr">216 </span>    <span class="subxS1Comment"># . eax = digit?(Look)</span>
<span id="L217" class="LineNr">217 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L218" class="LineNr">218 </span>    ff          6/subop/push        0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          <span class="SpecialChar"><a href='crenshaw2-1b.subx.html#L747'>Look</a></span>/disp32    <span class="Normal"> . </span>                <span class="subxComment"># push *Look</span>
<span id="L219" class="LineNr">219 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L220" class="LineNr">220 </span>    e8/call  <a href='crenshaw2-1b.subx.html#L725'>digit?</a>/disp32
<span id="L221" class="LineNr">221 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L222" class="LineNr">222 </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="L223" class="LineNr">223 </span>    <span class="subxS1Comment"># . if (eax == false)</span>
<span id="L224" class="LineNr">224 </span>    3d/compare-eax-and  0/imm32/false
<span id="L225" class="LineNr">225 </span>    75/jump-if-!=  $get-num:main/disp8
<span id="L226" class="LineNr">226 </span>    <span class="subxS1Comment"># . expected(ed, err, &quot;integer&quot;)</span>
<span id="L227" class="LineNr">227 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L228" class="LineNr">228 </span>    68/push  <span class="Constant">&quot;integer&quot;</span>/imm32
<span id="L229" class="LineNr">229 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0x10/disp8     <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+16)</span>
<span id="L230" class="LineNr">230 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0x14/disp8     <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+20)</span>
<span id="L231" class="LineNr">231 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L232" class="LineNr">232 </span>    e8/call  <a href='crenshaw2-1b.subx.html#L660'>expected</a>/disp32  <span class="subxComment"># never returns</span>
<span id="L233" class="LineNr">233 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L234" class="LineNr">234 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
<span id="L235" class="LineNr">235 </span><span class="Constant">$get-num:main</span>:
<span id="L236" class="LineNr">236 </span>    <span class="subxH1Comment"># - otherwise read a digit</span>
<span id="L237" class="LineNr">237 </span>    <span class="subxS1Comment"># . save registers</span>
<span id="L238" class="LineNr">238 </span>    50/push-eax
<span id="L239" class="LineNr">239 </span>    51/push-ecx
<span id="L240" class="LineNr">240 </span>    52/push-edx
<span id="L241" class="LineNr">241 </span>    53/push-ebx
<span id="L242" class="LineNr">242 </span>    56/push-esi
<span id="L243" class="LineNr">243 </span>    57/push-edi
<span id="L244" class="LineNr">244 </span>    <span class="subxComment"># read necessary variables to registers</span>
<span id="L245" class="LineNr">245 </span>    <span class="subxComment"># esi = in</span>
<span id="L246" class="LineNr">246 </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="L247" class="LineNr">247 </span>    <span class="subxComment"># edi = out</span>
<span id="L248" class="LineNr">248 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          7/r32/edi   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+12) to edi</span>
<span id="L249" class="LineNr">249 </span>    <span class="subxComment"># ecx = out-&gt;write</span>
<span id="L250" class="LineNr">250 </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="L251" class="LineNr">251 </span>    <span class="subxComment"># edx = out-&gt;size</span>
<span id="L252" class="LineNr">252 </span>    8b/copy                         1/mod/*+disp8   7/rm32/edi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          2/r32/edx   8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy *(edi+8) to edx</span>
<span id="L253" class="LineNr">253 </span><span class="Constant">$get-num:loop</span>:
<span id="L254" class="LineNr">254 </span>    <span class="subxComment"># if (out-&gt;write &gt;= out-&gt;size) error</span>
<span id="L255" class="LineNr">255 </span>    39/compare                      3/mod/direct    2/rm32/edx   <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 edx with ecx</span>
<span id="L256" class="LineNr">256 </span>    7d/jump-if-&lt;  $get-num:loop-stage2/disp8
<span id="L257" class="LineNr">257 </span>    <span class="subxS1Comment"># . error(ed, err, msg)  # TODO: show full number</span>
<span id="L258" class="LineNr">258 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L259" class="LineNr">259 </span>    68/push  <span class="Constant">&quot;get-num: too many digits in number&quot;</span>/imm32
<span id="L260" class="LineNr">260 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0x10/disp8     <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+16)</span>
<span id="L261" class="LineNr">261 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0x14/disp8     <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+20)</span>
<span id="L262" class="LineNr">262 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L263" class="LineNr">263 </span>    e8/call  <a href='../114error.subx.html#L9'>error</a>/disp32  <span class="subxComment"># never returns</span>
<span id="L264" class="LineNr">264 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L265" class="LineNr">265 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
<span id="L266" class="LineNr">266 </span><span class="Constant">$get-num:loop-stage2</span>:
<span id="L267" class="LineNr">267 </span>    <span class="subxComment"># out-&gt;data[out-&gt;write] = LSB(Look)</span>
<span id="L268" class="LineNr">268 </span>    8d/copy-address                 1/mod/*+disp8   4/rm32/sib    7/base/edi  1/index/ecx  <span class="Normal"> . </span>          3/r32/ebx   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy edi+ecx+12 to ebx</span>
<span id="L269" class="LineNr">269 </span>    8b/copy                         0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   <span class="SpecialChar"><a href='crenshaw2-1b.subx.html#L747'>Look</a></span>/disp32    <span class="Normal"> . </span>                <span class="subxComment"># copy *Look to eax</span>
<span id="L270" class="LineNr">270 </span>    88/copy-byte                    0/mod/indirect  3/rm32/ebx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/AL   <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy byte at AL to *ebx</span>
<span id="L271" class="LineNr">271 </span>    <span class="subxComment"># ++out-&gt;write</span>
<span id="L272" class="LineNr">272 </span>    41/increment-ecx
<span id="L273" class="LineNr">273 </span>    <span class="subxComment"># Look = get-char(in)</span>
<span id="L274" class="LineNr">274 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L275" class="LineNr">275 </span>    56/push-esi
<span id="L276" class="LineNr">276 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L277" class="LineNr">277 </span>    e8/call  <a href='crenshaw2-1b.subx.html#L702'>get-char</a>/disp32
<span id="L278" class="LineNr">278 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L279" class="LineNr">279 </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="L280" class="LineNr">280 </span>    <span class="subxComment"># if (digit?(Look)) loop</span>
<span id="L281" class="LineNr">281 </span>    <span class="subxS1Comment"># . eax = digit?(Look)</span>
<span id="L282" class="LineNr">282 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L283" class="LineNr">283 </span>    ff          6/subop/push        0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          <span class="SpecialChar"><a href='crenshaw2-1b.subx.html#L747'>Look</a></span>/disp32    <span class="Normal"> . </span>                <span class="subxComment"># push *Look</span>
<span id="L284" class="LineNr">284 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L285" class="LineNr">285 </span>    e8/call  <a href='crenshaw2-1b.subx.html#L725'>digit?</a>/disp32
<span id="L286" class="LineNr">286 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L287" class="LineNr">287 </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="L288" class="LineNr">288 </span>    <span class="subxS1Comment"># . if (eax != false) loop</span>
<span id="L289" class="LineNr">289 </span>    3d/compare-eax-and  0/imm32/false
<span id="L290" class="LineNr">290 </span>    0f 85/jump-if-!=  $get-num:<span class="Constant">loop</span>/disp32
<span id="L291" class="LineNr">291 </span><span class="Constant">$get-num:loop-end</span>:
<span id="L292" class="LineNr">292 </span>    <span class="subxComment"># persist necessary variables from registers</span>
<span id="L293" class="LineNr">293 </span>    89/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 ecx to *edi</span>
<span id="L294" class="LineNr">294 </span><span class="Constant">$get-num:end</span>:
<span id="L295" class="LineNr">295 </span>    <span class="subxS1Comment"># . restore registers</span>
<span id="L296" class="LineNr">296 </span>    5f/pop-to-edi
<span id="L297" class="LineNr">297 </span>    5e/pop-to-esi
<span id="L298" class="LineNr">298 </span>    5b/pop-to-ebx
<span id="L299" class="LineNr">299 </span>    5a/pop-to-edx
<span id="L300" class="LineNr">300 </span>    59/pop-to-ecx
<span id="L301" class="LineNr">301 </span>    58/pop-to-eax
<span id="L302" class="LineNr">302 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L303" class="LineNr">303 </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="L304" class="LineNr">304 </span>    5d/pop-to-ebp
<span id="L305" class="LineNr">305 </span>    c3/return
<span id="L306" class="LineNr">306 </span>
<span id="L307" class="LineNr">307 </span><span class="subxTest">test-get-num-reads-single-digit</span>:
<span id="L308" class="LineNr">308 </span>    <span class="subxH1Comment"># - check that get-num returns first character if it's a digit</span>
<span id="L309" class="LineNr">309 </span>    <span class="subxComment"># This test uses exit-descriptors. Use ebp for setting up local variables.</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"># clear all streams</span>
<span id="L313" class="LineNr">313 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
<span id="L314" class="LineNr">314 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L315" class="LineNr">315 </span>    68/push  <a href='../108write.subx.html#L151'>_test-stream</a>/imm32
<span id="L316" class="LineNr">316 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L317" class="LineNr">317 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L318" class="LineNr">318 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L319" class="LineNr">319 </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="L320" class="LineNr">320 </span>    <span class="subxS1Comment"># . clear-stream($_test-buffered-file-&gt;buffer)</span>
<span id="L321" class="LineNr">321 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L322" class="LineNr">322 </span>    68/push  $_test-buffered-file-&gt;buffer/imm32
<span id="L323" class="LineNr">323 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L324" class="LineNr">324 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L325" class="LineNr">325 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L326" class="LineNr">326 </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="L327" class="LineNr">327 </span>    <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span>
<span id="L328" class="LineNr">328 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L329" class="LineNr">329 </span>    68/push  <a href='../115write-byte.subx.html#L287'>_test-output-stream</a>/imm32
<span id="L330" class="LineNr">330 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L331" class="LineNr">331 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</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>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L334" class="LineNr">334 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
<span id="L335" class="LineNr">335 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L336" class="LineNr">336 </span>    68/push  <a href='../115write-byte.subx.html#L438'>_test-error-stream</a>/imm32
<span id="L337" class="LineNr">337 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L338" class="LineNr">338 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L339" class="LineNr">339 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L340" class="LineNr">340 </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="L341" class="LineNr">341 </span>    <span class="subxComment"># initialize 'in'</span>
<span id="L342" class="LineNr">342 </span>    <span class="subxS1Comment"># . write(_test-stream, &quot;3&quot;)</span>
<span id="L343" class="LineNr">343 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L344" class="LineNr">344 </span>    68/push  <span class="Constant">&quot;3&quot;</span>/imm32
<span id="L345" class="LineNr">345 </span>    68/push  <a href='../108write.subx.html#L151'>_test-stream</a>/imm32
<span id="L346" class="LineNr">346 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L347" class="LineNr">347 </span>    e8/call  <a href='../108write.subx.html#L24'>write</a>/disp32
<span id="L348" class="LineNr">348 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L349" class="LineNr">349 </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="L350" class="LineNr">350 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span>
<span id="L351" class="LineNr">351 </span>    <span class="subxS1Comment"># . var ed/eax: exit-descriptor</span>
<span id="L352" class="LineNr">352 </span>    81          5/subop/subtract    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"># subtract from esp</span>
<span id="L353" class="LineNr">353 </span>    89/copy                         3/mod/direct    0/rm32/eax   <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 eax</span>
<span id="L354" class="LineNr">354 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span>
<span id="L355" class="LineNr">355 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L356" class="LineNr">356 </span>    68/push  0x10/imm32/nbytes-of-args-for-get-num
<span id="L357" class="LineNr">357 </span>    50/push-eax/ed
<span id="L358" class="LineNr">358 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L359" class="LineNr">359 </span>    e8/call  <a href='../110stop.subx.html#L44'>tailor-exit-descriptor</a>/disp32
<span id="L360" class="LineNr">360 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L361" class="LineNr">361 </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="L362" class="LineNr">362 </span>    <span class="subxComment"># prime the pump</span>
<span id="L363" class="LineNr">363 </span>    <span class="subxS1Comment"># . get-char(_test-buffered-file)</span>
<span id="L364" class="LineNr">364 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L365" class="LineNr">365 </span>    68/push  <a href='../112read-byte.subx.html#L318'>_test-buffered-file</a>/imm32
<span id="L366" class="LineNr">366 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L367" class="LineNr">367 </span>    e8/call  <a href='crenshaw2-1b.subx.html#L702'>get-char</a>/disp32
<span id="L368" class="LineNr">368 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L369" class="LineNr">369 </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="L370" class="LineNr">370 </span>    <span class="subxComment"># get-num(in, out, err, ed)</span>
<span id="L371" class="LineNr">371 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L372" class="LineNr">372 </span>    50/push-eax/ed
<span id="L373" class="LineNr">373 </span>    68/push  <a href='../115write-byte.subx.html#L438'>_test-error-stream</a>/imm32
<span id="L374" class="LineNr">374 </span>    68/push  <a href='../115write-byte.subx.html#L287'>_test-output-stream</a>/imm32
<span id="L375" class="LineNr">375 </span>    68/push  <a href='../112read-byte.subx.html#L318'>_test-buffered-file</a>/imm32
<span id="L376" class="LineNr">376 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L377" class="LineNr">377 </span>    e8/call  <a href='crenshaw2-1b.subx.html#L187'>get-num</a>/disp32
<span id="L378" class="LineNr">378 </span>    <span class="subxComment"># registers except esp may be clobbered at this point</span>
<span id="L379" class="LineNr">379 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L380" class="LineNr">380 </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>              0x10/imm32        <span class="subxComment"># add to esp</span>
<span id="L381" class="LineNr">381 </span>    <span class="subxComment"># check-ints-equal(*_test-output-stream-&gt;data, '3', msg)</span>
<span id="L382" class="LineNr">382 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L383" class="LineNr">383 </span>    68/push  <span class="Constant">&quot;F - test-get-num-reads-single-digit&quot;</span>/imm32
<span id="L384" class="LineNr">384 </span>    68/push  0x33/imm32
<span id="L385" class="LineNr">385 </span>    b8/copy-to-eax  <a href='../115write-byte.subx.html#L287'>_test-output-stream</a>/imm32
<span id="L386" class="LineNr">386 </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>          0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># push *(eax+12)</span>
<span id="L387" class="LineNr">387 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L388" class="LineNr">388 </span>    e8/call  <a href='../102test.subx.html#L23'>check-ints-equal</a>/disp32
<span id="L389" class="LineNr">389 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L390" class="LineNr">390 </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="L391" class="LineNr">391 </span>    <span class="subxS1Comment"># . reclaim locals</span>
<span id="L392" class="LineNr">392 </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="L393" class="LineNr">393 </span>    5d/pop-to-ebp
<span id="L394" class="LineNr">394 </span>    c3/return
<span id="L395" class="LineNr">395 </span>
<span id="L396" class="LineNr">396 </span><span class="subxTest">test-get-num-aborts-on-non-digit-in-Look</span>:
<span id="L397" class="LineNr">397 </span>    <span class="subxH1Comment"># - check that get-num returns first character if it's a digit</span>
<span id="L398" class="LineNr">398 </span>    <span class="subxComment"># This test uses exit-descriptors. Use ebp for setting up local variables.</span>
<span id="L399" class="LineNr">399 </span>    55/push-ebp
<span id="L400" class="LineNr">400 </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="L401" class="LineNr">401 </span>    <span class="subxComment"># clear all streams</span>
<span id="L402" class="LineNr">402 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
<span id="L403" class="LineNr">403 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L404" class="LineNr">404 </span>    68/push  <a href='../108write.subx.html#L151'>_test-stream</a>/imm32
<span id="L405" class="LineNr">405 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L406" class="LineNr">406 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L407" class="LineNr">407 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L408" class="LineNr">408 </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="L409" class="LineNr">409 </span>    <span class="subxS1Comment"># . clear-stream($_test-buffered-file-&gt;buffer)</span>
<span id="L410" class="LineNr">410 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L411" class="LineNr">411 </span>    68/push  $_test-buffered-file-&gt;buffer/imm32
<span id="L412" class="LineNr">412 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L413" class="LineNr">413 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L414" class="LineNr">414 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L415" class="LineNr">415 </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="L416" class="LineNr">416 </span>    <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span>
<span id="L417" class="LineNr">417 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L418" class="LineNr">418 </span>    68/push  <a href='../115write-byte.subx.html#L287'>_test-output-stream</a>/imm32
<span id="L419" class="LineNr">419 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L420" class="LineNr">420 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L421" class="LineNr">421 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L422" class="LineNr">422 </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="L423" class="LineNr">423 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
<span id="L424" class="LineNr">424 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L425" class="LineNr">425 </span>    68/push  <a href='../115write-byte.subx.html#L438'>_test-error-stream</a>/imm32
<span id="L426" class="LineNr">426 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L427" class="LineNr">427 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L428" class="LineNr">428 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L429" class="LineNr">429 </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="L430" class="LineNr">430 </span>    <span class="subxComment"># initialize 'in'</span>
<span id="L431" class="LineNr">431 </span>    <span class="subxS1Comment"># . write(_test-stream, &quot;3&quot;)</span>
<span id="L432" class="LineNr">432 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L433" class="LineNr">433 </span>    68/push  <span class="Constant">&quot;3&quot;</span>/imm32
<span id="L434" class="LineNr">434 </span>    68/push  <a href='../108write.subx.html#L151'>_test-stream</a>/imm32
<span id="L435" class="LineNr">435 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L436" class="LineNr">436 </span>    e8/call  <a href='../108write.subx.html#L24'>write</a>/disp32
<span id="L437" class="LineNr">437 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L438" class="LineNr">438 </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="L439" class="LineNr">439 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span>
<span id="L440" class="LineNr">440 </span>    <span class="subxS1Comment"># . var ed/eax: exit-descriptor</span>
<span id="L441" class="LineNr">441 </span>    81          5/subop/subtract    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"># subtract from esp</span>
<span id="L442" class="LineNr">442 </span>    89/copy                         3/mod/direct    0/rm32/eax   <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 eax</span>
<span id="L443" class="LineNr">443 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span>
<span id="L444" class="LineNr">444 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L445" class="LineNr">445 </span>    68/push  0x10/imm32/nbytes-of-args-for-get-num
<span id="L446" class="LineNr">446 </span>    50/push-eax/ed
<span id="L447" class="LineNr">447 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L448" class="LineNr">448 </span>    e8/call  <a href='../110stop.subx.html#L44'>tailor-exit-descriptor</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"># *don't* prime the pump</span>
<span id="L452" class="LineNr">452 </span>    <span class="subxComment"># get-num(in, out, err, ed)</span>
<span id="L453" class="LineNr">453 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L454" class="LineNr">454 </span>    50/push-eax/ed
<span id="L455" class="LineNr">455 </span>    68/push  <a href='../115write-byte.subx.html#L438'>_test-error-stream</a>/imm32
<span id="L456" class="LineNr">456 </span>    68/push  <a href='../115write-byte.subx.html#L287'>_test-output-stream</a>/imm32
<span id="L457" class="LineNr">457 </span>    68/push  <a href='../112read-byte.subx.html#L318'>_test-buffered-file</a>/imm32
<span id="L458" class="LineNr">458 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L459" class="LineNr">459 </span>    e8/call  <a href='crenshaw2-1b.subx.html#L187'>get-num</a>/disp32
<span id="L460" class="LineNr">460 </span>    <span class="subxComment"># registers except esp may be clobbered at this point</span>
<span id="L461" class="LineNr">461 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L462" class="LineNr">462 </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>              0x10/imm32        <span class="subxComment"># add to esp</span>
<span id="L463" class="LineNr">463 </span>    <span class="subxComment"># check that get-num tried to call exit(1)</span>
<span id="L464" class="LineNr">464 </span>    <span class="subxS1Comment"># . check-ints-equal(ed-&gt;value, 2, msg)  # i.e. stop was called with value 1</span>
<span id="L465" class="LineNr">465 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L466" class="LineNr">466 </span>    68/push  <span class="Constant">&quot;F - test-get-num-aborts-on-non-digit-in-Look&quot;</span>/imm32
<span id="L467" class="LineNr">467 </span>    68/push  2/imm32
<span id="L468" class="LineNr">468 </span>    <span class="subxS2Comment"># . . push ed-&gt;value</span>
<span id="L469" class="LineNr">469 </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="L470" class="LineNr">470 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L471" class="LineNr">471 </span>    e8/call  <a href='../102test.subx.html#L23'>check-ints-equal</a>/disp32
<span id="L472" class="LineNr">472 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L473" class="LineNr">473 </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="L474" class="LineNr">474 </span>    <span class="subxS1Comment"># . reclaim locals</span>
<span id="L475" class="LineNr">475 </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="L476" class="LineNr">476 </span>    5d/pop-to-ebp
<span id="L477" class="LineNr">477 </span>    c3/return
<span id="L478" class="LineNr">478 </span>
<span id="L479" class="LineNr">479 </span><span class="subxTest">test-get-num-reads-multiple-digits</span>:
<span id="L480" class="LineNr">480 </span>    <span class="subxH1Comment"># - check that get-num returns all initial digits until it encounters a non-digit</span>
<span id="L481" class="LineNr">481 </span>    <span class="subxComment"># This test uses exit-descriptors. Use ebp for setting up local variables.</span>
<span id="L482" class="LineNr">482 </span>    55/push-ebp
<span id="L483" class="LineNr">483 </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="L484" class="LineNr">484 </span>    <span class="subxComment"># clear all streams</span>
<span id="L485" class="LineNr">485 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
<span id="L486" class="LineNr">486 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L487" class="LineNr">487 </span>    68/push  <a href='../108write.subx.html#L151'>_test-stream</a>/imm32
<span id="L488" class="LineNr">488 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L489" class="LineNr">489 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L490" class="LineNr">490 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L491" class="LineNr">491 </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="L492" class="LineNr">492 </span>    <span class="subxS1Comment"># . clear-stream($_test-buffered-file-&gt;buffer)</span>
<span id="L493" class="LineNr">493 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L494" class="LineNr">494 </span>    68/push  $_test-buffered-file-&gt;buffer/imm32
<span id="L495" class="LineNr">495 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L496" class="LineNr">496 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L497" class="LineNr">497 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L498" class="LineNr">498 </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="L499" class="LineNr">499 </span>    <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span>
<span id="L500" class="LineNr">500 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L501" class="LineNr">501 </span>    68/push  <a href='../115write-byte.subx.html#L287'>_test-output-stream</a>/imm32
<span id="L502" class="LineNr">502 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L503" class="LineNr">503 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L504" class="LineNr">504 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L505" class="LineNr">505 </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="L506" class="LineNr">506 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
<span id="L507" class="LineNr">507 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L508" class="LineNr">508 </span>    68/push  <a href='../115write-byte.subx.html#L438'>_test-error-stream</a>/imm32
<span id="L509" class="LineNr">509 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L510" class="LineNr">510 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L511" class="LineNr">511 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L512" class="LineNr">512 </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="L513" class="LineNr">513 </span>    <span class="subxComment"># initialize 'in'</span>
<span id="L514" class="LineNr">514 </span>    <span class="subxS1Comment"># . write(_test-stream, &quot;3456 x&quot;)</span>
<span id="L515" class="LineNr">515 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L516" class="LineNr">516 </span>    68/push  <span class="Constant">&quot;3456&quot;</span>/imm32
<span id="L517" class="LineNr">517 </span>    68/push  <a href='../108write.subx.html#L151'>_test-stream</a>/imm32
<span id="L518" class="LineNr">518 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L519" class="LineNr">519 </span>    e8/call  <a href='../108write.subx.html#L24'>write</a>/disp32
<span id="L520" class="LineNr">520 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L521" class="LineNr">521 </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="L522" class="LineNr">522 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span>
<span id="L523" class="LineNr">523 </span>    <span class="subxS1Comment"># . var ed/eax: exit-descriptor</span>
<span id="L524" class="LineNr">524 </span>    81          5/subop/subtract    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"># subtract from esp</span>
<span id="L525" class="LineNr">525 </span>    89/copy                         3/mod/direct    0/rm32/eax   <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 eax</span>
<span id="L526" class="LineNr">526 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span>
<span id="L527" class="LineNr">527 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L528" class="LineNr">528 </span>    68/push  0x10/imm32/nbytes-of-args-for-get-num
<span id="L529" class="LineNr">529 </span>    50/push-eax/ed
<span id="L530" class="LineNr">530 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L531" class="LineNr">531 </span>    e8/call  <a href='../110stop.subx.html#L44'>tailor-exit-descriptor</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"># prime the pump</span>
<span id="L535" class="LineNr">535 </span>    <span class="subxS1Comment"># . get-char(_test-buffered-file)</span>
<span id="L536" class="LineNr">536 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L537" class="LineNr">537 </span>    68/push  <a href='../112read-byte.subx.html#L318'>_test-buffered-file</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='crenshaw2-1b.subx.html#L702'>get-char</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>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L542" class="LineNr">542 </span>    <span class="subxComment"># get-num(in, out, err, ed)</span>
<span id="L543" class="LineNr">543 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L544" class="LineNr">544 </span>    50/push-eax/ed
<span id="L545" class="LineNr">545 </span>    68/push  <a href='../115write-byte.subx.html#L438'>_test-error-stream</a>/imm32
<span id="L546" class="LineNr">546 </span>    68/push  <a href='../115write-byte.subx.html#L287'>_test-output-stream</a>/imm32
<span id="L547" class="LineNr">547 </span>    68/push  <a href='../112read-byte.subx.html#L318'>_test-buffered-file</a>/imm32
<span id="L548" class="LineNr">548 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L549" class="LineNr">549 </span>    e8/call  <a href='crenshaw2-1b.subx.html#L187'>get-num</a>/disp32
<span id="L550" class="LineNr">550 </span>    <span class="subxComment"># registers except esp may be clobbered at this point</span>
<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>              0x10/imm32        <span class="subxComment"># add to esp</span>
<span id="L553" class="LineNr">553 </span>    <span class="subxComment"># check-ints-equal(*_test-output-stream-&gt;data, '3456', msg)</span>
<span id="L554" class="LineNr">554 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L555" class="LineNr">555 </span>    68/push  <span class="Constant">&quot;F - test-get-num-reads-multiple-digits&quot;</span>/imm32
<span id="L556" class="LineNr">556 </span>    68/push  0x36353433/imm32
<span id="L557" class="LineNr">557 </span>    b8/copy-to-eax  <a href='../115write-byte.subx.html#L287'>_test-output-stream</a>/imm32
<span id="L558" class="LineNr">558 </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>          0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># push *(eax+12)</span>
<span id="L559" class="LineNr">559 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L560" class="LineNr">560 </span>    e8/call  <a href='../102test.subx.html#L23'>check-ints-equal</a>/disp32
<span id="L561" class="LineNr">561 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L562" class="LineNr">562 </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="L563" class="LineNr">563 </span>    <span class="subxS1Comment"># . reclaim locals</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>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L565" class="LineNr">565 </span>    5d/pop-to-ebp
<span id="L566" class="LineNr">566 </span>    c3/return
<span id="L567" class="LineNr">567 </span>
<span id="L568" class="LineNr">568 </span><span class="subxTest">test-get-num-reads-multiple-digits-followed-by-nondigit</span>:
<span id="L569" class="LineNr">569 </span>    <span class="subxH1Comment"># - check that get-num returns all initial digits until it encounters a non-digit</span>
<span id="L570" class="LineNr">570 </span>    <span class="subxComment"># This test uses exit-descriptors. Use ebp for setting up local variables.</span>
<span id="L571" class="LineNr">571 </span>    55/push-ebp
<span id="L572" class="LineNr">572 </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="L573" class="LineNr">573 </span>    <span class="subxComment"># clear all streams</span>
<span id="L574" class="LineNr">574 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
<span id="L575" class="LineNr">575 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L576" class="LineNr">576 </span>    68/push  <a href='../108write.subx.html#L151'>_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='../106stream.subx.html#L17'>clear-stream</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>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L581" class="LineNr">581 </span>    <span class="subxS1Comment"># . clear-stream($_test-buffered-file-&gt;buffer)</span>
<span id="L582" class="LineNr">582 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L583" class="LineNr">583 </span>    68/push  $_test-buffered-file-&gt;buffer/imm32
<span id="L584" class="LineNr">584 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L585" class="LineNr">585 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L586" class="LineNr">586 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L587" class="LineNr">587 </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="L588" class="LineNr">588 </span>    <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span>
<span id="L589" class="LineNr">589 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L590" class="LineNr">590 </span>    68/push  <a href='../115write-byte.subx.html#L287'>_test-output-stream</a>/imm32
<span id="L591" class="LineNr">591 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L592" class="LineNr">592 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L593" class="LineNr">593 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L594" class="LineNr">594 </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="L595" class="LineNr">595 </span>    <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span>
<span id="L596" class="LineNr">596 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L597" class="LineNr">597 </span>    68/push  <a href='../115write-byte.subx.html#L438'>_test-error-stream</a>/imm32
<span id="L598" class="LineNr">598 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L599" class="LineNr">599 </span>    e8/call  <a href='../106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L600" class="LineNr">600 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L601" class="LineNr">601 </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="L602" class="LineNr">602 </span>    <span class="subxComment"># initialize 'in'</span>
<span id="L603" class="LineNr">603 </span>    <span class="subxS1Comment"># . write(_test-stream, &quot;3456 x&quot;)</span>
<span id="L604" class="LineNr">604 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L605" class="LineNr">605 </span>    68/push  <span class="Constant">&quot;3456 x&quot;</span>/imm32
<span id="L606" class="LineNr">606 </span>    68/push  <a href='../108write.subx.html#L151'>_test-stream</a>/imm32
<span id="L607" class="LineNr">607 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L608" class="LineNr">608 </span>    e8/call  <a href='../108write.subx.html#L24'>write</a>/disp32
<span id="L609" class="LineNr">609 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L610" class="LineNr">610 </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="L611" class="LineNr">611 </span>    <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span>
<span id="L612" class="LineNr">612 </span>    <span class="subxS1Comment"># . var ed/eax: exit-descriptor</span>
<span id="L613" class="LineNr">613 </span>    81          5/subop/subtract    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"># subtract from esp</span>
<span id="L614" class="LineNr">614 </span>    89/copy                         3/mod/direct    0/rm32/eax   <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 eax</span>
<span id="L615" class="LineNr">615 </span>    <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span>
<span id="L616" class="LineNr">616 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L617" class="LineNr">617 </span>    68/push  0x10/imm32/nbytes-of-args-for-get-num
<span id="L618" class="LineNr">618 </span>    50/push-eax/ed
<span id="L619" class="LineNr">619 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L620" class="LineNr">620 </span>    e8/call  <a href='../110stop.subx.html#L44'>tailor-exit-descriptor</a>/disp32
<span id="L621" class="LineNr">621 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L622" class="LineNr">622 </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="L623" class="LineNr">623 </span>    <span class="subxComment"># prime the pump</span>
<span id="L624" class="LineNr">624 </span>    <span class="subxS1Comment"># . get-char(_test-buffered-file)</span>
<span id="L625" class="LineNr">625 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L626" class="LineNr">626 </span>    68/push  <a href='../112read-byte.subx.html#L318'>_test-buffered-file</a>/imm32
<span id="L627" class="LineNr">627 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L628" class="LineNr">628 </span>    e8/call  <a href='crenshaw2-1b.subx.html#L702'>get-char</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>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L631" class="LineNr">631 </span>    <span class="subxComment"># get-num(in, out, err, ed)</span>
<span id="L632" class="LineNr">632 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L633" class="LineNr">633 </span>    50/push-eax/ed
<span id="L634" class="LineNr">634 </span>    68/push  <a href='../115write-byte.subx.html#L438'>_test-error-stream</a>/imm32
<span id="L635" class="LineNr">635 </span>    68/push  <a href='../115write-byte.subx.html#L287'>_test-output-stream</a>/imm32
<span id="L636" class="LineNr">636 </span>    68/push  <a href='../112read-byte.subx.html#L318'>_test-buffered-file</a>/imm32
<span id="L637" class="LineNr">637 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L638" class="LineNr">638 </span>    e8/call  <a href='crenshaw2-1b.subx.html#L187'>get-num</a>/disp32
<span id="L639" class="LineNr">639 </span>    <span class="subxComment"># registers except esp may be clobbered at this point</span>
<span id="L640" class="LineNr">640 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L641" class="LineNr">641 </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>              0x10/imm32        <span class="subxComment"># add to esp</span>
<span id="L642" class="LineNr">642 </span>    <span class="subxComment"># check-ints-equal(*_test-output-stream-&gt;data, '3456', msg)</span>
<span id="L643" class="LineNr">643 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L644" class="LineNr">644 </span>    68/push  <span class="Constant">&quot;F - test-get-num-reads-multiple-digits-followed-by-nondigit&quot;</span>/imm32
<span id="L645" class="LineNr">645 </span>    68/push  0x36353433/imm32
<span id="L646" class="LineNr">646 </span>    b8/copy-to-eax  <a href='../115write-byte.subx.html#L287'>_test-output-stream</a>/imm32
<span id="L647" class="LineNr">647 </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>          0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># push *(eax+12)</span>
<span id="L648" class="LineNr">648 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L649" class="LineNr">649 </span>    e8/call  <a href='../102test.subx.html#L23'>check-ints-equal</a>/disp32
<span id="L650" class="LineNr">650 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L651" class="LineNr">651 </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="L652" class="LineNr">652 </span>    <span class="subxS1Comment"># . reclaim locals</span>
<span id="L653" class="LineNr">653 </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="L654" class="LineNr">654 </span>    5d/pop-to-ebp
<span id="L655" class="LineNr">655 </span>    c3/return
<span id="L656" class="LineNr">656 </span>
<span id="L657" class="LineNr">657 </span><span class="subxComment">## helpers</span>
<span id="L658" class="LineNr">658 </span>
<span id="L659" class="LineNr">659 </span><span class="subxComment"># write(f, &quot;Error: &quot;+s+&quot; expected\n&quot;) then stop(ed, 1)</span>
<span id="L660" class="LineNr">660 </span><span class="subxFunction">expected</span>:  <span class="subxComment"># ed: (addr exit-descriptor), f: fd or (addr stream byte), s: (addr array byte)</span>
<span id="L661" class="LineNr">661 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L662" class="LineNr">662 </span>    55/push-ebp
<span id="L663" class="LineNr">663 </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="L664" class="LineNr">664 </span>    <span class="subxComment"># write(f, &quot;Error: &quot;)</span>
<span id="L665" class="LineNr">665 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L666" class="LineNr">666 </span>    68/push  <span class="Constant">&quot;Error: &quot;</span>/imm32
<span id="L667" class="LineNr">667 </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="L668" class="LineNr">668 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L669" class="LineNr">669 </span>    e8/call  <a href='../108write.subx.html#L24'>write</a>/disp32
<span id="L670" class="LineNr">670 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L671" class="LineNr">671 </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="L672" class="LineNr">672 </span>    <span class="subxComment"># write(f, s)</span>
<span id="L673" class="LineNr">673 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L674" class="LineNr">674 </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>          0x10/disp8     <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+16)</span>
<span id="L675" class="LineNr">675 </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="L676" class="LineNr">676 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L677" class="LineNr">677 </span>    e8/call  <a href='../108write.subx.html#L24'>write</a>/disp32
<span id="L678" class="LineNr">678 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L679" class="LineNr">679 </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="L680" class="LineNr">680 </span>    <span class="subxComment"># write(f, &quot; expected\n&quot;)</span>
<span id="L681" class="LineNr">681 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L682" class="LineNr">682 </span>    68/push  <span class="Constant">&quot; expected\n&quot;</span>/imm32
<span id="L683" class="LineNr">683 </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="L684" class="LineNr">684 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L685" class="LineNr">685 </span>    e8/call  <a href='../108write.subx.html#L24'>write</a>/disp32
<span id="L686" class="LineNr">686 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L687" class="LineNr">687 </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="L688" class="LineNr">688 </span>    <span class="subxComment"># stop(ed, 1)</span>
<span id="L689" class="LineNr">689 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L690" class="LineNr">690 </span>    68/push  1/imm32
<span id="L691" class="LineNr">691 </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="L692" class="LineNr">692 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L693" class="LineNr">693 </span>    e8/call  <a href='../110stop.subx.html#L92'>stop</a>/disp32
<span id="L694" class="LineNr">694 </span>    <span class="subxComment"># should never get past this point</span>
<span id="L695" class="LineNr">695 </span><span class="Constant">$expected:dead-end</span>:
<span id="L696" class="LineNr">696 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L697" class="LineNr">697 </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="L698" class="LineNr">698 </span>    5d/pop-to-ebp
<span id="L699" class="LineNr">699 </span>    c3/return
<span id="L700" class="LineNr">700 </span>
<span id="L701" class="LineNr">701 </span><span class="subxComment"># read a byte from 'f', and save it in 'Look'</span>
<span id="L702" class="LineNr">702 </span><span class="subxFunction">get-char</span>:  <span class="subxComment"># f: (addr buffered-file)</span>
<span id="L703" class="LineNr">703 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L704" class="LineNr">704 </span>    55/push-ebp
<span id="L705" class="LineNr">705 </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="L706" class="LineNr">706 </span>    <span class="subxS1Comment"># . save registers</span>
<span id="L707" class="LineNr">707 </span>    50/push-eax
<span id="L708" class="LineNr">708 </span>    <span class="subxComment"># eax = read-byte-buffered(f)</span>
<span id="L709" class="LineNr">709 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L710" class="LineNr">710 </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="L711" class="LineNr">711 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L712" class="LineNr">712 </span>    e8/call  <a href='../112read-byte.subx.html#L38'>read-byte-buffered</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>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L715" class="LineNr">715 </span>    <span class="subxComment"># save eax to Look</span>
<span id="L716" class="LineNr">716 </span>    89/copy                         0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   <span class="SpecialChar"><a href='crenshaw2-1b.subx.html#L747'>Look</a></span>/disp32    <span class="Normal"> . </span>                <span class="subxComment"># copy eax to *Look</span>
<span id="L717" class="LineNr">717 </span><span class="Constant">$get-char:end</span>:
<span id="L718" class="LineNr">718 </span>    <span class="subxS1Comment"># . restore registers</span>
<span id="L719" class="LineNr">719 </span>    58/pop-to-eax
<span id="L720" class="LineNr">720 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L721" class="LineNr">721 </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="L722" class="LineNr">722 </span>    5d/pop-to-ebp
<span id="L723" class="LineNr">723 </span>    c3/return
<span id="L724" class="LineNr">724 </span>
<span id="L725" class="LineNr">725 </span><span class="subxFunction">digit?</span>:  <span class="subxComment"># c: int -&gt; eax: boolean</span>
<span id="L726" class="LineNr">726 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L727" class="LineNr">727 </span>    55/push-ebp
<span id="L728" class="LineNr">728 </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="L729" class="LineNr">729 </span>    <span class="subxComment"># eax = false</span>
<span id="L730" class="LineNr">730 </span>    b8/copy-to-eax  0/imm32
<span id="L731" class="LineNr">731 </span>    <span class="subxComment"># if (c &lt; '0') return false</span>
<span id="L732" class="LineNr">732 </span>    81          7/subop/compare     1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8         0x30/imm32        <span class="subxComment"># compare *(ebp+8)</span>
<span id="L733" class="LineNr">733 </span>    7c/jump-if-&lt;  $digit?:end/disp8
<span id="L734" class="LineNr">734 </span>    <span class="subxComment"># if (c &gt; '9') return false</span>
<span id="L735" class="LineNr">735 </span>    81          7/subop/compare     1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8         0x39/imm32        <span class="subxComment"># compare *(ebp+8)</span>
<span id="L736" class="LineNr">736 </span>    7f/jump-if-&gt;  $digit?:end/disp8
<span id="L737" class="LineNr">737 </span>    <span class="subxComment"># otherwise return true</span>
<span id="L738" class="LineNr">738 </span>    b8/copy-to-eax  1/imm32
<span id="L739" class="LineNr">739 </span><span class="Constant">$digit?:end</span>:
<span id="L740" class="LineNr">740 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L741" class="LineNr">741 </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="L742" class="LineNr">742 </span>    5d/pop-to-ebp
<span id="L743" class="LineNr">743 </span>    c3/return
<span id="L744" class="LineNr">744 </span>
<span id="L745" class="LineNr">745 </span>== data
<span id="L746" class="LineNr">746 </span>
<span id="L747" class="LineNr">747 </span><span class="SpecialChar">Look</span>:  <span class="subxComment"># (char with some extra padding)</span>
<span id="L748" class="LineNr">748 </span>    0/imm32
<span id="L749" class="LineNr">749 </span>
<span id="L750" class="LineNr">750 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
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