diff options
Diffstat (limited to 'subx/apps/pack.subx')
| -rw-r--r-- | subx/apps/pack.subx | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/subx/apps/pack.subx b/subx/apps/pack.subx index 65b0f64c..583ee218 100644 --- a/subx/apps/pack.subx +++ b/subx/apps/pack.subx @@ -6240,251 +6240,6 @@ test-convert-instruction-handles-imm8-operand: 5d/pop-to-EBP c3/return -# (re)compute the bounds of the next word in the line -# return empty string on reaching end of file -next-word: # line : (address stream byte), out : (address slice) - # . prolog - 55/push-EBP - 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP - # . save registers - 50/push-EAX - 51/push-ECX - 56/push-ESI - 57/push-EDI - # ESI = line - 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI - # EDI = out - 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 7/r32/EDI 0xc/disp8 . # copy *(EBP+12) to EDI - # skip-chars-matching(line, ' ') - # . . push args - 68/push 0x20/imm32/space - ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) - # . . call - e8/call skip-chars-matching/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP -$next-word:check0: - # if (line->read >= line->write) clear out and return - # . EAX = line->read - 8b/copy 1/mod/*+disp8 6/rm32/ESI . . . 0/r32/EAX 4/disp8 . # copy *(ESI+4) to EAX - # . if (EAX < line->write) goto next check - 3b/compare 0/mod/indirect 6/rm32/ESI . . . 0/r32/EAX . . # compare EAX with *ESI - 7c/jump-if-lesser $next-word:check1/disp8 - # . return out = {0, 0} - c7 0/subop/copy 0/mod/direct 7/rm32/EDI . . . . . 0/imm32 # copy to *EDI - c7 0/subop/copy 1/mod/*+disp8 7/rm32/EDI . . . . 4/disp8 0/imm32 # copy to *(EDI+4) - eb/jump $next-word:end/disp8 -$next-word:check1: - # out->start = &line->data[line->read] - 8b/copy 1/mod/*+disp8 6/rm32/ESI . . . 1/r32/ECX 4/disp8 . # copy *(ESI+4) to ECX - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX . 0/r32/EAX 0xc/disp8 . # copy ESI+ECX+12 to EAX - 89/copy 0/mod/indirect 7/rm32/EDI . . . 0/r32/EAX . . # copy EAX to *EDI - # if (line->data[line->read] == '#') out->end = &line->data[line->write]), skip rest of stream and return - # . EAX = line->data[line->read] - 31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX - 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX . 0/r32/AL 0xc/disp8 . # copy byte at *(ESI+ECX+12) to AL - # . compare - 3d/compare-EAX-and 0x23/imm32/pound - 75/jump-if-not-equal $next-word:not-comment/disp8 - # . out->end = &line->data[line->write] - 8b/copy 0/mod/indirect 6/rm32/ESI . . . 0/r32/EAX . . # copy *ESI to EAX - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX . 0/r32/EAX 0xc/disp8 . # copy ESI+EAX+12 to EAX - 89/copy 1/mod/*+disp8 7/rm32/EDI . . . 0/r32/EAX 4/disp8 . # copy EAX to *(EDI+4) - # . line->read = line->write - 89/copy 1/mod/*+disp8 6/rm32/ESI . . . 0/r32/EAX 4/disp8 . # copy EAX to *(ESI+4) - # . return - eb/jump $next-word:end/disp8 -$next-word:not-comment: - # otherwise skip-chars-not-matching-whitespace(line) # including trailing newline - # . . push args - ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) - # . . call - e8/call skip-chars-not-matching-whitespace/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP - # out->end = &line->data[line->read] - 8b/copy 1/mod/*+disp8 6/rm32/ESI . . . 1/r32/ECX 4/disp8 . # copy *(ESI+4) to ECX - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX . 0/r32/EAX 0xc/disp8 . # copy ESI+ECX+12 to EAX - 89/copy 1/mod/*+disp8 7/rm32/EDI . . . 0/r32/EAX 4/disp8 . # copy EAX to *(EDI+4) -$next-word:end: - # . restore registers - 5f/pop-to-EDI - 5e/pop-to-ESI - 59/pop-to-ECX - 58/pop-to-EAX - # . epilog - 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP - 5d/pop-to-EBP - c3/return - -test-next-word: - # . prolog - 55/push-EBP - 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP - # setup - # . clear-stream(_test-stream) - # . . push args - 68/push _test-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP - # var slice/ECX = {0, 0} - 68/push 0/imm32/end - 68/push 0/imm32/start - 89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX - # write(_test-stream, " ab") - # . . push args - 68/push " ab"/imm32 - 68/push _test-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP - # next-word(_test-stream, slice) - # . . push args - 51/push-ECX - 68/push _test-stream/imm32 - # . . call - e8/call next-word/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP - # check-ints-equal(slice->start - _test-stream->data, 2, msg) - # . check-ints-equal(slice->start - _test-stream, 14, msg) - # . . push args - 68/push "F - test-next-word: start"/imm32 - 68/push 0xe/imm32 - # . . push slice->start - _test-stream - 8b/copy 0/mod/indirect 1/rm32/ECX . . . 0/r32/EAX . . # copy *ECX to EAX - 81 5/subop/subtract 3/mod/direct 0/rm32/EAX . . . . . _test-stream/imm32 # subtract from EAX - 50/push-EAX - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP - # check-ints-equal(slice->end - _test-stream->data, 4, msg) - # . check-ints-equal(slice->end - _test-stream, 16, msg) - # . . push args - 68/push "F - test-next-word: end"/imm32 - 68/push 0x10/imm32 - # . . push slice->end - _test-stream - 8b/copy 1/mod/*+disp8 1/rm32/ECX . . . 0/r32/EAX 4/disp8 . # copy *(ECX+4) to EAX - 81 5/subop/subtract 3/mod/direct 0/rm32/EAX . . . . . _test-stream/imm32 # subtract from EAX - 50/push-EAX - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP - # . epilog - 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP - 5d/pop-to-EBP - c3/return - -test-next-word-returns-whole-comment: - # . prolog - 55/push-EBP - 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP - # setup - # . clear-stream(_test-stream) - # . . push args - 68/push _test-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP - # var slice/ECX = {0, 0} - 68/push 0/imm32/end - 68/push 0/imm32/start - 89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX - # write(_test-stream, " # a") - # . . push args - 68/push " # a"/imm32 - 68/push _test-stream/imm32 - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP - # next-word(_test-stream, slice) - # . . push args - 51/push-ECX - 68/push _test-stream/imm32 - # . . call - e8/call next-word/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP - # check-ints-equal(slice->start - _test-stream->data, 2, msg) - # . check-ints-equal(slice->start - _test-stream, 14, msg) - # . . push args - 68/push "F - test-next-word-returns-whole-comment: start"/imm32 - 68/push 0xe/imm32 - # . . push slice->start - _test-stream - 8b/copy 0/mod/indirect 1/rm32/ECX . . . 0/r32/EAX . . # copy *ECX to EAX - 81 5/subop/subtract 3/mod/direct 0/rm32/EAX . . . . . _test-stream/imm32 # subtract from EAX - 50/push-EAX - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP - # check-ints-equal(slice->end - _test-stream->data, 5, msg) - # . check-ints-equal(slice->end - _test-stream, 17, msg) - # . . push args - 68/push "F - test-next-word-returns-whole-comment: end"/imm32 - 68/push 0x11/imm32 - # . . push slice->end - _test-stream - 8b/copy 1/mod/*+disp8 1/rm32/ECX . . . 0/r32/EAX 4/disp8 . # copy *(ECX+4) to EAX - 81 5/subop/subtract 3/mod/direct 0/rm32/EAX . . . . . _test-stream/imm32 # subtract from EAX - 50/push-EAX - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP - # . epilog - 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP - 5d/pop-to-EBP - c3/return - -test-next-word-returns-empty-string-on-eof: - # . prolog - 55/push-EBP - 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP - # setup - # . clear-stream(_test-stream) - # . . push args - 68/push _test-stream/imm32 - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP - # var slice/ECX = {0, 0} - 68/push 0/imm32/end - 68/push 0/imm32/start - 89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX - # write nothing to _test-stream - # next-word(_test-stream, slice) - # . . push args - 51/push-ECX - 68/push _test-stream/imm32 - # . . call - e8/call next-word/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP - # check-ints-equal(slice->end - slice->start, 0, msg) - # . . push args - 68/push "F - test-next-word-returns-empty-string-on-eof"/imm32 - 68/push 0/imm32 - # . . push slice->end - slice->start - 8b/copy 1/mod/*+disp8 1/rm32/ECX . . . 0/r32/EAX 4/disp8 . # copy *(ECX+4) to EAX - 2b/subtract 0/mod/indirect 1/rm32/ECX . . . 0/r32/EAX . . # subtract *ECX from EAX - 50/push-EAX - # . . call - e8/call check-ints-equal/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP - # . epilog - 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP - 5d/pop-to-EBP - c3/return - has-metadata?: # word : (address slice), s : (address string) -> EAX : boolean # pseudocode: # var twig : &slice = next-token-from-slice(word->start, word->end, '/') # skip name |