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-rwxr-xr-xranger.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/ranger.py b/ranger.py
index 00941750..6d07f608 100755
--- a/ranger.py
+++ b/ranger.py
@@ -55,7 +55,8 @@ try:
 	from ranger import main
 
 except ImportError as errormessage:
-	if str(errormessage).endswith("main"):
+	import sys
+	if not set(sys.argv) & set(('--debug', '-d')):
 		print("Can't import the main module.")
 		print("To run an uninstalled copy of ranger,")
 		print("launch ranger.py in the top directory.")
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-11-27 01:19:29 +0000
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# Read a series of segments from stdin and concatenate segments with the same
# name on stdout.
#
# Segments are emitted in order of first encounter.
#
# Drop lines that are all comments. They could get misleading after assortment
# because we don't know if they refer to the line above or the line below.
#
# To run:
#   $ bootstrap/bootstrap translate [01]*.subx subx-params.subx assort.subx  -o assort
#   $ cat x
#   == code
#   abc
#   == code
#   def
#   $ cat x  |bootstrap/bootstrap run assort
#   == code
#   abc
#   def

== code
#   instruction                     effective address                                                   register    displacement    immediate
# . op          subop               mod             rm32          base        index         scale       r32
# . 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

Entry:  # run tests if necessary, convert stdin if not
    # . prologue
    89/copy                         3/mod/direct    5/rm32/ebp    .           .             .           4/r32/esp   .               .                 # copy esp to ebp

    # initialize heap
    # . Heap = new-segment(Heap-size)
    # . . push args
    68/push  Heap/imm32
    ff          6/subop/push        0/mod/indirect  5/rm32/.disp32            .             .           .           Heap-size/disp32                  # push *Heap-size
    # . . call
    e8/call  new-segment/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp

    # - if argc > 1 and argv[1] == "test", then return run_tests()
    # if (argc <= 1) goto interactive
    81          7/subop/compare     1/mod/*+disp8   5/rm32/ebp    .           .             .           .           0/disp8         1/imm32           # compare *ebp
    7e/jump-if-<=  $subx-assort-main:interactive/disp8
    # if (!kernel-string-equal?(argv[1], "test")) goto interactive
    # . eax = kernel-string-equal?(argv[1], "test")
    # . . push args
    68/push  "test"/imm32
    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp    .           .             .           .           8/disp8         .                 # push *(ebp+8)
    # . . call
    e8/call  kernel-string-equal?/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . if (eax == false) goto interactive
    3d/compare-eax-and  0/imm32/false
    74/jump-if-=  $subx-assort-main:interactive/disp8
    # run-tests()
    e8/call  run-tests/disp32
    # syscall_exit(*Num-test-failures)
    8b/copy                         0/mod/indirect  5/rm32/.disp32            .             .           3/r32/ebx   Num-test-failures/disp32          # copy *Num-test-failures to ebx
    eb/jump  $subx-assort-main:end/disp8
$subx-assort-main:interactive:
    # - otherwise convert stdin
    # var ed/eax: exit-descriptor
    81          5/subop/subtract    3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # subtract from esp
    89/copy                         3/mod/direct    0/rm32/eax    .           .             .           4/r32/esp   .               .                 # copy esp to eax
    # configure ed to really exit()
    # . ed->target = 0
    c7          0/subop/copy        0/mod/direct    0/rm32/eax    .           .             .           .           .               0/imm32           # copy to *eax
    # subx-assort(Stdin, Stdout, Stderr, ed)
    # . . push args
    50/push-eax/ed
    68/push  Stderr/imm32
    68/push  Stdout/imm32
    68/push  Stdin/imm32
    # . . call
    e8/call  subx-assort/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0x10/imm32        # add to esp
    # syscall_exit(0)
    bb/copy-to-ebx  0/imm32
$subx-assort-main:end:
    e8/call  syscall_exit/disp32

# data structure:
#   table: (addr stream {(handle array byte), (handle stream byte)})     (16 bytes/row)
# inefficient; uses sequential search for looking up segments by name

subx-assort:  # in: (addr buffered-file), out: (addr buffered-file)
    # pseudocode:
    #   var table: (addr stream {(handle array byte), (handle stream byte)} 10 rows)
    #   read-segments(in, table)
    #   write-segments(out, table)
    #
    # . prologue
    55/push-ebp
    89/copy                         3/mod/direct    5/rm32/ebp    .           .             .           4/r32/esp   .               .                 # copy esp to ebp
    # . save registers
    51/push-ecx
    # var table/ecx: (stream {string, (handle stream byte)} 160)  # 10 rows * 16 bytes/row
    81          5/subop/subtract    3/mod/direct    4/rm32/esp    .           .             .           .           .               0xa0/imm32        # subtract from esp
    68/push  0xa0/imm32/length
    68/push  0/imm32/read
    68/push  0/imm32/write
    89/copy                         3/mod/direct    1/rm32/ecx    .           .             .           4/r32/esp   .               .                 # copy esp to ecx
    # clear-stream(table)
    # . . push args
    51/push-ecx
    # . . call
    e8/call  clear-stream/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
$subx-assort:read:
#?     # print("read\n") {{{
#?     # . . push args
#?     68/push  "read\n"/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
    # read-segments(in, table)
    # . . push args
    51/push-ecx
    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp    .           .             .           .           8/disp8         .                 # push *(ebp+8)
    # . . call
    e8/call  read-segments/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
$subx-assort:write:
#?     # print("write\n") {{{
#?     # . . push args
#?     68/push  "write\n"/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
    # write-segments(out, table)
    # . . push args
    51/push-ecx
    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp    .           .             .           .           0xc/disp8       .                 # push *(ebp+12)
    # . . call
    e8/call  write-segments/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
$subx-assort:end:
    # . reclaim locals
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xac/imm32        # add to esp
    # . restore registers
    59/pop-to-ecx
    # . epilogue
    89/copy                         3/mod/direct    4/rm32/esp    .           .             .           5/r32/ebp   .               .                 # copy ebp to esp
    5d/pop-to-ebp
    c3/return

test-subx-assort:
    # . prologue
    55/push-ebp
    89/copy                         3/mod/direct    5/rm32/ebp    .           .             .           4/r32/esp   .               .                 # copy esp to ebp
    # setup
    # . clear-stream(_test-input-stream)
    # . . push args
    68/push  _test-input-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
    # . clear-stream($_test-input-buffered-file->buffer)
    # . . push args
    68/push  $_test-input-buffered-file->buffer/imm32
    # . . call
    e8/call  clear-stream/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
    # . clear-stream(_test-output-stream)
    # . . push args
    68/push  _test-output-stream/imm32
    # . . call
    e8/call  clear-stream/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
    # . clear-stream($_test-output-buffered-file->buffer)
    # . . push args
    68/push  $_test-output-buffered-file->buffer/imm32
    # . . call
    e8/call  clear-stream/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
    # initialize input (meta comments in parens)
    #   # comment 1
    #     # comment 2 indented
    #   == code 0x09000000  (new segment)
    #   # comment 3 inside a segment
    #   1
    #                         (empty line)
    #   2 3 # comment 4 inline with other contents
    #   == data 0x0a000000  (new segment)
    #   4 5/imm32
    #   == code  (existing segment but non-contiguous with previous iteration)
    #   6 7
    #   8 9  (multiple lines)
    #   == code  (existing segment contiguous with previous iteration)
    #   10 11
    # . write(_test-input-stream, "# comment 1\n")
    # . . push args
    68/push  "# comment 1\n"/imm32
    68/push  _test-input-stream/imm32
    # . . call
    e8/call  write/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . write(_test-input-stream, "  # comment 2 indented\n")
    # . . push args
    68/push  "  # comment 2 indented\n"/imm32
    68/push  _test-input-stream/imm32
    # . . call
    e8/call  write/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . write(_test-input-stream, "== code 0x09000000\n")
    # . . push args
    68/push  "== code 0x09000000\n"/imm32
    68/push  _test-input-stream/imm32
    # . . call
    e8/call  write/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . write(_test-input-stream, "# comment 3 inside a segment\n")
    # . . push args
    68/push  "# comment 3 inside a segment\n"/imm32
    68/push  _test-input-stream/imm32
    # . . call
    e8/call  write/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . write(_test-input-stream, "1\n")
    # . . push args
    68/push  "1\n"/imm32
    68/push  _test-input-stream/imm32
    # . . call
    e8/call  write/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . write(_test-input-stream, "\n")  # empty line
    # . . push args
    68/push  Newline/imm32
    68/push  _test-input-stream/imm32
    # . . call
    e8/call  write/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . write(_test-input-stream, "2 3 # comment 4 inline with other contents\n")
    # . . push args
    68/push  "2 3 # comment 4 inline with other contents\n"/imm32
    68/push  _test-input-stream/imm32
    # . . call
    e8/call  write/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . write(_test-input-stream, "== data 0x0a000000\n")
    # . . push args
    68/push  "== data 0x0a000000\n"/imm32
    68/push  _test-input-stream/imm32
    # . . call
    e8/call  write/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . write(_test-input-stream, "4 5/imm32\n")
    # . . push args
    68/push  "4 5/imm32\n"/imm32
    68/push  _test-input-stream/imm32
    # . . call
    e8/call  write/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . write(_test-input-stream, "== code\n")
    # . . push args
    68/push  "== code\n"/imm32
    68/push  _test-input-stream/imm32
    # . . call
    e8/call  write/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . write(_test-input-stream, "6 7\n")
    # . . push args
    68/push  "6 7\n"/imm32
    68/push  _test-input-stream/imm32
    # . . call
    e8/call  write/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . write(_test-input-stream, "8 9\n")
    # . . push args
    68/push  "8 9\n"/imm32
    68/push  _test-input-stream/imm32
    # . . call
    e8/call  write/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . write(_test-input-stream, "== code\n")
    # . . push args
    68/push  "== code\n"/imm32
    68/push  _test-input-stream/imm32
    # . . call
    e8/call  write/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . write(_test-input-stream, "10 11\n")
    # . . push args
    68/push  "10 11\n"/imm32
    68/push  _test-input-stream/imm32
    # . . call
    e8/call  write/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # subx-assort(_test-input-buffered-file, _test-output-buffered-file)
    # . . push args
    68/push  _test-output-buffered-file/imm32
    68/push  _test-input-buffered-file/imm32
    # . . call
    e8/call  subx-assort/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . flush(_test-output-buffered-file)
    # . . push args
    68/push  _test-output-buffered-file/imm32
    # . . call
    e8/call  flush/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
    # check output
    #   == code 0x09000000
    #   1
    #   2 3 # comment 4 inline with other contents
    #   6 7
    #   8 9
    #   10 11
    #   == data 0x0a000000
    #   4 5/imm32
#?     # dump output {{{
#?     # . write(2/stderr, "result: ^")
#?     # . . push args
#?     68/push  "result: ^"/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . write-stream(2/stderr, _test-output-stream)
#?     # . . push args
#?     68/push  _test-output-stream/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write-stream/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . write(2/stderr, "$\n")
#?     # . . push args
#?     68/push  "$\n"/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . rewind-stream(_test-output-stream)
#?     # . . push args
#?     68/push  _test-output-stream/imm32
#?     # . . call
#?     e8/call  rewind-stream/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
#?     # }}}
    # . check-next-stream-line-equal(_test-output-stream, "== code 0x09000000", msg)
    # . . push args
    68/push  "F - test-subx-assort/0"/imm32
    68/push  "== code 0x09000000"/imm32
    68/push  _test-output-stream/imm32
    # . . call
    e8/call  check-next-stream-line-equal/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
    # . check-next-stream-line-equal(_test-output-stream, "1", msg)
    # . . push args
    68/push  "F - test-subx-assort/1"/imm32
    68/push  "1"/imm32
    68/push  _test-output-stream/imm32
    # . . call
    e8/call  check-next-stream-line-equal/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
    # . check-next-stream-line-equal(_test-output-stream, "2 3 # comment 4 inline with other contents", msg)
    # . . push args
    68/push  "F - test-subx-assort/2"/imm32
    68/push  "2 3 # comment 4 inline with other contents"/imm32
    68/push  _test-output-stream/imm32
    # . . call
    e8/call  check-next-stream-line-equal/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
    # . check-next-stream-line-equal(_test-output-stream, "6 7", msg)
    # . . push args
    68/push  "F - test-subx-assort/3"/imm32
    68/push  "6 7"/imm32
    68/push  _test-output-stream/imm32
    # . . call
    e8/call  check-next-stream-line-equal/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
    # . check-next-stream-line-equal(_test-output-stream, "8 9", msg)
    # . . push args
    68/push  "F - test-subx-assort/4"/imm32
    68/push  "8 9"/imm32
    68/push  _test-output-stream/imm32
    # . . call
    e8/call  check-next-stream-line-equal/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
    # . check-next-stream-line-equal(_test-output-stream, "10 11", msg)
    # . . push args
    68/push  "F - test-subx-assort/5"/imm32
    68/push  "10 11"/imm32
    68/push  _test-output-stream/imm32
    # . . call
    e8/call  check-next-stream-line-equal/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
    # . check-next-stream-line-equal(_test-output-stream, "== data 0x0a000000", msg)
    # . . push args
    68/push  "F - test-subx-assort/6"/imm32
    68/push  "== data 0x0a000000"/imm32
    68/push  _test-output-stream/imm32
    # . . call
    e8/call  check-next-stream-line-equal/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
    # . check-next-stream-line-equal(_test-output-stream, "4 5/imm32", msg)
    # . . push args
    68/push  "F - test-subx-assort/7"/imm32
    68/push  "4 5/imm32"/imm32
    68/push  _test-output-stream/imm32
    # . . call
    e8/call  check-next-stream-line-equal/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0xc/imm32         # add to esp
    # . epilogue
    89/copy                         3/mod/direct    4/rm32/esp    .           .             .           5/r32/ebp   .               .                 # copy ebp to esp
    5d/pop-to-ebp
    c3/return

read-segments:  # in: (addr buffered-file), table: (addr stream {(handle array byte), (handle stream byte)})
    # pseudocode:
    #   var curr-segment: (addr stream byte) = 0
    #   var line: (stream byte 512)
    #   while true
    #     clear-stream(line)
    #     read-line-buffered(in, line)
    #     if (line->write == 0) break             # end of file
    #     var word-slice = next-word-or-string(line)
    #     if slice-empty?(word-slice)             # whitespace
    #       continue
    #     if slice-starts-with?(word-slice, "#")  # comment
    #       continue
    #     if slice-equal?(word-slice, "==")
    #       var segment-name = next-word-or-string(line)
    #       var segment-slot: (addr handle stream byte) = get-or-insert-slice(table, segment-name, row-size=16)
    #       if *segment-slot != 0
    #         curr-segment = lookup(*segment-slot)
    #         continue
    #       new-stream(Heap, Segment-size, 1, segment-slot)
    #       curr-segment = lookup(*segment-slot)
    #     rewind-stream(line)
    #     write-stream(curr-segment, line)  # abort if curr-segment overflows
    #
    # word-slice and segment-name are both slices with disjoint lifetimes, so
    # we'll use the same address for them.
    #
    # registers:
    #   line: ecx
    #   word-slice and segment-name: edx
    #   segment-name and curr-segment: ebx
    #   word-slice->start: esi
    #   temporary: eax
    #
    # . prologue
    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
    52/push-edx
    53/push-ebx
    56/push-esi
    57/push-edi
    # var line/ecx: (stream byte 512)
    81          5/subop/subtract    3/mod/direct    4/rm32/esp    .           .             .           .           .               0x200/imm32       # subtract from esp
    68/push  0x200/imm32/length
    68/push  0/imm32/read
    68/push  0/imm32/write
    89/copy                         3/mod/direct    1/rm32/ecx    .           .             .           4/r32/esp   .               .                 # copy esp to ecx
    # var word-slice/edx: slice
    68/push  0/imm32/end
    68/push  0/imm32/start
    89/copy                         3/mod/direct    2/rm32/edx    .           .             .           4/r32/esp   .               .                 # copy esp to edx
$read-segments:loop:
    # clear-stream(line)
    # . . push args
    51/push-ecx
    # . . call
    e8/call  clear-stream/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
    # read-line-buffered(in, line)
    # . . push args
    51/push-ecx
    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp    .           .             .           .           8/disp8         .                 # push *(ebp+8)
    # . . call
    e8/call  read-line-buffered/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
$read-segments:check0:
    # if (line->write == 0) break
    81          7/subop/compare     0/mod/indirect  1/rm32/ecx    .           .             .           .           .               0/imm32           # compare *ecx
    0f 84/jump-if-=  $read-segments:break/disp32
#?     # dump line {{{
#?     # . write(2/stderr, "LL: ")
#?     # . . push args
#?     68/push  "LL: "/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . write-stream(2/stderr, line)
#?     # . . push args
#?     51/push-ecx
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write-stream/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . rewind-stream(line)
#?     # . . push args
#?     51/push-ecx
#?     # . . call
#?     e8/call  rewind-stream/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
#?     # . write(2/stderr, "$\n")
#?     # . . push args
#?     68/push  "$\n"/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
    # next-word-or-string(line, word-slice)
    # . . push args
    52/push-edx
    51/push-ecx
    # . . call
    e8/call  next-word-or-string/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
$read-segments:check1:
#?     # print("check1\n") {{{
#?     # . . push args
#?     68/push  "check1\n"/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
    # if (slice-empty?(word-slice)) continue
    # . eax = slice-empty?(word-slice)
    # . . push args
    52/push-edx
    # . . call
    e8/call  slice-empty?/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
    # . if (eax != false) continue
    3d/compare-eax-and  0/imm32/false
    0f 85/jump-if-!=  $read-segments:loop/disp32
$read-segments:check-for-comment:
#?     # print("check for comment\n") {{{
#?     # . . push args
#?     68/push  "check for comment\n"/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
    # if (slice-starts-with?(word-slice, "#")) continue
    # . var start/esi: (addr byte) = word-slice->start
    8b/copy                         0/mod/indirect  2/rm32/edx    .           .             .           6/r32/esi   .               .                 # copy *ecx to esi
    # . var c/eax: byte = *start
    31/xor                          3/mod/direct    0/rm32/eax    .           .             .           0/r32/eax   .               .                 # clear eax
    8a/copy-byte                    0/mod/indirect  6/rm32/esi    .           .             .           0/r32/AL    .               .                 # copy byte at *esi to AL
    # . if (c == '#') continue
    3d/compare-eax-and  0x23/imm32/hash
    0f 84/jump-if-=  $read-segments:loop/disp32
$read-segments:check-for-segment-header:
#?     # print("check for segment header\n") {{{
#?     # . . push args
#?     68/push  "check for segment header\n"/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
#?     # dump word-slice {{{
#?     # . write(2/stderr, "AA: ")
#?     # . . push args
#?     68/push  "AA: "/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . clear-stream($Stderr->buffer)
#?     # . . push args
#?     68/push  $Stderr->buffer/imm32
#?     # . . call
#?     e8/call  clear-stream/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
#?     # . write-slice-buffered(Stderr, word-slice)
#?     # . . push args
#?     52/push-edx
#?     68/push  Stderr/imm32
#?     # . . call
#?     e8/call  write-slice-buffered/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . flush(Stderr)
#?     # . . push args
#?     68/push  Stderr/imm32
#?     # . . call
#?     e8/call  flush/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
#?     # . write(2/stderr, "$\n")
#?     # . . push args
#?     68/push  "$\n"/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
    # if !slice-equal?(word-slice, "==") goto next check
    # . eax = slice-equal?(word-slice, "==")
    # . . push args
    68/push  "=="/imm32
    52/push-edx
    # . . call
    e8/call  slice-equal?/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . if (eax == false) goto next check
    3d/compare-eax-and  0/imm32/false
    0f 84/jump-if-=  $read-segments:regular-line/disp32
    # segment-name = next-word-or-string(line)
    # . . push args
    52/push-edx
    51/push-ecx
    # . . call
    e8/call  next-word-or-string/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # dump segment name {{{
#?     # . write(2/stderr, "AA: ")
#?     # . . push args
#?     68/push  "AA: "/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . clear-stream($Stderr->buffer)
#?     # . . push args
#?     68/push  $Stderr->buffer/imm32
#?     # . . call
#?     e8/call  clear-stream/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
#?     # . write-slice-buffered(Stderr, word-slice)
#?     # . . push args
#?     52/push-edx
#?     68/push  Stderr/imm32
#?     # . . call
#?     e8/call  write-slice-buffered/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . flush(Stderr)
#?     # . . push args
#?     68/push  Stderr/imm32
#?     # . . call
#?     e8/call  flush/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
#?     # . write(2/stderr, "$\n")
#?     # . . push args
#?     68/push  "$\n"/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
    # var segment-slot/edi: (addr handle stream byte) = get-or-insert-slice(table, segment-name, row-size=16, Heap)
    # . eax = get-or-insert-slice(table, segment-name, row-size=16, Heap)
    # . . push args
    68/push  Heap/imm32
    68/push  0x10/imm32/row-size
    52/push-edx
    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp    .           .             .           .           0xc/disp8       .                 # push *(ebp+12)
    # . . call
    e8/call  get-or-insert-slice/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0x10/imm32        # add to esp
    # . edi = eax
    89/copy                         3/mod/direct    7/rm32/edi    .           .             .           0/r32/eax   .               .                 # copy eax to edi
#?     # print("slot: " segment-slot "\n") {{{
#?     # . write("slot: ")
#?     # . . push args
#?     68/push  "slot: "/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . write-int32-hex-buffered(Stderr, segment-slot)
#?     # . . push args
#?     57/push-edi
#?     68/push  Stderr/imm32
#?     # . . call
#?     e8/call  write-int32-hex-buffered/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . flush(Stderr)
#?     # . . push args
#?     68/push  Stderr/imm32
#?     # . . call
#?     e8/call  flush/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
#?     # . write("\n")
#?     # . . push args
#?     68/push  Newline/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
    # if (*segment-slot != 0) update curr-segment and continue
    81          7/subop/compare     0/mod/indirect  7/rm32/edi    .           .             .           .           .               0/imm32           # compare edi
    0f 84/jump-if-=  $read-segments:create-segment/disp32
    # var curr-segment/ebx: (addr stream byte) = lookup(*segment-slot)
    # . eax = lookup(*segment-slot)
    # . . push args
    ff          6/subop/push        1/mod/*+disp8   7/rm32/edi    .           .             .           .           4/disp8         .                 # push *(edi+4)
    ff          6/subop/push        0/mod/indirect  7/rm32/edi    .           .             .           .           .               .                 # push *edi
    # . . call
    e8/call  lookup/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . ebx = eax
    89/copy                         3/mod/direct    3/rm32/ebx    .           .             .           0/r32/eax   .               .                 # copy eax to ebx
    # continue
    e9/jump  $read-segments:loop/disp32
$read-segments:create-segment:
    # new-stream(Heap, Segment-size, 1, segment-slot)
    # . . push args
    57/push-edi
    68/push  1/imm32
    ff          6/subop/push        0/mod/indirect  5/rm32/.disp32            .             .           .           Segment-size/disp32               # push *Segment-size
    68/push  Heap/imm32
    # . . call
    e8/call  new-stream/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0x10/imm32        # add to esp
    # var curr-segment/ebx: (addr stream byte) = lookup(*segment-slot)
    # . eax = lookup(*segment-slot)
    # . . push args
    ff          6/subop/push        1/mod/*+disp8   7/rm32/edi    .           .             .           .           4/disp8         .                 # push *(edi+4)
    ff          6/subop/push        0/mod/indirect  7/rm32/edi    .           .             .           .           .               .                 # push *edi
    # . . call
    e8/call  lookup/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # . ebx = eax
    89/copy                         3/mod/direct    3/rm32/ebx    .           .             .           0/r32/eax   .               .                 # copy eax to ebx
    # fall through
$read-segments:regular-line:
#?     # print("regular line\n") {{{
#?     # . . push args
#?     68/push  "regular line\n"/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
#?     # dump line {{{
#?     # . write(2/stderr, "regular line: ")
#?     # . . push args
#?     68/push  "regular line: "/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . rewind-stream(line)
#?     # . . push args
#?     51/push-ecx
#?     # . . call
#?     e8/call  rewind-stream/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
#?     # . write-stream(2/stderr, line)
#?     # . . push args
#?     51/push-ecx
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write-stream/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . write(2/stderr, "$\n")
#?     # . . push args
#?     68/push  "$\n"/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
#?     # print("addr: " curr-segment->write "\n") {{{
#?     # . write("addr: ")
#?     # . . push args
#?     68/push  "addr: "/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . write-int32-hex-buffered(Stderr, curr-segment)
#?     # . . push args
#?     53/push-ebx
#?     68/push  Stderr/imm32
#?     # . . call
#?     e8/call  write-int32-hex-buffered/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . flush(Stderr)
#?     # . . push args
#?     68/push  Stderr/imm32
#?     # . . call
#?     e8/call  flush/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
#?     # . write("\n")
#?     # . . push args
#?     68/push  Newline/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
#?     # print("write: " curr-segment->write "\n") {{{
#?     # . write("write: ")
#?     # . . push args
#?     68/push  "write: "/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . write-int32-hex-buffered(Stderr, curr-segment->write)
#?     # . . push args
#?     ff          6/subop/push        0/mod/indirect  3/rm32/ebx    .           .             .           .           .               .                 # push *ebx
#?     68/push  Stderr/imm32
#?     # . . call
#?     e8/call  write-int32-hex-buffered/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . flush(Stderr)
#?     # . . push args
#?     68/push  Stderr/imm32
#?     # . . call
#?     e8/call  flush/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
#?     # . write("\n")
#?     # . . push args
#?     68/push  Newline/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
#?     # print("size: " curr-segment->size "\n") {{{
#?     # . write("size: ")
#?     # . . push args
#?     68/push  "size: "/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . write-int32-hex-buffered(Stderr, curr-segment->size)
#?     # . . push args
#?     ff          6/subop/push        1/mod/*+disp8   3/rm32/ebx    .           .             .           .           8/disp8         .                 # push *(ebx+8)
#?     68/push  Stderr/imm32
#?     # . . call
#?     e8/call  write-int32-hex-buffered/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # . flush(Stderr)
#?     # . . push args
#?     68/push  Stderr/imm32
#?     # . . call
#?     e8/call  flush/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
#?     # . write("\n")
#?     # . . push args
#?     68/push  Newline/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
    # rewind-stream(line)
    # . . push args
    51/push-ecx
    # . . call
    e8/call  rewind-stream/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
#?     # print("write stream\n") {{{
#?     # . . push args
#?     68/push  "write stream\n"/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
    # write-stream(curr-segment, line)
    # . . push args
    51/push-ecx
    53/push-ebx
    # . . call
    e8/call  write-stream/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # loop
#?     # print("loop\n") {{{
#?     # . . push args
#?     68/push  "loop\n"/imm32
#?     68/push  2/imm32/stderr
#?     # . . call
#?     e8/call  write/disp32
#?     # . . discard args
#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
#?     # }}}
    e9/jump  $read-segments:loop/disp32
$read-segments:break:
$read-segments:end:
    # . reclaim locals
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0x214/imm32       # add to esp
    # . restore registers
    5f/pop-to-edi
    5e/pop-to-esi
    5b/pop-to-ebx
    5a/pop-to-edx
    59/pop-to-ecx
    58/pop-to-eax
    # . epilogue
    89/copy                         3/mod/direct    4/rm32/esp    .           .             .           5/r32/ebp   .               .                 # copy ebp to esp
    5d/pop-to-ebp
    c3/return

write-segments:  # out: (addr buffered-file), table: (addr stream {(handle array byte), (handle stream byte)})
    # pseudocode:
    #   var curr = table->data
    #   var max = &table->data[table->write]
    #   while curr < max
    #     var stream: (addr stream byte) = lookup(table[i].stream)
    #     write-stream-data(out, stream)
    #     curr += 16
    #   flush(out)
    #
    # . prologue
    55/push-ebp
    89/copy                         3/mod/direct    5/rm32/ebp    .           .             .           4/r32/esp   .               .                 # copy esp to ebp
    # . save registers
    50/push-eax
    52/push-edx
    56/push-esi
    # esi = table
    8b/copy                         1/mod/*+disp8   5/rm32/ebp    .           .             .           6/r32/esi   0xc/disp8       .                 # copy *(ebp+12) to esi
    # var write/edx: int = table->write
    8b/copy                         0/mod/indirect  6/rm32/esi    .           .             .           2/r32/edx   .               .                 # copy *esi to edx
    # var curr/esi: (addr byte) = table->data
    81          0/subop/add         3/mod/direct    6/rm32/esi    .           .             .           .           .               0xc/imm32         # add to eax
    # var max/edx: (addr byte) = curr + write
    01/add                          3/mod/direct    2/rm32/edx    .           .             .           6/r32/esi   .               .                 # add esi to edx
$write-segments:loop:
    # if (curr >= max) break
    39/compare                      3/mod/direct    6/rm32/esi    .           .             .           2/r32/edx   .               .                 # compare esi with edx
    73/jump-if-addr>=  $write-segments:break/disp8
    # var stream/eax: (addr stream byte) = lookup(table[i].stream)
    # . . push args
    ff          6/subop/push        1/mod/*+disp8   6/rm32/esi    .           .             .           .           0xc/disp8       .                 # push *(esi+12)
    ff          6/subop/push        1/mod/*+disp8   6/rm32/esi    .           .             .           .           8/disp8         .                 # push *(esi+8)
    # . . call
    e8/call  lookup/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
    # write-stream-data(out, stream)
    # . . push args
    50/push-eax
    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp    .           .             .           .           8/disp8         .                 # push *(ebp+8)
    # . . call
    e8/call  write-stream-data/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
$write-segments:continue:
    # curr += 16
    81          0/subop/add         3/mod/direct    6/rm32/esi    .           .             .           .           .               0x10/imm32        # add to esi
    eb/jump  $write-segments:loop/disp8
$write-segments:break:
    # flush(out)
    # . . push args
    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp    .           .             .           .           8/disp8         .                 # push *(ebp+8)
    # . . call
    e8/call  flush/disp32
    # . . discard args
    81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               4/imm32           # add to esp
$write-segments:end:
    # . restore registers
    5e/pop-to-esi
    5a/pop-to-edx
    58/pop-to-eax
    # . epilogue
    89/copy                         3/mod/direct    4/rm32/esp    .           .             .           5/r32/ebp   .               .                 # copy ebp to esp
    5d/pop-to-ebp
    c3/return

# . . vim:nowrap:textwidth=0