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there's a variant of compute-width for slices 

Looks like the original compute-width is now dead. But still seems
useful to have around.
This commit is contained in:
Kartik Agaram 2019-07-09 16:23:56 -07:00
parent acc83b644b
commit dc7066c7bf
1 changed files with 5 additions and 9 deletions
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14
subx/apps/survey.subx
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@ -374,7 +374,7 @@ compute-offsets: # in : (address buffered-file), segments : (address stream {st
# trace("segment '", curr-segment-name, "' is at file offset 0x", seg->starting-offset)
# segment-offset = 0
# else
# width = compute-width(word-slice)
# width = compute-width-of-slice(word-slice)
# *segment-offset += width
# *file-offset += width
#
@ -635,16 +635,12 @@ $compute-offsets:construct-next-segment:
c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 . . . compute-offsets:segment-offset/disp32 0/imm32 # copy to *segment-offset
e9/jump $compute-offsets:line-loop/disp32
$compute-offsets:else:
# EAX = slice-to-string(curr-segment-name)
# width/EAX = compute-width-of-slice(word-slice)
# . . push args
52/push-EDX
68/push Heap/imm32
e8/call slice-to-string/disp32
# . . call
e8/call compute-width-of-slice/disp32
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP
# width/EAX = compute-width(word/EAX)
50/push-EAX
e8/call compute-width/disp32
# . discard args
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
# segment-offset += width
# . EBX = *segment-offset