diff options
Diffstat (limited to 'subx/apps')
| -rw-r--r-- | subx/apps/survey.subx | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/subx/apps/survey.subx b/subx/apps/survey.subx index adf91ebd..11591f17 100644 --- a/subx/apps/survey.subx +++ b/subx/apps/survey.subx @@ -318,7 +318,42 @@ test-convert-computes-addresses: compute-offsets: # in : (address buffered-file), segments : (address stream {string, segment-info}), labels : (address stream {string, label-info}) # pseudocode: - # gg + # var curr-segment-name = 0 + # var file-offset = 0, segment-offset = 0 + # var line = new-stream(512, 1) + # while true + # clear-stream(line) + # read-line-buffered(in, line) + # if (line->write == 0) break # end of file + # while true + # var word-slice = next-word(line) + # if slice-empty?(word-slice) # end of line + # break + # if slice-starts-with?(word-slice, "#") # comment + # continue + # if is-label?(word-slice) + # x : (address number) = insert(labels, name) + # *x = segment-offset + # trace("label '", word-slice, "' is in segment '", curr-segment-name, "'") + # trace("label '", word-slice, "' is at offset 0x", file-offset) + # continue + # if slice-equal?(word-slice, "==") + # segment-name : (address slice) = next-word(line) + # if slice-empty?(segment-name) + # abort + # segment-start : (address slice) = next-word(line) + # if slice-empty?(segment-start) + # abort + # seg : (address segment-info) = insert(segments, segment-name) + # seg->starting-address = parse-hex-int(segment-start) + # seg->starting-offset = file-offset + # trace("segment '", segment-name, "' is at file offset 0x", seg->starting-offset) + # trace("segment '", segment-name, "' has size 0x", seg->starting-offset) + # segment-offset = 0 + # else + # width = compute-width(word-slice) + # segment-offset += width + # file-offset += width # # . prolog 55/push-EBP |