diff options
Diffstat (limited to 'subx/apps/dquotes.subx')
| -rw-r--r-- | subx/apps/dquotes.subx | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/subx/apps/dquotes.subx b/subx/apps/dquotes.subx index a852a27e..17e63df2 100644 --- a/subx/apps/dquotes.subx +++ b/subx/apps/dquotes.subx @@ -212,6 +212,7 @@ $convert:regular-word: e8/call write-slice/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + # fall through $convert:next-word: # write-buffered(out, " ") # . . push args @@ -250,14 +251,72 @@ $convert:end: 5d/pop-to-EBP c3/return -process-string-literal: # word : (address slice), out : (address buffered-file), string-literal-segment : (address stream) +# Write out 'string-literal' in a new format to 'out-segment', assign it a new +# label, and write the new label out to 'out'. +process-string-literal: # string-literal : (address slice), out : (address buffered-file), out-segment : (address stream) + # pseudocode: + # print(out-segment, "_string#{Next-string-literal}:\n") + # emit-string-literal-data(out-segment, string-literal) + # print(out, "_string#{Next-string-literal}") + # emit-metadata(out, string-literal) + # ++ *Next-string-literal + # # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # . save registers + 51/push-ECX + # var int32-stream/ECX = stream(10) # number of decimal digits a 32-bit number can have + 81 5/subop/subtract 3/mod/direct 4/rm32/ESP . . . . . 0xa/imm32 # subtract from ESP + 68/push 0xa/imm32/decimal-digits-in-32bit-number + 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 + # print(out-segment, "_string#{Next-string-literal}:\n") + # . write(out-segment, "_string") + # . . push args + 68/push "_string"/imm32 + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) + # . . call + e8/call write/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + # . print-int32-decimal(out-segment, *Next-string-literal) + # . write(out-segment, ":\n") + # . . push args + 68/push ":\n"/imm32 + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) + # . . call + e8/call write/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + # emit-string-literal-data(out-segment, string-literal) + # write(out-segment, "\n") + # . . push args + 68/push Newline/imm32 + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) + # . . call + e8/call write/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + # print(out, "_string#{Next-string-literal}") + # . write-buffered(out, "_string") + # . . push args + 68/push "_string"/imm32 + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) + # . . call + e8/call write-buffered/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + # . print-int32-decimal(tmp, *Next-string-literal) + # emit-metadata(out, string-literal) + # ++ *Next-string-literal + ff 0/subop/increment 0/mod/indirect 5/rm32/.disp32 . . . Next-string-literal/disp32 # increment *Num-test-failures $process-string-literal:end: # . reclaim locals + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x16/imm32 # add to ESP # . restore registers + 59/pop-to-ECX # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP @@ -996,4 +1055,7 @@ Segment-size: 0x100/imm32/4KB #? 0x1000/imm32/4KB +Next-string-literal: + 1/imm32 + # . . vim:nowrap:textwidth=0 |