diff options
| author | Kartik Agaram <vc@akkartik.com> | 2019-01-07 13:34:16 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2019-01-07 13:34:16 -0800 |
| commit | 74a46597aad859875327809e885be09e983d24ea (patch) | |
| tree | 69560a3c7e418b5446a2bab9d2f3bd09f5707af8 /subx/apps | |
| parent | a4df80db2bfaf9c5d98e10b4b35f240b71ddc4c0 (diff) | |
| download | mu-74a46597aad859875327809e885be09e983d24ea.tar.gz | |
4913
Diffstat (limited to 'subx/apps')
| -rwxr-xr-x | subx/apps/crenshaw2-1 | bin | 9157 -> 10778 bytes | |||
| -rwxr-xr-x | subx/apps/crenshaw2-1b | bin | 9716 -> 11337 bytes | |||
| -rwxr-xr-x | subx/apps/factorial | bin | 8075 -> 9696 bytes | |||
| -rwxr-xr-x | subx/apps/handle | bin | 8868 -> 10489 bytes | |||
| -rwxr-xr-x | subx/apps/hex | bin | 12671 -> 14292 bytes | |||
| -rw-r--r-- | subx/apps/pack.subx | 24 |
6 files changed, 22 insertions, 2 deletions
diff --git a/subx/apps/crenshaw2-1 b/subx/apps/crenshaw2-1 index 20ac912a..354683d2 100755 --- a/subx/apps/crenshaw2-1 +++ b/subx/apps/crenshaw2-1 Binary files differdiff --git a/subx/apps/crenshaw2-1b b/subx/apps/crenshaw2-1b index 37145d9c..37576192 100755 --- a/subx/apps/crenshaw2-1b +++ b/subx/apps/crenshaw2-1b Binary files differdiff --git a/subx/apps/factorial b/subx/apps/factorial index c05e588f..72217cdd 100755 --- a/subx/apps/factorial +++ b/subx/apps/factorial Binary files differdiff --git a/subx/apps/handle b/subx/apps/handle index d6d0a7f5..ce489c0a 100755 --- a/subx/apps/handle +++ b/subx/apps/handle Binary files differdiff --git a/subx/apps/hex b/subx/apps/hex index 932a3ceb..936ebdce 100755 --- a/subx/apps/hex +++ b/subx/apps/hex Binary files differdiff --git a/subx/apps/pack.subx b/subx/apps/pack.subx index 1cf57867..bad21e0f 100644 --- a/subx/apps/pack.subx +++ b/subx/apps/pack.subx @@ -117,7 +117,7 @@ $main:end: # word = name until '/', then 0 or more metadata separated by '/' # # we won't bother saving the internal structure of lines; reparsing should be cheap using two primitives: -# next-token(stream, delim char) -> slice (start, end pointer) +# next-token(stream, delim char) -> slice (start, end pointers) # slice-equal?(slice, kernel string) # helpers: @@ -136,7 +136,6 @@ $main:end: # emit(out : &buffered-file, word : &slice) # has-metadata?(word : &slice, s : &kernel-string) -> bool -# the main entry point convert: # in : (address buffered-file), out : (address buffered-file), err : (address buffered-file), ed : (address exit-descriptor) -> <void> # pseudocode: # line = new-stream(512, 1) @@ -157,6 +156,27 @@ convert: # in : (address buffered-file), out : (address buffered-file), err : ( 5d/pop-to-EBP c3/return +# (re)compute the bounds of the next word in the line +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 + # skip-whitespace(line) + # . . push args + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) + # . . call + e8/call skip-whitespace/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + # if line->data[line->read] == '#' return (&line->data[line->read], &line->data[line->write]) + # return next-token(line, ' ') + # . restore registers + # . epilog + 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP + 5d/pop-to-EBP + c3/return + == data # . . vim:nowrap:textwidth=0 |