Soul of a tiny new machine. More thorough tests → More comprehensible and rewrite-friendly software → More resilient society.
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" Highlighting literate directives in C++ sources.
function! HighlightTangledFile()
" Tangled comments only make sense in the sources and are stripped out of
" the generated .cc file. They're highlighted same as regular comments.
syntax match tangledComment /\/\/:.*/ | highlight link tangledComment Comment
syntax match tangledSalientComment /\/\/::.*/ | highlight link tangledSalientComment SalientComment
set comments-=://
set comments-=n://
set comments+=n://:,n://
" Inside tangle scenarios.
syntax region tangleDirective start=+:(+ skip=+".*"+ end=+)+
highlight link tangleDirective Delimiter
syntax match traceContains /^+.*/
highlight traceContains ctermfg=22
syntax match traceAbsent /^-.*/
highlight traceAbsent ctermfg=darkred
syntax match tangleScenarioSetup /^\s*% .*/ | highlight link tangleScenarioSetup SpecialChar
highlight Special ctermfg=160
syntax match subxString %"[^"]*"% | highlight link subxString Constant
" match globals but not registers like 'EAX'
syntax match subxGlobal %\<[A-Z][a-z0-9_-]*\>% | highlight link subxGlobal SpecialChar
endfunction
augroup LocalVimrc
autocmd BufRead,BufNewFile *.cc call HighlightTangledFile()
autocmd BufRead,BufNewFile *.subx set ft=subx
augroup END
" we often want to crib lines of machine code from other files
function! GrepSubX(regex)
" https://github.com/mtth/scratch.vim
Scratch!
silent exec "r !grep -h '".a:regex."' *.subx */*.subx"
endfunction
command! -nargs=1 G call GrepSubX(<q-args>)
if exists("&splitvertical")
command! -nargs=0 P hor split subx_opcodes
else
command! -nargs=0 P split subx_opcodes
endif
" useful for inspecting just the control flow in a trace
" see https://github.com/akkartik/mu/blob/main/linux/subx_debugging.md
command! -nargs=0 L exec "%!grep label |grep -v clear-stream:loop"
" show the call stack for the current line in the trace (by temporarily blowing away all earlier lines)
"? command! -nargs=0 C 1,.!awk '$4 == "label"{x[$1] = $0; for(i in x){if(i >= $1){delete x[i]}}} END{for (i in x) {if (i < $1) {print x[i]}}}'
"? command! -nargs=0 C 1,.!awk '$4 == "label"{x[$1] = $0} END{for (i in x) {if (i < $1) {print x[i]}}}'
command! -nargs=0 C 1,.!awk '{x[$1] = $0} END{for (i in x) {if (int(i) < int($1)) {print x[i]}}}'
" run test around cursor
if empty($TMUX) || (system("tmux display-message -p '#{client_control_mode}'") =~ "^1")
" hack: need to move cursor outside function at start (`{`), but inside function at end (`<C-o>`)
" this solution is unfortunate, but seems forced:
" can't put initial cursor movement inside function because we rely on <C-r><C-w> to grab word at cursor
" can't put final cursor movement out of function because that disables the wait for <CR> prompt; function must be final operation of map
" can't avoid the function because that disables the wait for <CR> prompt
noremap <Leader>t {:keeppatterns /^[^ #]<CR>:call RunTestMoveCursor("<C-r><C-w>")<CR>
function! RunTestMoveCursor(arg)
exec "!./run_one_test ".expand("%")." '".a:arg."'"
exec "normal \<C-o>"
endfunction
else
" we have tmux and are not in control mode; we don't need to show any output in the Vim pane so life is simpler
" assume the left-most window is for the shell
noremap <Leader>t {:keeppatterns /^[^ #]<CR>:silent! call RunTestInFirstPane("<C-r><C-w>")<CR><C-o>
function! RunTestInFirstPane(arg)
call RunInFirstPane("./run_one_test ".expand("%")." ".a:arg)
endfunction
function! RunInFirstPane(arg)
exec "!tmux select-pane -t :0.0"
exec "!tmux send-keys '".a:arg."' C-m"
exec "!tmux last-pane"
" for some reason my screen gets messed up, so force a redraw
exec "!tmux send-keys 'C-l'"
endfunction
endif
if exists("&splitvertical")
command! -nargs=0 T badd last_run | sbuffer last_run
else
command! -nargs=0 T badd last_run | vert sbuffer last_run
endif
inoremap <Leader>a <Esc>F<Space>a(addr <Esc>A)
inoremap <Leader>h <Esc>F<Space>a(handle <Esc>A)
inoremap <Leader>ah <Esc>F<Space>a(addr handle <Esc>A)
inoremap <Leader>aa <Esc>F<Space>a(addr array <Esc>A)
inoremap <Leader>ha <Esc>F<Space>a(handle array <Esc>A)
inoremap <Leader>aha <Esc>F<Space>a(addr handle array <Esc>A)
inoremap <Leader>as <Esc>F<Space>a(addr stream <Esc>A)
inoremap <Leader>hs <Esc>F<Space>a(handle stream <Esc>A)
inoremap <Leader>ahs <Esc>F<Space>a(addr handle stream <Esc>A)
inoremap <Leader>as <Esc>F<Space>a(addr stream <Esc>A)
inoremap <Leader>o <Esc>F<Space>a(offset <Esc>A)
inoremap ,- <-
inoremap -. ->