mu - Soul of a tiny new machine. More thorough tests → More comprehensible and rewrite-friendly software → More resilient society.

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html/088file.mu.html

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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 " Scenarios considered: " opening or starting vim with a new or existing file without an extension (should interpret as C++) " opening or starting vim with a new or existing file with a .mu extension " starting vim or opening a buffer without a file name (ok to do nothing) " opening a second file in a new or existing window (shouldn't mess up existing highlighting) " reloading an existing file (shouldn't mess up existing highlighting) command! -nargs=1 E call EditSubx("edit", <f-args>) if exists("&splitvertical") command! -nargs=1 S call EditSubx("vert split", <f-args>) command! -nargs=1 H call EditSubx("hor split", <f-args>) else command! -nargs=1 S call EditSubx("vert split", <f-args>) command! -nargs=1 H call EditSubx("split", <f-args>) endif function! EditSubx(cmd, arg) exec "silent! " . a:cmd . " apps/" . a:arg . ".subx" endfunction " 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/master/Readme.md#a-few-hints-for-debugging command! -nargs=0 L exec "%!grep label |grep -v clear-stream:loop" " run test around cursor if empty($TMUX) " 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; 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


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