107 lines
4.0 KiB
VimL
107 lines
4.0 KiB
VimL
" Highlighting literate directives in C++ sources.
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function! HighlightTangledFile()
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" Tangled comments only make sense in the sources and are stripped out of
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" the generated .cc file. They're highlighted same as regular comments.
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syntax match tangledComment /\/\/:.*/ | highlight link tangledComment Comment
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syntax match tangledSalientComment /\/\/::.*/ | highlight link tangledSalientComment SalientComment
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set comments-=://
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set comments-=n://
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set comments+=n://:,n://
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" Inside tangle scenarios.
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syntax region tangleDirective start=+:(+ skip=+".*"+ end=+)+
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highlight link tangleDirective Delimiter
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syntax match traceContains /^+.*/
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highlight traceContains ctermfg=22
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syntax match traceAbsent /^-.*/
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highlight traceAbsent ctermfg=darkred
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syntax match tangleScenarioSetup /^\s*% .*/ | highlight link tangleScenarioSetup SpecialChar
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highlight Special ctermfg=160
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syntax match subxString %"[^"]*"% | highlight link subxString Constant
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" match globals but not registers like 'EAX'
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syntax match subxGlobal %\<[A-Z][a-z0-9_-]*\>% | highlight link subxGlobal SpecialChar
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endfunction
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augroup LocalVimrc
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autocmd BufRead,BufNewFile *.cc call HighlightTangledFile()
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autocmd BufRead,BufNewFile *.subx set ft=subx
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augroup END
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" Scenarios considered:
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" opening or starting vim with a new or existing file without an extension (should interpret as C++)
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" opening or starting vim with a new or existing file with a .mu extension
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" starting vim or opening a buffer without a file name (ok to do nothing)
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" opening a second file in a new or existing window (shouldn't mess up existing highlighting)
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" reloading an existing file (shouldn't mess up existing highlighting)
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" assumes CWD is subx/
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command! -nargs=1 E call EditSubx("edit", <f-args>)
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if exists("&splitvertical")
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command! -nargs=1 S call EditSubx("vert split", <f-args>)
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command! -nargs=1 H call EditSubx("hor split", <f-args>)
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else
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command! -nargs=1 S call EditSubx("vert split", <f-args>)
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command! -nargs=1 H call EditSubx("split", <f-args>)
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endif
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function! EditSubx(cmd, arg)
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exec "silent! " . a:cmd . " " . SubxPath(a:arg)
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endfunction
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function! SubxPath(arg)
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if a:arg =~ "^ex"
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return "examples/" . a:arg . ".subx"
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else
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return "apps/" . a:arg . ".subx"
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endif
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endfunction
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" we often want to crib lines of machine code from other files
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function! GrepSubX(regex)
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" https://github.com/mtth/scratch.vim
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Scratch!
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silent exec "r !grep -h '".a:regex."' *.subx */*.subx"
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endfunction
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command! -nargs=1 G call GrepSubX(<q-args>)
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if exists("&splitvertical")
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command! -nargs=0 P hor split opcodes
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else
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command! -nargs=0 P split opcodes
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endif
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" useful for inspecting just the control flow in a trace
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" see https://github.com/akkartik/mu/blob/master/subx/Readme.md#a-few-hints-for-debugging
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" the '-a' is because traces can sometimes contain unprintable characters that bother grep
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command! -nargs=0 L exec "%!grep -a label |grep -v clear-stream:loop"
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" run test cursor around cursor
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" if test fails, open trace in split window
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" if test passes, just show output and wait for <CR>
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" don't move cursor in original window
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" this solution is unfortunate, but seems forced:
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" can't put initial cursor movement inside function because we rely on <C-r><C-w> to grab word at cursor
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" can't put final cursor movement out of function because that disables the wait for <CR> prompt; function must be final operation of map
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" can't avoid the function because that disables the wait for <CR> prompt
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" known issue:
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" cursor on '#' causes error
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noremap <Leader>t {j0:call RunTestMoveCursor("<C-r><C-w>")<CR>
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function RunTestMoveCursor(arg)
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exec "!run_one_test.sh ".expand("%")." ".a:arg
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exec "normal \<C-o>"
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endfunction
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function RunTestMoveCursorAndMaybeOpenTrace(arg)
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exec "!run_one_test.sh ".expand("%")." ".a:arg
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exec "normal \<C-o>"
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if v:shell_error
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noautocmd vertical split last_run
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endif
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endfunction
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set switchbuf=useopen
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if exists("&splitvertical")
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command! -nargs=0 T badd last_run | sbuffer last_run
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else
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command! -nargs=0 T badd last_run | vert sbuffer last_run
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endif
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