1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
" 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 . " " . SubxPath(a:arg)
endfunction
function! SubxPath(arg)
if a:arg =~ "^ex"
return "examples/" . a:arg . ".subx"
else
return "apps/" . a:arg . ".subx"
endif
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 opcodes
else
command! -nargs=0 P split 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
set switchbuf=useopen
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
|