diff options
| -rw-r--r-- | tools/frr.vim | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/tools/frr.vim b/tools/frr.vim index 86aa0c0e3..7cc248f4c 100644 --- a/tools/frr.vim +++ b/tools/frr.vim @@ -34,3 +34,44 @@ endfunction " auto-apply the above based on path rules "autocmd BufRead,BufNewFile /home/.../frr/*.[ch] call CStyleFRR() + +" only load xref file once, remember on script-scope +let s:xrefjson = "" +let s:xrefpath = "" + +" call directly to force reload with :call FRRLoadXrefJson() +function! FRRLoadXrefJson() abort + let s:xrefpath = findfile("frr.xref", ".;") + if empty(s:xrefpath) + throw "frr.xref JSON file not found in current or parent directories" + endif + let xreflines = readfile(s:xrefpath) + let s:xrefjson = json_decode(join(xreflines, "\n")) +endfunction + +function! FRRXrefJson() abort + if empty(s:xrefjson) + call FRRLoadXrefJson() + endif + return s:xrefjson +endfunction + +function! FRRGotoXref(ident) abort + let refs = FRRXrefJson()["refs"] + if has_key(refs, a:ident) + " TODO: in rare cases, one ID may occur in multiple places. + " Add some UI for that. (This happens if the exact same + " format string is logged in multiple places in the same + " file.) + let loc = refs[a:ident][0] + let basepath = fnamemodify(s:xrefpath, ":p:h") + let path = fnamemodify(basepath . "/" . loc["file"], ":.") + execute "e ".fnameescape(path) + execute ":".loc["line"] + else + echoerr printf("cannot find xref with ID %s", a:ident) + endif +endfunction + +" invoke as :GotoXref 23456-ABCDE +command! -bang -nargs=1 GotoXref :call FRRGotoXref(<q-args>) |