# HG changeset patch
# User Ludovic Chabant <ludovic@chabant.com>
# Date 1424471831 28800
# Node ID 1a853b37eddfaf262656aeb465e1293dea213cc1
# Parent  7000d598a2a7d31f2e995445d94ef0da6377f322
Add some mostly-working Cscope module (for Windows).

diff -r 7000d598a2a7 -r 1a853b37eddf autoload/gutentags/cscope.vim
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/autoload/gutentags/cscope.vim	Fri Feb 20 14:37:11 2015 -0800
@@ -0,0 +1,68 @@
+" Cscope module for Gutentags
+
+if !has('cscope')
+    throw "Can't enable the cscope module for Gutentags, this Vim has ".
+                \"no support for cscope files."
+endif
+
+" Global Options {{{
+
+if !exists('g:gutentags_cscope_executable')
+    let g:gutentags_cscope_executable = 'cscope'
+endif
+
+if !exists('g:gutentags_scopefile')
+    let g:gutentags_scopefile = 'cscope.out'
+endif
+
+if !exists('g:gutentags_auto_add_cscope')
+    let g:gutentags_auto_add_cscope = 1
+endif
+
+" }}}
+
+" Gutentags Module Interface {{{
+
+let s:runner_exe = gutentags#get_plat_file('update_scopedb')
+let s:added_dbs = []
+
+function! gutentags#cscope#init(project_root) abort
+    let l:dbfile_path = gutentags#get_cachefile(
+                \a:project_root, g:gutentags_scopefile)
+    let b:gutentags_files['cscope'] = l:dbfile_path
+
+    if g:gutentags_auto_add_cscope && filereadable(l:dbfile_path)
+        if index(s:added_dbs, l:dbfile_path) < 0
+            call add(s:added_dbs, l:dbfile_path)
+            execute 'cs add ' . fnameescape(l:dbfile_path)
+        endif
+    endif
+endfunction
+
+function! gutentags#cscope#generate(proj_dir, tags_file, write_mode) abort
+    let l:cmd = gutentags#get_execute_cmd() . s:runner_exe
+    let l:cmd .= ' -e ' . g:gutentags_cscope_executable
+    let l:cmd .= ' -p ' . a:proj_dir
+    let l:cmd .= ' -f ' . a:tags_file
+    let l:cmd .= ' '
+    let l:cmd .= gutentags#get_execute_cmd_suffix()
+
+    call gutentags#trace("Running: " . l:cmd)
+    call gutentags#trace("In:      " . getcwd())
+    if !g:gutentags_fake
+        if !g:gutentags_trace
+            silent execute l:cmd
+        else
+            execute l:cmd
+        endif
+
+        let l:full_scopedb_file = fnamemodify(a:tags_file, ':p')
+        call gutentags#add_progress('cscope', l:full_scopedb_file)
+    else
+        call gutentags#trace("(fake... not actually running)")
+    endif
+    call gutentags#trace("")
+endfunction
+
+" }}}
+
diff -r 7000d598a2a7 -r 1a853b37eddf plat/win32/update_scopedb.cmd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plat/win32/update_scopedb.cmd	Fri Feb 20 14:37:11 2015 -0800
@@ -0,0 +1,74 @@
+@echo off
+setlocal EnableExtensions EnableDelayedExpansion
+
+rem ==========================================
+rem            PARSE ARGUMENTS
+rem ==========================================
+
+set CSCOPE_EXE=cscope
+set DB_FILE=scope.out
+
+:ParseArgs
+if [%1]==[] goto :DoneParseArgs
+if [%1]==[-e] (
+    set CSCOPE_EXE=%~2
+    shift
+    goto :LoopParseArgs
+)
+if [%1]==[-f] (
+    set DB_FILE=%~2
+    shift
+    goto :LoopParseArgs
+)
+if [%1]==[-p] (
+    set PROJ_ROOT=%~2
+    shift
+    goto :LoopParseArgs
+)
+echo Invalid Argument: %1
+goto :Usage
+
+:LoopParseArgs
+shift
+goto :ParseArgs
+
+:DoneParseArgs
+
+
+rem ==========================================
+rem             GENERATE DATABASE
+rem ==========================================
+
+echo Locking db file
+echo locked > "%DB_FILE%.lock"
+
+echo Running cscope
+cscope -R -b -k -f "%DB_FILE%"
+if ERRORLEVEL 1 (
+    echo ERROR: Cscope executable returned non-zero code.
+)
+
+echo Unlocking db file
+del /F "%DB_FILE%.lock"
+if ERRORLEVEL 1 (
+    echo ERROR: Unable to remove file lock.
+)
+
+echo Done.
+
+goto :EOF
+
+
+rem ==========================================
+rem                 USAGE
+rem ==========================================
+
+:Usage
+echo Usage:
+echo    %~n0 ^<options^>
+echo.
+echo    -e [exe=cscope]:     The cscope executable to run
+echo    -f [file=scope.out]: The path to the database file to create
+echo    -p [dir=]:           The path to the project root
+echo.
+