1 files changed, 59 insertions, 57 deletions
diff --git a/autoload/cargo.vim b/autoload/cargo.vim
index e92da22b..d1547fc9 100644
--- a/autoload/cargo.vim
+++ b/autoload/cargo.vim
@@ -1,89 +1,91 @@
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'rust') == -1
   
+function! cargo#Load() 
+    " Utility call to get this script loaded, for debugging
+endfunction
+
 function! cargo#cmd(args)
-    silent! clear
-    if !a:args
-        execute "!" . "cargo ". a:args
+    execute "! cargo" a:args
+endfunction
+
+function! s:nearest_cargo(...) abort
+    " If the second argument is not specified, the first argument determines
+    " whether we will start from the current directory or the directory of the
+    " current buffer, otherwise, we start with the provided path on the 
+    " second argument.
+
+    let l:is_getcwd = get(a:, 1, 0)
+    if l:is_getcwd 
+        let l:starting_path = get(a:, 2, getcwd())
     else
-        echom "Missing arguments"
+        let l:starting_path = get(a:, 2, expand('%:p:h'))
     endif
+
+    return findfile('Cargo.toml', l:starting_path . ';')
 endfunction
 
-function! cargo#build(args)
-    silent! clear
-    if !a:args
-        execute "!" . "cargo build " . a:args
-    else
-        execute "!" . "cargo build"
+function! cargo#nearestCargo(is_getcwd) abort
+    return s:nearest_cargo(a:is_getcwd)
+endfunction
+
+function! cargo#nearestWorkspaceCargo(is_getcwd) abort
+    let l:nearest = s:nearest_cargo(a:is_getcwd)
+    while l:nearest !=# ''
+        for l:line in readfile(l:nearest, '', 0x100)
+            if l:line =~# '\V[workspace]'
+                return l:nearest
+            endif
+        endfor
+        let l:next = fnamemodify(l:nearest, ':p:h:h')
+        let l:nearest = s:nearest_cargo(0, l:next)
+    endwhile
+    return ''
+endfunction
+
+function! cargo#nearestRootCargo(is_getcwd) abort
+    " Try to find a workspace Cargo.toml, and if not found, take the nearest
+    " regular Cargo.toml
+    let l:workspace_cargo = cargo#nearestWorkspaceCargo(a:is_getcwd)
+    if l:workspace_cargo !=# ''
+        return l:workspace_cargo
     endif
-    silent! clear
-    execute "!" . "cargo build"
+    return s:nearest_cargo(a:is_getcwd)
+endfunction
+
+
+function! cargo#build(args)
+    call cargo#cmd("build " . a:args)
 endfunction
 
 function! cargo#clean(args)
-    silent! clear
-    if !a:args
-        execute "!" . "cargo clean " . a:args
-    else
-        execute "!" . "cargo clean"
-    endif
-    silent! clear
-    execute "!" . "cargo clean"
+    call cargo#cmd("clean " . a:args)
 endfunction
 
 function! cargo#doc(args)
-    silent! clear
-    if !a:args
-        execute "!" . "cargo doc " . a:args
-    else
-        execute "!" . "cargo doc"
-    endif
+    call cargo#cmd("doc " . a:args)
 endfunction
 
 function! cargo#new(args)
-    silent! clear
-    if !a:args
-        execute "!cargo new " . a:args
-        :cd `=a:args`
-    else
-        echom "Missing arguments"
-    endif
+    call cargo#cmd("new " . a:args)
+    cd `=a:args`
 endfunction
 
 function! cargo#init(args)
-    silent! clear
-    if !a:args
-        execute "!" . "cargo init " . a:args
-    else
-        execute "!" . "cargo init"
-    endif
+    call cargo#cmd("init " . a:args)
 endfunction
 
 function! cargo#run(args)
-    silent! clear
-    if !a:args
-        execute "!" . "cargo run " . a:args
-    else
-        execute "!" . "cargo run"
-    endif
+    call cargo#cmd("run " . a:args)
 endfunction
 
 function! cargo#test(args)
-    silent! clear
-    if !a:args
-        execute "!" . "cargo test " . a:args
-    else
-        execute "!" . "cargo test"
-    endif
+    call cargo#cmd("test " . a:args)
 endfunction
 
 function! cargo#bench(args)
-    silent! clear
-    if !a:args
-        execute "!" . "cargo bench " . a:args
-    else
-        execute "!" . "cargo bench"
-    endif
+    call cargo#cmd("bench " . a:args)
 endfunction
 
+" vim: set et sw=4 sts=4 ts=8:
+
 endif