Merge pull request #573 from gonotes/master

Add GoOracleTags command to set build tags for oracle

autoload/go/oracle.vim

@@ -96,18 +96,24 @@ func! s:RunOracle(mode, selected, needs_package) range abort
     if empty(bin_path) 
         return 
     endif
+
+    if exists('g:go_oracle_tags')
+        let tags = get(g:, 'go_oracle_tags')
+    else
+        let tags = ""
+    endif
 
     if a:selected != -1
         let pos1 = s:getpos(line("'<"), col("'<"))
         let pos2 = s:getpos(line("'>"), col("'>"))
-        let cmd = printf('%s -format plain -pos=%s:#%d,#%d %s',
+        let cmd = printf('%s -format plain -pos=%s:#%d,#%d -tags=%s %s',
                     \  bin_path,
-                    \  shellescape(fname), pos1, pos2, a:mode)
+                    \  shellescape(fname), pos1, pos2, tags, a:mode)
     else
         let pos = s:getpos(line('.'), col('.'))
-        let cmd = printf('%s -format plain -pos=%s:#%d %s',
+        let cmd = printf('%s -format plain -pos=%s:#%d -tags=%s %s',
                     \  bin_path,
-                    \  shellescape(fname), pos, a:mode)
+                    \  shellescape(fname), pos, tags, a:mode)
     endif
 
     " now append each scope to the end as Oracle's scope parameter. It can be
@@ -156,6 +162,26 @@ function! go#oracle#Scope(...)
     endif
 endfunction
 
+function! go#oracle#Tags(...)
+    if a:0
+        if a:0 == 1 && a:1 == '""'
+            unlet g:go_oracle_tags
+            echon "vim-go: " | echohl Function | echon "oracle tags is cleared"| echohl None
+        else
+            let g:go_oracle_tags = a:1
+            echon "vim-go: " | echohl Function | echon "oracle tags changed to: '". g:go_oracle_tags ."'" | echohl None
+        endif
+
+        return
+    endif
+
+    if !exists('g:go_oracle_tags')
+        echon "vim-go: " | echohl Function | echon "oracle tags is not set"| echohl None
+    else
+        echon "vim-go: " | echohl Function | echon "current oracle tags: '". g:go_oracle_tags ."'" | echohl None
+    endif
+endfunction
+
 " Show 'implements' relation for selected package
 function! go#oracle#Implements(selected)
     let out = s:RunOracle('implements', a:selected, 0)

doc/vim-go.txt

@@ -432,6 +432,16 @@ COMMANDS                                                          *go-commands*
     the variable |g:go_metalinter_command|. To override the maximum linters
     execution time use |g:go_metalinter_deadline| variable.
 
+                                                             *:GoOracleTags*
+:GoOracleTags [tags]
+
+    Changes the custom |g:go_oracle_tags| setting and overrides it with the
+    given build tags. This command cooperate with GoReferrers command when 
+    there exist mulitiple build tags in your project,then you can set one 
+    of the build tags for GoReferrers to find more accurate.
+    The custom build tags is cleared (unset) if `""` is given. If no arguments
+    is given it prints the current custom build tags.
+
 
 ===============================================================================
 MAPPINGS                                                        *go-mappings*

ftplugin/go/commands.vim

@@ -11,6 +11,7 @@ command! -range=% GoCallstack call go#oracle#Callstack(<count>)
 command! -range=% GoFreevars call go#oracle#Freevars(<count>)
 command! -range=% GoChannelPeers call go#oracle#ChannelPeers(<count>)
 command! -range=% GoReferrers call go#oracle#Referrers(<count>)
+command! -nargs=? GoOracleTags call go#oracle#Tags(<f-args>)
 
 " tool
 command! -nargs=0 GoFiles echo go#tool#Files()