From d0107582ab99e5412d62bbaea029afd3b7d1fab7 Mon Sep 17 00:00:00 2001
From: gonotes <aganno2@gmail.com>
Date: Thu, 15 Oct 2015 16:36:16 +0800
Subject: [PATCH] Add GoTags command to set build tags for oracle

---
 autoload/go/oracle.vim   | 35 +++++++++++++++++++++++++++++++----
 autoload/go/tool.vim     |  5 +++++
 ftplugin/go/commands.vim |  1 +
 3 files changed, 37 insertions(+), 4 deletions(-)
 mode change 100644 => 100755 autoload/go/oracle.vim
 mode change 100644 => 100755 autoload/go/tool.vim
 mode change 100644 => 100755 ftplugin/go/commands.vim

diff --git a/autoload/go/oracle.vim b/autoload/go/oracle.vim
old mode 100644
new mode 100755
index cd754734a7..3be362ca08
--- a/autoload/go/oracle.vim
+++ b/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
@@ -115,6 +121,7 @@ func! s:RunOracle(mode, selected, needs_package) range abort
     " info check Oracle's User Manual section about scopes:
     " https://docs.google.com/document/d/1SLk36YRjjMgKqe490mSRzOPYEDe0Y_WQNRv-EiFYUyw/view#heading=h.nwso96pj07q8
     let cmd .= ' ' . go#util#Shelljoin(scopes)
+    " echon "vim-go: " | echohl Function | echon "current cmd is: '". cmd ."'" | echohl None
 
     echon "vim-go: " | echohl Identifier | echon "analysing ..." | echohl None
 
@@ -156,6 +163,26 @@ 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)
diff --git a/autoload/go/tool.vim b/autoload/go/tool.vim
old mode 100644
new mode 100755
index 64bc026744..767fc6f6d8
--- a/autoload/go/tool.vim
+++ b/autoload/go/tool.vim
@@ -4,6 +4,11 @@ function! go#tool#Files()
     else
         let command = "go list -f '{{range $f := .GoFiles}}{{$.Dir}}/{{$f}}{{printf \"\\n\"}}{{end}}{{range $f := .CgoFiles}}{{$.Dir}}/{{$f}}{{printf \"\\n\"}}{{end}}'"
     endif
+
+    if exists('g:go_oracle_tags')
+        let command .= ' ' .command 
+    endif
+
     let out = go#tool#ExecuteInDir(command)
     return split(out, '\n')
 endfunction
diff --git a/ftplugin/go/commands.vim b/ftplugin/go/commands.vim
old mode 100644
new mode 100755
index 3d998ba40b..31e2a3a983
--- a/ftplugin/go/commands.vim
+++ b/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=? GoTags call go#oracle#Tags(<f-args>)
 
 " tool
 command! -nargs=0 GoFiles echo go#tool#Files()