support initialization of rlist and default_args

Author: itchyny

go/_test/special.go

@@ -35,6 +35,9 @@ node.attr.dict = true
 // skip
 // end skip
 // do not skip
+node.rlist = []*VimNode{}
+node.list = []*VimNode{}
+node.depth = 0
 node.list = self.parse_lvaluelist()
 node.depth = hoge
 node.rlist = []*VimNode{nil, nil}

go/_test/special.vim

@@ -123,7 +123,6 @@ let self.context = {}
 let toplevel.body = {}
 
 let node.body = []
-let node.rlist = []
 let node.attr = {'range': 0, 'abort': 0, 'dict': 0}
 let node.endfunction = s:NIL
 let node.endif = s:NIL
@@ -134,14 +133,15 @@ let node.elseif = s:NIL
 let node.catch = []
 let node.finally = []
 
-let node.list = []
-let node.depth = s:NIL
 let node.pattern = s:NIL
 
 let lhs.list = []
 " end skip
 
 " do not skip
+let node.rlist = []
+let node.list = []
+let node.depth = s:NIL
 let node.list = self.parse_lvaluelist()
 let node.depth = hoge
 let node.pattern = node

go/gocompiler.vim

@@ -452,24 +452,13 @@ function s:GoCompiler.compile_let(node)
     elseif left =~ '^\v(self\.(find_command_cache|cache|buf|pos|context)|toplevel.body|lhs.list|(node\.(body|attr|else_|elseif|catch|finally|pattern|end(function|if|for|try))))$' && op == '='
       " skip initialization
       return
-    elseif left =~ '^\v(node\.(list|depth))$' && op == '='
-      if right == 'nil' || right == '[]interface{}{}'
-        return
-      endif
-      call self.out('%s %s %s', left, op, right)
+    elseif left =~ '^\v%(node\.%(r?list|default_args|body))$' && op == '='
+      call self.out('%s %s %s', left, op, substitute(right, '[]interface{}', '[]*VimNode', 'g'))
       return
-    elseif left =~ 'node.rlist' && op == '='
-      if right == '[]interface{}{}'
-        return
-      endif
-      let m = matchstr(right, '\V[]interface{}{\zs\.\*\ze}\$')
-      if m != ''
-        call self.out('%s = []*VimNode{%s}', left, m)
-      else
-        call self.out('%s = %s', left, right)
-      endif
+    elseif left == 'node.depth' && op == '=' && right == 'nil'
+      call self.out('%s %s %s', left, op, '0')
       return
-    elseif left =~ '^\v(list|curly_parts)$' && op == '=' && right == '[]interface{}{}'
+    elseif left =~ '^\v(r?list|curly_parts)$' && op == '=' && right == '[]interface{}{}'
       call self.out('var %s []*VimNode', left)
       return
     elseif left == 'cmd' && op == '=' && (right == 'nil' || right =~ '^\Vmap[string]interface{}{')