Merge remote-tracking branch 'ttttcrngyblflpp/golang_comment_indent'

rc/filetype/go.kak

@@ -22,6 +22,7 @@ hook global WinSetOption filetype=go %{
     hook window InsertChar \{ -group go-indent go-indent-on-opening-curly-brace
     hook window InsertChar \} -group go-indent go-indent-on-closing-curly-brace
     hook window InsertChar \n -group go-insert go-insert-on-new-line
+    hook window InsertChar \n -group go-insert-closing-delimiter go-insert-closing-delimiter-on-new-line
 
     alias window alt go-alternative-file
 
@@ -101,16 +102,22 @@ define-command -hidden go-indent-on-new-line %~
     evaluate-commands -draft -itersel %=
         # preserve previous line indent
         try %{ execute-keys -draft <semicolon>K<a-&> }
-        # indent after lines ending with { or (
-        try %[ execute-keys -draft k<a-x> <a-k> [{(]\h*$ <ret> j<a-gt> ]
         # cleanup trailing white spaces on the previous line
         try %{ execute-keys -draft k<a-x> s \h+$ <ret>d }
-        # align to opening paren of previous line
+        try %{
-        try %{ execute-keys -draft [( <a-k> \A\([^\n]+\n[^\n]*\n?\z <ret> s \A\(\h*.|.\z <ret> '<a-;>' & }
+            try %{ # line comment
+                execute-keys -draft k<a-x> s ^\h*// <ret>
+            } catch %{ # block comment
+                execute-keys -draft <a-?> /\* <ret> <a-K>\*/<ret>
+            }
+        } catch %{
+            # indent after lines with an unclosed { or (
+            try %< execute-keys -draft [c[({],[)}] <ret> <a-k> \A[({][^\n]*\n[^\n]*\n?\z <ret> j<a-gt> >
             # indent after a switch's case/default statements
             try %[ execute-keys -draft k<a-x> <a-k> ^\h*(case|default).*:$ <ret> j<a-gt> ]
             # deindent closing brace(s) when after cursor
             try %[ execute-keys -draft <a-x> <a-k> ^\h*[})] <ret> gh / [})] <ret> m <a-S> 1<a-&> ]
+        }
     =
 ~
 
@@ -128,7 +135,11 @@ define-command -hidden go-insert-on-new-line %[
     evaluate-commands -no-hooks -draft -itersel %[
         # copy // comments prefix and following white spaces
         try %{ execute-keys -draft <semicolon><c-s>k<a-x> s ^\h*\K/{2,}\h* <ret> y<c-o>P<esc> }
+    ]
+]
 
+define-command -hidden go-insert-closing-delimiter-on-new-line %[
+    evaluate-commands -no-hooks -draft -itersel %[
         # Wisely add '}'.
         evaluate-commands -save-regs x %[
             # Save previous line indent in register x.

test/indent/go/deindent-generic-closing-brace/in

@@ -47,3 +47,9 @@ a := []int{
     someFunction(%( )
     ),
 }
+
+14
+foobar(baz,%( )
+
+15
+foobar{ // some comment%( )

test/indent/go/deindent-generic-closing-brace/out

@@ -63,3 +63,11 @@ a := []int{
         
     ),
 }
+
+14
+foobar(baz,
+    
+
+15
+foobar{ // some comment
+    

test/indent/go/insert-comment/cmd

@@ -0,0 +1 @@
+c<ret>

test/indent/go/insert-comment/in

@@ -0,0 +1,11 @@
+1
+// foo(bar,%( )
+
+2
+	// foo(bar,%( )
+
+3
+// foo{%( )
+
+4
+	// foo{%( )

test/indent/go/insert-comment/out

@@ -0,0 +1,15 @@
+1
+// foo(bar,
+// 
+
+2
+	// foo(bar,
+	// 
+
+3
+// foo{
+// 
+
+4
+	// foo{
+	// 

test/indent/go/insert-comment/rc

@@ -0,0 +1,4 @@
+source "%val{runtime}/colors/default.kak"
+source "%val{runtime}/rc/filetype/go.kak"
+set buffer filetype go
+set-option global disabled_hooks go-insert-closing-delimiter