nimsuggest: make 'con' work again

compiler/lexer.nim

@@ -1061,6 +1061,10 @@ proc rawGetTok*(L: var TLexer, tok: var TToken) =
         inc(L.bufpos)
       else:
         tok.tokType = tkParLe
+        when defined(nimsuggest):
+          if L.fileIdx == gTrackPos.fileIndex and tok.col < gTrackPos.col and
+                    tok.line == gTrackPos.line and gIdeCmd == ideCon:
+            gTrackPos.col = tok.col.int16
     of ')':
       tok.tokType = tkParRi
       inc(L.bufpos)

nimsuggest/tests/tcon1.nim

@@ -0,0 +1,13 @@
+proc test(s: string; a: int) = discard
+proc testB(a, b: string) = discard
+test("hello here", #[!]#)
+testB(#[!]#
+
+
+discard """
+$nimsuggest --tester $file
+>con $1
+con;;skProc;;tcon1.test;;proc (s: string, a: int);;$file;;1;;5;;"";;100
+>con $2
+con;;skProc;;tcon1.testB;;proc (a: string, b: string);;$file;;2;;5;;"";;100
+"""