From a88f0e699cec94a28c212fd52c97777e279137d8 Mon Sep 17 00:00:00 2001
From: Tim Holy <tim.holy@gmail.com>
Date: Thu, 26 Jul 2018 11:10:51 -0500
Subject: [PATCH] Don't striplines! from macrocalls

The Base.show method that processes macrocall expressions assumes the first line number is intact
---
 src/relocatable_exprs.jl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/relocatable_exprs.jl b/src/relocatable_exprs.jl
index 6ead1c6e..7520394d 100644
--- a/src/relocatable_exprs.jl
+++ b/src/relocatable_exprs.jl
@@ -65,6 +65,12 @@ function Base.show(io::IO, rex::RelocatableExpr)
 end
 
 function striplines!(rex::RelocatableExpr)
+    if rex.head == :macrocall
+        # for macros, the show method in Base assumes the line number is there,
+        # so don't strip it
+        args3 = [a isa RelocatableExpr ? striplines!(a) : a for a in rex.args[3:end]]
+        return RelocatableExpr(rex.head, rex.args[1:2]..., args3...)
+    end
     args = [a isa RelocatableExpr ? striplines!(a) : a for a in rex.args]
     fargs = collect(LineSkippingIterator(args))
     return RelocatableExpr(rex.head, fargs...)