From 46720adb713a931447f4d899729b83b6171138db Mon Sep 17 00:00:00 2001
From: Charlie Stanton <charlie@shtanton.xyz>
Date: Thu, 20 Apr 2023 14:30:28 +0100
Subject: Add ~xyz~ shorthand for =`xyz`=

---
 subex/parse.go | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/subex/parse.go b/subex/parse.go
index 24ff3d1..4b1aa6e 100644
--- a/subex/parse.go
+++ b/subex/parse.go
@@ -61,7 +61,7 @@ func parseNonStringLiteral(l RuneReader) (literals []walk.Atom) {
 			continue
 		}
 		switch r {
-			case '`':
+			case '`', '~':
 				return literals
 			case ' ', '\t':
 				continue
@@ -91,6 +91,8 @@ func parseNonStringLiteral(l RuneReader) (literals []walk.Atom) {
 				literals = append(literals, walk.ArrayBegin)
 			case ']':
 				literals = append(literals, walk.ArrayEnd)
+			default:
+				panic("Invalid literal")
 		}
 	}
 }
@@ -295,6 +297,13 @@ func parseSubex(l RuneReader, minPower int) SubexAST {
 			for _, literal := range literals {
 				lhs = SubexASTConcat {lhs, SubexASTCopyAtom {literal}}
 			}
+		case '~':
+			literals := parseNonStringLiteral(l)
+			var replacement []OutputContent
+			for _, literal := range literals {
+				replacement = append(replacement, OutputAtomLiteral {literal})
+			}
+			lhs = SubexASTOutput {replacement}
 		default:
 			lhs = SubexASTCopyAtom{atom: walk.StringAtom(r)}
 	}
-- 
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