httpcaddyfile: Fix expression matcher shortcut in snippets (#6288)

1 files changed, 15 insertions, 0 deletions

diff --git a/caddyconfig/caddyfile/lexer.go b/caddyconfig/caddyfile/lexer.go
index 4db63749b..9b523f397 100644
--- a/caddyconfig/caddyfile/lexer.go
+++ b/caddyconfig/caddyfile/lexer.go
@@ -340,6 +340,8 @@ func (l *lexer) finalizeHeredoc(val []rune, marker string) ([]rune, error) {
 	return []rune(out), nil
 }
 
+// Quoted returns true if the token was enclosed in quotes
+// (i.e. double quotes, backticks, or heredoc).
 func (t Token) Quoted() bool {
 	return t.wasQuoted > 0
 }
@@ -356,6 +358,19 @@ func (t Token) NumLineBreaks() int {
 	return lineBreaks
 }
 
+// Clone returns a deep copy of the token.
+func (t Token) Clone() Token {
+	return Token{
+		File:          t.File,
+		imports:       append([]string{}, t.imports...),
+		Line:          t.Line,
+		Text:          t.Text,
+		wasQuoted:     t.wasQuoted,
+		heredocMarker: t.heredocMarker,
+		snippetName:   t.snippetName,
+	}
+}
+
 var heredocMarkerRegexp = regexp.MustCompile("^[A-Za-z0-9_-]+$")
 
 // isNextOnNewLine tests whether t2 is on a different line from t1