From: Jean Privat <jean@pryen.org>
Date: Sat, 17 Oct 2015 02:30:59 +0000 (-0400)
Subject: highlight: add flag `include_loose_tokens`
X-Git-Tag: v0.7.9~27^2~4
X-Git-Url: http://nitlanguage.org

highlight: add flag `include_loose_tokens`

Signed-off-by: Jean Privat <jean@pryen.org>
---

diff --git a/src/highlight.nit b/src/highlight.nit
index 7bce52d..d2be8d8 100644
--- a/src/highlight.nit
+++ b/src/highlight.nit
@@ -48,6 +48,17 @@ class HighlightVisitor
 		html.add_class("nitcode")
 	end
 
+	# When highlighting a node, also consider the loose tokens around it.
+	#
+	# Loose tokens are tokens discarded from the AST but attached before
+	# or after some non-loose tokens. See `Token::is_loose`.
+	#
+	# When this flag is set to `true`, the loose tokens that are before the
+	# first token and after the last token are also highlighted.
+	#
+	# Default: false.
+	var include_loose_tokens = false is writable
+
 	# The entry-point of the highlighting.
 	# Will fill `html` with the generated HTML content.
 	fun enter_visit(n: ANode)
@@ -68,6 +79,11 @@ class HighlightVisitor
 			if l == null then return
 		end
 
+		if include_loose_tokens then
+			if f.prev_looses.not_empty then f = f.prev_looses.first
+			if l.next_looses.not_empty then l = l.next_looses.last
+		end
+
 		htmlize(f, l)
 	end