From ace2f9f178dd25bee4d9de661050c7ca6a9187e6 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Thu, 10 Sep 2020 02:14:47 -0700
Subject: Added escape ranges

---
 bpeg.bpeg | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'bpeg.bpeg')

diff --git a/bpeg.bpeg b/bpeg.bpeg
index b90f7d0..ef08239 100644
--- a/bpeg.bpeg
+++ b/bpeg.bpeg
@@ -7,7 +7,7 @@ def = @[name]ref __ `= __ @[definition]extendedPat;
 # This is used for command line arguments:
 stringGrammar = *(`\ pat ?`; / .);
 
-pat = empty / dot / string / charRange / char / escape / no / anythingBut
+pat = empty / dot / string / charRange / char / escapeRange / escape / no / anythingBut
     / uptoAnd / repeat / after / before / capture / replace / ref / parens;
 
 empty = `/ >(__ (`}/`}));
@@ -18,7 +18,9 @@ string = (
     );
 charRange = `` @[low]. `- @[high].;
 char = `` @[s].;
-escape = `\ @[s](
+escapeRange = `\ @[low]escapeSequence `- @[high]escapeSequence;
+escape = `\ @[s]escapeSequence;
+escapeSequence = (
         1-3 `0-7
       / `x 2 (`0-9/`a-f/`A-F)
       /`a/`b/`e/`n/`r/`t/`v / . / \n
-- 
cgit v1.2.3