From: Jeff Ober <jober@ziprecruiter.com>
Date: Tue, 14 Jan 2020 14:17:39 +0000 (-0500)
Subject: Minor performance fixes for grammar regexp
X-Git-Tag: nailing-cargo/1.0.0~234^2~40
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=2dc892c108a932dd4103a498bbcda813bc28fd29;p=nailing-cargo.git

Minor performance fixes for grammar regexp
---

diff --git a/lib/TOML/Tiny/Grammar.pm b/lib/TOML/Tiny/Grammar.pm
index df365a9..3ac4168 100644
--- a/lib/TOML/Tiny/Grammar.pm
+++ b/lib/TOML/Tiny/Grammar.pm
@@ -27,10 +27,10 @@ our $TOML = qr{
     | (?&InlineTable)
   )
 
-  (?<NLSeq> \x0A | (?: \x0D \x0A))
+  (?<NLSeq> (?> \x0D? \x0A))
   (?<NL> (?&NLSeq) | (?&Comment))
 
-  (?<WSChar> [ \x20 \x09 ])       # (space, tab)
+  (?<WSChar> \x20 | \x09)       # (space, tab)
   (?<WS> (?&WSChar)*)
 
   (?<Comment> \x23 .* (?&NLSeq)?)
@@ -44,7 +44,7 @@ our $TOML = qr{
 
     \[\[ (?&Key) \]\] \n
     (?:
-        (?: (?&KeyValuePair) \n )
+        (?: (?&KeyValuePair) (?=(?&NLSeq)) )
       | (?&ArrayOfTables)
       | (?&Table)
     )*
@@ -126,7 +126,7 @@ our $TOML = qr{
   #-----------------------------------------------------------------------------
   # Boolean
   #-----------------------------------------------------------------------------
-  (?<Boolean> \b(?:true)|(?:false))\b
+  (?<Boolean> \b(?:true)|(?:false)\b)
 
   #-----------------------------------------------------------------------------
   # Integer