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Efficiency improvement (!Whitespace instead of &Nonspacechar). [jgm/peg-markdown]

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See https://github.com/jgm/peg-markdown/commit/c95552a
This commit is contained in:
Michael Teichgräber 2013-01-23 22:41:13 +01:00
parent 3d0dcc5c4b
commit 7ce368c8ef
2 changed files with 7 additions and 5 deletions
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10
parser.leg
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@ -531,7 +531,9 @@ UlLine = < "____" '_'* > | < Spacechar '_'+ &Spacechar >
Emph = EmphStar | EmphUl Emph = EmphStar | EmphUl
EmphStar = '*' &Nonspacechar Whitespace = Spacechar | Newline
EmphStar = '*' !Whitespace
a:StartList a:StartList
( !'*' b:Inline { a = cons(b, a) } ( !'*' b:Inline { a = cons(b, a) }
| b:StrongStar { a = cons(b, a) } | b:StrongStar { a = cons(b, a) }
@ -539,7 +541,7 @@ EmphStar = '*' &Nonspacechar
'*' '*'
{ $$ = p.mkList(EMPH, a) } { $$ = p.mkList(EMPH, a) }
EmphUl = '_' &Nonspacechar EmphUl = '_' !Whitespace
a:StartList a:StartList
( !'_' b:Inline { a = cons(b, a) } ( !'_' b:Inline { a = cons(b, a) }
| b:StrongUl { a = cons(b, a) } | b:StrongUl { a = cons(b, a) }
@ -549,13 +551,13 @@ EmphUl = '_' &Nonspacechar
Strong = StrongStar | StrongUl Strong = StrongStar | StrongUl
StrongStar = "**" &Nonspacechar StrongStar = "**" !Whitespace
a:StartList a:StartList
( !"**" b:Inline { a = cons(b, a) })+ ( !"**" b:Inline { a = cons(b, a) })+
"**" "**"
{ $$ = p.mkList(STRONG, a) } { $$ = p.mkList(STRONG, a) }
StrongUl = "__" &Nonspacechar StrongUl = "__" !Whitespace
a:StartList a:StartList
( !"__" b:Inline { a = cons(b, a) })+ ( !"__" b:Inline { a = cons(b, a) })+
"__" "__"

2
portid
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@ -1 +1 @@
197 199