diff options
Diffstat (limited to '')
| -rw-r--r-- | vendor/pest_meta/src/optimizer/skipper.rs | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/vendor/pest_meta/src/optimizer/skipper.rs b/vendor/pest_meta/src/optimizer/skipper.rs index f55edc06f..40bc5a16f 100644 --- a/vendor/pest_meta/src/optimizer/skipper.rs +++ b/vendor/pest_meta/src/optimizer/skipper.rs @@ -7,7 +7,7 @@ // option. All files in the project carrying such notice may not be copied, // modified, or distributed except according to those terms. -use ast::*; +use crate::ast::*; pub fn skip(rule: Rule) -> Rule { fn populate_choices(expr: Expr, mut choices: Vec<String>) -> Option<Expr> { @@ -28,30 +28,29 @@ pub fn skip(rule: Rule) -> Rule { } } - match rule { - Rule { name, ty, expr } => Rule { - name, - ty, - expr: if ty == RuleType::Atomic { - expr.map_top_down(|expr| { - // TODO: Use box syntax when it gets stabilized. - if let Expr::Rep(expr) = expr.clone() { - if let Expr::Seq(lhs, rhs) = *expr.clone() { - if let (Expr::NegPred(expr), Expr::Ident(ident)) = (*lhs, *rhs) { - if ident == "ANY" { - if let Some(expr) = populate_choices(*expr, vec![]) { - return expr; - } + let Rule { name, ty, expr } = rule; + Rule { + name, + ty, + expr: if ty == RuleType::Atomic { + expr.map_top_down(|expr| { + // TODO: Use box syntax when it gets stabilized. + if let Expr::Rep(expr) = expr.clone() { + if let Expr::Seq(lhs, rhs) = *expr { + if let (Expr::NegPred(expr), Expr::Ident(ident)) = (*lhs, *rhs) { + if ident == "ANY" { + if let Some(expr) = populate_choices(*expr, vec![]) { + return expr; } } } - }; + } + }; - expr - }) - } else { expr - }, + }) + } else { + expr }, } } |