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Faster processing of this pointer.

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This commit is contained in:
Stephen Chung
2023-05-07 22:25:01 +08:00
parent 0a7cca9910
commit bfe39a9c7c
9 changed files with 82 additions and 44 deletions
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8
src/optimizer.rs
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@@ -901,8 +901,8 @@ fn optimize_expr(expr: &mut Expr, state: &mut OptimizerState, _chaining: bool) {
*expr = mem::take(&mut m.0).into_iter().find(|(x, ..)| x.as_str() == prop)
.map_or_else(|| Expr::Unit(*pos), |(.., mut expr)| { expr.set_position(*pos); expr });
}
// var.rhs
(Expr::Variable(..), rhs) => optimize_expr(rhs, state, true),
// var.rhs or this.rhs
(Expr::Variable(..) | Expr::ThisPtr(..), rhs) => optimize_expr(rhs, state, true),
// const.type_of()
(lhs, Expr::MethodCall(x, pos)) if lhs.is_constant() && x.name == KEYWORD_TYPE_OF && x.args.is_empty() => {
if let Some(value) = lhs.get_literal_value() {
@@ -987,8 +987,8 @@ fn optimize_expr(expr: &mut Expr, state: &mut OptimizerState, _chaining: bool) {
state.set_dirty();
*expr = Expr::CharConstant(s.chars().rev().nth(i.unsigned_abs() as usize - 1).unwrap(), *pos);
}
// var[rhs]
(Expr::Variable(..), rhs) => optimize_expr(rhs, state, true),
// var[rhs] or this[rhs]
(Expr::Variable(..) | Expr::ThisPtr(..), rhs) => optimize_expr(rhs, state, true),
// lhs[rhs]
(lhs, rhs) => { optimize_expr(lhs, state, false); optimize_expr(rhs, state, true); }
},