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Simplify code.

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This commit is contained in:
Stephen Chung
2020-04-11 18:09:03 +08:00
parent 5848339d5a
commit bc0d43d68f
3 changed files with 102 additions and 116 deletions
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22
src/optimize.rs
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@@ -663,16 +663,18 @@ fn optimize<'a>(
.into_iter()
.enumerate()
.map(|(i, stmt)| {
if let Stmt::Const(name, value, _) = &stmt {
// Load constants
state.push_constant(name, value.as_ref().clone());
stmt // Keep it in the global scope
} else {
// Keep all variable declarations at this level
// and always keep the last return value
let keep = matches!(stmt, Stmt::Let(_, _, _)) || i == num_statements - 1;
optimize_stmt(stmt, &mut state, keep)
match stmt {
Stmt::Const(ref name, ref value, _) => {
// Load constants
state.push_constant(name.as_ref(), value.as_ref().clone());
stmt // Keep it in the global scope
}
_ => {
// Keep all variable declarations at this level
// and always keep the last return value
let keep = matches!(stmt, Stmt::Let(_, _, _)) || i == num_statements - 1;
optimize_stmt(stmt, &mut state, keep)
}
}
})
.collect();