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Implement check_stream nonrecursively

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David Tolnay 2022-01-18 19:19:18 -08:00
parent 947a09a4a8
commit 0490e43422
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1 changed files with 3 additions and 3 deletions
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6
compiler/rustc_ast_pretty/src/pp.rs
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@ -335,14 +335,14 @@ impl Printer {
}
fn check_stream(&mut self) {
if self.right_total - self.left_total > self.space {
while self.right_total - self.left_total > self.space {
if self.scan_stack.back() == Some(&self.left) {
self.scan_stack.pop_back().unwrap();
self.buf[self.left].size = SIZE_INFINITY;
}
self.advance_left();
if self.left != self.right {
self.check_stream();
if self.left == self.right {
break;
}
}
}