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Deduplicate branches of print_break implementation

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This commit is contained in:
David Tolnay 2022-01-19 18:58:33 -08:00
parent 51eeb82d9d
commit 21c1571e79
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1 changed files with 14 additions and 19 deletions
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33
compiler/rustc_ast_pretty/src/pp.rs
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@ -385,26 +385,21 @@ impl Printer {
}
fn print_break(&mut self, token: BreakToken, size: isize) {
match self.get_top() {
PrintFrame::Fits => {
self.pending_indentation += token.blank_space;
self.space -= token.blank_space;
}
PrintFrame::Broken { offset, breaks: Breaks::Consistent } => {
self.out.push('\n');
self.pending_indentation = offset + token.offset;
self.space = self.margin - (offset + token.offset);
}
PrintFrame::Broken { offset, breaks: Breaks::Inconsistent } => {
if size > self.space {
self.out.push('\n');
self.pending_indentation = offset + token.offset;
self.space = self.margin - (offset + token.offset);
} else {
self.pending_indentation += token.blank_space;
self.space -= token.blank_space;
let break_offset =
match self.get_top() {
PrintFrame::Fits => None,
PrintFrame::Broken { offset, breaks: Breaks::Consistent } => Some(offset),
PrintFrame::Broken { offset, breaks: Breaks::Inconsistent } => {
if size > self.space { Some(offset) } else { None }
}
}
};
if let Some(offset) = break_offset {
self.out.push('\n');
self.pending_indentation = offset + token.offset;
self.space = self.margin - (offset + token.offset);
} else {
self.pending_indentation += token.blank_space;
self.space -= token.blank_space;
}
}