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printer.rs: De-duplicate code to highlight long lines
We do this to only have one invocation of `highlighter.highlight(...)` so we don't need to change to `highlighter.highlight_line(...)` in two places in #2181.
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@ -445,18 +445,21 @@ impl<'a> Printer for InteractivePrinter<'a> {
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return Ok(());
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}
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};
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// skip syntax highlighting on long lines
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if line.len() > 1024 * 16 {
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let mut empty = highlighter_from_set
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let too_long = line.len() > 1024 * 16;
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let for_highlighting: &str = if too_long { "\n" } else { &line };
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let mut highlighted_line = highlighter_from_set
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.highlighter
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.highlight(&"\n", highlighter_from_set.syntax_set);
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empty[0].1 = line.as_ref();
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empty
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} else {
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highlighter_from_set
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.highlighter
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.highlight(&line, highlighter_from_set.syntax_set)
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.highlight(for_highlighting, highlighter_from_set.syntax_set);
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if too_long {
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highlighted_line[0].1 = &line;
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}
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highlighted_line
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};
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if out_of_range {
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