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Toggle span highlighting on -Zteach

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This commit is contained in:
Esteban Küber 2018-01-28 18:37:55 -08:00
parent 871856e831
commit 08287c1e26
8 changed files with 33 additions and 18 deletions
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21
src/librustc_errors/emitter.rs
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@ -106,6 +106,7 @@ pub struct EmitterWriter {
dst: Destination,
cm: Option<Rc<CodeMapper>>,
short_message: bool,
teach: bool,
}
struct FileWithAnnotatedLines {
@ -117,32 +118,37 @@ struct FileWithAnnotatedLines {
impl EmitterWriter {
pub fn stderr(color_config: ColorConfig,
code_map: Option<Rc<CodeMapper>>,
short_message: bool)
short_message: bool,
teach: bool)
-> EmitterWriter {
if color_config.use_color() {
let dst = Destination::from_stderr();
EmitterWriter {
dst,
cm: code_map,
short_message: short_message,
short_message,
teach,
}
} else {
EmitterWriter {
dst: Raw(Box::new(io::stderr())),
cm: code_map,
short_message: short_message,
short_message,
teach,
}
}
}
pub fn new(dst: Box<Write + Send>,
code_map: Option<Rc<CodeMapper>>,
short_message: bool)
short_message: bool,
teach: bool)
-> EmitterWriter {
EmitterWriter {
dst: Raw(dst),
cm: code_map,
short_message: short_message,
short_message,
teach,
}
}
@ -551,13 +557,14 @@ impl EmitterWriter {
code_offset + annotation.start_col,
style);
}
_ => {
_ if self.teach => {
buffer.set_style_range(line_offset,
code_offset + annotation.start_col,
code_offset + annotation.end_col,
style,
annotation.is_primary);
}
}
_ => {}
}
}