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-rw-r--r--compiler/rustc_graphviz/src/lib.rs12
1 files changed, 8 insertions, 4 deletions
diff --git a/compiler/rustc_graphviz/src/lib.rs b/compiler/rustc_graphviz/src/lib.rs
index 3c1bb5532..1f8268cc1 100644
--- a/compiler/rustc_graphviz/src/lib.rs
+++ b/compiler/rustc_graphviz/src/lib.rs
@@ -410,7 +410,7 @@ impl<'a> Id<'a> {
}
pub fn as_slice(&'a self) -> &'a str {
- &*self.name
+ &self.name
}
}
@@ -471,7 +471,11 @@ pub trait Labeller<'a> {
/// Escape tags in such a way that it is suitable for inclusion in a
/// Graphviz HTML label.
pub fn escape_html(s: &str) -> String {
- s.replace('&', "&amp;").replace('\"', "&quot;").replace('<', "&lt;").replace('>', "&gt;")
+ s.replace('&', "&amp;")
+ .replace('\"', "&quot;")
+ .replace('<', "&lt;")
+ .replace('>', "&gt;")
+ .replace('\n', "<br align=\"left\"/>")
}
impl<'a> LabelText<'a> {
@@ -511,7 +515,7 @@ impl<'a> LabelText<'a> {
pub fn to_dot_string(&self) -> String {
match *self {
LabelStr(ref s) => format!("\"{}\"", s.escape_default()),
- EscStr(ref s) => format!("\"{}\"", LabelText::escape_str(&s)),
+ EscStr(ref s) => format!("\"{}\"", LabelText::escape_str(s)),
HtmlStr(ref s) => format!("<{}>", s),
}
}
@@ -525,7 +529,7 @@ impl<'a> LabelText<'a> {
EscStr(s) => s,
LabelStr(s) => {
if s.contains('\\') {
- (&*s).escape_default().to_string().into()
+ s.escape_default().to_string().into()
} else {
s
}