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Make graphviz font configurable

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Alternative to PR ##76776.

To change the graphviz output to use an alternative `fontname` value,
add a command line option like: `rustc --graphviz-font=monospace`.
This commit is contained in:
Rich Kadel 2020-09-16 08:10:06 -07:00
parent f7aee330c7
commit 5c29332ace
4 changed files with 17 additions and 11 deletions
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3
compiler/rustc_mir/src/dataflow/framework/engine.rs
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@ -306,7 +306,8 @@ where
let mut buf = Vec::new();
let graphviz = graphviz::Formatter::new(body, def_id, results, style);
let mut render_opts = vec![dot::RenderOption::Monospace];
let mut render_opts =
vec![dot::RenderOption::Fontname(tcx.sess.opts.debugging_opts.graphviz_font.clone())];
if tcx.sess.opts.debugging_opts.graphviz_dark_mode {
render_opts.push(dot::RenderOption::DarkTheme);
}