diff --git a/compiler/rustc_graphviz/src/lib.rs b/compiler/rustc_graphviz/src/lib.rs index 29ec3572016..58db81bc1dc 100644 --- a/compiler/rustc_graphviz/src/lib.rs +++ b/compiler/rustc_graphviz/src/lib.rs @@ -591,14 +591,14 @@ pub trait GraphWalk<'a> { fn target(&'a self, edge: &Self::Edge) -> Self::Node; } -#[derive(Copy, Clone, PartialEq, Eq, Debug)] +#[derive(Clone, PartialEq, Eq, Debug)] pub enum RenderOption { NoEdgeLabels, NoNodeLabels, NoEdgeStyles, NoNodeStyles, - Monospace, + Fontname(String), DarkTheme, } @@ -633,11 +633,14 @@ where // Global graph properties let mut graph_attrs = Vec::new(); let mut content_attrs = Vec::new(); - if options.contains(&RenderOption::Monospace) { - let font = r#"fontname="Courier, monospace""#; - graph_attrs.push(font); - content_attrs.push(font); - }; + let font; + if let Some(fontname) = options.iter().find_map(|option| { + if let RenderOption::Fontname(fontname) = option { Some(fontname) } else { None } + }) { + font = format!(r#"fontname="{}""#, fontname); + graph_attrs.push(&font[..]); + content_attrs.push(&font[..]); + } if options.contains(&RenderOption::DarkTheme) { graph_attrs.push(r#"bgcolor="black""#); content_attrs.push(r#"color="white""#); diff --git a/compiler/rustc_mir/src/dataflow/framework/engine.rs b/compiler/rustc_mir/src/dataflow/framework/engine.rs index 0b5b437d186..4084083bd99 100644 --- a/compiler/rustc_mir/src/dataflow/framework/engine.rs +++ b/compiler/rustc_mir/src/dataflow/framework/engine.rs @@ -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); } diff --git a/compiler/rustc_mir/src/util/graphviz.rs b/compiler/rustc_mir/src/util/graphviz.rs index e89c9437706..4511962d68f 100644 --- a/compiler/rustc_mir/src/util/graphviz.rs +++ b/compiler/rustc_mir/src/util/graphviz.rs @@ -55,9 +55,9 @@ where writeln!(w, "{} {}Mir_{} {{", kind, cluster, def_name)?; // Global graph properties - let font = r#"fontname="Courier, monospace""#; - let mut graph_attrs = vec![font]; - let mut content_attrs = vec![font]; + let font = format!(r#"fontname="{}""#, tcx.sess.opts.debugging_opts.graphviz_font); + let mut graph_attrs = vec![&font[..]]; + let mut content_attrs = vec![&font[..]]; let dark_mode = tcx.sess.opts.debugging_opts.graphviz_dark_mode; if dark_mode { diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 4aecb35294a..3f12596a236 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -1762,6 +1762,10 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options { debugging_opts.symbol_mangling_version = SymbolManglingVersion::V0; } + if let Ok(graphviz_font) = std::env::var("RUSTC_GRAPHVIZ_FONT") { + debugging_opts.graphviz_font = graphviz_font; + } + if !cg.embed_bitcode { match cg.lto { LtoCli::No | LtoCli::Unspecified => {} diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index c5050dbea73..8cc55f4ebe8 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -911,6 +911,9 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options, "set the optimization fuel quota for a crate"), graphviz_dark_mode: bool = (false, parse_bool, [UNTRACKED], "use dark-themed colors in graphviz output (default: no)"), + graphviz_font: String = ("Courier, monospace".to_string(), parse_string, [UNTRACKED], + "use the given `fontname` in graphviz output; can be overridden by setting \ + environment variable `RUSTC_GRAPHVIZ_FONT` (default: `Courier, monospace`)"), hir_stats: bool = (false, parse_bool, [UNTRACKED], "print some statistics about AST and HIR (default: no)"), human_readable_cgu_names: bool = (false, parse_bool, [TRACKED],