Improve `symbol` `repr` (#5505)

1 files changed, 41 insertions, 1 deletions

diff --git a/crates/typst-library/src/foundations/symbol.rs b/crates/typst-library/src/foundations/symbol.rs
index fcb3a3ce..88030528 100644
--- a/crates/typst-library/src/foundations/symbol.rs
+++ b/crates/typst-library/src/foundations/symbol.rs
@@ -246,10 +246,50 @@ impl Debug for List {
 
 impl crate::foundations::Repr for Symbol {
     fn repr(&self) -> EcoString {
-        eco_format!("\"{}\"", self.get())
+        match &self.0 {
+            Repr::Single(c) => eco_format!("symbol(\"{}\")", *c),
+            Repr::Complex(variants) => {
+                eco_format!("symbol{}", repr_variants(variants.iter().copied(), ""))
+            }
+            Repr::Modified(arc) => {
+                let (list, modifiers) = arc.as_ref();
+                if modifiers.is_empty() {
+                    eco_format!("symbol{}", repr_variants(list.variants(), ""))
+                } else {
+                    eco_format!("symbol{}", repr_variants(list.variants(), modifiers))
+                }
+            }
+        }
     }
 }
 
+fn repr_variants<'a>(
+    variants: impl Iterator<Item = (&'a str, char)>,
+    applied_modifiers: &str,
+) -> String {
+    crate::foundations::repr::pretty_array_like(
+        &variants
+            .filter(|(variant, _)| {
+                // Only keep variants that can still be accessed, i.e., variants
+                // that contain all applied modifiers.
+                parts(applied_modifiers).all(|am| variant.split('.').any(|m| m == am))
+            })
+            .map(|(variant, c)| {
+                let trimmed_variant = variant
+                    .split('.')
+                    .filter(|&m| parts(applied_modifiers).all(|am| m != am));
+                if trimmed_variant.clone().all(|m| m.is_empty()) {
+                    eco_format!("\"{c}\"")
+                } else {
+                    let trimmed_modifiers = trimmed_variant.collect::<Vec<_>>().join(".");
+                    eco_format!("(\"{}\", \"{}\")", trimmed_modifiers, c)
+                }
+            })
+            .collect::<Vec<_>>(),
+        false,
+    )
+}
+
 impl Serialize for Symbol {
     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
     where