Merge 47df51c6f1137cef2c64772239c7b86858542912 into 78355421ad73fdcbe93b4acca890b439c4b6f98d

Because the increase in size of `Binding` seemed to create a performance
regression we'll try to reduce the size by putting the rarely used
deprecation on the heap. In fact, the struct is even smaller than before
now, because `deprecation` was previously a wide pointer.

crates/typst-ide/src/complete.rs

@@ -834,7 +834,7 @@ fn param_value_completions<'a>(
 fn path_completion(func: &Func, param: &ParamInfo) -> Option<&'static [&'static str]> {
     Some(match (func.name(), param.name) {
         (Some("image"), "source") => {
-            &["png", "jpg", "jpeg", "gif", "svg", "svgz", "webp"]
+            &["png", "jpg", "jpeg", "gif", "svg", "svgz", "webp", "pdf"]
         }
         (Some("csv"), "source") => &["csv"],
         (Some("plugin"), "source") => &["wasm"],

crates/typst-library/src/diag.rs

@@ -234,18 +234,23 @@ impl From<SyntaxError> for SourceDiagnostic {
 
 /// Destination for a deprecation message when accessing a deprecated value.
 pub trait DeprecationSink {
-    /// Emits the given deprecation message into this sink.
-    fn emit(self, message: &str);
+    /// Emits the given deprecation message into this sink alongside a version
+    /// in which the deprecated item is planned to be removed.
+    fn emit(self, message: &str, until: Option<&str>);
 }
 
 impl DeprecationSink for () {
-    fn emit(self, _: &str) {}
+    fn emit(self, _: &str, _: Option<&str>) {}
 }
 
 impl DeprecationSink for (&mut Engine<'_>, Span) {
     /// Emits the deprecation message as a warning.
-    fn emit(self, message: &str) {
-        self.0.sink.warn(SourceDiagnostic::warning(self.1, message));
+    fn emit(self, message: &str, version: Option<&str>) {
+        self.0.sink.warn(
+            SourceDiagnostic::warning(self.1, message).with_hints(
+                version.map(|v| eco_format!("this will be removed in {}", v)),
+            ),
+        );
     }
 }
 

crates/typst-library/src/foundations/scope.rs

@@ -253,8 +253,8 @@ pub struct Binding {
     span: Span,
     /// The category of the binding.
     category: Option<Category>,
-    /// A deprecation message for the definition.
-    deprecation: Option<&'static str>,
+    /// The deprecation information if this item is deprecated.
+    deprecation: Option<Box<DeprecationInfo>>,
 }
 
 /// The different kinds of slots.
@@ -285,7 +285,19 @@ impl Binding {
 
     /// Marks this binding as deprecated, with the given `message`.
     pub fn deprecated(&mut self, message: &'static str) -> &mut Self {
-        self.deprecation = Some(message);
+        self.deprecation
+            .get_or_insert_with(|| Box::new(DeprecationInfo::new()))
+            .deprecated_message(message);
+        self
+    }
+
+    /// Set the version in which the binding is planned to be removed.
+    ///
+    /// This is ignored if [`Binding::deprecated`] isn't also set.
+    pub fn deprecated_until(&mut self, version: &'static str) -> &mut Self {
+        self.deprecation
+            .get_or_insert_with(|| Box::new(DeprecationInfo::new()))
+            .deprecated_until(version);
         self
     }
 
@@ -300,8 +312,8 @@ impl Binding {
     /// - pass `()` to ignore the message.
     /// - pass `(&mut engine, span)` to emit a warning into the engine.
     pub fn read_checked(&self, sink: impl DeprecationSink) -> &Value {
-        if let Some(message) = self.deprecation {
-            sink.emit(message);
+        if let Some(info) = &self.deprecation {
+            sink.emit(info.message, info.until);
         }
         &self.value
     }
@@ -337,8 +349,8 @@ impl Binding {
     }
 
     /// A deprecation message for the value, if any.
-    pub fn deprecation(&self) -> Option<&'static str> {
-        self.deprecation
+    pub fn deprecation(&self) -> Option<&DeprecationInfo> {
+        self.deprecation.as_deref()
     }
 
     /// The category of the value, if any.
@@ -356,6 +368,51 @@ pub enum Capturer {
     Context,
 }
 
+/// Information about a deprecated binding.
+#[derive(Debug, Copy, Clone, Eq, PartialEq, Hash)]
+pub struct DeprecationInfo {
+    /// A deprecation message for the definition.
+    message: &'static str,
+    /// A version in which the deprecated binding is planned to be removed.
+    until: Option<&'static str>,
+}
+
+impl DeprecationInfo {
+    /// Creates new deprecation info with a default message to display when
+    /// emitting the deprecation warning.
+    pub fn new() -> Self {
+        Self { message: "item is deprecated", until: None }
+    }
+
+    /// Set the message to display when emitting the deprecation warning.
+    pub fn deprecated_message(&mut self, message: &'static str) -> &mut Self {
+        self.message = message;
+        self
+    }
+
+    /// Set the version in which the binding is planned to be removed.
+    pub fn deprecated_until(&mut self, version: &'static str) -> &mut Self {
+        self.until = Some(version);
+        self
+    }
+
+    /// The message to display when emitting the deprecation warning.
+    pub fn message(&self) -> &'static str {
+        self.message
+    }
+
+    /// The version in which the binding is planned to be removed.
+    pub fn until(&self) -> Option<&'static str> {
+        self.until
+    }
+}
+
+impl Default for DeprecationInfo {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 /// The error message when trying to mutate a variable from the standard
 /// library.
 #[cold]

crates/typst-library/src/foundations/symbol.rs

@@ -151,7 +151,7 @@ impl Symbol {
                 modifiers.best_match_in(list.variants().map(|(m, _, d)| (m, d)))
             {
                 if let Some(message) = deprecation {
-                    sink.emit(message)
+                    sink.emit(message, None)
                 }
                 return Ok(self);
             }

crates/typst-library/src/loading/cbor.rs

@@ -33,7 +33,10 @@ pub fn cbor(
 impl cbor {
     /// Reads structured data from CBOR bytes.
     #[func(title = "Decode CBOR")]
-    #[deprecated = "`cbor.decode` is deprecated, directly pass bytes to `cbor` instead"]
+    #[deprecated(
+        message = "`cbor.decode` is deprecated, directly pass bytes to `cbor` instead",
+        until = "0.15.0"
+    )]
     pub fn decode(
         engine: &mut Engine,
         /// CBOR data.

crates/typst-library/src/loading/csv.rs

@@ -95,7 +95,10 @@ pub fn csv(
 impl csv {
     /// Reads structured data from a CSV string/bytes.
     #[func(title = "Decode CSV")]
-    #[deprecated = "`csv.decode` is deprecated, directly pass bytes to `csv` instead"]
+    #[deprecated(
+        message = "`csv.decode` is deprecated, directly pass bytes to `csv` instead",
+        until = "0.15.0"
+    )]
     pub fn decode(
         engine: &mut Engine,
         /// CSV data.

crates/typst-library/src/loading/json.rs

@@ -67,7 +67,10 @@ pub fn json(
 impl json {
     /// Reads structured data from a JSON string/bytes.
     #[func(title = "Decode JSON")]
-    #[deprecated = "`json.decode` is deprecated, directly pass bytes to `json` instead"]
+    #[deprecated(
+        message = "`json.decode` is deprecated, directly pass bytes to `json` instead",
+        until = "0.15.0"
+    )]
     pub fn decode(
         engine: &mut Engine,
         /// JSON data.

crates/typst-library/src/loading/toml.rs

@@ -41,7 +41,10 @@ pub fn toml(
 impl toml {
     /// Reads structured data from a TOML string/bytes.
     #[func(title = "Decode TOML")]
-    #[deprecated = "`toml.decode` is deprecated, directly pass bytes to `toml` instead"]
+    #[deprecated(
+        message = "`toml.decode` is deprecated, directly pass bytes to `toml` instead",
+        until = "0.15.0"
+    )]
     pub fn decode(
         engine: &mut Engine,
         /// TOML data.

crates/typst-library/src/loading/xml.rs

@@ -75,7 +75,10 @@ pub fn xml(
 impl xml {
     /// Reads structured data from an XML string/bytes.
     #[func(title = "Decode XML")]
-    #[deprecated = "`xml.decode` is deprecated, directly pass bytes to `xml` instead"]
+    #[deprecated(
+        message = "`xml.decode` is deprecated, directly pass bytes to `xml` instead",
+        until = "0.15.0"
+    )]
     pub fn decode(
         engine: &mut Engine,
         /// XML data.

crates/typst-library/src/loading/yaml.rs

@@ -54,7 +54,10 @@ pub fn yaml(
 impl yaml {
     /// Reads structured data from a YAML string/bytes.
     #[func(title = "Decode YAML")]
-    #[deprecated = "`yaml.decode` is deprecated, directly pass bytes to `yaml` instead"]
+    #[deprecated(
+        message = "`yaml.decode` is deprecated, directly pass bytes to `yaml` instead",
+        until = "0.15.0"
+    )]
     pub fn decode(
         engine: &mut Engine,
         /// YAML data.

crates/typst-library/src/visualize/image/mod.rs

@@ -178,7 +178,10 @@ pub struct ImageElem {
 impl ImageElem {
     /// Decode a raster or vector graphic from bytes or a string.
     #[func(title = "Decode Image")]
-    #[deprecated = "`image.decode` is deprecated, directly pass bytes to `image` instead"]
+    #[deprecated(
+        message = "`image.decode` is deprecated, directly pass bytes to `image` instead",
+        until = "0.15.0"
+    )]
     pub fn decode(
         span: Span,
         /// The data to decode as an image. Can be a string for SVGs.

crates/typst-library/src/visualize/mod.rs

@@ -46,6 +46,7 @@ pub(super) fn define(global: &mut Scope) {
         .deprecated("the `path` function is deprecated, use `curve` instead");
     global
         .define("pattern", Type::of::<Tiling>())
-        .deprecated("the name `pattern` is deprecated, use `tiling` instead");
+        .deprecated("the name `pattern` is deprecated, use `tiling` instead")
+        .deprecated_until("0.15.0");
     global.reset_category();
 }

crates/typst-macros/src/scope.rs

@@ -1,7 +1,8 @@
 use heck::ToKebabCase;
 use proc_macro2::TokenStream;
 use quote::quote;
-use syn::{Result, parse_quote};
+use syn::punctuated::Punctuated;
+use syn::{MetaNameValue, Result, Token, parse_quote};
 
 use crate::util::{BareType, foundations};
 
@@ -52,15 +53,33 @@ pub fn scope(_: TokenStream, item: syn::Item) -> Result<TokenStream> {
             _ => bail!(child, "unexpected item in scope"),
         };
 
-        if let Some(message) = attrs.iter().find_map(|attr| match &attr.meta {
+        if let Some(attr) = attrs.iter().find(|attr| attr.path().is_ident("deprecated")) {
+            match &attr.meta {
                 syn::Meta::NameValue(pair) if pair.path.is_ident("deprecated") => {
-                Some(&pair.value)
+                    let message = &pair.value;
+                    def = quote! { #def.deprecated(#message) }
                 }
-            _ => None,
+                syn::Meta::List(list) if list.path.is_ident("deprecated") => {
+                    let args = list.parse_args_with(
+                        Punctuated::<MetaNameValue, Token![,]>::parse_separated_nonempty,
+                    )?;
+
+                    if let Some(message) = args.iter().find_map(|pair| {
+                        pair.path.is_ident("message").then_some(&pair.value)
                     }) {
                         def = quote! { #def.deprecated(#message) }
                     }
 
+                    if let Some(version) = args.iter().find_map(|pair| {
+                        pair.path.is_ident("until").then_some(&pair.value)
+                    }) {
+                        def = quote! { #def.deprecated_until(#version) }
+                    }
+                }
+                _ => {}
+            }
+        }
+
         definitions.push(def);
     }
 

docs/src/lib.rs

@@ -17,6 +17,7 @@ use serde::Deserialize;
 use serde_yaml as yaml;
 use std::sync::LazyLock;
 use typst::diag::{StrResult, bail};
+use typst::foundations::DeprecationInfo;
 use typst::foundations::{
     AutoValue, Binding, Bytes, CastInfo, Func, Module, NoneValue, ParamInfo, Repr, Scope,
     Smart, Type, Value,
@@ -381,7 +382,7 @@ fn func_page(
     parent: &str,
     func: &Func,
     path: &[&str],
-    deprecation: Option<&'static str>,
+    deprecation: Option<&DeprecationInfo>,
 ) -> PageModel {
     let model = func_model(resolver, func, path, false, deprecation);
     let name = func.name().unwrap();
@@ -402,7 +403,7 @@ fn func_model(
     func: &Func,
     path: &[&str],
     nested: bool,
-    deprecation: Option<&'static str>,
+    deprecation: Option<&DeprecationInfo>,
 ) -> FuncModel {
     let name = func.name().unwrap();
     let scope = func.scope().unwrap();
@@ -438,7 +439,8 @@ fn func_model(
         oneliner: oneliner(details),
         element: func.element().is_some(),
         contextual: func.contextual().unwrap_or(false),
-        deprecation,
+        deprecation_message: deprecation.map(DeprecationInfo::message),
+        deprecation_until: deprecation.and_then(DeprecationInfo::until),
         details: Html::markdown(resolver, details, nesting),
         example: example.map(|md| Html::markdown(resolver, md, None)),
         self_,
@@ -718,7 +720,7 @@ fn symbols_model(resolver: &dyn Resolver, group: &GroupData) -> SymbolsModel {
             }
         };
 
-        for (variant, c, deprecation) in symbol.variants() {
+        for (variant, c, deprecation_message) in symbol.variants() {
             let shorthand = |list: &[(&'static str, char)]| {
                 list.iter().copied().find(|&(_, x)| x == c).map(|(s, _)| s)
             };
@@ -737,7 +739,9 @@ fn symbols_model(resolver: &dyn Resolver, group: &GroupData) -> SymbolsModel {
                     .filter(|(other, _, _)| other != &variant)
                     .map(|(other, _, _)| complete(other))
                     .collect(),
-                deprecation: deprecation.or_else(|| binding.deprecation()),
+                deprecation_message: deprecation_message
+                    .or_else(|| binding.deprecation().map(DeprecationInfo::message)),
+                deprecation_until: binding.deprecation().and_then(DeprecationInfo::until),
             });
         }
     }

docs/src/model.rs

@@ -89,7 +89,8 @@ pub struct FuncModel {
     pub oneliner: EcoString,
     pub element: bool,
     pub contextual: bool,
-    pub deprecation: Option<&'static str>,
+    pub deprecation_message: Option<&'static str>,
+    pub deprecation_until: Option<&'static str>,
     pub details: Html,
     /// This example is only for nested function models. Others can have
     /// their example directly in their details.
@@ -165,7 +166,8 @@ pub struct SymbolModel {
     pub markup_shorthand: Option<&'static str>,
     pub math_shorthand: Option<&'static str>,
     pub math_class: Option<&'static str>,
-    pub deprecation: Option<&'static str>,
+    pub deprecation_message: Option<&'static str>,
+    pub deprecation_until: Option<&'static str>,
 }
 
 /// Shorthands listed on a category page.

tests/suite/loading/cbor.typ

@@ -1,3 +1,4 @@
 --- cbor-decode-deprecated ---
 // Warning: 15-21 `cbor.decode` is deprecated, directly pass bytes to `cbor` instead
+// Hint: 15-21 this will be removed in 0.15.0
 #let _ = cbor.decode

tests/suite/loading/csv.typ

@@ -32,4 +32,5 @@
 
 --- csv-decode-deprecated ---
 // Warning: 14-20 `csv.decode` is deprecated, directly pass bytes to `csv` instead
+// Hint: 14-20 this will be removed in 0.15.0
 #let _ = csv.decode

tests/suite/loading/json.typ

@@ -11,6 +11,7 @@
 
 --- json-decode-deprecated ---
 // Warning: 15-21 `json.decode` is deprecated, directly pass bytes to `json` instead
+// Hint: 15-21 this will be removed in 0.15.0
 #let _ = json.decode
 
 --- issue-3363-json-large-number ---

tests/suite/loading/toml.typ

@@ -42,4 +42,5 @@
 
 --- toml-decode-deprecated ---
 // Warning: 15-21 `toml.decode` is deprecated, directly pass bytes to `toml` instead
+// Hint: 15-21 this will be removed in 0.15.0
 #let _ = toml.decode

tests/suite/loading/xml.typ

@@ -29,4 +29,5 @@
 
 --- xml-decode-deprecated ---
 // Warning: 14-20 `xml.decode` is deprecated, directly pass bytes to `xml` instead
+// Hint: 14-20 this will be removed in 0.15.0
 #let _ = xml.decode

tests/suite/loading/yaml.typ

@@ -18,4 +18,5 @@
 
 --- yaml-decode-deprecated ---
 // Warning: 15-21 `yaml.decode` is deprecated, directly pass bytes to `yaml` instead
+// Hint: 15-21 this will be removed in 0.15.0
 #let _ = yaml.decode

tests/suite/visualize/image.typ

@@ -188,26 +188,31 @@ A #box(image("/assets/images/tiger.jpg", height: 1cm, width: 80%)) B
 --- image-decode-svg ---
 // Test parsing from svg data
 // Warning: 8-14 `image.decode` is deprecated, directly pass bytes to `image` instead
+// Hint: 8-14 this will be removed in 0.15.0
 #image.decode(`<svg xmlns="http://www.w3.org/2000/svg" height="140" width="500"><ellipse cx="200" cy="80" rx="100" ry="50" style="fill:yellow;stroke:purple;stroke-width:2" /></svg>`.text, format: "svg")
 
 --- image-decode-bad-svg ---
 // Error: 15-152 failed to parse SVG (missing root node at 1:1)
 // Warning: 8-14 `image.decode` is deprecated, directly pass bytes to `image` instead
+// Hint: 8-14 this will be removed in 0.15.0
 #image.decode(`<svg height="140" width="500"><ellipse cx="200" cy="80" rx="100" ry="50" style="fill:yellow;stroke:purple;stroke-width:2" /></svg>`.text, format: "svg")
 
 --- image-decode-detect-format ---
 // Test format auto detect
 // Warning: 8-14 `image.decode` is deprecated, directly pass bytes to `image` instead
+// Hint: 8-14 this will be removed in 0.15.0
 #image.decode(read("/assets/images/tiger.jpg", encoding: none), width: 80%)
 
 --- image-decode-specify-format ---
 // Test format manual
 // Warning: 8-14 `image.decode` is deprecated, directly pass bytes to `image` instead
+// Hint: 8-14 this will be removed in 0.15.0
 #image.decode(read("/assets/images/tiger.jpg", encoding: none), format: "jpg", width: 80%)
 
 --- image-decode-specify-wrong-format ---
 // Error: 2-91 failed to decode image (Format error decoding Png: Invalid PNG signature.)
 // Warning: 8-14 `image.decode` is deprecated, directly pass bytes to `image` instead
+// Hint: 8-14 this will be removed in 0.15.0
 #image.decode(read("/assets/images/tiger.jpg", encoding: none), format: "png", width: 80%)
 
 --- image-pixmap-empty ---

tests/suite/visualize/tiling.typ

@@ -161,5 +161,6 @@
 #set page(width: auto, height: auto, margin: 0pt)
 
 // Warning: 10-17 the name `pattern` is deprecated, use `tiling` instead
+// Hint: 10-17 this will be removed in 0.15.0
 #let t = pattern(size: (10pt, 10pt), line(stroke: 4pt, start: (0%, 0%), end: (100%, 100%)))
 #rect(width: 50pt, height: 50pt, fill: t)