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https://github.com/slint-ui/slint.git
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Use one central thread_local for builtin function types
Instead of occupying multiple TLS slots, introduce a single type that stores all the builtin function types in members. Use a macro to define this struct then, which allows us to use a nice DSL to define these function types, reducing the boiler plate significantly. The downside is that we no longer have the ability to easily share semantically equivalent function types (e.g. for `Round`, `Ceil` and `Floor` etc.). Doing so would require us to introdue a separate name for these types, and then use external matching to map the BuiltinFunctions to the reduced list of types. The performance impact is minimal though, so this is not done to KISS.
This commit is contained in:
Milian Wolff
Olivier Goffart
parent
6ff8abfb1a
commit
df1dd3b6cf
1 changed files with 121 additions and 212 deletions
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@ -107,221 +107,130 @@ pub enum BuiltinMacroFunction {
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Debug,
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}
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macro_rules! declare_builtin_function_types {
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($( $Name:ident $(($Pattern:tt))? : ($( $Arg:expr ),*) -> $ReturnType:expr $(,)? )*) => {
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#[allow(non_snake_case)]
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pub struct BuiltinFunctionTypes {
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$(pub $Name : Type),*
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}
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impl BuiltinFunctionTypes {
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pub fn new() -> Self {
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Self {
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$($Name : Type::Function(Rc::new(Function{
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args: vec![$($Arg),*],
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return_type: $ReturnType,
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}))),*
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}
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}
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pub fn ty(&self, function: &BuiltinFunction) -> Type {
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match function {
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$(BuiltinFunction::$Name $(($Pattern))? => self.$Name.clone()),*
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}
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}
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}
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};
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}
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declare_builtin_function_types!(
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GetWindowScaleFactor: () -> Type::UnitProduct(vec![(Unit::Phx, 1), (Unit::Px, -1)]),
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GetWindowDefaultFontSize: () -> Type::LogicalLength,
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AnimationTick: () -> Type::Duration,
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Debug: (Type::String) -> Type::Void,
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Mod: (Type::Int32, Type::Int32) -> Type::Int32,
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Round: (Type::Float32) -> Type::Int32,
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Ceil: (Type::Float32) -> Type::Int32,
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Floor: (Type::Float32) -> Type::Int32,
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Sqrt: (Type::Float32) -> Type::Float32,
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Abs: (Type::Float32) -> Type::Float32,
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Cos: (Type::Angle) -> Type::Float32,
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Sin: (Type::Angle) -> Type::Float32,
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Tan: (Type::Angle) -> Type::Float32,
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ACos: (Type::Float32) -> Type::Angle,
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ASin: (Type::Float32) -> Type::Angle,
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ATan: (Type::Float32) -> Type::Angle,
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ATan2: (Type::Float32, Type::Float32) -> Type::Angle,
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Log: (Type::Float32, Type::Float32) -> Type::Float32,
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Pow: (Type::Float32, Type::Float32) -> Type::Float32,
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SetFocusItem: (Type::ElementReference) -> Type::Void,
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ClearFocusItem: (Type::ElementReference) -> Type::Void,
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ShowPopupWindow: (Type::ElementReference) -> Type::Void,
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ClosePopupWindow: (Type::ElementReference) -> Type::Void,
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ItemMemberFunction(..): (Type::ElementReference) -> Type::Void,
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SetSelectionOffsets: (Type::ElementReference, Type::Int32, Type::Int32) -> Type::Void,
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ItemFontMetrics: (Type::ElementReference) -> crate::typeregister::font_metrics_type(),
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StringToFloat: (Type::String) -> Type::Float32,
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StringIsFloat: (Type::String) -> Type::Bool,
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ImplicitLayoutInfo(..): (Type::ElementReference) -> crate::layout::layout_info_type(),
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ColorRgbaStruct: (Type::Color) -> Type::Struct(Rc::new(Struct {
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fields: IntoIterator::into_iter([
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(SmolStr::new_static("red"), Type::Int32),
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(SmolStr::new_static("green"), Type::Int32),
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(SmolStr::new_static("blue"), Type::Int32),
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(SmolStr::new_static("alpha"), Type::Int32),
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])
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.collect(),
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name: Some("Color".into()),
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node: None,
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rust_attributes: None,
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})),
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ColorHsvaStruct: (Type::Color) -> Type::Struct(Rc::new(Struct {
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fields: IntoIterator::into_iter([
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(SmolStr::new_static("hue"), Type::Float32),
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(SmolStr::new_static("saturation"), Type::Float32),
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(SmolStr::new_static("value"), Type::Float32),
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(SmolStr::new_static("alpha"), Type::Float32),
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])
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.collect(),
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name: Some("Color".into()),
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node: None,
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rust_attributes: None,
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})),
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ColorBrighter: (Type::Brush, Type::Float32) -> Type::Brush,
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ColorDarker: (Type::Brush, Type::Float32) -> Type::Brush,
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ColorTransparentize: (Type::Brush, Type::Float32) -> Type::Brush,
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ColorWithAlpha: (Type::Brush, Type::Float32) -> Type::Brush,
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ColorMix: (Type::Color, Type::Color, Type::Float32) -> Type::Color,
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ImageSize: (Type::Image) -> Type::Struct(Rc::new(Struct {
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fields: IntoIterator::into_iter([
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(SmolStr::new_static("width"), Type::Int32),
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(SmolStr::new_static("height"), Type::Int32),
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])
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.collect(),
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name: Some("Size".into()),
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node: None,
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rust_attributes: None,
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})),
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ArrayLength: (Type::Model) -> Type::Int32,
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Rgb: (Type::Int32, Type::Int32, Type::Int32, Type::Float32) -> Type::Color,
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Hsv: (Type::Float32, Type::Float32, Type::Float32, Type::Float32) -> Type::Color,
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ColorScheme: () -> Type::Enumeration(
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crate::typeregister::BUILTIN.with(|e| e.enums.ColorScheme.clone()),
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),
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MonthDayCount: (Type::Int32, Type::Int32) -> Type::Int32,
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MonthOffset: (Type::Int32, Type::Int32) -> Type::Int32,
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FormatDate: (Type::String, Type::Int32, Type::Int32, Type::Int32) -> Type::String,
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TextInputFocused: () -> Type::Bool,
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DateNow: () -> Type::Array(Rc::new(Type::Int32)),
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ValidDate: (Type::String, Type::String) -> Type::Bool,
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ParseDate: (Type::String, Type::String) -> Type::Array(Rc::new(Type::Int32)),
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SetTextInputFocused: (Type::Bool) -> Type::Void,
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ItemAbsolutePosition: (Type::ElementReference) -> crate::typeregister::logical_point_type(),
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RegisterCustomFontByPath: (Type::String) -> Type::Void,
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RegisterCustomFontByMemory: (Type::Int32) -> Type::Void,
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RegisterBitmapFont: (Type::Int32) -> Type::Void,
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// original, context, domain, args
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Translate: (Type::String, Type::String, Type::String, Type::Array(Type::String.into())) -> Type::String,
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Use24HourFormat: () -> Type::Bool,
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UpdateTimers: () -> Type::Void,
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);
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impl BuiltinFunction {
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pub fn ty(&self) -> Type {
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macro_rules! interned_type {
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( $x:expr ) => {{
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thread_local! {
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static TYPE: Type = Type::Function(Rc::new($x));
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}
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TYPE.with(|t| t.clone())
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}};
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}
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match self {
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BuiltinFunction::GetWindowScaleFactor => interned_type!(Function {
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return_type: Type::UnitProduct(vec![(Unit::Phx, 1), (Unit::Px, -1)]),
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args: vec![],
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}),
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BuiltinFunction::GetWindowDefaultFontSize => {
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interned_type!(Function { return_type: Type::LogicalLength, args: vec![] })
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}
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BuiltinFunction::AnimationTick => {
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interned_type!(Function { return_type: Type::Duration.into(), args: vec![] })
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}
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BuiltinFunction::Debug => {
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interned_type!(Function { return_type: Type::Void, args: vec![Type::String] })
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}
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BuiltinFunction::Mod => {
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interned_type!(Function {
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return_type: Type::Int32,
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args: vec![Type::Int32, Type::Int32]
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})
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}
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BuiltinFunction::Round | BuiltinFunction::Ceil | BuiltinFunction::Floor => {
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interned_type!(Function { return_type: Type::Int32, args: vec![Type::Float32] })
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}
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BuiltinFunction::Sqrt | BuiltinFunction::Abs => {
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interned_type!(Function { return_type: Type::Float32, args: vec![Type::Float32] })
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}
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BuiltinFunction::Cos | BuiltinFunction::Sin | BuiltinFunction::Tan => {
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interned_type!(Function { return_type: Type::Float32, args: vec![Type::Angle] })
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}
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BuiltinFunction::ACos | BuiltinFunction::ASin | BuiltinFunction::ATan => {
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interned_type!(Function { return_type: Type::Angle, args: vec![Type::Float32] })
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}
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BuiltinFunction::ATan2 => {
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interned_type!(Function {
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return_type: Type::Angle,
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args: vec![Type::Float32, Type::Float32]
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})
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}
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BuiltinFunction::Log | BuiltinFunction::Pow => {
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interned_type!(Function {
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return_type: Type::Float32,
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args: vec![Type::Float32, Type::Float32]
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})
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}
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BuiltinFunction::SetFocusItem
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| BuiltinFunction::ClearFocusItem
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| BuiltinFunction::ShowPopupWindow
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| BuiltinFunction::ClosePopupWindow
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| BuiltinFunction::ItemMemberFunction(..) => {
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interned_type!(Function {
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return_type: Type::Void,
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args: vec![Type::ElementReference]
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})
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}
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BuiltinFunction::SetSelectionOffsets => interned_type!(Function {
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return_type: Type::Void,
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args: vec![Type::ElementReference, Type::Int32, Type::Int32],
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}),
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BuiltinFunction::ItemFontMetrics => interned_type!(Function {
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return_type: crate::typeregister::font_metrics_type(),
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args: vec![Type::ElementReference],
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}),
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BuiltinFunction::StringToFloat => {
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interned_type!(Function { return_type: Type::Float32, args: vec![Type::String] })
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}
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BuiltinFunction::StringIsFloat => {
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interned_type!(Function { return_type: Type::Bool, args: vec![Type::String] })
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}
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BuiltinFunction::ImplicitLayoutInfo(_) => interned_type!(Function {
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return_type: crate::layout::layout_info_type(),
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args: vec![Type::ElementReference],
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}),
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BuiltinFunction::ColorRgbaStruct => interned_type!(Function {
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return_type: Type::Struct(Rc::new(Struct {
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fields: IntoIterator::into_iter([
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(SmolStr::new_static("red"), Type::Int32),
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(SmolStr::new_static("green"), Type::Int32),
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(SmolStr::new_static("blue"), Type::Int32),
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(SmolStr::new_static("alpha"), Type::Int32),
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])
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.collect(),
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name: Some("Color".into()),
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node: None,
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rust_attributes: None,
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})),
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args: vec![Type::Color],
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}),
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BuiltinFunction::ColorHsvaStruct => interned_type!(Function {
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return_type: Type::Struct(Rc::new(Struct {
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fields: IntoIterator::into_iter([
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(SmolStr::new_static("hue"), Type::Float32),
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(SmolStr::new_static("saturation"), Type::Float32),
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(SmolStr::new_static("value"), Type::Float32),
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(SmolStr::new_static("alpha"), Type::Float32),
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])
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.collect(),
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name: Some("Color".into()),
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node: None,
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rust_attributes: None,
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})),
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args: vec![Type::Color],
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}),
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BuiltinFunction::ColorBrighter
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| BuiltinFunction::ColorDarker
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| BuiltinFunction::ColorTransparentize
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| BuiltinFunction::ColorWithAlpha => {
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interned_type!(Function {
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return_type: Type::Brush,
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args: vec![Type::Brush, Type::Float32]
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})
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}
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BuiltinFunction::ColorMix => interned_type!(Function {
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return_type: Type::Color,
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args: vec![Type::Color, Type::Color, Type::Float32],
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}),
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BuiltinFunction::ImageSize => interned_type!(Function {
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return_type: Type::Struct(Rc::new(Struct {
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fields: IntoIterator::into_iter([
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(SmolStr::new_static("width"), Type::Int32),
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(SmolStr::new_static("height"), Type::Int32),
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])
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.collect(),
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name: Some("Size".into()),
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node: None,
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rust_attributes: None,
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})),
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args: vec![Type::Image],
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}),
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BuiltinFunction::ArrayLength => {
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interned_type!(Function { return_type: Type::Int32, args: vec![Type::Model] })
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}
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BuiltinFunction::Rgb => interned_type!(Function {
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return_type: Type::Color,
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args: vec![Type::Int32, Type::Int32, Type::Int32, Type::Float32],
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}),
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BuiltinFunction::Hsv => interned_type!(Function {
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return_type: Type::Color,
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args: vec![Type::Float32, Type::Float32, Type::Float32, Type::Float32],
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}),
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BuiltinFunction::ColorScheme => interned_type!(Function {
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return_type: Type::Enumeration(
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crate::typeregister::BUILTIN.with(|e| e.enums.ColorScheme.clone()),
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),
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args: vec![],
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}),
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BuiltinFunction::MonthDayCount | BuiltinFunction::MonthOffset => {
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interned_type!(Function {
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return_type: Type::Int32,
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args: vec![Type::Int32, Type::Int32]
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})
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}
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BuiltinFunction::FormatDate => interned_type!(Function {
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return_type: Type::String,
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args: vec![Type::String, Type::Int32, Type::Int32, Type::Int32],
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}),
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BuiltinFunction::TextInputFocused => {
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interned_type!(Function { return_type: Type::Bool, args: vec![] })
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}
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BuiltinFunction::DateNow => {
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interned_type!(Function {
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return_type: Type::Array(Rc::new(Type::Int32)),
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args: vec![]
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})
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}
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BuiltinFunction::ValidDate => {
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interned_type!(Function {
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return_type: Type::Bool,
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args: vec![Type::String, Type::String]
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})
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}
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BuiltinFunction::ParseDate => interned_type!(Function {
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return_type: Type::Array(Rc::new(Type::Int32)),
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args: vec![Type::String, Type::String],
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}),
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BuiltinFunction::SetTextInputFocused => {
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interned_type!(Function { return_type: Type::Void, args: vec![Type::Bool] })
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}
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BuiltinFunction::ItemAbsolutePosition => interned_type!(Function {
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return_type: crate::typeregister::logical_point_type(),
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args: vec![Type::ElementReference],
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}),
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BuiltinFunction::RegisterCustomFontByPath => {
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interned_type!(Function { return_type: Type::Void, args: vec![Type::String] })
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}
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BuiltinFunction::RegisterCustomFontByMemory | BuiltinFunction::RegisterBitmapFont => {
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interned_type!(Function { return_type: Type::Void, args: vec![Type::Int32] })
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}
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BuiltinFunction::Translate => interned_type!(Function {
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return_type: Type::String,
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// original, context, domain, args
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args: vec![
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Type::String,
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Type::String,
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Type::String,
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Type::Array(Type::String.into()),
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],
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}),
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BuiltinFunction::Use24HourFormat => {
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interned_type!(Function { return_type: Type::Bool, args: vec![] })
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}
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BuiltinFunction::UpdateTimers => {
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interned_type!(Function { return_type: Type::Void, args: vec![] })
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}
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thread_local! {
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static TYPES: BuiltinFunctionTypes = BuiltinFunctionTypes::new();
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}
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TYPES.with(|types| types.ty(&self))
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}
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/// It is const if the return value only depends on its argument and has no side effect
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