mirror of
https://github.com/slint-ui/slint.git
synced 2025-09-30 22:01:13 +00:00
69c68b22b2
This makes copying such types much cheaper and will allow us to
intern common struct types in the future too. This further
drops the sample cost for langtype.rs from ~6.6% down to 4.0%.
We are now also able to share/intern common struct types.
Before:
```
Time (mean ± σ): 1.073 s ± 0.021 s [User: 0.759 s, System: 0.215 s]
Range (min … max): 1.034 s … 1.105 s 10 runs
allocations: 3074261
```
After:
```
Time (mean ± σ): 1.034 s ± 0.026 s [User: 0.733 s, System: 0.201 s]
Range (min … max): 1.000 s … 1.078 s 10 runs
allocations: 2917476
```
935 lines
35 KiB
Rust
935 lines
35 KiB
Rust
// Copyright © SixtyFPS GmbH <info@slint.dev>
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// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0
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use by_address::ByAddress;
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use super::lower_expression::ExpressionContext;
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use crate::expression_tree::Expression as tree_Expression;
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use crate::langtype::{ElementType, Struct, Type};
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use crate::llr::item_tree::*;
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use crate::namedreference::NamedReference;
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use crate::object_tree::{self, Component, ElementRc, PropertyAnalysis, PropertyVisibility};
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use crate::CompilerConfiguration;
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use smol_str::{format_smolstr, SmolStr};
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use std::collections::{BTreeMap, HashMap};
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use std::rc::Rc;
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pub fn lower_to_item_tree(
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document: &crate::object_tree::Document,
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compiler_config: &CompilerConfiguration,
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) -> CompilationUnit {
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let mut state = LoweringState::default();
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let mut globals = Vec::new();
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for g in &document.used_types.borrow().globals {
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let count = globals.len();
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globals.push(lower_global(g, count, &mut state));
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}
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for c in &document.used_types.borrow().sub_components {
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let sc = lower_sub_component(c, &state, None, compiler_config);
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state.sub_components.insert(ByAddress(c.clone()), sc);
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}
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let public_components = document
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.exported_roots()
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.map(|component| {
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let sc = lower_sub_component(&component, &state, None, compiler_config);
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let public_properties = public_properties(&component, &sc.mapping, &state);
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let mut item_tree = ItemTree {
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tree: make_tree(&state, &component.root_element, &sc, &[]),
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root: Rc::try_unwrap(sc.sub_component).unwrap(),
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parent_context: None,
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};
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// For C++ codegen, the root component must have the same name as the public component
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item_tree.root.name = component.id.clone();
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PublicComponent {
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item_tree,
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public_properties,
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private_properties: component.private_properties.borrow().clone(),
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name: component.id.clone(),
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}
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})
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.collect();
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let root = CompilationUnit {
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public_components,
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globals,
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sub_components: document
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.used_types
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.borrow()
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.sub_components
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.iter()
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.map(|tree_sub_compo| {
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state.sub_components[&ByAddress(tree_sub_compo.clone())].sub_component.clone()
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})
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.collect(),
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has_debug_info: compiler_config.debug_info,
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};
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super::optim_passes::run_passes(&root);
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root
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}
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#[derive(Default)]
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pub struct LoweringState {
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global_properties: HashMap<NamedReference, PropertyReference>,
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sub_components: HashMap<ByAddress<Rc<Component>>, LoweredSubComponent>,
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}
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#[derive(Debug, Clone)]
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pub enum LoweredElement {
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SubComponent { sub_component_index: usize },
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NativeItem { item_index: u32 },
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Repeated { repeated_index: u32 },
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ComponentPlaceholder { repeated_index: u32 },
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}
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#[derive(Default, Debug, Clone)]
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pub struct LoweredSubComponentMapping {
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pub element_mapping: HashMap<ByAddress<ElementRc>, LoweredElement>,
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pub property_mapping: HashMap<NamedReference, PropertyReference>,
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pub repeater_count: u32,
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pub container_count: u32,
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}
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impl LoweredSubComponentMapping {
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pub fn map_property_reference(
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&self,
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from: &NamedReference,
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state: &LoweringState,
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) -> PropertyReference {
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if let Some(x) = self.property_mapping.get(from) {
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return x.clone();
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}
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if let Some(x) = state.global_properties.get(from) {
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return x.clone();
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}
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let element = from.element();
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if let Some(alias) = element
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.borrow()
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.property_declarations
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.get(from.name())
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.and_then(|x| x.is_alias.as_ref())
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{
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return self.map_property_reference(alias, state);
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}
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match self.element_mapping.get(&element.clone().into()).unwrap() {
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LoweredElement::SubComponent { sub_component_index } => {
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if let ElementType::Component(base) = &element.borrow().base_type {
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return property_reference_within_sub_component(
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state.map_property_reference(&NamedReference::new(
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&base.root_element,
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from.name(),
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)),
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*sub_component_index,
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);
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}
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unreachable!()
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}
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LoweredElement::NativeItem { item_index } => {
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return PropertyReference::InNativeItem {
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sub_component_path: vec![],
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item_index: *item_index,
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prop_name: from.name().into(),
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};
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}
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LoweredElement::Repeated { .. } => unreachable!(),
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LoweredElement::ComponentPlaceholder { .. } => unreachable!(),
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}
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}
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}
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pub struct LoweredSubComponent {
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sub_component: Rc<SubComponent>,
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mapping: LoweredSubComponentMapping,
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}
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impl LoweringState {
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pub fn map_property_reference(&self, from: &NamedReference) -> PropertyReference {
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if let Some(x) = self.global_properties.get(from) {
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return x.clone();
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}
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let element = from.element();
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let enclosing = self
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.sub_components
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.get(&element.borrow().enclosing_component.upgrade().unwrap().into())
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.unwrap();
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enclosing.mapping.map_property_reference(from, self)
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}
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}
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// Map a PropertyReference within a `sub_component` to a PropertyReference to the component containing it
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fn property_reference_within_sub_component(
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mut prop_ref: PropertyReference,
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sub_component: usize,
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) -> PropertyReference {
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match &mut prop_ref {
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PropertyReference::Local { sub_component_path, .. }
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| PropertyReference::InNativeItem { sub_component_path, .. }
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| PropertyReference::Function { sub_component_path, .. } => {
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sub_component_path.insert(0, sub_component);
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}
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PropertyReference::InParent { .. } => panic!("the sub-component had no parents"),
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PropertyReference::Global { .. } | PropertyReference::GlobalFunction { .. } => (),
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}
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prop_ref
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}
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impl LoweringState {
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fn sub_component(&self, component: &Rc<Component>) -> &LoweredSubComponent {
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&self.sub_components[&ByAddress(component.clone())]
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}
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}
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fn component_id(component: &Rc<Component>) -> SmolStr {
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if component.is_global() {
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component.root_element.borrow().id.clone()
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} else if component.id.is_empty() {
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format_smolstr!("Component_{}", component.root_element.borrow().id)
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} else {
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format_smolstr!("{}_{}", component.id, component.root_element.borrow().id)
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}
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}
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fn lower_sub_component(
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component: &Rc<Component>,
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state: &LoweringState,
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parent_context: Option<&ExpressionContext>,
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compiler_config: &CompilerConfiguration,
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) -> LoweredSubComponent {
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let mut sub_component = SubComponent {
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name: component_id(component),
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properties: Default::default(),
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functions: Default::default(),
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items: Default::default(),
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repeated: Default::default(),
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component_containers: Default::default(),
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popup_windows: Default::default(),
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timers: Default::default(),
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sub_components: Default::default(),
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property_init: Default::default(),
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change_callbacks: Default::default(),
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animations: Default::default(),
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two_way_bindings: Default::default(),
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const_properties: Default::default(),
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init_code: Default::default(),
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geometries: Default::default(),
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// just initialize to dummy expression right now and it will be set later
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layout_info_h: super::Expression::BoolLiteral(false).into(),
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layout_info_v: super::Expression::BoolLiteral(false).into(),
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accessible_prop: Default::default(),
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element_infos: Default::default(),
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prop_analysis: Default::default(),
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};
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let mut mapping = LoweredSubComponentMapping::default();
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let mut repeated = vec![];
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let mut component_container_data = vec![];
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let mut accessible_prop = Vec::new();
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let mut change_callbacks = Vec::new();
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if let Some(parent) = component.parent_element.upgrade() {
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// Add properties for the model data and index
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if parent.borrow().repeated.as_ref().map_or(false, |x| !x.is_conditional_element) {
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sub_component.properties.push(Property {
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name: "model_data".into(),
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ty: crate::expression_tree::Expression::RepeaterModelReference {
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element: component.parent_element.clone(),
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}
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.ty(),
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..Property::default()
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});
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sub_component.properties.push(Property {
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name: "model_index".into(),
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ty: Type::Int32,
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..Property::default()
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});
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}
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};
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let s: Option<ElementRc> = None;
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let mut repeater_offset = 0;
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crate::object_tree::recurse_elem(&component.root_element, &s, &mut |element, parent| {
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let elem = element.borrow();
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for (p, x) in &elem.property_declarations {
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if x.is_alias.is_some() {
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continue;
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}
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if let Type::Function(function) = &x.property_type {
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let function_index = sub_component.functions.len();
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mapping.property_mapping.insert(
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NamedReference::new(element, p),
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PropertyReference::Function { sub_component_path: vec![], function_index },
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);
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// TODO: Function could wrap the Rc<langtype::Function>
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// instead of cloning the return type and args?
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sub_component.functions.push(Function {
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name: p.clone(),
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ret_ty: function.return_type.clone(),
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args: function.args.clone(),
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// will be replaced later
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code: super::Expression::CodeBlock(vec![]),
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});
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continue;
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}
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let property_index = sub_component.properties.len();
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mapping.property_mapping.insert(
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NamedReference::new(element, p),
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PropertyReference::Local { sub_component_path: vec![], property_index },
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);
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sub_component.properties.push(Property {
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name: format_smolstr!("{}_{}", elem.id, p),
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ty: x.property_type.clone(),
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..Property::default()
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});
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}
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if elem.is_component_placeholder {
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mapping.element_mapping.insert(
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element.clone().into(),
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LoweredElement::ComponentPlaceholder {
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repeated_index: component_container_data.len() as u32,
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},
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);
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mapping.container_count += 1;
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component_container_data.push(parent.as_ref().unwrap().clone());
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return None;
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}
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if elem.repeated.is_some() {
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mapping.element_mapping.insert(
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element.clone().into(),
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LoweredElement::Repeated { repeated_index: repeated.len() as u32 },
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);
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repeated.push(element.clone());
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mapping.repeater_count += 1;
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return None;
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}
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match &elem.base_type {
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ElementType::Component(comp) => {
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let lc = state.sub_component(comp);
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let ty = lc.sub_component.clone();
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let sub_component_index = sub_component.sub_components.len();
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mapping.element_mapping.insert(
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element.clone().into(),
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LoweredElement::SubComponent { sub_component_index },
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);
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sub_component.sub_components.push(SubComponentInstance {
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ty: ty.clone(),
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name: elem.id.clone(),
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index_in_tree: *elem.item_index.get().unwrap(),
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index_of_first_child_in_tree: *elem.item_index_of_first_children.get().unwrap(),
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repeater_offset,
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});
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repeater_offset += ty.repeater_count();
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}
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ElementType::Native(n) => {
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let item_index = sub_component.items.len() as u32;
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mapping
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.element_mapping
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.insert(element.clone().into(), LoweredElement::NativeItem { item_index });
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sub_component.items.push(Item {
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ty: n.clone(),
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name: elem.id.clone(),
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index_in_tree: *elem.item_index.get().unwrap(),
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})
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}
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_ => unreachable!(),
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};
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for (key, nr) in &elem.accessibility_props.0 {
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// TODO: we also want to split by type (role/string/...)
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let enum_value =
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crate::generator::to_pascal_case(key.strip_prefix("accessible-").unwrap());
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accessible_prop.push((*elem.item_index.get().unwrap(), enum_value, nr.clone()));
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}
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for (prop, expr) in &elem.change_callbacks {
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change_callbacks.push((NamedReference::new(element, prop), expr.borrow().clone()));
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}
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if compiler_config.debug_info {
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let element_infos = elem.element_infos();
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if !element_infos.is_empty() {
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sub_component.element_infos.insert(*elem.item_index.get().unwrap(), element_infos);
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}
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}
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Some(element.clone())
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});
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let ctx = ExpressionContext { mapping: &mapping, state, parent: parent_context, component };
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crate::generator::handle_property_bindings_init(component, |e, p, binding| {
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let nr = NamedReference::new(e, p);
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let prop = ctx.map_property_reference(&nr);
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if let Type::Function { .. } = nr.ty() {
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if let PropertyReference::Function { sub_component_path, function_index } = prop {
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assert!(sub_component_path.is_empty());
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sub_component.functions[function_index].code =
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super::lower_expression::lower_expression(&binding.expression, &ctx);
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} else {
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unreachable!()
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}
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return;
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}
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for tw in &binding.two_way_bindings {
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sub_component.two_way_bindings.push((prop.clone(), ctx.map_property_reference(tw)))
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}
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if !matches!(binding.expression, tree_Expression::Invalid) {
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let expression =
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super::lower_expression::lower_expression(&binding.expression, &ctx).into();
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let is_constant = binding.analysis.as_ref().map_or(false, |a| a.is_const);
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let animation = binding
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.animation
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.as_ref()
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.filter(|_| !is_constant)
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.map(|a| super::lower_expression::lower_animation(a, &ctx));
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sub_component.prop_analysis.insert(
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prop.clone(),
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PropAnalysis {
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property_init: Some(sub_component.property_init.len()),
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analysis: get_property_analysis(e, p),
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},
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);
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let is_state_info = matches!(
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e.borrow().lookup_property(p).property_type,
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Type::Struct(s) if s.name.as_ref().map_or(false, |name| name.ends_with("::StateInfo"))
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);
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sub_component.property_init.push((
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prop.clone(),
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BindingExpression {
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expression,
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animation,
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is_constant,
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is_state_info,
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use_count: 0.into(),
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},
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));
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}
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|
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if e.borrow()
|
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.property_analysis
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.borrow()
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.get(p)
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.map_or(true, |a| a.is_set || a.is_set_externally)
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{
|
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if let Some(anim) = binding.animation.as_ref() {
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match super::lower_expression::lower_animation(anim, &ctx) {
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Animation::Static(anim) => {
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sub_component.animations.insert(prop, anim);
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}
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Animation::Transition(_) => {
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// Cannot set a property with a transition anyway
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}
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}
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}
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}
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});
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sub_component.component_containers = component_container_data
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.into_iter()
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.map(|component_container| {
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lower_component_container(&component_container, &sub_component, &ctx)
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})
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.collect();
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sub_component.repeated = repeated
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.into_iter()
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.map(|elem| lower_repeated_component(&elem, &ctx, compiler_config))
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.collect();
|
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for s in &mut sub_component.sub_components {
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s.repeater_offset +=
|
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(sub_component.repeated.len() + sub_component.component_containers.len()) as u32;
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}
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|
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sub_component.popup_windows = component
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.popup_windows
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.borrow()
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.iter()
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.map(|popup| lower_popup_component(popup, &ctx, compiler_config))
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.collect();
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sub_component.timers = component.timers.borrow().iter().map(|t| lower_timer(t, &ctx)).collect();
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|
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crate::generator::for_each_const_properties(component, |elem, n| {
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let x = ctx.map_property_reference(&NamedReference::new(elem, n));
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// ensure that all const properties have analysis
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sub_component.prop_analysis.entry(x.clone()).or_insert_with(|| PropAnalysis {
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property_init: None,
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analysis: get_property_analysis(elem, n),
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});
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sub_component.const_properties.push(x);
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});
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|
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sub_component.init_code = component
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.init_code
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.borrow()
|
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.iter()
|
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.map(|e| super::lower_expression::lower_expression(e, &ctx).into())
|
|
.collect();
|
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|
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sub_component.layout_info_h = super::lower_expression::get_layout_info(
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&component.root_element,
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&ctx,
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&component.root_constraints.borrow(),
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crate::layout::Orientation::Horizontal,
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)
|
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.into();
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sub_component.layout_info_v = super::lower_expression::get_layout_info(
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&component.root_element,
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&ctx,
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&component.root_constraints.borrow(),
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crate::layout::Orientation::Vertical,
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)
|
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.into();
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|
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sub_component.accessible_prop = accessible_prop
|
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.into_iter()
|
|
.map(|(idx, key, nr)| {
|
|
let prop = ctx.map_property_reference(&nr);
|
|
let expr = match nr.ty() {
|
|
Type::Bool => super::Expression::Condition {
|
|
condition: super::Expression::PropertyReference(prop).into(),
|
|
true_expr: super::Expression::StringLiteral("true".into()).into(),
|
|
false_expr: super::Expression::StringLiteral("false".into()).into(),
|
|
},
|
|
Type::Int32 | Type::Float32 => super::Expression::Cast {
|
|
from: super::Expression::PropertyReference(prop).into(),
|
|
to: Type::String,
|
|
},
|
|
Type::String => super::Expression::PropertyReference(prop),
|
|
Type::Enumeration(e) if e.name == "AccessibleRole" => {
|
|
super::Expression::PropertyReference(prop)
|
|
}
|
|
Type::Callback(callback) => super::Expression::CallBackCall {
|
|
callback: prop,
|
|
arguments: (0..callback.args.len())
|
|
.map(|index| super::Expression::FunctionParameterReference { index })
|
|
.collect(),
|
|
},
|
|
_ => panic!("Invalid type for accessible property"),
|
|
};
|
|
|
|
((idx, key), expr.into())
|
|
})
|
|
.collect();
|
|
|
|
sub_component.change_callbacks = change_callbacks
|
|
.into_iter()
|
|
.map(|(nr, exprs)| {
|
|
let prop = ctx.map_property_reference(&nr);
|
|
let expr =
|
|
super::lower_expression::lower_expression(&tree_Expression::CodeBlock(exprs), &ctx);
|
|
(prop, expr.into())
|
|
})
|
|
.collect();
|
|
|
|
crate::object_tree::recurse_elem(&component.root_element, &(), &mut |element, _| {
|
|
let elem = element.borrow();
|
|
if elem.repeated.is_some() {
|
|
return;
|
|
};
|
|
let Some(geom) = &elem.geometry_props else { return };
|
|
let item_index = *elem.item_index.get().unwrap() as usize;
|
|
if item_index >= sub_component.geometries.len() {
|
|
sub_component.geometries.resize(item_index + 1, Default::default());
|
|
}
|
|
sub_component.geometries[item_index] = Some(lower_geometry(geom, &ctx).into());
|
|
});
|
|
|
|
LoweredSubComponent { sub_component: Rc::new(sub_component), mapping }
|
|
}
|
|
|
|
fn lower_geometry(
|
|
geom: &crate::object_tree::GeometryProps,
|
|
ctx: &ExpressionContext<'_>,
|
|
) -> super::Expression {
|
|
let mut fields = BTreeMap::default();
|
|
let mut values = HashMap::with_capacity(4);
|
|
for (f, v) in [("x", &geom.x), ("y", &geom.y), ("width", &geom.width), ("height", &geom.height)]
|
|
{
|
|
fields.insert(f.into(), Type::LogicalLength);
|
|
values
|
|
.insert(f.into(), super::Expression::PropertyReference(ctx.map_property_reference(v)));
|
|
}
|
|
super::Expression::Struct {
|
|
ty: Type::Struct(Rc::new(Struct { fields, name: None, node: None, rust_attributes: None })),
|
|
values,
|
|
}
|
|
}
|
|
|
|
fn get_property_analysis(elem: &ElementRc, p: &str) -> crate::object_tree::PropertyAnalysis {
|
|
let mut a = elem.borrow().property_analysis.borrow().get(p).cloned().unwrap_or_default();
|
|
let mut elem = elem.clone();
|
|
loop {
|
|
if let Some(d) = elem.borrow().property_declarations.get(p) {
|
|
if let Some(nr) = &d.is_alias {
|
|
a.merge(&get_property_analysis(&nr.element(), nr.name()));
|
|
}
|
|
return a;
|
|
}
|
|
let base = elem.borrow().base_type.clone();
|
|
match base {
|
|
ElementType::Native(n) => {
|
|
if n.properties.get(p).map_or(false, |p| p.is_native_output()) {
|
|
a.is_set = true;
|
|
}
|
|
}
|
|
ElementType::Component(c) => {
|
|
elem = c.root_element.clone();
|
|
if let Some(a2) = elem.borrow().property_analysis.borrow().get(p) {
|
|
a.merge_with_base(a2);
|
|
}
|
|
continue;
|
|
}
|
|
_ => (),
|
|
};
|
|
return a;
|
|
}
|
|
}
|
|
|
|
fn lower_repeated_component(
|
|
elem: &ElementRc,
|
|
ctx: &ExpressionContext,
|
|
compiler_config: &CompilerConfiguration,
|
|
) -> RepeatedElement {
|
|
let e = elem.borrow();
|
|
let component = e.base_type.as_component().clone();
|
|
let repeated = e.repeated.as_ref().unwrap();
|
|
|
|
let sc: LoweredSubComponent =
|
|
lower_sub_component(&component, ctx.state, Some(ctx), compiler_config);
|
|
|
|
let geom = component.root_element.borrow().geometry_props.clone().unwrap();
|
|
|
|
let listview = repeated.is_listview.as_ref().map(|lv| ListViewInfo {
|
|
viewport_y: ctx.map_property_reference(&lv.viewport_y),
|
|
viewport_height: ctx.map_property_reference(&lv.viewport_height),
|
|
viewport_width: ctx.map_property_reference(&lv.viewport_width),
|
|
listview_height: ctx.map_property_reference(&lv.listview_height),
|
|
listview_width: ctx.map_property_reference(&lv.listview_width),
|
|
prop_y: sc.mapping.map_property_reference(&geom.y, ctx.state),
|
|
prop_width: sc.mapping.map_property_reference(&geom.width, ctx.state),
|
|
prop_height: sc.mapping.map_property_reference(&geom.height, ctx.state),
|
|
});
|
|
|
|
RepeatedElement {
|
|
model: super::lower_expression::lower_expression(&repeated.model, ctx).into(),
|
|
sub_tree: ItemTree {
|
|
tree: make_tree(ctx.state, &component.root_element, &sc, &[]),
|
|
root: Rc::try_unwrap(sc.sub_component).unwrap(),
|
|
parent_context: Some(e.enclosing_component.upgrade().unwrap().id.clone()),
|
|
},
|
|
index_prop: (!repeated.is_conditional_element).then_some(1),
|
|
data_prop: (!repeated.is_conditional_element).then_some(0),
|
|
index_in_tree: *e.item_index.get().unwrap(),
|
|
listview,
|
|
}
|
|
}
|
|
|
|
fn lower_component_container(
|
|
container: &ElementRc,
|
|
sub_component: &SubComponent,
|
|
_ctx: &ExpressionContext,
|
|
) -> ComponentContainerElement {
|
|
let c = container.borrow();
|
|
|
|
let component_container_index = *c.item_index.get().unwrap();
|
|
let component_container_items_index = sub_component
|
|
.items
|
|
.iter()
|
|
.position(|i| i.index_in_tree == component_container_index)
|
|
.unwrap() as u32;
|
|
|
|
ComponentContainerElement {
|
|
component_container_item_tree_index: component_container_index,
|
|
component_container_items_index,
|
|
component_placeholder_item_tree_index: *c.item_index_of_first_children.get().unwrap(),
|
|
}
|
|
}
|
|
|
|
fn lower_popup_component(
|
|
popup: &object_tree::PopupWindow,
|
|
ctx: &ExpressionContext,
|
|
compiler_config: &CompilerConfiguration,
|
|
) -> PopupWindow {
|
|
let sc = lower_sub_component(&popup.component, ctx.state, Some(ctx), compiler_config);
|
|
let item_tree = ItemTree {
|
|
tree: make_tree(ctx.state, &popup.component.root_element, &sc, &[]),
|
|
root: Rc::try_unwrap(sc.sub_component).unwrap(),
|
|
parent_context: Some(
|
|
popup
|
|
.component
|
|
.parent_element
|
|
.upgrade()
|
|
.unwrap()
|
|
.borrow()
|
|
.enclosing_component
|
|
.upgrade()
|
|
.unwrap()
|
|
.id
|
|
.clone(),
|
|
),
|
|
};
|
|
|
|
use super::Expression::PropertyReference as PR;
|
|
let position = super::lower_expression::make_struct(
|
|
"Point",
|
|
[
|
|
("x", Type::LogicalLength, PR(sc.mapping.map_property_reference(&popup.x, ctx.state))),
|
|
("y", Type::LogicalLength, PR(sc.mapping.map_property_reference(&popup.y, ctx.state))),
|
|
],
|
|
);
|
|
|
|
PopupWindow { item_tree, position: position.into() }
|
|
}
|
|
|
|
fn lower_timer(timer: &object_tree::Timer, ctx: &ExpressionContext) -> Timer {
|
|
Timer {
|
|
interval: super::Expression::PropertyReference(ctx.map_property_reference(&timer.interval))
|
|
.into(),
|
|
running: super::Expression::PropertyReference(ctx.map_property_reference(&timer.running))
|
|
.into(),
|
|
// TODO: this calls a callback instead of inlining the callback code directly
|
|
triggered: super::Expression::CallBackCall {
|
|
callback: ctx.map_property_reference(&timer.triggered),
|
|
arguments: vec![],
|
|
}
|
|
.into(),
|
|
}
|
|
}
|
|
|
|
fn lower_global(
|
|
global: &Rc<Component>,
|
|
global_index: usize,
|
|
state: &mut LoweringState,
|
|
) -> GlobalComponent {
|
|
let mut mapping = LoweredSubComponentMapping::default();
|
|
let mut properties = vec![];
|
|
let mut const_properties = vec![];
|
|
let mut prop_analysis = vec![];
|
|
let mut functions = vec![];
|
|
|
|
for (p, x) in &global.root_element.borrow().property_declarations {
|
|
if x.is_alias.is_some() {
|
|
continue;
|
|
}
|
|
let property_index = properties.len();
|
|
let nr = NamedReference::new(&global.root_element, p);
|
|
|
|
if let Type::Function(function) = &x.property_type {
|
|
let function_index = functions.len();
|
|
mapping.property_mapping.insert(
|
|
nr.clone(),
|
|
PropertyReference::Function { sub_component_path: vec![], function_index },
|
|
);
|
|
state.global_properties.insert(
|
|
nr.clone(),
|
|
PropertyReference::GlobalFunction { global_index, function_index },
|
|
);
|
|
// TODO: wrap the Rc<langtype::Function> instead of cloning
|
|
functions.push(Function {
|
|
name: p.clone(),
|
|
ret_ty: function.return_type.clone(),
|
|
args: function.args.clone(),
|
|
// will be replaced later
|
|
code: super::Expression::CodeBlock(vec![]),
|
|
});
|
|
continue;
|
|
}
|
|
|
|
mapping.property_mapping.insert(
|
|
nr.clone(),
|
|
PropertyReference::Local { sub_component_path: vec![], property_index },
|
|
);
|
|
|
|
properties.push(Property {
|
|
name: p.clone(),
|
|
ty: x.property_type.clone(),
|
|
..Property::default()
|
|
});
|
|
if !matches!(x.property_type, Type::Callback { .. }) {
|
|
const_properties.push(nr.is_constant());
|
|
} else {
|
|
const_properties.push(false);
|
|
}
|
|
prop_analysis.push(
|
|
global
|
|
.root_element
|
|
.borrow()
|
|
.property_analysis
|
|
.borrow()
|
|
.get(p)
|
|
.cloned()
|
|
.unwrap_or_default(),
|
|
);
|
|
state
|
|
.global_properties
|
|
.insert(nr.clone(), PropertyReference::Global { global_index, property_index });
|
|
}
|
|
|
|
let mut init_values = vec![None; properties.len()];
|
|
|
|
let ctx = ExpressionContext { mapping: &mapping, state, parent: None, component: global };
|
|
for (prop, binding) in &global.root_element.borrow().bindings {
|
|
assert!(binding.borrow().two_way_bindings.is_empty());
|
|
assert!(binding.borrow().animation.is_none());
|
|
let expression =
|
|
super::lower_expression::lower_expression(&binding.borrow().expression, &ctx);
|
|
|
|
let nr = NamedReference::new(&global.root_element, prop);
|
|
let property_index = match mapping.property_mapping[&nr] {
|
|
PropertyReference::Local { property_index, .. } => property_index,
|
|
PropertyReference::Function { ref sub_component_path, function_index } => {
|
|
assert!(sub_component_path.is_empty());
|
|
functions[function_index].code = expression;
|
|
continue;
|
|
}
|
|
_ => unreachable!(),
|
|
};
|
|
let is_constant = binding.borrow().analysis.as_ref().map_or(false, |a| a.is_const);
|
|
init_values[property_index] = Some(BindingExpression {
|
|
expression: expression.into(),
|
|
animation: None,
|
|
is_constant,
|
|
is_state_info: false,
|
|
use_count: 0.into(),
|
|
});
|
|
}
|
|
|
|
let mut change_callbacks = BTreeMap::new();
|
|
for (prop, expr) in &global.root_element.borrow().change_callbacks {
|
|
let nr = NamedReference::new(&global.root_element, prop);
|
|
let property_index = match mapping.property_mapping[&nr] {
|
|
PropertyReference::Local { property_index, .. } => property_index,
|
|
_ => unreachable!(),
|
|
};
|
|
let expression = super::lower_expression::lower_expression(
|
|
&tree_Expression::CodeBlock(expr.borrow().clone()),
|
|
&ctx,
|
|
);
|
|
change_callbacks.insert(property_index, expression.into());
|
|
}
|
|
|
|
let is_builtin = if let Some(builtin) = global.root_element.borrow().native_class() {
|
|
// We just generate the property so we know how to address them
|
|
for (p, x) in &builtin.properties {
|
|
let property_index = properties.len();
|
|
properties.push(Property { name: p.clone(), ty: x.ty.clone(), ..Property::default() });
|
|
let nr = NamedReference::new(&global.root_element, p);
|
|
state
|
|
.global_properties
|
|
.insert(nr, PropertyReference::Global { global_index, property_index });
|
|
prop_analysis.push(PropertyAnalysis {
|
|
// Assume that a builtin global property can always be set from the builtin code
|
|
is_set_externally: true,
|
|
..global
|
|
.root_element
|
|
.borrow()
|
|
.property_analysis
|
|
.borrow()
|
|
.get(p)
|
|
.cloned()
|
|
.unwrap_or_default()
|
|
});
|
|
}
|
|
true
|
|
} else {
|
|
false
|
|
};
|
|
|
|
let public_properties = public_properties(global, &mapping, state);
|
|
GlobalComponent {
|
|
name: global.root_element.borrow().id.clone(),
|
|
properties,
|
|
functions,
|
|
init_values,
|
|
change_callbacks,
|
|
const_properties,
|
|
public_properties,
|
|
private_properties: global.private_properties.borrow().clone(),
|
|
exported: !global.exported_global_names.borrow().is_empty(),
|
|
aliases: global.global_aliases(),
|
|
is_builtin,
|
|
prop_analysis,
|
|
}
|
|
}
|
|
|
|
fn make_tree(
|
|
state: &LoweringState,
|
|
element: &ElementRc,
|
|
component: &LoweredSubComponent,
|
|
sub_component_path: &[usize],
|
|
) -> TreeNode {
|
|
let e = element.borrow();
|
|
let children = e.children.iter().map(|c| make_tree(state, c, component, sub_component_path));
|
|
let repeater_count = component.mapping.repeater_count;
|
|
match component.mapping.element_mapping.get(&ByAddress(element.clone())).unwrap() {
|
|
LoweredElement::SubComponent { sub_component_index } => {
|
|
let sub_component = e.sub_component().unwrap();
|
|
let new_sub_component_path = sub_component_path
|
|
.iter()
|
|
.copied()
|
|
.chain(std::iter::once(*sub_component_index))
|
|
.collect::<Vec<_>>();
|
|
let mut tree_node = make_tree(
|
|
state,
|
|
&sub_component.root_element,
|
|
state.sub_component(sub_component),
|
|
&new_sub_component_path,
|
|
);
|
|
tree_node.children.extend(children);
|
|
tree_node.is_accessible |= !e.accessibility_props.0.is_empty();
|
|
tree_node
|
|
}
|
|
LoweredElement::NativeItem { item_index } => TreeNode {
|
|
is_accessible: !e.accessibility_props.0.is_empty(),
|
|
sub_component_path: sub_component_path.into(),
|
|
item_index: *item_index,
|
|
children: children.collect(),
|
|
repeated: false,
|
|
component_container: false,
|
|
},
|
|
LoweredElement::Repeated { repeated_index } => TreeNode {
|
|
is_accessible: false,
|
|
sub_component_path: sub_component_path.into(),
|
|
item_index: *repeated_index,
|
|
children: vec![],
|
|
repeated: true,
|
|
component_container: false,
|
|
},
|
|
LoweredElement::ComponentPlaceholder { repeated_index } => TreeNode {
|
|
is_accessible: false,
|
|
sub_component_path: sub_component_path.into(),
|
|
item_index: *repeated_index + repeater_count,
|
|
children: vec![],
|
|
repeated: false,
|
|
component_container: true,
|
|
},
|
|
}
|
|
}
|
|
|
|
fn public_properties(
|
|
component: &Component,
|
|
mapping: &LoweredSubComponentMapping,
|
|
state: &LoweringState,
|
|
) -> PublicProperties {
|
|
component
|
|
.root_element
|
|
.borrow()
|
|
.property_declarations
|
|
.iter()
|
|
.filter(|(_, c)| c.expose_in_public_api)
|
|
.map(|(p, c)| {
|
|
let property_reference = mapping
|
|
.map_property_reference(&NamedReference::new(&component.root_element, p), state);
|
|
PublicProperty {
|
|
name: p.clone(),
|
|
ty: c.property_type.clone(),
|
|
prop: property_reference,
|
|
read_only: c.visibility == PropertyVisibility::Output,
|
|
}
|
|
})
|
|
.collect()
|
|
}
|