sdml_core/model/definitions/
events.rs

1use crate::{
2    load::ModuleLoader,
3    model::{
4        annotations::{Annotation, AnnotationBuilder, AnnotationProperty, HasAnnotations},
5        check::{validate_multiple_method_duplicates, MaybeIncomplete, Validate},
6        definitions::SourceEntity,
7        identifiers::{Identifier, IdentifierReference},
8        members::Member,
9        modules::Module,
10        values::Value,
11        HasName, HasOptionalBody, HasSourceSpan, References, Span,
12    },
13    store::ModuleStore,
14};
15use sdml_errors::diagnostics::functions::IdentifierCaseConvention;
16use std::{
17    collections::{BTreeMap, BTreeSet},
18    fmt::Debug,
19};
20
21#[cfg(feature = "serde")]
22use serde::{Deserialize, Serialize};
23
24use super::HasMultiMembers;
25
26// ------------------------------------------------------------------------------------------------
27// Public Types ❱ Definitions ❱ Events
28// ------------------------------------------------------------------------------------------------
29
30/// Corresponds to the grammar rule `event_def`.
31#[derive(Clone, Debug)]
32#[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
33pub struct EventDef {
34    #[cfg_attr(feature = "serde", serde(skip_serializing_if = "Option::is_none"))]
35    span: Option<Span>,
36    name: Identifier,
37    #[cfg_attr(feature = "serde", serde(skip_serializing_if = "Option::is_none"))]
38    body: Option<EventBody>,
39}
40
41/// Corresponds to the grammar rule `event_body`.
42#[derive(Clone, Debug)]
43#[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
44pub struct EventBody {
45    #[cfg_attr(feature = "serde", serde(skip_serializing_if = "Option::is_none"))]
46    span: Option<Span>,
47    #[cfg_attr(feature = "serde", serde(skip_serializing_if = "Vec::is_empty"))]
48    annotations: Vec<Annotation>,
49    source_entity: SourceEntity,
50    #[cfg_attr(feature = "serde", serde(skip_serializing_if = "BTreeMap::is_empty"))]
51    members: BTreeMap<Identifier, Member>,
52}
53
54// ------------------------------------------------------------------------------------------------
55// Implementations ❱ Definitions ❱ EventDef
56// ------------------------------------------------------------------------------------------------
57
58impl HasName for EventDef {
59    fn name(&self) -> &Identifier {
60        &self.name
61    }
62
63    fn set_name(&mut self, name: Identifier) {
64        self.name = name;
65    }
66}
67
68impl HasOptionalBody for EventDef {
69    type Body = EventBody;
70
71    fn body(&self) -> Option<&Self::Body> {
72        self.body.as_ref()
73    }
74
75    fn body_mut(&mut self) -> Option<&mut Self::Body> {
76        self.body.as_mut()
77    }
78
79    fn set_body(&mut self, body: Self::Body) {
80        self.body = Some(body);
81    }
82
83    fn unset_body(&mut self) {
84        self.body = None;
85    }
86}
87
88impl References for EventDef {
89    fn referenced_annotations<'a>(&'a self, names: &mut BTreeSet<&'a IdentifierReference>) {
90        if let Some(inner) = &self.body {
91            inner.referenced_annotations(names);
92        }
93    }
94
95    fn referenced_types<'a>(&'a self, names: &mut BTreeSet<&'a IdentifierReference>) {
96        if let Some(inner) = &self.body {
97            inner.referenced_types(names);
98        }
99    }
100}
101
102impl HasSourceSpan for EventDef {
103    fn with_source_span(self, span: Span) -> Self {
104        let mut self_mut = self;
105        self_mut.span = Some(span);
106        self_mut
107    }
108
109    fn source_span(&self) -> Option<&Span> {
110        self.span.as_ref()
111    }
112
113    fn set_source_span(&mut self, span: Span) {
114        self.span = Some(span);
115    }
116
117    fn unset_source_span(&mut self) {
118        self.span = None;
119    }
120}
121
122impl MaybeIncomplete for EventDef {
123    fn is_incomplete(&self, top: &Module, cache: &impl ModuleStore) -> bool {
124        if let Some(body) = &self.body {
125            body.is_incomplete(top, cache)
126        } else {
127            true
128        }
129    }
130}
131
132impl AnnotationBuilder for EventDef {
133    fn with_predicate<I, V>(self, predicate: I, value: V) -> Self
134    where
135        Self: Sized,
136        I: Into<IdentifierReference>,
137        V: Into<Value>,
138    {
139        let mut self_mut = self;
140        if let Some(ref mut inner) = self_mut.body {
141            inner.add_to_annotations(AnnotationProperty::new(predicate.into(), value.into()));
142        }
143        self_mut
144    }
145}
146
147impl Validate for EventDef {
148    fn validate(
149        &self,
150        top: &crate::model::modules::Module,
151        cache: &impl crate::store::ModuleStore,
152        loader: &impl crate::load::ModuleLoader,
153        check_constraints: bool,
154    ) {
155        self.name()
156            .validate(top, loader, Some(IdentifierCaseConvention::TypeDefinition));
157        if let Some(body) = &self.body {
158            body.validate(top, cache, loader, check_constraints);
159        }
160    }
161}
162
163impl EventDef {
164    // --------------------------------------------------------------------------------------------
165    // Constructors
166    // --------------------------------------------------------------------------------------------
167
168    pub fn new(name: Identifier) -> Self {
169        Self {
170            span: Default::default(),
171            name,
172            body: Default::default(),
173        }
174    }
175
176    pub fn with_body(self, body: EventBody) -> Self {
177        let mut self_mut = self;
178        self_mut.body = Some(body);
179        self_mut
180    }
181}
182
183// ------------------------------------------------------------------------------------------------
184// Implementations ❱ Definitions ❱ EventBody
185// ------------------------------------------------------------------------------------------------
186
187impl HasAnnotations for EventBody {
188    fn has_annotations(&self) -> bool {
189        !self.annotations.is_empty()
190    }
191
192    fn annotation_count(&self) -> usize {
193        self.annotations.len()
194    }
195
196    fn annotations(&self) -> impl Iterator<Item = &Annotation> {
197        self.annotations.iter()
198    }
199
200    fn annotations_mut(&mut self) -> impl Iterator<Item = &mut Annotation> {
201        self.annotations.iter_mut()
202    }
203
204    fn add_to_annotations<I>(&mut self, value: I)
205    where
206        I: Into<Annotation>,
207    {
208        self.annotations.push(value.into())
209    }
210
211    fn extend_annotations<I>(&mut self, extension: I)
212    where
213        I: IntoIterator<Item = Annotation>,
214    {
215        self.annotations.extend(extension.into_iter())
216    }
217}
218
219impl HasSourceSpan for EventBody {
220    fn with_source_span(self, span: Span) -> Self {
221        let mut self_mut = self;
222        self_mut.span = Some(span);
223        self_mut
224    }
225
226    fn source_span(&self) -> Option<&Span> {
227        self.span.as_ref()
228    }
229
230    fn set_source_span(&mut self, span: Span) {
231        self.span = Some(span);
232    }
233
234    fn unset_source_span(&mut self) {
235        self.span = None;
236    }
237}
238
239impl MaybeIncomplete for EventBody {
240    fn is_incomplete(&self, top: &Module, cache: &impl ModuleStore) -> bool {
241        self.members().any(|elem| elem.is_incomplete(top, cache))
242    }
243}
244
245impl Validate for EventBody {
246    fn validate(
247        &self,
248        top: &Module,
249        cache: &impl ModuleStore,
250        loader: &impl ModuleLoader,
251        check_constraints: bool,
252    ) {
253        validate_multiple_method_duplicates(self, top, cache, loader);
254
255        self.source_entity()
256            .validate(top, cache, loader, check_constraints);
257        self.annotations()
258            .for_each(|a| a.validate(top, cache, loader, check_constraints));
259        self.members()
260            .for_each(|m| m.validate(top, cache, loader, check_constraints));
261    }
262}
263
264impl References for EventBody {
265    fn referenced_types<'a>(&'a self, names: &mut BTreeSet<&'a IdentifierReference>) {
266        self.source_entity().referenced_types(names);
267        self.members().for_each(|m| m.referenced_types(names));
268    }
269
270    fn referenced_annotations<'a>(&'a self, names: &mut BTreeSet<&'a IdentifierReference>) {
271        self.source_entity().referenced_annotations(names);
272        self.members().for_each(|m| m.referenced_annotations(names));
273    }
274}
275
276impl HasMultiMembers for EventBody {
277    fn has_any_members(&self) -> bool {
278        !(self.has_source_members() || self.has_members())
279    }
280
281    fn contains_any_member(&self, name: &Identifier) -> bool {
282        self.contains_source_member(name) || self.contains_member(name)
283    }
284
285    fn all_member_count(&self) -> usize {
286        self.source_member_count() + self.members.len()
287    }
288
289    fn all_member_names(&self) -> impl Iterator<Item = &Identifier> {
290        self.source_member_names().chain(self.member_names())
291    }
292}
293
294impl EventBody {
295    // --------------------------------------------------------------------------------------------
296    // Constructors
297    // --------------------------------------------------------------------------------------------
298
299    /// Creates a new [`EventBody`] with the provided, and required, [`SourceEntity`].
300    pub fn new(source_entity: SourceEntity) -> Self {
301        Self {
302            span: Default::default(),
303            annotations: Default::default(),
304            source_entity,
305            members: Default::default(),
306        }
307    }
308
309    pub fn with_members<I>(self, members: I) -> Self
310    where
311        I: IntoIterator<Item = Member>,
312    {
313        let mut self_mut = self;
314        self_mut.extend_members(members);
315        self_mut
316    }
317
318    // --------------------------------------------------------------------------------------------
319    // Fields
320    // --------------------------------------------------------------------------------------------
321
322    /// Returns a reference to the source entity of this [`EventBody`].
323    pub const fn source_entity(&self) -> &SourceEntity {
324        &self.source_entity
325    }
326
327    /// Sets the source entity of this [`EventBody`].
328    pub fn set_source_entity(&mut self, source_entity: SourceEntity) {
329        self.source_entity = source_entity;
330    }
331
332    /// Returns the has source *members* of this [`EventBody`].
333    fn has_source_members(&self) -> bool {
334        self.source_entity.has_members()
335    }
336
337    /// Returns the source *member* count of this [`EventBody`].
338    fn source_member_count(&self) -> usize {
339        self.source_entity.member_count()
340    }
341
342    fn source_member_names(&self) -> impl Iterator<Item = &Identifier> {
343        self.source_entity.members()
344    }
345
346    fn contains_source_member(&self, name: &Identifier) -> bool {
347        self.source_entity.contains_member(name)
348    }
349
350    // --------------------------------------------------------------------------------------------
351    // Members
352    // --------------------------------------------------------------------------------------------
353
354    pub fn has_members(&self) -> bool {
355        !self.members.is_empty()
356    }
357
358    pub fn member_count(&self) -> usize {
359        self.members.len()
360    }
361
362    pub fn contains_member(&self, name: &Identifier) -> bool {
363        self.members.contains_key(name)
364    }
365
366    pub fn member(&self, name: &Identifier) -> Option<&Member> {
367        self.members.get(name)
368    }
369
370    pub fn member_mut(&mut self, name: &Identifier) -> Option<&mut Member> {
371        self.members.get_mut(name)
372    }
373
374    pub fn members(&self) -> impl Iterator<Item = &Member> {
375        self.members.values()
376    }
377
378    pub fn members_mut(&mut self) -> impl Iterator<Item = &mut Member> {
379        self.members.values_mut()
380    }
381
382    pub fn member_names(&self) -> impl Iterator<Item = &Identifier> {
383        self.members.keys()
384    }
385
386    pub fn add_to_members(&mut self, value: Member) -> Option<Member> {
387        self.members.insert(value.name().clone(), value)
388    }
389
390    pub fn extend_members<I>(&mut self, extension: I)
391    where
392        I: IntoIterator<Item = Member>,
393    {
394        self.members.extend(
395            extension
396                .into_iter()
397                .map(|elem| (elem.name().clone(), elem)),
398        )
399    }
400}