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mir_codebase/
storage.rs

1use std::sync::Arc;
2
3use indexmap::IndexMap;
4use mir_types::Union;
5use serde::{Deserialize, Serialize};
6
7// ---------------------------------------------------------------------------
8// Shared primitives
9// ---------------------------------------------------------------------------
10
11#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Serialize, Deserialize)]
12pub enum Visibility {
13    Public,
14    Protected,
15    Private,
16}
17
18impl Visibility {
19    pub fn is_at_least(&self, required: Visibility) -> bool {
20        *self <= required
21    }
22}
23
24impl std::fmt::Display for Visibility {
25    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
26        match self {
27            Visibility::Public => write!(f, "public"),
28            Visibility::Protected => write!(f, "protected"),
29            Visibility::Private => write!(f, "private"),
30        }
31    }
32}
33
34#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
35pub struct TemplateParam {
36    pub name: Arc<str>,
37    pub bound: Option<Union>,
38    /// The entity (class or function FQN) that declared this template param.
39    pub defining_entity: Arc<str>,
40    pub variance: mir_types::Variance,
41}
42
43#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
44pub struct FnParam {
45    pub name: Arc<str>,
46    pub ty: Option<Union>,
47    pub default: Option<Union>,
48    pub is_variadic: bool,
49    pub is_byref: bool,
50    pub is_optional: bool,
51}
52
53// ---------------------------------------------------------------------------
54// Location — file + pre-computed line/col span
55// ---------------------------------------------------------------------------
56
57/// Declaration location.
58///
59/// Columns are 0-based Unicode scalar value (code-point) counts, equivalent to
60/// LSP `utf-32` position encoding. Convert to UTF-16 code units at the LSP
61/// boundary for clients that do not advertise `utf-32` support.
62#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
63pub struct Location {
64    pub file: Arc<str>,
65    /// 1-based start line.
66    pub line: u32,
67    /// 1-based end line (inclusive). Equal to `line` for single-line spans.
68    pub line_end: u32,
69    /// 0-based Unicode code-point column of the span start.
70    pub col_start: u16,
71    /// 0-based Unicode code-point column of the span end (exclusive).
72    pub col_end: u16,
73}
74
75impl Location {
76    pub fn new(file: Arc<str>, line: u32, line_end: u32, col_start: u16, col_end: u16) -> Self {
77        Self {
78            file,
79            line,
80            line_end,
81            col_start,
82            col_end,
83        }
84    }
85}
86
87// ---------------------------------------------------------------------------
88// Assertion — `@psalm-assert`, `@psalm-assert-if-true`, etc.
89// ---------------------------------------------------------------------------
90
91#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
92pub enum AssertionKind {
93    Assert,
94    AssertIfTrue,
95    AssertIfFalse,
96}
97
98#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
99pub struct Assertion {
100    pub kind: AssertionKind,
101    pub param: Arc<str>,
102    pub ty: Union,
103}
104
105// ---------------------------------------------------------------------------
106// MethodStorage
107// ---------------------------------------------------------------------------
108
109#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
110pub struct MethodStorage {
111    pub name: Arc<str>,
112    pub fqcn: Arc<str>,
113    pub params: Vec<FnParam>,
114    /// Type from annotation (`@return` / native type hint). `None` means unannotated.
115    pub return_type: Option<Union>,
116    /// Type inferred from body analysis (filled in during pass 2).
117    pub inferred_return_type: Option<Union>,
118    pub visibility: Visibility,
119    pub is_static: bool,
120    pub is_abstract: bool,
121    pub is_final: bool,
122    pub is_constructor: bool,
123    pub template_params: Vec<TemplateParam>,
124    pub assertions: Vec<Assertion>,
125    pub throws: Vec<Arc<str>>,
126    pub deprecated: Option<Arc<str>>,
127    pub is_internal: bool,
128    pub is_pure: bool,
129    pub location: Option<Location>,
130}
131
132impl MethodStorage {
133    pub fn effective_return_type(&self) -> Option<&Union> {
134        self.return_type
135            .as_ref()
136            .or(self.inferred_return_type.as_ref())
137    }
138}
139
140// ---------------------------------------------------------------------------
141// PropertyStorage
142// ---------------------------------------------------------------------------
143
144#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
145pub struct PropertyStorage {
146    pub name: Arc<str>,
147    pub ty: Option<Union>,
148    pub inferred_ty: Option<Union>,
149    pub visibility: Visibility,
150    pub is_static: bool,
151    pub is_readonly: bool,
152    pub default: Option<Union>,
153    pub location: Option<Location>,
154}
155
156// ---------------------------------------------------------------------------
157// ConstantStorage
158// ---------------------------------------------------------------------------
159
160#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
161pub struct ConstantStorage {
162    pub name: Arc<str>,
163    pub ty: Union,
164    pub visibility: Option<Visibility>,
165    #[serde(default)]
166    pub is_final: bool,
167    pub location: Option<Location>,
168}
169
170// ---------------------------------------------------------------------------
171// ClassStorage
172// ---------------------------------------------------------------------------
173
174#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
175pub struct ClassStorage {
176    pub fqcn: Arc<str>,
177    pub short_name: Arc<str>,
178    pub parent: Option<Arc<str>>,
179    pub interfaces: Vec<Arc<str>>,
180    pub traits: Vec<Arc<str>>,
181    pub own_methods: IndexMap<Arc<str>, Arc<MethodStorage>>,
182    pub own_properties: IndexMap<Arc<str>, PropertyStorage>,
183    pub own_constants: IndexMap<Arc<str>, ConstantStorage>,
184    #[serde(default)]
185    pub mixins: Vec<Arc<str>>,
186    pub template_params: Vec<TemplateParam>,
187    /// Type arguments from `@extends ParentClass<T1, T2>` — maps parent's template params to concrete types.
188    pub extends_type_args: Vec<Union>,
189    /// Type arguments from `@implements Interface<T1, T2>`.
190    #[serde(default)]
191    pub implements_type_args: Vec<(Arc<str>, Vec<Union>)>,
192    pub is_abstract: bool,
193    pub is_final: bool,
194    pub is_readonly: bool,
195    pub deprecated: Option<Arc<str>>,
196    pub is_internal: bool,
197    pub location: Option<Location>,
198    /// Type aliases declared on this class via `@psalm-type` / `@phpstan-type`.
199    #[serde(default)]
200    pub type_aliases: std::collections::HashMap<Arc<str>, Union>,
201    /// Raw import-type declarations (`(local_name, original_name, from_class)`) — resolved during finalization.
202    #[serde(default)]
203    pub pending_import_types: Vec<(Arc<str>, Arc<str>, Arc<str>)>,
204}
205
206impl ClassStorage {
207    pub fn get_method(&self, name: &str) -> Option<&MethodStorage> {
208        // PHP method names are case-insensitive; caller should pass lowercase name.
209        // Only searches own_methods — inherited method resolution is done by
210        // `db::lookup_method_in_chain`.
211        self.own_methods.get(name).map(Arc::as_ref).or_else(|| {
212            self.own_methods
213                .iter()
214                .find(|(k, _)| k.as_ref().eq_ignore_ascii_case(name))
215                .map(|(_, v)| v.as_ref())
216        })
217    }
218
219    pub fn get_property(&self, name: &str) -> Option<&PropertyStorage> {
220        self.own_properties.get(name)
221    }
222}
223
224// ---------------------------------------------------------------------------
225// InterfaceStorage
226// ---------------------------------------------------------------------------
227
228#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
229pub struct InterfaceStorage {
230    pub fqcn: Arc<str>,
231    pub short_name: Arc<str>,
232    pub extends: Vec<Arc<str>>,
233    pub own_methods: IndexMap<Arc<str>, Arc<MethodStorage>>,
234    pub own_constants: IndexMap<Arc<str>, ConstantStorage>,
235    pub template_params: Vec<TemplateParam>,
236    pub location: Option<Location>,
237}
238
239// ---------------------------------------------------------------------------
240// TraitStorage
241// ---------------------------------------------------------------------------
242
243#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
244pub struct TraitStorage {
245    pub fqcn: Arc<str>,
246    pub short_name: Arc<str>,
247    pub own_methods: IndexMap<Arc<str>, Arc<MethodStorage>>,
248    pub own_properties: IndexMap<Arc<str>, PropertyStorage>,
249    pub own_constants: IndexMap<Arc<str>, ConstantStorage>,
250    pub template_params: Vec<TemplateParam>,
251    /// Traits used by this trait (`use OtherTrait;` inside a trait body).
252    pub traits: Vec<Arc<str>>,
253    pub location: Option<Location>,
254    /// `@psalm-require-extends` / `@phpstan-require-extends` — FQCNs that using classes must extend.
255    #[serde(default)]
256    pub require_extends: Vec<Arc<str>>,
257    /// `@psalm-require-implements` / `@phpstan-require-implements` — FQCNs that using classes must implement.
258    #[serde(default)]
259    pub require_implements: Vec<Arc<str>>,
260}
261
262// ---------------------------------------------------------------------------
263// EnumStorage
264// ---------------------------------------------------------------------------
265
266#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
267pub struct EnumCaseStorage {
268    pub name: Arc<str>,
269    pub value: Option<Union>,
270    pub location: Option<Location>,
271}
272
273#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
274pub struct EnumStorage {
275    pub fqcn: Arc<str>,
276    pub short_name: Arc<str>,
277    pub scalar_type: Option<Union>,
278    pub interfaces: Vec<Arc<str>>,
279    pub cases: IndexMap<Arc<str>, EnumCaseStorage>,
280    pub own_methods: IndexMap<Arc<str>, Arc<MethodStorage>>,
281    pub own_constants: IndexMap<Arc<str>, ConstantStorage>,
282    pub location: Option<Location>,
283}
284
285// ---------------------------------------------------------------------------
286// FunctionStorage
287// ---------------------------------------------------------------------------
288
289#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
290pub struct FunctionStorage {
291    pub fqn: Arc<str>,
292    pub short_name: Arc<str>,
293    pub params: Vec<FnParam>,
294    pub return_type: Option<Union>,
295    pub inferred_return_type: Option<Union>,
296    pub template_params: Vec<TemplateParam>,
297    pub assertions: Vec<Assertion>,
298    pub throws: Vec<Arc<str>>,
299    pub deprecated: Option<Arc<str>>,
300    pub is_pure: bool,
301    pub location: Option<Location>,
302}
303
304impl FunctionStorage {
305    pub fn effective_return_type(&self) -> Option<&Union> {
306        self.return_type
307            .as_ref()
308            .or(self.inferred_return_type.as_ref())
309    }
310}
311
312// ---------------------------------------------------------------------------
313// StubSlice — serializable bundle of definitions from one extension's stubs
314// ---------------------------------------------------------------------------
315
316/// A snapshot of all PHP definitions contributed by a single stub file set.
317///
318/// Produced by `mir-stubs-gen` at code-generation time and deserialized at
319/// runtime to ingest definitions into the salsa db via
320/// `MirDatabase::ingest_stub_slice`.
321#[derive(Debug, Clone, Default, serde::Serialize, serde::Deserialize)]
322pub struct StubSlice {
323    pub classes: Vec<ClassStorage>,
324    pub interfaces: Vec<InterfaceStorage>,
325    pub traits: Vec<TraitStorage>,
326    pub enums: Vec<EnumStorage>,
327    pub functions: Vec<FunctionStorage>,
328    #[serde(default)]
329    pub constants: Vec<(Arc<str>, Union)>,
330    /// Source file this slice was collected from. `None` for bundled stub slices
331    /// that were pre-computed and are not tied to a specific on-disk file.
332    #[serde(default)]
333    pub file: Option<Arc<str>>,
334    /// Types of `@var`-annotated global variables collected from this file.
335    /// Populated by `DefinitionCollector`; ingested into the salsa db's
336    /// `global_vars` table by `ingest_stub_slice` when `file` is `Some`.
337    #[serde(default)]
338    pub global_vars: Vec<(Arc<str>, Union)>,
339    /// The first namespace declared in this file (e.g. `"App\\Service"`).
340    /// Populated by `DefinitionCollector`; ingested into the salsa db's
341    /// `file_namespaces` table by `ingest_stub_slice` when `file` is `Some`.
342    #[serde(default)]
343    pub namespace: Option<Arc<str>>,
344    /// `use` alias map for this file: alias → FQCN.
345    /// Populated by `DefinitionCollector`; ingested into the salsa db's
346    /// `file_imports` table by `ingest_stub_slice` when `file` is `Some`.
347    #[serde(default)]
348    pub imports: std::collections::HashMap<String, String>,
349}