1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
//! Database used for testing `hir`.
use std::{
panic,
sync::{Arc, Mutex},
};
use hir_def::{db::DefDatabase, AssocItemId, ModuleDefId, ModuleId};
use hir_expand::{db::AstDatabase, diagnostics::DiagnosticSink};
use ra_db::{salsa, CrateId, FileId, FileLoader, FileLoaderDelegate, SourceDatabase, Upcast};
use rustc_hash::FxHashSet;
use stdx::format_to;
use crate::{
db::HirDatabase, diagnostics::Diagnostic, expr::ExprValidator,
unsafe_validation::UnsafeValidator,
};
#[salsa::database(
ra_db::SourceDatabaseExtStorage,
ra_db::SourceDatabaseStorage,
hir_expand::db::AstDatabaseStorage,
hir_def::db::InternDatabaseStorage,
hir_def::db::DefDatabaseStorage,
crate::db::HirDatabaseStorage
)]
#[derive(Debug, Default)]
pub struct TestDB {
events: Mutex<Option<Vec<salsa::Event<TestDB>>>>,
runtime: salsa::Runtime<TestDB>,
}
impl Upcast<dyn AstDatabase> for TestDB {
fn upcast(&self) -> &(dyn AstDatabase + 'static) {
&*self
}
}
impl Upcast<dyn DefDatabase> for TestDB {
fn upcast(&self) -> &(dyn DefDatabase + 'static) {
&*self
}
}
impl salsa::Database for TestDB {
fn salsa_runtime(&self) -> &salsa::Runtime<TestDB> {
&self.runtime
}
fn salsa_runtime_mut(&mut self) -> &mut salsa::Runtime<Self> {
&mut self.runtime
}
fn salsa_event(&self, event: impl Fn() -> salsa::Event<TestDB>) {
let mut events = self.events.lock().unwrap();
if let Some(events) = &mut *events {
events.push(event());
}
}
}
impl salsa::ParallelDatabase for TestDB {
fn snapshot(&self) -> salsa::Snapshot<TestDB> {
salsa::Snapshot::new(TestDB {
events: Default::default(),
runtime: self.runtime.snapshot(self),
})
}
}
impl panic::RefUnwindSafe for TestDB {}
impl FileLoader for TestDB {
fn file_text(&self, file_id: FileId) -> Arc<String> {
FileLoaderDelegate(self).file_text(file_id)
}
fn resolve_path(&self, anchor: FileId, path: &str) -> Option<FileId> {
FileLoaderDelegate(self).resolve_path(anchor, path)
}
fn relevant_crates(&self, file_id: FileId) -> Arc<FxHashSet<CrateId>> {
FileLoaderDelegate(self).relevant_crates(file_id)
}
}
impl TestDB {
pub fn module_for_file(&self, file_id: FileId) -> ModuleId {
for &krate in self.relevant_crates(file_id).iter() {
let crate_def_map = self.crate_def_map(krate);
for (local_id, data) in crate_def_map.modules.iter() {
if data.origin.file_id() == Some(file_id) {
return ModuleId { krate, local_id };
}
}
}
panic!("Can't find module for file")
}
fn diag<F: FnMut(&dyn Diagnostic)>(&self, mut cb: F) {
let crate_graph = self.crate_graph();
for krate in crate_graph.iter() {
let crate_def_map = self.crate_def_map(krate);
let mut fns = Vec::new();
for (module_id, _) in crate_def_map.modules.iter() {
for decl in crate_def_map[module_id].scope.declarations() {
if let ModuleDefId::FunctionId(f) = decl {
fns.push(f)
}
}
for impl_id in crate_def_map[module_id].scope.impls() {
let impl_data = self.impl_data(impl_id);
for item in impl_data.items.iter() {
if let AssocItemId::FunctionId(f) = item {
fns.push(*f)
}
}
}
}
for f in fns {
let infer = self.infer(f.into());
let mut sink = DiagnosticSink::new(&mut cb);
infer.add_diagnostics(self, f, &mut sink);
let mut validator = ExprValidator::new(f, infer.clone(), &mut sink);
validator.validate_body(self);
let mut validator = UnsafeValidator::new(f, infer, &mut sink);
validator.validate_body(self);
}
}
}
pub fn diagnostics(&self) -> (String, u32) {
let mut buf = String::new();
let mut count = 0;
self.diag(|d| {
format_to!(buf, "{:?}: {}\n", d.syntax_node(self).text(), d.message());
count += 1;
});
(buf, count)
}
/// Like `diagnostics`, but filtered for a single diagnostic.
pub fn diagnostic<D: Diagnostic>(&self) -> (String, u32) {
let mut buf = String::new();
let mut count = 0;
self.diag(|d| {
// We want to filter diagnostics by the particular one we are testing for, to
// avoid surprising results in tests.
if d.downcast_ref::<D>().is_some() {
format_to!(buf, "{:?}: {}\n", d.syntax_node(self).text(), d.message());
count += 1;
};
});
(buf, count)
}
pub fn all_files(&self) -> Vec<FileId> {
let mut res = Vec::new();
let crate_graph = self.crate_graph();
for krate in crate_graph.iter() {
let crate_def_map = self.crate_def_map(krate);
for (module_id, _) in crate_def_map.modules.iter() {
let file_id = crate_def_map[module_id].origin.file_id();
res.extend(file_id)
}
}
res
}
}
impl TestDB {
pub fn log(&self, f: impl FnOnce()) -> Vec<salsa::Event<TestDB>> {
*self.events.lock().unwrap() = Some(Vec::new());
f();
self.events.lock().unwrap().take().unwrap()
}
pub fn log_executed(&self, f: impl FnOnce()) -> Vec<String> {
let events = self.log(f);
events
.into_iter()
.filter_map(|e| match e.kind {
// This pretty horrible, but `Debug` is the only way to inspect
// QueryDescriptor at the moment.
salsa::EventKind::WillExecute { database_key } => {
Some(format!("{:?}", database_key))
}
_ => None,
})
.collect()
}
}
|
