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
|
use hir::{
self, Problem, source_binder
};
use ra_ide_api_light::{self, LocalEdit, Severity};
use ra_syntax::{
algo::find_node_at_offset, ast::{self, NameOwner}, AstNode,
SourceFile,
TextRange,
};
use ra_db::SourceDatabase;
use crate::{
db, Diagnostic, FileId, FilePosition, FileSystemEdit,
Query, SourceChange, SourceFileEdit,
symbol_index::FileSymbol,
};
impl db::RootDatabase {
pub(crate) fn find_all_refs(&self, position: FilePosition) -> Vec<(FileId, TextRange)> {
let file = self.parse(position.file_id);
// Find the binding associated with the offset
let (binding, descr) = match find_binding(self, &file, position) {
None => return Vec::new(),
Some(it) => it,
};
let mut ret = binding
.name()
.into_iter()
.map(|name| (position.file_id, name.syntax().range()))
.collect::<Vec<_>>();
ret.extend(
descr
.scopes(self)
.find_all_refs(binding)
.into_iter()
.map(|ref_desc| (position.file_id, ref_desc.range)),
);
return ret;
fn find_binding<'a>(
db: &db::RootDatabase,
source_file: &'a SourceFile,
position: FilePosition,
) -> Option<(&'a ast::BindPat, hir::Function)> {
let syntax = source_file.syntax();
if let Some(binding) = find_node_at_offset::<ast::BindPat>(syntax, position.offset) {
let descr = source_binder::function_from_child_node(
db,
position.file_id,
binding.syntax(),
)?;
return Some((binding, descr));
};
let name_ref = find_node_at_offset::<ast::NameRef>(syntax, position.offset)?;
let descr =
source_binder::function_from_child_node(db, position.file_id, name_ref.syntax())?;
let scope = descr.scopes(db);
let resolved = scope.resolve_local_name(name_ref)?;
let resolved = resolved.ptr().to_node(source_file);
let binding = find_node_at_offset::<ast::BindPat>(syntax, resolved.range().end())?;
Some((binding, descr))
}
}
pub(crate) fn diagnostics(&self, file_id: FileId) -> Vec<Diagnostic> {
let syntax = self.parse(file_id);
let mut res = ra_ide_api_light::diagnostics(&syntax)
.into_iter()
.map(|d| Diagnostic {
range: d.range,
message: d.msg,
severity: d.severity,
fix: d.fix.map(|fix| SourceChange::from_local_edit(file_id, fix)),
})
.collect::<Vec<_>>();
if let Some(m) = source_binder::module_from_file_id(self, file_id) {
for (name_node, problem) in m.problems(self) {
let source_root = self.file_source_root(file_id);
let diag = match problem {
Problem::UnresolvedModule { candidate } => {
let create_file = FileSystemEdit::CreateFile {
source_root,
path: candidate.clone(),
};
let fix = SourceChange {
label: "create module".to_string(),
source_file_edits: Vec::new(),
file_system_edits: vec![create_file],
cursor_position: None,
};
Diagnostic {
range: name_node.range(),
message: "unresolved module".to_string(),
severity: Severity::Error,
fix: Some(fix),
}
}
Problem::NotDirOwner { move_to, candidate } => {
let move_file = FileSystemEdit::MoveFile {
src: file_id,
dst_source_root: source_root,
dst_path: move_to.clone(),
};
let create_file = FileSystemEdit::CreateFile {
source_root,
path: move_to.join(candidate),
};
let fix = SourceChange {
label: "move file and create module".to_string(),
source_file_edits: Vec::new(),
file_system_edits: vec![move_file, create_file],
cursor_position: None,
};
Diagnostic {
range: name_node.range(),
message: "can't declare module at this location".to_string(),
severity: Severity::Error,
fix: Some(fix),
}
}
};
res.push(diag)
}
};
res
}
pub(crate) fn index_resolve(&self, name_ref: &ast::NameRef) -> Vec<FileSymbol> {
let name = name_ref.text();
let mut query = Query::new(name.to_string());
query.exact();
query.limit(4);
crate::symbol_index::world_symbols(self, query)
}
}
impl SourceChange {
pub(crate) fn from_local_edit(file_id: FileId, edit: LocalEdit) -> SourceChange {
let file_edit = SourceFileEdit {
file_id,
edit: edit.edit,
};
SourceChange {
label: edit.label,
source_file_edits: vec![file_edit],
file_system_edits: vec![],
cursor_position: edit
.cursor_position
.map(|offset| FilePosition { offset, file_id }),
}
}
}
|
