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extern crate parking_lot;
#[macro_use]
extern crate log;
extern crate once_cell;
extern crate libsyntax2;
extern crate libeditor;
extern crate fst;
extern crate rayon;
extern crate relative_path;
#[macro_use]
extern crate crossbeam_channel;
mod symbol_index;
mod module_map;
mod imp;
mod job;
use std::sync::Arc;
use relative_path::{RelativePath, RelativePathBuf};
use libsyntax2::{File, TextRange, TextUnit, AtomEdit};
use imp::{AnalysisImpl, AnalysisHostImpl};
pub use libeditor::{
StructureNode, LineIndex, FileSymbol,
Runnable, RunnableKind, HighlightedRange, CompletionItem,
};
pub use job::{JobToken, JobHandle};
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct FileId(pub u32);
pub trait FileResolver: Send + Sync + 'static {
fn file_stem(&self, id: FileId) -> String;
fn resolve(&self, id: FileId, path: &RelativePath) -> Option<FileId>;
}
#[derive(Debug)]
pub struct AnalysisHost {
imp: AnalysisHostImpl
}
impl AnalysisHost {
pub fn new() -> AnalysisHost {
AnalysisHost { imp: AnalysisHostImpl::new() }
}
pub fn analysis(&self, file_resolver: impl FileResolver) -> Analysis {
Analysis { imp: self.imp.analysis(Arc::new(file_resolver)) }
}
pub fn change_file(&mut self, file_id: FileId, text: Option<String>) {
self.change_files(::std::iter::once((file_id, text)));
}
pub fn change_files(&mut self, mut changes: impl Iterator<Item=(FileId, Option<String>)>) {
self.imp.change_files(&mut changes)
}
}
#[derive(Debug)]
pub struct SourceChange {
pub label: String,
pub source_file_edits: Vec<SourceFileEdit>,
pub file_system_edits: Vec<FileSystemEdit>,
pub cursor_position: Option<Position>,
}
#[derive(Debug)]
pub struct Position {
pub file_id: FileId,
pub offset: TextUnit,
}
#[derive(Debug)]
pub struct SourceFileEdit {
pub file_id: FileId,
pub edits: Vec<AtomEdit>,
}
#[derive(Debug)]
pub enum FileSystemEdit {
CreateFile {
anchor: FileId,
path: RelativePathBuf,
},
MoveFile {
file: FileId,
path: RelativePathBuf,
}
}
#[derive(Debug)]
pub struct Diagnostic {
pub message: String,
pub range: TextRange,
pub fix: Option<SourceChange>,
}
#[derive(Debug)]
pub struct Query {
query: String,
lowercased: String,
only_types: bool,
exact: bool,
limit: usize,
}
impl Query {
pub fn new(query: String) -> Query {
let lowercased = query.to_lowercase();
Query {
query,
lowercased,
only_types: false,
exact: false,
limit: usize::max_value()
}
}
pub fn only_types(&mut self) {
self.only_types = true;
}
pub fn exact(&mut self) {
self.exact = true;
}
pub fn limit(&mut self, limit: usize) {
self.limit = limit
}
}
#[derive(Clone, Debug)]
pub struct Analysis {
imp: AnalysisImpl
}
impl Analysis {
pub fn file_syntax(&self, file_id: FileId) -> File {
self.imp.file_syntax(file_id)
}
pub fn file_line_index(&self, file_id: FileId) -> LineIndex {
self.imp.file_line_index(file_id)
}
pub fn extend_selection(&self, file: &File, range: TextRange) -> TextRange {
libeditor::extend_selection(file, range).unwrap_or(range)
}
pub fn matching_brace(&self, file: &File, offset: TextUnit) -> Option<TextUnit> {
libeditor::matching_brace(file, offset)
}
pub fn syntax_tree(&self, file_id: FileId) -> String {
let file = self.file_syntax(file_id);
libeditor::syntax_tree(&file)
}
pub fn join_lines(&self, file_id: FileId, range: TextRange) -> SourceChange {
let file = self.file_syntax(file_id);
SourceChange::from_local_edit(file_id, "join lines", libeditor::join_lines(&file, range))
}
pub fn on_eq_typed(&self, file_id: FileId, offset: TextUnit) -> Option<SourceChange> {
let file = self.file_syntax(file_id);
Some(SourceChange::from_local_edit(file_id, "add semicolon", libeditor::on_eq_typed(&file, offset)?))
}
pub fn file_structure(&self, file_id: FileId) -> Vec<StructureNode> {
let file = self.file_syntax(file_id);
libeditor::file_structure(&file)
}
pub fn symbol_search(&self, query: Query, token: &JobToken) -> Vec<(FileId, FileSymbol)> {
self.imp.world_symbols(query, token)
}
pub fn approximately_resolve_symbol(&self, file_id: FileId, offset: TextUnit, token: &JobToken) -> Vec<(FileId, FileSymbol)> {
self.imp.approximately_resolve_symbol(file_id, offset, token)
}
pub fn parent_module(&self, file_id: FileId) -> Vec<(FileId, FileSymbol)> {
self.imp.parent_module(file_id)
}
pub fn runnables(&self, file_id: FileId) -> Vec<Runnable> {
let file = self.file_syntax(file_id);
libeditor::runnables(&file)
}
pub fn highlight(&self, file_id: FileId) -> Vec<HighlightedRange> {
let file = self.file_syntax(file_id);
libeditor::highlight(&file)
}
pub fn completions(&self, file_id: FileId, offset: TextUnit) -> Option<Vec<CompletionItem>> {
let file = self.file_syntax(file_id);
libeditor::scope_completion(&file, offset)
}
pub fn assists(&self, file_id: FileId, offset: TextUnit) -> Vec<SourceChange> {
self.imp.assists(file_id, offset)
}
pub fn diagnostics(&self, file_id: FileId) -> Vec<Diagnostic> {
self.imp.diagnostics(file_id)
}
}
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