@ -6,7 +6,7 @@ use futures_util::FutureExt;
use helix_core ::auto_pairs ::AutoPairs ;
use helix_core ::doc_formatter ::TextFormat ;
use helix_core ::syntax ::Highlight ;
use helix_core ::text_annotations ::TextAnnotations ;
use helix_core ::text_annotations ::{ InlineAnnotation , TextAnnotations } ;
use helix_core ::Range ;
use helix_vcs ::{ DiffHandle , DiffProviderRegistry } ;
@ -19,6 +19,7 @@ use std::collections::HashMap;
use std ::fmt ::Display ;
use std ::future ::Future ;
use std ::path ::{ Path , PathBuf } ;
use std ::rc ::Rc ;
use std ::str ::FromStr ;
use std ::sync ::{ Arc , Weak } ;
use std ::time ::SystemTime ;
@ -119,6 +120,14 @@ pub struct Document {
text : Rope ,
selections : HashMap < ViewId , Selection > ,
/// Inlay hints annotations for the document, by view.
///
/// To know if they're up-to-date, check the `id` field in `DocumentInlayHints`.
pub ( crate ) inlay_hints : HashMap < ViewId , DocumentInlayHints > ,
/// Set to `true` when the document is updated, reset to `false` on the next inlay hints
/// update from the LSP
pub inlay_hints_oudated : bool ,
path : Option < PathBuf > ,
encoding : & ' static encoding ::Encoding ,
@ -162,6 +171,73 @@ pub struct Document {
version_control_head : Option < Arc < ArcSwap < Box < str > > > > ,
}
/// Inlay hints for a single `(Document, View)` combo.
///
/// There are `*_inlay_hints` field for each kind of hints an LSP can send since we offer the
/// option to style theme differently in the theme according to the (currently supported) kinds
/// (`type`, `parameter` and the rest).
///
/// Inlay hints are always `InlineAnnotation`s, not overlays or line-ones: LSP may choose to place
/// them anywhere in the text and will sometime offer config options to move them where the user
/// wants them but it shouldn't be Helix who decides that so we use the most precise positioning.
///
/// The padding for inlay hints needs to be stored separately for before and after (the LSP spec
/// uses 'left' and 'right' but not all text is left to right so let's be correct) padding because
/// the 'before' padding must be added to a layer *before* the regular inlay hints and the 'after'
/// padding comes ... after.
#[ derive(Debug, Clone) ]
pub struct DocumentInlayHints {
/// Identifier for the inlay hints stored in this structure. To be checked to know if they have
/// to be recomputed on idle or not.
pub id : DocumentInlayHintsId ,
/// Inlay hints of `TYPE` kind, if any.
pub type_inlay_hints : Rc < [ InlineAnnotation ] > ,
/// Inlay hints of `PARAMETER` kind, if any.
pub parameter_inlay_hints : Rc < [ InlineAnnotation ] > ,
/// Inlay hints that are neither `TYPE` nor `PARAMETER`.
///
/// LSPs are not required to associate a kind to their inlay hints, for example Rust-Analyzer
/// currently never does (February 2023) and the LSP spec may add new kinds in the future that
/// we want to display even if we don't have some special highlighting for them.
pub other_inlay_hints : Rc < [ InlineAnnotation ] > ,
/// Inlay hint padding. When creating the final `TextAnnotations`, the `before` padding must be
/// added first, then the regular inlay hints, then the `after` padding.
pub padding_before_inlay_hints : Rc < [ InlineAnnotation ] > ,
pub padding_after_inlay_hints : Rc < [ InlineAnnotation ] > ,
}
impl DocumentInlayHints {
/// Generate an empty list of inlay hints with the given ID.
pub fn empty_with_id ( id : DocumentInlayHintsId ) -> Self {
Self {
id ,
type_inlay_hints : Rc ::new ( [ ] ) ,
parameter_inlay_hints : Rc ::new ( [ ] ) ,
other_inlay_hints : Rc ::new ( [ ] ) ,
padding_before_inlay_hints : Rc ::new ( [ ] ) ,
padding_after_inlay_hints : Rc ::new ( [ ] ) ,
}
}
}
/// Associated with a [`Document`] and [`ViewId`], uniquely identifies the state of inlay hints for
/// for that document and view: if this changed since the last save, the inlay hints for the view
/// should be recomputed.
///
/// We can't store the `ViewOffset` instead of the first and last asked-for lines because if
/// softwrapping changes, the `ViewOffset` may not change while the displayed lines will.
#[ derive(Copy, Clone, PartialEq, Eq) ]
pub struct DocumentInlayHintsId {
/// First line for which the inlay hints were requested.
pub first_line : usize ,
/// Last line for which the inlay hints were requested.
pub last_line : usize ,
}
use std ::{ fmt , mem } ;
impl fmt ::Debug for Document {
fn fmt ( & self , f : & mut fmt ::Formatter < ' _ > ) -> fmt ::Result {
@ -169,6 +245,8 @@ impl fmt::Debug for Document {
. field ( "id" , & self . id )
. field ( "text" , & self . text )
. field ( "selections" , & self . selections )
. field ( "inlay_hints_oudated" , & self . inlay_hints_oudated )
. field ( "text_annotations" , & self . inlay_hints )
. field ( "path" , & self . path )
. field ( "encoding" , & self . encoding )
. field ( "restore_cursor" , & self . restore_cursor )
@ -187,6 +265,15 @@ impl fmt::Debug for Document {
}
}
impl fmt ::Debug for DocumentInlayHintsId {
fn fmt ( & self , f : & mut fmt ::Formatter < ' _ > ) -> fmt ::Result {
// Much more agreable to read when debugging
f . debug_struct ( "DocumentInlayHintsId" )
. field ( "lines" , & ( self . first_line .. self . last_line ) )
. finish ( )
}
}
// The documentation and implementation of this function should be up-to-date with
// its sibling function, `to_writer()`.
//
@ -389,6 +476,8 @@ impl Document {
encoding ,
text ,
selections : HashMap ::default ( ) ,
inlay_hints : HashMap ::default ( ) ,
inlay_hints_oudated : false ,
indent_style : DEFAULT_INDENT ,
line_ending : DEFAULT_LINE_ENDING ,
restore_cursor : false ,
@ -819,13 +908,16 @@ impl Document {
}
}
/// Remove a view's selection from this document.
/// Remove a view's selection and inlay hints from this document.
pub fn remove_view ( & mut self , view_id : ViewId ) {
self . selections . remove ( & view_id ) ;
self . inlay_hints . remove ( & view_id ) ;
}
/// Apply a [`Transaction`] to the [`Document`] to change its text.
fn apply_impl ( & mut self , transaction : & Transaction , view_id : ViewId ) -> bool {
use helix_core ::Assoc ;
let old_doc = self . text ( ) . clone ( ) ;
let success = transaction . changes ( ) . apply ( & mut self . text ) ;
@ -881,10 +973,10 @@ impl Document {
. unwrap ( ) ;
}
let changes = transaction . changes ( ) ;
// map state.diagnostics over changes::map_pos too
for diagnostic in & mut self . diagnostics {
use helix_core ::Assoc ;
let changes = transaction . changes ( ) ;
diagnostic . range . start = changes . map_pos ( diagnostic . range . start , Assoc ::After ) ;
diagnostic . range . end = changes . map_pos ( diagnostic . range . end , Assoc ::After ) ;
diagnostic . line = self . text . char_to_line ( diagnostic . range . start ) ;
@ -892,13 +984,40 @@ impl Document {
self . diagnostics
. sort_unstable_by_key ( | diagnostic | diagnostic . range ) ;
// Update the inlay hint annotations' positions, helping ensure they are displayed in the proper place
let apply_inlay_hint_changes = | annotations : & mut Rc < [ InlineAnnotation ] > | {
if let Some ( data ) = Rc ::get_mut ( annotations ) {
for inline in data . iter_mut ( ) {
inline . char_idx = changes . map_pos ( inline . char_idx , Assoc ::After ) ;
}
}
} ;
self . inlay_hints_oudated = true ;
for text_annotation in self . inlay_hints . values_mut ( ) {
let DocumentInlayHints {
id : _ ,
type_inlay_hints ,
parameter_inlay_hints ,
other_inlay_hints ,
padding_before_inlay_hints ,
padding_after_inlay_hints ,
} = text_annotation ;
apply_inlay_hint_changes ( padding_before_inlay_hints ) ;
apply_inlay_hint_changes ( type_inlay_hints ) ;
apply_inlay_hint_changes ( parameter_inlay_hints ) ;
apply_inlay_hint_changes ( other_inlay_hints ) ;
apply_inlay_hint_changes ( padding_after_inlay_hints ) ;
}
// emit lsp notification
if let Some ( language_server ) = self . language_server ( ) {
let notify = language_server . text_document_did_change (
self . versioned_identifier ( ) ,
& old_doc ,
self . text ( ) ,
transaction . changes ( ) ,
,
) ;
if let Some ( notify ) = notify {
@ -1217,6 +1336,7 @@ impl Document {
& self . selections [ & view_id ]
}
#[ inline ]
pub fn selections ( & self ) -> & HashMap < ViewId , Selection > {
& self . selections
}
@ -1355,9 +1475,27 @@ impl Document {
}
}
/// Get the text annotations that apply to the whole document, those that do not apply to any
/// specific view.
pub fn text_annotations ( & self , _theme : Option < & Theme > ) -> TextAnnotations {
TextAnnotations ::default ( )
}
/// Set the inlay hints for this document and `view_id`.
pub fn set_inlay_hints ( & mut self , view_id : ViewId , inlay_hints : DocumentInlayHints ) {
self . inlay_hints . insert ( view_id , inlay_hints ) ;
}
/// Get the inlay hints for this document and `view_id`.
pub fn inlay_hints ( & self , view_id : ViewId ) -> Option < & DocumentInlayHints > {
self . inlay_hints . get ( & view_id )
}
/// Completely removes all the inlay hints saved for the document, dropping them to free memory
/// (since it often means inlay hints have been fully deactivated).
pub fn reset_all_inlay_hints ( & mut self ) {
self . inlay_hints = Default ::default ( ) ;
}
}
#[ derive(Clone, Debug) ]
Poliorcetics
2 years ago
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