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This commit is contained in:
ef3d0c3e 2024-10-16 23:42:49 +02:00
parent 1f9044baf6
commit 57da207a81
9 changed files with 411 additions and 176 deletions
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72
src/elements/section.rs
View file

@ -20,6 +20,8 @@ use mlua::Lua;
use regex::Regex;
use section_style::SectionLinkPos;
use section_style::SectionStyle;
use std::cell::RefCell;
use std::cell::RefMut;
use std::ops::Range;
use std::rc::Rc;
use std::sync::Arc;
@ -45,7 +47,12 @@ impl Element for Section {
fn location(&self) -> &Token { &self.location }
fn kind(&self) -> ElemKind { ElemKind::Block }
fn element_name(&self) -> &'static str { "Section" }
fn compile(&self, compiler: &Compiler, _document: &dyn Document, _cursor: usize) -> Result<String, String> {
fn compile(
&self,
compiler: &Compiler,
_document: &dyn Document,
_cursor: usize,
) -> Result<String, String> {
match compiler.target() {
Target::HTML => {
// Section numbering
@ -321,6 +328,28 @@ impl RegexRule for SectionRule {
}),
);
//if let Some(sems) = state.shared.semantics.and_then(|sems| {
// RefMut::filter_map(sems.borrow_mut(), |sems| sems.get_mut(&token.source())).ok()
//})
/*if let Some(sems) = state.shared.semantics
.as_ref()
.and_then(
|sems| sems
.borrow_mut()
.get_mut(&token.source())
.map(|v| v)
)
{
}*/
if let Some(mut sems) = state.shared.semantics.as_ref().map(|sems| {
RefMut::filter_map(sems.borrow_mut(), |sems| sems.get_mut(&token.source()))
.ok()
.unwrap()
}) {
// Do something with mutable value_for_key
sems.add(matches.get(1).unwrap().range(), 0, 0);
}
result
}
@ -330,7 +359,13 @@ impl RegexRule for SectionRule {
bindings.push((
"push".to_string(),
lua.create_function(
|_, (title, depth, kind, reference): (String, usize, Option<String>, Option<String>)| {
|_,
(title, depth, kind, reference): (
String,
usize,
Option<String>,
Option<String>,
)| {
let kind = match kind.as_deref().unwrap_or("") {
"*+" | "+*" => section_kind::NO_NUMBER | section_kind::NO_TOC,
"*" => section_kind::NO_NUMBER,
@ -341,7 +376,9 @@ impl RegexRule for SectionRule {
to: Some("push".to_string()),
pos: 3,
name: Some("kind".to_string()),
cause: Arc::new(mlua::Error::external("Unknown section kind specified".to_string())),
cause: Arc::new(mlua::Error::external(
"Unknown section kind specified".to_string(),
)),
})
}
};
@ -503,7 +540,8 @@ nml.section.push("6", 6, "", "refname")
let state = ParserState::new(&parser, None);
let (_, state) = parser.parse(state, source, None);
let style = state.shared
let style = state
.shared
.styles
.borrow()
.current(section_style::STYLE_KEY)
@ -511,6 +549,30 @@ nml.section.push("6", 6, "", "refname")
.unwrap();
assert_eq!(style.link_pos, SectionLinkPos::None);
assert_eq!(style.link, ["a".to_string(), "b".to_string(), "c".to_string()]);
assert_eq!(
style.link,
["a".to_string(), "b".to_string(), "c".to_string()]
);
}
#[test]
fn semantics()
{
let source = Rc::new(SourceFile::with_content(
"".to_string(),
r#"
# 1
##+ 2
###* 3
####+* 4
#####*+ 5
######{refname} 6
"#
.to_string(),
None,
));
let parser = LangParser::default();
let (_, state) = parser.parse(ParserState::new_with_semantics(&parser, None), source, None);
println!("{:#?}", state.shared.semantics);
}
}

75
src/lsp/parser.rs
View file

@ -1,18 +1,17 @@
use std::{cell::{Ref, RefCell, RefMut}, collections::HashMap, rc::Rc};
use std::rc::Rc;
use crate::{document::{customstyle::{CustomStyle, CustomStyleHolder}, document::Document, element::Element, layout::{LayoutHolder, LayoutType}, style::{ElementStyle, StyleHolder}}, lua::kernel::{Kernel, KernelHolder}, parser::{parser::{Parser, ReportColors}, rule::Rule, source::{Cursor, Source}, state::StateHolder}};
use crate::parser::source::Cursor;
use crate::parser::source::Source;
#[derive(Debug, Clone)]
pub struct LineCursor
{
pub struct LineCursor {
pub pos: usize,
pub line: usize,
pub line_pos: usize,
pub source: Rc<dyn Source>,
}
impl LineCursor
{
impl LineCursor {
/// Creates [`LineCursor`] at position
///
/// # Error
@ -20,63 +19,54 @@ impl LineCursor
///
/// Note: this is a convenience function, it should be used
/// with parsimony as it is expensive
pub fn at(&mut self, pos: usize)
{
if pos > self.pos
{
pub fn at(&mut self, pos: usize) {
if pos > self.pos {
let start = self.pos;
//eprintln!("slice{{{}}}, want={pos}", &self.source.content().as_str()[start..pos]);
let mut it = self.source.content()
.as_str()[start..] // pos+1
eprintln!("slice{{{}}}, want={pos}", &self.source.content().as_str()[start..pos]);
let mut it = self.source.content().as_str()[start..] // pos+1
.chars()
.peekable();
let mut prev = self.source.content()
.as_str()[..start+1]
.chars()
.rev()
.next();
//eprintln!("prev={prev:#?}");
while self.pos < pos
{
let mut prev = self.source.content().as_str()[..start + 1]
.chars()
.rev()
.next();
eprintln!("prev={prev:#?}");
while self.pos < pos {
let c = it.next().unwrap();
let len = c.len_utf8();
self.pos += len;
if prev == Some('\n')
{
if self.pos != 0 && prev == Some('\n') {
self.line += 1;
self.line_pos = 0;
}
else
{
} else {
self.line_pos += len;
}
self.pos += len;
//eprintln!("({}, {c:#?}) ({} {})", self.pos, self.line, self.line_pos);
eprintln!("({}, {c:#?}, {} {}, {prev:#?})", self.pos, self.line, self.line_pos);
prev = Some(c);
}
}
else if pos < self.pos
{
if self.pos != 0 && prev == Some('\n') {
self.line += 1;
self.line_pos = 0;
}
} else if pos < self.pos {
todo!("");
self.source.content()
.as_str()[pos..self.pos]
self.source.content().as_str()[pos..self.pos]
.char_indices()
.rev()
.for_each(|(len, c)| {
self.pos -= len;
if c == '\n'
{
if c == '\n' {
self.line -= 1;
}
});
self.line_pos = self.source.content()
.as_str()[..self.pos]
self.line_pos = self.source.content().as_str()[..self.pos]
.char_indices()
.rev()
.find(|(_, c)| *c == '\n')
.map(|(line_start, _)| self.pos-line_start)
.map(|(line_start, _)| self.pos - line_start)
.unwrap_or(0);
}
@ -85,12 +75,11 @@ impl LineCursor
}
}
impl From<&LineCursor> for Cursor
{
fn from(value: &LineCursor) -> Self {
impl From<&LineCursor> for Cursor {
fn from(value: &LineCursor) -> Self {
Self {
pos: value.pos,
source: value.source.clone()
source: value.source.clone(),
}
}
}
}

122
src/lsp/semantic.rs
View file

@ -1,56 +1,80 @@
use std::any::Any;
use tower_lsp::lsp_types::{SemanticToken, SemanticTokenType};
use tower_lsp::lsp_types::SemanticToken;
use tower_lsp::lsp_types::SemanticTokenType;
use crate::{document::{document::Document, element::Element}, elements::{comment::Comment, paragraph::Paragraph, section::Section}, parser::rule::Rule};
use crate::document::document::Document;
use crate::document::element::Element;
use crate::elements::comment::Comment;
use crate::elements::paragraph::Paragraph;
use crate::elements::section::Section;
use crate::parser::rule::Rule;
use super::parser::LineCursor;
pub trait SemanticProvider: Rule
{
fn get_semantic_tokens(&self, cursor: &LineCursor, match_data: Box<dyn Any>) -> Vec<SemanticToken>;
pub trait SemanticProvider: Rule {
fn get_semantic_tokens(
&self,
cursor: &LineCursor,
match_data: Box<dyn Any>,
) -> Vec<SemanticToken>;
}
pub const LEGEND_TYPE : &[SemanticTokenType] = &[
SemanticTokenType::COMMENT,
SemanticTokenType::VARIABLE,
SemanticTokenType::STRING,
SemanticTokenType::PARAMETER,
pub mod nml_semantic {
use tower_lsp::lsp_types::SemanticTokenType;
pub const SECTION_HEADING: SemanticTokenType = SemanticTokenType::new("type");
pub const SECTION_NAME: SemanticTokenType = SemanticTokenType::new("string");
pub const REFERENCE: SemanticTokenType = SemanticTokenType::new("event");
}
pub const LEGEND_TYPE: &[SemanticTokenType] = &[
SemanticTokenType::COMMENT,
SemanticTokenType::VARIABLE,
SemanticTokenType::STRING,
SemanticTokenType::PARAMETER,
];
// TODO...
pub fn provide(semantic_tokens: &mut Vec<SemanticToken>, cursor: &mut LineCursor, elem: &Box<dyn Element>) {
if cursor.source != elem.location().source() { return }
pub fn provide(
semantic_tokens: &mut Vec<SemanticToken>,
cursor: &mut LineCursor,
elem: &Box<dyn Element>,
) {
if cursor.source != elem.location().source() {
return;
}
let prev = cursor.clone();
if let Some(comm) = elem.downcast_ref::<Comment>()
{
/*if let Some(comm) = elem.downcast_ref::<Comment>() {
cursor.at(elem.location().start());
let delta_start = if cursor.line == prev.line
{
let delta_start = if cursor.line == prev.line {
cursor.line_pos - prev.line_pos
} else if cursor.line == 0 { cursor.line_pos }
else { cursor.line_pos+1 };
} else if cursor.line == 0 {
cursor.line_pos
} else {
cursor.line_pos + 1
};
semantic_tokens.push(SemanticToken {
delta_line: (cursor.line-prev.line) as u32,
delta_line: (cursor.line - prev.line) as u32,
delta_start: delta_start as u32,
length: (elem.location().end() - elem.location().start()) as u32,
token_type: 0,
token_modifiers_bitset: 0,
});
}
else if let Some(sect) = elem.downcast_ref::<Section>()
{
eprintln!("section");
cursor.at(elem.location().start());
let delta_start = if cursor.line == prev.line
{
} else */if let Some(sect) = elem.downcast_ref::<Section>() {
cursor.at(elem.location().start() + 1);
eprintln!("section {cursor:#?}");
let delta_start = if cursor.line == prev.line {
cursor.line_pos - prev.line_pos
} else if cursor.line == 0 { cursor.line_pos }
else { cursor.line_pos+1 };
} else if cursor.line == 0 {
cursor.line_pos
} else {
0
};
semantic_tokens.push(SemanticToken {
delta_line: (cursor.line-prev.line) as u32,
delta_line: (cursor.line - prev.line) as u32,
delta_start: delta_start as u32,
length: (elem.location().end() - elem.location().start()) as u32,
token_type: 0,
@ -59,8 +83,7 @@ pub fn provide(semantic_tokens: &mut Vec<SemanticToken>, cursor: &mut LineCursor
}
}
pub fn semantic_token_from_document(document: &dyn Document) -> Vec<SemanticToken>
{
pub fn semantic_token_from_document(document: &dyn Document) -> Vec<SemanticToken> {
let mut semantic_tokens = vec![];
let source = document.source();
@ -68,11 +91,11 @@ pub fn semantic_token_from_document(document: &dyn Document) -> Vec<SemanticToke
pos: 0,
line: 0,
line_pos: 0,
source: source.clone()
source: source.clone(),
};
/*
semantic_tokens.push(SemanticToken {
delta_line: 1,
delta_line: 2,
delta_start: 1,
length: 5,
token_type: 0,
@ -85,22 +108,23 @@ pub fn semantic_token_from_document(document: &dyn Document) -> Vec<SemanticToke
length: 5,
token_type: 1,
token_modifiers_bitset: 0,
});
});*/
//document.content.borrow()
// .iter()
// .for_each(|elem| {
// if let Some(paragraph) = elem.downcast_ref::<Paragraph>()
// {
// paragraph.content
// .iter()
// .for_each(|elem| provide(&mut semantic_tokens, &mut cursor, elem));
// }
// else
// {
// provide(&mut semantic_tokens, &mut cursor, elem);
// }
// });
document.content().borrow()
.iter()
.for_each(|elem| {
if let Some(container) = elem.as_container()
{
container
.contained()
.iter()
.for_each(|elem| provide(&mut semantic_tokens, &mut cursor, elem));
}
else
{
provide(&mut semantic_tokens, &mut cursor, elem);
}
});
semantic_tokens
}

11
src/parser/langparser.rs
View file

@ -10,6 +10,7 @@ use super::parser::Parser;
use super::parser::ParserState;
use super::parser::ReportColors;
use super::rule::Rule;
use super::semantics::Semantics;
use super::source::Cursor;
use super::source::Source;
use super::source::Token;
@ -59,6 +60,16 @@ impl Parser for LangParser {
) -> (Box<dyn Document<'doc> + 'doc>, ParserState<'p, 'a>) {
let doc = LangDocument::new(source.clone(), parent);
// Insert semantics into state
if let Some(semantics) = state.shared.semantics.as_ref()
{
let mut b = semantics.borrow_mut();
if !b.contains_key(&source)
{
b.insert(source.clone(), Semantics::new(source.clone()));
}
}
let content = source.content();
let mut cursor = Cursor::new(0usize, doc.source()); // Cursor in file

1
src/parser/mod.rs
View file

@ -7,3 +7,4 @@ pub mod util;
pub mod style;
pub mod layout;
pub mod customstyle;
pub mod semantics;

28
src/parser/parser.rs
View file

@ -2,6 +2,7 @@ use ariadne::Label;
use ariadne::Report;
use std::any::Any;
use std::cell::RefCell;
use std::collections::HashMap;
use std::collections::HashSet;
use std::ops::Range;
use std::rc::Rc;
@ -10,6 +11,7 @@ use unicode_segmentation::UnicodeSegmentation;
use super::customstyle::CustomStyleHolder;
use super::layout::LayoutHolder;
use super::rule::Rule;
use super::semantics::Semantics;
use super::source::Cursor;
use super::source::Source;
use super::state::RuleStateHolder;
@ -69,17 +71,21 @@ pub struct SharedState {
/// The custom styles
pub custom_styles: RefCell<CustomStyleHolder>,
/// The semantic map
pub semantics: Option<RefCell<HashMap<Rc<dyn Source>, Semantics>>>,
}
impl SharedState {
/// Construct a new empty shared state
pub(self) fn new(parser: &dyn Parser) -> Self {
pub(self) fn new(parser: &dyn Parser, enable_semantics: bool) -> Self {
let s = Self {
rule_state: RefCell::new(RuleStateHolder::default()),
kernels: RefCell::new(KernelHolder::default()),
styles: RefCell::new(StyleHolder::default()),
layouts: RefCell::new(LayoutHolder::default()),
custom_styles: RefCell::new(CustomStyleHolder::default()),
semantics: enable_semantics.then_some(RefCell::new(HashMap::new())),
};
// Register default kernel
@ -128,7 +134,25 @@ impl<'a, 'b> ParserState<'a, 'b> {
let shared = if let Some(parent) = &parent {
parent.shared.clone()
} else {
Rc::new(SharedState::new(parser))
Rc::new(SharedState::new(parser, false))
};
Self {
parser,
parent,
matches: RefCell::new(matches),
shared,
}
}
/// Constructs a new state with semantics enabled
/// See [`ParserState::new`] for mote information
pub fn new_with_semantics(parser: &'a dyn Parser, parent: Option<&'a ParserState<'a, 'b>>) -> Self {
let matches = parser.rules().iter().map(|_| (0, None)).collect::<Vec<_>>();
let shared = if let Some(parent) = &parent {
parent.shared.clone()
} else {
Rc::new(SharedState::new(parser, true))
};
Self {

48
src/parser/semantics.rs Normal file
View file

@ -0,0 +1,48 @@
use std::{ops::Range, rc::Rc};
use tower_lsp::lsp_types::SemanticToken;
use super::source::{LineCursor, Source};
/// Semantics for a buffer
#[derive(Debug)]
pub struct Semantics
{
/// The current cursor
cursor: LineCursor,
/// Semantic tokens
tokens: Vec<SemanticToken>,
}
impl Semantics
{
pub fn new(source: Rc<dyn Source>) -> Semantics
{
Self {
cursor: LineCursor::new(source),
tokens: vec![]
}
}
pub fn add(&mut self, range: Range<usize>, token_type: u32, token_modifier: u32)
{
let current = self.cursor.clone();
self.cursor.move_to(range.start);
let delta_line = self.cursor.line - current.line;
let delta_start = if delta_line == 0
{
self.cursor.line_pos - current.line_pos
} else { self.cursor.line_pos };
self.tokens.push(SemanticToken{
delta_line: delta_line as u32,
delta_start: delta_start as u32,
length: 10,
token_type,
token_modifiers_bitset: token_modifier,
});
}
}

81
src/parser/source.rs
View file

@ -149,6 +149,87 @@ impl Clone for Cursor {
}
}
/// Cursor type used for the language server
#[derive(Debug, Clone)]
pub struct LineCursor {
pub pos: usize,
pub line: usize,
pub line_pos: usize,
pub source: Rc<dyn Source>,
}
impl LineCursor {
/// Creates a [`LineCursor`] at the begining of the source
pub fn new(source: Rc<dyn Source>) -> LineCursor
{
Self {
pos: 0,
line: 0,
line_pos: 0,
source,
}
}
/// Moves [`LineCursor`] to absolute position
///
/// # Error
/// This function will panic if [`pos`] is not utf8 aligned
pub fn move_to(&mut self, pos: usize) {
if pos > self.pos {
let start = self.pos;
eprintln!("slice{{{}}}, want={pos}", &self.source.content().as_str()[start..pos]);
let mut it = self.source.content().as_str()[start..] // pos+1
.chars()
.peekable();
let mut prev = self.source.content().as_str()[..start + 1]
.chars()
.rev()
.next();
eprintln!("prev={prev:#?}");
while self.pos < pos {
let c = it.next().unwrap();
let len = c.len_utf8();
if self.pos != 0 && prev == Some('\n') {
self.line += 1;
self.line_pos = 0;
} else {
self.line_pos += len;
}
self.pos += len;
eprintln!("({}, {c:#?}, {} {}, {prev:#?})", self.pos, self.line, self.line_pos);
prev = Some(c);
}
if self.pos != 0 && prev == Some('\n') {
self.line += 1;
self.line_pos = 0;
}
} else if pos < self.pos {
todo!("Going back is not supported");
self.source.content().as_str()[pos..self.pos]
.char_indices()
.rev()
.for_each(|(len, c)| {
self.pos -= len;
if c == '\n' {
self.line -= 1;
}
});
self.line_pos = self.source.content().as_str()[..self.pos]
.char_indices()
.rev()
.find(|(_, c)| *c == '\n')
.map(|(line_start, _)| self.pos - line_start)
.unwrap_or(0);
}
// May fail if pos is not utf8-aligned
assert_eq!(pos, self.pos);
}
}
#[derive(Debug, Clone)]
pub struct Token {
pub range: Range<usize>,

147
src/server.rs
View file

@ -1,11 +1,10 @@
#![feature(char_indices_offset)]
mod document;
mod compiler;
mod parser;
mod elements;
mod lua;
mod cache;
mod compiler;
mod document;
mod elements;
mod lsp;
mod lua;
mod parser;
use std::collections::HashMap;
use std::rc::Rc;
@ -14,21 +13,25 @@ use std::sync::Arc;
use dashmap::DashMap;
use document::document::Document;
use document::element::Element;
use lsp::semantic::{semantic_token_from_document, LEGEND_TYPE};
use lsp::semantic::semantic_token_from_document;
use parser::langparser::LangParser;
use parser::parser::Parser;
use parser::parser::ParserState;
use parser::source::SourceFile;
use tower_lsp::jsonrpc::Result;
use tower_lsp::lsp_types::*;
use tower_lsp::{Client, LanguageServer, LspService, Server};
use tower_lsp::Client;
use tower_lsp::LanguageServer;
use tower_lsp::LspService;
use tower_lsp::Server;
#[derive(Debug)]
struct Backend {
client: Client,
client: Client,
document_map: DashMap<String, String>,
//ast_map: DashMap<String, Vec<Box<dyn Element>>>,
//variables: DashMap<String, HashMap<String, Arc<dyn Variable + Send + Sync + 'static>>>,
semantic_token_map: DashMap<String, Vec<SemanticToken>>,
semantic_token_map: DashMap<String, Vec<SemanticToken>>,
}
#[derive(Debug)]
@ -44,27 +47,24 @@ impl Backend {
// TODO: Create a custom parser for the lsp
// Which will require a dyn Document to work
let source = SourceFile::with_content(
params.uri.to_string(),
params.text.clone(),
None);
let source = Rc::new(SourceFile::with_content(params.uri.to_string(), params.text.clone(), None));
let parser = LangParser::default();
let doc = parser.parse(Rc::new(source), None);
let (doc, state) = parser.parse(ParserState::new_with_semantics(&parser, None), source.clone(), None);
//let semantic_tokens = semantic_token_from_document(&doc);
//self.semantic_token_map
// .insert(params.uri.to_string(), semantic_tokens);
self.semantic_token_map
.insert(params.uri.to_string(),
state.shared.semantics.);
}
}
#[tower_lsp::async_trait]
impl LanguageServer for Backend {
async fn initialize(&self, _: InitializeParams) -> Result<InitializeResult> {
async fn initialize(&self, _: InitializeParams) -> Result<InitializeResult> {
Ok(InitializeResult {
server_info: None,
capabilities: ServerCapabilities {
text_document_sync: Some(TextDocumentSyncCapability::Kind(
TextDocumentSyncKind::FULL,
TextDocumentSyncKind::FULL,
)),
completion_provider: Some(CompletionOptions {
resolve_provider: Some(false),
@ -74,44 +74,42 @@ impl LanguageServer for Backend {
completion_item: None,
}),
semantic_tokens_provider: Some(
SemanticTokensServerCapabilities::SemanticTokensRegistrationOptions(
SemanticTokensRegistrationOptions {
text_document_registration_options: {
TextDocumentRegistrationOptions {
document_selector: Some(vec![DocumentFilter {
language: Some("nml".to_string()),
scheme: Some("file".to_string()),
pattern: None,
}]),
}
},
semantic_tokens_options: SemanticTokensOptions {
work_done_progress_options: WorkDoneProgressOptions::default(),
legend: SemanticTokensLegend {
token_types: LEGEND_TYPE.into(),
token_modifiers: vec![],
},
range: None, //Some(true),
full: Some(SemanticTokensFullOptions::Bool(true)),
},
static_registration_options: StaticRegistrationOptions::default(),
},
),
),
SemanticTokensServerCapabilities::SemanticTokensRegistrationOptions(
SemanticTokensRegistrationOptions {
text_document_registration_options: {
TextDocumentRegistrationOptions {
document_selector: Some(vec![DocumentFilter {
language: Some("nml".to_string()),
scheme: Some("file".to_string()),
pattern: None,
}]),
}
},
semantic_tokens_options: SemanticTokensOptions {
work_done_progress_options: WorkDoneProgressOptions::default(),
legend: SemanticTokensLegend {
token_types: lsp::semantic::LEGEND_TYPE.into(),
token_modifiers: vec![],
},
range: None, //Some(true),
full: Some(SemanticTokensFullOptions::Bool(true)),
},
static_registration_options: StaticRegistrationOptions::default(),
},
),
),
..ServerCapabilities::default()
},
})
}
}
async fn initialized(&self, _: InitializedParams) {
self.client
.log_message(MessageType::INFO, "server initialized!")
.await;
}
async fn initialized(&self, _: InitializedParams) {
self.client
.log_message(MessageType::INFO, "server initialized!")
.await;
}
async fn shutdown(&self) -> Result<()> {
Ok(())
}
async fn shutdown(&self) -> Result<()> { Ok(()) }
async fn did_open(&self, params: DidOpenTextDocumentParams) {
self.client
@ -132,16 +130,16 @@ impl LanguageServer for Backend {
.await
}
async fn completion(&self, params: CompletionParams) -> Result<Option<CompletionResponse>> {
let uri = params.text_document_position.text_document.uri;
let position = params.text_document_position.position;
let completions = || -> Option<Vec<CompletionItem>> {
let mut ret = Vec::with_capacity(0);
async fn completion(&self, params: CompletionParams) -> Result<Option<CompletionResponse>> {
let uri = params.text_document_position.text_document.uri;
let position = params.text_document_position.position;
let completions = || -> Option<Vec<CompletionItem>> {
let mut ret = Vec::with_capacity(0);
Some(ret)
}();
Ok(completions.map(CompletionResponse::Array))
}
Some(ret)
}();
Ok(completions.map(CompletionResponse::Array))
}
async fn semantic_tokens_full(
&self,
@ -153,10 +151,9 @@ impl LanguageServer for Backend {
.await;
if let Some(semantic_tokens) = self.semantic_token_map.get(&uri) {
let data = semantic_tokens.iter()
.filter_map(|token| {
Some(token.clone())
})
let data = semantic_tokens
.iter()
.filter_map(|token| Some(token.clone()))
.collect::<Vec<_>>();
return Ok(Some(SemanticTokensResult::Tokens(SemanticTokens {
@ -170,15 +167,13 @@ impl LanguageServer for Backend {
#[tokio::main]
async fn main() {
let stdin = tokio::io::stdin();
let stdout = tokio::io::stdout();
let stdin = tokio::io::stdin();
let stdout = tokio::io::stdout();
let (service, socket) = LspService::new(
|client|
Backend {
client,
document_map: DashMap::new(),
semantic_token_map: DashMap::new(),
});
Server::new(stdin, stdout, socket).serve(service).await;
let (service, socket) = LspService::new(|client| Backend {
client,
document_map: DashMap::new(),
semantic_token_map: DashMap::new(),
});
Server::new(stdin, stdout, socket).serve(service).await;
}