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-rw-r--r--helix-core/src/syntax.rs97
1 files changed, 78 insertions, 19 deletions
diff --git a/helix-core/src/syntax.rs b/helix-core/src/syntax.rs
index f45a38cc..a4e6d990 100644
--- a/helix-core/src/syntax.rs
+++ b/helix-core/src/syntax.rs
@@ -16,7 +16,7 @@ use slotmap::{DefaultKey as LayerId, HopSlotMap};
use std::{
borrow::Cow,
cell::RefCell,
- collections::{HashMap, VecDeque},
+ collections::{HashMap, HashSet, VecDeque},
fmt::{self, Display},
hash::{Hash, Hasher},
mem::{replace, transmute},
@@ -26,7 +26,7 @@ use std::{
};
use once_cell::sync::{Lazy, OnceCell};
-use serde::{Deserialize, Serialize};
+use serde::{ser::SerializeSeq, Deserialize, Serialize};
use helix_loader::grammar::{get_language, load_runtime_file};
@@ -110,8 +110,13 @@ pub struct LanguageConfiguration {
#[serde(skip)]
pub(crate) highlight_config: OnceCell<Option<Arc<HighlightConfiguration>>>,
// tags_config OnceCell<> https://github.com/tree-sitter/tree-sitter/pull/583
- #[serde(default, skip_serializing_if = "Vec::is_empty")]
- pub language_servers: Vec<LanguageServerFeatureConfiguration>,
+ #[serde(
+ default,
+ skip_serializing_if = "HashMap::is_empty",
+ serialize_with = "serialize_lang_features",
+ deserialize_with = "deserialize_lang_features"
+ )]
+ pub language_servers: HashMap<String, LanguageServerFeatures>,
#[serde(skip_serializing_if = "Option::is_none")]
pub indent: Option<IndentationConfiguration>,
@@ -211,7 +216,7 @@ impl<'de> Deserialize<'de> for FileType {
}
}
-#[derive(Clone, Copy, Debug, Serialize, Deserialize, PartialEq, Eq)]
+#[derive(Clone, Copy, Debug, Serialize, Deserialize, PartialEq, Eq, Hash)]
#[serde(rename_all = "kebab-case")]
pub enum LanguageServerFeature {
Format,
@@ -261,18 +266,81 @@ impl Display for LanguageServerFeature {
#[derive(Debug, Serialize, Deserialize)]
#[serde(untagged, rename_all = "kebab-case", deny_unknown_fields)]
-pub enum LanguageServerFeatureConfiguration {
+enum LanguageServerFeatureConfiguration {
#[serde(rename_all = "kebab-case")]
Features {
- #[serde(default, skip_serializing_if = "Vec::is_empty")]
- only_features: Vec<LanguageServerFeature>,
- #[serde(default, skip_serializing_if = "Vec::is_empty")]
- except_features: Vec<LanguageServerFeature>,
+ #[serde(default, skip_serializing_if = "HashSet::is_empty")]
+ only_features: HashSet<LanguageServerFeature>,
+ #[serde(default, skip_serializing_if = "HashSet::is_empty")]
+ except_features: HashSet<LanguageServerFeature>,
name: String,
},
Simple(String),
}
+#[derive(Debug, Default)]
+pub struct LanguageServerFeatures {
+ pub only: HashSet<LanguageServerFeature>,
+ pub excluded: HashSet<LanguageServerFeature>,
+}
+
+impl LanguageServerFeatures {
+ pub fn has_feature(&self, feature: LanguageServerFeature) -> bool {
+ self.only.is_empty() || self.only.contains(&feature) && !self.excluded.contains(&feature)
+ }
+}
+
+fn deserialize_lang_features<'de, D>(
+ deserializer: D,
+) -> Result<HashMap<String, LanguageServerFeatures>, D::Error>
+where
+ D: serde::Deserializer<'de>,
+{
+ let raw: Vec<LanguageServerFeatureConfiguration> = Deserialize::deserialize(deserializer)?;
+ let res = raw
+ .into_iter()
+ .map(|config| match config {
+ LanguageServerFeatureConfiguration::Simple(name) => {
+ (name, LanguageServerFeatures::default())
+ }
+ LanguageServerFeatureConfiguration::Features {
+ only_features,
+ except_features,
+ name,
+ } => (
+ name,
+ LanguageServerFeatures {
+ only: only_features,
+ excluded: except_features,
+ },
+ ),
+ })
+ .collect();
+ Ok(res)
+}
+fn serialize_lang_features<S>(
+ map: &HashMap<String, LanguageServerFeatures>,
+ serializer: S,
+) -> Result<S::Ok, S::Error>
+where
+ S: serde::Serializer,
+{
+ let mut serializer = serializer.serialize_seq(Some(map.len()))?;
+ for (name, features) in map {
+ let features = if features.only.is_empty() && features.excluded.is_empty() {
+ LanguageServerFeatureConfiguration::Simple(name.to_owned())
+ } else {
+ LanguageServerFeatureConfiguration::Features {
+ only_features: features.only.clone(),
+ except_features: features.excluded.clone(),
+ name: name.to_owned(),
+ }
+ };
+ serializer.serialize_element(&features)?;
+ }
+ serializer.end()
+}
+
#[derive(Debug, Serialize, Deserialize)]
#[serde(rename_all = "kebab-case")]
pub struct LanguageServerConfiguration {
@@ -650,15 +718,6 @@ pub struct SoftWrap {
pub wrap_at_text_width: Option<bool>,
}
-impl LanguageServerFeatureConfiguration {
- pub fn name(&self) -> &String {
- match self {
- LanguageServerFeatureConfiguration::Simple(name) => name,
- LanguageServerFeatureConfiguration::Features { name, .. } => name,
- }
- }
-}
-
// Expose loader as Lazy<> global since it's always static?
#[derive(Debug)]