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Add semantic tag for unresolved references

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This is a quick way to implement unresolved reference diagnostics.
For example, adding to VS Code config

    "editor.tokenColorCustomizationsExperimental": {
        "unresolvedReference": "#FF0000"
    },

will highlight all unresolved refs in red.
This commit is contained in:
Aleksey Kladov
2020-04-18 20:59:22 +02:00
parent 9b16ae5149
commit ca61356b01
7 changed files with 34 additions and 21 deletions
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5
crates/rust-analyzer/src/conv.rs
View File

@@ -24,7 +24,9 @@ use crate::{
world::WorldSnapshot,
Result,
};
use semantic_tokens::{ATTRIBUTE, BUILTIN_TYPE, ENUM_MEMBER, LIFETIME, TYPE_ALIAS, UNION};
use semantic_tokens::{
ATTRIBUTE, BUILTIN_TYPE, ENUM_MEMBER, LIFETIME, TYPE_ALIAS, UNION, UNRESOLVED_REFERENCE,
};
pub trait Conv {
type Output;
@@ -373,6 +375,7 @@ impl Conv for Highlight {
HighlightTag::Comment => SemanticTokenType::COMMENT,
HighlightTag::Attribute => ATTRIBUTE,
HighlightTag::Keyword => SemanticTokenType::KEYWORD,
HighlightTag::UnresolvedReference => UNRESOLVED_REFERENCE,
};
for modifier in self.modifiers.iter() {

3
crates/rust-analyzer/src/semantic_tokens.rs
View File

@@ -10,6 +10,8 @@ pub(crate) const ENUM_MEMBER: SemanticTokenType = SemanticTokenType::new("enumMe
pub(crate) const LIFETIME: SemanticTokenType = SemanticTokenType::new("lifetime");
pub(crate) const TYPE_ALIAS: SemanticTokenType = SemanticTokenType::new("typeAlias");
pub(crate) const UNION: SemanticTokenType = SemanticTokenType::new("union");
pub(crate) const UNRESOLVED_REFERENCE: SemanticTokenType =
SemanticTokenType::new("unresolvedReference");
pub(crate) const CONSTANT: SemanticTokenModifier = SemanticTokenModifier::new("constant");
pub(crate) const CONTROL_FLOW: SemanticTokenModifier = SemanticTokenModifier::new("controlFlow");
@@ -43,6 +45,7 @@ pub(crate) const SUPPORTED_TYPES: &[SemanticTokenType] = &[
LIFETIME,
TYPE_ALIAS,
UNION,
UNRESOLVED_REFERENCE,
];
pub(crate) const SUPPORTED_MODIFIERS: &[SemanticTokenModifier] = &[