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This commit is contained in:
Jeremy Kolb 2020-02-24 21:17:20 -05:00
parent 9f0cfb7ad2
commit 17ffdf9c27
1 changed files with 8 additions and 0 deletions
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8
crates/rust-analyzer/src/semantic_tokens.rs
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@ -1,3 +1,5 @@
//! Semantic Tokens helpers
use lsp_types::{Range, SemanticToken, SemanticTokenModifier, SemanticTokenType};
const SUPPORTED_TYPES: &[SemanticTokenType] = &[
@ -36,14 +38,19 @@
SemanticTokenModifier::READONLY,
];
/// Token types that the server supports
pub(crate) fn supported_token_types() -> &'static [SemanticTokenType] {
SUPPORTED_TYPES
}
/// Token modifiers that the server supports
pub(crate) fn supported_token_modifiers() -> &'static [SemanticTokenModifier] {
SUPPORTED_MODIFIERS
}
/// Tokens are encoded relative to each other.
///
/// This is a direct port of https://github.com/microsoft/vscode-languageserver-node/blob/f425af9de46a0187adb78ec8a46b9b2ce80c5412/server/src/sematicTokens.proposed.ts#L45
#[derive(Default)]
pub(crate) struct SemanticTokensBuilder {
prev_line: u32,
@ -52,6 +59,7 @@ pub(crate) struct SemanticTokensBuilder {
}
impl SemanticTokensBuilder {
/// Push a new token onto the builder
pub fn push(&mut self, range: Range, token_index: u32, modifier_bitset: u32) {
let mut push_line = range.start.line as u32;
let mut push_char = range.start.character as u32;