Method classify_variable

src/semantic_tokens.rs:544–575

Classify a variable as parameter, property, or regular variable.

(
        &self,
        name: &str,
        offset: u32,
        symbol_map: &SymbolMap,
        _uri: &str,
        _ctx: &crate::types::FileContext,
    )

    /// Classify a variable as parameter, property, or regular variable.
    fn classify_variable(
        &self,
        name: &str,
        offset: u32,
        symbol_map: &SymbolMap,
        _uri: &str,
        _ctx: &crate::types::FileContext,
    ) -> (u32, u32) {
        // Check if this is a property declaration.
        if let Some(kind) = symbol_map.var_def_kind_at(name, offset) {
            match kind {
                VarDefKind::Property => return (TT_PROPERTY, TM_DECLARATION),
                VarDefKind::Parameter => return (TT_PARAMETER, 0),
                _ => {}
            }
        }

        // Check if any VarDefSite marks this variable as a parameter
        // in the current scope.
        let scope = symbol_map.find_enclosing_scope(offset);
        for def in &symbol_map.var_defs {
            if def.name == name && def.scope_start == scope {
                match def.kind {
                    VarDefKind::Parameter => return (TT_PARAMETER, 0),
                    VarDefKind::Property => return (TT_PROPERTY, 0),
                    _ => {}
                }
            }
        }

        (TT_VARIABLE, 0)
    }

    /// Check whether a `ClassReference` name is actually a `@template`
    /// parameter that is in scope at the given offset.