92 lines
3 KiB
Rust
92 lines
3 KiB
Rust
use ra_db::{FileId, LocalSyntaxPtr, Cancelable};
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use ra_syntax::{
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SyntaxNode, AstNode, SmolStr,
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ast
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};
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use hir::{Def, ModuleSource};
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use crate::{
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NavigationTarget,
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FileSymbol,
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db::RootDatabase,
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};
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impl NavigationTarget {
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pub(crate) fn from_symbol(symbol: FileSymbol) -> NavigationTarget {
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NavigationTarget {
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file_id: symbol.file_id,
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name: symbol.name.clone(),
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kind: symbol.ptr.kind(),
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range: symbol.ptr.range(),
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ptr: Some(symbol.ptr.clone()),
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}
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}
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// TODO once Def::Item is gone, this should be able to always return a NavigationTarget
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pub(crate) fn from_def(db: &RootDatabase, def: Def) -> Cancelable<Option<NavigationTarget>> {
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Ok(match def {
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Def::Struct(s) => {
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let (file_id, node) = s.source(db)?;
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Some(NavigationTarget::from_named(
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file_id.original_file(db),
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&*node,
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))
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}
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Def::Enum(e) => {
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let (file_id, node) = e.source(db)?;
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Some(NavigationTarget::from_named(
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file_id.original_file(db),
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&*node,
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))
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}
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Def::EnumVariant(ev) => {
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let (file_id, node) = ev.source(db)?;
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Some(NavigationTarget::from_named(
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file_id.original_file(db),
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&*node,
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))
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}
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Def::Function(f) => {
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let (file_id, node) = f.source(db)?;
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Some(NavigationTarget::from_named(
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file_id.original_file(db),
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&*node,
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))
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}
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Def::Module(m) => {
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let (file_id, source) = m.definition_source(db)?;
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let name = m
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.name(db)?
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.map(|it| it.to_string().into())
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.unwrap_or_else(|| SmolStr::new(""));
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match source {
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ModuleSource::SourceFile(node) => {
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Some(NavigationTarget::from_syntax(file_id, name, node.syntax()))
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}
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ModuleSource::Module(node) => {
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Some(NavigationTarget::from_syntax(file_id, name, node.syntax()))
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}
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}
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}
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Def::Item => None,
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})
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}
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fn from_named(file_id: FileId, node: &impl ast::NameOwner) -> NavigationTarget {
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let name = node
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.name()
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.map(|it| it.text().clone())
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.unwrap_or_else(|| SmolStr::new(""));
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NavigationTarget::from_syntax(file_id, name, node.syntax())
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}
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fn from_syntax(file_id: FileId, name: SmolStr, node: &SyntaxNode) -> NavigationTarget {
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NavigationTarget {
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file_id,
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name,
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kind: node.kind(),
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range: node.range(),
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ptr: Some(LocalSyntaxPtr::new(node)),
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}
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}
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}
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