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introduce FromSource trait

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This commit is contained in:
Ekaterina Babshukova 2019-09-16 13:48:54 +03:00
parent c35ef7e1ed
commit 2867c40925
13 changed files with 294 additions and 138 deletions
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25
crates/ra_ide_api/src/impls.rs
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@ -1,4 +1,4 @@
use hir::{db::HirDatabase, source_binder, ApplicationTy, Ty, TypeCtor};
use hir::{db::HirDatabase, ApplicationTy, FromSource, Ty, TypeCtor};
use ra_db::SourceDatabase;
use ra_syntax::{algo::find_node_at_offset, ast, AstNode};
@ -11,17 +11,21 @@ pub(crate) fn goto_implementation(
let parse = db.parse(position.file_id);
let syntax = parse.tree().syntax().clone();
let module = source_binder::module_from_position(db, position)?;
let src = hir::ModuleSource::from_position(db, position);
let module = hir::Module::from_definition(
db,
hir::Source { file_id: position.file_id.into(), ast: src },
)?;
if let Some(nominal_def) = find_node_at_offset::<ast::NominalDef>(&syntax, position.offset) {
return Some(RangeInfo::new(
nominal_def.syntax().text_range(),
impls_for_def(db, &nominal_def, module)?,
impls_for_def(db, position, &nominal_def, module)?,
));
} else if let Some(trait_def) = find_node_at_offset::<ast::TraitDef>(&syntax, position.offset) {
return Some(RangeInfo::new(
trait_def.syntax().text_range(),
impls_for_trait(db, &trait_def, module)?,
impls_for_trait(db, position, &trait_def, module)?,
));
}
@ -30,14 +34,19 @@ pub(crate) fn goto_implementation(
fn impls_for_def(
db: &RootDatabase,
position: FilePosition,
node: &ast::NominalDef,
module: hir::Module,
) -> Option<Vec<NavigationTarget>> {
let ty = match node {
ast::NominalDef::StructDef(def) => {
source_binder::struct_from_module(db, module, &def).ty(db)
let src = hir::Source { file_id: position.file_id.into(), ast: def.clone() };
hir::Struct::from_source(db, src)?.ty(db)
}
ast::NominalDef::EnumDef(def) => {
let src = hir::Source { file_id: position.file_id.into(), ast: def.clone() };
hir::Enum::from_source(db, src)?.ty(db)
}
ast::NominalDef::EnumDef(def) => source_binder::enum_from_module(db, module, &def).ty(db),
};
let krate = module.krate(db)?;
@ -54,10 +63,12 @@ fn impls_for_def(
fn impls_for_trait(
db: &RootDatabase,
position: FilePosition,
node: &ast::TraitDef,
module: hir::Module,
) -> Option<Vec<NavigationTarget>> {
let tr = source_binder::trait_from_module(db, module, node);
let src = hir::Source { file_id: position.file_id.into(), ast: node.clone() };
let tr = hir::Trait::from_source(db, src)?;
let krate = module.krate(db)?;
let impls = db.impls_in_crate(krate);