From 9cb02fd931f436a7b39c33c752799f5530b8491b Mon Sep 17 00:00:00 2001 From: Aleksey Kladov Date: Sun, 6 Jan 2019 15:16:21 +0300 Subject: kill old module --- crates/ra_hir/src/code_model_api.rs | 13 ++- crates/ra_hir/src/code_model_impl.rs | 74 +++++++-------- crates/ra_hir/src/ids.rs | 10 +- crates/ra_hir/src/impl_block.rs | 24 ++--- crates/ra_hir/src/lib.rs | 2 + crates/ra_hir/src/module.rs | 172 +---------------------------------- crates/ra_hir/src/module/nameres.rs | 4 +- 7 files changed, 66 insertions(+), 233 deletions(-) (limited to 'crates/ra_hir') diff --git a/crates/ra_hir/src/code_model_api.rs b/crates/ra_hir/src/code_model_api.rs index 236cb3ab4..eca7d0225 100644 --- a/crates/ra_hir/src/code_model_api.rs +++ b/crates/ra_hir/src/code_model_api.rs @@ -1,7 +1,6 @@ -use ra_db::{CrateId, Cancelable, FileId}; -use ra_syntax::ast; +use ra_db::{CrateId, Cancelable}; -use crate::{Name, db::HirDatabase, DefId, Path, PerNs}; +use crate::{Name, db::HirDatabase, DefId, Path, PerNs, module::{ModuleSource, ModuleScope}}; /// hir::Crate describes a single crate. It's the main inteface with which /// crate's dependencies interact. Mostly, it should be just a proxy for the @@ -35,7 +34,8 @@ pub struct Module { } impl Module { - pub fn source(&self, db: &impl HirDatabase) -> Cancelable<(FileId, Option)> { + // FIXME: what is a module source exactly? It should contain two nodes + pub fn source(&self, db: &impl HirDatabase) -> Cancelable { Ok(self.source_impl(db)) } @@ -56,7 +56,10 @@ impl Module { pub fn parent(&self, db: &impl HirDatabase) -> Cancelable> { self.parent_impl(db) } - + /// Returns a `ModuleScope`: a set of items, visible in this module. + pub fn scope(&self, db: &impl HirDatabase) -> Cancelable { + self.scope_impl(db) + } pub fn resolve_path(&self, db: &impl HirDatabase, path: &Path) -> Cancelable> { self.resolve_path_impl(db, path) } diff --git a/crates/ra_hir/src/code_model_impl.rs b/crates/ra_hir/src/code_model_impl.rs index 678758956..7f5669c8f 100644 --- a/crates/ra_hir/src/code_model_impl.rs +++ b/crates/ra_hir/src/code_model_impl.rs @@ -1,7 +1,10 @@ -use ra_db::{CrateId, Cancelable, FileId}; -use ra_syntax::{AstNode, ast}; +use ra_db::{CrateId, Cancelable, SourceRootId}; -use crate::{HirFileId, db::HirDatabase, Crate, CrateDependency, AsName, DefId, DefLoc, DefKind, Name, Path, PathKind, PerNs, Def}; +use crate::{ + HirFileId, Crate, CrateDependency, AsName, DefId, DefLoc, DefKind, Name, Path, PathKind, PerNs, Def, ModuleId, + module::{ModuleSource, ModuleScope}, + db::HirDatabase, +}; use crate::code_model_api::Module; @@ -48,21 +51,26 @@ impl Module { pub(crate) fn new(def_id: DefId) -> Self { crate::code_model_api::Module { def_id } } + pub(crate) fn from_module_id( + db: &impl HirDatabase, + source_root_id: SourceRootId, + module_id: ModuleId, + ) -> Cancelable { + let module_tree = db.module_tree(source_root_id)?; + let def_loc = DefLoc { + kind: DefKind::Module, + source_root_id, + module_id, + source_item_id: module_id.source(&module_tree).0, + }; + let def_id = def_loc.id(db); + let module = Module::new(def_id); + Ok(module) + } - pub(crate) fn source_impl(&self, db: &impl HirDatabase) -> (FileId, Option) { + pub(crate) fn source_impl(&self, db: &impl HirDatabase) -> ModuleSource { let loc = self.def_id.loc(db); - let source_item_id = loc.source_item_id; - let module = match source_item_id.item_id { - None => None, - Some(_) => { - let syntax_node = db.file_item(source_item_id); - let module = ast::Module::cast(syntax_node.borrowed()).unwrap().owned(); - Some(module) - } - }; - // FIXME: remove `as_original_file` here - let file_id = source_item_id.file_id.as_original_file(); - (file_id, module) + ModuleSource(loc.source_item_id) } pub(crate) fn krate_impl(&self, db: &impl HirDatabase) -> Cancelable> { @@ -79,41 +87,27 @@ impl Module { let loc = self.def_id.loc(db); let module_tree = db.module_tree(loc.source_root_id)?; let module_id = loc.module_id.crate_root(&module_tree); - let def_loc = DefLoc { - module_id, - source_item_id: module_id.source(&module_tree).0, - ..loc - }; - let def_id = def_loc.id(db); - let module = Module::new(def_id); - Ok(module) + Module::from_module_id(db, loc.source_root_id, module_id) } /// Finds a child module with the specified name. pub fn child_impl(&self, db: &impl HirDatabase, name: &Name) -> Cancelable> { let loc = self.def_id.loc(db); let module_tree = db.module_tree(loc.source_root_id)?; let child_id = ctry!(loc.module_id.child(&module_tree, name)); - let def_loc = DefLoc { - module_id: child_id, - source_item_id: child_id.source(&module_tree).0, - ..loc - }; - let def_id = def_loc.id(db); - let module = Module::new(def_id); - Ok(Some(module)) + Module::from_module_id(db, loc.source_root_id, child_id).map(Some) } pub fn parent_impl(&self, db: &impl HirDatabase) -> Cancelable> { let loc = self.def_id.loc(db); let module_tree = db.module_tree(loc.source_root_id)?; let parent_id = ctry!(loc.module_id.parent(&module_tree)); - let def_loc = DefLoc { - module_id: parent_id, - source_item_id: parent_id.source(&module_tree).0, - ..loc - }; - let def_id = def_loc.id(db); - let module = Module::new(def_id); - Ok(Some(module)) + Module::from_module_id(db, loc.source_root_id, parent_id).map(Some) + } + /// Returns a `ModuleScope`: a set of items, visible in this module. + pub fn scope_impl(&self, db: &impl HirDatabase) -> Cancelable { + let loc = self.def_id.loc(db); + let item_map = db.item_map(loc.source_root_id)?; + let res = item_map.per_module[&loc.module_id].clone(); + Ok(res) } pub fn resolve_path_impl( &self, diff --git a/crates/ra_hir/src/ids.rs b/crates/ra_hir/src/ids.rs index 4d6378e02..c7391ee05 100644 --- a/crates/ra_hir/src/ids.rs +++ b/crates/ra_hir/src/ids.rs @@ -2,7 +2,9 @@ use ra_db::{SourceRootId, LocationIntener, Cancelable, FileId}; use ra_syntax::{SourceFileNode, SyntaxKind, SyntaxNode, SyntaxNodeRef, SourceFile, AstNode, ast}; use ra_arena::{Arena, RawId, impl_arena_id}; -use crate::{HirDatabase, PerNs, ModuleId, Module, Def, Function, Struct, Enum, ImplBlock, Crate}; +use crate::{HirDatabase, PerNs, ModuleId, Def, Function, Struct, Enum, ImplBlock, Crate}; + +use crate::code_model_api::Module; /// hir makes a heavy use of ids: integer (u32) handlers to various things. You /// can think of id as a pointer (but without a lifetime) or a file descriptor @@ -151,7 +153,7 @@ impl DefId { let loc = self.loc(db); let res = match loc.kind { DefKind::Module => { - let module = Module::new(db, loc.source_root_id, loc.module_id)?; + let module = Module::from_module_id(db, loc.source_root_id, loc.module_id)?; Def::Module(module) } DefKind::Function => { @@ -175,12 +177,12 @@ impl DefId { /// For a module, returns that module; for any other def, returns the containing module. pub fn module(self, db: &impl HirDatabase) -> Cancelable { let loc = self.loc(db); - Module::new(db, loc.source_root_id, loc.module_id) + Module::from_module_id(db, loc.source_root_id, loc.module_id) } /// Returns the containing crate. pub fn krate(&self, db: &impl HirDatabase) -> Cancelable> { - Ok(self.module(db)?.krate(db)) + Ok(self.module(db)?.krate(db)?) } /// Returns the containing impl block, if this is an impl item. diff --git a/crates/ra_hir/src/impl_block.rs b/crates/ra_hir/src/impl_block.rs index 01afa84c4..891c93434 100644 --- a/crates/ra_hir/src/impl_block.rs +++ b/crates/ra_hir/src/impl_block.rs @@ -7,12 +7,14 @@ use ra_db::{LocationIntener, Cancelable, SourceRootId}; use crate::{ DefId, DefLoc, DefKind, SourceItemId, SourceFileItems, - Module, Function, + Function, db::HirDatabase, type_ref::TypeRef, module::{ModuleSourceNode, ModuleId}, }; +use crate::code_model_api::Module; + #[derive(Debug, Clone, PartialEq, Eq)] pub struct ImplBlock { module_impl_blocks: Arc, @@ -64,7 +66,7 @@ impl ImplData { ) -> Self { let target_trait = node.target_type().map(TypeRef::from_ast); let target_type = TypeRef::from_ast_opt(node.target_type()); - let file_id = module.source().file_id(); + let module_loc = module.def_id.loc(db); let items = if let Some(item_list) = node.item_list() { item_list .impl_items() @@ -75,14 +77,14 @@ impl ImplData { ast::ImplItem::TypeDef(..) => DefKind::Item, }; let item_id = file_items.id_of_unchecked(item_node.syntax()); + let source_item_id = SourceItemId { + file_id: module_loc.source_item_id.file_id, + item_id: Some(item_id), + }; let def_loc = DefLoc { kind, - source_root_id: module.source_root_id, - module_id: module.module_id, - source_item_id: SourceItemId { - file_id, - item_id: Some(item_id), - }, + source_item_id, + ..module_loc }; let def_id = def_loc.id(db); match item_node { @@ -148,13 +150,13 @@ impl ModuleImplBlocks { } fn collect(&mut self, db: &impl HirDatabase, module: Module) -> Cancelable<()> { - let module_source_node = module.source().resolve(db); + let module_source_node = module.source(db)?.resolve(db); let node = match &module_source_node { ModuleSourceNode::SourceFile(node) => node.borrowed().syntax(), ModuleSourceNode::Module(node) => node.borrowed().syntax(), }; - let source_file_items = db.file_items(module.source().file_id()); + let source_file_items = db.file_items(module.source(db)?.file_id()); for impl_block_ast in node.children().filter_map(ast::ImplBlock::cast) { let impl_block = ImplData::from_ast(db, &source_file_items, &module, impl_block_ast); @@ -174,7 +176,7 @@ pub(crate) fn impls_in_module( module_id: ModuleId, ) -> Cancelable> { let mut result = ModuleImplBlocks::new(); - let module = Module::new(db, source_root_id, module_id)?; + let module = Module::from_module_id(db, source_root_id, module_id)?; result.collect(db, module)?; Ok(Arc::new(result)) } diff --git a/crates/ra_hir/src/lib.rs b/crates/ra_hir/src/lib.rs index 0fe80deb5..2fa357fec 100644 --- a/crates/ra_hir/src/lib.rs +++ b/crates/ra_hir/src/lib.rs @@ -56,6 +56,8 @@ pub use self::{ pub use self::function::FnSignatureInfo; +pub use self::code_model_api::Module; + pub enum Def { Module(Module), Function(Function), diff --git a/crates/ra_hir/src/module.rs b/crates/ra_hir/src/module.rs index 11e3f6782..d1005eab6 100644 --- a/crates/ra_hir/src/module.rs +++ b/crates/ra_hir/src/module.rs @@ -1,7 +1,6 @@ pub(super) mod imp; pub(super) mod nameres; -use std::sync::Arc; use log; use ra_syntax::{ @@ -10,184 +9,15 @@ use ra_syntax::{ SyntaxNode, }; use ra_arena::{Arena, RawId, impl_arena_id}; -use ra_db::{SourceRootId, FileId, Cancelable}; use relative_path::RelativePathBuf; use crate::{ - Def, DefKind, DefLoc, DefId, - Name, Path, PathKind, HirDatabase, SourceItemId, SourceFileItemId, Crate, + Name, HirDatabase, SourceItemId, SourceFileItemId, HirFileId, }; pub use self::nameres::{ModuleScope, Resolution, Namespace, PerNs}; -/// `Module` is API entry point to get all the information -/// about a particular module. -#[derive(Debug, Clone)] -pub struct Module { - tree: Arc, - pub(crate) source_root_id: SourceRootId, - pub(crate) module_id: ModuleId, -} - -impl Module { - pub(super) fn new( - db: &impl HirDatabase, - source_root_id: SourceRootId, - module_id: ModuleId, - ) -> Cancelable { - let module_tree = db.module_tree(source_root_id)?; - let res = Module { - tree: module_tree, - source_root_id, - module_id, - }; - Ok(res) - } - - /// Returns `mod foo;` or `mod foo {}` node whihc declared this module. - /// Returns `None` for the root module - pub fn parent_link_source(&self, db: &impl HirDatabase) -> Option<(FileId, ast::ModuleNode)> { - let link = self.module_id.parent_link(&self.tree)?; - let file_id = link - .owner(&self.tree) - .source(&self.tree) - .file_id() - .as_original_file(); - let src = link.bind_source(&self.tree, db); - Some((file_id, src)) - } - - pub fn file_id(&self) -> FileId { - self.source().file_id().as_original_file() - } - - /// Parent module. Returns `None` if this is a root module. - pub fn parent(&self) -> Option { - let parent_id = self.module_id.parent(&self.tree)?; - Some(Module { - module_id: parent_id, - ..self.clone() - }) - } - - /// Returns an iterator of all children of this module. - pub fn children<'a>(&'a self) -> impl Iterator + 'a { - self.module_id - .children(&self.tree) - .map(move |(name, module_id)| { - ( - name, - Module { - module_id, - ..self.clone() - }, - ) - }) - } - - /// Returns the crate this module is part of. - pub fn krate(&self, db: &impl HirDatabase) -> Option { - let root_id = self.module_id.crate_root(&self.tree); - let file_id = root_id.source(&self.tree).file_id().as_original_file(); - let crate_graph = db.crate_graph(); - let crate_id = crate_graph.crate_id_for_crate_root(file_id)?; - Some(Crate::new(crate_id)) - } - - /// Returns the all modules on the way to the root. - pub fn path_to_root(&self) -> Vec { - generate(Some(self.clone()), move |it| it.parent()).collect::>() - } - - /// The root of the tree this module is part of - pub fn crate_root(&self) -> Module { - let root_id = self.module_id.crate_root(&self.tree); - Module { - module_id: root_id, - ..self.clone() - } - } - - /// `name` is `None` for the crate's root module - pub fn name(&self) -> Option<&Name> { - let link = self.module_id.parent_link(&self.tree)?; - Some(link.name(&self.tree)) - } - - pub fn def_id(&self, db: &impl HirDatabase) -> DefId { - let def_loc = DefLoc { - kind: DefKind::Module, - source_root_id: self.source_root_id, - module_id: self.module_id, - source_item_id: self.module_id.source(&self.tree).0, - }; - def_loc.id(db) - } - - /// Finds a child module with the specified name. - pub fn child(&self, name: &Name) -> Option { - let child_id = self.module_id.child(&self.tree, name)?; - Some(Module { - module_id: child_id, - ..self.clone() - }) - } - - /// Returns a `ModuleScope`: a set of items, visible in this module. - pub fn scope(&self, db: &impl HirDatabase) -> Cancelable { - let item_map = db.item_map(self.source_root_id)?; - let res = item_map.per_module[&self.module_id].clone(); - Ok(res) - } - - pub fn resolve_path(&self, db: &impl HirDatabase, path: &Path) -> Cancelable> { - let mut curr_per_ns = PerNs::types( - match path.kind { - PathKind::Crate => self.crate_root(), - PathKind::Self_ | PathKind::Plain => self.clone(), - PathKind::Super => { - if let Some(p) = self.parent() { - p - } else { - return Ok(PerNs::none()); - } - } - } - .def_id(db), - ); - - let segments = &path.segments; - for name in segments.iter() { - let curr = if let Some(r) = curr_per_ns.as_ref().take(Namespace::Types) { - r - } else { - return Ok(PerNs::none()); - }; - let module = match curr.resolve(db)? { - Def::Module(it) => it, - // TODO here would be the place to handle enum variants... - _ => return Ok(PerNs::none()), - }; - let scope = module.scope(db)?; - curr_per_ns = if let Some(r) = scope.get(&name) { - r.def_id - } else { - return Ok(PerNs::none()); - }; - } - Ok(curr_per_ns) - } - - pub fn problems(&self, db: &impl HirDatabase) -> Vec<(SyntaxNode, Problem)> { - self.module_id.problems(&self.tree, db) - } - - pub(crate) fn source(&self) -> ModuleSource { - self.module_id.source(&self.tree) - } -} - #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)] pub struct ModuleId(RawId); impl_arena_id!(ModuleId); diff --git a/crates/ra_hir/src/module/nameres.rs b/crates/ra_hir/src/module/nameres.rs index dac524384..7d5e86c89 100644 --- a/crates/ra_hir/src/module/nameres.rs +++ b/crates/ra_hir/src/module/nameres.rs @@ -31,7 +31,7 @@ use crate::{ Path, PathKind, HirDatabase, Crate, Name, AsName, - module::{Module, ModuleId, ModuleTree}, + module::{ModuleId, ModuleTree}, }; /// Item map is the result of the name resolution. Item map contains, for each @@ -466,7 +466,7 @@ where if source_root_id == self.source_root { target_module_id } else { - let module = Module::new(self.db, source_root_id, target_module_id)?; + let module = crate::code_model_api::Module::new(type_def_id); let path = Path { segments: import.path.segments[i + 1..].iter().cloned().collect(), kind: PathKind::Crate, -- cgit v1.2.3