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Specify desirable namespace when calling resolve

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That way, we are able to get rid of a number of unreachable statements
This commit is contained in:
Aleksey Kladov 2019-09-12 23:35:53 +03:00
parent 1adf0519bc
commit 51e2d76b98
13 changed files with 542 additions and 472 deletions
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107
crates/ra_ide_api/src/completion/presentation.rs
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@ -1,5 +1,5 @@
//! This modules takes care of rendering various defenitions as completion items.
use hir::{Docs, HasSource, HirDisplay, PerNs, Resolution, Ty, TypeWalk};
//! This modules takes care of rendering various definitions as completion items.
use hir::{Docs, HasSource, HirDisplay, ScopeDef, Ty, TypeWalk};
use join_to_string::join;
use ra_syntax::ast::NameOwner;
use test_utils::tested_by;
@ -39,19 +39,65 @@ impl Completions {
&mut self,
ctx: &CompletionContext,
local_name: String,
resolution: &PerNs<Resolution>,
resolution: &ScopeDef,
) {
use hir::ModuleDef::*;
if let Some(macro_) = resolution.get_macros() {
self.add_macro(ctx, Some(local_name.clone()), macro_);
}
// if let Some(macro_) = resolution.get_macros() {
// self.add_macro(ctx, Some(local_name.clone()), macro_);
// }
let def = resolution.as_ref().take_types().or_else(|| resolution.as_ref().take_values());
let def = match def {
// Only insert once if it is just a macro name
None if resolution.get_macros().is_some() => return,
None => {
// let def = resolution.as_ref().take_types().or_else(|| resolution.as_ref().take_values());
// let def = match def {
// // Only insert once if it is just a macro name
// None if resolution.get_macros().is_some() => return,
// None => {
// self.add(CompletionItem::new(
// CompletionKind::Reference,
// ctx.source_range(),
// local_name,
// ));
// return;
// }
// Some(it) => it,
// };
let mut completion_kind = CompletionKind::Reference;
let (kind, docs) = match resolution {
ScopeDef::ModuleDef(Module(it)) => (CompletionItemKind::Module, it.docs(ctx.db)),
ScopeDef::ModuleDef(Function(func)) => {
return self.add_function_with_name(ctx, Some(local_name), *func);
}
ScopeDef::ModuleDef(Adt(hir::Adt::Struct(it))) => {
(CompletionItemKind::Struct, it.docs(ctx.db))
}
ScopeDef::ModuleDef(Adt(hir::Adt::Union(it))) => {
(CompletionItemKind::Struct, it.docs(ctx.db))
}
ScopeDef::ModuleDef(Adt(hir::Adt::Enum(it))) => {
(CompletionItemKind::Enum, it.docs(ctx.db))
}
ScopeDef::ModuleDef(EnumVariant(it)) => {
(CompletionItemKind::EnumVariant, it.docs(ctx.db))
}
ScopeDef::ModuleDef(Const(it)) => (CompletionItemKind::Const, it.docs(ctx.db)),
ScopeDef::ModuleDef(Static(it)) => (CompletionItemKind::Static, it.docs(ctx.db)),
ScopeDef::ModuleDef(Trait(it)) => (CompletionItemKind::Trait, it.docs(ctx.db)),
ScopeDef::ModuleDef(TypeAlias(it)) => (CompletionItemKind::TypeAlias, it.docs(ctx.db)),
ScopeDef::ModuleDef(BuiltinType(..)) => {
completion_kind = CompletionKind::BuiltinType;
(CompletionItemKind::BuiltinType, None)
}
ScopeDef::GenericParam(..) => (CompletionItemKind::TypeParam, None),
ScopeDef::LocalBinding(..) => (CompletionItemKind::Binding, None),
ScopeDef::SelfType(..) => (
CompletionItemKind::TypeParam, // (does this need its own kind?)
None,
),
ScopeDef::MacroDef(mac) => {
self.add_macro(ctx, Some(local_name.clone()), *mac);
return;
}
ScopeDef::Unknown => {
self.add(CompletionItem::new(
CompletionKind::Reference,
ctx.source_range(),
@ -59,41 +105,11 @@ impl Completions {
));
return;
}
Some(it) => it,
};
let mut completion_kind = CompletionKind::Reference;
let (kind, docs) = match def {
Resolution::Def(Module(it)) => (CompletionItemKind::Module, it.docs(ctx.db)),
Resolution::Def(Function(func)) => {
return self.add_function_with_name(ctx, Some(local_name), *func);
}
Resolution::Def(Adt(hir::Adt::Struct(it))) => {
(CompletionItemKind::Struct, it.docs(ctx.db))
}
Resolution::Def(Adt(hir::Adt::Union(it))) => {
(CompletionItemKind::Struct, it.docs(ctx.db))
}
Resolution::Def(Adt(hir::Adt::Enum(it))) => (CompletionItemKind::Enum, it.docs(ctx.db)),
Resolution::Def(EnumVariant(it)) => (CompletionItemKind::EnumVariant, it.docs(ctx.db)),
Resolution::Def(Const(it)) => (CompletionItemKind::Const, it.docs(ctx.db)),
Resolution::Def(Static(it)) => (CompletionItemKind::Static, it.docs(ctx.db)),
Resolution::Def(Trait(it)) => (CompletionItemKind::Trait, it.docs(ctx.db)),
Resolution::Def(TypeAlias(it)) => (CompletionItemKind::TypeAlias, it.docs(ctx.db)),
Resolution::Def(BuiltinType(..)) => {
completion_kind = CompletionKind::BuiltinType;
(CompletionItemKind::BuiltinType, None)
}
Resolution::GenericParam(..) => (CompletionItemKind::TypeParam, None),
Resolution::LocalBinding(..) => (CompletionItemKind::Binding, None),
Resolution::SelfType(..) => (
CompletionItemKind::TypeParam, // (does this need its own kind?)
None,
),
};
let mut completion_item =
CompletionItem::new(completion_kind, ctx.source_range(), local_name);
if let Resolution::LocalBinding(pat_id) = def {
if let ScopeDef::LocalBinding(pat_id) = resolution {
let ty = ctx
.analyzer
.type_of_pat_by_id(ctx.db, pat_id.clone())
@ -108,7 +124,12 @@ impl Completions {
self.add_function_with_name(ctx, None, func)
}
fn add_macro(&mut self, ctx: &CompletionContext, name: Option<String>, macro_: hir::MacroDef) {
pub(crate) fn add_macro(
&mut self,
ctx: &CompletionContext,
name: Option<String>,
macro_: hir::MacroDef,
) {
let ast_node = macro_.source(ctx.db).ast;
if let Some(name) = name {
let detail = macro_label(&ast_node);