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Add a command to open docs for the symbol under the cursor #5917

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merged 17 commits into from Oct 12, 2020
Merged

Add a command to open docs for the symbol under the cursor #5917

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bfda0d2
WIP: Command to open docs under cursor
zacps Aug 30, 2020
a06d736
Add support for struct & trait methods
zacps Aug 31, 2020
8c32bde
Rename ide::link_rewrite -> ide::doc_links & tidy imports
zacps Aug 31, 2020
a14194b
Changes from review
zacps Aug 31, 2020
974518f
Code reorganisation and field support
zacps Sep 1, 2020
62b76e7
Document the protocol extension
zacps Sep 1, 2020
c648884
Differentiate method/tymethod by determining 'defaultness'
zacps Sep 3, 2020
26086fa
Change Option::Some bug to a fixme note
zacps Sep 3, 2020
f1decfc
Fix send->sent typo
zacps Sep 3, 2020
ec75d8b
Update tests for new function field
zacps Sep 3, 2020
37a4d06
Add tests
zacps Sep 3, 2020
6cae6b8
Fix namespace detection & function test
zacps Sep 5, 2020
f6759ba
Add ignored test to demonstrate ImportMap bug
zacps Sep 5, 2020
e4a787f
Remove outdated part of doc_links module docs
zacps Sep 5, 2020
d2c6880
Changes from review
zacps Oct 8, 2020
8af1dd7
Rebase fixes
zacps Oct 8, 2020
3bd4fe9
Remove methodowner & fix formatting
zacps Oct 8, 2020
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17 changes: 17 additions & 0 deletions crates/hir/src/code_model.rs
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Expand Up @@ -186,6 +186,16 @@ impl_from!(
for ModuleDef
);

impl From<VariantDef> for ModuleDef {
fn from(var: VariantDef) -> Self {
match var {
VariantDef::Struct(t) => Adt::from(t).into(),
VariantDef::Union(t) => Adt::from(t).into(),
VariantDef::EnumVariant(t) => t.into(),
}
}
}

impl ModuleDef {
pub fn module(self, db: &dyn HirDatabase) -> Option<Module> {
match self {
Expand Down Expand Up @@ -752,6 +762,13 @@ impl Function {
pub fn diagnostics(self, db: &dyn HirDatabase, sink: &mut DiagnosticSink) {
hir_ty::diagnostics::validate_body(db, self.id.into(), sink)
}

/// Whether this function declaration has a definition.
///
/// This is false in the case of required (not provided) trait methods.
pub fn has_body(self, db: &dyn HirDatabase) -> bool {
db.function_data(self.id).has_body
}
}

// Note: logically, this belongs to `hir_ty`, but we are not using it there yet.
Expand Down
2 changes: 2 additions & 0 deletions crates/hir_def/src/data.rs
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Expand Up @@ -25,6 +25,7 @@ pub struct FunctionData {
/// True if the first param is `self`. This is relevant to decide whether this
/// can be called as a method.
pub has_self_param: bool,
pub has_body: bool,
pub is_unsafe: bool,
pub is_varargs: bool,
pub visibility: RawVisibility,
Expand All @@ -42,6 +43,7 @@ impl FunctionData {
ret_type: func.ret_type.clone(),
attrs: item_tree.attrs(ModItem::from(loc.id.value).into()).clone(),
has_self_param: func.has_self_param,
has_body: func.has_body,
is_unsafe: func.is_unsafe,
is_varargs: func.is_varargs,
visibility: item_tree[func.visibility].clone(),
Expand Down
1 change: 1 addition & 0 deletions crates/hir_def/src/item_tree.rs
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Expand Up @@ -505,6 +505,7 @@ pub struct Function {
pub visibility: RawVisibilityId,
pub generic_params: GenericParamsId,
pub has_self_param: bool,
pub has_body: bool,
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pub is_unsafe: bool,
pub params: Box<[TypeRef]>,
pub is_varargs: bool,
Expand Down
3 changes: 3 additions & 0 deletions crates/hir_def/src/item_tree/lower.rs
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Expand Up @@ -330,12 +330,15 @@ impl Ctx {
ret_type
};

let has_body = func.body().is_some();

let ast_id = self.source_ast_id_map.ast_id(func);
let mut res = Function {
name,
visibility,
generic_params: GenericParamsId::EMPTY,
has_self_param,
has_body,
is_unsafe: func.unsafe_token().is_some(),
params: params.into_boxed_slice(),
is_varargs,
Expand Down
24 changes: 12 additions & 12 deletions crates/hir_def/src/item_tree/tests.rs
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Expand Up @@ -240,9 +240,9 @@ fn smoke() {
> #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_const"))] }, input: None }]) }]
> Const { name: Some(Name(Text("CONST"))), visibility: RawVisibilityId("pub(self)"), type_ref: Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("u8"))] }, generic_args: [None] }), ast_id: FileAstId::<syntax::ast::generated::nodes::Const>(9) }
> #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_method"))] }, input: None }]) }]
> Function { name: Name(Text("method")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: true, is_unsafe: false, params: [Reference(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Self"))] }, generic_args: [None] }), Shared)], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(10) }
> Function { name: Name(Text("method")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: true, has_body: false, is_unsafe: false, params: [Reference(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Self"))] }, generic_args: [None] }), Shared)], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(10) }
> #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_dfl_method"))] }, input: None }]) }]
> Function { name: Name(Text("dfl_method")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: true, is_unsafe: false, params: [Reference(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Self"))] }, generic_args: [None] }), Mut)], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(11) }
> Function { name: Name(Text("dfl_method")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: true, has_body: true, is_unsafe: false, params: [Reference(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Self"))] }, generic_args: [None] }), Mut)], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(11) }
#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("struct0"))] }, input: None }]) }]
Struct { name: Name(Text("Struct0")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(1), fields: Unit, ast_id: FileAstId::<syntax::ast::generated::nodes::Struct>(3), kind: Unit }
#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("struct1"))] }, input: None }]) }]
Expand Down Expand Up @@ -275,12 +275,12 @@ fn simple_inner_items() {

top-level items:
Impl { generic_params: GenericParamsId(0), target_trait: Some(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("D"))] }, generic_args: [None] })), target_type: Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Response"))] }, generic_args: [Some(GenericArgs { args: [Type(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("T"))] }, generic_args: [None] }))], has_self_type: false, bindings: [] })] }), is_negative: false, items: [Function(Idx::<Function>(1))], ast_id: FileAstId::<syntax::ast::generated::nodes::Impl>(0) }
> Function { name: Name(Text("foo")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(1) }
> Function { name: Name(Text("foo")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(1) }

inner items:

for AST FileAstId::<syntax::ast::generated::nodes::Item>(2):
Function { name: Name(Text("end")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(1), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(2) }
Function { name: Name(Text("end")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(1), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(2) }

"#]],
);
Expand All @@ -303,9 +303,9 @@ fn extern_attrs() {

top-level items:
#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_a"))] }, input: None }, Attr { path: ModPath { kind: Plain, segments: [Name(Text("block_attr"))] }, input: None }]) }]
Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: true, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(1) }
Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: true, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(1) }
#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_b"))] }, input: None }, Attr { path: ModPath { kind: Plain, segments: [Name(Text("block_attr"))] }, input: None }]) }]
Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: true, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(2) }
Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: true, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(2) }
"##]],
);
}
Expand All @@ -329,9 +329,9 @@ fn trait_attrs() {
#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("trait_attr"))] }, input: None }]) }]
Trait { name: Name(Text("Tr")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(0), auto: false, items: [Function(Idx::<Function>(0)), Function(Idx::<Function>(1))], ast_id: FileAstId::<syntax::ast::generated::nodes::Trait>(0) }
> #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_a"))] }, input: None }]) }]
> Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(1) }
> Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(1) }
> #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_b"))] }, input: None }]) }]
> Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(2) }
> Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(2) }
"##]],
);
}
Expand All @@ -355,9 +355,9 @@ fn impl_attrs() {
#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("impl_attr"))] }, input: None }]) }]
Impl { generic_params: GenericParamsId(4294967295), target_trait: None, target_type: Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Ty"))] }, generic_args: [None] }), is_negative: false, items: [Function(Idx::<Function>(0)), Function(Idx::<Function>(1))], ast_id: FileAstId::<syntax::ast::generated::nodes::Impl>(0) }
> #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_a"))] }, input: None }]) }]
> Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(1) }
> Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(1) }
> #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_b"))] }, input: None }]) }]
> Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(2) }
> Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(2) }
"##]],
);
}
Expand Down Expand Up @@ -408,13 +408,13 @@ fn inner_item_attrs() {
inner attrs: Attrs { entries: None }

top-level items:
Function { name: Name(Text("foo")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(0) }
Function { name: Name(Text("foo")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(0) }

inner items:

for AST FileAstId::<syntax::ast::generated::nodes::Item>(1):
#[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("on_inner"))] }, input: None }]) }]
Function { name: Name(Text("inner")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(1) }
Function { name: Name(Text("inner")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, has_body: true, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<syntax::ast::generated::nodes::Fn>(1) }

"##]],
);
Expand Down