mirror of
https://github.com/rust-lang/rust-analyzer
synced 2024-11-15 01:17:27 +00:00
Move doc comment handling into ide-db
This commit is contained in:
parent
0bf0563a00
commit
b1575528c0
26 changed files with 342 additions and 266 deletions
|
@ -14,12 +14,11 @@ use hir_expand::{
|
|||
attrs::{collect_attrs, Attr, AttrId, RawAttrs},
|
||||
HirFileId, InFile,
|
||||
};
|
||||
use itertools::Itertools;
|
||||
use la_arena::{ArenaMap, Idx, RawIdx};
|
||||
use mbe::DelimiterKind;
|
||||
use syntax::{
|
||||
ast::{self, HasAttrs, IsString},
|
||||
AstPtr, AstToken, SmolStr, TextRange, TextSize,
|
||||
ast::{self, HasAttrs},
|
||||
AstPtr, SmolStr,
|
||||
};
|
||||
use triomphe::Arc;
|
||||
|
||||
|
@ -33,26 +32,6 @@ use crate::{
|
|||
LocalFieldId, Lookup, MacroId, VariantId,
|
||||
};
|
||||
|
||||
/// Holds documentation
|
||||
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
|
||||
pub struct Documentation(String);
|
||||
|
||||
impl Documentation {
|
||||
pub fn new(s: String) -> Self {
|
||||
Documentation(s)
|
||||
}
|
||||
|
||||
pub fn as_str(&self) -> &str {
|
||||
&self.0
|
||||
}
|
||||
}
|
||||
|
||||
impl From<Documentation> for String {
|
||||
fn from(Documentation(string): Documentation) -> Self {
|
||||
string
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Default, Debug, Clone, PartialEq, Eq)]
|
||||
pub struct Attrs(RawAttrs);
|
||||
|
||||
|
@ -221,33 +200,6 @@ impl Attrs {
|
|||
self.by_key("lang").string_value().and_then(|it| LangItem::from_str(it))
|
||||
}
|
||||
|
||||
pub fn docs(&self) -> Option<Documentation> {
|
||||
let docs = self.by_key("doc").attrs().filter_map(|attr| attr.string_value());
|
||||
let indent = doc_indent(self);
|
||||
let mut buf = String::new();
|
||||
for doc in docs {
|
||||
// str::lines doesn't yield anything for the empty string
|
||||
if !doc.is_empty() {
|
||||
buf.extend(Itertools::intersperse(
|
||||
doc.lines().map(|line| {
|
||||
line.char_indices()
|
||||
.nth(indent)
|
||||
.map_or(line, |(offset, _)| &line[offset..])
|
||||
.trim_end()
|
||||
}),
|
||||
"\n",
|
||||
));
|
||||
}
|
||||
buf.push('\n');
|
||||
}
|
||||
buf.pop();
|
||||
if buf.is_empty() {
|
||||
None
|
||||
} else {
|
||||
Some(Documentation(buf))
|
||||
}
|
||||
}
|
||||
|
||||
pub fn has_doc_hidden(&self) -> bool {
|
||||
self.by_key("doc").tt_values().any(|tt| {
|
||||
tt.delimiter.kind == DelimiterKind::Parenthesis &&
|
||||
|
@ -574,62 +526,6 @@ impl AttrsWithOwner {
|
|||
|
||||
AttrSourceMap::new(owner.as_ref().map(|node| node as &dyn HasAttrs))
|
||||
}
|
||||
|
||||
pub fn docs_with_rangemap(
|
||||
&self,
|
||||
db: &dyn DefDatabase,
|
||||
) -> Option<(Documentation, DocsRangeMap)> {
|
||||
let docs =
|
||||
self.by_key("doc").attrs().filter_map(|attr| attr.string_value().map(|s| (s, attr.id)));
|
||||
let indent = doc_indent(self);
|
||||
let mut buf = String::new();
|
||||
let mut mapping = Vec::new();
|
||||
for (doc, idx) in docs {
|
||||
if !doc.is_empty() {
|
||||
let mut base_offset = 0;
|
||||
for raw_line in doc.split('\n') {
|
||||
let line = raw_line.trim_end();
|
||||
let line_len = line.len();
|
||||
let (offset, line) = match line.char_indices().nth(indent) {
|
||||
Some((offset, _)) => (offset, &line[offset..]),
|
||||
None => (0, line),
|
||||
};
|
||||
let buf_offset = buf.len();
|
||||
buf.push_str(line);
|
||||
mapping.push((
|
||||
TextRange::new(buf_offset.try_into().ok()?, buf.len().try_into().ok()?),
|
||||
idx,
|
||||
TextRange::at(
|
||||
(base_offset + offset).try_into().ok()?,
|
||||
line_len.try_into().ok()?,
|
||||
),
|
||||
));
|
||||
buf.push('\n');
|
||||
base_offset += raw_line.len() + 1;
|
||||
}
|
||||
} else {
|
||||
buf.push('\n');
|
||||
}
|
||||
}
|
||||
buf.pop();
|
||||
if buf.is_empty() {
|
||||
None
|
||||
} else {
|
||||
Some((Documentation(buf), DocsRangeMap { mapping, source_map: self.source_map(db) }))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn doc_indent(attrs: &Attrs) -> usize {
|
||||
attrs
|
||||
.by_key("doc")
|
||||
.attrs()
|
||||
.filter_map(|attr| attr.string_value())
|
||||
.flat_map(|s| s.lines())
|
||||
.filter(|line| !line.chars().all(|c| c.is_whitespace()))
|
||||
.map(|line| line.chars().take_while(|c| c.is_whitespace()).count())
|
||||
.min()
|
||||
.unwrap_or(0)
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
|
@ -673,7 +569,7 @@ impl AttrSourceMap {
|
|||
self.source_of_id(attr.id)
|
||||
}
|
||||
|
||||
fn source_of_id(&self, id: AttrId) -> InFile<&Either<ast::Attr, ast::Comment>> {
|
||||
pub fn source_of_id(&self, id: AttrId) -> InFile<&Either<ast::Attr, ast::Comment>> {
|
||||
let ast_idx = id.ast_index();
|
||||
let file_id = match self.mod_def_site_file_id {
|
||||
Some((file_id, def_site_cut)) if def_site_cut <= ast_idx => file_id,
|
||||
|
@ -687,69 +583,6 @@ impl AttrSourceMap {
|
|||
}
|
||||
}
|
||||
|
||||
/// A struct to map text ranges from [`Documentation`] back to TextRanges in the syntax tree.
|
||||
#[derive(Debug)]
|
||||
pub struct DocsRangeMap {
|
||||
source_map: AttrSourceMap,
|
||||
// (docstring-line-range, attr_index, attr-string-range)
|
||||
// a mapping from the text range of a line of the [`Documentation`] to the attribute index and
|
||||
// the original (untrimmed) syntax doc line
|
||||
mapping: Vec<(TextRange, AttrId, TextRange)>,
|
||||
}
|
||||
|
||||
impl DocsRangeMap {
|
||||
/// Maps a [`TextRange`] relative to the documentation string back to its AST range
|
||||
pub fn map(&self, range: TextRange) -> Option<InFile<TextRange>> {
|
||||
let found = self.mapping.binary_search_by(|(probe, ..)| probe.ordering(range)).ok()?;
|
||||
let (line_docs_range, idx, original_line_src_range) = self.mapping[found];
|
||||
if !line_docs_range.contains_range(range) {
|
||||
return None;
|
||||
}
|
||||
|
||||
let relative_range = range - line_docs_range.start();
|
||||
|
||||
let InFile { file_id, value: source } = self.source_map.source_of_id(idx);
|
||||
match source {
|
||||
Either::Left(attr) => {
|
||||
let string = get_doc_string_in_attr(attr)?;
|
||||
let text_range = string.open_quote_text_range()?;
|
||||
let range = TextRange::at(
|
||||
text_range.end() + original_line_src_range.start() + relative_range.start(),
|
||||
string.syntax().text_range().len().min(range.len()),
|
||||
);
|
||||
Some(InFile { file_id, value: range })
|
||||
}
|
||||
Either::Right(comment) => {
|
||||
let text_range = comment.syntax().text_range();
|
||||
let range = TextRange::at(
|
||||
text_range.start()
|
||||
+ TextSize::try_from(comment.prefix().len()).ok()?
|
||||
+ original_line_src_range.start()
|
||||
+ relative_range.start(),
|
||||
text_range.len().min(range.len()),
|
||||
);
|
||||
Some(InFile { file_id, value: range })
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn get_doc_string_in_attr(it: &ast::Attr) -> Option<ast::String> {
|
||||
match it.expr() {
|
||||
// #[doc = lit]
|
||||
Some(ast::Expr::Literal(lit)) => match lit.kind() {
|
||||
ast::LiteralKind::String(it) => Some(it),
|
||||
_ => None,
|
||||
},
|
||||
// #[cfg_attr(..., doc = "", ...)]
|
||||
None => {
|
||||
// FIXME: See highlight injection for what to do here
|
||||
None
|
||||
}
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Copy)]
|
||||
pub struct AttrQuery<'attr> {
|
||||
attrs: &'attr Attrs,
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
//! Attributes & documentation for hir types.
|
||||
|
||||
use hir_def::{
|
||||
attr::{AttrsWithOwner, Documentation},
|
||||
attr::AttrsWithOwner,
|
||||
item_scope::ItemInNs,
|
||||
path::{ModPath, Path},
|
||||
per_ns::Namespace,
|
||||
|
@ -20,7 +20,6 @@ use crate::{
|
|||
|
||||
pub trait HasAttrs {
|
||||
fn attrs(self, db: &dyn HirDatabase) -> AttrsWithOwner;
|
||||
fn docs(self, db: &dyn HirDatabase) -> Option<Documentation>;
|
||||
fn resolve_doc_path(
|
||||
self,
|
||||
db: &dyn HirDatabase,
|
||||
|
@ -43,10 +42,6 @@ macro_rules! impl_has_attrs {
|
|||
let def = AttrDefId::$def_id(self.into());
|
||||
db.attrs_with_owner(def)
|
||||
}
|
||||
fn docs(self, db: &dyn HirDatabase) -> Option<Documentation> {
|
||||
let def = AttrDefId::$def_id(self.into());
|
||||
db.attrs(def).docs()
|
||||
}
|
||||
fn resolve_doc_path(
|
||||
self,
|
||||
db: &dyn HirDatabase,
|
||||
|
@ -82,9 +77,6 @@ macro_rules! impl_has_attrs_enum {
|
|||
fn attrs(self, db: &dyn HirDatabase) -> AttrsWithOwner {
|
||||
$enum::$variant(self).attrs(db)
|
||||
}
|
||||
fn docs(self, db: &dyn HirDatabase) -> Option<Documentation> {
|
||||
$enum::$variant(self).docs(db)
|
||||
}
|
||||
fn resolve_doc_path(
|
||||
self,
|
||||
db: &dyn HirDatabase,
|
||||
|
@ -109,14 +101,6 @@ impl HasAttrs for AssocItem {
|
|||
}
|
||||
}
|
||||
|
||||
fn docs(self, db: &dyn HirDatabase) -> Option<Documentation> {
|
||||
match self {
|
||||
AssocItem::Function(it) => it.docs(db),
|
||||
AssocItem::Const(it) => it.docs(db),
|
||||
AssocItem::TypeAlias(it) => it.docs(db),
|
||||
}
|
||||
}
|
||||
|
||||
fn resolve_doc_path(
|
||||
self,
|
||||
db: &dyn HirDatabase,
|
||||
|
@ -136,23 +120,6 @@ impl HasAttrs for ExternCrateDecl {
|
|||
let def = AttrDefId::ExternCrateId(self.into());
|
||||
db.attrs_with_owner(def)
|
||||
}
|
||||
fn docs(self, db: &dyn HirDatabase) -> Option<Documentation> {
|
||||
let crate_docs = self.resolved_crate(db)?.root_module().attrs(db).docs().map(String::from);
|
||||
let def = AttrDefId::ExternCrateId(self.into());
|
||||
let decl_docs = db.attrs(def).docs().map(String::from);
|
||||
match (decl_docs, crate_docs) {
|
||||
(None, None) => None,
|
||||
(Some(decl_docs), None) => Some(decl_docs),
|
||||
(None, Some(crate_docs)) => Some(crate_docs),
|
||||
(Some(mut decl_docs), Some(crate_docs)) => {
|
||||
decl_docs.push('\n');
|
||||
decl_docs.push('\n');
|
||||
decl_docs += &crate_docs;
|
||||
Some(decl_docs)
|
||||
}
|
||||
}
|
||||
.map(Documentation::new)
|
||||
}
|
||||
fn resolve_doc_path(
|
||||
self,
|
||||
db: &dyn HirDatabase,
|
||||
|
|
|
@ -115,7 +115,7 @@ pub use crate::{
|
|||
pub use {
|
||||
cfg::{CfgAtom, CfgExpr, CfgOptions},
|
||||
hir_def::{
|
||||
attr::{builtin::AttributeTemplate, Attrs, AttrsWithOwner, Documentation},
|
||||
attr::{builtin::AttributeTemplate, AttrSourceMap, Attrs, AttrsWithOwner},
|
||||
data::adt::StructKind,
|
||||
find_path::PrefixKind,
|
||||
import_map,
|
||||
|
@ -130,7 +130,7 @@ pub use {
|
|||
{AdtId, ModuleDefId},
|
||||
},
|
||||
hir_expand::{
|
||||
attrs::Attr,
|
||||
attrs::{Attr, AttrId},
|
||||
name::{known, Name},
|
||||
ExpandResult, HirFileId, InFile, MacroFile, Origin,
|
||||
},
|
||||
|
|
|
@ -1,6 +1,6 @@
|
|||
//! Completion for derives
|
||||
use hir::{HasAttrs, ScopeDef};
|
||||
use ide_db::SymbolKind;
|
||||
use hir::ScopeDef;
|
||||
use ide_db::{documentation::HasDocs, SymbolKind};
|
||||
use itertools::Itertools;
|
||||
use syntax::SmolStr;
|
||||
|
||||
|
|
|
@ -1,5 +1,5 @@
|
|||
//! Completion for lints
|
||||
use ide_db::{generated::lints::Lint, SymbolKind};
|
||||
use ide_db::{documentation::Documentation, generated::lints::Lint, SymbolKind};
|
||||
use syntax::ast;
|
||||
|
||||
use crate::{context::CompletionContext, item::CompletionItem, Completions};
|
||||
|
@ -55,7 +55,7 @@ pub(super) fn complete_lint(
|
|||
_ => name.to_owned(),
|
||||
};
|
||||
let mut item = CompletionItem::new(SymbolKind::Attribute, ctx.source_range(), label);
|
||||
item.documentation(hir::Documentation::new(description.to_owned()));
|
||||
item.documentation(Documentation::new(description.to_owned()));
|
||||
item.add_to(acc, ctx.db)
|
||||
}
|
||||
}
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
//! Completion for extern crates
|
||||
|
||||
use hir::{HasAttrs, Name};
|
||||
use ide_db::SymbolKind;
|
||||
use hir::Name;
|
||||
use ide_db::{documentation::HasDocs, SymbolKind};
|
||||
|
||||
use crate::{context::CompletionContext, CompletionItem, CompletionItemKind};
|
||||
|
||||
|
|
|
@ -33,8 +33,8 @@
|
|||
|
||||
use hir::{self, HasAttrs};
|
||||
use ide_db::{
|
||||
path_transform::PathTransform, syntax_helpers::insert_whitespace_into_node,
|
||||
traits::get_missing_assoc_items, SymbolKind,
|
||||
documentation::HasDocs, path_transform::PathTransform,
|
||||
syntax_helpers::insert_whitespace_into_node, traits::get_missing_assoc_items, SymbolKind,
|
||||
};
|
||||
use syntax::{
|
||||
ast::{self, edit_in_place::AttrsOwnerEdit, HasTypeBounds},
|
||||
|
|
|
@ -2,8 +2,12 @@
|
|||
|
||||
mod format_like;
|
||||
|
||||
use hir::{Documentation, HasAttrs};
|
||||
use ide_db::{imports::insert_use::ImportScope, ty_filter::TryEnum, SnippetCap};
|
||||
use ide_db::{
|
||||
documentation::{Documentation, HasDocs},
|
||||
imports::insert_use::ImportScope,
|
||||
ty_filter::TryEnum,
|
||||
SnippetCap,
|
||||
};
|
||||
use syntax::{
|
||||
ast::{self, make, AstNode, AstToken},
|
||||
SyntaxKind::{BLOCK_EXPR, EXPR_STMT, FOR_EXPR, IF_EXPR, LOOP_EXPR, STMT_LIST, WHILE_EXPR},
|
||||
|
|
|
@ -1,7 +1,6 @@
|
|||
//! This file provides snippet completions, like `pd` => `eprintln!(...)`.
|
||||
|
||||
use hir::Documentation;
|
||||
use ide_db::{imports::insert_use::ImportScope, SnippetCap};
|
||||
use ide_db::{documentation::Documentation, imports::insert_use::ImportScope, SnippetCap};
|
||||
|
||||
use crate::{
|
||||
context::{ExprCtx, ItemListKind, PathCompletionCtx, Qualified},
|
||||
|
|
|
@ -2,8 +2,11 @@
|
|||
|
||||
use std::fmt;
|
||||
|
||||
use hir::{Documentation, Mutability};
|
||||
use ide_db::{imports::import_assets::LocatedImport, RootDatabase, SnippetCap, SymbolKind};
|
||||
use hir::Mutability;
|
||||
use ide_db::{
|
||||
documentation::Documentation, imports::import_assets::LocatedImport, RootDatabase, SnippetCap,
|
||||
SymbolKind,
|
||||
};
|
||||
use itertools::Itertools;
|
||||
use smallvec::SmallVec;
|
||||
use stdx::{impl_from, never};
|
||||
|
|
|
@ -12,7 +12,10 @@ pub(crate) mod literal;
|
|||
|
||||
use hir::{AsAssocItem, HasAttrs, HirDisplay, ScopeDef};
|
||||
use ide_db::{
|
||||
helpers::item_name, imports::import_assets::LocatedImport, RootDatabase, SnippetCap, SymbolKind,
|
||||
documentation::{Documentation, HasDocs},
|
||||
helpers::item_name,
|
||||
imports::import_assets::LocatedImport,
|
||||
RootDatabase, SnippetCap, SymbolKind,
|
||||
};
|
||||
use syntax::{AstNode, SmolStr, SyntaxKind, TextRange};
|
||||
|
||||
|
@ -114,7 +117,7 @@ impl<'a> RenderContext<'a> {
|
|||
}
|
||||
|
||||
// FIXME: remove this
|
||||
fn docs(&self, def: impl HasAttrs) -> Option<hir::Documentation> {
|
||||
fn docs(&self, def: impl HasDocs) -> Option<Documentation> {
|
||||
def.docs(self.db())
|
||||
}
|
||||
}
|
||||
|
@ -409,7 +412,7 @@ fn res_to_kind(resolution: ScopeDef) -> CompletionItemKind {
|
|||
}
|
||||
}
|
||||
|
||||
fn scope_def_docs(db: &RootDatabase, resolution: ScopeDef) -> Option<hir::Documentation> {
|
||||
fn scope_def_docs(db: &RootDatabase, resolution: ScopeDef) -> Option<Documentation> {
|
||||
use hir::ModuleDef::*;
|
||||
match resolution {
|
||||
ScopeDef::ModuleDef(Module(it)) => it.docs(db),
|
||||
|
|
|
@ -1,7 +1,10 @@
|
|||
//! Renderer for `enum` variants.
|
||||
|
||||
use hir::{db::HirDatabase, Documentation, HasAttrs, StructKind};
|
||||
use ide_db::SymbolKind;
|
||||
use hir::{db::HirDatabase, StructKind};
|
||||
use ide_db::{
|
||||
documentation::{Documentation, HasDocs},
|
||||
SymbolKind,
|
||||
};
|
||||
|
||||
use crate::{
|
||||
context::{CompletionContext, PathCompletionCtx, PathKind},
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
//! Renderer for macro invocations.
|
||||
|
||||
use hir::{Documentation, HirDisplay};
|
||||
use ide_db::SymbolKind;
|
||||
use hir::HirDisplay;
|
||||
use ide_db::{documentation::Documentation, SymbolKind};
|
||||
use syntax::SmolStr;
|
||||
|
||||
use crate::{
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
//! Renderer for patterns.
|
||||
|
||||
use hir::{db::HirDatabase, HasAttrs, Name, StructKind};
|
||||
use ide_db::SnippetCap;
|
||||
use hir::{db::HirDatabase, Name, StructKind};
|
||||
use ide_db::{documentation::HasDocs, SnippetCap};
|
||||
use itertools::Itertools;
|
||||
use syntax::SmolStr;
|
||||
|
||||
|
@ -103,7 +103,7 @@ fn build_completion(
|
|||
label: SmolStr,
|
||||
lookup: SmolStr,
|
||||
pat: String,
|
||||
def: impl HasAttrs + Copy,
|
||||
def: impl HasDocs + Copy,
|
||||
adt_ty: hir::Type,
|
||||
// Missing in context of match statement completions
|
||||
is_variant_missing: bool,
|
||||
|
|
250
crates/ide-db/src/documentation.rs
Normal file
250
crates/ide-db/src/documentation.rs
Normal file
|
@ -0,0 +1,250 @@
|
|||
use either::Either;
|
||||
use hir::{
|
||||
db::{DefDatabase, HirDatabase},
|
||||
AttrId, AttrSourceMap, AttrsWithOwner, HasAttrs, InFile,
|
||||
};
|
||||
use itertools::Itertools;
|
||||
use syntax::{
|
||||
ast::{self, IsString},
|
||||
AstToken,
|
||||
};
|
||||
use text_edit::{TextRange, TextSize};
|
||||
|
||||
/// Holds documentation
|
||||
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
|
||||
pub struct Documentation(String);
|
||||
|
||||
impl Documentation {
|
||||
pub fn new(s: String) -> Self {
|
||||
Documentation(s)
|
||||
}
|
||||
|
||||
pub fn as_str(&self) -> &str {
|
||||
&self.0
|
||||
}
|
||||
}
|
||||
|
||||
impl From<Documentation> for String {
|
||||
fn from(Documentation(string): Documentation) -> Self {
|
||||
string
|
||||
}
|
||||
}
|
||||
|
||||
pub trait HasDocs: HasAttrs {
|
||||
fn docs(self, db: &dyn HirDatabase) -> Option<Documentation>;
|
||||
}
|
||||
|
||||
macro_rules! impl_has_docs {
|
||||
($($def:ident,)*) => {$(
|
||||
impl HasDocs for hir::$def {
|
||||
fn docs(self, db: &dyn HirDatabase) -> Option<Documentation> {
|
||||
docs_from_attrs(&self.attrs(db)).map(Documentation)
|
||||
}
|
||||
}
|
||||
)*};
|
||||
}
|
||||
|
||||
impl_has_docs![
|
||||
Field,
|
||||
Variant,
|
||||
Static,
|
||||
Const,
|
||||
Trait,
|
||||
TraitAlias,
|
||||
TypeAlias,
|
||||
Macro,
|
||||
Function,
|
||||
Adt,
|
||||
Module,
|
||||
GenericParam,
|
||||
Impl,
|
||||
];
|
||||
|
||||
macro_rules! impl_has_docs_enum {
|
||||
($($variant:ident),* for $enum:ident) => {$(
|
||||
impl HasDocs for hir::$variant {
|
||||
fn docs(self, db: &dyn HirDatabase) -> Option<Documentation> {
|
||||
hir::$enum::$variant(self).docs(db)
|
||||
}
|
||||
}
|
||||
)*};
|
||||
}
|
||||
|
||||
impl_has_docs_enum![Struct, Union, Enum for Adt];
|
||||
impl_has_docs_enum![TypeParam, ConstParam, LifetimeParam for GenericParam];
|
||||
|
||||
impl HasDocs for hir::AssocItem {
|
||||
fn docs(self, db: &dyn HirDatabase) -> Option<Documentation> {
|
||||
match self {
|
||||
hir::AssocItem::Function(it) => it.docs(db),
|
||||
hir::AssocItem::Const(it) => it.docs(db),
|
||||
hir::AssocItem::TypeAlias(it) => it.docs(db),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl HasDocs for hir::ExternCrateDecl {
|
||||
fn docs(self, db: &dyn HirDatabase) -> Option<Documentation> {
|
||||
let crate_docs =
|
||||
docs_from_attrs(&self.resolved_crate(db)?.root_module().attrs(db)).map(String::from);
|
||||
let decl_docs = docs_from_attrs(&self.attrs(db)).map(String::from);
|
||||
match (decl_docs, crate_docs) {
|
||||
(None, None) => None,
|
||||
(Some(decl_docs), None) => Some(decl_docs),
|
||||
(None, Some(crate_docs)) => Some(crate_docs),
|
||||
(Some(mut decl_docs), Some(crate_docs)) => {
|
||||
decl_docs.push('\n');
|
||||
decl_docs.push('\n');
|
||||
decl_docs += &crate_docs;
|
||||
Some(decl_docs)
|
||||
}
|
||||
}
|
||||
.map(Documentation::new)
|
||||
}
|
||||
}
|
||||
|
||||
/// A struct to map text ranges from [`Documentation`] back to TextRanges in the syntax tree.
|
||||
#[derive(Debug)]
|
||||
pub struct DocsRangeMap {
|
||||
source_map: AttrSourceMap,
|
||||
// (docstring-line-range, attr_index, attr-string-range)
|
||||
// a mapping from the text range of a line of the [`Documentation`] to the attribute index and
|
||||
// the original (untrimmed) syntax doc line
|
||||
mapping: Vec<(TextRange, AttrId, TextRange)>,
|
||||
}
|
||||
|
||||
impl DocsRangeMap {
|
||||
/// Maps a [`TextRange`] relative to the documentation string back to its AST range
|
||||
pub fn map(&self, range: TextRange) -> Option<InFile<TextRange>> {
|
||||
let found = self.mapping.binary_search_by(|(probe, ..)| probe.ordering(range)).ok()?;
|
||||
let (line_docs_range, idx, original_line_src_range) = self.mapping[found];
|
||||
if !line_docs_range.contains_range(range) {
|
||||
return None;
|
||||
}
|
||||
|
||||
let relative_range = range - line_docs_range.start();
|
||||
|
||||
let InFile { file_id, value: source } = self.source_map.source_of_id(idx);
|
||||
match source {
|
||||
Either::Left(attr) => {
|
||||
let string = get_doc_string_in_attr(attr)?;
|
||||
let text_range = string.open_quote_text_range()?;
|
||||
let range = TextRange::at(
|
||||
text_range.end() + original_line_src_range.start() + relative_range.start(),
|
||||
string.syntax().text_range().len().min(range.len()),
|
||||
);
|
||||
Some(InFile { file_id, value: range })
|
||||
}
|
||||
Either::Right(comment) => {
|
||||
let text_range = comment.syntax().text_range();
|
||||
let range = TextRange::at(
|
||||
text_range.start()
|
||||
+ TextSize::try_from(comment.prefix().len()).ok()?
|
||||
+ original_line_src_range.start()
|
||||
+ relative_range.start(),
|
||||
text_range.len().min(range.len()),
|
||||
);
|
||||
Some(InFile { file_id, value: range })
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn get_doc_string_in_attr(it: &ast::Attr) -> Option<ast::String> {
|
||||
match it.expr() {
|
||||
// #[doc = lit]
|
||||
Some(ast::Expr::Literal(lit)) => match lit.kind() {
|
||||
ast::LiteralKind::String(it) => Some(it),
|
||||
_ => None,
|
||||
},
|
||||
// #[cfg_attr(..., doc = "", ...)]
|
||||
None => {
|
||||
// FIXME: See highlight injection for what to do here
|
||||
None
|
||||
}
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn docs_with_rangemap(
|
||||
db: &dyn DefDatabase,
|
||||
attrs: &AttrsWithOwner,
|
||||
) -> Option<(Documentation, DocsRangeMap)> {
|
||||
let docs =
|
||||
attrs.by_key("doc").attrs().filter_map(|attr| attr.string_value().map(|s| (s, attr.id)));
|
||||
let indent = doc_indent(attrs);
|
||||
let mut buf = String::new();
|
||||
let mut mapping = Vec::new();
|
||||
for (doc, idx) in docs {
|
||||
if !doc.is_empty() {
|
||||
let mut base_offset = 0;
|
||||
for raw_line in doc.split('\n') {
|
||||
let line = raw_line.trim_end();
|
||||
let line_len = line.len();
|
||||
let (offset, line) = match line.char_indices().nth(indent) {
|
||||
Some((offset, _)) => (offset, &line[offset..]),
|
||||
None => (0, line),
|
||||
};
|
||||
let buf_offset = buf.len();
|
||||
buf.push_str(line);
|
||||
mapping.push((
|
||||
TextRange::new(buf_offset.try_into().ok()?, buf.len().try_into().ok()?),
|
||||
idx,
|
||||
TextRange::at(
|
||||
(base_offset + offset).try_into().ok()?,
|
||||
line_len.try_into().ok()?,
|
||||
),
|
||||
));
|
||||
buf.push('\n');
|
||||
base_offset += raw_line.len() + 1;
|
||||
}
|
||||
} else {
|
||||
buf.push('\n');
|
||||
}
|
||||
}
|
||||
buf.pop();
|
||||
if buf.is_empty() {
|
||||
None
|
||||
} else {
|
||||
Some((Documentation(buf), DocsRangeMap { mapping, source_map: attrs.source_map(db) }))
|
||||
}
|
||||
}
|
||||
|
||||
pub fn docs_from_attrs(attrs: &hir::Attrs) -> Option<String> {
|
||||
let docs = attrs.by_key("doc").attrs().filter_map(|attr| attr.string_value());
|
||||
let indent = doc_indent(attrs);
|
||||
let mut buf = String::new();
|
||||
for doc in docs {
|
||||
// str::lines doesn't yield anything for the empty string
|
||||
if !doc.is_empty() {
|
||||
buf.extend(Itertools::intersperse(
|
||||
doc.lines().map(|line| {
|
||||
line.char_indices()
|
||||
.nth(indent)
|
||||
.map_or(line, |(offset, _)| &line[offset..])
|
||||
.trim_end()
|
||||
}),
|
||||
"\n",
|
||||
));
|
||||
}
|
||||
buf.push('\n');
|
||||
}
|
||||
buf.pop();
|
||||
if buf.is_empty() {
|
||||
None
|
||||
} else {
|
||||
Some(buf)
|
||||
}
|
||||
}
|
||||
|
||||
fn doc_indent(attrs: &hir::Attrs) -> usize {
|
||||
attrs
|
||||
.by_key("doc")
|
||||
.attrs()
|
||||
.filter_map(|attr| attr.string_value())
|
||||
.flat_map(|s| s.lines())
|
||||
.filter(|line| !line.chars().all(|c| c.is_whitespace()))
|
||||
.map(|line| line.chars().take_while(|c| c.is_whitespace()).count())
|
||||
.min()
|
||||
.unwrap_or(0)
|
||||
}
|
|
@ -22,6 +22,7 @@ pub mod symbol_index;
|
|||
pub mod traits;
|
||||
pub mod ty_filter;
|
||||
pub mod use_trivial_constructor;
|
||||
pub mod documentation;
|
||||
|
||||
pub mod imports {
|
||||
pub mod import_assets;
|
||||
|
|
|
@ -16,6 +16,7 @@ use hir::{db::HirDatabase, Adt, AsAssocItem, AssocItem, AssocItemContainer, HasA
|
|||
use ide_db::{
|
||||
base_db::{CrateOrigin, LangCrateOrigin, ReleaseChannel, SourceDatabase},
|
||||
defs::{Definition, NameClass, NameRefClass},
|
||||
documentation::{docs_with_rangemap, Documentation},
|
||||
helpers::pick_best_token,
|
||||
RootDatabase,
|
||||
};
|
||||
|
@ -171,7 +172,7 @@ pub(crate) fn external_docs(
|
|||
/// Extracts all links from a given markdown text returning the definition text range, link-text
|
||||
/// and the namespace if known.
|
||||
pub(crate) fn extract_definitions_from_docs(
|
||||
docs: &hir::Documentation,
|
||||
docs: &Documentation,
|
||||
) -> Vec<(TextRange, String, Option<hir::Namespace>)> {
|
||||
Parser::new_with_broken_link_callback(
|
||||
docs.as_str(),
|
||||
|
@ -297,7 +298,7 @@ impl DocCommentToken {
|
|||
let abs_in_expansion_offset = token_start + relative_comment_offset + descended_prefix_len;
|
||||
|
||||
let (attributes, def) = doc_attributes(sema, &node)?;
|
||||
let (docs, doc_mapping) = attributes.docs_with_rangemap(sema.db)?;
|
||||
let (docs, doc_mapping) = docs_with_rangemap(sema.db, &attributes)?;
|
||||
let (in_expansion_range, link, ns) =
|
||||
extract_definitions_from_docs(&docs).into_iter().find_map(|(range, link, ns)| {
|
||||
let mapped = doc_mapping.map(range)?;
|
||||
|
|
|
@ -1,10 +1,11 @@
|
|||
use std::ffi::OsStr;
|
||||
|
||||
use expect_test::{expect, Expect};
|
||||
use hir::{HasAttrs, Semantics};
|
||||
use hir::Semantics;
|
||||
use ide_db::{
|
||||
base_db::{FilePosition, FileRange},
|
||||
defs::Definition,
|
||||
documentation::{Documentation, HasDocs},
|
||||
RootDatabase,
|
||||
};
|
||||
use itertools::Itertools;
|
||||
|
@ -78,7 +79,7 @@ fn check_doc_links(ra_fixture: &str) {
|
|||
fn def_under_cursor(
|
||||
sema: &Semantics<'_, RootDatabase>,
|
||||
position: &FilePosition,
|
||||
) -> (Definition, hir::Documentation) {
|
||||
) -> (Definition, Documentation) {
|
||||
let (docs, def) = sema
|
||||
.parse(position.file_id)
|
||||
.syntax()
|
||||
|
@ -96,7 +97,7 @@ fn def_under_cursor(
|
|||
fn node_to_def(
|
||||
sema: &Semantics<'_, RootDatabase>,
|
||||
node: &SyntaxNode,
|
||||
) -> Option<Option<(Option<hir::Documentation>, Definition)>> {
|
||||
) -> Option<Option<(Option<Documentation>, Definition)>> {
|
||||
Some(match_ast! {
|
||||
match node {
|
||||
ast::SourceFile(it) => sema.to_def(&it).map(|def| (def.docs(sema.db), Definition::Module(def))),
|
||||
|
|
|
@ -3,12 +3,13 @@ use std::fmt::Display;
|
|||
|
||||
use either::Either;
|
||||
use hir::{
|
||||
Adt, AsAssocItem, AttributeTemplate, CaptureKind, HasAttrs, HasSource, HirDisplay, Layout,
|
||||
LayoutError, Semantics, TypeInfo,
|
||||
Adt, AsAssocItem, AttributeTemplate, CaptureKind, HasSource, HirDisplay, Layout, LayoutError,
|
||||
Semantics, TypeInfo,
|
||||
};
|
||||
use ide_db::{
|
||||
base_db::SourceDatabase,
|
||||
defs::Definition,
|
||||
documentation::{Documentation, HasDocs},
|
||||
famous_defs::FamousDefs,
|
||||
generated::lints::{CLIPPY_LINTS, DEFAULT_LINTS, FEATURES},
|
||||
syntax_helpers::insert_whitespace_into_node,
|
||||
|
@ -616,9 +617,9 @@ fn render_builtin_attr(db: &RootDatabase, attr: hir::BuiltinAttr) -> Option<Mark
|
|||
markup(Some(docs.replace('*', "\\*")), desc, None)
|
||||
}
|
||||
|
||||
fn label_and_docs<D>(db: &RootDatabase, def: D) -> (String, Option<hir::Documentation>)
|
||||
fn label_and_docs<D>(db: &RootDatabase, def: D) -> (String, Option<Documentation>)
|
||||
where
|
||||
D: HasAttrs + HirDisplay,
|
||||
D: HasDocs + HirDisplay,
|
||||
{
|
||||
let label = def.display(db).to_string();
|
||||
let docs = def.docs(db);
|
||||
|
@ -631,9 +632,9 @@ fn label_and_layout_info_and_docs<D, E, E2>(
|
|||
config: &HoverConfig,
|
||||
layout_extractor: E,
|
||||
layout_offset_extractor: E2,
|
||||
) -> (String, Option<hir::Documentation>)
|
||||
) -> (String, Option<Documentation>)
|
||||
where
|
||||
D: HasAttrs + HirDisplay,
|
||||
D: HasDocs + HirDisplay,
|
||||
E: Fn(&D) -> Result<Layout, LayoutError>,
|
||||
E2: Fn(&Layout) -> Option<u64>,
|
||||
{
|
||||
|
@ -657,9 +658,9 @@ fn label_value_and_layout_info_and_docs<D, E, E2, E3, V>(
|
|||
value_extractor: E,
|
||||
layout_extractor: E2,
|
||||
layout_tag_extractor: E3,
|
||||
) -> (String, Option<hir::Documentation>)
|
||||
) -> (String, Option<Documentation>)
|
||||
where
|
||||
D: HasAttrs + HirDisplay,
|
||||
D: HasDocs + HirDisplay,
|
||||
E: Fn(&D) -> Option<V>,
|
||||
E2: Fn(&D) -> Result<Layout, LayoutError>,
|
||||
E3: Fn(&Layout) -> Option<usize>,
|
||||
|
@ -686,9 +687,9 @@ fn label_value_and_docs<D, E, V>(
|
|||
db: &RootDatabase,
|
||||
def: D,
|
||||
value_extractor: E,
|
||||
) -> (String, Option<hir::Documentation>)
|
||||
) -> (String, Option<Documentation>)
|
||||
where
|
||||
D: HasAttrs + HirDisplay,
|
||||
D: HasDocs + HirDisplay,
|
||||
E: Fn(&D) -> Option<V>,
|
||||
V: Display,
|
||||
{
|
||||
|
|
|
@ -111,7 +111,7 @@ pub use crate::{
|
|||
HighlightConfig, HlRange,
|
||||
},
|
||||
};
|
||||
pub use hir::{Documentation, Semantics};
|
||||
pub use hir::Semantics;
|
||||
pub use ide_assists::{
|
||||
Assist, AssistConfig, AssistId, AssistKind, AssistResolveStrategy, SingleResolve,
|
||||
};
|
||||
|
@ -124,6 +124,7 @@ pub use ide_db::{
|
|||
Cancelled, Change, CrateGraph, CrateId, Edition, FileId, FilePosition, FileRange,
|
||||
SourceRoot, SourceRootId,
|
||||
},
|
||||
documentation::Documentation,
|
||||
label::Label,
|
||||
line_index::{LineCol, LineIndex},
|
||||
search::{ReferenceCategory, SearchScope},
|
||||
|
|
|
@ -4,14 +4,15 @@ use std::fmt;
|
|||
|
||||
use either::Either;
|
||||
use hir::{
|
||||
symbols::FileSymbol, AssocItem, Documentation, FieldSource, HasAttrs, HasContainer, HasSource,
|
||||
HirDisplay, HirFileId, InFile, LocalSource, ModuleSource,
|
||||
symbols::FileSymbol, AssocItem, FieldSource, HasContainer, HasSource, HirDisplay, HirFileId,
|
||||
InFile, LocalSource, ModuleSource,
|
||||
};
|
||||
use ide_db::{
|
||||
base_db::{FileId, FileRange},
|
||||
SymbolKind,
|
||||
defs::Definition,
|
||||
documentation::{Documentation, HasDocs},
|
||||
RootDatabase, SymbolKind,
|
||||
};
|
||||
use ide_db::{defs::Definition, RootDatabase};
|
||||
use stdx::never;
|
||||
use syntax::{
|
||||
ast::{self, HasName},
|
||||
|
@ -327,7 +328,7 @@ impl ToNavFromAst for hir::TraitAlias {
|
|||
|
||||
impl<D> TryToNav for D
|
||||
where
|
||||
D: HasSource + ToNavFromAst + Copy + HasAttrs + HirDisplay,
|
||||
D: HasSource + ToNavFromAst + Copy + HasDocs + HirDisplay,
|
||||
D::Ast: ast::HasName,
|
||||
{
|
||||
fn try_to_nav(&self, db: &RootDatabase) -> Option<NavigationTarget> {
|
||||
|
|
|
@ -7,6 +7,7 @@ use ide_assists::utils::test_related_attribute;
|
|||
use ide_db::{
|
||||
base_db::{FilePosition, FileRange},
|
||||
defs::Definition,
|
||||
documentation::docs_from_attrs,
|
||||
helpers::visit_file_defs,
|
||||
search::SearchScope,
|
||||
FxHashMap, FxHashSet, RootDatabase, SymbolKind,
|
||||
|
@ -496,7 +497,7 @@ const RUSTDOC_CODE_BLOCK_ATTRIBUTES_RUNNABLE: &[&str] =
|
|||
&["", "rust", "should_panic", "edition2015", "edition2018", "edition2021"];
|
||||
|
||||
fn has_runnable_doc_test(attrs: &hir::Attrs) -> bool {
|
||||
attrs.docs().map_or(false, |doc| {
|
||||
docs_from_attrs(attrs).map_or(false, |doc| {
|
||||
let mut in_code_block = false;
|
||||
|
||||
for line in String::from(doc).lines() {
|
||||
|
|
|
@ -4,12 +4,11 @@
|
|||
use std::collections::BTreeSet;
|
||||
|
||||
use either::Either;
|
||||
use hir::{
|
||||
AssocItem, GenericParam, HasAttrs, HirDisplay, ModuleDef, PathResolution, Semantics, Trait,
|
||||
};
|
||||
use hir::{AssocItem, GenericParam, HirDisplay, ModuleDef, PathResolution, Semantics, Trait};
|
||||
use ide_db::{
|
||||
active_parameter::{callable_for_node, generic_def_for_node},
|
||||
base_db::FilePosition,
|
||||
documentation::HasDocs,
|
||||
FxIndexMap,
|
||||
};
|
||||
use stdx::format_to;
|
||||
|
|
|
@ -5,8 +5,8 @@ use std::mem;
|
|||
use either::Either;
|
||||
use hir::{InFile, Semantics};
|
||||
use ide_db::{
|
||||
active_parameter::ActiveParameter, base_db::FileId, defs::Definition, rust_doc::is_rust_fence,
|
||||
SymbolKind,
|
||||
active_parameter::ActiveParameter, base_db::FileId, defs::Definition,
|
||||
documentation::docs_with_rangemap, rust_doc::is_rust_fence, SymbolKind,
|
||||
};
|
||||
use syntax::{
|
||||
ast::{self, AstNode, IsString, QuoteOffsets},
|
||||
|
@ -118,7 +118,7 @@ pub(super) fn doc_comment(
|
|||
let src_file_id = src_file_id.into();
|
||||
|
||||
// Extract intra-doc links and emit highlights for them.
|
||||
if let Some((docs, doc_mapping)) = attributes.docs_with_rangemap(sema.db) {
|
||||
if let Some((docs, doc_mapping)) = docs_with_rangemap(sema.db, &attributes) {
|
||||
extract_definitions_from_docs(&docs)
|
||||
.into_iter()
|
||||
.filter_map(|(range, link, ns)| {
|
||||
|
|
|
@ -12,7 +12,10 @@ use ide_db::base_db::{CrateId, FileLoader, ProcMacroPaths, SourceDatabase};
|
|||
use load_cargo::SourceRootConfig;
|
||||
use lsp_types::{SemanticTokens, Url};
|
||||
use nohash_hasher::IntMap;
|
||||
use parking_lot::{Mutex, RwLock, RwLockUpgradableReadGuard, RwLockWriteGuard};
|
||||
use parking_lot::{
|
||||
MappedRwLockReadGuard, Mutex, RwLock, RwLockReadGuard, RwLockUpgradableReadGuard,
|
||||
RwLockWriteGuard,
|
||||
};
|
||||
use proc_macro_api::ProcMacroServer;
|
||||
use project_model::{CargoWorkspace, ProjectWorkspace, Target, WorkspaceBuildScripts};
|
||||
use rustc_hash::{FxHashMap, FxHashSet};
|
||||
|
@ -438,12 +441,16 @@ impl Drop for GlobalState {
|
|||
}
|
||||
|
||||
impl GlobalStateSnapshot {
|
||||
fn vfs_read(&self) -> MappedRwLockReadGuard<'_, vfs::Vfs> {
|
||||
RwLockReadGuard::map(self.vfs.read(), |(it, _)| it)
|
||||
}
|
||||
|
||||
pub(crate) fn url_to_file_id(&self, url: &Url) -> anyhow::Result<FileId> {
|
||||
url_to_file_id(&self.vfs.read().0, url)
|
||||
url_to_file_id(&self.vfs_read(), url)
|
||||
}
|
||||
|
||||
pub(crate) fn file_id_to_url(&self, id: FileId) -> Url {
|
||||
file_id_to_url(&self.vfs.read().0, id)
|
||||
file_id_to_url(&self.vfs_read(), id)
|
||||
}
|
||||
|
||||
pub(crate) fn file_line_index(&self, file_id: FileId) -> Cancellable<LineIndex> {
|
||||
|
@ -459,7 +466,7 @@ impl GlobalStateSnapshot {
|
|||
}
|
||||
|
||||
pub(crate) fn anchored_path(&self, path: &AnchoredPathBuf) -> Url {
|
||||
let mut base = self.vfs.read().0.file_path(path.anchor);
|
||||
let mut base = self.vfs_read().file_path(path.anchor);
|
||||
base.pop();
|
||||
let path = base.join(&path.path).unwrap();
|
||||
let path = path.as_path().unwrap();
|
||||
|
@ -467,7 +474,7 @@ impl GlobalStateSnapshot {
|
|||
}
|
||||
|
||||
pub(crate) fn file_id_to_file_path(&self, file_id: FileId) -> vfs::VfsPath {
|
||||
self.vfs.read().0.file_path(file_id)
|
||||
self.vfs_read().file_path(file_id)
|
||||
}
|
||||
|
||||
pub(crate) fn cargo_target_for_crate_root(
|
||||
|
@ -475,7 +482,7 @@ impl GlobalStateSnapshot {
|
|||
crate_id: CrateId,
|
||||
) -> Option<(&CargoWorkspace, Target)> {
|
||||
let file_id = self.analysis.crate_root(crate_id).ok()?;
|
||||
let path = self.vfs.read().0.file_path(file_id);
|
||||
let path = self.vfs_read().file_path(file_id);
|
||||
let path = path.as_path()?;
|
||||
self.workspaces.iter().find_map(|ws| match ws {
|
||||
ProjectWorkspace::Cargo { cargo, .. } => {
|
||||
|
@ -487,7 +494,7 @@ impl GlobalStateSnapshot {
|
|||
}
|
||||
|
||||
pub(crate) fn vfs_memory_usage(&self) -> usize {
|
||||
self.vfs.read().0.memory_usage()
|
||||
self.vfs_read().memory_usage()
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
@ -1,4 +1,5 @@
|
|||
//! Transforms markdown
|
||||
//! Transforms rust like doc content to markdown, replacing rustdoc fences and removing rustdoc code
|
||||
//! block comments.
|
||||
use ide_db::rust_doc::is_rust_fence;
|
||||
|
||||
const RUSTDOC_FENCES: [&str; 2] = ["```", "~~~"];
|
||||
|
|
Loading…
Reference in a new issue