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use static data for namespace recognition

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This commit is contained in:
Zac Pullar-Strecker 2020-08-01 12:32:49 +12:00
parent cbdb6bd939
commit 7bd48a63f6
3 changed files with 49 additions and 56 deletions
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2
Cargo.lock generated
View file

@ -1083,7 +1083,6 @@ dependencies = [
"indexmap",
"itertools",
"log",
"once_cell",
"oorandom",
"pulldown-cmark",
"pulldown-cmark-to-cmark",
@ -1103,6 +1102,7 @@ dependencies = [
"rustc-hash",
"stdx",
"test_utils",
"url",
]
[[package]]

1
crates/ra_ide/Cargo.toml
View file

@ -21,7 +21,6 @@ url = "*"
pulldown-cmark-to-cmark = "4.0.2"
pulldown-cmark = "0.7.0"
oorandom = "11.1.2"
once_cell = "1"
stdx = { path = "../stdx" }

102
crates/ra_ide/src/hover.rs
View file

@ -1,8 +1,4 @@
use std::collections::{HashMap, HashSet};
use std::{
iter::{once, FromIterator},
sync::Mutex,
};
use std::iter::once;
use hir::{
db::DefDatabase, Adt, AsAssocItem, AsName, AssocItemContainer, AttrDef, Crate, Documentation,
@ -10,7 +6,6 @@ use hir::{
ModuleSource, Semantics,
};
use itertools::Itertools;
use once_cell::sync::Lazy;
use pulldown_cmark::{CowStr, Event, Options, Parser, Tag};
use pulldown_cmark_to_cmark::cmark;
use ra_db::SourceDatabase;
@ -402,10 +397,9 @@ fn rewrite_links(db: &RootDatabase, markdown: &str, definition: &Definition) ->
try_resolve_path(db, definition, &target).map(|target| (target, title.to_string()))
});
if let Some((target, title)) = resolved {
(target, title)
} else {
(target.to_string(), title.to_string())
match resolved {
Some((target, title)) => (target, title),
None => (target.to_string(), title.to_string()),
}
}
});
@ -421,65 +415,61 @@ enum Namespace {
Macros,
}
static NS_MAP: Lazy<
HashMap<Namespace, (HashSet<&'static &'static str>, HashSet<&'static &'static str>)>,
> = Lazy::new(|| {
let mut map = HashMap::new();
map.insert(Namespace::Types, (HashSet::new(), HashSet::new()));
map.insert(
Namespace::Values,
(
HashSet::from_iter(
["value", "function", "fn", "method", "const", "static", "mod", "module"].iter(),
),
HashSet::from_iter(["()"].iter()),
),
);
map.insert(
Namespace::Macros,
(HashSet::from_iter(["macro"].iter()), HashSet::from_iter(["!"].iter())),
);
map
});
static TYPES: ([&str; 7], [&str; 0]) =
(["type", "struct", "enum", "mod", "trait", "union", "module"], []);
static VALUES: ([&str; 8], [&str; 1]) =
(["value", "function", "fn", "method", "const", "static", "mod", "module"], ["()"]);
static MACROS: ([&str; 1], [&str; 1]) = (["macro"], ["!"]);
impl Namespace {
/// Extract the specified namespace from an intra-doc-link if one exists.
fn from_intra_spec(s: &str) -> Option<Self> {
NS_MAP
.iter()
.filter(|(_ns, (prefixes, suffixes))| {
prefixes
.iter()
.map(|prefix| {
s.starts_with(*prefix)
[
(Namespace::Types, (TYPES.0.iter(), TYPES.1.iter())),
(Namespace::Values, (VALUES.0.iter(), VALUES.1.iter())),
(Namespace::Macros, (MACROS.0.iter(), MACROS.1.iter())),
]
.iter()
.filter(|(_ns, (prefixes, suffixes))| {
prefixes
.clone()
.map(|prefix| {
s.starts_with(*prefix)
&& s.chars()
.nth(prefix.len() + 1)
.map(|c| c == '@' || c == ' ')
.unwrap_or(false)
})
.any(|cond| cond)
|| suffixes
.clone()
.map(|suffix| {
s.starts_with(*suffix)
&& s.chars()
.nth(prefix.len() + 1)
.nth(suffix.len() + 1)
.map(|c| c == '@' || c == ' ')
.unwrap_or(false)
})
.any(|cond| cond)
|| suffixes
.iter()
.map(|suffix| {
s.starts_with(*suffix)
&& s.chars()
.nth(suffix.len() + 1)
.map(|c| c == '@' || c == ' ')
.unwrap_or(false)
})
.any(|cond| cond)
})
.map(|(ns, (_, _))| *ns)
.next()
})
.map(|(ns, (_, _))| *ns)
.next()
}
}
// Strip prefixes, suffixes, and inline code marks from the given string.
fn strip_prefixes_suffixes(mut s: &str) -> &str {
s = s.trim_matches('`');
NS_MAP.iter().for_each(|(_, (prefixes, suffixes))| {
prefixes.iter().for_each(|prefix| s = s.trim_start_matches(*prefix));
suffixes.iter().for_each(|suffix| s = s.trim_end_matches(*suffix));
[
(TYPES.0.iter(), TYPES.1.iter()),
(VALUES.0.iter(), VALUES.1.iter()),
(MACROS.0.iter(), MACROS.1.iter()),
]
.iter()
.for_each(|(prefixes, suffixes)| {
prefixes.clone().for_each(|prefix| s = s.trim_start_matches(*prefix));
suffixes.clone().for_each(|suffix| s = s.trim_end_matches(*suffix));
});
s.trim_start_matches("@").trim()
}
@ -493,6 +483,8 @@ fn try_resolve_intra(
link_text: &str,
link_target: &str,
) -> Option<(String, String)> {
eprintln!("resolving intra");
// Set link_target for implied shortlinks
let link_target =
if link_target.is_empty() { link_text.trim_matches('`') } else { link_target };
@ -551,6 +543,8 @@ fn try_resolve_intra(
/// Try to resolve path to local documentation via path-based links (i.e. `../gateway/struct.Shard.html`).
fn try_resolve_path(db: &RootDatabase, definition: &Definition, link: &str) -> Option<String> {
eprintln!("resolving path");
if !link.contains("#") && !link.contains(".html") {
return None;
}