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Refactor highlighting to use classify_name

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This commit is contained in:
Aleksey Kladov 2019-11-11 12:52:14 +03:00
parent 4deba88c33
commit ef70925f5f
1 changed files with 72 additions and 71 deletions
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123
crates/ra_ide_api/src/syntax_highlighting.rs
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@ -9,12 +9,15 @@ use ra_syntax::{
ast::{self, NameOwner},
AstNode, Direction, SmolStr, SyntaxElement, SyntaxKind,
SyntaxKind::*,
TextRange, T,
SyntaxNode, TextRange, T,
};
use crate::{
db::RootDatabase,
references::{classify_name_ref, NameKind::*},
references::{
classify_name, classify_name_ref,
NameKind::{self, *},
},
FileId,
};
@ -100,81 +103,43 @@ pub(crate) fn highlight(db: &RootDatabase, file_id: FileId) -> Vec<HighlightedRa
if node.ancestors().any(|it| it.kind() == ATTR) {
continue;
}
if let Some(name_ref) = node.as_node().cloned().and_then(ast::NameRef::cast) {
let name_ref = node.as_node().cloned().and_then(ast::NameRef::cast).unwrap();
let name_kind = classify_name_ref(db, file_id, &name_ref).map(|d| d.kind);
match name_kind {
Some(Macro(_)) => "macro",
Some(Field(_)) => "field",
Some(AssocItem(hir::AssocItem::Function(_))) => "function",
Some(AssocItem(hir::AssocItem::Const(_))) => "constant",
Some(AssocItem(hir::AssocItem::TypeAlias(_))) => "type",
Some(Def(hir::ModuleDef::Module(_))) => "module",
Some(Def(hir::ModuleDef::Function(_))) => "function",
Some(Def(hir::ModuleDef::Adt(_))) => "type",
Some(Def(hir::ModuleDef::EnumVariant(_))) => "constant",
Some(Def(hir::ModuleDef::Const(_))) => "constant",
Some(Def(hir::ModuleDef::Static(_))) => "constant",
Some(Def(hir::ModuleDef::Trait(_))) => "type",
Some(Def(hir::ModuleDef::TypeAlias(_))) => "type",
Some(Def(hir::ModuleDef::BuiltinType(_))) => "type",
Some(SelfType(_)) => "type",
Some(Pat((_, ptr))) => {
if let Some(Pat((_, ptr))) = &name_kind {
let pat = ptr.to_node(&root);
if let Some(name) = pat.name() {
let text = name.text();
let shadow_count =
bindings_shadow_count.entry(text.clone()).or_default();
binding_hash =
Some(calc_binding_hash(file_id, &text, *shadow_count))
let shadow_count = bindings_shadow_count.entry(text.clone()).or_default();
binding_hash = Some(calc_binding_hash(file_id, &text, *shadow_count))
}
};
let analyzer =
hir::SourceAnalyzer::new(db, file_id, name_ref.syntax(), None);
if is_variable_mutable(db, &analyzer, ptr.to_node(&root)) {
"variable.mut"
} else {
"variable"
}
}
Some(SelfParam(_)) => "type",
Some(GenericParam(_)) => "type",
None => "text",
}
} else {
"text"
}
name_kind
.map_or("text", |it| highlight_name(db, file_id, name_ref.syntax(), &root, it))
}
NAME => {
if let Some(name) = node.as_node().cloned().and_then(ast::Name::cast) {
let analyzer = hir::SourceAnalyzer::new(db, file_id, name.syntax(), None);
if let Some(pat) = name.syntax().ancestors().find_map(ast::BindPat::cast) {
let name = node.as_node().cloned().and_then(ast::Name::cast).unwrap();
let name_kind = classify_name(db, file_id, &name).map(|d| d.kind);
if let Some(Pat((_, ptr))) = &name_kind {
let pat = ptr.to_node(&root);
if let Some(name) = pat.name() {
let text = name.text();
let shadow_count =
bindings_shadow_count.entry(text.clone()).or_default();
let shadow_count = bindings_shadow_count.entry(text.clone()).or_default();
*shadow_count += 1;
binding_hash = Some(calc_binding_hash(file_id, &text, *shadow_count))
}
};
if is_variable_mutable(db, &analyzer, pat) {
"variable.mut"
} else {
"variable"
}
} else {
name.syntax()
.parent()
.map(|x| match x.kind() {
TYPE_PARAM | STRUCT_DEF | ENUM_DEF | TRAIT_DEF | TYPE_ALIAS_DEF => {
"type"
}
match name_kind {
Some(name_kind) => highlight_name(db, file_id, name.syntax(), &root, name_kind),
None => name.syntax().parent().map_or("function", |x| match x.kind() {
TYPE_PARAM | STRUCT_DEF | ENUM_DEF | TRAIT_DEF | TYPE_ALIAS_DEF => "type",
RECORD_FIELD_DEF => "field",
_ => "function",
})
.unwrap_or("function")
}
} else {
"text"
}),
}
}
INT_NUMBER | FLOAT_NUMBER | CHAR | BYTE => "literal",
@ -272,6 +237,42 @@ pub(crate) fn highlight_as_html(db: &RootDatabase, file_id: FileId, rainbow: boo
buf
}
fn highlight_name(
db: &RootDatabase,
file_id: FileId,
node: &SyntaxNode,
root: &SyntaxNode,
name_kind: NameKind,
) -> &'static str {
match name_kind {
Macro(_) => "macro",
Field(_) => "field",
AssocItem(hir::AssocItem::Function(_)) => "function",
AssocItem(hir::AssocItem::Const(_)) => "constant",
AssocItem(hir::AssocItem::TypeAlias(_)) => "type",
Def(hir::ModuleDef::Module(_)) => "module",
Def(hir::ModuleDef::Function(_)) => "function",
Def(hir::ModuleDef::Adt(_)) => "type",
Def(hir::ModuleDef::EnumVariant(_)) => "constant",
Def(hir::ModuleDef::Const(_)) => "constant",
Def(hir::ModuleDef::Static(_)) => "constant",
Def(hir::ModuleDef::Trait(_)) => "type",
Def(hir::ModuleDef::TypeAlias(_)) => "type",
Def(hir::ModuleDef::BuiltinType(_)) => "type",
SelfType(_) => "type",
SelfParam(_) => "type",
GenericParam(_) => "type",
Pat((_, ptr)) => {
let analyzer = hir::SourceAnalyzer::new(db, file_id, node, None);
if is_variable_mutable(db, &analyzer, ptr.to_node(&root)) {
"variable.mut"
} else {
"variable"
}
}
}
}
//FIXME: like, real html escaping
fn html_escape(text: &str) -> String {
text.replace("<", "&lt;").replace(">", "&gt;")