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Add highlight support for unsafe fn calls and raw ptr deref

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This commit is contained in:
Paul Daniel Faria 2020-06-02 18:49:09 -04:00
parent 2f6ab77708
commit a9cb2933fb
11 changed files with 125 additions and 6 deletions
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25
crates/ra_ide/src/syntax_highlighting.rs
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@ -406,6 +406,23 @@ fn highlight_element(
_ => h,
}
}
PREFIX_EXPR => {
let prefix_expr = element.into_node().and_then(ast::PrefixExpr::cast)?;
match prefix_expr.op_kind() {
Some(ast::PrefixOp::Deref) => {}
_ => return None,
}
let expr = prefix_expr.expr()?;
let ty = sema.type_of_expr(&expr)?;
if !ty.is_raw_ptr() {
return None;
}
let mut h = Highlight::new(HighlightTag::Operator);
h |= HighlightModifier::Unsafe;
h
}
k if k.is_keyword() => {
let h = Highlight::new(HighlightTag::Keyword);
@ -458,7 +475,13 @@ fn highlight_name(db: &RootDatabase, def: Definition) -> Highlight {
Definition::Field(_) => HighlightTag::Field,
Definition::ModuleDef(def) => match def {
hir::ModuleDef::Module(_) => HighlightTag::Module,
hir::ModuleDef::Function(_) => HighlightTag::Function,
hir::ModuleDef::Function(func) => {
let mut h = HighlightTag::Function.into();
if func.is_unsafe(db) {
h |= HighlightModifier::Unsafe;
}
return h;
}
hir::ModuleDef::Adt(hir::Adt::Struct(_)) => HighlightTag::Struct,
hir::ModuleDef::Adt(hir::Adt::Enum(_)) => HighlightTag::Enum,
hir::ModuleDef::Adt(hir::Adt::Union(_)) => HighlightTag::Union,