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Refactor AST trait bound modifiers

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This commit is contained in:
León Orell Valerian Liehr 2023-12-20 15:22:06 +01:00
parent bf9229a2e3
commit 5e4f12b41a
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GPG key ID: D17A07215F68E713
16 changed files with 195 additions and 201 deletions
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32
compiler/rustc_ast_pretty/src/pprust/state.rs
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@ -17,7 +17,7 @@ use rustc_ast::util::comments::{gather_comments, Comment, CommentStyle};
use rustc_ast::util::parser;
use rustc_ast::{self as ast, AttrArgs, AttrArgsEq, BlockCheckMode, PatKind};
use rustc_ast::{attr, BindingAnnotation, ByRef, DelimArgs, RangeEnd, RangeSyntax, Term};
use rustc_ast::{GenericArg, GenericBound, SelfKind, TraitBoundModifier};
use rustc_ast::{GenericArg, GenericBound, SelfKind};
use rustc_ast::{InlineAsmOperand, InlineAsmRegOrRegClass};
use rustc_ast::{InlineAsmOptions, InlineAsmTemplatePiece};
use rustc_span::edition::Edition;
@ -1559,26 +1559,20 @@ impl<'a> State<'a> {
match bound {
GenericBound::Trait(tref, modifier) => {
match modifier {
TraitBoundModifier::None => {}
TraitBoundModifier::Negative => {
self.word("!");
}
TraitBoundModifier::Maybe => {
self.word("?");
}
TraitBoundModifier::MaybeConst(_) => {
self.word_space("~const");
}
TraitBoundModifier::MaybeConstNegative => {
self.word_space("~const");
self.word("!");
}
TraitBoundModifier::MaybeConstMaybe => {
self.word_space("~const");
self.word("?");
match modifier.constness {
ast::BoundConstness::Never => {}
ast::BoundConstness::Maybe(_) => {
self.word_space(modifier.constness.as_str());
}
}
match modifier.polarity {
ast::BoundPolarity::Positive => {}
ast::BoundPolarity::Negative(_) | ast::BoundPolarity::Maybe(_) => {
self.word(modifier.polarity.as_str());
}
}
self.print_poly_trait_ref(tref);
}
GenericBound::Outlives(lt) => self.print_lifetime(*lt),