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move ty

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This commit is contained in:
Aleksey Kladov 2021-12-27 16:08:35 +03:00
parent 5636bef2ec
commit 04ae18de29
3 changed files with 12 additions and 4 deletions
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6
crates/mbe/src/expander/matcher.rs
View File

@ -692,7 +692,11 @@ fn match_meta_var(kind: &str, input: &mut TtIter) -> ExpandResult<Option<Fragmen
let fragment = match kind {
"path" => ParserEntryPoint::Path,
"expr" => ParserEntryPoint::Expr,
"ty" => ParserEntryPoint::Type,
"ty" => {
return input
.expect_fragment2(parser::PrefixEntryPoint::Ty)
.map(|tt| tt.map(Fragment::Tokens));
}
// FIXME: These two should actually behave differently depending on the edition.
//
// https://doc.rust-lang.org/edition-guide/rust-2021/or-patterns-macro-rules.html

6
crates/parser/src/grammar.rs
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@ -65,6 +65,10 @@ pub(crate) fn stmt(p: &mut Parser) {
pub(crate) fn pat(p: &mut Parser) {
patterns::pattern_single(p);
}
pub(crate) fn ty(p: &mut Parser) {
types::type_(p);
}
}
}
@ -80,8 +84,6 @@ pub(crate) fn source_file(p: &mut Parser) {
pub(crate) use paths::type_path as path;
pub(crate) use types::type_;
pub(crate) fn expr(p: &mut Parser) {
let _ = expressions::expr(p);
}

4
crates/parser/src/lib.rs
View File

@ -56,6 +56,7 @@ pub enum PrefixEntryPoint {
Block,
Stmt,
Pat,
Ty,
}
impl PrefixEntryPoint {
@ -65,6 +66,7 @@ pub fn parse(&self, input: &Input) -> Output {
PrefixEntryPoint::Block => grammar::entry::prefix::block,
PrefixEntryPoint::Stmt => grammar::entry::prefix::stmt,
PrefixEntryPoint::Pat => grammar::entry::prefix::pat,
PrefixEntryPoint::Ty => grammar::entry::prefix::ty,
};
let mut p = parser::Parser::new(input);
entry_point(&mut p);
@ -110,7 +112,7 @@ pub fn parse(inp: &Input, entry_point: ParserEntryPoint) -> Output {
ParserEntryPoint::SourceFile => grammar::entry_points::source_file,
ParserEntryPoint::Path => grammar::entry_points::path,
ParserEntryPoint::Expr => grammar::entry_points::expr,
ParserEntryPoint::Type => grammar::entry_points::type_,
ParserEntryPoint::Type => grammar::entry::prefix::ty,
ParserEntryPoint::Pattern => grammar::entry::prefix::pat,
ParserEntryPoint::Item => grammar::entry_points::item,
ParserEntryPoint::MetaItem => grammar::entry_points::meta_item,