move stmt to entry points

This commit is contained in:
Aleksey Kladov 2021-12-27 15:54:00 +03:00
parent 519ee21bcb
commit f10f51833c
3 changed files with 11 additions and 13 deletions

View file

@ -694,7 +694,11 @@ fn match_meta_var(kind: &str, input: &mut TtIter) -> ExpandResult<Option<Fragmen
"expr" => ParserEntryPoint::Expr,
"ty" => ParserEntryPoint::Type,
"pat" | "pat_param" => ParserEntryPoint::Pattern, // FIXME: edition2021
"stmt" => ParserEntryPoint::Statement,
"stmt" => {
return input
.expect_fragment2(parser::PrefixEntryPoint::Stmt)
.map(|tt| tt.map(Fragment::Tokens));
}
"block" => {
return input
.expect_fragment2(parser::PrefixEntryPoint::Block)

View file

@ -57,6 +57,10 @@ pub(crate) mod entry {
pub(crate) fn block(p: &mut Parser) {
expressions::block_expr(p);
}
pub(crate) fn stmt(p: &mut Parser) {
expressions::stmt(p, expressions::StmtWithSemi::No, true);
}
}
}
@ -70,8 +74,6 @@ pub(crate) mod entry_points {
m.complete(p, SOURCE_FILE);
}
pub(crate) use expressions::block_expr;
pub(crate) use paths::type_path as path;
pub(crate) use patterns::pattern_single as pattern;
@ -82,10 +84,6 @@ pub(crate) mod entry_points {
let _ = expressions::expr(p);
}
pub(crate) fn stmt(p: &mut Parser) {
expressions::stmt(p, expressions::StmtWithSemi::No, true);
}
pub(crate) fn stmt_optional_semi(p: &mut Parser) {
expressions::stmt(p, expressions::StmtWithSemi::Optional, false);
}

View file

@ -53,6 +53,7 @@ pub use crate::{
pub enum PrefixEntryPoint {
Vis,
Block,
Stmt,
}
impl PrefixEntryPoint {
@ -60,6 +61,7 @@ impl PrefixEntryPoint {
let entry_point: fn(&'_ mut parser::Parser) = match self {
PrefixEntryPoint::Vis => grammar::entry::prefix::vis,
PrefixEntryPoint::Block => grammar::entry::prefix::block,
PrefixEntryPoint::Stmt => grammar::entry::prefix::stmt,
};
let mut p = parser::Parser::new(input);
entry_point(&mut p);
@ -77,13 +79,10 @@ pub enum ParserEntryPoint {
SourceFile,
Path,
Expr,
Statement,
StatementOptionalSemi,
Type,
Pattern,
Item,
Block,
// Visibility,
MetaItem,
Items,
Statements,
@ -111,10 +110,7 @@ pub fn parse(inp: &Input, entry_point: ParserEntryPoint) -> Output {
ParserEntryPoint::Type => grammar::entry_points::type_,
ParserEntryPoint::Pattern => grammar::entry_points::pattern,
ParserEntryPoint::Item => grammar::entry_points::item,
ParserEntryPoint::Block => grammar::entry_points::block_expr,
// ParserEntryPoint::Visibility => grammar::entry_points::visibility,
ParserEntryPoint::MetaItem => grammar::entry_points::meta_item,
ParserEntryPoint::Statement => grammar::entry_points::stmt,
ParserEntryPoint::StatementOptionalSemi => grammar::entry_points::stmt_optional_semi,
ParserEntryPoint::Items => grammar::entry_points::macro_items,
ParserEntryPoint::Statements => grammar::entry_points::macro_stmts,