Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/syntax/src/ast/make.rs')
| -rw-r--r-- | crates/syntax/src/ast/make.rs | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/crates/syntax/src/ast/make.rs b/crates/syntax/src/ast/make.rs index 9fe08c5904..596f73e0b1 100644 --- a/crates/syntax/src/ast/make.rs +++ b/crates/syntax/src/ast/make.rs @@ -709,7 +709,7 @@ pub fn wildcard_pat() -> ast::WildcardPat { } pub fn rest_pat() -> ast::RestPat { - ast_from_text("fn f(..)") + ast_from_text("fn f() { let ..; }") } pub fn literal_pat(lit: &str) -> ast::LiteralPat { @@ -788,8 +788,8 @@ pub fn record_pat_field(name_ref: ast::NameRef, pat: ast::Pat) -> ast::RecordPat ast_from_text(&format!("fn f(S {{ {name_ref}: {pat} }}: ()))")) } -pub fn record_pat_field_shorthand(name_ref: ast::NameRef) -> ast::RecordPatField { - ast_from_text(&format!("fn f(S {{ {name_ref} }}: ()))")) +pub fn record_pat_field_shorthand(pat: ast::Pat) -> ast::RecordPatField { + ast_from_text(&format!("fn f(S {{ {pat} }}: ()))")) } /// Returns a `IdentPat` if the path has just one segment, a `PathPat` otherwise. @@ -801,16 +801,38 @@ pub fn path_pat(path: ast::Path) -> ast::Pat { } /// Returns a `Pat` if the path has just one segment, an `OrPat` otherwise. -pub fn or_pat(pats: impl IntoIterator<Item = ast::Pat>, leading_pipe: bool) -> ast::Pat { +/// +/// Invariant: `pats` must be length > 1. +pub fn or_pat(pats: impl IntoIterator<Item = ast::Pat>, leading_pipe: bool) -> ast::OrPat { let leading_pipe = if leading_pipe { "| " } else { "" }; let pats = pats.into_iter().join(" | "); return from_text(&format!("{leading_pipe}{pats}")); - fn from_text(text: &str) -> ast::Pat { + fn from_text(text: &str) -> ast::OrPat { ast_from_text(&format!("fn f({text}: ())")) } } +pub fn box_pat(pat: ast::Pat) -> ast::BoxPat { + ast_from_text(&format!("fn f(box {pat}: ())")) +} + +pub fn paren_pat(pat: ast::Pat) -> ast::ParenPat { + ast_from_text(&format!("fn f(({pat}): ())")) +} + +pub fn range_pat(start: Option<ast::Pat>, end: Option<ast::Pat>) -> ast::RangePat { + ast_from_text(&format!( + "fn f({}..{}: ())", + start.map(|e| e.to_string()).unwrap_or_default(), + end.map(|e| e.to_string()).unwrap_or_default() + )) +} + +pub fn ref_pat(pat: ast::Pat) -> ast::RefPat { + ast_from_text(&format!("fn f(&{pat}: ())")) +} + pub fn match_arm(pat: ast::Pat, guard: Option<ast::MatchGuard>, expr: ast::Expr) -> ast::MatchArm { return match guard { Some(guard) => from_text(&format!("{pat} {guard} => {expr}")), |