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| author | Vadim Petrochenkov <vadim.petrochenkov@gmail.com> | 2016-08-15 21:28:17 +0300 |
|---|---|---|
| committer | Vadim Petrochenkov <vadim.petrochenkov@gmail.com> | 2016-08-18 01:33:18 +0300 |
| commit | f6e06a8a365b118937079e3f9c4dfa8f221e7db5 (patch) | |
| tree | b96e5026f26ba96edb9eafbdf9a25dab18164914 /src/libsyntax | |
| parent | 28ed8b159237a2704f2308a404b3bd81b676ce17 (diff) | |
| download | rust-f6e06a8a365b118937079e3f9c4dfa8f221e7db5.tar.gz rust-f6e06a8a365b118937079e3f9c4dfa8f221e7db5.zip | |
Split `AstBuilder::pat_enum` into `pat_tuple_struct` and `pat_path`
Diffstat (limited to 'src/libsyntax')
| -rw-r--r-- | src/libsyntax/ext/build.rs | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/src/libsyntax/ext/build.rs b/src/libsyntax/ext/build.rs index 7600bff9695..507e46ea59e 100644 --- a/src/libsyntax/ext/build.rs +++ b/src/libsyntax/ext/build.rs @@ -171,9 +171,11 @@ pub trait AstBuilder { span: Span, ident: ast::Ident, bm: ast::BindingMode) -> P<ast::Pat>; - fn pat_enum(&self, span: Span, path: ast::Path, subpats: Vec<P<ast::Pat>> ) -> P<ast::Pat>; - fn pat_struct(&self, span: Span, - path: ast::Path, field_pats: Vec<Spanned<ast::FieldPat>> ) -> P<ast::Pat>; + fn pat_path(&self, span: Span, path: ast::Path) -> P<ast::Pat>; + fn pat_tuple_struct(&self, span: Span, path: ast::Path, + subpats: Vec<P<ast::Pat>>) -> P<ast::Pat>; + fn pat_struct(&self, span: Span, path: ast::Path, + field_pats: Vec<Spanned<ast::FieldPat>>) -> P<ast::Pat>; fn pat_tuple(&self, span: Span, pats: Vec<P<ast::Pat>>) -> P<ast::Pat>; fn pat_some(&self, span: Span, pat: P<ast::Pat>) -> P<ast::Pat>; @@ -802,10 +804,10 @@ impl<'a> AstBuilder for ExtCtxt<'a> { let binding_expr = self.expr_ident(sp, binding_variable); // Ok(__try_var) pattern - let ok_pat = self.pat_enum(sp, ok_path, vec!(binding_pat.clone())); + let ok_pat = self.pat_tuple_struct(sp, ok_path, vec![binding_pat.clone()]); // Err(__try_var) (pattern and expression resp.) - let err_pat = self.pat_enum(sp, err_path.clone(), vec!(binding_pat)); + let err_pat = self.pat_tuple_struct(sp, err_path.clone(), vec![binding_pat]); let err_inner_expr = self.expr_call(sp, self.expr_path(err_path), vec!(binding_expr.clone())); // return Err(__try_var) @@ -842,18 +844,16 @@ impl<'a> AstBuilder for ExtCtxt<'a> { let pat = PatKind::Ident(bm, Spanned{span: span, node: ident}, None); self.pat(span, pat) } - fn pat_enum(&self, span: Span, path: ast::Path, subpats: Vec<P<ast::Pat>>) -> P<ast::Pat> { - let pat = if subpats.is_empty() { - PatKind::Struct(path, Vec::new(), false) - } else { - PatKind::TupleStruct(path, subpats, None) - }; - self.pat(span, pat) + fn pat_path(&self, span: Span, path: ast::Path) -> P<ast::Pat> { + self.pat(span, PatKind::Path(None, path)) } - fn pat_struct(&self, span: Span, - path: ast::Path, field_pats: Vec<Spanned<ast::FieldPat>>) -> P<ast::Pat> { - let pat = PatKind::Struct(path, field_pats, false); - self.pat(span, pat) + fn pat_tuple_struct(&self, span: Span, path: ast::Path, + subpats: Vec<P<ast::Pat>>) -> P<ast::Pat> { + self.pat(span, PatKind::TupleStruct(path, subpats, None)) + } + fn pat_struct(&self, span: Span, path: ast::Path, + field_pats: Vec<Spanned<ast::FieldPat>>) -> P<ast::Pat> { + self.pat(span, PatKind::Struct(path, field_pats, false)) } fn pat_tuple(&self, span: Span, pats: Vec<P<ast::Pat>>) -> P<ast::Pat> { self.pat(span, PatKind::Tuple(pats, None)) @@ -862,25 +862,25 @@ impl<'a> AstBuilder for ExtCtxt<'a> { fn pat_some(&self, span: Span, pat: P<ast::Pat>) -> P<ast::Pat> { let some = self.std_path(&["option", "Option", "Some"]); let path = self.path_global(span, some); - self.pat_enum(span, path, vec!(pat)) + self.pat_tuple_struct(span, path, vec![pat]) } fn pat_none(&self, span: Span) -> P<ast::Pat> { let some = self.std_path(&["option", "Option", "None"]); let path = self.path_global(span, some); - self.pat_enum(span, path, vec!()) + self.pat_path(span, path) } fn pat_ok(&self, span: Span, pat: P<ast::Pat>) -> P<ast::Pat> { let some = self.std_path(&["result", "Result", "Ok"]); let path = self.path_global(span, some); - self.pat_enum(span, path, vec!(pat)) + self.pat_tuple_struct(span, path, vec![pat]) } fn pat_err(&self, span: Span, pat: P<ast::Pat>) -> P<ast::Pat> { let some = self.std_path(&["result", "Result", "Err"]); let path = self.path_global(span, some); - self.pat_enum(span, path, vec!(pat)) + self.pat_tuple_struct(span, path, vec![pat]) } fn arm(&self, _span: Span, pats: Vec<P<ast::Pat>>, expr: P<ast::Expr>) -> ast::Arm { |
