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author | Anthony Ramine <n.oxyde@gmail.com> | 2016-02-04 17:13:14 +0100 |
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committer | Anthony Ramine <n.oxyde@gmail.com> | 2016-02-05 00:42:03 +0100 |
commit | dcfb0915946aff54b01b6040427e56a66d82cb93 (patch) | |
tree | b7daeb26ba4143aa40b24314b56a2c1d4a98d175 /components/plugins/casing.rs | |
parent | 2a6707ce58df27d93e865bffb6b44d396b810c99 (diff) | |
download | servo-dcfb0915946aff54b01b6040427e56a66d82cb93.tar.gz servo-dcfb0915946aff54b01b6040427e56a66d82cb93.zip |
Remove the casing plugin
Diffstat (limited to 'components/plugins/casing.rs')
-rw-r--r-- | components/plugins/casing.rs | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/components/plugins/casing.rs b/components/plugins/casing.rs deleted file mode 100644 index 8a535cabf00..00000000000 --- a/components/plugins/casing.rs +++ /dev/null @@ -1,59 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -use syntax::ast; -use syntax::codemap::Span; -use syntax::ext::base; -use syntax::ext::base::ExtCtxt; -use syntax::ext::build::AstBuilder; -use syntax::parse::token; - -pub fn expand_lower<'cx>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenTree]) - -> Box<base::MacResult + 'cx> { - expand_cased(cx, sp, tts, |s| { s.to_lowercase() }) -} - -pub fn expand_upper<'cx>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenTree]) - -> Box<base::MacResult + 'cx> { - expand_cased(cx, sp, tts, |s| { s.to_uppercase() }) -} - -fn expand_cased<'cx, T>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenTree], transform: T) - -> Box<base::MacResult + 'cx> - where T: Fn(&str) -> String -{ - let es = match base::get_exprs_from_tts(cx, sp, tts) { - Some(e) => e, - None => return base::DummyResult::expr(sp) - }; - - let mut it = es.iter(); - let res = if let Some(expr) = it.next() { - if let ast::ExprLit(ref lit) = expr.node { - if let ast::LitStr(ref s, _) = lit.node { - Some((s, lit.span)) - } else { - cx.span_err(expr.span, "expected a string literal"); - None - } - } else { - cx.span_err(expr.span, "expected a string literal"); - None - } - } else { - cx.span_err(sp, "expected 1 argument, found 0"); - None - }; - match (res, it.count()) { - (Some((s, span)), 0) => { - base::MacEager::expr(cx.expr_str(span, token::intern_and_get_ident(&transform(&s)))) - } - (_, rest) => { - if rest > 0 { - cx.span_err(sp, &format!("expected 1 argument, found {}", rest + 1)); - } - base::DummyResult::expr(sp) - } - } -} |