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Remove the casing plugin
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parent
2a6707ce58
commit
dcfb091594
2 changed files with 2 additions and 63 deletions
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@ -1,59 +0,0 @@
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use syntax::ast;
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use syntax::codemap::Span;
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use syntax::ext::base;
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use syntax::ext::base::ExtCtxt;
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use syntax::ext::build::AstBuilder;
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use syntax::parse::token;
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pub fn expand_lower<'cx>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenTree])
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-> Box<base::MacResult + 'cx> {
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expand_cased(cx, sp, tts, |s| { s.to_lowercase() })
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}
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pub fn expand_upper<'cx>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenTree])
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-> Box<base::MacResult + 'cx> {
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expand_cased(cx, sp, tts, |s| { s.to_uppercase() })
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}
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fn expand_cased<'cx, T>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[ast::TokenTree], transform: T)
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-> Box<base::MacResult + 'cx>
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where T: Fn(&str) -> String
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{
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let es = match base::get_exprs_from_tts(cx, sp, tts) {
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Some(e) => e,
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None => return base::DummyResult::expr(sp)
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};
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let mut it = es.iter();
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let res = if let Some(expr) = it.next() {
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if let ast::ExprLit(ref lit) = expr.node {
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if let ast::LitStr(ref s, _) = lit.node {
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Some((s, lit.span))
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} else {
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cx.span_err(expr.span, "expected a string literal");
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None
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}
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} else {
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cx.span_err(expr.span, "expected a string literal");
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None
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}
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} else {
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cx.span_err(sp, "expected 1 argument, found 0");
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None
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};
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match (res, it.count()) {
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(Some((s, span)), 0) => {
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base::MacEager::expr(cx.expr_str(span, token::intern_and_get_ident(&transform(&s))))
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}
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(_, rest) => {
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if rest > 0 {
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cx.span_err(sp, &format!("expected 1 argument, found {}", rest + 1));
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}
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base::DummyResult::expr(sp)
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}
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}
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}
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@ -39,9 +39,9 @@ pub mod jstraceable;
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pub mod lints;
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/// Autogenerates implementations of Reflectable on DOM structs
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pub mod reflector;
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/// Utilities for writing plugins
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pub mod casing;
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/// The `url!` plugin.
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mod url_plugin;
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/// Utilities for writing plugins
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pub mod utils;
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#[plugin_registrar]
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@ -49,8 +49,6 @@ pub fn plugin_registrar(reg: &mut Registry) {
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reg.register_syntax_extension(intern("dom_struct"), MultiModifier(box jstraceable::expand_dom_struct));
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reg.register_syntax_extension(intern("derive_JSTraceable"), MultiDecorator(box jstraceable::expand_jstraceable));
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reg.register_syntax_extension(intern("_generate_reflector"), MultiDecorator(box reflector::expand_reflector));
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reg.register_macro("to_lower", casing::expand_lower);
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reg.register_macro("to_upper", casing::expand_upper);
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reg.register_macro("url", url_plugin::expand_url);
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reg.register_late_lint_pass(box lints::transmute_type::TransmutePass);
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reg.register_late_lint_pass(box lints::unrooted_must_root::UnrootedPass::new());
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