Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-08-02 12:10:29 +01:00
Code Issues Projects Releases Packages Wiki Activity

Remove the casing plugin

Browse source
This commit is contained in:
Anthony Ramine 2016-02-04 17:13:14 +01:00
parent 2a6707ce58
commit dcfb091594
2 changed files with 2 additions and 63 deletions
Download patch file Download diff file Expand all files Collapse all files

59
components/plugins/casing.rs
View file

@ -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)
}
}
}

6
components/plugins/lib.rs
View file

@ -39,9 +39,9 @@ pub mod jstraceable;
pub mod lints;
/// Autogenerates implementations of Reflectable on DOM structs
pub mod reflector;
/// Utilities for writing plugins
pub mod casing;
/// The `url!` plugin.
mod url_plugin;
/// Utilities for writing plugins
pub mod utils;
#[plugin_registrar]
@ -49,8 +49,6 @@ pub fn plugin_registrar(reg: &mut Registry) {
reg.register_syntax_extension(intern("dom_struct"), MultiModifier(box jstraceable::expand_dom_struct));
reg.register_syntax_extension(intern("derive_JSTraceable"), MultiDecorator(box jstraceable::expand_jstraceable));
reg.register_syntax_extension(intern("_generate_reflector"), MultiDecorator(box reflector::expand_reflector));
reg.register_macro("to_lower", casing::expand_lower);
reg.register_macro("to_upper", casing::expand_upper);
reg.register_macro("url", url_plugin::expand_url);
reg.register_late_lint_pass(box lints::transmute_type::TransmutePass);
reg.register_late_lint_pass(box lints::unrooted_must_root::UnrootedPass::new());