09d3c7ef66
<s>DO NOT r+ or try+ this</s> <s>It causes an OOM (https://github.com/rust-lang/rust/issues/29740) and can crash the OS. Probably will set our CI on fire. </s> Source-Repo: https://github.com/servo/servo Source-Revision: f13c72d68e1e7f49e241938bfd6e8a588c68e86b
46 lines
1.6 KiB
Rust
46 lines
1.6 KiB
Rust
/* 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 rustc::lint::{LateContext, LintPass, LintArray, LateLintPass, LintContext};
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use rustc_front::hir;
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use syntax::ast;
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use syntax::attr::AttrMetaMethods;
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declare_lint!(PRIVATIZE, Deny,
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"Allows to enforce private fields for struct definitions");
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/// Lint for keeping DOM fields private
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///
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/// This lint (disable with `-A privatize`/`#[allow(privatize)]`) ensures all types marked with `#[privatize]`
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/// have no public fields
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pub struct PrivatizePass;
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impl LintPass for PrivatizePass {
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fn get_lints(&self) -> LintArray {
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lint_array!(PRIVATIZE)
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}
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}
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impl LateLintPass for PrivatizePass {
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fn check_struct_def(&mut self,
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cx: &LateContext,
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def: &hir::VariantData,
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_n: ast::Name,
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_gen: &hir::Generics,
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id: ast::NodeId) {
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if cx.tcx.has_attr(cx.tcx.map.local_def_id(id), "privatize") {
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for field in def.fields() {
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match field.node {
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hir::StructField_ { kind: hir::NamedField(name, visibility), .. } if visibility == hir::Public => {
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cx.span_lint(PRIVATIZE, field.span,
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&format!("Field {} is public where only private fields are allowed",
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name));
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}
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_ => {}
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}
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}
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}
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}
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}
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