Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Don't assume plugin-whitelisted attributes are proc macro attributes
closes #40001
- Loading branch information
Showing
3 changed files
with
88 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
66 changes: 66 additions & 0 deletions
66
src/test/run-pass-fulldeps/proc-macro/auxiliary/issue-40001-plugin.rs
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,66 @@ | ||
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
#![feature(box_syntax, plugin, plugin_registrar, rustc_private)] | ||
#![crate_type = "dylib"] | ||
|
||
#[macro_use] | ||
extern crate rustc; | ||
extern crate rustc_plugin; | ||
extern crate syntax; | ||
|
||
use rustc_plugin::Registry; | ||
use syntax::ext::base::*; | ||
use syntax::feature_gate::AttributeType::Whitelisted; | ||
use syntax::symbol::Symbol; | ||
|
||
use rustc::hir; | ||
use rustc::hir::intravisit; | ||
use rustc::hir::map as hir_map; | ||
use rustc::lint::{LateContext, LintPass, LintArray, LateLintPass, LintContext}; | ||
use rustc::ty; | ||
use syntax::{ast, codemap}; | ||
|
||
#[plugin_registrar] | ||
pub fn plugin_registrar(reg: &mut Registry) { | ||
reg.register_late_lint_pass(box MissingWhitelistedAttrPass); | ||
reg.register_attribute("whitelisted_attr".to_string(), Whitelisted); | ||
} | ||
|
||
declare_lint!(MISSING_WHITELISTED_ATTR, Deny, | ||
"Checks for missing `whitelisted_attr` attribute"); | ||
|
||
struct MissingWhitelistedAttrPass; | ||
|
||
impl LintPass for MissingWhitelistedAttrPass { | ||
fn get_lints(&self) -> LintArray { | ||
lint_array!(MISSING_WHITELISTED_ATTR) | ||
} | ||
} | ||
|
||
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for MissingWhitelistedAttrPass { | ||
fn check_fn(&mut self, | ||
cx: &LateContext<'a, 'tcx>, | ||
_: intravisit::FnKind<'tcx>, | ||
_: &'tcx hir::FnDecl, | ||
_: &'tcx hir::Body, | ||
span: codemap::Span, | ||
id: ast::NodeId) { | ||
|
||
let item = match cx.tcx.hir.get(id) { | ||
hir_map::Node::NodeItem(item) => item, | ||
_ => cx.tcx.hir.expect_item(cx.tcx.hir.get_parent(id)), | ||
}; | ||
|
||
if !item.attrs.iter().any(|a| a.check_name("whitelisted_attr")) { | ||
cx.span_lint(MISSING_WHITELISTED_ATTR, span, | ||
"Missing 'whitelited_attr' attribute"); | ||
} | ||
} | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,17 @@ | ||
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
|
||
// aux-build:issue-40001-plugin.rs | ||
|
||
#![feature(proc_macro, plugin)] | ||
#![plugin(issue_40001_plugin)] | ||
|
||
#[whitelisted_attr] | ||
fn main() {} |