mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix breakage from rust-lang/rust#52949

Browse Source
This commit is contained in:
Alex Crichton 2018-08-02 13:00:14 -07:00
parent f43d0e53b2
commit 40349b23ea
2 changed files with 4 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
clippy_lints/src/redundant_field_names.rs
View File

@ -1,7 +1,7 @@
use rustc::lint::*;
use rustc::{declare_lint, lint_array};
use rustc::hir::*;
use crate::utils::{in_macro, is_range_expression, match_var, span_lint_and_sugg};
use crate::utils::{in_macro, match_var, span_lint_and_sugg};
/// **What it does:** Checks for fields in struct literals where shorthands
/// could be used.
@ -40,7 +40,7 @@ fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
// Ignore all macros including range expressions.
// They can have redundant field names when expanded.
// e.g. range expression `start..end` is desugared to `Range { start: start, end: end }`
if in_macro(expr.span) || is_range_expression(expr.span) {
if in_macro(expr.span) {
return;
}

20
clippy_lints/src/utils/mod.rs
View File

@ -19,7 +19,7 @@
use std::rc::Rc;
use syntax::ast::{self, LitKind};
use syntax::attr;
use syntax::codemap::{CompilerDesugaringKind, ExpnFormat, Span, DUMMY_SP};
use syntax::codemap::{Span, DUMMY_SP};
use syntax::errors::DiagnosticBuilder;
use syntax::ptr::P;
use syntax::symbol::keywords;
@ -58,23 +58,7 @@ pub fn in_constant(cx: &LateContext<'_, '_>, id: NodeId) -> bool {
/// Returns true if this `expn_info` was expanded by any macro.
pub fn in_macro(span: Span) -> bool {
span.ctxt().outer().expn_info().map_or(false, |info| {
match info.format {
// don't treat range expressions desugared to structs as "in_macro"
ExpnFormat::CompilerDesugaring(kind) => kind != CompilerDesugaringKind::DotFill,
_ => true,
}
})
}
/// Returns true if `expn_info` was expanded by range expressions.
pub fn is_range_expression(span: Span) -> bool {
span.ctxt().outer().expn_info().map_or(false, |info| {
match info.format {
ExpnFormat::CompilerDesugaring(CompilerDesugaringKind::DotFill) => true,
_ => false,
}
})
span.ctxt().outer().expn_info().is_some()
}
/// Check if a `DefId`'s path matches the given absolute type path usage.