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fix: correctly reconstruct raw strings

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This commit is contained in:
Jane Lusby
2018-10-26 09:10:20 -07:00
parent f9020bb2dd
commit 19ac2e94c6
2 changed files with 22 additions and 4 deletions
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12
clippy_lints/src/strings.rs
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@@ -7,7 +7,6 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use crate::rustc::hir::*;
use crate::rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
use crate::rustc::{declare_tool_lint, lint_array};
@@ -164,15 +163,20 @@ impl LintPass for StringLitAsBytes {
impl<'a, 'tcx> LateLintPass<'a, 'tcx> for StringLitAsBytes {
fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, e: &'tcx Expr) {
use crate::syntax::ast::LitKind;
use crate::syntax::ast::{LitKind, StrStyle};
use crate::utils::{in_macro, snippet};
if let ExprKind::MethodCall(ref path, _, ref args) = e.node {
if path.ident.name == "as_bytes" {
if let ExprKind::Lit(ref lit) = args[0].node {
if let LitKind::Str(ref lit_content, _) = lit.node {
if let LitKind::Str(ref lit_content, style) = lit.node {
let callsite = snippet(cx, args[0].span.source_callsite(), r#""foo""#);
let expanded = format!("\"{}\"", lit_content.as_str());
let expanded = if let StrStyle::Raw(n) = style {
let term = (0..n).map(|_| '#').collect::<String>();
format!("r{0}\"{1}\"{0}", term, lit_content.as_str())
} else {
format!("\"{}\"", lit_content.as_str())
};
if callsite.starts_with("include_str!") {
span_lint_and_sugg(
cx,