From cd4ffc1945a3a1ca89776e9abdcd60b1896f356c Mon Sep 17 00:00:00 2001
From: Julian Wollersberger
 <24991778+Julian-Wollersberger@users.noreply.github.com>
Date: Sun, 24 May 2020 13:12:16 +0200
Subject: Update to rustc_lexer version 660. Change `unescape_*()` to
 `unescape_literal()`.

---
 crates/ra_syntax/Cargo.toml        |  2 +-
 crates/ra_syntax/src/ast/tokens.rs |  5 +++--
 crates/ra_syntax/src/validation.rs | 16 ++++++++--------
 3 files changed, 12 insertions(+), 11 deletions(-)

(limited to 'crates')

diff --git a/crates/ra_syntax/Cargo.toml b/crates/ra_syntax/Cargo.toml
index c07ff488e..a9a5cc7bc 100644
--- a/crates/ra_syntax/Cargo.toml
+++ b/crates/ra_syntax/Cargo.toml
@@ -13,7 +13,7 @@ doctest = false
 [dependencies]
 itertools = "0.9.0"
 rowan = "0.10.0"
-rustc_lexer = { version = "656.0.0", package = "rustc-ap-rustc_lexer" }
+rustc_lexer = { version = "660.0.0", package = "rustc-ap-rustc_lexer" }
 rustc-hash = "1.1.0"
 arrayvec = "0.5.1"
 once_cell = "1.3.1"
diff --git a/crates/ra_syntax/src/ast/tokens.rs b/crates/ra_syntax/src/ast/tokens.rs
index 74906d8a6..3cd6d99c3 100644
--- a/crates/ra_syntax/src/ast/tokens.rs
+++ b/crates/ra_syntax/src/ast/tokens.rs
@@ -6,6 +6,7 @@ use crate::{
     ast::{AstToken, Comment, RawString, String, Whitespace},
     TextRange, TextSize,
 };
+use rustc_lexer::unescape::{unescape_literal, Mode};
 
 impl Comment {
     pub fn kind(&self) -> CommentKind {
@@ -147,7 +148,7 @@ impl HasStringValue for String {
 
         let mut buf = std::string::String::with_capacity(text.len());
         let mut has_error = false;
-        rustc_lexer::unescape::unescape_str(text, &mut |_, unescaped_char| match unescaped_char {
+        unescape_literal(text, Mode::Str, &mut |_, unescaped_char| match unescaped_char {
             Ok(c) => buf.push(c),
             Err(_) => has_error = true,
         });
@@ -498,7 +499,7 @@ impl HasFormatSpecifier for String {
         let offset = self.text_range_between_quotes()?.start() - self.syntax().text_range().start();
 
         let mut res = Vec::with_capacity(text.len());
-        rustc_lexer::unescape::unescape_str(text, &mut |range, unescaped_char| {
+        unescape_literal(text, Mode::Str, &mut |range, unescaped_char| {
             res.push((
                 TextRange::new(range.start.try_into().unwrap(), range.end.try_into().unwrap())
                     + offset,
diff --git a/crates/ra_syntax/src/validation.rs b/crates/ra_syntax/src/validation.rs
index d68cf0a82..436ab033d 100644
--- a/crates/ra_syntax/src/validation.rs
+++ b/crates/ra_syntax/src/validation.rs
@@ -2,15 +2,15 @@
 
 mod block;
 
-use std::convert::TryFrom;
-
-use rustc_lexer::unescape;
-
 use crate::{
     ast, match_ast, AstNode, SyntaxError,
     SyntaxKind::{BYTE, BYTE_STRING, CHAR, CONST_DEF, FN_DEF, INT_NUMBER, STRING, TYPE_ALIAS_DEF},
     SyntaxNode, SyntaxToken, TextSize, T,
 };
+use rustc_lexer::unescape::{
+    self, unescape_byte, unescape_byte_literal, unescape_char, unescape_literal, Mode,
+};
+use std::convert::TryFrom;
 
 fn rustc_unescape_error_to_string(err: unescape::EscapeError) -> &'static str {
     use unescape::EscapeError as EE;
@@ -121,18 +121,18 @@ fn validate_literal(literal: ast::Literal, acc: &mut Vec<SyntaxError>) {
 
     match token.kind() {
         BYTE => {
-            if let Some(Err(e)) = unquote(text, 2, '\'').map(unescape::unescape_byte) {
+            if let Some(Err(e)) = unquote(text, 2, '\'').map(unescape_byte) {
                 push_err(2, e);
             }
         }
         CHAR => {
-            if let Some(Err(e)) = unquote(text, 1, '\'').map(unescape::unescape_char) {
+            if let Some(Err(e)) = unquote(text, 1, '\'').map(unescape_char) {
                 push_err(1, e);
             }
         }
         BYTE_STRING => {
             if let Some(without_quotes) = unquote(text, 2, '"') {
-                unescape::unescape_byte_str(without_quotes, &mut |range, char| {
+                unescape_byte_literal(without_quotes, Mode::ByteStr, &mut |range, char| {
                     if let Err(err) = char {
                         push_err(2, (range.start, err));
                     }
@@ -141,7 +141,7 @@ fn validate_literal(literal: ast::Literal, acc: &mut Vec<SyntaxError>) {
         }
         STRING => {
             if let Some(without_quotes) = unquote(text, 1, '"') {
-                unescape::unescape_str(without_quotes, &mut |range, char| {
+                unescape_literal(without_quotes, Mode::Str, &mut |range, char| {
                     if let Err(err) = char {
                         push_err(1, (range.start, err));
                     }
-- 
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