From 054f22f2312b60c8545386dadc712706323945b6 Mon Sep 17 00:00:00 2001
From: DJMcNab <36049421+DJMcNab@users.noreply.github.com>
Date: Sat, 29 Dec 2018 12:40:08 +0000
Subject: Fix a fuzzing bug and add Cargo.lock to the fuzzing directory

---
 crates/ra_syntax/fuzz/Cargo.lock             | 530 +++++++++++++++++++++++++++
 crates/ra_syntax/src/string_lexing/parser.rs |   2 +-
 crates/ra_syntax/src/validation/char.rs      |   2 +-
 3 files changed, 532 insertions(+), 2 deletions(-)
 create mode 100644 crates/ra_syntax/fuzz/Cargo.lock

(limited to 'crates')

diff --git a/crates/ra_syntax/fuzz/Cargo.lock b/crates/ra_syntax/fuzz/Cargo.lock
new file mode 100644
index 000000000..e68fe7f61
--- /dev/null
+++ b/crates/ra_syntax/fuzz/Cargo.lock
@@ -0,0 +1,530 @@
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diff --git a/crates/ra_syntax/src/string_lexing/parser.rs b/crates/ra_syntax/src/string_lexing/parser.rs
index 14c6015c2..e835382fc 100644
--- a/crates/ra_syntax/src/string_lexing/parser.rs
+++ b/crates/ra_syntax/src/string_lexing/parser.rs
@@ -82,7 +82,7 @@ impl<'a> Parser<'a> {
 
     fn parse_escape(&mut self, start: TextUnit) -> StringComponent {
         if self.peek().is_none() {
-            return StringComponent::new(TextRange::from_to(start, start), AsciiEscape);
+            return StringComponent::new(TextRange::from_to(start, self.get_pos()), AsciiEscape);
         }
 
         let next = self.advance();
diff --git a/crates/ra_syntax/src/validation/char.rs b/crates/ra_syntax/src/validation/char.rs
index 19cd3830f..10d3d1dec 100644
--- a/crates/ra_syntax/src/validation/char.rs
+++ b/crates/ra_syntax/src/validation/char.rs
@@ -70,7 +70,7 @@ pub(super) fn validate_char_component(
 
 fn validate_ascii_escape(text: &str, range: TextRange, errors: &mut Vec<SyntaxError>) {
     if text.len() == 1 {
-        // Escape sequence consists only of leading `\`
+        // Escape sequence consists only of leading `\` (only occurs at EOF, otherwise e.g. '\' is treated as an unclosed char containing a single quote `'`)
         errors.push(SyntaxError::new(EmptyAsciiEscape, range));
     } else {
         let escape_code = text.chars().skip(1).next().unwrap();
-- 
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