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authorbors[bot] <bors[bot]@users.noreply.github.com>2018-12-29 12:50:34 +0000
committerbors[bot] <bors[bot]@users.noreply.github.com>2018-12-29 12:50:34 +0000
commit4a3d6aa26a1c71dadc91f37f9d5f8662b51c138a (patch)
tree5877d2665edf70dcc3398f90dffd11dc85aa37b8
parent9220641ba4d3c7a95db7355d9999da54d455607c (diff)
parentb67a4e7a57f5569de0de67d625b02378866ac3ec (diff)
Merge #356
356: Fix a bug in char literal validation discovered through fuzzing r=matklad a=DJMcNab We also add a Cargo.lock to the fuzzing directory, as that isn't gitignored automatically, so I imagine it should be committed. Co-authored-by: DJMcNab <[email protected]>
Diffstat
-rw-r--r--crates/ra_syntax/fuzz/Cargo.lock530
-rw-r--r--crates/ra_syntax/src/string_lexing/parser.rs2
-rw-r--r--crates/ra_syntax/src/validation/char.rs2
-rw-r--r--crates/ra_syntax/tests/data/parser/fuzz-failures/0002.rs1
4 files changed, 533 insertions, 2 deletions
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
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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> {
82 82
83 fn parse_escape(&mut self, start: TextUnit) -> StringComponent { 83 fn parse_escape(&mut self, start: TextUnit) -> StringComponent {
84 if self.peek().is_none() { 84 if self.peek().is_none() {
85 return StringComponent::new(TextRange::from_to(start, start), AsciiEscape); 85 return StringComponent::new(TextRange::from_to(start, self.get_pos()), AsciiEscape);
86 } 86 }
87 87
88 let next = self.advance(); 88 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(
70 70
71fn validate_ascii_escape(text: &str, range: TextRange, errors: &mut Vec<SyntaxError>) { 71fn validate_ascii_escape(text: &str, range: TextRange, errors: &mut Vec<SyntaxError>) {
72 if text.len() == 1 { 72 if text.len() == 1 {
73 // Escape sequence consists only of leading `\` 73 // Escape sequence consists only of leading `\` (only occurs at EOF, otherwise e.g. '\' is treated as an unclosed char containing a single quote `'`)
74 errors.push(SyntaxError::new(EmptyAsciiEscape, range)); 74 errors.push(SyntaxError::new(EmptyAsciiEscape, range));
75 } else { 75 } else {
76 let escape_code = text.chars().skip(1).next().unwrap(); 76 let escape_code = text.chars().skip(1).next().unwrap();
diff --git a/crates/ra_syntax/tests/data/parser/fuzz-failures/0002.rs b/crates/ra_syntax/tests/data/parser/fuzz-failures/0002.rs
new file mode 100644
index 000000000..f35dc7289
--- /dev/null
+++ b/crates/ra_syntax/tests/data/parser/fuzz-failures/0002.rs
@@ -0,0 +1 @@
!('\ \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 06:27:09 +0000