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Improved error recovery for unclosed strings (including f- and t-strings) (#20848)

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Micha Reiser 2025-10-15 09:50:56 +02:00 • committed by GitHub
parent a93618ed23
commit 4fc7dd300c
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151 changed files with 1370 additions and 566 deletions
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4
crates/ruff_linter/resources/test/fixtures/flake8_implicit_str_concat/ISC_syntax_error.py vendored
View file

@ -1,10 +1,10 @@
# The lexer doesn't emit a string token if it's unterminated
# The lexer emits a string token if it's unterminated
"a" "b
"a" "b" "c
"a" """b
c""" "d
# For f-strings, the `FStringRanges` won't contain the range for
# This is also true for
# unterminated f-strings.
f"a" f"b
f"a" f"b" f"c

77
crates/ruff_linter/src/rules/flake8_implicit_str_concat/snapshots/ruff_linter__rules__flake8_implicit_str_concat__tests__ISC001_ISC_syntax_error.py.snap
View file

@ -1,22 +1,23 @@
---
source: crates/ruff_linter/src/rules/flake8_implicit_str_concat/mod.rs
---
invalid-syntax: missing closing quote in string literal
--> ISC_syntax_error.py:2:5
ISC001 Implicitly concatenated string literals on one line
--> ISC_syntax_error.py:2:1
|
1 | # The lexer doesn't emit a string token if it's unterminated
1 | # The lexer emits a string token if it's unterminated
2 | "a" "b
| ^^
| ^^^^^^
3 | "a" "b" "c
4 | "a" """b
|
help: Combine string literals
invalid-syntax: Expected a statement
--> ISC_syntax_error.py:2:7
invalid-syntax: missing closing quote in string literal
--> ISC_syntax_error.py:2:5
|
1 | # The lexer doesn't emit a string token if it's unterminated
1 | # The lexer emits a string token if it's unterminated
2 | "a" "b
| ^
| ^^
3 | "a" "b" "c
4 | "a" """b
|
@ -24,7 +25,7 @@ invalid-syntax: Expected a statement
ISC001 Implicitly concatenated string literals on one line
--> ISC_syntax_error.py:3:1
|
1 | # The lexer doesn't emit a string token if it's unterminated
1 | # The lexer emits a string token if it's unterminated
2 | "a" "b
3 | "a" "b" "c
| ^^^^^^^
@ -33,24 +34,25 @@ ISC001 Implicitly concatenated string literals on one line
|
help: Combine string literals
invalid-syntax: missing closing quote in string literal
--> ISC_syntax_error.py:3:9
ISC001 Implicitly concatenated string literals on one line
--> ISC_syntax_error.py:3:5
|
1 | # The lexer doesn't emit a string token if it's unterminated
1 | # The lexer emits a string token if it's unterminated
2 | "a" "b
3 | "a" "b" "c
| ^^
| ^^^^^^
4 | "a" """b
5 | c""" "d
|
help: Combine string literals
invalid-syntax: Expected a statement
--> ISC_syntax_error.py:3:11
invalid-syntax: missing closing quote in string literal
--> ISC_syntax_error.py:3:9
|
1 | # The lexer doesn't emit a string token if it's unterminated
1 | # The lexer emits a string token if it's unterminated
2 | "a" "b
3 | "a" "b" "c
| ^
| ^^
4 | "a" """b
5 | c""" "d
|
@ -64,7 +66,21 @@ ISC001 Implicitly concatenated string literals on one line
5 | | c""" "d
| |____^
6 |
7 | # For f-strings, the `FStringRanges` won't contain the range for
7 | # This is also true for
|
help: Combine string literals
ISC001 Implicitly concatenated string literals on one line
--> ISC_syntax_error.py:4:5
|
2 | "a" "b
3 | "a" "b" "c
4 | "a" """b
| _____^
5 | | c""" "d
| |_______^
6 |
7 | # This is also true for
|
help: Combine string literals
@ -76,24 +92,13 @@ invalid-syntax: missing closing quote in string literal
5 | c""" "d
| ^^
6 |
7 | # For f-strings, the `FStringRanges` won't contain the range for
|
invalid-syntax: Expected a statement
--> ISC_syntax_error.py:5:8
|
3 | "a" "b" "c
4 | "a" """b
5 | c""" "d
| ^
6 |
7 | # For f-strings, the `FStringRanges` won't contain the range for
7 | # This is also true for
|
invalid-syntax: f-string: unterminated string
--> ISC_syntax_error.py:9:8
|
7 | # For f-strings, the `FStringRanges` won't contain the range for
7 | # This is also true for
8 | # unterminated f-strings.
9 | f"a" f"b
| ^
@ -104,7 +109,7 @@ invalid-syntax: f-string: unterminated string
invalid-syntax: Expected FStringEnd, found newline
--> ISC_syntax_error.py:9:9
|
7 | # For f-strings, the `FStringRanges` won't contain the range for
7 | # This is also true for
8 | # unterminated f-strings.
9 | f"a" f"b
| ^
@ -183,14 +188,6 @@ invalid-syntax: f-string: unterminated triple-quoted string
| |__^
|
invalid-syntax: unexpected EOF while parsing
--> ISC_syntax_error.py:30:1
|
28 | "i" "j"
29 | )
| ^
|
invalid-syntax: f-string: unterminated string
--> ISC_syntax_error.py:30:1
|

50
crates/ruff_linter/src/rules/flake8_implicit_str_concat/snapshots/ruff_linter__rules__flake8_implicit_str_concat__tests__ISC002_ISC_syntax_error.py.snap
View file

@ -4,27 +4,17 @@ source: crates/ruff_linter/src/rules/flake8_implicit_str_concat/mod.rs
invalid-syntax: missing closing quote in string literal
--> ISC_syntax_error.py:2:5
|
1 | # The lexer doesn't emit a string token if it's unterminated
1 | # The lexer emits a string token if it's unterminated
2 | "a" "b
| ^^
3 | "a" "b" "c
4 | "a" """b
|
invalid-syntax: Expected a statement
--> ISC_syntax_error.py:2:7
|
1 | # The lexer doesn't emit a string token if it's unterminated
2 | "a" "b
| ^
3 | "a" "b" "c
4 | "a" """b
|
invalid-syntax: missing closing quote in string literal
--> ISC_syntax_error.py:3:9
|
1 | # The lexer doesn't emit a string token if it's unterminated
1 | # The lexer emits a string token if it's unterminated
2 | "a" "b
3 | "a" "b" "c
| ^^
@ -32,17 +22,6 @@ invalid-syntax: missing closing quote in string literal
5 | c""" "d
|
invalid-syntax: Expected a statement
--> ISC_syntax_error.py:3:11
|
1 | # The lexer doesn't emit a string token if it's unterminated
2 | "a" "b
3 | "a" "b" "c
| ^
4 | "a" """b
5 | c""" "d
|
invalid-syntax: missing closing quote in string literal
--> ISC_syntax_error.py:5:6
|
@ -51,24 +30,13 @@ invalid-syntax: missing closing quote in string literal
5 | c""" "d
| ^^
6 |
7 | # For f-strings, the `FStringRanges` won't contain the range for
|
invalid-syntax: Expected a statement
--> ISC_syntax_error.py:5:8
|
3 | "a" "b" "c
4 | "a" """b
5 | c""" "d
| ^
6 |
7 | # For f-strings, the `FStringRanges` won't contain the range for
7 | # This is also true for
|
invalid-syntax: f-string: unterminated string
--> ISC_syntax_error.py:9:8
|
7 | # For f-strings, the `FStringRanges` won't contain the range for
7 | # This is also true for
8 | # unterminated f-strings.
9 | f"a" f"b
| ^
@ -79,7 +47,7 @@ invalid-syntax: f-string: unterminated string
invalid-syntax: Expected FStringEnd, found newline
--> ISC_syntax_error.py:9:9
|
7 | # For f-strings, the `FStringRanges` won't contain the range for
7 | # This is also true for
8 | # unterminated f-strings.
9 | f"a" f"b
| ^
@ -133,14 +101,6 @@ invalid-syntax: f-string: unterminated triple-quoted string
| |__^
|
invalid-syntax: unexpected EOF while parsing
--> ISC_syntax_error.py:30:1
|
28 | "i" "j"
29 | )
| ^
|
invalid-syntax: f-string: unterminated string
--> ISC_syntax_error.py:30:1
|

22
crates/ruff_linter/src/rules/pylint/snapshots/ruff_linter__rules__pylint__tests__PLE2510_invalid_characters_syntax_error.py.snap
View file

@ -23,8 +23,8 @@ invalid-syntax: missing closing quote in string literal
9 | # Unterminated f-string
|
invalid-syntax: Expected a statement
--> invalid_characters_syntax_error.py:7:7
PLE2510 Invalid unescaped character backspace, use "\b" instead
--> invalid_characters_syntax_error.py:7:6
|
5 | b = '␈'
6 | # Unterminated string
@ -33,6 +33,7 @@ invalid-syntax: Expected a statement
8 | b = '␈'
9 | # Unterminated f-string
|
help: Replace with escape sequence
PLE2510 Invalid unescaped character backspace, use "\b" instead
--> invalid_characters_syntax_error.py:8:6
@ -46,6 +47,18 @@ PLE2510 Invalid unescaped character backspace, use "\b" instead
|
help: Replace with escape sequence
PLE2510 Invalid unescaped character backspace, use "\b" instead
--> invalid_characters_syntax_error.py:10:7
|
8 | b = '␈'
9 | # Unterminated f-string
10 | b = f'␈
| ^
11 | b = f'␈'
12 | # Implicitly concatenated
|
help: Replace with escape sequence
invalid-syntax: f-string: unterminated string
--> invalid_characters_syntax_error.py:10:7
|
@ -109,11 +122,12 @@ invalid-syntax: missing closing quote in string literal
| ^^
|
invalid-syntax: Expected a statement
--> invalid_characters_syntax_error.py:13:16
PLE2510 Invalid unescaped character backspace, use "\b" instead
--> invalid_characters_syntax_error.py:13:15
|
11 | b = f'␈'
12 | # Implicitly concatenated
13 | b = '␈' f'␈' '␈
| ^
|
help: Replace with escape sequence

4
crates/ruff_linter/src/rules/pyupgrade/rules/f_strings.rs
View file

@ -6,7 +6,7 @@ use rustc_hash::{FxHashMap, FxHashSet};
use ruff_macros::{ViolationMetadata, derive_message_formats};
use ruff_python_ast::helpers::any_over_expr;
use ruff_python_ast::str::{leading_quote, trailing_quote};
use ruff_python_ast::{self as ast, Expr, Keyword};
use ruff_python_ast::{self as ast, Expr, Keyword, StringFlags};
use ruff_python_literal::format::{
FieldName, FieldNamePart, FieldType, FormatPart, FormatString, FromTemplate,
};
@ -430,7 +430,7 @@ pub(crate) fn f_strings(checker: &Checker, call: &ast::ExprCall, summary: &Forma
// dot is the start of an attribute access.
break token.start();
}
TokenKind::String => {
TokenKind::String if !token.unwrap_string_flags().is_unclosed() => {
match FStringConversion::try_convert(token.range(), &mut summary, checker.locator())
{
// If the format string contains side effects that would need to be repeated,

77
crates/ruff_python_ast/src/nodes.rs
View file

@ -735,6 +735,8 @@ pub trait StringFlags: Copy {
fn prefix(self) -> AnyStringPrefix;
fn is_unclosed(self) -> bool;
/// Is the string triple-quoted, i.e.,
/// does it begin and end with three consecutive quote characters?
fn is_triple_quoted(self) -> bool {
@ -779,6 +781,7 @@ pub trait StringFlags: Copy {
fn as_any_string_flags(self) -> AnyStringFlags {
AnyStringFlags::new(self.prefix(), self.quote_style(), self.triple_quotes())
.with_unclosed(self.is_unclosed())
}
fn display_contents(self, contents: &str) -> DisplayFlags<'_> {
@ -829,6 +832,10 @@ bitflags! {
/// for why we track the casing of the `r` prefix,
/// but not for any other prefix
const R_PREFIX_UPPER = 1 << 3;
/// The f-string is unclosed, meaning it is missing a closing quote.
/// For example: `f"{bar`
const UNCLOSED = 1 << 4;
}
}
@ -887,6 +894,12 @@ impl FStringFlags {
self
}
#[must_use]
pub fn with_unclosed(mut self, unclosed: bool) -> Self {
self.0.set(InterpolatedStringFlagsInner::UNCLOSED, unclosed);
self
}
#[must_use]
pub fn with_prefix(mut self, prefix: FStringPrefix) -> Self {
match prefix {
@ -984,6 +997,12 @@ impl TStringFlags {
self
}
#[must_use]
pub fn with_unclosed(mut self, unclosed: bool) -> Self {
self.0.set(InterpolatedStringFlagsInner::UNCLOSED, unclosed);
self
}
#[must_use]
pub fn with_prefix(mut self, prefix: TStringPrefix) -> Self {
match prefix {
@ -1051,6 +1070,10 @@ impl StringFlags for FStringFlags {
fn prefix(self) -> AnyStringPrefix {
AnyStringPrefix::Format(self.prefix())
}
fn is_unclosed(self) -> bool {
self.0.intersects(InterpolatedStringFlagsInner::UNCLOSED)
}
}
impl fmt::Debug for FStringFlags {
@ -1059,6 +1082,7 @@ impl fmt::Debug for FStringFlags {
.field("quote_style", &self.quote_style())
.field("prefix", &self.prefix())
.field("triple_quoted", &self.is_triple_quoted())
.field("unclosed", &self.is_unclosed())
.finish()
}
}
@ -1090,6 +1114,10 @@ impl StringFlags for TStringFlags {
fn prefix(self) -> AnyStringPrefix {
AnyStringPrefix::Template(self.prefix())
}
fn is_unclosed(self) -> bool {
self.0.intersects(InterpolatedStringFlagsInner::UNCLOSED)
}
}
impl fmt::Debug for TStringFlags {
@ -1098,6 +1126,7 @@ impl fmt::Debug for TStringFlags {
.field("quote_style", &self.quote_style())
.field("prefix", &self.prefix())
.field("triple_quoted", &self.is_triple_quoted())
.field("unclosed", &self.is_unclosed())
.finish()
}
}
@ -1427,6 +1456,9 @@ bitflags! {
/// The string was deemed invalid by the parser.
const INVALID = 1 << 5;
/// The string literal misses the matching closing quote(s).
const UNCLOSED = 1 << 6;
}
}
@ -1479,6 +1511,12 @@ impl StringLiteralFlags {
self
}
#[must_use]
pub fn with_unclosed(mut self, unclosed: bool) -> Self {
self.0.set(StringLiteralFlagsInner::UNCLOSED, unclosed);
self
}
#[must_use]
pub fn with_prefix(self, prefix: StringLiteralPrefix) -> Self {
let StringLiteralFlags(flags) = self;
@ -1560,6 +1598,10 @@ impl StringFlags for StringLiteralFlags {
fn prefix(self) -> AnyStringPrefix {
AnyStringPrefix::Regular(self.prefix())
}
fn is_unclosed(self) -> bool {
self.0.intersects(StringLiteralFlagsInner::UNCLOSED)
}
}
impl fmt::Debug for StringLiteralFlags {
@ -1568,6 +1610,7 @@ impl fmt::Debug for StringLiteralFlags {
.field("quote_style", &self.quote_style())
.field("prefix", &self.prefix())
.field("triple_quoted", &self.is_triple_quoted())
.field("unclosed", &self.is_unclosed())
.finish()
}
}
@ -1846,6 +1889,9 @@ bitflags! {
/// The bytestring was deemed invalid by the parser.
const INVALID = 1 << 4;
/// The byte string misses the matching closing quote(s).
const UNCLOSED = 1 << 5;
}
}
@ -1897,6 +1943,12 @@ impl BytesLiteralFlags {
self
}
#[must_use]
pub fn with_unclosed(mut self, unclosed: bool) -> Self {
self.0.set(BytesLiteralFlagsInner::UNCLOSED, unclosed);
self
}
#[must_use]
pub fn with_prefix(mut self, prefix: ByteStringPrefix) -> Self {
match prefix {
@ -1959,6 +2011,10 @@ impl StringFlags for BytesLiteralFlags {
fn prefix(self) -> AnyStringPrefix {
AnyStringPrefix::Bytes(self.prefix())
}
fn is_unclosed(self) -> bool {
self.0.intersects(BytesLiteralFlagsInner::UNCLOSED)
}
}
impl fmt::Debug for BytesLiteralFlags {
@ -1967,6 +2023,7 @@ impl fmt::Debug for BytesLiteralFlags {
.field("quote_style", &self.quote_style())
.field("prefix", &self.prefix())
.field("triple_quoted", &self.is_triple_quoted())
.field("unclosed", &self.is_unclosed())
.finish()
}
}
@ -2028,7 +2085,7 @@ bitflags! {
/// prefix flags is by calling the `as_flags()` method on the
/// `StringPrefix` enum.
#[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Hash)]
struct AnyStringFlagsInner: u8 {
struct AnyStringFlagsInner: u16 {
/// The string uses double quotes (`"`).
/// If this flag is not set, the string uses single quotes (`'`).
const DOUBLE = 1 << 0;
@ -2071,6 +2128,9 @@ bitflags! {
/// for why we track the casing of the `r` prefix,
/// but not for any other prefix
const R_PREFIX_UPPER = 1 << 7;
/// String without matching closing quote(s).
const UNCLOSED = 1 << 8;
}
}
@ -2166,6 +2226,12 @@ impl AnyStringFlags {
.set(AnyStringFlagsInner::TRIPLE_QUOTED, triple_quotes.is_yes());
self
}
#[must_use]
pub fn with_unclosed(mut self, unclosed: bool) -> Self {
self.0.set(AnyStringFlagsInner::UNCLOSED, unclosed);
self
}
}
impl StringFlags for AnyStringFlags {
@ -2234,6 +2300,10 @@ impl StringFlags for AnyStringFlags {
}
AnyStringPrefix::Regular(StringLiteralPrefix::Empty)
}
fn is_unclosed(self) -> bool {
self.0.intersects(AnyStringFlagsInner::UNCLOSED)
}
}
impl fmt::Debug for AnyStringFlags {
@ -2242,6 +2312,7 @@ impl fmt::Debug for AnyStringFlags {
.field("prefix", &self.prefix())
.field("triple_quoted", &self.is_triple_quoted())
.field("quote_style", &self.quote_style())
.field("unclosed", &self.is_unclosed())
.finish()
}
}
@ -2258,6 +2329,7 @@ impl From<AnyStringFlags> for StringLiteralFlags {
.with_quote_style(value.quote_style())
.with_prefix(prefix)
.with_triple_quotes(value.triple_quotes())
.with_unclosed(value.is_unclosed())
}
}
@ -2279,6 +2351,7 @@ impl From<AnyStringFlags> for BytesLiteralFlags {
.with_quote_style(value.quote_style())
.with_prefix(bytestring_prefix)
.with_triple_quotes(value.triple_quotes())
.with_unclosed(value.is_unclosed())
}
}
@ -2300,6 +2373,7 @@ impl From<AnyStringFlags> for FStringFlags {
.with_quote_style(value.quote_style())
.with_prefix(prefix)
.with_triple_quotes(value.triple_quotes())
.with_unclosed(value.is_unclosed())
}
}
@ -2321,6 +2395,7 @@ impl From<AnyStringFlags> for TStringFlags {
.with_quote_style(value.quote_style())
.with_prefix(prefix)
.with_triple_quotes(value.triple_quotes())
.with_unclosed(value.is_unclosed())
}
}

314
crates/ruff_python_parser/src/lexer.rs
View file

@ -13,6 +13,7 @@ use unicode_ident::{is_xid_continue, is_xid_start};
use unicode_normalization::UnicodeNormalization;
use ruff_python_ast::name::Name;
use ruff_python_ast::str_prefix::{AnyStringPrefix, StringLiteralPrefix};
use ruff_python_ast::{Int, IpyEscapeKind, StringFlags};
use ruff_python_trivia::is_python_whitespace;
use ruff_text_size::{TextLen, TextRange, TextSize};
@ -24,6 +25,7 @@ use crate::lexer::indentation::{Indentation, Indentations, IndentationsCheckpoin
use crate::lexer::interpolated_string::{
InterpolatedStringContext, InterpolatedStrings, InterpolatedStringsCheckpoint,
};
use crate::string::InterpolatedStringKind;
use crate::token::{TokenFlags, TokenKind, TokenValue};
mod cursor;
@ -782,6 +784,7 @@ impl<'src> Lexer<'src> {
// SAFETY: Safe because the function is only called when `self.fstrings` is not empty.
let interpolated_string = self.interpolated_strings.current().unwrap();
let string_kind = interpolated_string.kind();
let interpolated_flags = interpolated_string.flags();
// Check if we're at the end of the f-string.
if interpolated_string.is_triple_quoted() {
@ -819,15 +822,19 @@ impl<'src> Lexer<'src> {
} else {
InterpolatedStringErrorType::UnterminatedString
};
self.nesting = interpolated_string.nesting();
self.interpolated_strings.pop();
return Some(self.push_error(LexicalError::new(
self.current_flags |= TokenFlags::UNCLOSED_STRING;
self.push_error(LexicalError::new(
LexicalErrorType::from_interpolated_string_error(error, string_kind),
self.token_range(),
)));
));
break;
}
'\n' | '\r' if !interpolated_string.is_triple_quoted() => {
// https://github.com/astral-sh/ruff/issues/18632
self.interpolated_strings.pop();
let error_type = if in_format_spec {
InterpolatedStringErrorType::NewlineInFormatSpec
@ -835,10 +842,16 @@ impl<'src> Lexer<'src> {
InterpolatedStringErrorType::UnterminatedString
};
return Some(self.push_error(LexicalError::new(
self.nesting = interpolated_string.nesting();
self.interpolated_strings.pop();
self.current_flags |= TokenFlags::UNCLOSED_STRING;
self.push_error(LexicalError::new(
LexicalErrorType::from_interpolated_string_error(error_type, string_kind),
self.token_range(),
)));
));
break;
}
'\\' => {
self.cursor.bump(); // '\'
@ -913,7 +926,7 @@ impl<'src> Lexer<'src> {
self.current_value = TokenValue::InterpolatedStringMiddle(value.into_boxed_str());
self.current_flags = interpolated_string.flags();
self.current_flags = interpolated_flags;
Some(string_kind.middle_token())
}
@ -942,10 +955,12 @@ impl<'src> Lexer<'src> {
let Some(index) = memchr::memchr(quote_byte, self.cursor.rest().as_bytes()) else {
self.cursor.skip_to_end();
return self.push_error(LexicalError::new(
self.current_flags |= TokenFlags::UNCLOSED_STRING;
self.push_error(LexicalError::new(
LexicalErrorType::UnclosedStringError,
self.token_range(),
));
break self.offset();
};
// Rare case: if there are an odd number of backslashes before the quote, then
@ -977,11 +992,14 @@ impl<'src> Lexer<'src> {
memchr::memchr3(quote_byte, b'\r', b'\n', self.cursor.rest().as_bytes())
else {
self.cursor.skip_to_end();
self.current_flags |= TokenFlags::UNCLOSED_STRING;
return self.push_error(LexicalError::new(
LexicalErrorType::StringError,
self.push_error(LexicalError::new(
LexicalErrorType::UnclosedStringError,
self.token_range(),
));
break self.offset();
};
// Rare case: if there are an odd number of backslashes before the quote, then
@ -1009,10 +1027,12 @@ impl<'src> Lexer<'src> {
match quote_or_newline {
'\r' | '\n' => {
return self.push_error(LexicalError::new(
self.current_flags |= TokenFlags::UNCLOSED_STRING;
self.push_error(LexicalError::new(
LexicalErrorType::UnclosedStringError,
self.token_range(),
));
break self.offset();
}
ch if ch == quote => {
let value_end = self.offset();
@ -1331,7 +1351,20 @@ impl<'src> Lexer<'src> {
fn consume_end(&mut self) -> TokenKind {
// We reached end of file.
// First of all, we need all nestings to be finished.
// First, finish any unterminated interpolated-strings.
while let Some(interpolated_string) = self.interpolated_strings.pop() {
self.nesting = interpolated_string.nesting();
self.push_error(LexicalError::new(
LexicalErrorType::from_interpolated_string_error(
InterpolatedStringErrorType::UnterminatedString,
interpolated_string.kind(),
),
self.token_range(),
));
}
// Second, finish all nestings.
// For Mode::ParenthesizedExpression we start with nesting level 1.
// So we check if we end with that level.
let init_nesting = u32::from(self.mode == Mode::ParenthesizedExpression);
@ -1459,6 +1492,107 @@ impl<'src> Lexer<'src> {
true
}
/// Re-lexes an unclosed string token in the context of an interpolated string element.
///
/// ```py
/// f'{a'
/// ```
///
/// This method re-lexes the trailing `'` as the end of the f-string rather than the
/// start of a new string token for better error recovery.
pub(crate) fn re_lex_string_token_in_interpolation_element(
&mut self,
kind: InterpolatedStringKind,
) {
let Some(interpolated_string) = self.interpolated_strings.current() else {
return;
};
let current_string_flags = self.current_flags().as_any_string_flags();
// Only unclosed strings, that have the same quote character
if !matches!(self.current_kind, TokenKind::String)
|| !self.current_flags.is_unclosed()
|| current_string_flags.prefix() != AnyStringPrefix::Regular(StringLiteralPrefix::Empty)
|| current_string_flags.quote_style().as_char() != interpolated_string.quote_char()
|| current_string_flags.is_triple_quoted() != interpolated_string.is_triple_quoted()
{
return;
}
// Only if the string's first line only contains whitespace,
// or ends in a comment (not `f"{"abc`)
let first_line = &self.source
[(self.current_range.start() + current_string_flags.quote_len()).to_usize()..];
for c in first_line.chars() {
if matches!(c, '\n' | '\r' | '#') {
break;
}
// `f'{'ab`, we want to parse `ab` as a normal string and not the closing element of the f-string
if !is_python_whitespace(c) {
return;
}
}
if self.errors.last().is_some_and(|error| {
error.location() == self.current_range
&& matches!(error.error(), LexicalErrorType::UnclosedStringError)
}) {
self.errors.pop();
}
self.current_range =
TextRange::at(self.current_range.start(), self.current_flags.quote_len());
self.current_kind = kind.end_token();
self.current_value = TokenValue::None;
self.current_flags = TokenFlags::empty();
self.nesting = interpolated_string.nesting();
self.interpolated_strings.pop();
self.cursor = Cursor::new(self.source);
self.cursor.skip_bytes(self.current_range.end().to_usize());
}
/// Re-lex `r"` in a format specifier position.
///
/// `r"` in a format specifier position is unlikely to be the start of a raw string.
/// Instead, it's the format specifier `!r` followed by the closing quote of the f-string,
/// when the `}` is missing.
///
/// ```py
/// f"{test!r"
/// ```
///
/// This function re-lexes the `r"` as `r` (a name token). The next `next_token` call will
/// return a unclosed string token for `"`, which [`Self::re_lex_string_token_in_interpolation_element`]
/// can then re-lex as the end of the f-string.
pub(crate) fn re_lex_raw_string_in_format_spec(&mut self) {
// Re-lex `r"` as `NAME r` followed by an unclosed string
// `f"{test!r"` -> `f"{test!`, `r`, `"`
if matches!(self.current_kind, TokenKind::String)
&& self.current_flags.is_unclosed()
&& self.current_flags.prefix()
== AnyStringPrefix::Regular(StringLiteralPrefix::Raw { uppercase: false })
{
if self.errors.last().is_some_and(|error| {
error.location() == self.current_range
&& matches!(error.error(), LexicalErrorType::UnclosedStringError)
}) {
self.errors.pop();
}
self.current_range = TextRange::at(self.current_range.start(), 'r'.text_len());
self.current_kind = TokenKind::Name;
self.current_value = TokenValue::Name(Name::new_static("r"));
self.current_flags = TokenFlags::empty();
self.cursor = Cursor::new(self.source);
self.cursor.skip_bytes(self.current_range.end().to_usize());
}
}
#[inline]
fn token_range(&self) -> TextRange {
let end = self.offset();
@ -2739,6 +2873,164 @@ t"{(lambda x:{x})}"
}
}
#[test]
fn lex_fstring_unclosed() {
let source = r#"f"hello"#;
assert_snapshot!(lex_invalid(source, Mode::Module), @r#"
## Tokens
```
[
(
FStringStart,
0..2,
TokenFlags(
DOUBLE_QUOTES | F_STRING,
),
),
(
InterpolatedStringMiddle(
"hello",
),
2..7,
TokenFlags(
DOUBLE_QUOTES | F_STRING,
),
),
(
Newline,
7..7,
),
]
```
## Errors
```
[
LexicalError {
error: FStringError(
UnterminatedString,
),
location: 2..7,
},
]
```
"#);
}
#[test]
fn lex_fstring_missing_brace() {
let source = "f'{'";
assert_snapshot!(lex_invalid(source, Mode::Module), @r#"
## Tokens
```
[
(
FStringStart,
0..2,
TokenFlags(
F_STRING,
),
),
(
Lbrace,
2..3,
),
(
String(
"",
),
3..4,
TokenFlags(
UNCLOSED_STRING,
),
),
(
Newline,
4..4,
),
]
```
## Errors
```
[
LexicalError {
error: UnclosedStringError,
location: 3..4,
},
LexicalError {
error: FStringError(
UnterminatedString,
),
location: 4..4,
},
]
```
"#);
}
#[test]
fn lex_fstring_missing_brace_after_format_spec() {
let source = r#"f"{foo!r""#;
assert_snapshot!(lex_invalid(source, Mode::Module), @r#"
## Tokens
```
[
(
FStringStart,
0..2,
TokenFlags(
DOUBLE_QUOTES | F_STRING,
),
),
(
Lbrace,
2..3,
),
(
Name(
Name("foo"),
),
3..6,
),
(
Exclamation,
6..7,
),
(
String(
"",
),
7..9,
TokenFlags(
DOUBLE_QUOTES | RAW_STRING_LOWERCASE | UNCLOSED_STRING,
),
),
(
Newline,
9..9,
),
]
```
## Errors
```
[
LexicalError {
error: UnclosedStringError,
location: 7..9,
},
LexicalError {
error: FStringError(
UnterminatedString,
),
location: 9..9,
},
]
```
"#);
}
#[test]
fn test_tstring_error() {
use InterpolatedStringErrorType::{

17
crates/ruff_python_parser/src/parser/expression.rs
View file

@ -1526,7 +1526,7 @@ impl<'src> Parser<'src> {
kind: InterpolatedStringKind,
) -> InterpolatedStringData {
let start = self.node_start();
let flags = self.tokens.current_flags().as_any_string_flags();
let mut flags = self.tokens.current_flags().as_any_string_flags();
self.bump(kind.start_token());
let elements = self.parse_interpolated_string_elements(
@ -1535,7 +1535,9 @@ impl<'src> Parser<'src> {
kind,
);
self.expect(kind.end_token());
if !self.expect(kind.end_token()) {
flags = flags.with_unclosed(true);
}
// test_ok pep701_f_string_py312
// # parse_options: {"target-version": "3.12"}
@ -1719,6 +1721,9 @@ impl<'src> Parser<'src> {
let start = self.node_start();
self.bump(TokenKind::Lbrace);
self.tokens
.re_lex_string_token_in_interpolation_element(string_kind);
// test_err f_string_empty_expression
// f"{}"
// f"{ }"
@ -1740,6 +1745,7 @@ impl<'src> Parser<'src> {
// t"{*}"
// t"{*x and y}"
// t"{*yield x}"
let value = self.parse_expression_list(ExpressionContext::yield_or_starred_bitwise_or());
if !value.is_parenthesized && value.expr.is_lambda_expr() {
@ -1773,6 +1779,10 @@ impl<'src> Parser<'src> {
};
let conversion = if self.eat(TokenKind::Exclamation) {
// Ensure that the `r` is lexed as a `r` name token instead of a raw string
// in `f{abc!r"` (note the missing `}`).
self.tokens.re_lex_raw_string_in_format_spec();
let conversion_flag_range = self.current_token_range();
if self.at(TokenKind::Name) {
// test_err f_string_conversion_follows_exclamation
@ -1852,6 +1862,9 @@ impl<'src> Parser<'src> {
None
};
self.tokens
.re_lex_string_token_in_interpolation_element(string_kind);
// We're using `eat` here instead of `expect` to use the f-string specific error type.
if !self.eat(TokenKind::Rbrace) {
// TODO(dhruvmanila): This requires some changes in the lexer. One of them

1
crates/ruff_python_parser/src/parser/snapshots/ruff_python_parser__parser__tests__unicode_aliases.snap
View file

@ -31,6 +31,7 @@ expression: suite
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

42
crates/ruff_python_parser/src/snapshots/ruff_python_parser__lexer__tests__fstring_newline_format_spec.snap
View file

@ -44,11 +44,16 @@ expression: "lex_invalid(source, Mode::Module)"
12..13,
),
(
Unknown,
InterpolatedStringMiddle(
"d",
),
13..14,
TokenFlags(
F_STRING,
),
),
(
NonLogicalNewline,
Newline,
14..15,
),
(
@ -62,8 +67,13 @@ expression: "lex_invalid(source, Mode::Module)"
16..18,
),
(
Unknown,
String(
"",
),
18..19,
TokenFlags(
UNCLOSED_STRING,
),
),
(
Newline,
@ -104,13 +114,22 @@ expression: "lex_invalid(source, Mode::Module)"
31..32,
),
(
Unknown,
InterpolatedStringMiddle(
"a",
),
32..33,
TokenFlags(
F_STRING,
),
),
(
NonLogicalNewline,
Newline,
33..34,
),
(
Indent,
34..42,
),
(
Name(
Name("b"),
@ -118,9 +137,13 @@ expression: "lex_invalid(source, Mode::Module)"
42..43,
),
(
NonLogicalNewline,
Newline,
43..44,
),
(
Dedent,
44..44,
),
(
Rbrace,
44..45,
@ -132,8 +155,13 @@ expression: "lex_invalid(source, Mode::Module)"
45..47,
),
(
Unknown,
String(
"",
),
47..48,
TokenFlags(
UNCLOSED_STRING,
),
),
(
Newline,

42
crates/ruff_python_parser/src/snapshots/ruff_python_parser__lexer__tests__tstring_newline_format_spec.snap
View file

@ -44,11 +44,16 @@ expression: "lex_invalid(source, Mode::Module)"
12..13,
),
(
Unknown,
InterpolatedStringMiddle(
"d",
),
13..14,
TokenFlags(
T_STRING,
),
),
(
NonLogicalNewline,
Newline,
14..15,
),
(
@ -62,8 +67,13 @@ expression: "lex_invalid(source, Mode::Module)"
16..18,
),
(
Unknown,
String(
"",
),
18..19,
TokenFlags(
UNCLOSED_STRING,
),
),
(
Newline,
@ -104,13 +114,22 @@ expression: "lex_invalid(source, Mode::Module)"
31..32,
),
(
Unknown,
InterpolatedStringMiddle(
"a",
),
32..33,
TokenFlags(
T_STRING,
),
),
(
NonLogicalNewline,
Newline,
33..34,
),
(
Indent,
34..42,
),
(
Name(
Name("b"),
@ -118,9 +137,13 @@ expression: "lex_invalid(source, Mode::Module)"
42..43,
),
(
NonLogicalNewline,
Newline,
43..44,
),
(
Dedent,
44..44,
),
(
Rbrace,
44..45,
@ -132,8 +155,13 @@ expression: "lex_invalid(source, Mode::Module)"
45..47,
),
(
Unknown,
String(
"",
),
47..48,
TokenFlags(
UNCLOSED_STRING,
),
),
(
Newline,

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__backspace_alias.snap
View file

@ -21,6 +21,7 @@ expression: suite
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__bell_alias.snap
View file

@ -21,6 +21,7 @@ expression: suite
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__carriage_return_alias.snap
View file

@ -21,6 +21,7 @@ expression: suite
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__character_tabulation_with_justification_alias.snap
View file

@ -21,6 +21,7 @@ expression: suite
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__delete_alias.snap
View file

@ -21,6 +21,7 @@ expression: suite
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__dont_panic_on_8_in_octal_escape.snap
View file

@ -31,6 +31,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__double_quoted_byte.snap
View file

@ -278,6 +278,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__escape_alias.snap
View file

@ -21,6 +21,7 @@ expression: suite
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__escape_char_in_byte_literal.snap
View file

@ -32,6 +32,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__escape_octet.snap
View file

@ -27,6 +27,7 @@ expression: suite
quote_style: Single,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__form_feed_alias.snap
View file

@ -21,6 +21,7 @@ expression: suite
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__fstring_constant_range.snap
View file

@ -78,6 +78,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__fstring_escaped_character.snap
View file

@ -47,6 +47,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__fstring_escaped_newline.snap
View file

@ -47,6 +47,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__fstring_line_continuation.snap
View file

@ -49,6 +49,7 @@ expression: suite
uppercase_r: false,
},
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__fstring_parse_self_documenting_base.snap
View file

@ -45,6 +45,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__fstring_parse_self_documenting_base_more.snap
View file

@ -81,6 +81,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__fstring_parse_self_documenting_format.snap
View file

@ -59,6 +59,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__fstring_unescaped_newline.snap
View file

@ -47,6 +47,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: true,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__hts_alias.snap
View file

@ -21,6 +21,7 @@ expression: suite
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_empty_fstring.snap
View file

@ -22,6 +22,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_empty_tstring.snap
View file

@ -21,6 +21,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

2
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_f_string_concat_1.snap
View file

@ -23,6 +23,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -43,6 +44,7 @@ expression: suite
quote_style: Single,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

2
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_f_string_concat_2.snap
View file

@ -23,6 +23,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -43,6 +44,7 @@ expression: suite
quote_style: Single,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

3
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_f_string_concat_3.snap
View file

@ -23,6 +23,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -56,6 +57,7 @@ expression: suite
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -72,6 +74,7 @@ expression: suite
quote_style: Single,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

4
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_f_string_concat_4.snap
View file

@ -23,6 +23,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -56,6 +57,7 @@ expression: suite
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -72,6 +74,7 @@ expression: suite
quote_style: Single,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
@ -84,6 +87,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_fstring.snap
View file

@ -64,6 +64,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_fstring_equals.snap
View file

@ -61,6 +61,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

3
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_fstring_nested_concatenation_string_spec.snap
View file

@ -57,6 +57,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
StringLiteral {
@ -67,6 +68,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
],
@ -91,6 +93,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_fstring_nested_spec.snap
View file

@ -64,6 +64,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

2
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_fstring_nested_string_spec.snap
View file

@ -55,6 +55,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -76,6 +77,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_fstring_not_equals.snap
View file

@ -61,6 +61,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_fstring_not_nested_spec.snap
View file

@ -54,6 +54,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_fstring_self_doc_prec_space.snap
View file

@ -45,6 +45,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_fstring_self_doc_trailing_space.snap
View file

@ -45,6 +45,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_fstring_yield_expr.snap
View file

@ -39,6 +39,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

2
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_string_concat.snap
View file

@ -23,6 +23,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
StringLiteral {
@ -33,6 +34,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
],

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_string_triple_quotes_with_kind.snap
View file

@ -21,6 +21,7 @@ expression: suite
quote_style: Single,
prefix: Unicode,
triple_quoted: true,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_tstring.snap
View file

@ -63,6 +63,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_tstring_equals.snap
View file

@ -60,6 +60,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

3
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_tstring_nested_concatenation_string_spec.snap
View file

@ -56,6 +56,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
StringLiteral {
@ -66,6 +67,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
],
@ -90,6 +92,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_tstring_nested_spec.snap
View file

@ -63,6 +63,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

2
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_tstring_nested_string_spec.snap
View file

@ -54,6 +54,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -75,6 +76,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_tstring_not_equals.snap
View file

@ -60,6 +60,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_tstring_not_nested_spec.snap
View file

@ -53,6 +53,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_tstring_self_doc_prec_space.snap
View file

@ -44,6 +44,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_tstring_self_doc_trailing_space.snap
View file

@ -44,6 +44,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_tstring_yield_expr.snap
View file

@ -38,6 +38,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

2
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_u_f_string_concat_1.snap
View file

@ -23,6 +23,7 @@ expression: suite
quote_style: Single,
prefix: Unicode,
triple_quoted: false,
unclosed: false,
},
},
),
@ -43,6 +44,7 @@ expression: suite
quote_style: Single,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

3
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_u_f_string_concat_2.snap
View file

@ -23,6 +23,7 @@ expression: suite
quote_style: Single,
prefix: Unicode,
triple_quoted: false,
unclosed: false,
},
},
),
@ -43,6 +44,7 @@ expression: suite
quote_style: Single,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
@ -55,6 +57,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

2
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_u_string_concat_1.snap
View file

@ -23,6 +23,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
StringLiteral {
@ -33,6 +34,7 @@ expression: suite
quote_style: Single,
prefix: Unicode,
triple_quoted: false,
unclosed: false,
},
},
],

2
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__parse_u_string_concat_2.snap
View file

@ -23,6 +23,7 @@ expression: suite
quote_style: Single,
prefix: Unicode,
triple_quoted: false,
unclosed: false,
},
},
StringLiteral {
@ -33,6 +34,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
],

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__raw_byte_literal_1.snap
View file

@ -28,6 +28,7 @@ expression: suite
uppercase_r: false,
},
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__raw_byte_literal_2.snap
View file

@ -26,6 +26,7 @@ expression: suite
uppercase_r: false,
},
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__raw_fstring.snap
View file

@ -42,6 +42,7 @@ expression: suite
uppercase_r: false,
},
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__raw_tstring.snap
View file

@ -41,6 +41,7 @@ expression: suite
uppercase_r: false,
},
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__single_quoted_byte.snap
View file

@ -278,6 +278,7 @@ expression: suite
quote_style: Single,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__string_parser_escaped_mac_eol.snap
View file

@ -21,6 +21,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__string_parser_escaped_unix_eol.snap
View file

@ -21,6 +21,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__string_parser_escaped_windows_eol.snap
View file

@ -21,6 +21,7 @@ expression: suite
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__triple_quoted_raw_fstring.snap
View file

@ -42,6 +42,7 @@ expression: suite
uppercase_r: false,
},
triple_quoted: true,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__triple_quoted_raw_tstring.snap
View file

@ -41,6 +41,7 @@ expression: suite
uppercase_r: false,
},
triple_quoted: true,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__tstring_constant_range.snap
View file

@ -77,6 +77,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__tstring_escaped_character.snap
View file

@ -46,6 +46,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__tstring_escaped_newline.snap
View file

@ -46,6 +46,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__tstring_line_continuation.snap
View file

@ -48,6 +48,7 @@ expression: suite
uppercase_r: false,
},
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__tstring_parse_self_documenting_base.snap
View file

@ -44,6 +44,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__tstring_parse_self_documenting_base_more.snap
View file

@ -80,6 +80,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__tstring_parse_self_documenting_format.snap
View file

@ -58,6 +58,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/src/snapshots/ruff_python_parser__string__tests__tstring_unescaped_newline.snap
View file

@ -46,6 +46,7 @@ expression: suite
quote_style: Double,
prefix: Regular,
triple_quoted: true,
unclosed: false,
},
},
),

9
crates/ruff_python_parser/src/token.rs
View file

@ -729,7 +729,7 @@ impl fmt::Display for TokenKind {
bitflags! {
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub(crate) struct TokenFlags: u8 {
pub(crate) struct TokenFlags: u16 {
/// The token is a string with double quotes (`"`).
const DOUBLE_QUOTES = 1 << 0;
/// The token is a triple-quoted string i.e., it starts and ends with three consecutive
@ -748,9 +748,12 @@ bitflags! {
const RAW_STRING_LOWERCASE = 1 << 6;
/// The token is a raw string and the prefix character is in uppercase.
const RAW_STRING_UPPERCASE = 1 << 7;
/// String without matching closing quote(s)
const UNCLOSED_STRING = 1 << 8;
/// The token is a raw string i.e., prefixed with `r` or `R`
const RAW_STRING = Self::RAW_STRING_LOWERCASE.bits() | Self::RAW_STRING_UPPERCASE.bits();
}
}
@ -808,6 +811,10 @@ impl StringFlags for TokenFlags {
AnyStringPrefix::Regular(StringLiteralPrefix::Empty)
}
}
fn is_unclosed(self) -> bool {
self.intersects(TokenFlags::UNCLOSED_STRING)
}
}
impl TokenFlags {

13
crates/ruff_python_parser/src/token_source.rs
View file

@ -3,6 +3,7 @@ use ruff_text_size::{Ranged, TextRange, TextSize};
use crate::Mode;
use crate::error::LexicalError;
use crate::lexer::{Lexer, LexerCheckpoint};
use crate::string::InterpolatedStringKind;
use crate::token::{Token, TokenFlags, TokenKind, TokenValue};
/// Token source for the parser that skips over any trivia tokens.
@ -88,6 +89,18 @@ impl<'src> TokenSource<'src> {
}
}
pub(crate) fn re_lex_string_token_in_interpolation_element(
&mut self,
kind: InterpolatedStringKind,
) {
self.lexer
.re_lex_string_token_in_interpolation_element(kind);
}
pub(crate) fn re_lex_raw_string_in_format_spec(&mut self) {
self.lexer.re_lex_raw_string_in_format_spec();
}
/// Returns the next non-trivia token without consuming it.
///
/// Use [`peek2`] to get the next two tokens.

3
crates/ruff_python_parser/tests/snapshots/invalid_syntax@ann_assign_stmt_invalid_target.py.snap
View file

@ -28,6 +28,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -57,6 +58,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -114,6 +116,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

4
crates/ruff_python_parser/tests/snapshots/invalid_syntax@assign_stmt_invalid_target.py.snap
View file

@ -144,6 +144,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -164,6 +165,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -194,6 +196,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -214,6 +217,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

2
crates/ruff_python_parser/tests/snapshots/invalid_syntax@aug_assign_stmt_invalid_target.py.snap
View file

@ -53,6 +53,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -74,6 +75,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/tests/snapshots/invalid_syntax@debug_shadow_with.py.snap
View file

@ -49,6 +49,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

6
crates/ruff_python_parser/tests/snapshots/invalid_syntax@duplicate_match_class_attr.py.snap
View file

@ -229,6 +229,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -249,6 +250,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -396,6 +398,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -416,6 +419,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -601,6 +605,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -621,6 +626,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

17
crates/ruff_python_parser/tests/snapshots/invalid_syntax@duplicate_match_key.py.snap
View file

@ -45,6 +45,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -65,6 +66,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -147,6 +149,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
@ -169,6 +172,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
@ -663,6 +667,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: true,
unclosed: false,
},
},
),
@ -683,6 +688,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: true,
unclosed: false,
},
},
),
@ -763,6 +769,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -783,6 +790,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -803,6 +811,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -907,6 +916,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -936,6 +946,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -1051,6 +1062,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -1071,6 +1083,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -1203,6 +1216,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -1223,6 +1237,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -1407,6 +1422,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),
@ -1427,6 +1443,7 @@ Module(
quote_style: Double,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/tests/snapshots/invalid_syntax@expressions__dict__comprehension.py.snap
View file

@ -105,6 +105,7 @@ Module(
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/tests/snapshots/invalid_syntax@expressions__list__comprehension.py.snap
View file

@ -140,6 +140,7 @@ Module(
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/tests/snapshots/invalid_syntax@expressions__set__comprehension.py.snap
View file

@ -140,6 +140,7 @@ Module(
quote_style: Single,
prefix: Empty,
triple_quoted: false,
unclosed: false,
},
},
),

3
crates/ruff_python_parser/tests/snapshots/invalid_syntax@f_string_conversion_follows_exclamation.py.snap
View file

@ -47,6 +47,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
@ -92,6 +93,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
@ -137,6 +139,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

2
crates/ruff_python_parser/tests/snapshots/invalid_syntax@f_string_empty_expression.py.snap
View file

@ -47,6 +47,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
@ -93,6 +94,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/tests/snapshots/invalid_syntax@f_string_invalid_conversion_flag_name_tok.py.snap
View file

@ -47,6 +47,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

2
crates/ruff_python_parser/tests/snapshots/invalid_syntax@f_string_invalid_conversion_flag_other_tok.py.snap
View file

@ -47,6 +47,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
@ -93,6 +94,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

3
crates/ruff_python_parser/tests/snapshots/invalid_syntax@f_string_invalid_starred_expr.py.snap
View file

@ -54,6 +54,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
@ -124,6 +125,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
@ -185,6 +187,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

1
crates/ruff_python_parser/tests/snapshots/invalid_syntax@f_string_lambda_without_parentheses.py.snap
View file

@ -87,6 +87,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

136
crates/ruff_python_parser/tests/snapshots/invalid_syntax@f_string_unclosed_lbrace.py.snap
View file

@ -47,6 +47,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
@ -73,7 +74,7 @@ Module(
elements: [
Interpolation(
InterpolatedElement {
range: 7..14,
range: 7..13,
node_index: NodeIndex(None),
expression: Name(
ExprName {
@ -84,7 +85,7 @@ Module(
},
),
debug_text: None,
conversion: None,
conversion: Repr,
format_spec: None,
},
),
@ -93,6 +94,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
@ -144,6 +146,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
@ -156,14 +159,13 @@ Module(
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 24..37,
range: 24..28,
value: FString(
ExprFString {
node_index: NodeIndex(None),
range: 24..37,
range: 24..28,
value: FStringValue {
inner: Concatenated(
[
inner: Single(
FString(
FString {
range: 24..28,
@ -191,9 +193,26 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
),
},
},
),
},
),
Expr(
StmtExpr {
node_index: NodeIndex(None),
range: 29..37,
value: FString(
ExprFString {
node_index: NodeIndex(None),
range: 29..37,
value: FStringValue {
inner: Single(
FString(
FString {
range: 29..37,
@ -221,10 +240,10 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: true,
unclosed: false,
},
},
),
],
),
},
},
@ -239,23 +258,7 @@ Module(
|
1 | f"{"
| ^ Syntax Error: missing closing quote in string literal
2 | f"{foo!r"
3 | f"{foo="
|
|
1 | f"{"
| ^ Syntax Error: f-string: unterminated string
2 | f"{foo!r"
3 | f"{foo="
|
|
1 | f"{"
| ^ Syntax Error: f-string: unterminated string
| ^ Syntax Error: Expected an expression
2 | f"{foo!r"
3 | f"{foo="
|
@ -264,25 +267,7 @@ Module(
|
1 | f"{"
2 | f"{foo!r"
| ^^ Syntax Error: missing closing quote in string literal
3 | f"{foo="
4 | f"{"
|
|
1 | f"{"
2 | f"{foo!r"
| ^ Syntax Error: f-string: unterminated string
3 | f"{foo="
4 | f"{"
|
|
1 | f"{"
2 | f"{foo!r"
| ^ Syntax Error: f-string: unterminated string
| ^ Syntax Error: f-string: expecting '}'
3 | f"{foo="
4 | f"{"
|
@ -292,46 +277,7 @@ Module(
1 | f"{"
2 | f"{foo!r"
3 | f"{foo="
| ^^ Syntax Error: f-string: expecting '}'
4 | f"{"
5 | f"""{"""
|
|
1 | f"{"
2 | f"{foo!r"
| ^ Syntax Error: Expected FStringEnd, found Unknown
3 | f"{foo="
4 | f"{"
|
|
1 | f"{"
2 | f"{foo!r"
3 | f"{foo="
| ^ Syntax Error: missing closing quote in string literal
4 | f"{"
5 | f"""{"""
|
|
1 | f"{"
2 | f"{foo!r"
3 | f"{foo="
| ^ Syntax Error: f-string: unterminated string
4 | f"{"
5 | f"""{"""
|
|
1 | f"{"
2 | f"{foo!r"
3 | f"{foo="
| ^ Syntax Error: f-string: unterminated string
| ^ Syntax Error: f-string: expecting '}'
4 | f"{"
5 | f"""{"""
|
@ -341,36 +287,14 @@ Module(
2 | f"{foo!r"
3 | f"{foo="
4 | f"{"
| ^ Syntax Error: missing closing quote in string literal
| ^ Syntax Error: Expected an expression
5 | f"""{"""
|
|
3 | f"{foo="
4 | f"{"
5 | f"""{"""
| ^^^^ Syntax Error: Expected FStringEnd, found FStringStart
|
|
3 | f"{foo="
4 | f"{"
5 | f"""{"""
| ^^^ Syntax Error: Expected an expression
|
|
4 | f"{"
5 | f"""{"""
| ^ Syntax Error: unexpected EOF while parsing
|
|
4 | f"{"
5 | f"""{"""
| ^ Syntax Error: f-string: unterminated string
|

2
crates/ruff_python_parser/tests/snapshots/invalid_syntax@f_string_unclosed_lbrace_in_format_spec.py.snap
View file

@ -60,6 +60,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),
@ -127,6 +128,7 @@ Module(
quote_style: Double,
prefix: Regular,
triple_quoted: false,
unclosed: false,
},
},
),

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