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[syntax-errors]: break outside loop F701 (#20556)
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<!-- Thank you for contributing to Ruff/ty! To help us out with reviewing, please consider the following: - Does this pull request include a summary of the change? (See below.) - Does this pull request include a descriptive title? (Please prefix with `[ty]` for ty pull requests.) - Does this pull request include references to any relevant issues? --> ## Summary <!-- What's the purpose of the change? What does it do, and why? --> This PR implements https://docs.astral.sh/ruff/rules/break-outside-loop/ (F701) as a semantic syntax error. ## Test Plan <!-- How was it tested? --> --------- Signed-off-by: 11happy <soni5happy@gmail.com> Co-authored-by: Brent Westbrook <brentrwestbrook@gmail.com>
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6 changed files with 51 additions and 41 deletions
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@ -224,6 +224,11 @@ impl SemanticSyntaxChecker {
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);
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}
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}
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Stmt::Break(ast::StmtBreak { range, .. }) => {
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if !ctx.in_loop_context() {
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Self::add_error(ctx, SemanticSyntaxErrorKind::BreakOutsideLoop, *range);
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}
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}
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_ => {}
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}
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@ -1125,6 +1130,7 @@ impl Display for SemanticSyntaxError {
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SemanticSyntaxErrorKind::FutureFeatureNotDefined(name) => {
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write!(f, "Future feature `{name}` is not defined")
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}
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SemanticSyntaxErrorKind::BreakOutsideLoop => f.write_str("`break` outside loop"),
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}
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}
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}
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@ -1498,6 +1504,9 @@ pub enum SemanticSyntaxErrorKind {
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/// Represents the use of a `__future__` feature that is not defined.
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FutureFeatureNotDefined(String),
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/// Represents the use of a `break` statement outside of a loop.
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BreakOutsideLoop,
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, get_size2::GetSize)]
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@ -1979,6 +1988,8 @@ pub trait SemanticSyntaxContext {
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fn in_notebook(&self) -> bool;
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fn report_semantic_error(&self, error: SemanticSyntaxError);
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fn in_loop_context(&self) -> bool;
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}
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/// Modified version of [`std::str::EscapeDefault`] that does not escape single or double quotes.
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@ -571,6 +571,10 @@ impl SemanticSyntaxContext for SemanticSyntaxCheckerVisitor<'_> {
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fn in_generator_scope(&self) -> bool {
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true
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}
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fn in_loop_context(&self) -> bool {
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true
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}
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}
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impl Visitor<'_> for SemanticSyntaxCheckerVisitor<'_> {
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