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refactor

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Centri3 2023-04-17 20:57:56 -05:00
parent 80707aa95f
commit fa1efa8b10
1 changed files with 22 additions and 55 deletions
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77
clippy_lints/src/semicolon_block.rs
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@ -126,14 +126,12 @@ impl LateLintPass<'_> for SemicolonBlock {
..
} = stmt else { return };
semicolon_outside_block(cx, block, expr, span);
semicolon_outside_block_if_singleline_check_outside(cx, block, expr, stmt.span);
},
StmtKind::Semi(Expr {
kind: ExprKind::Block(block @ Block { expr: Some(tail), .. }, _),
..
}) if !block.span.from_expansion() => {
semicolon_inside_block(cx, block, tail, stmt.span);
semicolon_outside_block_if_singleline_check_inside(cx, block, tail, stmt.span);
},
_ => (),
}
@ -144,6 +142,8 @@ fn semicolon_inside_block(cx: &LateContext<'_>, block: &Block<'_>, tail: &Expr<'
let insert_span = tail.span.source_callsite().shrink_to_hi();
let remove_span = semi_span.with_lo(block.span.hi());
semicolon_outside_block_if_singleline(cx, block, remove_span, insert_span, true, "inside");
span_lint_and_then(
cx,
SEMICOLON_INSIDE_BLOCK,
@ -166,6 +166,8 @@ fn semicolon_outside_block(cx: &LateContext<'_>, block: &Block<'_>, tail_stmt_ex
let semi_span = cx.sess().source_map().stmt_span(semi_span, block.span);
let remove_span = semi_span.with_lo(tail_stmt_expr.span.source_callsite().hi());
semicolon_outside_block_if_singleline(cx, block, remove_span, insert_span, false, "outside");
span_lint_and_then(
cx,
SEMICOLON_OUTSIDE_BLOCK,
@ -182,23 +184,28 @@ fn semicolon_outside_block(cx: &LateContext<'_>, block: &Block<'_>, tail_stmt_ex
);
}
fn semicolon_outside_block_if_singleline_check_inside(
fn semicolon_outside_block_if_singleline(
cx: &LateContext<'_>,
block: &Block<'_>,
tail: &Expr<'_>,
semi_span: Span,
remove_span: Span,
insert_span: Span,
inequality: bool,
ty: &str,
) {
let insert_span = tail.span.source_callsite().shrink_to_hi();
let remove_span = semi_span.with_lo(block.span.hi());
let (remove_line, insert_line) = (get_line(cx, remove_span), get_line(cx, insert_span));
let (remove_line, insert_line) = get_line(cx, remove_span, insert_span);
let eq = if inequality {
remove_line != insert_line
} else {
remove_line == insert_line
};
if insert_line != remove_line {
if eq {
span_lint_and_then(
cx,
SEMICOLON_OUTSIDE_BLOCK_IF_SINGLELINE,
block.span,
"consider moving the `;` inside the block for consistent formatting",
&format!("consider moving the `;` {ty} the block for consistent formatting"),
|diag| {
multispan_sugg_with_applicability(
diag,
@ -211,50 +218,10 @@ fn semicolon_outside_block_if_singleline_check_inside(
}
}
fn semicolon_outside_block_if_singleline_check_outside(
cx: &LateContext<'_>,
block: &Block<'_>,
tail_stmt_expr: &Expr<'_>,
semi_span: Span,
) {
let insert_span = block.span.with_lo(block.span.hi());
// account for macro calls
let semi_span = cx.sess().source_map().stmt_span(semi_span, block.span);
let remove_span = semi_span.with_lo(tail_stmt_expr.span.source_callsite().hi());
let (remove_line, insert_line) = get_line(cx, remove_span, insert_span);
if remove_line == insert_line {
span_lint_and_then(
cx,
SEMICOLON_OUTSIDE_BLOCK_IF_SINGLELINE,
block.span,
"consider moving the `;` outside the block for consistent formatting",
|diag| {
multispan_sugg_with_applicability(
diag,
"put the `;` here",
Applicability::MachineApplicable,
[(remove_span, String::new()), (insert_span, ";".to_owned())],
);
},
);
}
}
fn get_line(cx: &LateContext<'_>, remove_span: Span, insert_span: Span) -> (usize, usize) {
let remove_line = cx
.sess()
fn get_line(cx: &LateContext<'_>, span: Span) -> usize {
cx.sess()
.source_map()
.lookup_line(remove_span.lo())
.expect("failed to get `remove_span`'s line")
.line;
let insert_line = cx
.sess()
.source_map()
.lookup_line(insert_span.lo())
.expect("failed to get `insert_span`'s line")
.line;
(remove_line, insert_line)
.lookup_line(span.lo())
.expect("failed to get span's line")
.line
}