1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
if_chain! {
if let ExprKind::Struct(qpath, fields, None) = expr.kind;
if match_qpath(qpath, &["Test"]);
if fields.len() == 1;
if fields[0].ident.as_str() == "field";
if let ExprKind::If(cond, then, Some(else_expr)) = fields[0].expr.kind;
if let ExprKind::DropTemps(expr1) = cond.kind;
if let ExprKind::Lit(ref lit) = expr1.kind;
if let LitKind::Bool(true) = lit.node;
if let ExprKind::Block(block, None) = then.kind;
if block.stmts.is_empty();
if let Some(trailing_expr) = block.expr;
if let ExprKind::Lit(ref lit1) = trailing_expr.kind;
if let LitKind::Int(1, LitIntType::Unsuffixed) = lit1.node;
if let ExprKind::Block(block1, None) = else_expr.kind;
if block1.stmts.is_empty();
if let Some(trailing_expr1) = block1.expr;
if let ExprKind::Lit(ref lit2) = trailing_expr1.kind;
if let LitKind::Int(0, LitIntType::Unsuffixed) = lit2.node;
then {
// report your lint here
}
}
if_chain! {
if let PatKind::Struct(ref qpath, fields, false) = arm.pat.kind;
if match_qpath(qpath, &["Test"]);
if fields.len() == 1;
if fields[0].ident.as_str() == "field";
if let PatKind::Lit(lit_expr) = fields[0].pat.kind;
if let ExprKind::Lit(ref lit) = lit_expr.kind;
if let LitKind::Int(1, LitIntType::Unsuffixed) = lit.node;
if arm.guard.is_none();
if let ExprKind::Block(block, None) = arm.body.kind;
if block.stmts.is_empty();
if block.expr.is_none();
then {
// report your lint here
}
}
if_chain! {
if let PatKind::TupleStruct(ref qpath, fields, None) = arm.pat.kind;
if match_qpath(qpath, &["TestTuple"]);
if fields.len() == 1;
if let PatKind::Lit(lit_expr) = fields[0].kind;
if let ExprKind::Lit(ref lit) = lit_expr.kind;
if let LitKind::Int(1, LitIntType::Unsuffixed) = lit.node;
if arm.guard.is_none();
if let ExprKind::Block(block, None) = arm.body.kind;
if block.stmts.is_empty();
if block.expr.is_none();
then {
// report your lint here
}
}
if_chain! {
if let ExprKind::MethodCall(method_name, receiver, args, _) = expr.kind;
if method_name.ident.as_str() == "test";
if let ExprKind::Path(ref qpath) = receiver.kind;
if match_qpath(qpath, &["test_method_call"]);
if args.is_empty();
then {
// report your lint here
}
}
|
