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coverage: Make unexpansion of closure bodies more precise

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This improves the coverage instrumentation of closures declared in macros, as
seen in `closure_macro.rs` and `closure_macro_async.rs`.
This commit is contained in:
Zalathar 2024-01-22 12:49:58 +11:00
parent 8dd2b37462
commit dd6d7f27e4
7 changed files with 60 additions and 50 deletions
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17
tests/coverage/closure_macro_async.cov-map
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@ -35,10 +35,19 @@ Number of file 0 mappings: 7
= (c1 + (c0 - c1))
Function name: closure_macro_async::test::{closure#0}::{closure#0}
Raw bytes (9): 0x[01, 01, 00, 01, 01, 25, 12, 00, 54]
Raw bytes (35): 0x[01, 01, 03, 01, 05, 05, 0b, 09, 00, 05, 01, 12, 1c, 03, 21, 05, 04, 11, 01, 27, 02, 03, 11, 00, 16, 00, 00, 17, 00, 1e, 07, 02, 09, 00, 0a]
Number of files: 1
- file 0 => global file 1
Number of expressions: 0
Number of file 0 mappings: 1
- Code(Counter(0)) at (prev + 37, 18) to (start + 0, 84)
Number of expressions: 3
- expression 0 operands: lhs = Counter(0), rhs = Counter(1)
- expression 1 operands: lhs = Counter(1), rhs = Expression(2, Add)
- expression 2 operands: lhs = Counter(2), rhs = Zero
Number of file 0 mappings: 5
- Code(Counter(0)) at (prev + 18, 28) to (start + 3, 33)
- Code(Counter(1)) at (prev + 4, 17) to (start + 1, 39)
- Code(Expression(0, Sub)) at (prev + 3, 17) to (start + 0, 22)
= (c0 - c1)
- Code(Zero) at (prev + 0, 23) to (start + 0, 30)
- Code(Expression(1, Add)) at (prev + 2, 9) to (start + 0, 10)
= (c1 + (c2 + Zero))