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Add checks for conflicts for aliases

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- Check that alias is not the same as name of other field (it still can be the name of owning field/variant)
- Check that aliases are unique, i. e. two different fields does not use the same alias
This commit is contained in:
Mingun
2023-08-08 22:07:22 +05:00
parent 58a8d22931
commit 5f9fffa53e
5 changed files with 360 additions and 1 deletions
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test_suite/tests/ui/conflict/alias-enum.stderr
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error: alias `b` conflicts with deserialization name of other field
--> tests/ui/conflict/alias-enum.rs:8:9
|
8 | / /// Expected error on "alias b", because this is a name of other field
9 | | /// Error on "alias a" is not expected because this is a name of this field
10 | | /// Error on "alias c" is not expected because field `c` is skipped
11 | | #[serde(alias = "a", alias = "b", alias = "c")]
12 | | a: (),
| |_____________^
error: alias `c` already used by field a
--> tests/ui/conflict/alias-enum.rs:14:9
|
14 | / /// Expected error on "alias c", because it is already used as alias of `a`
15 | | #[serde(alias = "c")]
16 | | b: (),
| |_____________^
error: alias `c` conflicts with deserialization name of other field
--> tests/ui/conflict/alias-enum.rs:23:9
|
23 | / /// Expected error on "alias c", because this is a name of other field after
24 | | /// applying rename rules
25 | | #[serde(alias = "b", alias = "c")]
26 | | a: (),
| |_____________^
error: alias `B` conflicts with deserialization name of other field
--> tests/ui/conflict/alias-enum.rs:34:9
|
34 | / /// Expected error on "alias B", because this is a name of field after
35 | | /// applying rename rules
36 | | #[serde(alias = "B", alias = "c")]
37 | | a: (),
| |_____________^
error: alias `b` conflicts with deserialization name of other variant
--> tests/ui/conflict/alias-enum.rs:44:5
|
44 | / /// Expected error on "alias b", because this is a name of other variant
45 | | /// Error on "alias a" is not expected because this is a name of this variant
46 | | /// Error on "alias c" is not expected because variant `c` is skipped
47 | | #[serde(alias = "a", alias = "b", alias = "c")]
48 | | a,
| |_____^
error: alias `c` already used by variant a
--> tests/ui/conflict/alias-enum.rs:50:5
|
50 | / /// Expected error on "alias c", because it is already used as alias of `a`
51 | | #[serde(alias = "c")]
52 | | b,
| |_____^
error: alias `c` conflicts with deserialization name of other variant
--> tests/ui/conflict/alias-enum.rs:60:5
|
60 | / /// Expected error on "alias c", because this is a name of other variant after
61 | | /// applying rename rules
62 | | #[serde(alias = "b", alias = "c")]
63 | | a,
| |_____^
error: alias `B` conflicts with deserialization name of other variant
--> tests/ui/conflict/alias-enum.rs:72:5
|
72 | / /// Expected error on "alias B", because this is a name of variant after
73 | | /// applying rename rules
74 | | #[serde(alias = "B", alias = "c")]
75 | | a,
| |_____^