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refactor(resolve): clean up the early error return caused by non-call

This commit is contained in:
bohan 2023-05-10 22:35:01 +08:00
parent 25444e5a2e
commit 7c1bc0353b
9 changed files with 65 additions and 29 deletions
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4
compiler/rustc_resolve/src/late.rs
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@ -3528,10 +3528,6 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> {
//
// Similar thing, for types, happens in `report_errors` above.
let report_errors_for_call = |this: &mut Self, parent_err: Spanned<ResolutionError<'a>>| {
if !source.is_call() {
return Some(parent_err);
}
// Before we start looking for candidates, we have to get our hands
// on the type user is trying to perform invocation on; basically:
// we're transforming `HashMap::new` into just `HashMap`.

5
tests/ui/generic-associated-types/equality-bound.stderr
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@ -36,7 +36,10 @@ error[E0433]: failed to resolve: use of undeclared type `I`
--> $DIR/equality-bound.rs:9:41
|
LL | fn sum3<J: Iterator>(i: J) -> i32 where I::Item = i32 {
| ^ use of undeclared type `I`
| ^
| |
| use of undeclared type `I`
| help: a type parameter with a similar name exists: `J`
error: aborting due to 4 previous errors

15
tests/ui/macros/builtin-prelude-no-accidents.stderr
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@ -4,18 +4,21 @@ error[E0433]: failed to resolve: use of undeclared crate or module `env`
LL | env::current_dir;
| ^^^ use of undeclared crate or module `env`
error[E0433]: failed to resolve: use of undeclared crate or module `vec`
--> $DIR/builtin-prelude-no-accidents.rs:7:14
|
LL | type B = vec::Vec<u8>;
| ^^^
| |
| use of undeclared crate or module `vec`
| help: a struct with a similar name exists (notice the capitalization): `Vec`
error[E0433]: failed to resolve: use of undeclared crate or module `panic`
--> $DIR/builtin-prelude-no-accidents.rs:6:14
|
LL | type A = panic::PanicInfo;
| ^^^^^ use of undeclared crate or module `panic`
error[E0433]: failed to resolve: use of undeclared crate or module `vec`
--> $DIR/builtin-prelude-no-accidents.rs:7:14
|
LL | type B = vec::Vec<u8>;
| ^^^ use of undeclared crate or module `vec`
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0433`.

12
tests/ui/parser/dyn-trait-compatibility.stderr
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@ -1,9 +1,3 @@
error[E0433]: failed to resolve: use of undeclared crate or module `dyn`
--> $DIR/dyn-trait-compatibility.rs:3:11
|
LL | type A1 = dyn::dyn;
| ^^^ use of undeclared crate or module `dyn`
error[E0412]: cannot find type `dyn` in this scope
--> $DIR/dyn-trait-compatibility.rs:1:11
|
@ -46,6 +40,12 @@ error[E0412]: cannot find type `dyn` in this scope
LL | type A3 = dyn<<dyn as dyn>::dyn>;
| ^^^ not found in this scope
error[E0433]: failed to resolve: use of undeclared crate or module `dyn`
--> $DIR/dyn-trait-compatibility.rs:3:11
|
LL | type A1 = dyn::dyn;
| ^^^ use of undeclared crate or module `dyn`
error: aborting due to 8 previous errors
Some errors have detailed explanations: E0405, E0412, E0433.

15
tests/ui/pattern/pattern-error-continue.stderr
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@ -1,9 +1,3 @@
error[E0433]: failed to resolve: use of undeclared type `E`
--> $DIR/pattern-error-continue.rs:33:9
|
LL | E::V => {}
| ^ use of undeclared type `E`
error[E0532]: expected tuple struct or tuple variant, found unit variant `A::D`
--> $DIR/pattern-error-continue.rs:18:9
|
@ -56,6 +50,15 @@ note: function defined here
LL | fn f(_c: char) {}
| ^ --------
error[E0433]: failed to resolve: use of undeclared type `E`
--> $DIR/pattern-error-continue.rs:33:9
|
LL | E::V => {}
| ^
| |
| use of undeclared type `E`
| help: an enum with a similar name exists: `A`
error: aborting due to 5 previous errors
Some errors have detailed explanations: E0023, E0308, E0433, E0532.

3
tests/ui/resolve/issue-109250.rs Normal file
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@ -0,0 +1,3 @@
fn main() { //~ HELP consider importing
HashMap::new; //~ ERROR failed to resolve: use of undeclared type `HashMap`
}

14
tests/ui/resolve/issue-109250.stderr Normal file
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@ -0,0 +1,14 @@
error[E0433]: failed to resolve: use of undeclared type `HashMap`
--> $DIR/issue-109250.rs:2:5
|
LL | HashMap::new;
| ^^^^^^^ use of undeclared type `HashMap`
|
help: consider importing this struct
|
LL + use std::collections::HashMap;
|
error: aborting due to previous error
For more information about this error, try `rustc --explain E0433`.

14
tests/ui/resolve/resolve-variant-assoc-item.stderr
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@ -3,12 +3,26 @@ error[E0433]: failed to resolve: `V` is a variant, not a module
|
LL | E::V::associated_item;
| ^ `V` is a variant, not a module
|
help: there is an enum variant `E::V`; try using the variant's enum
|
LL | E;
| ~
error[E0433]: failed to resolve: `V` is a variant, not a module
--> $DIR/resolve-variant-assoc-item.rs:6:5
|
LL | V::associated_item;
| ^ `V` is a variant, not a module
|
help: there is an enum variant `E::V`; try using the variant's enum
|
LL | E;
| ~
help: an enum with a similar name exists
|
LL | E::associated_item;
| ~
error: aborting due to 2 previous errors

12
tests/ui/type/type-path-err-node-types.stderr
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@ -1,9 +1,3 @@
error[E0433]: failed to resolve: use of undeclared type `NonExistent`
--> $DIR/type-path-err-node-types.rs:15:5
|
LL | NonExistent::Assoc::<u8>;
| ^^^^^^^^^^^ use of undeclared type `NonExistent`
error[E0412]: cannot find type `Nonexistent` in this scope
--> $DIR/type-path-err-node-types.rs:7:12
|
@ -22,6 +16,12 @@ error[E0425]: cannot find value `nonexistent` in this scope
LL | nonexistent.nonexistent::<u8>();
| ^^^^^^^^^^^ not found in this scope
error[E0433]: failed to resolve: use of undeclared type `NonExistent`
--> $DIR/type-path-err-node-types.rs:15:5
|
LL | NonExistent::Assoc::<u8>;
| ^^^^^^^^^^^ use of undeclared type `NonExistent`
error[E0282]: type annotations needed
--> $DIR/type-path-err-node-types.rs:23:14
|