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https://github.com/carbon-language/carbon-lang.git
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Richard SmithandJon Ross-Perkins
a1317e61e0
Check that functions in an `impl` are declared properly. For now, simply reuse the redeclaration checking logic. Longer-term, we need to check that the signatures match in a more approximate way, after substituting the `Self` type into the signature in the `interface`. --------- Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
48 lines
1.8 KiB
Plaintext
48 lines
1.8 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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interface I { let T:! type; }
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// CHECK:STDERR: fail_impl_bad_assoc_const.carbon:[[@LINE+3]]:1: ERROR: Semantics TODO: `impl of interface with associated constant`.
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// CHECK:STDERR: impl bool as I {}
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~
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impl bool as I {}
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// CHECK:STDOUT: --- fail_impl_bad_assoc_const.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %.1: type = interface_type @I [template]
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// CHECK:STDOUT: %.2: type = assoc_entity_type @I, type [template]
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// CHECK:STDOUT: %.3: <associated type in I> = assoc_entity element0, @I.%T [template]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [template] {
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// CHECK:STDOUT: .I = %I.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %I.decl: type = interface_decl @I [template = constants.%.1] {}
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// CHECK:STDOUT: impl_decl @impl {
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// CHECK:STDOUT: %I.ref: type = name_ref I, %I.decl [template = constants.%.1]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @I {
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// CHECK:STDOUT: %Self: I = bind_symbolic_name Self [symbolic]
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// CHECK:STDOUT: %T: type = assoc_const_decl T [template]
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// CHECK:STDOUT: %.loc7: <associated type in I> = assoc_entity element0, %T [template = constants.%.3]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = %Self
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// CHECK:STDOUT: .T = %.loc7
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// CHECK:STDOUT: witness = (%T)
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: impl @impl: bool as I {
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: witness = <error>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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