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https://github.com/carbon-language/carbon-lang.git
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Richard SmithandJon Ross-Perkins
33c1e9ca95
When declaring an associated entity in an interface -- just associated functions for now -- create an associated entity value and corresponding type to represent a "slot in a witness table". Also track the list of associated entities on the interface so that we will eventually be able to check impls against them. Associated entities are represented as the integer index of their slot in a witness table. --------- Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
52 lines
1.6 KiB
Plaintext
52 lines
1.6 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 Simple {
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fn F();
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}
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impl i32 as Simple {
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fn F() {}
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}
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// CHECK:STDOUT: --- basic.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %.1: type = interface_type @Simple [template]
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// CHECK:STDOUT: %.2: type = assoc_entity_type @Simple, <function> [template]
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// CHECK:STDOUT: %.3: <associated <function> in Simple> = assoc_entity element0, @Simple.%F [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 {.Simple = %Simple.decl} [template]
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// CHECK:STDOUT: %Simple.decl = interface_decl @Simple, () [template = constants.%.1]
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// CHECK:STDOUT: impl_decl @impl, (<unexpected instref inst+7>)
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @Simple {
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// CHECK:STDOUT: %F: <function> = fn_decl @F.1 [template]
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// CHECK:STDOUT: %.loc8: <associated <function> in Simple> = assoc_entity element0, %F [template = constants.%.3]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .F = %.loc8
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// CHECK:STDOUT: witness = (%F)
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: impl @impl: i32 as Simple {
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// CHECK:STDOUT: %F: <function> = fn_decl @F.2 [template]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .F = %F
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F.1();
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F.2() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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