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https://github.com/carbon-language/carbon-lang.git
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Richard SmithandJon Ross-Perkins
abf23ae7fe
Add an instruction to hold the witness table, along with a corresponding
type to keep things simpler. Add `check/impl.{h,cpp}` to house the new
logic. No checking of impls against interfaces is performed yet.
---------
Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
61 lines
2.1 KiB
Plaintext
61 lines
2.1 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: %.4: <witness> = interface_witness @Simple, () [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: .Simple = %Simple.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Simple.decl: type = interface_decl @Simple [template = constants.%.1] {}
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// CHECK:STDOUT: impl_decl @impl {
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// CHECK:STDOUT: %Simple.ref: type = name_ref Simple, %Simple.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 @Simple {
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// CHECK:STDOUT: %Self: Simple = bind_symbolic_name Self [symbolic]
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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: .Self = %Self
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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: %.1: <witness> = interface_witness @Simple, () [template = constants.%.4]
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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: witness = %.1
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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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