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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>
80 lines
3.0 KiB
Plaintext
80 lines
3.0 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 Interface { }
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// CHECK:STDERR: fail_duplicate.carbon:[[@LINE+6]]:1: ERROR: Redefinition of interface Interface.
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// CHECK:STDERR: interface Interface {
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR: fail_duplicate.carbon:[[@LINE-5]]:1: Previous definition was here.
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// CHECK:STDERR: interface Interface { }
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
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interface Interface {
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fn F();
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}
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fn Function();
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// CHECK:STDERR: fail_duplicate.carbon:[[@LINE+6]]:1: ERROR: Duplicate name being declared in the same scope.
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// CHECK:STDERR: interface Function;
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~
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// CHECK:STDERR: fail_duplicate.carbon:[[@LINE-5]]:1: Name is previously declared here.
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// CHECK:STDERR: fn Function();
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// CHECK:STDERR: ^~~~~~~~~~~~~~
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interface Function;
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class Class;
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// CHECK:STDERR: fail_duplicate.carbon:[[@LINE+6]]:1: ERROR: Duplicate name being declared in the same scope.
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// CHECK:STDERR: interface Class { }
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// CHECK:STDERR: ^~~~~~~~~~~~~~~~~
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// CHECK:STDERR: fail_duplicate.carbon:[[@LINE-5]]:1: Name is previously declared here.
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// CHECK:STDERR: class Class;
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// CHECK:STDERR: ^~~~~~~~~~~~
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interface Class { }
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// CHECK:STDOUT: --- fail_duplicate.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %.1: type = interface_type @Interface [template]
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// CHECK:STDOUT: %.2: type = interface_type @.1 [template]
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// CHECK:STDOUT: %Class: type = class_type @Class [template]
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// CHECK:STDOUT: %.3: type = interface_type @.2 [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 {.Interface = %Interface.decl.loc7, .Function = %Function, .Class = %Class.decl} [template]
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// CHECK:STDOUT: %Interface.decl.loc7 = interface_decl @Interface, () [template = constants.%.1]
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// CHECK:STDOUT: %Interface.decl.loc15 = interface_decl @Interface, () [template = constants.%.1]
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// CHECK:STDOUT: %Function: <function> = fn_decl @Function [template]
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// CHECK:STDOUT: %.decl.loc27 = interface_decl @.1, () [template = constants.%.2]
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// CHECK:STDOUT: %Class.decl = class_decl @Class, () [template = constants.%Class]
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// CHECK:STDOUT: %.decl.loc37 = interface_decl @.2, () [template = constants.%.3]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @Interface {
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// CHECK:STDOUT: %F: <function> = fn_decl @F [template]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .F = <error>
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// CHECK:STDOUT: witness = ()
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @.1;
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// CHECK:STDOUT:
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// CHECK:STDOUT: interface @.2 {
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: witness = ()
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @Class;
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F();
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Function();
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// CHECK:STDOUT:
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