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carbon-lang/toolchain/check/testdata/class/fail_redefinition.carbon
T
Richard Smith 67d5446b03 Add Self to the name scope for a class. (#3736)
Rather than just adding `Self` to the lexical scope, add it to the
class's name scope so that it is visible in later lexical scopes for the
same class -- in particular, for out-of-line definitions of members.
Also switch some tests in `check/testdata/class` over to making
idiomatic use of `Self` both inside a class and out-of-line, now that it
works more consistently.

Note that this does not permit using `Class.Self`, but only because we
don't yet support keyword names after `.` at all. If that changed, one
could use `Class.Self` to redundantly refer to `Class`. Whether we allow
that is left to a future decision.
2024-02-29 21:33:47 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
class Class {
fn F();
fn H();
}
// CHECK:STDERR: fail_redefinition.carbon:[[@LINE+6]]:1: ERROR: Redefinition of class Class.
// CHECK:STDERR: class Class {
// CHECK:STDERR: ^~~~~~~~~~~~~
// CHECK:STDERR: fail_redefinition.carbon:[[@LINE-8]]:1: Previous definition was here.
// CHECK:STDERR: class Class {
// CHECK:STDERR: ^~~~~~~~~~~~~
class Class {
fn G();
fn H();
}
fn Class.F() {}
fn Class.G() {}
fn Class.H() {}
// CHECK:STDOUT: --- fail_redefinition.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Class: type = class_type @Class [template]
// CHECK:STDOUT: %.1: type = struct_type {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace {
// CHECK:STDOUT: .Class = %Class.decl.loc7
// CHECK:STDOUT: } [template]
// CHECK:STDOUT: %Class.decl.loc7 = class_decl @Class {} [template = constants.%Class]
// CHECK:STDOUT: %Class.decl.loc18 = class_decl @Class {} [template = constants.%Class]
// CHECK:STDOUT: %F: <function> = fn_decl @F {} [template]
// CHECK:STDOUT: %G: <function> = fn_decl @G {} [template]
// CHECK:STDOUT: %H: <function> = fn_decl @H {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Class {
// CHECK:STDOUT: %G: <function> = fn_decl @G {} [template]
// CHECK:STDOUT: %H: <function> = fn_decl @H {} [template]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Class
// CHECK:STDOUT: .F = <unexpected instref inst+3>
// CHECK:STDOUT: .H = <unexpected instref inst+4>
// CHECK:STDOUT: .G = %G
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @H() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: