Files
carbon-lang/toolchain/check/testdata/class/redeclaration.carbon
T
Jon Ross-PerkinsandRichard Smith 7ded56ef35 Improve namespace handling in imports. (#4153)
This implements a few closely related features:

- Starts merging namespaces discovered inside imports.
- Stores results of cross-package name lookup as an entry inside the
scope.
  - Note this is particularly visible with `i32`.
- Moves more of the imported instructions to the import scope.

Note this is primarily for executing the namespace TODO in check.cpp,
which is removed here.
`testdata/namespace/merging_with_indirections.carbon` tests key
behavior.

---------

Co-authored-by: Richard Smith <richard@metafoo.co.uk>
2024-07-24 19:56:17 +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
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/redeclaration.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/redeclaration.carbon
class Class;
class Class {
fn F[self: Self](b: bool);
}
fn Class.F[self: Self](b: bool) {}
// CHECK:STDOUT: --- redeclaration.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Class: type = class_type @Class [template]
// CHECK:STDOUT: %Bool.type: type = fn_type @Bool [template]
// CHECK:STDOUT: %.1: type = tuple_type () [template]
// CHECK:STDOUT: %Bool: %Bool.type = struct_value () [template]
// CHECK:STDOUT: %F.type: type = fn_type @F [template]
// CHECK:STDOUT: %F: %F.type = struct_value () [template]
// CHECK:STDOUT: %.2: type = struct_type {} [template]
// CHECK:STDOUT: %.3: type = ptr_type %.2 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Bool = %import_ref
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/operators
// CHECK:STDOUT: import Core//prelude/types
// CHECK:STDOUT: import Core//prelude/operators/arithmetic
// CHECK:STDOUT: import Core//prelude/operators/bitwise
// CHECK:STDOUT: import Core//prelude/operators/comparison
// CHECK:STDOUT: import Core//prelude/types/bool
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref: %Bool.type = import_ref Core//prelude/types/bool, inst+2, loaded [template = constants.%Bool]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Class = %Class.decl.loc11
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Class.decl.loc11: type = class_decl @Class [template = constants.%Class] {}
// CHECK:STDOUT: %Class.decl.loc13: type = class_decl @Class [template = constants.%Class] {}
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {
// CHECK:STDOUT: %Self.ref: type = name_ref Self, constants.%Class [template = constants.%Class]
// CHECK:STDOUT: %self.loc17_12.1: %Class = param self
// CHECK:STDOUT: @F.%self: %Class = bind_name self, %self.loc17_12.1
// CHECK:STDOUT: %bool.make_type: init type = call constants.%Bool() [template = bool]
// CHECK:STDOUT: %.loc17_27.1: type = value_of_initializer %bool.make_type [template = bool]
// CHECK:STDOUT: %.loc17_27.2: type = converted %bool.make_type, %.loc17_27.1 [template = bool]
// CHECK:STDOUT: %b.loc17_24.1: bool = param b
// CHECK:STDOUT: @F.%b: bool = bind_name b, %b.loc17_24.1
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Class {
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {
// CHECK:STDOUT: %Self.ref: type = name_ref Self, constants.%Class [template = constants.%Class]
// CHECK:STDOUT: %self.loc14_8.1: %Class = param self
// CHECK:STDOUT: %self.loc14_8.2: %Class = bind_name self, %self.loc14_8.1
// CHECK:STDOUT: %bool.make_type: init type = call constants.%Bool() [template = bool]
// CHECK:STDOUT: %.loc14_23.1: type = value_of_initializer %bool.make_type [template = bool]
// CHECK:STDOUT: %.loc14_23.2: type = converted %bool.make_type, %.loc14_23.1 [template = bool]
// CHECK:STDOUT: %b.loc14_20.1: bool = param b
// CHECK:STDOUT: %b.loc14_20.2: bool = bind_name b, %b.loc14_20.1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Class
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Bool() -> type = "bool.make_type";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F[%self: %Class](%b: bool) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: