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carbon-lang/toolchain/check/testdata/class/fail_field_modifiers.carbon
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josh11bJosh LRichard Smith
 67f2c9ce26 Add a FacetValue instruction (#4545) 
The new `FacetValue` instruction represents `C as I` for some type `C`
and facet type `I`. It is named `FacetValue` instead of just `Facet` to
parallel the `FacetType` instruction.

This PR uses this instruction represent the facet value `Self` in an
`impl` declaration. This instruction will be used in the future to also
support things like:

* `C as I` where `C` is a class; and
* forming a specific for a generic with a `T:! I` parameter where `T` is
being given a concrete value.

(Here `I` is an interface or other non-`type` facet type.)

Also do some renaming and add some comments to make things a bit more
clear.

* `FacetTypeAccess` -> `FacetAccessType` to clarify this is not access
of a facet type, but access of the type of a facet
* `.facet_id` -> `.facet_value_inst_id` to parallel the `FacetValue`
instruction

`FacetAccessWitness` will be in a future PR.

---------

Co-authored-by: Josh L <josh11b@users.noreply.github.com>
Co-authored-by: Richard Smith <richard@metafoo.co.uk>
2024-11-21 22:29:53 +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/fail_field_modifiers.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/fail_field_modifiers.carbon
class Class {
// CHECK:STDERR: fail_field_modifiers.carbon:[[@LINE+4]]:3: error: `default` not allowed on `var` declaration [ModifierNotAllowedOnDeclaration]
// CHECK:STDERR: default var j: i32;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
default var j: i32;
// CHECK:STDERR: fail_field_modifiers.carbon:[[@LINE+4]]:3: error: `final` not allowed on `var` declaration [ModifierNotAllowedOnDeclaration]
// CHECK:STDERR: final var k: i32;
// CHECK:STDERR: ^~~~~
// CHECK:STDERR:
final var k: i32;
// CHECK:STDERR: fail_field_modifiers.carbon:[[@LINE+4]]:3: error: `default` not allowed; requires interface scope [ModifierRequiresInterface]
// CHECK:STDERR: default let l: i32 = 0;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
default let l: i32 = 0;
// CHECK:STDERR: fail_field_modifiers.carbon:[[@LINE+3]]:3: error: `final` not allowed; requires interface scope [ModifierRequiresInterface]
// CHECK:STDERR: final let m: i32 = 1;
// CHECK:STDERR: ^~~~~
final let m: i32 = 1;
}
// CHECK:STDOUT: --- fail_field_modifiers.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Class: type = class_type @Class [template]
// CHECK:STDOUT: %.1: Core.IntLiteral = int_value 32 [template]
// CHECK:STDOUT: %Int.type: type = fn_type @Int [template]
// CHECK:STDOUT: %Int: %Int.type = struct_value () [template]
// CHECK:STDOUT: %i32: type = int_type signed, %.1 [template]
// CHECK:STDOUT: %.2: type = unbound_element_type %Class, %i32 [template]
// CHECK:STDOUT: %.3: Core.IntLiteral = int_value 0 [template]
// CHECK:STDOUT: %Convert.type.2: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
// CHECK:STDOUT: %Convert.type.14: type = fn_type @Convert.2, @impl.1(%.1) [template]
// CHECK:STDOUT: %Convert.14: %Convert.type.14 = struct_value () [template]
// CHECK:STDOUT: %.27: <witness> = interface_witness (%Convert.14) [template]
// CHECK:STDOUT: %.28: <bound method> = bound_method %.3, %Convert.14 [template]
// CHECK:STDOUT: %.29: <specific function> = specific_function %.28, @Convert.2(%.1) [template]
// CHECK:STDOUT: %.30: %i32 = int_value 0 [template]
// CHECK:STDOUT: %.31: Core.IntLiteral = int_value 1 [template]
// CHECK:STDOUT: %.32: <bound method> = bound_method %.31, %Convert.14 [template]
// CHECK:STDOUT: %.33: <specific function> = specific_function %.32, @Convert.2(%.1) [template]
// CHECK:STDOUT: %.34: %i32 = int_value 1 [template]
// CHECK:STDOUT: %.35: type = struct_type {.j: %i32, .k: %i32} [template]
// CHECK:STDOUT: %.36: <witness> = complete_type_witness %.35 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int = %import_ref.1
// CHECK:STDOUT: .ImplicitAs = %import_ref.2
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .Class = %Class.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Class.decl: type = class_decl @Class [template = constants.%Class] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Class {
// CHECK:STDOUT: %.loc17_18.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
// CHECK:STDOUT: %int.make_type_signed.loc17: init type = call constants.%Int(%.loc17_18.1) [template = constants.%i32]
// CHECK:STDOUT: %.loc17_18.2: type = value_of_initializer %int.make_type_signed.loc17 [template = constants.%i32]
// CHECK:STDOUT: %.loc17_18.3: type = converted %int.make_type_signed.loc17, %.loc17_18.2 [template = constants.%i32]
// CHECK:STDOUT: %.loc17_16: %.2 = field_decl j, element0 [template]
// CHECK:STDOUT: %.loc23_16.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
// CHECK:STDOUT: %int.make_type_signed.loc23: init type = call constants.%Int(%.loc23_16.1) [template = constants.%i32]
// CHECK:STDOUT: %.loc23_16.2: type = value_of_initializer %int.make_type_signed.loc23 [template = constants.%i32]
// CHECK:STDOUT: %.loc23_16.3: type = converted %int.make_type_signed.loc23, %.loc23_16.2 [template = constants.%i32]
// CHECK:STDOUT: %.loc23_14: %.2 = field_decl k, element1 [template]
// CHECK:STDOUT: %.loc29_18.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
// CHECK:STDOUT: %int.make_type_signed.loc29: init type = call constants.%Int(%.loc29_18.1) [template = constants.%i32]
// CHECK:STDOUT: %.loc29_18.2: type = value_of_initializer %int.make_type_signed.loc29 [template = constants.%i32]
// CHECK:STDOUT: %.loc29_18.3: type = converted %int.make_type_signed.loc29, %.loc29_18.2 [template = constants.%i32]
// CHECK:STDOUT: %.loc29_24: Core.IntLiteral = int_value 0 [template = constants.%.3]
// CHECK:STDOUT: %.loc29_25.1: %Convert.type.2 = interface_witness_access constants.%.27, element0 [template = constants.%Convert.14]
// CHECK:STDOUT: %.loc29_25.2: <bound method> = bound_method %.loc29_24, %.loc29_25.1 [template = constants.%.28]
// CHECK:STDOUT: %.loc29_25.3: <specific function> = specific_function %.loc29_25.2, @Convert.2(constants.%.1) [template = constants.%.29]
// CHECK:STDOUT: %int.convert_checked.loc29: init %i32 = call %.loc29_25.3(%.loc29_24) [template = constants.%.30]
// CHECK:STDOUT: %.loc29_25.4: %i32 = value_of_initializer %int.convert_checked.loc29 [template = constants.%.30]
// CHECK:STDOUT: %.loc29_25.5: %i32 = converted %.loc29_24, %.loc29_25.4 [template = constants.%.30]
// CHECK:STDOUT: %l: %i32 = bind_name l, %.loc29_25.5
// CHECK:STDOUT: %.loc34_16.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
// CHECK:STDOUT: %int.make_type_signed.loc34: init type = call constants.%Int(%.loc34_16.1) [template = constants.%i32]
// CHECK:STDOUT: %.loc34_16.2: type = value_of_initializer %int.make_type_signed.loc34 [template = constants.%i32]
// CHECK:STDOUT: %.loc34_16.3: type = converted %int.make_type_signed.loc34, %.loc34_16.2 [template = constants.%i32]
// CHECK:STDOUT: %.loc34_22: Core.IntLiteral = int_value 1 [template = constants.%.31]
// CHECK:STDOUT: %.loc34_23.1: %Convert.type.2 = interface_witness_access constants.%.27, element0 [template = constants.%Convert.14]
// CHECK:STDOUT: %.loc34_23.2: <bound method> = bound_method %.loc34_22, %.loc34_23.1 [template = constants.%.32]
// CHECK:STDOUT: %.loc34_23.3: <specific function> = specific_function %.loc34_23.2, @Convert.2(constants.%.1) [template = constants.%.33]
// CHECK:STDOUT: %int.convert_checked.loc34: init %i32 = call %.loc34_23.3(%.loc34_22) [template = constants.%.34]
// CHECK:STDOUT: %.loc34_23.4: %i32 = value_of_initializer %int.convert_checked.loc34 [template = constants.%.34]
// CHECK:STDOUT: %.loc34_23.5: %i32 = converted %.loc34_22, %.loc34_23.4 [template = constants.%.34]
// CHECK:STDOUT: %m: %i32 = bind_name m, %.loc34_23.5
// CHECK:STDOUT: %.loc35: <witness> = complete_type_witness %.35 [template = constants.%.36]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Class
// CHECK:STDOUT: .j = %.loc17_16
// CHECK:STDOUT: .k = %.loc23_14
// CHECK:STDOUT: .l = %l
// CHECK:STDOUT: .m = %m
// CHECK:STDOUT: }
// CHECK:STDOUT:
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