mirror of
https://github.com/carbon-language/carbon-lang.git
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Geoff Romerandjosh11b
f5b5731c76
This enables us to decouple class fields from pattern matching. --------- Co-authored-by: josh11b <15258583+josh11b@users.noreply.github.com>
111 lines
5.0 KiB
Plaintext
111 lines
5.0 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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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/fail_extend_cycle.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/fail_extend_cycle.carbon
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base class A {
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}
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base class B {
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// This ensures that the compiler treats A as complete.
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extend base: A;
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}
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// CHECK:STDERR: fail_extend_cycle.carbon:[[@LINE+7]]:1: error: redefinition of `class A` [RedeclRedef]
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// CHECK:STDERR: base class A {
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// CHECK:STDERR: ^~~~~~~~~~~~~~
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// CHECK:STDERR: fail_extend_cycle.carbon:[[@LINE-11]]:1: note: previously defined here [RedeclPrevDef]
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// CHECK:STDERR: base class A {
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// CHECK:STDERR: ^~~~~~~~~~~~~~
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// CHECK:STDERR:
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base class A {
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extend base: A;
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// CHECK:STDERR: fail_extend_cycle.carbon:[[@LINE+4]]:10: error: name `C` not found [NameNotFound]
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// CHECK:STDERR: var c: C;
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// CHECK:STDERR: ^
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// CHECK:STDERR:
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var c: C;
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}
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// CHECK:STDOUT: --- fail_extend_cycle.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %A.466950.1: type = class_type @A.1 [concrete]
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// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
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// CHECK:STDOUT: %complete_type.357: <witness> = complete_type_witness %empty_struct_type [concrete]
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// CHECK:STDOUT: %B: type = class_type @B [concrete]
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// CHECK:STDOUT: %B.elem: type = unbound_element_type %B, %A.466950.1 [concrete]
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// CHECK:STDOUT: %struct_type.base: type = struct_type {.base: %A.466950.1} [concrete]
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// CHECK:STDOUT: %complete_type.020: <witness> = complete_type_witness %struct_type.base [concrete]
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// CHECK:STDOUT: %A.466950.2: type = class_type @A.2 [concrete]
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// CHECK:STDOUT: %A.elem: type = unbound_element_type %A.466950.2, %A.466950.1 [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
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// CHECK:STDOUT: import Core//prelude
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// CHECK:STDOUT: import Core//prelude/...
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// CHECK:STDOUT: }
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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 [concrete] {
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// CHECK:STDOUT: .Core = imports.%Core
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// CHECK:STDOUT: .A = %A.decl.loc11
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// CHECK:STDOUT: .B = %B.decl
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// CHECK:STDOUT: .C = <poisoned>
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core.import = import Core
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// CHECK:STDOUT: %A.decl.loc11: type = class_decl @A.1 [concrete = constants.%A.466950.1] {} {}
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// CHECK:STDOUT: %B.decl: type = class_decl @B [concrete = constants.%B] {} {}
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// CHECK:STDOUT: %A.decl.loc26: type = class_decl @A.2 [concrete = constants.%A.466950.2] {} {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @A.1 {
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// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete = constants.%empty_struct_type]
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// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete = constants.%complete_type.357]
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// CHECK:STDOUT: complete_type_witness = %complete_type
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = constants.%A.466950.1
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// CHECK:STDOUT: .C = <poisoned>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @B {
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// CHECK:STDOUT: %A.ref: type = name_ref A, file.%A.decl.loc11 [concrete = constants.%A.466950.1]
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// CHECK:STDOUT: %.loc16: %B.elem = base_decl %A.ref, element0 [concrete]
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// CHECK:STDOUT: %struct_type.base: type = struct_type {.base: %A.466950.1} [concrete = constants.%struct_type.base]
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// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.base [concrete = constants.%complete_type.020]
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// CHECK:STDOUT: complete_type_witness = %complete_type
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = constants.%B
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// CHECK:STDOUT: .A = <poisoned>
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// CHECK:STDOUT: .base = %.loc16
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// CHECK:STDOUT: extend %A.ref
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @A.2 {
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// CHECK:STDOUT: %A.ref: type = name_ref A, file.%A.decl.loc11 [concrete = constants.%A.466950.1]
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// CHECK:STDOUT: %.loc27: %A.elem = base_decl %A.ref, element0 [concrete]
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// CHECK:STDOUT: %C.ref: <error> = name_ref C, <error> [concrete = <error>]
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// CHECK:STDOUT: %.loc32: <error> = field_decl c, element1 [concrete]
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// CHECK:STDOUT: %struct_type.base.c: type = struct_type {.base: %A.466950.1, .c: <error>} [concrete = <error>]
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// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.base.c [concrete = <error>]
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// CHECK:STDOUT: complete_type_witness = %complete_type
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = constants.%A.466950.2
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// CHECK:STDOUT: .A = <poisoned>
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// CHECK:STDOUT: .base = %.loc27
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// CHECK:STDOUT: .C = <poisoned>
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// CHECK:STDOUT: .c = %.loc32
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// CHECK:STDOUT: extend %A.ref
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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