mirror of
https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
d944347e7b
This is in particular to avoid churn from changes such as #4370. I think the import list can be helpful (particularly to understand what the library is aware of), but it's a different trade-off for the prelude package due to the implicit imports.
101 lines
4.1 KiB
Plaintext
101 lines
4.1 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+3]]: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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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: type = class_type @A [template]
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// CHECK:STDOUT: %.1: type = struct_type {} [template]
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// CHECK:STDOUT: %.2: <witness> = complete_type_witness %.1 [template]
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// CHECK:STDOUT: %B: type = class_type @B [template]
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// CHECK:STDOUT: %.3: type = tuple_type () [template]
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// CHECK:STDOUT: %.4: type = ptr_type %.1 [template]
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// CHECK:STDOUT: %.5: type = unbound_element_type %B, %A [template]
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// CHECK:STDOUT: %.6: type = struct_type {.base: %A} [template]
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// CHECK:STDOUT: %.7: <witness> = complete_type_witness %.6 [template]
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// CHECK:STDOUT: %.8: type = class_type @.1 [template]
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// CHECK:STDOUT: %.9: type = unbound_element_type %.8, %A [template]
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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, [template] {
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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 [template] {
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// CHECK:STDOUT: .Core = imports.%Core
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// CHECK:STDOUT: .A = %A.decl
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// CHECK:STDOUT: .B = %B.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core.import = import Core
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// CHECK:STDOUT: %A.decl: type = class_decl @A [template = constants.%A] {} {}
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// CHECK:STDOUT: %B.decl: type = class_decl @B [template = constants.%B] {} {}
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// CHECK:STDOUT: %.decl: type = class_decl @.1 [template = constants.%.8] {} {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @A {
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// CHECK:STDOUT: %.loc12: <witness> = complete_type_witness %.1 [template = constants.%.2]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = constants.%A
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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 [template = constants.%A]
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// CHECK:STDOUT: %.loc16: %.5 = base_decl %A, element0 [template]
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// CHECK:STDOUT: %.loc17: <witness> = complete_type_witness %.6 [template = constants.%.7]
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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: .base = %.loc16
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// CHECK:STDOUT: extend name_scope2
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @.1 {
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// CHECK:STDOUT: %A.ref: type = name_ref A, file.%A.decl [template = constants.%A]
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// CHECK:STDOUT: %.loc27: %.9 = base_decl %A, element0 [template]
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// CHECK:STDOUT: %C.ref: <error> = name_ref C, <error> [template = <error>]
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// CHECK:STDOUT: %.loc31: <error> = field_decl c, element1 [template]
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// CHECK:STDOUT: %.loc32: <witness> = complete_type_witness <error> [template = <error>]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = constants.%.8
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// CHECK:STDOUT: .base = %.loc27
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// CHECK:STDOUT: .c = %.loc31
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// CHECK:STDOUT: extend name_scope2
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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