mirror of
https://github.com/carbon-language/carbon-lang.git
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Richard SmithandJon Ross-Perkins
de0c02ddae
This builds out a little infrastructure for one name scope to `extend` another. We'll need more refinement here to cover other cases, but this should provide some foundation for that future work. --------- Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
88 lines
2.5 KiB
Plaintext
88 lines
2.5 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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base class B {
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fn F();
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class C {
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fn F();
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}
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}
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class D {
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extend base: B;
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}
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// TODO: This should be rejected.
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fn D.F() {}
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// CHECK:STDERR: fail_base_method_define.carbon:[[@LINE+3]]:6: ERROR: Name `C` not found.
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// CHECK:STDERR: fn D.C.F() {}
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// CHECK:STDERR: ^
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fn D.C.F() {}
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// CHECK:STDOUT: --- fail_base_method_define.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %.loc12_3.1: type = struct_type {}
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// CHECK:STDOUT: %.loc12_3.2: type = tuple_type ()
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// CHECK:STDOUT: %.loc7: type = ptr_type {}
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// CHECK:STDOUT: %.loc17: type = struct_type {.base: B}
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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 {.B = %B.decl, .D = %D.decl}
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// CHECK:STDOUT: %B.decl = class_decl @B, ()
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// CHECK:STDOUT: %B: type = class_type @B
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// CHECK:STDOUT: %D.decl = class_decl @D, ()
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// CHECK:STDOUT: %D: type = class_type @D
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// CHECK:STDOUT: %F: <function> = fn_decl @F.3
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// CHECK:STDOUT: %.loc25: <function> = fn_decl @.1
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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: %F: <function> = fn_decl @F.1
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// CHECK:STDOUT: %C.decl = class_decl @C, ()
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// CHECK:STDOUT: %C: type = class_type @C
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .F = %F
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// CHECK:STDOUT: .C = %C.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @C {
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// CHECK:STDOUT: %F: <function> = fn_decl @F.2
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .F = %F
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @D {
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// CHECK:STDOUT: %B.ref: type = name_ref B, file.%B
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// CHECK:STDOUT: %.loc16_17.1: type = unbound_element_type D, B
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// CHECK:STDOUT: %.loc16_17.2: <unbound element of class D> = base_decl B, element0
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .base = %.loc16_17.2
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// CHECK:STDOUT: .F = file.%F
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// CHECK:STDOUT: extend name_scope1
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F.1();
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F.2();
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F.3() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @.1() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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