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carbon-lang/toolchain/check/testdata/class/fail_adapt_modifiers.carbon
T
Geoff RomerandJon Ross-Perkins dc32aa2690 Initial support for binding patterns in SemIR (#4221) 
Introduces the `BindingPattern` and `SymbolicBindingPattern` insts, and
a separate stack of pattern blocks that they are emitted into. The
intent is to generate the corresponding pattern-matching insts (like
`BindName`) from them in a separate pass, but that is deferred to future
PRs.

See
[here](https://docs.google.com/document/d/1U_vQH17V893J9aF1LJXUnFYBNSs2MjKl4bJPaWCB2zo/edit?usp=sharing&resourcekey=0-w0xGYZ0An31Kpz-wvzSXwQ)
for the design this is based on, but note that during review we have
chosen to deviate from that design by putting the patterns in separate
blocks, and omitting the "forward references" from a `BindingPattern` to
its corresponding `BindName`. This in turn necessitates having separate
inst kinds for symbolic and non-symbolic binding patterns.

---------

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
2024-09-25 19:12:58 +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_adapt_modifiers.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/fail_adapt_modifiers.carbon
class B {}
class C1 {
// CHECK:STDERR: fail_adapt_modifiers.carbon:[[@LINE+4]]:3: error: `private` not allowed on `adapt` declaration
// CHECK:STDERR: private adapt B;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
private adapt B;
}
class C2 {
// CHECK:STDERR: fail_adapt_modifiers.carbon:[[@LINE+4]]:3: error: `abstract` not allowed on `adapt` declaration
// CHECK:STDERR: abstract adapt B;
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
abstract adapt B;
}
class C3 {
// CHECK:STDERR: fail_adapt_modifiers.carbon:[[@LINE+4]]:3: error: `default` not allowed on `adapt` declaration
// CHECK:STDERR: default adapt B;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
default adapt B;
}
class C4 {
// CHECK:STDERR: fail_adapt_modifiers.carbon:[[@LINE+7]]:10: error: `extend` repeated on declaration
// CHECK:STDERR: extend extend adapt B;
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR: fail_adapt_modifiers.carbon:[[@LINE+4]]:3: note: `extend` previously appeared here
// CHECK:STDERR: extend extend adapt B;
// CHECK:STDERR: ^~~~~~
// CHECK:STDERR:
extend extend adapt B;
}
class C5 {
// CHECK:STDERR: fail_adapt_modifiers.carbon:[[@LINE+6]]:10: error: `base` not allowed on declaration with `extend`
// CHECK:STDERR: extend base adapt B;
// CHECK:STDERR: ^~~~
// CHECK:STDERR: fail_adapt_modifiers.carbon:[[@LINE+3]]:3: note: `extend` previously appeared here
// CHECK:STDERR: extend base adapt B;
// CHECK:STDERR: ^~~~~~
extend base adapt B;
}
// CHECK:STDOUT: --- fail_adapt_modifiers.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %B: type = class_type @B [template]
// CHECK:STDOUT: %.1: type = struct_type {} [template]
// CHECK:STDOUT: %.2: <witness> = complete_type_witness %.1 [template]
// CHECK:STDOUT: %C1: type = class_type @C1 [template]
// CHECK:STDOUT: %.3: type = tuple_type () [template]
// CHECK:STDOUT: %.4: type = ptr_type %.1 [template]
// CHECK:STDOUT: %.5: <witness> = complete_type_witness %B [template]
// CHECK:STDOUT: %C2: type = class_type @C2 [template]
// CHECK:STDOUT: %C3: type = class_type @C3 [template]
// CHECK:STDOUT: %C4: type = class_type @C4 [template]
// CHECK:STDOUT: %C5: type = class_type @C5 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// 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/as
// 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: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .B = %B.decl
// CHECK:STDOUT: .C1 = %C1.decl
// CHECK:STDOUT: .C2 = %C2.decl
// CHECK:STDOUT: .C3 = %C3.decl
// CHECK:STDOUT: .C4 = %C4.decl
// CHECK:STDOUT: .C5 = %C5.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %B.decl: type = class_decl @B [template = constants.%B] {} {}
// CHECK:STDOUT: %C1.decl: type = class_decl @C1 [template = constants.%C1] {} {}
// CHECK:STDOUT: %C2.decl: type = class_decl @C2 [template = constants.%C2] {} {}
// CHECK:STDOUT: %C3.decl: type = class_decl @C3 [template = constants.%C3] {} {}
// CHECK:STDOUT: %C4.decl: type = class_decl @C4 [template = constants.%C4] {} {}
// CHECK:STDOUT: %C5.decl: type = class_decl @C5 [template = constants.%C5] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @B {
// CHECK:STDOUT: %.loc11: <witness> = complete_type_witness %.1 [template = constants.%.2]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%B
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C1 {
// CHECK:STDOUT: %B.ref: type = name_ref B, file.%B.decl [template = constants.%B]
// CHECK:STDOUT: adapt_decl %B
// CHECK:STDOUT: %.loc19: <witness> = complete_type_witness %B [template = constants.%.5]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%C1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C2 {
// CHECK:STDOUT: %B.ref: type = name_ref B, file.%B.decl [template = constants.%B]
// CHECK:STDOUT: adapt_decl %B
// CHECK:STDOUT: %.loc27: <witness> = complete_type_witness %B [template = constants.%.5]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%C2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C3 {
// CHECK:STDOUT: %B.ref: type = name_ref B, file.%B.decl [template = constants.%B]
// CHECK:STDOUT: adapt_decl %B
// CHECK:STDOUT: %.loc35: <witness> = complete_type_witness %B [template = constants.%.5]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%C3
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C4 {
// CHECK:STDOUT: %B.ref: type = name_ref B, file.%B.decl [template = constants.%B]
// CHECK:STDOUT: adapt_decl %B
// CHECK:STDOUT: %.loc46: <witness> = complete_type_witness %B [template = constants.%.5]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%C4
// CHECK:STDOUT: extend name_scope2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C5 {
// CHECK:STDOUT: %B.ref: type = name_ref B, file.%B.decl [template = constants.%B]
// CHECK:STDOUT: adapt_decl %B
// CHECK:STDOUT: %.loc56: <witness> = complete_type_witness %B [template = constants.%.5]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%C5
// CHECK:STDOUT: extend name_scope2
// CHECK:STDOUT: }
// CHECK:STDOUT:
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