carbon-lang/toolchain/check/testdata/class/no_prelude/implicit_import.carbon

// 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/no_prelude/implicit_import.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/no_prelude/implicit_import.carbon

// --- basic.carbon

library "basic";

class C;

// --- basic.impl.carbon

impl library "basic";

class C {}

// --- redecl_after_def.carbon

library "redecl_after_def";

class C {}

// --- fail_redecl_after_def.impl.carbon

impl library "redecl_after_def";

// CHECK:STDERR: fail_redecl_after_def.impl.carbon:[[@LINE+10]]:1: ERROR: Redeclaration of `class C` is redundant.
// CHECK:STDERR: class C;
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR: fail_redecl_after_def.impl.carbon:[[@LINE-5]]:6: In import.
// CHECK:STDERR: impl library "redecl_after_def";
// CHECK:STDERR:      ^~~~~~~
// CHECK:STDERR: redecl_after_def.carbon:4:1: Previously declared here.
// CHECK:STDERR: class C {}
// CHECK:STDERR: ^~~~~~~~~
// CHECK:STDERR:
class C;

// --- redef_after_def.carbon

library "redef_after_def";

class C {}

// --- fail_redef_after_def.impl.carbon

impl library "redef_after_def";

// CHECK:STDERR: fail_redef_after_def.impl.carbon:[[@LINE+10]]:1: ERROR: Redefinition of `class C`.
// CHECK:STDERR: class C {}
// CHECK:STDERR: ^~~~~~~~~
// CHECK:STDERR: fail_redef_after_def.impl.carbon:[[@LINE-5]]:6: In import.
// CHECK:STDERR: impl library "redef_after_def";
// CHECK:STDERR:      ^~~~~~~
// CHECK:STDERR: redef_after_def.carbon:4:1: Previously defined here.
// CHECK:STDERR: class C {}
// CHECK:STDERR: ^~~~~~~~~
// CHECK:STDERR:
class C {}

// --- def_alias.carbon

library "def_alias";

class C;
alias B = C;

// --- fail_def_alias.impl.carbon

impl library "def_alias";

// CHECK:STDERR: fail_def_alias.impl.carbon:[[@LINE+9]]:1: ERROR: Duplicate name being declared in the same scope.
// CHECK:STDERR: class B {}
// CHECK:STDERR: ^~~~~~~~~
// CHECK:STDERR: fail_def_alias.impl.carbon:[[@LINE-5]]:6: In import.
// CHECK:STDERR: impl library "def_alias";
// CHECK:STDERR:      ^~~~~~~
// CHECK:STDERR: def_alias.carbon:5:7: Name is previously declared here.
// CHECK:STDERR: alias B = C;
// CHECK:STDERR:       ^
class B {}

// CHECK:STDOUT: --- basic.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %C.decl: type = class_decl @C [template = constants.%C] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C;
// CHECK:STDOUT:
// CHECK:STDOUT: --- basic.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT:   %.1: type = struct_type {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %import_ref: type = import_ref ir0, inst+1, loaded [template = constants.%C]
// CHECK:STDOUT:   %C.decl: type = class_decl @C [template = constants.%C] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%C
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- redecl_after_def.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT:   %.1: type = struct_type {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %C.decl: type = class_decl @C [template = constants.%C] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%C
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_redecl_after_def.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT:   %.1: type = struct_type {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %import_ref.1: type = import_ref ir0, inst+1, loaded [template = constants.%C]
// CHECK:STDOUT:   %import_ref.2 = import_ref ir0, inst+2, unloaded
// CHECK:STDOUT:   %C.decl: type = class_decl @C [template = constants.%C] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = file.%import_ref.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- redef_after_def.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT:   %.1: type = struct_type {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %C.decl: type = class_decl @C [template = constants.%C] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%C
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_redef_after_def.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT:   %.1: type = struct_type {} [template]
// CHECK:STDOUT:   %.2: type = class_type @.1 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .C = %import_ref.1
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %import_ref.1: type = import_ref ir0, inst+1, loaded [template = constants.%C]
// CHECK:STDOUT:   %import_ref.2 = import_ref ir0, inst+2, unloaded
// CHECK:STDOUT:   %.decl: type = class_decl @.1 [template = constants.%.2] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C {
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = file.%import_ref.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @.1 {
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- def_alias.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .C = %C.decl
// CHECK:STDOUT:     .B = %B
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %C.decl: type = class_decl @C [template = constants.%C] {}
// CHECK:STDOUT:   %C.ref: type = name_ref C, %C.decl [template = constants.%C]
// CHECK:STDOUT:   %B: type = bind_alias B, %C.decl [template = constants.%C]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C;
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_def_alias.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %C: type = class_type @C [template]
// CHECK:STDOUT:   %.1: type = class_type @.1 [template]
// CHECK:STDOUT:   %.2: type = struct_type {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .C = %import_ref.1
// CHECK:STDOUT:     .B = %import_ref.2
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %import_ref.1 = import_ref ir0, inst+1, unloaded
// CHECK:STDOUT:   %import_ref.2: type = import_ref ir0, inst+4, loaded [template = constants.%C]
// CHECK:STDOUT:   %.decl: type = class_decl @.1 [template = constants.%.1] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C;
// CHECK:STDOUT:
// CHECK:STDOUT: class @.1 {
// CHECK:STDOUT: !members:
// CHECK:STDOUT:   .Self = constants.%.1
// CHECK:STDOUT: }
// CHECK:STDOUT: