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carbon-lang/toolchain/check/testdata/class/generic/redeclare.carbon
T
Richard SmithJon Ross-PerkinsCarbon Infra Bot
 f772c1f5f3 More support for generic interfaces, aiming for parity with support for generic classes. (#4034) 
This is mostly mechanically duplicating work done for generic classes to
also support generic interfaces.

Also fix both generic interfaces and generic classes to support
importing class and interface types with arguments from another file.

---------

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
Co-authored-by: Carbon Infra Bot <carbon-external-infra@google.com>
2024-06-07 18:24:35 +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/generic/redeclare.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/generic/redeclare.carbon
// --- valid.carbon
library "valid";
class Generic(T:! type);
class Generic(T:! type) {
}
// --- fail_mismatch_param_list.carbon
library "mismatch_param_list";
class A;
// CHECK:STDERR: fail_mismatch_param_list.carbon:[[@LINE+7]]:1: ERROR: Redeclaration differs because of parameter list.
// CHECK:STDERR: class A(T:! type) {}
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_mismatch_param_list.carbon:[[@LINE-4]]:1: Previously declared without parameter list.
// CHECK:STDERR: class A;
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR:
class A(T:! type) {}
// --- fail_mismatch_implicit_param_list.carbon
library "implicit_mismatch_param_list";
class B(N:! i32);
// CHECK:STDERR: fail_mismatch_implicit_param_list.carbon:[[@LINE+7]]:1: ERROR: Redeclaration differs because of implicit parameter list.
// CHECK:STDERR: class B[T:! type](N:! T) {}
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_mismatch_implicit_param_list.carbon:[[@LINE-4]]:1: Previously declared without implicit parameter list.
// CHECK:STDERR: class B(N:! i32);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~
// CHECK:STDERR:
class B[T:! type](N:! T) {}
// --- fail_mismatch_param_count.carbon
library "mismatch_param_count";
class C(T:! type);
// CHECK:STDERR: fail_mismatch_param_count.carbon:[[@LINE+7]]:1: ERROR: Redeclaration differs because of parameter count of 2.
// CHECK:STDERR: class C(T:! type, U:! i32) {}
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_mismatch_param_count.carbon:[[@LINE-4]]:1: Previously declared with parameter count of 1.
// CHECK:STDERR: class C(T:! type);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
class C(T:! type, U:! i32) {}
// --- fail_mismatch_param_type.carbon
library "mismatch_param_type";
class D(T:! type);
// CHECK:STDERR: fail_mismatch_param_type.carbon:[[@LINE+7]]:9: ERROR: Redeclaration differs at parameter 1.
// CHECK:STDERR: class D(T:! i32) {}
// CHECK:STDERR: ^
// CHECK:STDERR: fail_mismatch_param_type.carbon:[[@LINE-4]]:9: Previous declaration's corresponding parameter here.
// CHECK:STDERR: class D(T:! type);
// CHECK:STDERR: ^
// CHECK:STDERR:
class D(T:! i32) {}
// --- fail_mismatch_param_name.carbon
library "mismatch_param_name";
class E(T:! type);
// CHECK:STDERR: fail_mismatch_param_name.carbon:[[@LINE+6]]:9: ERROR: Redeclaration differs at parameter 1.
// CHECK:STDERR: class E(U:! type) {}
// CHECK:STDERR: ^
// CHECK:STDERR: fail_mismatch_param_name.carbon:[[@LINE-4]]:9: Previous declaration's corresponding parameter here.
// CHECK:STDERR: class E(T:! type);
// CHECK:STDERR: ^
class E(U:! type) {}
// CHECK:STDOUT: --- valid.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %T: type = bind_symbolic_name T 0 [symbolic]
// CHECK:STDOUT: %Generic.type: type = generic_class_type @Generic [template]
// CHECK:STDOUT: %.1: type = tuple_type () [template]
// CHECK:STDOUT: %Generic.1: %Generic.type = struct_value () [template]
// CHECK:STDOUT: %Generic.2: type = class_type @Generic [template]
// CHECK:STDOUT: %.2: type = struct_type {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .Generic = %Generic.decl.loc4
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %Generic.decl.loc4: %Generic.type = class_decl @Generic [template = constants.%Generic.1] {
// CHECK:STDOUT: %T.loc4_15.1: type = param T
// CHECK:STDOUT: %T.loc4_15.2: type = bind_symbolic_name T 0, %T.loc4_15.1 [symbolic = constants.%T]
// CHECK:STDOUT: }
// CHECK:STDOUT: %Generic.decl.loc6: %Generic.type = class_decl @Generic [template = constants.%Generic.1] {
// CHECK:STDOUT: %T.loc6_15.1: type = param T
// CHECK:STDOUT: %T.loc6_15.2: type = bind_symbolic_name T 0, %T.loc6_15.1 [symbolic = constants.%T]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Generic {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Generic.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_mismatch_param_list.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %A: type = class_type @A [template]
// CHECK:STDOUT: %T: type = bind_symbolic_name T 0 [symbolic]
// CHECK:STDOUT: %.type: type = generic_class_type @.1 [template]
// CHECK:STDOUT: %.1: type = tuple_type () [template]
// CHECK:STDOUT: %.2: %.type = struct_value () [template]
// CHECK:STDOUT: %.3: type = class_type @.1 [template]
// CHECK:STDOUT: %.4: type = struct_type {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .A = %A.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %A.decl: type = class_decl @A [template = constants.%A] {}
// CHECK:STDOUT: %.decl: %.type = class_decl @.1 [template = constants.%.2] {
// CHECK:STDOUT: %T.loc12_9.1: type = param T
// CHECK:STDOUT: %T.loc12_9.2: type = bind_symbolic_name T 0, %T.loc12_9.1 [symbolic = constants.%T]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @A;
// CHECK:STDOUT:
// CHECK:STDOUT: class @.1 {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%.3
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_mismatch_implicit_param_list.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT: %.1: type = tuple_type () [template]
// CHECK:STDOUT: %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT: %N.1: i32 = bind_symbolic_name N 0 [symbolic]
// CHECK:STDOUT: %B.type: type = generic_class_type @B [template]
// CHECK:STDOUT: %B.1: %B.type = struct_value () [template]
// CHECK:STDOUT: %B.2: type = class_type @B [template]
// CHECK:STDOUT: %T: type = bind_symbolic_name T 0 [symbolic]
// CHECK:STDOUT: %N.2: %T = bind_symbolic_name N 1 [symbolic]
// CHECK:STDOUT: %.type: type = generic_class_type @.1 [template]
// CHECK:STDOUT: %.2: %.type = struct_value () [template]
// CHECK:STDOUT: %.3: type = class_type @.1 [template]
// CHECK:STDOUT: %.4: type = struct_type {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .B = %B.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %import_ref: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT: %B.decl: %B.type = class_decl @B [template = constants.%B.1] {
// CHECK:STDOUT: %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc4_13.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT: %.loc4_13.2: type = converted %int.make_type_32, %.loc4_13.1 [template = i32]
// CHECK:STDOUT: %N.loc4_9.1: i32 = param N
// CHECK:STDOUT: %N.loc4_9.2: i32 = bind_symbolic_name N 0, %N.loc4_9.1 [symbolic = constants.%N.1]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.decl: %.type = class_decl @.1 [template = constants.%.2] {
// CHECK:STDOUT: %T.loc12_9.1: type = param T
// CHECK:STDOUT: %T.loc12_9.2: type = bind_symbolic_name T 0, %T.loc12_9.1 [symbolic = constants.%T]
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc12_9.2 [symbolic = constants.%T]
// CHECK:STDOUT: %N.loc12_19.1: %T = param N
// CHECK:STDOUT: %N.loc12_19.2: %T = bind_symbolic_name N 1, %N.loc12_19.1 [symbolic = constants.%N.2]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @B;
// CHECK:STDOUT:
// CHECK:STDOUT: class @.1 {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%.3
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_mismatch_param_count.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %T: type = bind_symbolic_name T 0 [symbolic]
// CHECK:STDOUT: %C.type: type = generic_class_type @C [template]
// CHECK:STDOUT: %.1: type = tuple_type () [template]
// CHECK:STDOUT: %C.1: %C.type = struct_value () [template]
// CHECK:STDOUT: %C.2: type = class_type @C [template]
// CHECK:STDOUT: %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT: %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT: %U: i32 = bind_symbolic_name U 1 [symbolic]
// CHECK:STDOUT: %.type: type = generic_class_type @.1 [template]
// CHECK:STDOUT: %.2: %.type = struct_value () [template]
// CHECK:STDOUT: %.3: type = class_type @.1 [template]
// CHECK:STDOUT: %.4: type = struct_type {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .C = %C.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %C.decl: %C.type = class_decl @C [template = constants.%C.1] {
// CHECK:STDOUT: %T.loc4_9.1: type = param T
// CHECK:STDOUT: %T.loc4_9.2: type = bind_symbolic_name T 0, %T.loc4_9.1 [symbolic = constants.%T]
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT: %.decl: %.type = class_decl @.1 [template = constants.%.2] {
// CHECK:STDOUT: %T.loc12_9.1: type = param T
// CHECK:STDOUT: %T.loc12_9.2: type = bind_symbolic_name T 0, %T.loc12_9.1 [symbolic = constants.%T]
// CHECK:STDOUT: %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc12_23.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT: %.loc12_23.2: type = converted %int.make_type_32, %.loc12_23.1 [template = i32]
// CHECK:STDOUT: %U.loc12_19.1: i32 = param U
// CHECK:STDOUT: %U.loc12_19.2: i32 = bind_symbolic_name U 1, %U.loc12_19.1 [symbolic = constants.%U]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @C;
// CHECK:STDOUT:
// CHECK:STDOUT: class @.1 {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%.3
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_mismatch_param_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %T.1: type = bind_symbolic_name T 0 [symbolic]
// CHECK:STDOUT: %D.type: type = generic_class_type @D [template]
// CHECK:STDOUT: %.1: type = tuple_type () [template]
// CHECK:STDOUT: %D.1: %D.type = struct_value () [template]
// CHECK:STDOUT: %D.2: type = class_type @D [template]
// CHECK:STDOUT: %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT: %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT: %T.2: i32 = bind_symbolic_name T 0 [symbolic]
// CHECK:STDOUT: %.type: type = generic_class_type @.1 [template]
// CHECK:STDOUT: %.2: %.type = struct_value () [template]
// CHECK:STDOUT: %.3: type = class_type @.1 [template]
// CHECK:STDOUT: %.4: type = struct_type {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .D = %D.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %D.decl: %D.type = class_decl @D [template = constants.%D.1] {
// CHECK:STDOUT: %T.loc4_9.1: type = param T
// CHECK:STDOUT: %T.loc4_9.2: type = bind_symbolic_name T 0, %T.loc4_9.1 [symbolic = constants.%T.1]
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT: %.decl: %.type = class_decl @.1 [template = constants.%.2] {
// CHECK:STDOUT: %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc12_13.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT: %.loc12_13.2: type = converted %int.make_type_32, %.loc12_13.1 [template = i32]
// CHECK:STDOUT: %T.loc12_9.1: i32 = param T
// CHECK:STDOUT: %T.loc12_9.2: i32 = bind_symbolic_name T 0, %T.loc12_9.1 [symbolic = constants.%T.2]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @D;
// CHECK:STDOUT:
// CHECK:STDOUT: class @.1 {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%.3
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_mismatch_param_name.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %T: type = bind_symbolic_name T 0 [symbolic]
// CHECK:STDOUT: %E.type: type = generic_class_type @E [template]
// CHECK:STDOUT: %.1: type = tuple_type () [template]
// CHECK:STDOUT: %E.1: %E.type = struct_value () [template]
// CHECK:STDOUT: %E.2: type = class_type @E [template]
// CHECK:STDOUT: %U: type = bind_symbolic_name U 0 [symbolic]
// CHECK:STDOUT: %.type: type = generic_class_type @.1 [template]
// CHECK:STDOUT: %.2: %.type = struct_value () [template]
// CHECK:STDOUT: %.3: type = class_type @.1 [template]
// CHECK:STDOUT: %.4: type = struct_type {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .E = %E.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %E.decl: %E.type = class_decl @E [template = constants.%E.1] {
// CHECK:STDOUT: %T.loc4_9.1: type = param T
// CHECK:STDOUT: %T.loc4_9.2: type = bind_symbolic_name T 0, %T.loc4_9.1 [symbolic = constants.%T]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.decl: %.type = class_decl @.1 [template = constants.%.2] {
// CHECK:STDOUT: %U.loc11_9.1: type = param U
// CHECK:STDOUT: %U.loc11_9.2: type = bind_symbolic_name U 0, %U.loc11_9.1 [symbolic = constants.%U]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @E;
// CHECK:STDOUT:
// CHECK:STDOUT: class @.1 {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%.3
// CHECK:STDOUT: }
// CHECK:STDOUT:
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