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55300d1ebbdf3e367b5a2f3ed4f7b527f95f2321
carbon-lang/toolchain/check/testdata/class/fail_incomplete.carbon
T
Jon Ross-Perkins 55300d1ebb Switch type literals to use builtin functions. (#3978) 
Modifies the core package and literal handling to use factory functions
for standard type literals.

Updates function/builtin/import.carbon to stop depending on the prelude,
since it would list all the impls in the core file. Updates
alias/builtins.carbon to be failing (the type values cannot be aliased).
2024-05-23 16:00:08 +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
class Class;
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE+7]]:4: ERROR: Cannot declare a member of incomplete class `Class`.
// CHECK:STDERR: fn Class.Function() {}
// CHECK:STDERR: ^~~~~
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE-5]]:1: Class was forward declared here.
// CHECK:STDERR: class Class;
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR:
fn Class.Function() {}
fn CallClassFunction() {
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE+7]]:3: ERROR: Member access into incomplete class `Class`.
// CHECK:STDERR: Class.Function();
// CHECK:STDERR: ^~~~~~~~~~~~~~
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE-15]]:1: Class was forward declared here.
// CHECK:STDERR: class Class;
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR:
Class.Function();
}
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE+7]]:17: ERROR: Variable has incomplete type `Class`.
// CHECK:STDERR: var global_var: Class;
// CHECK:STDERR: ^~~~~
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE-25]]:1: Class was forward declared here.
// CHECK:STDERR: class Class;
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR:
var global_var: Class;
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE+7]]:24: ERROR: Function returns incomplete type `Class`.
// CHECK:STDERR: fn ConvertFromStruct() -> Class { return {}; }
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE-34]]:1: Class was forward declared here.
// CHECK:STDERR: class Class;
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR:
fn ConvertFromStruct() -> Class { return {}; }
fn G(p: Class*) -> i32 {
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE+7]]:10: ERROR: Member access into object of incomplete type `Class`.
// CHECK:STDERR: return p->n;
// CHECK:STDERR: ^~~~
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE-44]]:1: Class was forward declared here.
// CHECK:STDERR: class Class;
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR:
return p->n;
}
fn MemberAccess(p: Class*) -> i32 {
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE+7]]:11: ERROR: Member access into object of incomplete type `Class`.
// CHECK:STDERR: return (*p).n;
// CHECK:STDERR: ^~
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE-55]]:1: Class was forward declared here.
// CHECK:STDERR: class Class;
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR:
return (*p).n;
}
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE+7]]:20: ERROR: Function returns incomplete type `Class`.
// CHECK:STDERR: fn Copy(p: Class*) -> Class {
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE-65]]:1: Class was forward declared here.
// CHECK:STDERR: class Class;
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR:
fn Copy(p: Class*) -> Class {
return *p;
}
fn Let(p: Class*) {
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE+7]]:10: ERROR: `let` binding has incomplete type `Class`.
// CHECK:STDERR: let c: Class = *p;
// CHECK:STDERR: ^~~~~
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE-77]]:1: Class was forward declared here.
// CHECK:STDERR: class Class;
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR:
let c: Class = *p;
}
fn TakeIncomplete(c: Class);
fn ReturnIncomplete() -> Class;
fn CallTakeIncomplete(p: Class*) {
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE+10]]:3: ERROR: Forming value of incomplete type `Class`.
// CHECK:STDERR: TakeIncomplete(*p);
// CHECK:STDERR: ^~~~~~~~~~~~~~~
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE-92]]:1: Class was forward declared here.
// CHECK:STDERR: class Class;
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE-11]]:1: Initializing parameter 1 of function declared here.
// CHECK:STDERR: fn TakeIncomplete(c: Class);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
TakeIncomplete(*p);
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE+10]]:3: ERROR: Forming value of incomplete type `Class`.
// CHECK:STDERR: TakeIncomplete({});
// CHECK:STDERR: ^~~~~~~~~~~~~~~
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE-104]]:1: Class was forward declared here.
// CHECK:STDERR: class Class;
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE-23]]:1: Initializing parameter 1 of function declared here.
// CHECK:STDERR: fn TakeIncomplete(c: Class);
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
TakeIncomplete({});
}
fn CallReturnIncomplete() {
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE+9]]:3: ERROR: Function returns incomplete type `Class`.
// CHECK:STDERR: ReturnIncomplete();
// CHECK:STDERR: ^~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE-118]]:1: Class was forward declared here.
// CHECK:STDERR: class Class;
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR: fail_incomplete.carbon:[[@LINE-35]]:23: Return type declared here.
// CHECK:STDERR: fn ReturnIncomplete() -> Class;
// CHECK:STDERR: ^~~~~~~~
ReturnIncomplete();
}
// CHECK:STDOUT: --- fail_incomplete.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Class: type = class_type @Class [template]
// CHECK:STDOUT: %.1: type = fn_type @.1 [template]
// CHECK:STDOUT: %.2: type = tuple_type () [template]
// CHECK:STDOUT: %struct.1: <invalid> = struct_value () [template]
// CHECK:STDOUT: %CallClassFunction: type = fn_type @CallClassFunction [template]
// CHECK:STDOUT: %struct.2: CallClassFunction = struct_value () [template]
// CHECK:STDOUT: %ConvertFromStruct: type = fn_type @ConvertFromStruct [template]
// CHECK:STDOUT: %struct.3: ConvertFromStruct = struct_value () [template]
// CHECK:STDOUT: %.3: type = struct_type {} [template]
// CHECK:STDOUT: %.4: type = ptr_type Class [template]
// CHECK:STDOUT: %Int32: type = fn_type @Int32 [template]
// CHECK:STDOUT: %struct.4: Int32 = struct_value () [template]
// CHECK:STDOUT: %G: type = fn_type @G [template]
// CHECK:STDOUT: %struct.5: G = struct_value () [template]
// CHECK:STDOUT: %MemberAccess: type = fn_type @MemberAccess [template]
// CHECK:STDOUT: %struct.6: MemberAccess = struct_value () [template]
// CHECK:STDOUT: %Copy: type = fn_type @Copy [template]
// CHECK:STDOUT: %struct.7: Copy = struct_value () [template]
// CHECK:STDOUT: %Let: type = fn_type @Let [template]
// CHECK:STDOUT: %struct.8: Let = struct_value () [template]
// CHECK:STDOUT: %TakeIncomplete: type = fn_type @TakeIncomplete [template]
// CHECK:STDOUT: %struct.9: TakeIncomplete = struct_value () [template]
// CHECK:STDOUT: %ReturnIncomplete: type = fn_type @ReturnIncomplete [template]
// CHECK:STDOUT: %struct.10: ReturnIncomplete = struct_value () [template]
// CHECK:STDOUT: %CallTakeIncomplete: type = fn_type @CallTakeIncomplete [template]
// CHECK:STDOUT: %struct.11: CallTakeIncomplete = struct_value () [template]
// CHECK:STDOUT: %CallReturnIncomplete: type = fn_type @CallReturnIncomplete [template]
// CHECK:STDOUT: %struct.12: CallReturnIncomplete = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .Class = %Class.decl
// CHECK:STDOUT: .CallClassFunction = %CallClassFunction.decl
// CHECK:STDOUT: .global_var = %global_var
// CHECK:STDOUT: .ConvertFromStruct = %ConvertFromStruct.decl
// CHECK:STDOUT: .G = %G.decl
// CHECK:STDOUT: .MemberAccess = %MemberAccess.decl
// CHECK:STDOUT: .Copy = %Copy.decl
// CHECK:STDOUT: .Let = %Let.decl
// CHECK:STDOUT: .TakeIncomplete = %TakeIncomplete.decl
// CHECK:STDOUT: .ReturnIncomplete = %ReturnIncomplete.decl
// CHECK:STDOUT: .CallTakeIncomplete = %CallTakeIncomplete.decl
// CHECK:STDOUT: .CallReturnIncomplete = %CallReturnIncomplete.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %Class.decl: type = class_decl @Class [template = constants.%Class] {}
// CHECK:STDOUT: %.decl: <invalid> = fn_decl @.1 [template = constants.%struct.1] {}
// CHECK:STDOUT: %CallClassFunction.decl: CallClassFunction = fn_decl @CallClassFunction [template = constants.%struct.2] {}
// CHECK:STDOUT: %Class.ref.loc36: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: %global_var.var: ref <error> = var global_var
// CHECK:STDOUT: %global_var: ref <error> = bind_name global_var, %global_var.var
// CHECK:STDOUT: %ConvertFromStruct.decl: ConvertFromStruct = fn_decl @ConvertFromStruct [template = constants.%struct.3] {
// CHECK:STDOUT: %Class.ref.loc45: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: @ConvertFromStruct.%return: ref Class = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref.1: Int32 = import_ref ir3, inst+3, loaded [template = constants.%struct.4]
// CHECK:STDOUT: %G.decl: G = fn_decl @G [template = constants.%struct.5] {
// CHECK:STDOUT: %Class.ref.loc47: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: %.loc47_14: type = ptr_type Class [template = constants.%.4]
// CHECK:STDOUT: %p.loc47_6.1: Class* = param p
// CHECK:STDOUT: @G.%p: Class* = bind_name p, %p.loc47_6.1
// CHECK:STDOUT: %int.make_type_32.loc47: init type = call constants.%struct.4() [template = i32]
// CHECK:STDOUT: %.loc47_20.1: type = value_of_initializer %int.make_type_32.loc47 [template = i32]
// CHECK:STDOUT: %.loc47_20.2: type = converted %int.make_type_32.loc47, %.loc47_20.1 [template = i32]
// CHECK:STDOUT: @G.%return: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %import_ref.2: Int32 = import_ref ir3, inst+3, loaded [template = constants.%struct.4]
// CHECK:STDOUT: %MemberAccess.decl: MemberAccess = fn_decl @MemberAccess [template = constants.%struct.6] {
// CHECK:STDOUT: %Class.ref.loc58: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: %.loc58_25: type = ptr_type Class [template = constants.%.4]
// CHECK:STDOUT: %p.loc58_17.1: Class* = param p
// CHECK:STDOUT: @MemberAccess.%p: Class* = bind_name p, %p.loc58_17.1
// CHECK:STDOUT: %int.make_type_32.loc58: init type = call constants.%struct.4() [template = i32]
// CHECK:STDOUT: %.loc58_31.1: type = value_of_initializer %int.make_type_32.loc58 [template = i32]
// CHECK:STDOUT: %.loc58_31.2: type = converted %int.make_type_32.loc58, %.loc58_31.1 [template = i32]
// CHECK:STDOUT: @MemberAccess.%return: ref i32 = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Copy.decl: Copy = fn_decl @Copy [template = constants.%struct.7] {
// CHECK:STDOUT: %Class.ref.loc76_12: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: %.loc76: type = ptr_type Class [template = constants.%.4]
// CHECK:STDOUT: %p.loc76_9.1: Class* = param p
// CHECK:STDOUT: @Copy.%p: Class* = bind_name p, %p.loc76_9.1
// CHECK:STDOUT: %Class.ref.loc76_23: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: @Copy.%return: ref Class = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %Let.decl: Let = fn_decl @Let [template = constants.%struct.8] {
// CHECK:STDOUT: %Class.ref.loc80: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: %.loc80: type = ptr_type Class [template = constants.%.4]
// CHECK:STDOUT: %p.loc80_8.1: Class* = param p
// CHECK:STDOUT: @Let.%p: Class* = bind_name p, %p.loc80_8.1
// CHECK:STDOUT: }
// CHECK:STDOUT: %TakeIncomplete.decl: TakeIncomplete = fn_decl @TakeIncomplete [template = constants.%struct.9] {
// CHECK:STDOUT: %Class.ref.loc91: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: %c.loc91_19.1: Class = param c
// CHECK:STDOUT: @TakeIncomplete.%c: Class = bind_name c, %c.loc91_19.1
// CHECK:STDOUT: }
// CHECK:STDOUT: %ReturnIncomplete.decl: ReturnIncomplete = fn_decl @ReturnIncomplete [template = constants.%struct.10] {
// CHECK:STDOUT: %Class.ref.loc93: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: @ReturnIncomplete.%return: ref Class = var <return slot>
// CHECK:STDOUT: }
// CHECK:STDOUT: %CallTakeIncomplete.decl: CallTakeIncomplete = fn_decl @CallTakeIncomplete [template = constants.%struct.11] {
// CHECK:STDOUT: %Class.ref.loc95: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: %.loc95: type = ptr_type Class [template = constants.%.4]
// CHECK:STDOUT: %p.loc95_23.1: Class* = param p
// CHECK:STDOUT: @CallTakeIncomplete.%p: Class* = bind_name p, %p.loc95_23.1
// CHECK:STDOUT: }
// CHECK:STDOUT: %CallReturnIncomplete.decl: CallReturnIncomplete = fn_decl @CallReturnIncomplete [template = constants.%struct.12] {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Class;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @.1() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @CallClassFunction() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Class.ref: type = name_ref Class, file.%Class.decl [template = constants.%Class]
// CHECK:STDOUT: %Function.ref: <error> = name_ref Function, <error> [template = <error>]
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @ConvertFromStruct() -> Class {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc45: {} = struct_literal ()
// CHECK:STDOUT: return <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%p: Class*) -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %p.ref: Class* = name_ref p, %p
// CHECK:STDOUT: %.loc55: ref Class = deref %p.ref
// CHECK:STDOUT: return <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @MemberAccess(%p: Class*) -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %p.ref: Class* = name_ref p, %p
// CHECK:STDOUT: %.loc66: ref Class = deref %p.ref
// CHECK:STDOUT: return <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Copy(%p: Class*) -> Class {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %p.ref: Class* = name_ref p, %p
// CHECK:STDOUT: %.loc77: ref Class = deref %p.ref
// CHECK:STDOUT: return <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Let(%p: Class*) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Class.ref: type = name_ref Class, file.%Class.decl [template = constants.%Class]
// CHECK:STDOUT: %p.ref: Class* = name_ref p, %p
// CHECK:STDOUT: %.loc88: ref Class = deref %p.ref
// CHECK:STDOUT: %c: <error> = bind_name c, <error>
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @TakeIncomplete(%c: Class);
// CHECK:STDOUT:
// CHECK:STDOUT: fn @ReturnIncomplete() -> Class;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @CallTakeIncomplete(%p: Class*) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %TakeIncomplete.ref.loc106: TakeIncomplete = name_ref TakeIncomplete, file.%TakeIncomplete.decl [template = constants.%struct.9]
// CHECK:STDOUT: %p.ref: Class* = name_ref p, %p
// CHECK:STDOUT: %.loc106: ref Class = deref %p.ref
// CHECK:STDOUT: %TakeIncomplete.call.loc106: init () = call %TakeIncomplete.ref.loc106(<invalid>) [template = <error>]
// CHECK:STDOUT: %TakeIncomplete.ref.loc118: TakeIncomplete = name_ref TakeIncomplete, file.%TakeIncomplete.decl [template = constants.%struct.9]
// CHECK:STDOUT: %.loc118: {} = struct_literal ()
// CHECK:STDOUT: %TakeIncomplete.call.loc118: init () = call %TakeIncomplete.ref.loc118(<invalid>) [template = <error>]
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @CallReturnIncomplete() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %ReturnIncomplete.ref: ReturnIncomplete = name_ref ReturnIncomplete, file.%ReturnIncomplete.decl [template = constants.%struct.10]
// CHECK:STDOUT: %ReturnIncomplete.call: init <error> = call %ReturnIncomplete.ref()
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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