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carbon-lang/toolchain/check/testdata/class/fail_method.carbon
T
Richard Smith ce1dd20be2 Refactor member lookup in preparation for adding impl lookup. (#3775)
A couple of minor functional changes here:

- We now always create a `name_ref` for the name referred to by the
right-hand operand of member access. Previously we skipped creating this
instruction if the referenced name was a field, and just created the
field access instruction. This makes our processing of member accesses
and our SemIR representation a bit more uniform.
- We now perform lookup into the type of the left-hand operand if it's
any type with a scope, not just for classes. This means we do lookup
into interface types. However, doing so isn't really useful yet because
it always finds an associated entity that isn't usable by itself. This
changes the diagnostic in
`toolchain/check/testdata/interface/fail_todo_facet_lookup.carbon`.
2024-03-13 23:44:38 +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 {
fn NoSelf();
fn WithSelf[self: Class]();
}
alias A = Class.WithSelf;
fn F(c: Class) {
c.NoSelf();
c.WithSelf();
Class.NoSelf();
// CHECK:STDERR: fail_method.carbon:[[@LINE+6]]:3: ERROR: Missing object argument in method call.
// CHECK:STDERR: Class.WithSelf();
// CHECK:STDERR: ^~~~~~~~~~~~~~~
// CHECK:STDERR: fail_method.carbon:[[@LINE-13]]:3: Calling function declared here.
// CHECK:STDERR: fn WithSelf[self: Class]();
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~
Class.WithSelf();
// CHECK:STDERR: fail_method.carbon:[[@LINE+6]]:3: ERROR: 1 argument(s) passed to function expecting 0 argument(s).
// CHECK:STDERR: Class.WithSelf(c);
// CHECK:STDERR: ^~~~~~~~~~~~~~~
// CHECK:STDERR: fail_method.carbon:[[@LINE-20]]:3: Calling function declared here.
// CHECK:STDERR: fn WithSelf[self: Class]();
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~
Class.WithSelf(c);
// CHECK:STDERR: fail_method.carbon:[[@LINE+6]]:3: ERROR: Missing object argument in method call.
// CHECK:STDERR: A();
// CHECK:STDERR: ^~
// CHECK:STDERR: fail_method.carbon:[[@LINE-28]]:3: Calling function declared here.
// CHECK:STDERR: fn WithSelf[self: Class]();
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~
A();
}
// CHECK:STDOUT: --- fail_method.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Class: type = class_type @Class [template]
// CHECK:STDOUT: %.1: type = struct_type {} [template]
// CHECK:STDOUT: %.2: type = tuple_type () [template]
// CHECK:STDOUT: %.3: type = ptr_type {} [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Class = %Class.decl
// CHECK:STDOUT: .A = %A
// CHECK:STDOUT: .F = %F
// CHECK:STDOUT: }
// CHECK:STDOUT: %Class.decl: type = class_decl @Class [template = constants.%Class] {}
// CHECK:STDOUT: %Class.ref.loc12: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: %WithSelf.ref: <function> = name_ref WithSelf, @Class.%WithSelf [template = @Class.%WithSelf]
// CHECK:STDOUT: %A: <function> = bind_alias A, @Class.%WithSelf [template = @Class.%WithSelf]
// CHECK:STDOUT: %F: <function> = fn_decl @F [template] {
// CHECK:STDOUT: %Class.ref.loc14: type = name_ref Class, %Class.decl [template = constants.%Class]
// CHECK:STDOUT: %c.loc14_6.1: Class = param c
// CHECK:STDOUT: @F.%c: Class = bind_name c, %c.loc14_6.1
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Class {
// CHECK:STDOUT: %NoSelf: <function> = fn_decl @NoSelf [template] {}
// CHECK:STDOUT: %WithSelf: <function> = fn_decl @WithSelf [template] {
// CHECK:STDOUT: %Class.ref: type = name_ref Class, file.%Class.decl [template = constants.%Class]
// CHECK:STDOUT: %self.loc9_15.1: Class = param self
// CHECK:STDOUT: %self.loc9_15.2: Class = bind_name self, %self.loc9_15.1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Class
// CHECK:STDOUT: .NoSelf = %NoSelf
// CHECK:STDOUT: .WithSelf = %WithSelf
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @NoSelf();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @WithSelf[@Class.%self.loc9_15.2: Class]();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%c: Class) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %c.ref.loc15: Class = name_ref c, %c
// CHECK:STDOUT: %NoSelf.ref.loc15: <function> = name_ref NoSelf, @Class.%NoSelf [template = @Class.%NoSelf]
// CHECK:STDOUT: %.loc15: init () = call %NoSelf.ref.loc15()
// CHECK:STDOUT: %c.ref.loc16: Class = name_ref c, %c
// CHECK:STDOUT: %WithSelf.ref.loc16: <function> = name_ref WithSelf, @Class.%WithSelf [template = @Class.%WithSelf]
// CHECK:STDOUT: %.loc16_4: <bound method> = bound_method %c.ref.loc16, %WithSelf.ref.loc16
// CHECK:STDOUT: %.loc16_13: init () = call %.loc16_4(%c.ref.loc16)
// CHECK:STDOUT: %Class.ref.loc18: type = name_ref Class, file.%Class.decl [template = constants.%Class]
// CHECK:STDOUT: %NoSelf.ref.loc18: <function> = name_ref NoSelf, @Class.%NoSelf [template = @Class.%NoSelf]
// CHECK:STDOUT: %.loc18: init () = call %NoSelf.ref.loc18()
// CHECK:STDOUT: %Class.ref.loc25: type = name_ref Class, file.%Class.decl [template = constants.%Class]
// CHECK:STDOUT: %WithSelf.ref.loc25: <function> = name_ref WithSelf, @Class.%WithSelf [template = @Class.%WithSelf]
// CHECK:STDOUT: %.loc25: init () = call %WithSelf.ref.loc25(<invalid>)
// CHECK:STDOUT: %Class.ref.loc32: type = name_ref Class, file.%Class.decl [template = constants.%Class]
// CHECK:STDOUT: %WithSelf.ref.loc32: <function> = name_ref WithSelf, @Class.%WithSelf [template = @Class.%WithSelf]
// CHECK:STDOUT: %c.ref.loc32: Class = name_ref c, %c
// CHECK:STDOUT: %.loc32: init () = call %WithSelf.ref.loc32(<invalid>)
// CHECK:STDOUT: %A.ref: <function> = name_ref A, file.%A [template = @Class.%WithSelf]
// CHECK:STDOUT: %.loc40: init () = call %A.ref(<invalid>)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: