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carbon-lang/toolchain/check/testdata/interface/fail_duplicate.carbon
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Jon Ross-Perkins 7ccc1e0144 Expand naming for impls and functions (#5808) 
Change impls from `<interface>.impl` to `<self>.as.<interface>.impl`,
and *member* functions to `<parent scope>.<fn>` (non-member functions
exclude their parent scope). Stop special-casing builtin functions,
given the new naming scheme.

The purpose of this is to make it clearer when a member function is
being accessed and, if so, which member function. In particular, we
often access interface `Op` functions. The builtin function
special-casing was intended to help with that, but we still have lots of
`Op` functions. This particular approach should make the interactions
clearer.

This changes up queueing of block IDs a little because, in particular,
we need to process bodies of entities only after constants finish
processing. But, it should also result in less memory usage during
processing because it means we have less on the insts stack at any given
time, since we track a block rather than all instructions contained by
the block.
2025-07-21 18:45:07 +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
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/none.carbon
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/interface/fail_duplicate.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/interface/fail_duplicate.carbon
// --- fail_redefine_without_dependents.carbon
library "[[@TEST_NAME]]";
interface Interface { }
// CHECK:STDERR: fail_redefine_without_dependents.carbon:[[@LINE+7]]:1: error: redefinition of `interface Interface` [RedeclRedef]
// CHECK:STDERR: interface Interface {
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_redefine_without_dependents.carbon:[[@LINE-5]]:1: note: previously defined here [RedeclPrevDef]
// CHECK:STDERR: interface Interface { }
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
interface Interface {
fn F();
}
// --- fail_redefine_with_dependents.carbon
library "[[@TEST_NAME]]";
interface Interface {}
// CHECK:STDERR: fail_redefine_with_dependents.carbon:[[@LINE+7]]:1: error: redefinition of `interface Interface` [RedeclRedef]
// CHECK:STDERR: interface Interface {
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_redefine_with_dependents.carbon:[[@LINE-5]]:1: note: previously defined here [RedeclPrevDef]
// CHECK:STDERR: interface Interface {}
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
interface Interface {
fn F[self: Self]();
}
// --- fail_name_conflict_with_fn.carbon
library "[[@TEST_NAME]]";
fn Function();
// CHECK:STDERR: fail_name_conflict_with_fn.carbon:[[@LINE+7]]:11: error: duplicate name `Function` being declared in the same scope [NameDeclDuplicate]
// CHECK:STDERR: interface Function;
// CHECK:STDERR: ^~~~~~~~
// CHECK:STDERR: fail_name_conflict_with_fn.carbon:[[@LINE-5]]:1: note: name is previously declared here [NameDeclPrevious]
// CHECK:STDERR: fn Function();
// CHECK:STDERR: ^~~~~~~~~~~~~~
// CHECK:STDERR:
interface Function;
// --- fail_name_conflict_with_class.carbon
class Class;
// CHECK:STDERR: fail_name_conflict_with_class.carbon:[[@LINE+7]]:11: error: duplicate name `Class` being declared in the same scope [NameDeclDuplicate]
// CHECK:STDERR: interface Class { }
// CHECK:STDERR: ^~~~~
// CHECK:STDERR: fail_name_conflict_with_class.carbon:[[@LINE-5]]:1: note: name is previously declared here [NameDeclPrevious]
// CHECK:STDERR: class Class;
// CHECK:STDERR: ^~~~~~~~~~~~
// CHECK:STDERR:
interface Class { }
// CHECK:STDOUT: --- fail_redefine_without_dependents.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Interface.type.d726c6.1: type = facet_type <@Interface.loc4> [concrete]
// CHECK:STDOUT: %Self.719cbb.1: %Interface.type.d726c6.1 = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %Interface.type.d726c6.2: type = facet_type <@Interface.loc13> [concrete]
// CHECK:STDOUT: %Self.719cbb.2: %Interface.type.d726c6.2 = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %Interface.F.type: type = fn_type @Interface.F [concrete]
// CHECK:STDOUT: %Interface.F: %Interface.F.type = struct_value () [concrete]
// CHECK:STDOUT: %Interface.assoc_type: type = assoc_entity_type @Interface.loc13 [concrete]
// CHECK:STDOUT: %assoc0: %Interface.assoc_type = assoc_entity element0, @Interface.loc13.%Interface.F.decl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Interface = %Interface.decl.loc4
// CHECK:STDOUT: }
// CHECK:STDOUT: %Interface.decl.loc4: type = interface_decl @Interface.loc4 [concrete = constants.%Interface.type.d726c6.1] {} {}
// CHECK:STDOUT: %Interface.decl.loc13: type = interface_decl @Interface.loc13 [concrete = constants.%Interface.type.d726c6.2] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Interface.loc4 {
// CHECK:STDOUT: %Self: %Interface.type.d726c6.1 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.719cbb.1]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Interface.loc13 {
// CHECK:STDOUT: %Self: %Interface.type.d726c6.2 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.719cbb.2]
// CHECK:STDOUT: %Interface.F.decl: %Interface.F.type = fn_decl @Interface.F [concrete = constants.%Interface.F] {} {}
// CHECK:STDOUT: %assoc0: %Interface.assoc_type = assoc_entity element0, %Interface.F.decl [concrete = constants.%assoc0]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = %assoc0
// CHECK:STDOUT: witness = (%Interface.F.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Interface.F(@Interface.loc13.%Self: %Interface.type.d726c6.2) {
// CHECK:STDOUT: fn();
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Interface.F(constants.%Self.719cbb.2) {}
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_redefine_with_dependents.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Interface.type.d726c6.1: type = facet_type <@Interface.loc4> [concrete]
// CHECK:STDOUT: %Self.719cbb.1: %Interface.type.d726c6.1 = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %Interface.type.d726c6.2: type = facet_type <@Interface.loc13> [concrete]
// CHECK:STDOUT: %Self.719cbb.2: %Interface.type.d726c6.2 = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: %Self.as_type: type = facet_access_type %Self.719cbb.2 [symbolic]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Self.as_type [symbolic]
// CHECK:STDOUT: %Interface.F.type: type = fn_type @Interface.F [concrete]
// CHECK:STDOUT: %Interface.F: %Interface.F.type = struct_value () [concrete]
// CHECK:STDOUT: %Interface.assoc_type: type = assoc_entity_type @Interface.loc13 [concrete]
// CHECK:STDOUT: %assoc0: %Interface.assoc_type = assoc_entity element0, @Interface.loc13.%Interface.F.decl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Interface = %Interface.decl.loc4
// CHECK:STDOUT: }
// CHECK:STDOUT: %Interface.decl.loc4: type = interface_decl @Interface.loc4 [concrete = constants.%Interface.type.d726c6.1] {} {}
// CHECK:STDOUT: %Interface.decl.loc13: type = interface_decl @Interface.loc13 [concrete = constants.%Interface.type.d726c6.2] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Interface.loc4 {
// CHECK:STDOUT: %Self: %Interface.type.d726c6.1 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.719cbb.1]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Interface.loc13 {
// CHECK:STDOUT: %Self: %Interface.type.d726c6.2 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.719cbb.2]
// CHECK:STDOUT: %Interface.F.decl: %Interface.F.type = fn_decl @Interface.F [concrete = constants.%Interface.F] {
// CHECK:STDOUT: %self.patt: @Interface.F.%pattern_type (%pattern_type) = binding_pattern self [concrete]
// CHECK:STDOUT: %self.param_patt: @Interface.F.%pattern_type (%pattern_type) = value_param_pattern %self.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %self.param: @Interface.F.%Self.as_type.loc14_14.1 (%Self.as_type) = value_param call_param0
// CHECK:STDOUT: %.loc14_14.1: type = splice_block %.loc14_14.2 [symbolic = %Self.as_type.loc14_14.1 (constants.%Self.as_type)] {
// CHECK:STDOUT: %Self.ref: %Interface.type.d726c6.2 = name_ref Self, @Interface.loc13.%Self [symbolic = %Self (constants.%Self.719cbb.2)]
// CHECK:STDOUT: %Self.as_type.loc14_14.2: type = facet_access_type %Self.ref [symbolic = %Self.as_type.loc14_14.1 (constants.%Self.as_type)]
// CHECK:STDOUT: %.loc14_14.2: type = converted %Self.ref, %Self.as_type.loc14_14.2 [symbolic = %Self.as_type.loc14_14.1 (constants.%Self.as_type)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %self: @Interface.F.%Self.as_type.loc14_14.1 (%Self.as_type) = bind_name self, %self.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %assoc0: %Interface.assoc_type = assoc_entity element0, %Interface.F.decl [concrete = constants.%assoc0]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: .F = %assoc0
// CHECK:STDOUT: witness = (%Interface.F.decl)
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @Interface.F(@Interface.loc13.%Self: %Interface.type.d726c6.2) {
// CHECK:STDOUT: %Self: %Interface.type.d726c6.2 = bind_symbolic_name Self, 0 [symbolic = %Self (constants.%Self.719cbb.2)]
// CHECK:STDOUT: %Self.as_type.loc14_14.1: type = facet_access_type %Self [symbolic = %Self.as_type.loc14_14.1 (constants.%Self.as_type)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %Self.as_type.loc14_14.1 [symbolic = %pattern_type (constants.%pattern_type)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%self.param: @Interface.F.%Self.as_type.loc14_14.1 (%Self.as_type));
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Interface.F(constants.%Self.719cbb.2) {
// CHECK:STDOUT: %Self => constants.%Self.719cbb.2
// CHECK:STDOUT: %Self.as_type.loc14_14.1 => constants.%Self.as_type
// CHECK:STDOUT: %pattern_type => constants.%pattern_type
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_name_conflict_with_fn.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Function.type.b14: type = fn_type @Function.loc4 [concrete]
// CHECK:STDOUT: %Function: %Function.type.b14 = struct_value () [concrete]
// CHECK:STDOUT: %Function.type.f90: type = facet_type <@Function.loc13> [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Function = %Function.decl.loc4
// CHECK:STDOUT: }
// CHECK:STDOUT: %Function.decl.loc4: %Function.type.b14 = fn_decl @Function.loc4 [concrete = constants.%Function] {} {}
// CHECK:STDOUT: %Function.decl.loc13: type = interface_decl @Function.loc13 [concrete = constants.%Function.type.f90] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Function.loc13;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Function.loc4();
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_name_conflict_with_class.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Class: type = class_type @Class.loc2 [concrete]
// CHECK:STDOUT: %Class.type: type = facet_type <@Class.loc11> [concrete]
// CHECK:STDOUT: %Self: %Class.type = bind_symbolic_name Self, 0 [symbolic]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Class = %Class.decl.loc2
// CHECK:STDOUT: }
// CHECK:STDOUT: %Class.decl.loc2: type = class_decl @Class.loc2 [concrete = constants.%Class] {} {}
// CHECK:STDOUT: %Class.decl.loc11: type = interface_decl @Class.loc11 [concrete = constants.%Class.type] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: interface @Class.loc11 {
// CHECK:STDOUT: %Self: %Class.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = %Self
// CHECK:STDOUT: witness = ()
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @Class.loc2;
// CHECK:STDOUT:
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