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carbon-lang/toolchain/check/testdata/function/definition/fail_local_decl.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/destroy.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/function/definition/fail_local_decl.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/definition/fail_local_decl.carbon
// --- fail_virtual.carbon
library "[[@TEST_NAME]]";
fn F() {
// CHECK:STDERR: fail_virtual.carbon:[[@LINE+4]]:3: error: `default` not allowed; requires interface scope [ModifierRequiresInterface]
// CHECK:STDERR: default fn F();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
default fn F();
// CHECK:STDERR: fail_virtual.carbon:[[@LINE+4]]:3: error: `impl` not allowed; requires class scope [ModifierRequiresClass]
// CHECK:STDERR: impl fn G();
// CHECK:STDERR: ^~~~
// CHECK:STDERR:
impl fn G();
// CHECK:STDERR: fail_virtual.carbon:[[@LINE+4]]:3: error: `virtual` not allowed; requires class scope [ModifierRequiresClass]
// CHECK:STDERR: virtual fn H();
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
virtual fn H();
}
// --- fail_access.carbon
library "[[@TEST_NAME]]";
fn F() {
// CHECK:STDERR: fail_access.carbon:[[@LINE+4]]:3: error: `private` not allowed; requires class or file scope [ModifierPrivateNotAllowed]
// CHECK:STDERR: private var v: {};
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
private var v: {};
// CHECK:STDERR: fail_access.carbon:[[@LINE+4]]:3: error: `protected` not allowed; requires class scope [ModifierProtectedNotAllowed]
// CHECK:STDERR: protected var w: {};
// CHECK:STDERR: ^~~~~~~~~
// CHECK:STDERR:
protected var w: {};
}
// CHECK:STDOUT: --- fail_virtual.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %F.type.b25: type = fn_type @F.loc4 [concrete]
// CHECK:STDOUT: %F.c41: %F.type.b25 = struct_value () [concrete]
// CHECK:STDOUT: %F.type.21a: type = fn_type @F.loc9 [concrete]
// CHECK:STDOUT: %F.c14: %F.type.21a = struct_value () [concrete]
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: %H.type: type = fn_type @H [concrete]
// CHECK:STDOUT: %H: %H.type = struct_value () [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %F.decl: %F.type.b25 = fn_decl @F.loc4 [concrete = constants.%F.c41] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.loc4() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F.decl: %F.type.21a = fn_decl @F.loc9 [concrete = constants.%F.c14] {} {}
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [concrete = constants.%G] {} {}
// CHECK:STDOUT: %H.decl: %H.type = fn_decl @H [concrete = constants.%H] {} {}
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F.loc9();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G();
// CHECK:STDOUT:
// CHECK:STDOUT: fn @H();
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_access.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %pattern_type.a96: type = pattern_type %empty_struct_type [concrete]
// CHECK:STDOUT: %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.type.069: type = fn_type @T.as.Destroy.impl.Op, @T.as.Destroy.impl(%empty_struct_type) [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.d5a: %T.as.Destroy.impl.Op.type.069 = struct_value () [concrete]
// CHECK:STDOUT: %ptr.c28: type = ptr_type %empty_struct_type [concrete]
// CHECK:STDOUT: %T.as.Destroy.impl.Op.specific_fn: <specific function> = specific_function %T.as.Destroy.impl.Op.d5a, @T.as.Destroy.impl.Op(%empty_struct_type) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Destroy = %Core.Destroy
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %v.patt: %pattern_type.a96 = binding_pattern v [concrete]
// CHECK:STDOUT: %v.var_patt: %pattern_type.a96 = var_pattern %v.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v.var: ref %empty_struct_type = var %v.var_patt
// CHECK:STDOUT: %.loc9_19.1: type = splice_block %.loc9_19.3 [concrete = constants.%empty_struct_type] {
// CHECK:STDOUT: %.loc9_19.2: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc9_19.3: type = converted %.loc9_19.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %v: ref %empty_struct_type = bind_name v, %v.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %w.patt: %pattern_type.a96 = binding_pattern w [concrete]
// CHECK:STDOUT: %w.var_patt: %pattern_type.a96 = var_pattern %w.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %w.var: ref %empty_struct_type = var %w.var_patt
// CHECK:STDOUT: %.loc14_21.1: type = splice_block %.loc14_21.3 [concrete = constants.%empty_struct_type] {
// CHECK:STDOUT: %.loc14_21.2: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %.loc14_21.3: type = converted %.loc14_21.2, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %w: ref %empty_struct_type = bind_name w, %w.var
// CHECK:STDOUT: %T.as.Destroy.impl.Op.bound.loc14: <bound method> = bound_method %w.var, constants.%T.as.Destroy.impl.Op.d5a
// CHECK:STDOUT: %T.as.Destroy.impl.Op.specific_fn.1: <specific function> = specific_function constants.%T.as.Destroy.impl.Op.d5a, @T.as.Destroy.impl.Op(constants.%empty_struct_type) [concrete = constants.%T.as.Destroy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc14: <bound method> = bound_method %w.var, %T.as.Destroy.impl.Op.specific_fn.1
// CHECK:STDOUT: %addr.loc14: %ptr.c28 = addr_of %w.var
// CHECK:STDOUT: %T.as.Destroy.impl.Op.call.loc14: init %empty_tuple.type = call %bound_method.loc14(%addr.loc14)
// CHECK:STDOUT: %T.as.Destroy.impl.Op.bound.loc9: <bound method> = bound_method %v.var, constants.%T.as.Destroy.impl.Op.d5a
// CHECK:STDOUT: %T.as.Destroy.impl.Op.specific_fn.2: <specific function> = specific_function constants.%T.as.Destroy.impl.Op.d5a, @T.as.Destroy.impl.Op(constants.%empty_struct_type) [concrete = constants.%T.as.Destroy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc9: <bound method> = bound_method %v.var, %T.as.Destroy.impl.Op.specific_fn.2
// CHECK:STDOUT: %addr.loc9: %ptr.c28 = addr_of %v.var
// CHECK:STDOUT: %T.as.Destroy.impl.Op.call.loc9: init %empty_tuple.type = call %bound_method.loc9(%addr.loc9)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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