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carbon-lang/toolchain/check/testdata/let/fail_modifiers.carbon
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Jon Ross-Perkins ac2428acaf Start unifying let/var handling. (#4032) 
Merges handle_let.cpp and handle_variable.cpp into a single file in
order to take better advantage of commonalities.

Both still have a bunch of kludges, and there's still divergent handling
in handle_binding_pattern that will yield different results. However,
this fixes some things about `let` like starting to make use of
global_init (imperfectly, due to how VarStorage works, I grant), and in
particular adding `let` names to a name scope, not just lexical lookup.
2024-06-07 20:08:31 +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/let/fail_modifiers.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/let/fail_modifiers.carbon
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: ERROR: `protected` not allowed on `let` declaration at file scope, `protected` is only allowed on class members.
// CHECK:STDERR: protected let b: i32 = 1;
// CHECK:STDERR: ^~~~~~~~~
// CHECK:STDERR:
protected let b: i32 = 1;
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: ERROR: `default` not allowed on `let` declaration outside of an interface.
// CHECK:STDERR: default let c: i32 = 1;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
default let c: i32 = 1;
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: ERROR: `final` not allowed on `let` declaration outside of an interface.
// CHECK:STDERR: final let d: i32 = 1;
// CHECK:STDERR: ^~~~~
// CHECK:STDERR:
final let d: i32 = 1;
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: ERROR: `virtual` not allowed on `let` declaration.
// CHECK:STDERR: virtual let e: i32 = 1;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
virtual let e: i32 = 1;
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+11]]:1: ERROR: `default` not allowed on `let` declaration outside of an interface.
// CHECK:STDERR: default final let f: i32 = 1;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+7]]:9: ERROR: `final` not allowed on declaration with `default`.
// CHECK:STDERR: default final let f: i32 = 1;
// CHECK:STDERR: ^~~~~
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: `default` previously appeared here.
// CHECK:STDERR: default final let f: i32 = 1;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
default final let f: i32 = 1;
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+11]]:1: ERROR: `default` not allowed on `let` declaration outside of an interface.
// CHECK:STDERR: default default let g: i32 = 1;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+7]]:9: ERROR: `default` repeated on declaration.
// CHECK:STDERR: default default let g: i32 = 1;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: `default` previously appeared here.
// CHECK:STDERR: default default let g: i32 = 1;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR:
default default let g: i32 = 1;
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+11]]:1: ERROR: `protected` not allowed on `let` declaration at file scope, `protected` is only allowed on class members.
// CHECK:STDERR: protected private let h: i32 = 1;
// CHECK:STDERR: ^~~~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+7]]:11: ERROR: `private` not allowed on declaration with `protected`.
// CHECK:STDERR: protected private let h: i32 = 1;
// CHECK:STDERR: ^~~~~~~
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+4]]:1: `protected` previously appeared here.
// CHECK:STDERR: protected private let h: i32 = 1;
// CHECK:STDERR: ^~~~~~~~~
// CHECK:STDERR:
protected private let h: i32 = 1;
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+10]]:1: ERROR: `protected` not allowed on `let` declaration at file scope, `protected` is only allowed on class members.
// CHECK:STDERR: protected protected let i: i32 = 1;
// CHECK:STDERR: ^~~~~~~~~
// CHECK:STDERR:
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+6]]:11: ERROR: `protected` repeated on declaration.
// CHECK:STDERR: protected protected let i: i32 = 1;
// CHECK:STDERR: ^~~~~~~~~
// CHECK:STDERR: fail_modifiers.carbon:[[@LINE+3]]:1: `protected` previously appeared here.
// CHECK:STDERR: protected protected let i: i32 = 1;
// CHECK:STDERR: ^~~~~~~~~
protected protected let i: i32 = 1;
// CHECK:STDOUT: --- fail_modifiers.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: %.2: i32 = int_literal 1 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [template] {
// CHECK:STDOUT: .Core = %Core
// CHECK:STDOUT: .b = @__global_init.%b
// CHECK:STDOUT: .c = @__global_init.%c
// CHECK:STDOUT: .d = @__global_init.%d
// CHECK:STDOUT: .e = @__global_init.%e
// CHECK:STDOUT: .f = @__global_init.%f
// CHECK:STDOUT: .g = @__global_init.%g
// CHECK:STDOUT: .h = @__global_init.%h
// CHECK:STDOUT: .i = @__global_init.%i
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core: <namespace> = namespace [template] {}
// CHECK:STDOUT: %import_ref.1: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT: %int.make_type_32.loc15: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc15_18.1: type = value_of_initializer %int.make_type_32.loc15 [template = i32]
// CHECK:STDOUT: %.loc15_18.2: type = converted %int.make_type_32.loc15, %.loc15_18.1 [template = i32]
// CHECK:STDOUT: %import_ref.2: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT: %int.make_type_32.loc21: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc21_16.1: type = value_of_initializer %int.make_type_32.loc21 [template = i32]
// CHECK:STDOUT: %.loc21_16.2: type = converted %int.make_type_32.loc21, %.loc21_16.1 [template = i32]
// CHECK:STDOUT: %import_ref.3: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT: %int.make_type_32.loc27: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc27_14.1: type = value_of_initializer %int.make_type_32.loc27 [template = i32]
// CHECK:STDOUT: %.loc27_14.2: type = converted %int.make_type_32.loc27, %.loc27_14.1 [template = i32]
// CHECK:STDOUT: %import_ref.4: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT: %int.make_type_32.loc33: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc33_16.1: type = value_of_initializer %int.make_type_32.loc33 [template = i32]
// CHECK:STDOUT: %.loc33_16.2: type = converted %int.make_type_32.loc33, %.loc33_16.1 [template = i32]
// CHECK:STDOUT: %import_ref.5: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT: %int.make_type_32.loc46: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc46_22.1: type = value_of_initializer %int.make_type_32.loc46 [template = i32]
// CHECK:STDOUT: %.loc46_22.2: type = converted %int.make_type_32.loc46, %.loc46_22.1 [template = i32]
// CHECK:STDOUT: %import_ref.6: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT: %int.make_type_32.loc59: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc59_24.1: type = value_of_initializer %int.make_type_32.loc59 [template = i32]
// CHECK:STDOUT: %.loc59_24.2: type = converted %int.make_type_32.loc59, %.loc59_24.1 [template = i32]
// CHECK:STDOUT: %import_ref.7: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT: %int.make_type_32.loc72: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc72_26.1: type = value_of_initializer %int.make_type_32.loc72 [template = i32]
// CHECK:STDOUT: %.loc72_26.2: type = converted %int.make_type_32.loc72, %.loc72_26.1 [template = i32]
// CHECK:STDOUT: %import_ref.8: %Int32.type = import_ref ir3, inst+3, loaded [template = constants.%Int32]
// CHECK:STDOUT: %int.make_type_32.loc84: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc84_28.1: type = value_of_initializer %int.make_type_32.loc84 [template = i32]
// CHECK:STDOUT: %.loc84_28.2: type = converted %int.make_type_32.loc84, %.loc84_28.1 [template = i32]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %.loc15: i32 = int_literal 1 [template = constants.%.2]
// CHECK:STDOUT: %b: i32 = bind_name b, %.loc15
// CHECK:STDOUT: %.loc21: i32 = int_literal 1 [template = constants.%.2]
// CHECK:STDOUT: %c: i32 = bind_name c, %.loc21
// CHECK:STDOUT: %.loc27: i32 = int_literal 1 [template = constants.%.2]
// CHECK:STDOUT: %d: i32 = bind_name d, %.loc27
// CHECK:STDOUT: %.loc33: i32 = int_literal 1 [template = constants.%.2]
// CHECK:STDOUT: %e: i32 = bind_name e, %.loc33
// CHECK:STDOUT: %.loc46: i32 = int_literal 1 [template = constants.%.2]
// CHECK:STDOUT: %f: i32 = bind_name f, %.loc46
// CHECK:STDOUT: %.loc59: i32 = int_literal 1 [template = constants.%.2]
// CHECK:STDOUT: %g: i32 = bind_name g, %.loc59
// CHECK:STDOUT: %.loc72: i32 = int_literal 1 [template = constants.%.2]
// CHECK:STDOUT: %h: i32 = bind_name h, %.loc72
// CHECK:STDOUT: %.loc84: i32 = int_literal 1 [template = constants.%.2]
// CHECK:STDOUT: %i: i32 = bind_name i, %.loc84
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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