mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-05 22:02:55 +01:00
Geoff RomerandRichard Smith
a112cbde5c
This is a precondition for enabling the new pattern-matching subsystem to support binding patterns that have `if` expressions in the type position. --------- Co-authored-by: Richard Smith <richard@metafoo.co.uk>
104 lines
4.8 KiB
Plaintext
104 lines
4.8 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/class/fail_unbound_field.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/fail_unbound_field.carbon
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class Class {
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var field: i32;
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fn F() -> i32 {
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// CHECK:STDERR: fail_unbound_field.carbon:[[@LINE+4]]:12: error: expression cannot be used as a value [UseOfNonExprAsValue]
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// CHECK:STDERR: return field;
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// CHECK:STDERR: ^~~~~
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// CHECK:STDERR:
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return field;
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}
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}
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fn G() -> i32 {
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// CHECK:STDERR: fail_unbound_field.carbon:[[@LINE+3]]:10: error: expression cannot be used as a value [UseOfNonExprAsValue]
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// CHECK:STDERR: return Class.field;
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// CHECK:STDERR: ^~~~~~~~~~~
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return Class.field;
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}
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// CHECK:STDOUT: --- fail_unbound_field.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %Class: type = class_type @Class [template]
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [template]
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// CHECK:STDOUT: %Class.elem: type = unbound_element_type %Class, %i32 [template]
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// CHECK:STDOUT: %F.type: type = fn_type @F [template]
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// CHECK:STDOUT: %F: %F.type = struct_value () [template]
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// CHECK:STDOUT: %struct_type.field: type = struct_type {.field: %i32} [template]
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// CHECK:STDOUT: %complete_type.3: <witness> = complete_type_witness %struct_type.field [template]
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// CHECK:STDOUT: %G.type: type = fn_type @G [template]
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// CHECK:STDOUT: %G: %G.type = struct_value () [template]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
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// CHECK:STDOUT: .Int = %import_ref.1
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// CHECK:STDOUT: import Core//prelude
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// CHECK:STDOUT: import Core//prelude/...
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [template] {
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// CHECK:STDOUT: .Core = imports.%Core
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// CHECK:STDOUT: .Class = %Class.decl
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// CHECK:STDOUT: .G = %G.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core.import = import Core
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// CHECK:STDOUT: %Class.decl: type = class_decl @Class [template = constants.%Class] {} {}
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// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [template = constants.%G] {
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// CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
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// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
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// CHECK:STDOUT: %return.param: ref %i32 = out_param runtime_param0
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// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: class @Class {
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// CHECK:STDOUT: %.loc12: %Class.elem = field_decl field, element0 [template]
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// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {
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// CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
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// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
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// CHECK:STDOUT: %return.param: ref %i32 = out_param runtime_param0
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// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %complete_type: <witness> = complete_type_witness %struct_type.field [template = constants.%complete_type.3]
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = constants.%Class
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// CHECK:STDOUT: .field = %.loc12
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// CHECK:STDOUT: .F = %F.decl
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// CHECK:STDOUT: complete_type_witness = %complete_type
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F() -> %i32 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %field.ref: %Class.elem = name_ref field, @Class.%.loc12 [template = @Class.%.loc12]
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// CHECK:STDOUT: return <error>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @G() -> %i32 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %Class.ref: type = name_ref Class, file.%Class.decl [template = constants.%Class]
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// CHECK:STDOUT: %field.ref: %Class.elem = name_ref field, @Class.%.loc12 [template = @Class.%.loc12]
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// CHECK:STDOUT: return <error>
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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