mirror of
https://github.com/carbon-language/carbon-lang.git
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Richard Smith
a45dc42d82
Instead of storing a `TypeId` that always refer to a facet type that always contains exactly a single interface, store the interface directly. Also improve stringification of `LookupImplWitness` and witness access into it, switching to using newly-added functionality for stringifying specific interfaces.
100 lines
5.4 KiB
Plaintext
100 lines
5.4 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/where_expr/non_generic.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/where_expr/non_generic.carbon
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interface I { let T:! type; }
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// Ensure that we don't crash when checking this `where` in a non-generic context.
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fn NotGenericF(U: I where .T == i32) {}
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// CHECK:STDOUT: --- non_generic.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %I.type: type = facet_type <@I> [concrete]
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// CHECK:STDOUT: %Self: %I.type = bind_symbolic_name Self, 0 [symbolic]
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// CHECK:STDOUT: %I.assoc_type: type = assoc_entity_type @I [concrete]
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// CHECK:STDOUT: %assoc0: %I.assoc_type = assoc_entity element0, @I.%T [concrete]
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// CHECK:STDOUT: %.Self: %I.type = bind_symbolic_name .Self [symbolic_self]
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// CHECK:STDOUT: %.Self.as_type: type = facet_access_type %.Self [symbolic_self]
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// CHECK:STDOUT: %.Self.as_wit.iface0: <witness> = facet_access_witness %.Self, element0 [symbolic_self]
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// CHECK:STDOUT: %I.facet: %I.type = facet_value %.Self.as_type, (%.Self.as_wit.iface0) [symbolic_self]
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// CHECK:STDOUT: %impl.elem0: type = impl_witness_access %.Self.as_wit.iface0, element0 [symbolic_self]
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
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// CHECK:STDOUT: %I_where.type: type = facet_type <@I where TODO> [concrete]
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// CHECK:STDOUT: %NotGenericF.type: type = fn_type @NotGenericF [concrete]
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// CHECK:STDOUT: %NotGenericF: %NotGenericF.type = struct_value () [concrete]
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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, [concrete] {
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// CHECK:STDOUT: .Int = %Core.Int
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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 [concrete] {
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// CHECK:STDOUT: .Core = imports.%Core
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// CHECK:STDOUT: .I = %I.decl
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// CHECK:STDOUT: .NotGenericF = %NotGenericF.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core.import = import Core
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// CHECK:STDOUT: %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
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// CHECK:STDOUT: %NotGenericF.decl: %NotGenericF.type = fn_decl @NotGenericF [concrete = constants.%NotGenericF] {
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// CHECK:STDOUT: %U.patt: %I_where.type = binding_pattern U
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// CHECK:STDOUT: %U.param_patt: %I_where.type = value_param_pattern %U.patt, call_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %U.param: %I_where.type = value_param call_param0
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// CHECK:STDOUT: %.loc14_21.1: type = splice_block %.loc14_21.2 [concrete = constants.%I_where.type] {
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// CHECK:STDOUT: %I.ref: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
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// CHECK:STDOUT: %.Self: %I.type = bind_symbolic_name .Self [symbolic_self = constants.%.Self]
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// CHECK:STDOUT: %.Self.ref: %I.type = name_ref .Self, %.Self [symbolic_self = constants.%.Self]
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// CHECK:STDOUT: %T.ref: %I.assoc_type = name_ref T, @T.%assoc0 [concrete = constants.%assoc0]
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// CHECK:STDOUT: %.Self.as_type: type = facet_access_type %.Self.ref [symbolic_self = constants.%.Self.as_type]
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// CHECK:STDOUT: %.loc14_27: type = converted %.Self.ref, %.Self.as_type [symbolic_self = constants.%.Self.as_type]
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// CHECK:STDOUT: %.Self.as_wit.iface0: <witness> = facet_access_witness %.Self.ref, element0 [symbolic_self = constants.%.Self.as_wit.iface0]
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// CHECK:STDOUT: %impl.elem0: type = impl_witness_access %.Self.as_wit.iface0, element0 [symbolic_self = constants.%impl.elem0]
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
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// CHECK:STDOUT: %.loc14_21.2: type = where_expr %.Self [concrete = constants.%I_where.type] {
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// CHECK:STDOUT: requirement_equivalent %impl.elem0, %i32
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %U: %I_where.type = bind_name U, %U.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: interface @I {
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// CHECK:STDOUT: %Self: %I.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
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// CHECK:STDOUT: %T: type = assoc_const_decl @T [concrete] {
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// CHECK:STDOUT: %assoc0: %I.assoc_type = assoc_entity element0, @I.%T [concrete = constants.%assoc0]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: !members:
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// CHECK:STDOUT: .Self = %Self
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// CHECK:STDOUT: .T = @T.%assoc0
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// CHECK:STDOUT: witness = (%T)
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: generic assoc_const @T(@I.%Self: %I.type) {
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// CHECK:STDOUT: assoc_const T:! type;
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @NotGenericF(%U.param_patt: %I_where.type) {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: specific @T(constants.%Self) {}
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// CHECK:STDOUT:
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// CHECK:STDOUT: specific @T(constants.%I.facet) {}
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// CHECK:STDOUT:
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