mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
Richard Smith
a74ca9071b
In preparation for shifting from `TypeId`s potentially representing attached types to always representing unattached types, using [terminology suggested on Discord](https://discord.com/channels/655572317891461132/963846118964350976/1359286326779973712). This change causes us to track slightly more type spelling information through SemIR. One change that has significant impact on the SemIR output is that we now build a `struct_type` instruction in each class representing the types of the fields, including the spelling used for those types. This is now no longer always identical to the corresponding canonical `struct_type` for the object representation, so it's built separately and owned by the class. Also remove `TypeBlock` support entirely, as its only use was representing `TupleType`s, which now use an `InstBlock`.
110 lines
4.7 KiB
C++
110 lines
4.7 KiB
C++
// 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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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include "common/ostream.h"
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#include "common/raw_string_ostream.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/VirtualFileSystem.h"
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#include "testing/base/global_exe_path.h"
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#include "toolchain/driver/driver.h"
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#include "toolchain/testing/yaml_test_helpers.h"
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namespace Carbon::SemIR {
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namespace {
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using ::testing::_;
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using ::testing::AllOf;
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using ::testing::Contains;
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using ::testing::Each;
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using ::testing::ElementsAre;
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using ::testing::IsEmpty;
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using ::testing::MatchesRegex;
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using ::testing::Pair;
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using ::testing::SizeIs;
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namespace Yaml = ::Carbon::Testing::Yaml;
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TEST(SemIRTest, Yaml) {
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llvm::IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> fs =
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new llvm::vfs::InMemoryFileSystem;
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CARBON_CHECK(fs->addFile(
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"test.carbon", /*ModificationTime=*/0,
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llvm::MemoryBuffer::getMemBuffer("fn F() { var x: () = (); return; }")));
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const auto install_paths =
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InstallPaths::MakeForBazelRunfiles(Testing::GetExePath());
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RawStringOstream print_stream;
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Driver driver(fs, &install_paths, /*input_stream=*/nullptr, &print_stream,
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&llvm::errs());
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auto run_result =
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driver.RunCommand({"compile", "--no-prelude-import", "--phase=check",
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"--dump-raw-sem-ir", "test.carbon"});
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EXPECT_TRUE(run_result.success);
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// Matches the ID of an instruction. Instruction counts may change as various
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// support changes, so this code is only doing loose structural checks.
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auto inst_block_id = Yaml::Scalar(MatchesRegex(R"(inst_block(\d+|_empty))"));
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auto inst_id = Yaml::Scalar(MatchesRegex(R"(inst\d+)"));
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auto constant_id =
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Yaml::Scalar(MatchesRegex(R"(concrete_constant\(inst(\w+|\+\d+)\))"));
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auto inst_builtin = Yaml::Scalar(MatchesRegex(R"(inst\(\w+\))"));
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auto type_id =
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Yaml::Scalar(MatchesRegex(R"(type\((\w+|inst\(\w+\)|inst\d+)\))"));
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auto type_builtin = Pair(type_id, Yaml::Mapping(_));
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auto file = Yaml::Mapping(ElementsAre(
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Pair("import_irs", Yaml::Mapping(SizeIs(1))),
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Pair("import_ir_insts", Yaml::Mapping(SizeIs(0))),
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Pair("name_scopes", Yaml::Mapping(SizeIs(1))),
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Pair("entity_names", Yaml::Mapping(SizeIs(1))),
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Pair("functions", Yaml::Mapping(SizeIs(1))),
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Pair("classes", Yaml::Mapping(SizeIs(0))),
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Pair("generics", Yaml::Mapping(SizeIs(0))),
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Pair("specifics", Yaml::Mapping(SizeIs(0))),
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Pair("struct_type_fields", Yaml::Mapping(SizeIs(1))),
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Pair("types", Yaml::Mapping(Each(type_builtin))),
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Pair("insts",
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Yaml::Mapping(AllOf(
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Each(Key(inst_id)),
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// kind is required, other parts are optional.
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Each(Pair(_, Yaml::Mapping(Contains(Pair("kind", _))))),
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// A 0-arg instruction.
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Contains(
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Pair(_, Yaml::Mapping(ElementsAre(Pair("kind", "Return"))))),
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// A 1-arg instruction.
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Contains(Pair(_, Yaml::Mapping(ElementsAre(
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Pair("kind", "TupleType"),
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Pair("arg0", inst_block_id),
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Pair("type", "type(TypeType)"))))),
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// A 2-arg instruction.
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Contains(Pair(
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_, Yaml::Mapping(ElementsAre(Pair("kind", "Assign"),
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Pair("arg0", inst_id),
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Pair("arg1", inst_id)))))))),
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Pair("constant_values",
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Yaml::Mapping(AllOf(Each(Pair(inst_id, constant_id))))),
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Pair("symbolic_constants", Yaml::Mapping(SizeIs(0))),
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Pair("inst_blocks",
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Yaml::Mapping(ElementsAre(
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Pair("inst_block_empty", Yaml::Mapping(IsEmpty())),
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Pair("exports", Yaml::Mapping(Each(Pair(_, inst_id)))),
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Pair("import_refs", Yaml::Mapping(IsEmpty())),
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Pair("global_init", Yaml::Mapping(IsEmpty())),
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Pair("inst_block4", Yaml::Mapping(Each(Pair(_, inst_id)))),
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Pair("inst_block5", Yaml::Mapping(Each(Pair(_, inst_id)))),
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Pair("inst_block6", Yaml::Mapping(Each(Pair(_, inst_id)))),
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Pair("inst_block7", Yaml::Mapping(Each(Pair(_, inst_id)))),
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Pair("inst_block8", Yaml::Mapping(Each(Pair(_, inst_id)))))))));
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auto root = Yaml::Sequence(ElementsAre(Yaml::Mapping(
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ElementsAre(Pair("filename", "test.carbon"), Pair("sem_ir", file)))));
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EXPECT_THAT(Yaml::Value::FromText(print_stream.TakeStr()), IsYaml(root));
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}
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} // namespace
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} // namespace Carbon::SemIR
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