Ben Clayton 207b5e2de1 Move tint::ast::type to tint::type
Despite `tint::ast::type::Type` being in the AST namespace, these classes are clearly not AST nodes:
* They don't derive from ast::Node
* They're deduplicated by the type manager
* None of the types have an Source - they have no lexical declaration point
* The fact we have `ast::Struct` and `ast::type::Struct` clearly demonstrates what is an AST node, and what is a type.
* We have code scattered in the codebase (TypeDeterminer, writers, etc) that create new types after parsing - so clearly not part of the original syntax tree.

Types in tint are closer to being semantic info, but due to the parse-time generation of types, and tight dependency of ast::Nodes to types, I'd be reluctant to class these as semantic info. Instead, put these into a separate root level `tint::type` namespace and `src/tint` directory.

The fact that types exist in the ast::Module has already caused bugs (https://dawn-review.googlesource.com/c/tint/+/37261). This is a first step in separating out types from the ast::Module.

Bug: tint:390
Change-Id: I8349bbbd1b19597b8e6d51d5cda0890de46ecaec
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/38002
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
2021-01-21 15:42:10 +00:00

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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef INCLUDE_TINT_TINT_H_
#define INCLUDE_TINT_TINT_H_
// TODO(tint:88): When implementing support for an install target, all of these
// headers will need to be moved to include/tint/.
#include "src/ast/pipeline_stage.h"
#include "src/demangler.h"
#include "src/diagnostic/printer.h"
#include "src/inspector/inspector.h"
#include "src/namer.h"
#include "src/reader/reader.h"
#include "src/transform/bound_array_accessors.h"
#include "src/transform/emit_vertex_point_size.h"
#include "src/transform/first_index_offset.h"
#include "src/transform/manager.h"
#include "src/transform/vertex_pulling.h"
#include "src/type/type_manager.h"
#include "src/type_determiner.h"
#include "src/validator/validator.h"
#include "src/writer/writer.h"
#if TINT_BUILD_SPV_READER
#include "src/reader/spirv/parser.h"
#endif // TINT_BUILD_SPV_READER
#if TINT_BUILD_WGSL_READER
#include "src/reader/wgsl/parser.h"
#endif // TINT_BUILD_WGSL_READER
#if TINT_BUILD_SPV_WRITER
#include "spirv-tools/libspirv.hpp"
#include "src/writer/spirv/generator.h"
#endif // TINT_BUILD_SPV_WRITER
#if TINT_BUILD_WGSL_WRITER
#include "src/writer/wgsl/generator.h"
#endif // TINT_BUILD_WGSL_WRITER
#if TINT_BUILD_MSL_WRITER
#include "src/writer/msl/generator.h"
#endif // TINT_BUILD_MSL_WRITER
#if TINT_BUILD_HLSL_WRITER
#include "src/writer/hlsl/generator.h"
#endif // TINT_BUILD_HLSL_WRITER
#endif // INCLUDE_TINT_TINT_H_