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b5cd10c7bd
Allows transforms to assert their dependencies have been run before they are. Also allows the backends to validate that their sanitizers have been run before they're used. Change-Id: I1e97afe06f9e7371283bade54bbb2e2c41f87a00 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/55442 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: James Price <jrprice@google.com>
82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/clone_context.h"
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#include <string>
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#include "src/program_builder.h"
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#include "src/utils/get_or_create.h"
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TINT_INSTANTIATE_TYPEINFO(tint::Cloneable);
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namespace tint {
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CloneContext::ListTransforms::ListTransforms() = default;
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CloneContext::ListTransforms::~ListTransforms() = default;
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CloneContext::CloneContext(ProgramBuilder* to,
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Program const* from,
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bool auto_clone_symbols)
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: dst(to), src(from) {
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if (auto_clone_symbols) {
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// Almost all transforms will want to clone all symbols before doing any
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// work, to avoid any newly created symbols clashing with existing symbols
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// in the source program and causing them to be renamed.
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from->Symbols().Foreach([&](Symbol s, const std::string&) { Clone(s); });
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}
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}
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CloneContext::CloneContext(ProgramBuilder* builder)
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: CloneContext(builder, nullptr, false) {}
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CloneContext::~CloneContext() = default;
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Symbol CloneContext::Clone(Symbol s) {
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if (!src) {
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return s; // In-place clone
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}
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return utils::GetOrCreate(cloned_symbols_, s, [&]() -> Symbol {
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if (symbol_transform_) {
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return symbol_transform_(s);
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}
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return dst->Symbols().New(src->Symbols().NameFor(s));
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});
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}
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void CloneContext::Clone() {
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dst->AST().Copy(this, &src->AST());
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dst->SetTransformApplied(src->TransformsApplied());
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}
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ast::FunctionList CloneContext::Clone(const ast::FunctionList& v) {
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ast::FunctionList out;
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out.reserve(v.size());
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for (ast::Function* el : v) {
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out.Add(Clone(el));
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}
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return out;
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}
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diag::List& CloneContext::Diagnostics() const {
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return dst->Diagnostics();
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}
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CloneContext::CloneableTransform::CloneableTransform() = default;
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CloneContext::CloneableTransform::CloneableTransform(
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const CloneableTransform&) = default;
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CloneContext::CloneableTransform::~CloneableTransform() = default;
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} // namespace tint
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