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docs/ -> docs/tint/ fuzzers/ -> src/tint/fuzzers/ samples/ -> src/tint/cmd/ src/ -> src/tint/ test/ -> test/tint/ BUG=tint:1418,tint:1433 Change-Id: Id2aa79f989aef3245b80ef4aa37a27ff16cd700b Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/80482 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
117 lines
3.5 KiB
C++
117 lines
3.5 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/tint/clone_context.h"
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#include <string>
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#include "src/tint/program_builder.h"
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#include "src/tint/utils/map.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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}
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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 (const 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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const tint::Cloneable* CloneContext::CloneCloneable(const Cloneable* object) {
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// If the input is nullptr, there's nothing to clone - just return nullptr.
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if (object == nullptr) {
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return nullptr;
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}
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// Was Replace() called for this object?
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auto it = replacements_.find(object);
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if (it != replacements_.end()) {
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return it->second();
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}
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// Attempt to clone using the registered replacer functions.
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auto& typeinfo = object->TypeInfo();
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for (auto& transform : transforms_) {
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if (typeinfo.Is(transform.typeinfo)) {
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if (auto* transformed = transform.function(object)) {
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return transformed;
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}
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break;
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}
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}
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// No transform for this type, or the transform returned nullptr.
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// Clone with T::Clone().
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return object->Clone(this);
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}
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void CloneContext::CheckedCastFailure(const Cloneable* got,
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const TypeInfo& expected) {
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TINT_ICE(Clone, Diagnostics())
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<< "Cloned object was not of the expected type\n"
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<< "got: " << got->TypeInfo().name << "\n"
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<< "expected: " << expected.name;
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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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