132 lines
3.7 KiB
C++
132 lines
3.7 KiB
C++
// Copyright 2021 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/program.h"
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#include <utility>
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#include "src/demangler.h"
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#include "src/resolver/resolver.h"
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#include "src/sem/expression.h"
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namespace tint {
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namespace {
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std::string DefaultPrinter(const Program*) {
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return "<no program printer assigned>";
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}
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} // namespace
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Program::Printer Program::printer = DefaultPrinter;
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Program::Program() = default;
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Program::Program(Program&& program)
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: id_(std::move(program.id_)),
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types_(std::move(program.types_)),
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ast_nodes_(std::move(program.ast_nodes_)),
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sem_nodes_(std::move(program.sem_nodes_)),
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ast_(std::move(program.ast_)),
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sem_(std::move(program.sem_)),
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symbols_(std::move(program.symbols_)),
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diagnostics_(std::move(program.diagnostics_)),
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is_valid_(program.is_valid_) {
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program.AssertNotMoved();
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program.moved_ = true;
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}
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Program::Program(ProgramBuilder&& builder) {
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id_ = builder.ID();
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is_valid_ = builder.IsValid();
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if (builder.ResolveOnBuild() && builder.IsValid()) {
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resolver::Resolver resolver(&builder);
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if (!resolver.Resolve()) {
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is_valid_ = false;
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}
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}
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// The above must be called *before* the calls to std::move() below
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types_ = std::move(builder.Types());
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ast_nodes_ = std::move(builder.ASTNodes());
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sem_nodes_ = std::move(builder.SemNodes());
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ast_ = &builder.AST(); // ast::Module is actually a heap allocation.
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sem_ = std::move(builder.Sem());
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symbols_ = std::move(builder.Symbols());
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diagnostics_.add(std::move(builder.Diagnostics()));
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builder.MarkAsMoved();
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if (!is_valid_ && !diagnostics_.contains_errors()) {
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// If the builder claims to be invalid, then we really should have an error
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// message generated. If we find a situation where the program is not valid
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// and there are no errors reported, add one here.
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diagnostics_.add_error(diag::System::Program, "invalid program generated");
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}
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}
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Program::~Program() = default;
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Program& Program::operator=(Program&& program) {
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program.AssertNotMoved();
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program.moved_ = true;
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moved_ = false;
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id_ = std::move(program.id_);
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types_ = std::move(program.types_);
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ast_nodes_ = std::move(program.ast_nodes_);
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sem_nodes_ = std::move(program.sem_nodes_);
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ast_ = std::move(program.ast_);
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sem_ = std::move(program.sem_);
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symbols_ = std::move(program.symbols_);
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diagnostics_ = std::move(program.diagnostics_);
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is_valid_ = program.is_valid_;
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return *this;
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}
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Program Program::Clone() const {
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AssertNotMoved();
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return Program(CloneAsBuilder());
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}
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ProgramBuilder Program::CloneAsBuilder() const {
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AssertNotMoved();
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ProgramBuilder out;
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CloneContext(&out, this).Clone();
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return out;
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}
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bool Program::IsValid() const {
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AssertNotMoved();
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return is_valid_;
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}
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const sem::Type* Program::TypeOf(const ast::Expression* expr) const {
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auto* sem = Sem().Get(expr);
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return sem ? sem->Type() : nullptr;
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}
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const sem::Type* Program::TypeOf(const ast::Type* type) const {
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return Sem().Get(type);
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}
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const sem::Type* Program::TypeOf(const ast::TypeDecl* type_decl) const {
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return Sem().Get(type_decl);
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}
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void Program::AssertNotMoved() const {
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TINT_ASSERT(Program, !moved_);
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}
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} // namespace tint
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