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a6b9a8eb2f
Program is now immutable*, and remains part of the public Tint interface. ProgramBuilder is the mutable builder for Programs, and is not part of the public Tint interface. ast::Builder has been folded into ProgramBuilder. Immutable Programs can be cloned into a mutable ProgramBuilder with Program::CloneAsBuilder(). Mutable ProgramBuilders can be moved into immutable Programs. * - mostly immutable. It still has a move constructor and move assignment operator - required for practical usage - and the semantic information on AST nodes is still mutable. Bug: tint:390 Change-Id: Ia856c50b1880c2f95c91467a9eef5024cbc380c6 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/38240 Reviewed-by: dan sinclair <dsinclair@chromium.org>
52 lines
1.7 KiB
C++
52 lines
1.7 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/ast/variable_decl_statement.h"
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#include "src/clone_context.h"
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#include "src/program_builder.h"
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TINT_INSTANTIATE_CLASS_ID(tint::ast::VariableDeclStatement);
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namespace tint {
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namespace ast {
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VariableDeclStatement::VariableDeclStatement(const Source& source,
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Variable* variable)
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: Base(source), variable_(variable) {}
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VariableDeclStatement::VariableDeclStatement(VariableDeclStatement&&) = default;
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VariableDeclStatement::~VariableDeclStatement() = default;
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VariableDeclStatement* VariableDeclStatement::Clone(CloneContext* ctx) const {
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return ctx->dst->create<VariableDeclStatement>(ctx->Clone(source()),
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ctx->Clone(variable_));
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}
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bool VariableDeclStatement::IsValid() const {
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return variable_ != nullptr && variable_->IsValid();
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}
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void VariableDeclStatement::to_str(std::ostream& out, size_t indent) const {
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make_indent(out, indent);
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out << "VariableDeclStatement{" << std::endl;
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variable_->to_str(out, indent + 2);
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make_indent(out, indent);
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out << "}" << std::endl;
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}
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} // namespace ast
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} // namespace tint
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