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8648120bbe
And remove a whole load of const_cast hackery. Semantic nodes may contain internally mutable fields (although only ever modified during resolving), so these are always passed by `const` pointer. While all AST nodes are internally immutable, we have decided that pointers to AST nodes should also be marked `const`, for consistency. There's still a collection of const_cast calls in the Resolver. These will be fixed up in a later change. Bug: tint:745 Change-Id: I046309b8e586772605fc0fe6b2d27f28806d40ef Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/66606 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@chromium.org> Reviewed-by: David Neto <dneto@google.com>
57 lines
1.8 KiB
C++
57 lines
1.8 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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#ifndef SRC_AST_ASSIGNMENT_STATEMENT_H_
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#define SRC_AST_ASSIGNMENT_STATEMENT_H_
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#include "src/ast/expression.h"
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#include "src/ast/statement.h"
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namespace tint {
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namespace ast {
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/// An assignment statement
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class AssignmentStatement : public Castable<AssignmentStatement, Statement> {
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public:
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/// Constructor
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/// @param program_id the identifier of the program that owns this node
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/// @param source the assignment statement source
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/// @param lhs the left side of the expression
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/// @param rhs the right side of the expression
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AssignmentStatement(ProgramID program_id,
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const Source& source,
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const Expression* lhs,
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const Expression* rhs);
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/// Move constructor
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AssignmentStatement(AssignmentStatement&&);
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~AssignmentStatement() override;
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/// Clones this node and all transitive child nodes using the `CloneContext`
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/// `ctx`.
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/// @param ctx the clone context
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/// @return the newly cloned node
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const AssignmentStatement* Clone(CloneContext* ctx) const override;
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/// left side expression
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const Expression* const lhs;
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/// right side expression
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const Expression* const rhs;
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};
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} // namespace ast
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} // namespace tint
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#endif // SRC_AST_ASSIGNMENT_STATEMENT_H_
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