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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>
62 lines
1.8 KiB
C++
62 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_ELSE_STATEMENT_H_
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#define SRC_AST_ELSE_STATEMENT_H_
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#include <vector>
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#include "src/ast/block_statement.h"
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#include "src/ast/expression.h"
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namespace tint {
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namespace ast {
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/// An else statement
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class ElseStatement : public Castable<ElseStatement, Statement> {
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public:
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/// Constructor
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/// @param pid the identifier of the program that owns this node
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/// @param src the source of this node
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/// @param condition the else condition
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/// @param body the else body
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ElseStatement(ProgramID pid,
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const Source& src,
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const Expression* condition,
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const BlockStatement* body);
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/// Move constructor
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ElseStatement(ElseStatement&&);
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~ElseStatement() 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 ElseStatement* Clone(CloneContext* ctx) const override;
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/// The else condition or nullptr if none set
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const Expression* const condition;
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/// The else body
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const BlockStatement* const body;
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};
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/// A list of else statements
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using ElseStatementList = std::vector<const ElseStatement*>;
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} // namespace ast
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} // namespace tint
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#endif // SRC_AST_ELSE_STATEMENT_H_
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