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46c32d882d
This CL adds a check to the `Is` castable methods to determine if the target type is `final`. If the type being compared too is `final` we bail out early in the walk up the hierarchy as it won't be a parent class. Change-Id: Ieba4dd686e47207a3db0cf3a8ea46fbc1a8d1c91 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/96600 Reviewed-by: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
67 lines
2.1 KiB
C++
67 lines
2.1 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_TINT_AST_INT_LITERAL_EXPRESSION_H_
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#define SRC_TINT_AST_INT_LITERAL_EXPRESSION_H_
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#include "src/tint/ast/literal_expression.h"
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namespace tint::ast {
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/// An integer literal. The literal may have an 'i', 'u' or no suffix.
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class IntLiteralExpression final : public Castable<IntLiteralExpression, LiteralExpression> {
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public:
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/// Literal suffix
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enum class Suffix {
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/// No suffix
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kNone,
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/// 'i' suffix (i32)
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kI,
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/// 'u' suffix (u32)
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kU,
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};
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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 nid the unique node identifier
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/// @param src the source of this node
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/// @param val the literal value
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/// @param suf the literal suffix
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IntLiteralExpression(ProgramID pid, NodeID nid, const Source& src, int64_t val, Suffix suf);
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~IntLiteralExpression() 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 IntLiteralExpression* Clone(CloneContext* ctx) const override;
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/// The literal value
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const int64_t value;
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/// The literal suffix
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const Suffix suffix;
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};
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/// Writes the integer literal suffix to the std::ostream.
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/// @param out the std::ostream to write to
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/// @param suffix the suffix to write
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/// @returns out so calls can be chained
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std::ostream& operator<<(std::ostream& out, IntLiteralExpression::Suffix suffix);
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} // namespace tint::ast
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#endif // SRC_TINT_AST_INT_LITERAL_EXPRESSION_H_
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