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/*
* Copyright (C) 2023 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "ASTExpression.h"
#include <wtf/EnumTraits.h>
#include <wtf/Forward.h>
#include <wtf/text/ASCIILiteral.h>
namespace WGSL::AST {
#define WGSL_AST_BINOP_IMPL \
WGSL_AST_BINOP(Add, "+") \
WGSL_AST_BINOP(Subtract, "-") \
WGSL_AST_BINOP(Multiply, "*") \
WGSL_AST_BINOP(Divide, "/") \
WGSL_AST_BINOP(Modulo, "%") \
WGSL_AST_BINOP(And, "&") \
WGSL_AST_BINOP(Or, "|") \
WGSL_AST_BINOP(Xor, "^") \
WGSL_AST_BINOP(LeftShift, "<<") \
WGSL_AST_BINOP(RightShift, ">>") \
WGSL_AST_BINOP(Equal, "==") \
WGSL_AST_BINOP(NotEqual, "!=") \
WGSL_AST_BINOP(GreaterThan, ">") \
WGSL_AST_BINOP(GreaterEqual, ">=") \
WGSL_AST_BINOP(LessThan, "<") \
WGSL_AST_BINOP(LessEqual, "<=") \
WGSL_AST_BINOP(ShortCircuitAnd, "&&") \
WGSL_AST_BINOP(ShortCircuitOr, "||")
enum class BinaryOperation : uint8_t {
#define WGSL_AST_BINOP(x, y) x,
WGSL_AST_BINOP_IMPL
#undef WGSL_AST_BINOP
};
constexpr ASCIILiteral toASCIILiteral(BinaryOperation op)
{
constexpr ASCIILiteral binaryOperationNames[] = {
#define WGSL_AST_BINOP(x, y) y##_s,
WGSL_AST_BINOP_IMPL
#undef WGSL_AST_BINOP
};
return binaryOperationNames[WTF::enumToUnderlyingType(op)];
}
void printInternal(PrintStream&, BinaryOperation);
class BinaryExpression : public Expression {
WGSL_AST_BUILDER_NODE(BinaryExpression);
public:
NodeKind kind() const override;
BinaryOperation operation() const { return m_operation; }
Expression& leftExpression() { return m_lhs.get(); }
Expression& rightExpression() { return m_rhs.get(); }
private:
BinaryExpression(SourceSpan span, Expression::Ref&& lhs, Expression::Ref&& rhs, BinaryOperation operation)
: Expression(span)
, m_lhs(WTFMove(lhs))
, m_rhs(WTFMove(rhs))
, m_operation(operation)
{ }
Expression::Ref m_lhs;
Expression::Ref m_rhs;
BinaryOperation m_operation;
};
} // namespace WGSL::AST
SPECIALIZE_TYPE_TRAITS_WGSL_AST(BinaryExpression)
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