Source/WebGPU/WGSL/AST/ASTSwitchStatement.h

/*
 * Copyright (C) 2023 Apple Inc. All rights reserved.
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#pragma once

#include "ASTStatement.h"

namespace WGSL::AST {

struct SwitchClause {
    AST::Expression::List selectors;
    AST::CompoundStatement::Ref body;
};

class SwitchStatement final : public Statement {
    WGSL_AST_BUILDER_NODE(SwitchStatement);
public:
    NodeKind kind() const final;
    Expression& value() { return m_value.get(); }
    Attribute::List& valueAttributes() { return m_valueAttributes; }
    Vector<SwitchClause>& clauses() { return m_clauses; }
    SwitchClause& defaultClause() { return m_defaultClause; }

    bool isInsideLoop() const { return m_isInsideLoop; }
    void setIsInsideLoop() { m_isInsideLoop = true;; }

    bool isNestedInsideLoop() const { return m_isNestedInsideLoop; }
    void setIsNestedInsideLoop() { m_isNestedInsideLoop = true; }

private:
    SwitchStatement(SourceSpan span, AST::Expression::Ref&& value, AST::Attribute::List&& valueAttributes, Vector<SwitchClause>&& clauses, SwitchClause&& defaultClause)
        : Statement(span)
        , m_value(WTF::move(value))
        , m_valueAttributes(WTF::move(valueAttributes))
        , m_clauses(WTF::move(clauses))
        , m_defaultClause(WTF::move(defaultClause))
    { }

    bool m_isInsideLoop { false };
    bool m_isNestedInsideLoop { false };
    Expression::Ref m_value;
    Attribute::List m_valueAttributes;
    Vector<SwitchClause> m_clauses;
    SwitchClause m_defaultClause;
};

} // namespace WGSL::AST

SPECIALIZE_TYPE_TRAITS_WGSL_AST(SwitchStatement)