src/tint/lang/wgsl/sem/if_statement.h

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#ifndef SRC_TINT_LANG_WGSL_SEM_IF_STATEMENT_H_
#define SRC_TINT_LANG_WGSL_SEM_IF_STATEMENT_H_

#include "src/tint/lang/wgsl/sem/statement.h"

// Forward declarations
namespace tint::ast {
class IfStatement;
}  // namespace tint::ast
namespace tint::sem {
class ValueExpression;
}  // namespace tint::sem

namespace tint::sem {

/// Holds semantic information about an if statement
class IfStatement final : public Castable<IfStatement, CompoundStatement> {
  public:
    /// Constructor
    /// @param declaration the AST node for this if statement
    /// @param parent the owning statement
    /// @param function the owning function
    IfStatement(const ast::IfStatement* declaration,
                const CompoundStatement* parent,
                const sem::Function* function);

    /// Destructor
    ~IfStatement() override;

    /// @returns the AST node
    const ast::IfStatement* Declaration() const;

    /// @returns the if-statement condition expression
    const ValueExpression* Condition() const { return condition_; }

    /// Sets the if-statement condition expression
    /// @param condition the if condition expression
    void SetCondition(const ValueExpression* condition) { condition_ = condition; }

  private:
    const ValueExpression* condition_ = nullptr;
};

}  // namespace tint::sem

#endif  // SRC_TINT_LANG_WGSL_SEM_IF_STATEMENT_H_