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#ifndef SRC_TINT_LANG_WGSL_RESOLVER_UNRESOLVED_IDENTIFIER_H_
#define SRC_TINT_LANG_WGSL_RESOLVER_UNRESOLVED_IDENTIFIER_H_

#include "src/tint/lang/wgsl/ast/identifier_expression.h"
#include "src/tint/lang/wgsl/sem/expression.h"

namespace tint::resolver {

/// Represents an identifier that could not be resolved.
class UnresolvedIdentifier : public Castable<UnresolvedIdentifier, sem::Expression> {
  public:
    /// Constructor
    /// @param i the identifier that could not be resolved
    /// @param statement the statement that owns this expression
    UnresolvedIdentifier(const ast::IdentifierExpression* i, const sem::Statement* statement);

    /// Destructor
    ~UnresolvedIdentifier() override;

    /// @returns the identifier that could not be resolved
    const ast::IdentifierExpression* Identifier() const {
        return static_cast<const ast::IdentifierExpression*>(declaration_);
    }
};

}  // namespace tint::resolver

#endif  // SRC_TINT_LANG_WGSL_RESOLVER_UNRESOLVED_IDENTIFIER_H_