//===-- lib/Semantics/pointer-assignment.h --------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef FORTRAN_SEMANTICS_POINTER_ASSIGNMENT_H_
#define FORTRAN_SEMANTICS_POINTER_ASSIGNMENT_H_

#include "flang/Evaluate/expression.h"
#include "flang/Parser/char-block.h"
#include "flang/Semantics/type.h"
#include <string>

namespace Fortran::evaluate::characteristics {
struct DummyDataObject;
}

namespace Fortran::semantics {

class SemanticsContext;
class Symbol;

bool CheckPointerAssignment(
    SemanticsContext &, const evaluate::Assignment &, const Scope &);
bool CheckPointerAssignment(SemanticsContext &, const SomeExpr &lhs,
    const SomeExpr &rhs, const Scope &, bool isBoundsRemapping,
    bool isAssumedRank);
bool CheckPointerAssignment(SemanticsContext &, parser::CharBlock source,
    const std::string &description,
    const evaluate::characteristics::DummyDataObject &, const SomeExpr &rhs,
    const Scope &, bool isAssumedRank);

bool CheckStructConstructorPointerComponent(
    SemanticsContext &, const Symbol &lhs, const SomeExpr &rhs, const Scope &);

// Checks whether an expression is a valid static initializer for a
// particular pointer designator.
bool CheckInitialDataPointerTarget(SemanticsContext &, const SomeExpr &pointer,
    const SomeExpr &init, const Scope &);

} // namespace Fortran::semantics

#endif // FORTRAN_SEMANTICS_POINTER_ASSIGNMENT_H_