xref: /llvm-project/flang/lib/Semantics/pointer-assignment.h (revision f82ee15554bfa9e8f2a26678caa25dbabb5fa220)
1 //===-- lib/Semantics/pointer-assignment.h --------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef FORTRAN_SEMANTICS_POINTER_ASSIGNMENT_H_
10 #define FORTRAN_SEMANTICS_POINTER_ASSIGNMENT_H_
11 
12 #include "flang/Evaluate/expression.h"
13 #include "flang/Parser/char-block.h"
14 #include "flang/Semantics/type.h"
15 #include <string>
16 
17 namespace Fortran::evaluate::characteristics {
18 struct DummyDataObject;
19 }
20 
21 namespace Fortran::semantics {
22 
23 class SemanticsContext;
24 class Symbol;
25 
26 bool CheckPointerAssignment(
27     SemanticsContext &, const evaluate::Assignment &, const Scope &);
28 bool CheckPointerAssignment(SemanticsContext &, const SomeExpr &lhs,
29     const SomeExpr &rhs, const Scope &, bool isBoundsRemapping,
30     bool isAssumedRank);
31 bool CheckPointerAssignment(SemanticsContext &, parser::CharBlock source,
32     const std::string &description,
33     const evaluate::characteristics::DummyDataObject &, const SomeExpr &rhs,
34     const Scope &, bool isAssumedRank);
35 
36 bool CheckStructConstructorPointerComponent(
37     SemanticsContext &, const Symbol &lhs, const SomeExpr &rhs, const Scope &);
38 
39 // Checks whether an expression is a valid static initializer for a
40 // particular pointer designator.
41 bool CheckInitialDataPointerTarget(SemanticsContext &, const SomeExpr &pointer,
42     const SomeExpr &init, const Scope &);
43 
44 } // namespace Fortran::semantics
45 
46 #endif // FORTRAN_SEMANTICS_POINTER_ASSIGNMENT_H_
47