FLANG

pointer-assignment.h
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::evaluate {
22 class FoldingContext;
23 }
24
25 namespace Fortran::semantics {
26
27 class Symbol;
28
29 bool CheckPointerAssignment(
30 evaluate::FoldingContext &, const evaluate::Assignment &);
31 bool CheckPointerAssignment(evaluate::FoldingContext &, const SomeExpr &lhs,
32 const SomeExpr &rhs, bool isBoundsRemapping = false);
33 bool CheckPointerAssignment(
34 evaluate::FoldingContext &, const Symbol &lhs, const SomeExpr &rhs);
35 bool CheckPointerAssignment(evaluate::FoldingContext &,
36 parser::CharBlock source, const std::string &description,
37 const evaluate::characteristics::DummyDataObject &, const SomeExpr &rhs);
38
39 // Checks whether an expression is a valid static initializer for a
40 // particular pointer designator.
41 bool CheckInitialTarget(
42 evaluate::FoldingContext &, const SomeExpr &pointer, const SomeExpr &init);
43
44 } // namespace Fortran::semantics
45
46 #endif // FORTRAN_SEMANTICS_POINTER_ASSIGNMENT_H_