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1 //===-- lib/Semantics/check-call.h ------------------------------*- C++ -*-===//
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 // Constraint checking for procedure references
10 
11 #ifndef FORTRAN_SEMANTICS_CHECK_CALL_H_
12 #define FORTRAN_SEMANTICS_CHECK_CALL_H_
13 
14 #include "flang/Evaluate/call.h"
15 
16 namespace Fortran::parser {
17 class Messages;
18 class ContextualMessages;
19 } // namespace Fortran::parser
20 namespace Fortran::evaluate::characteristics {
21 struct Procedure;
22 }
23 namespace Fortran::evaluate {
24 class FoldingContext;
25 }
26 
27 namespace Fortran::semantics {
28 class Scope;
29 
30 // Argument treatingExternalAsImplicit should be true when the called procedure
31 // does not actually have an explicit interface at the call site, but
32 // its characteristics are known because it is a subroutine or function
33 // defined at the top level in the same source file.
34 void CheckArguments(const evaluate::characteristics::Procedure &,
35     evaluate::ActualArguments &, evaluate::FoldingContext &, const Scope &,
36     bool treatingExternalAsImplicit,
37     const evaluate::SpecificIntrinsic *intrinsic);
38 
39 // Checks actual arguments against a procedure with an explicit interface.
40 // Reports a buffer of errors when not compatible.
41 parser::Messages CheckExplicitInterface(
42     const evaluate::characteristics::Procedure &, evaluate::ActualArguments &,
43     const evaluate::FoldingContext &, const Scope &,
44     const evaluate::SpecificIntrinsic *intrinsic);
45 
46 // Checks actual arguments for the purpose of resolving a generic interface.
47 bool CheckInterfaceForGeneric(const evaluate::characteristics::Procedure &,
48     evaluate::ActualArguments &, const evaluate::FoldingContext &);
49 } // namespace Fortran::semantics
50 #endif
51