15fa287b64
Summary: This change implements support for image selectors and image selector specifications as described in section 9.6. In check-coarray[.h,cpp] I changed the `Leave()` function for `parser::ImageSelectorSpec` to take a `parser::ImageSelector`, which contains a list of image selector specifications. This allows us to detect when the same specification is used more than once. I also added code to analyze the expressions for the image selector specifications to expression.cpp and a test for all of the conditions to check at compile-time. Note that we do not check at compile-time to see if the value of the cosubscripts are within the specified cobounds. We also do not check anything related to selecting a valid team. We also do not check that the denotation of the `stat-variable` is not dependent on the evaluation of an entity in the same statement. Reviewers: klausler, tskeith, DavidTruby Subscribers: llvm-commits Tags: #llvm, #flang Differential Revision: https://reviews.llvm.org/D83336
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
//===-- lib/Semantics/check-coarray.h ---------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef FORTRAN_SEMANTICS_CHECK_COARRAY_H_
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#define FORTRAN_SEMANTICS_CHECK_COARRAY_H_
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#include "flang/Semantics/semantics.h"
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#include <list>
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namespace Fortran::parser {
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class CharBlock;
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class MessageFixedText;
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struct ChangeTeamStmt;
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struct CoarrayAssociation;
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struct FormTeamStmt;
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struct ImageSelector;
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struct SyncTeamStmt;
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} // namespace Fortran::parser
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namespace Fortran::semantics {
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class CoarrayChecker : public virtual BaseChecker {
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public:
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CoarrayChecker(SemanticsContext &context) : context_{context} {}
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void Leave(const parser::ChangeTeamStmt &);
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void Leave(const parser::SyncTeamStmt &);
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void Leave(const parser::ImageSelector &);
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void Leave(const parser::FormTeamStmt &);
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void Enter(const parser::CriticalConstruct &);
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private:
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SemanticsContext &context_;
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bool haveStat_;
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bool haveTeam_;
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bool haveTeamNumber_;
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void CheckNamesAreDistinct(const std::list<parser::CoarrayAssociation> &);
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void Say2(const parser::CharBlock &, parser::MessageFixedText &&,
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const parser::CharBlock &, parser::MessageFixedText &&);
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};
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} // namespace Fortran::semantics
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#endif // FORTRAN_SEMANTICS_CHECK_COARRAY_H_
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