applyOptionsPragmas.h

/*
 * SPDX-FileCopyrightText: 2013 Barefoot Networks, Inc.
 * Copyright 2013-present Barefoot Networks, Inc.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef FRONTENDS_COMMON_APPLYOPTIONSPRAGMAS_H_
#define FRONTENDS_COMMON_APPLYOPTIONSPRAGMAS_H_
 
#include <optional>
#include <vector>
 
#include "ir/ir.h"
#include "ir/visitor.h"
#include "lib/cstring.h"
 
namespace P4 {

class IOptionPragmaParser {
 public:
    using CommandLineOptions = std::vector<const char *>;
 
    virtual std::optional<CommandLineOptions> tryToParse(const IR::Annotation *annotation) = 0;
};

class ApplyOptionsPragmas : public Inspector {
 public:
    explicit ApplyOptionsPragmas(IOptionPragmaParser &parser);
 
    bool preorder(const IR::Annotation *annotation) override;
    void end_apply() override;
 
 private:
    IOptionPragmaParser &parser;
    IOptionPragmaParser::CommandLineOptions options;
};

class P4COptionPragmaParser : public IOptionPragmaParser {
    bool supportCommandLinePragma;
 
 public:
    std::optional<CommandLineOptions> tryToParse(const IR::Annotation *annotation) override;
 
    explicit P4COptionPragmaParser(bool supportCommandLinePragma)
        : supportCommandLinePragma(supportCommandLinePragma) {}
 
 private:
    std::optional<CommandLineOptions> parseDiagnostic(const IR::Annotation *annotation);
};
 
}  // namespace P4
 
#endif /* FRONTENDS_COMMON_APPLYOPTIONSPRAGMAS_H_ */