backends/p4tools/modules/testgen/lib/exceptions.h

/*
 * SPDX-FileCopyrightText: 2022 The P4 Language Consortium
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef BACKENDS_P4TOOLS_MODULES_TESTGEN_LIB_EXCEPTIONS_H_
#define BACKENDS_P4TOOLS_MODULES_TESTGEN_LIB_EXCEPTIONS_H_
 
#include "absl/strings/str_cat.h"
#include "lib/exceptions.h"
 
namespace P4::P4Tools::P4Testgen {

class TestgenUnimplemented final : public Util::P4CExceptionBase {
 public:
    template <typename... Args>
    explicit TestgenUnimplemented(const char *format, Args &&...args)
        : P4CExceptionBase(format, std::forward<Args>(args)...) {
        // Check if output is redirected and if so, then don't color text so that
        // escape characters are not present
        message = absl::StrCat(Util::cerr_colorize(Util::ANSI_BLUE), "Not yet implemented",
                               Util::cerr_clear_colors(), ":\n", message);
    }
 
    template <typename... Args>
    TestgenUnimplemented(int line, const char *file, const char *format, Args &&...args)
        : P4CExceptionBase(format, std::forward<Args>(args)...) {
        message = absl::StrCat(
            "In file: ", file, ":", line, "\n", Util::cerr_colorize(Util::ANSI_BLUE),
            "Unimplemented compiler support", Util::cerr_clear_colors(), ": ", message);
    }
};
 
#define TESTGEN_UNIMPLEMENTED(...)                                   \
    do {                                                             \
        throw TestgenUnimplemented(__LINE__, __FILE__, __VA_ARGS__); \
    } while (0)
 
}  // namespace P4::P4Tools::P4Testgen
 
#endif /* BACKENDS_P4TOOLS_MODULES_TESTGEN_LIB_EXCEPTIONS_H_ */