/*

 * Copyright 2023 Google Inc.

 *

 * Use of this source code is governed by a BSD-style license that can be

 * found in the LICENSE file.

 */

#include "src/sksl/ir/SkSLExtension.h"

#include "include/private/base/SkAssert.h"

#include "src/sksl/SkSLContext.h"

#include "src/sksl/SkSLErrorReporter.h"

#include "src/sksl/SkSLProgramSettings.h"

namespace SkSL {

std::unique_ptr<Extension> Extension::Convert(const Context& context,

                                              Position pos,

                                              std::string_view name,

                                              std::string_view behaviorText) {

    if (ProgramConfig::IsRuntimeEffect(context.fConfig->fKind)) {

        // Runtime Effects do not allow any #extensions.

        context.fErrors->error(pos, "unsupported directive '#extension'");

        return nullptr;

    }

    if (behaviorText == "disable") {

        // We allow `#extension <name> : disable`, but it is a no-op.

        return nullptr;

    }

    if (behaviorText != "require" && behaviorText != "enable" && behaviorText != "warn") {

        context.fErrors->error(pos, "expected 'require', 'enable', 'warn', or 'disable'");

        return nullptr;

    }

    // We don't currently do anything different between `require`, `enable`, and `warn`.

    return Extension::Make(context, pos, name);

}

std::unique_ptr<Extension> Extension::Make(const Context& context,

                                           Position pos,

                                           std::string_view name) {

    SkASSERT(!ProgramConfig::IsRuntimeEffect(context.fConfig->fKind));

    return std::make_unique<SkSL::Extension>(pos, name);

}

Unexecuted instantiation: SkSL::Extension::Make(SkSL::Context const&, SkSL::Position, std::__1::basic_string_view<char, std::__1::char_traits<char> >)

Unexecuted instantiation: SkSL::Extension::Make(SkSL::Context const&, SkSL::Position, std::__1::basic_string_view<char, std::__1::char_traits<char> >)

}  // namespace SkSL