SkSLIntrinsicList.cpp

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/*
 * Copyright 2021 Google LLC.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#include "src/base/SkNoDestructor.h"
#include "src/base/SkStringView.h"
#include "src/sksl/SkSLIntrinsicList.h"
 
using namespace skia_private;
 
namespace SkSL {
 
const IntrinsicMap& GetIntrinsicMap() {
    #define SKSL_INTRINSIC(name) {#name, k_##name##_IntrinsicKind},
    static const SkNoDestructor<IntrinsicMap> kAllIntrinsics(IntrinsicMap{
        SKSL_INTRINSIC_LIST
    });
    #undef SKSL_INTRINSIC
 
    return *kAllIntrinsics;
}
 
IntrinsicKind FindIntrinsicKind(std::string_view functionName) {
    if (skstd::starts_with(functionName, '$')) {
        functionName.remove_prefix(1);
    }
 
    const IntrinsicMap& intrinsicMap = GetIntrinsicMap();
    IntrinsicKind* kind = intrinsicMap.find(functionName);
    return kind ? *kind : kNotIntrinsic;
}
 
}  // namespace SkSL