@nickymeuleman/aoc2023/aoc2023_wasm.js

Solutions to Advent of Code 2023 in Rust compiled to WebAssembly

let wasm;

const heap = new Array(128).fill(undefined);

heap.push(undefined, null, true, false);

function getObject(idx) { return heap[idx]; }

let heap_next = heap.length;

function dropObject(idx) {
    if (idx < 132) return;
    heap[idx] = heap_next;
    heap_next = idx;
}

function takeObject(idx) {
    const ret = getObject(idx);
    dropObject(idx);
    return ret;
}

const cachedTextDecoder = (typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-8', { ignoreBOM: true, fatal: true }) : { decode: () => { throw Error('TextDecoder not available') } } );

if (typeof TextDecoder !== 'undefined') { cachedTextDecoder.decode(); };

let cachedUint8Memory0 = null;

function getUint8Memory0() {
    if (cachedUint8Memory0 === null || cachedUint8Memory0.byteLength === 0) {
        cachedUint8Memory0 = new Uint8Array(wasm.memory.buffer);
    }
    return cachedUint8Memory0;
}

function getStringFromWasm0(ptr, len) {
    ptr = ptr >>> 0;
    return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len));
}

function addHeapObject(obj) {
    if (heap_next === heap.length) heap.push(heap.length + 1);
    const idx = heap_next;
    heap_next = heap[idx];

    heap[idx] = obj;
    return idx;
}

function makeMutClosure(arg0, arg1, dtor, f) {
    const state = { a: arg0, b: arg1, cnt: 1, dtor };
    const real = (...args) => {
        // First up with a closure we increment the internal reference
        // count. This ensures that the Rust closure environment won't
        // be deallocated while we're invoking it.
        state.cnt++;
        const a = state.a;
        state.a = 0;
        try {
            return f(a, state.b, ...args);
        } finally {
            if (--state.cnt === 0) {
                wasm.__wbindgen_export_0.get(state.dtor)(a, state.b);

            } else {
                state.a = a;
            }
        }
    };
    real.original = state;

    return real;
}
function __wbg_adapter_10(arg0, arg1, arg2) {
    wasm.__wbindgen_export_1(arg0, arg1, addHeapObject(arg2));
}

let WASM_VECTOR_LEN = 0;

const cachedTextEncoder = (typeof TextEncoder !== 'undefined' ? new TextEncoder('utf-8') : { encode: () => { throw Error('TextEncoder not available') } } );

const encodeString = (typeof cachedTextEncoder.encodeInto === 'function'
    ? function (arg, view) {
    return cachedTextEncoder.encodeInto(arg, view);
}
    : function (arg, view) {
    const buf = cachedTextEncoder.encode(arg);
    view.set(buf);
    return {
        read: arg.length,
        written: buf.length
    };
});

function passStringToWasm0(arg, malloc, realloc) {

    if (realloc === undefined) {
        const buf = cachedTextEncoder.encode(arg);
        const ptr = malloc(buf.length, 1) >>> 0;
        getUint8Memory0().subarray(ptr, ptr + buf.length).set(buf);
        WASM_VECTOR_LEN = buf.length;
        return ptr;
    }

    let len = arg.length;
    let ptr = malloc(len, 1) >>> 0;

    const mem = getUint8Memory0();

    let offset = 0;

    for (; offset < len; offset++) {
        const code = arg.charCodeAt(offset);
        if (code > 0x7F) break;
        mem[ptr + offset] = code;
    }

    if (offset !== len) {
        if (offset !== 0) {
            arg = arg.slice(offset);
        }
        ptr = realloc(ptr, len, len = offset + arg.length * 3, 1) >>> 0;
        const view = getUint8Memory0().subarray(ptr + offset, ptr + len);
        const ret = encodeString(arg, view);

        offset += ret.written;
    }

    WASM_VECTOR_LEN = offset;
    return ptr;
}
/**
* @param {number} day
* @param {number} part
* @param {string} input
* @returns {Promise<WasmSolution>}
*/
export function solve(day, part, input) {
    const ptr0 = passStringToWasm0(input, wasm.__wbindgen_export_2, wasm.__wbindgen_export_3);
    const len0 = WASM_VECTOR_LEN;
    const ret = wasm.solve(day, part, ptr0, len0);
    return takeObject(ret);
}

function handleError(f, args) {
    try {
        return f.apply(this, args);
    } catch (e) {
        wasm.__wbindgen_export_4(addHeapObject(e));
    }
}
function __wbg_adapter_14(arg0, arg1, arg2, arg3) {
    wasm.__wbindgen_export_5(arg0, arg1, addHeapObject(arg2), addHeapObject(arg3));
}

let cachedInt32Memory0 = null;

function getInt32Memory0() {
    if (cachedInt32Memory0 === null || cachedInt32Memory0.byteLength === 0) {
        cachedInt32Memory0 = new Int32Array(wasm.memory.buffer);
    }
    return cachedInt32Memory0;
}

function isLikeNone(x) {
    return x === undefined || x === null;
}
/**
*/
export class WasmSolution {

    static __wrap(ptr) {
        ptr = ptr >>> 0;
        const obj = Object.create(WasmSolution.prototype);
        obj.__wbg_ptr = ptr;

        return obj;
    }

    __destroy_into_raw() {
        const ptr = this.__wbg_ptr;
        this.__wbg_ptr = 0;

        return ptr;
    }

    free() {
        const ptr = this.__destroy_into_raw();
        wasm.__wbg_wasmsolution_free(ptr);
    }
    /**
    * @returns {string | undefined}
    */
    get part1() {
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            wasm.__wbg_get_wasmsolution_part1(retptr, this.__wbg_ptr);
            var r0 = getInt32Memory0()[retptr / 4 + 0];
            var r1 = getInt32Memory0()[retptr / 4 + 1];
            let v1;
            if (r0 !== 0) {
                v1 = getStringFromWasm0(r0, r1).slice();
                wasm.__wbindgen_export_6(r0, r1 * 1);
            }
            return v1;
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
        }
    }
    /**
    * @param {string | undefined} arg0
    */
    set part1(arg0) {
        var ptr0 = isLikeNone(arg0) ? 0 : passStringToWasm0(arg0, wasm.__wbindgen_export_2, wasm.__wbindgen_export_3);
        var len0 = WASM_VECTOR_LEN;
        wasm.__wbg_set_wasmsolution_part1(this.__wbg_ptr, ptr0, len0);
    }
    /**
    * @returns {string | undefined}
    */
    get part2() {
        try {
            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
            wasm.__wbg_get_wasmsolution_part2(retptr, this.__wbg_ptr);
            var r0 = getInt32Memory0()[retptr / 4 + 0];
            var r1 = getInt32Memory0()[retptr / 4 + 1];
            let v1;
            if (r0 !== 0) {
                v1 = getStringFromWasm0(r0, r1).slice();
                wasm.__wbindgen_export_6(r0, r1 * 1);
            }
            return v1;
        } finally {
            wasm.__wbindgen_add_to_stack_pointer(16);
        }
    }
    /**
    * @param {string | undefined} arg0
    */
    set part2(arg0) {
        var ptr0 = isLikeNone(arg0) ? 0 : passStringToWasm0(arg0, wasm.__wbindgen_export_2, wasm.__wbindgen_export_3);
        var len0 = WASM_VECTOR_LEN;
        wasm.__wbg_set_wasmsolution_part2(this.__wbg_ptr, ptr0, len0);
    }
}

async function __wbg_load(module, imports) {
    if (typeof Response === 'function' && module instanceof Response) {
        if (typeof WebAssembly.instantiateStreaming === 'function') {
            try {
                return await WebAssembly.instantiateStreaming(module, imports);

            } catch (e) {
                if (module.headers.get('Content-Type') != 'application/wasm') {
                    console.warn("`WebAssembly.instantiateStreaming` failed because your server does not serve wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n", e);

                } else {
                    throw e;
                }
            }
        }

        const bytes = await module.arrayBuffer();
        return await WebAssembly.instantiate(bytes, imports);

    } else {
        const instance = await WebAssembly.instantiate(module, imports);

        if (instance instanceof WebAssembly.Instance) {
            return { instance, module };

        } else {
            return instance;
        }
    }
}

function __wbg_get_imports() {
    const imports = {};
    imports.wbg = {};
    imports.wbg.__wbindgen_object_drop_ref = function(arg0) {
        takeObject(arg0);
    };
    imports.wbg.__wbindgen_error_new = function(arg0, arg1) {
        const ret = new Error(getStringFromWasm0(arg0, arg1));
        return addHeapObject(ret);
    };
    imports.wbg.__wbindgen_cb_drop = function(arg0) {
        const obj = takeObject(arg0).original;
        if (obj.cnt-- == 1) {
            obj.a = 0;
            return true;
        }
        const ret = false;
        return ret;
    };
    imports.wbg.__wbg_call_01734de55d61e11d = function() { return handleError(function (arg0, arg1, arg2) {
        const ret = getObject(arg0).call(getObject(arg1), getObject(arg2));
        return addHeapObject(ret);
    }, arguments) };
    imports.wbg.__wbg_new_43f1b47c28813cbd = function(arg0, arg1) {
        try {
            var state0 = {a: arg0, b: arg1};
            var cb0 = (arg0, arg1) => {
                const a = state0.a;
                state0.a = 0;
                try {
                    return __wbg_adapter_14(a, state0.b, arg0, arg1);
                } finally {
                    state0.a = a;
                }
            };
            const ret = new Promise(cb0);
            return addHeapObject(ret);
        } finally {
            state0.a = state0.b = 0;
        }
    };
    imports.wbg.__wbg_resolve_53698b95aaf7fcf8 = function(arg0) {
        const ret = Promise.resolve(getObject(arg0));
        return addHeapObject(ret);
    };
    imports.wbg.__wbg_then_f7e06ee3c11698eb = function(arg0, arg1) {
        const ret = getObject(arg0).then(getObject(arg1));
        return addHeapObject(ret);
    };
    imports.wbg.__wbg_wasmsolution_new = function(arg0) {
        const ret = WasmSolution.__wrap(arg0);
        return addHeapObject(ret);
    };
    imports.wbg.__wbindgen_throw = function(arg0, arg1) {
        throw new Error(getStringFromWasm0(arg0, arg1));
    };
    imports.wbg.__wbindgen_closure_wrapper42 = function(arg0, arg1, arg2) {
        const ret = makeMutClosure(arg0, arg1, 14, __wbg_adapter_10);
        return addHeapObject(ret);
    };

    return imports;
}

function __wbg_init_memory(imports, maybe_memory) {

}

function __wbg_finalize_init(instance, module) {
    wasm = instance.exports;
    __wbg_init.__wbindgen_wasm_module = module;
    cachedInt32Memory0 = null;
    cachedUint8Memory0 = null;


    return wasm;
}

function initSync(module) {
    if (wasm !== undefined) return wasm;

    const imports = __wbg_get_imports();

    __wbg_init_memory(imports);

    if (!(module instanceof WebAssembly.Module)) {
        module = new WebAssembly.Module(module);
    }

    const instance = new WebAssembly.Instance(module, imports);

    return __wbg_finalize_init(instance, module);
}

async function __wbg_init(input) {
    if (wasm !== undefined) return wasm;

    if (typeof input === 'undefined') {
        input = new URL('aoc2023_wasm_bg.wasm', import.meta.url);
    }
    const imports = __wbg_get_imports();

    if (typeof input === 'string' || (typeof Request === 'function' && input instanceof Request) || (typeof URL === 'function' && input instanceof URL)) {
        input = fetch(input);
    }

    __wbg_init_memory(imports);

    const { instance, module } = await __wbg_load(await input, imports);

    return __wbg_finalize_init(instance, module);
}

export { initSync }
export default __wbg_init;