lin-ldf/lin_ldf.js

WebAssembly parser for LDF files that describe automotive LIN bus networks.

let wasm;

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 cachedUint8ArrayMemory0 = null;

function getUint8ArrayMemory0() {
    if (cachedUint8ArrayMemory0 === null || cachedUint8ArrayMemory0.byteLength === 0) {
        cachedUint8ArrayMemory0 = new Uint8Array(wasm.memory.buffer);
    }
    return cachedUint8ArrayMemory0;
}

function getStringFromWasm0(ptr, len) {
    ptr = ptr >>> 0;
    return cachedTextDecoder.decode(getUint8ArrayMemory0().subarray(ptr, ptr + len));
}

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;
        getUint8ArrayMemory0().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 = getUint8ArrayMemory0();

    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 = getUint8ArrayMemory0().subarray(ptr + offset, ptr + len);
        const ret = encodeString(arg, view);

        offset += ret.written;
        ptr = realloc(ptr, len, offset, 1) >>> 0;
    }

    WASM_VECTOR_LEN = offset;
    return ptr;
}

function takeFromExternrefTable0(idx) {
    const value = wasm.__wbindgen_export_0.get(idx);
    wasm.__externref_table_dealloc(idx);
    return value;
}
/**
 * Parse LDF file content and return a JavaScript-friendly structure
 *
 * This is the main entry point for the library. Pass in LDF file content
 * as a string and get back a parsed structure that can be used in JavaScript.
 *
 * The returned structure uses the same types as the main lin-ldf library
 * but is serialized to JavaScript-compatible format.
 * @param {string} ldf_content
 * @returns {any}
 */
export function parse_ldf_file(ldf_content) {
    const ptr0 = passStringToWasm0(ldf_content, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
    const len0 = WASM_VECTOR_LEN;
    const ret = wasm.parse_ldf_file(ptr0, len0);
    if (ret[2]) {
        throw takeFromExternrefTable0(ret[1]);
    }
    return takeFromExternrefTable0(ret[0]);
}

/**
 * Parse LDF file content and return it as a JSON string
 *
 * This function is useful if you prefer working with JSON strings
 * instead of JavaScript objects.
 * @param {string} ldf_content
 * @returns {string}
 */
export function parse_ldf_to_json(ldf_content) {
    let deferred3_0;
    let deferred3_1;
    try {
        const ptr0 = passStringToWasm0(ldf_content, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
        const len0 = WASM_VECTOR_LEN;
        const ret = wasm.parse_ldf_to_json(ptr0, len0);
        var ptr2 = ret[0];
        var len2 = ret[1];
        if (ret[3]) {
            ptr2 = 0; len2 = 0;
            throw takeFromExternrefTable0(ret[2]);
        }
        deferred3_0 = ptr2;
        deferred3_1 = len2;
        return getStringFromWasm0(ptr2, len2);
    } finally {
        wasm.__wbindgen_free(deferred3_0, deferred3_1, 1);
    }
}

/**
 * Parse LDF file content and return it as a pretty-printed JSON string
 *
 * This function is useful for debugging or when you want formatted JSON output.
 * @param {string} ldf_content
 * @returns {string}
 */
export function parse_ldf_to_pretty_json(ldf_content) {
    let deferred3_0;
    let deferred3_1;
    try {
        const ptr0 = passStringToWasm0(ldf_content, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
        const len0 = WASM_VECTOR_LEN;
        const ret = wasm.parse_ldf_to_pretty_json(ptr0, len0);
        var ptr2 = ret[0];
        var len2 = ret[1];
        if (ret[3]) {
            ptr2 = 0; len2 = 0;
            throw takeFromExternrefTable0(ret[2]);
        }
        deferred3_0 = ptr2;
        deferred3_1 = len2;
        return getStringFromWasm0(ptr2, len2);
    } finally {
        wasm.__wbindgen_free(deferred3_0, deferred3_1, 1);
    }
}

/**
 * Create a LinLdf object from a JSON string
 *
 * This function allows you to deserialize a previously serialized LinLdf object.
 * Useful for saving/loading parsed LDF data.
 * @param {string} json_str
 * @returns {any}
 */
export function ldf_from_json(json_str) {
    const ptr0 = passStringToWasm0(json_str, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
    const len0 = WASM_VECTOR_LEN;
    const ret = wasm.ldf_from_json(ptr0, len0);
    if (ret[2]) {
        throw takeFromExternrefTable0(ret[1]);
    }
    return takeFromExternrefTable0(ret[0]);
}

/**
 * Get the version of the WASM wrapper
 * @returns {string}
 */
export function get_wasm_version() {
    let deferred1_0;
    let deferred1_1;
    try {
        const ret = wasm.get_wasm_version();
        deferred1_0 = ret[0];
        deferred1_1 = ret[1];
        return getStringFromWasm0(ret[0], ret[1]);
    } finally {
        wasm.__wbindgen_free(deferred1_0, deferred1_1, 1);
    }
}

/**
 * Get the version of the underlying lin-ldf library
 * @returns {string}
 */
export function get_core_version() {
    let deferred1_0;
    let deferred1_1;
    try {
        const ret = wasm.get_core_version();
        deferred1_0 = ret[0];
        deferred1_1 = ret[1];
        return getStringFromWasm0(ret[0], ret[1]);
    } finally {
        wasm.__wbindgen_free(deferred1_0, deferred1_1, 1);
    }
}

/**
 * Validate LDF file content without fully parsing it
 *
 * Returns true if the LDF content appears to be valid, false otherwise.
 * This is faster than full parsing for validation purposes.
 * @param {string} ldf_content
 * @returns {boolean}
 */
export function validate_ldf(ldf_content) {
    const ptr0 = passStringToWasm0(ldf_content, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
    const len0 = WASM_VECTOR_LEN;
    const ret = wasm.validate_ldf(ptr0, len0);
    return ret !== 0;
}

/**
 * Get basic statistics about an LDF file
 *
 * Returns a JavaScript object with counts of various LDF elements.
 * @param {string} ldf_content
 * @returns {any}
 */
export function get_ldf_stats(ldf_content) {
    const ptr0 = passStringToWasm0(ldf_content, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
    const len0 = WASM_VECTOR_LEN;
    const ret = wasm.get_ldf_stats(ptr0, len0);
    if (ret[2]) {
        throw takeFromExternrefTable0(ret[1]);
    }
    return takeFromExternrefTable0(ret[0]);
}

export function main() {
    wasm.main();
}

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.__wbg_log_cbaaee7050bdbcd7 = function(arg0, arg1) {
        console.log(getStringFromWasm0(arg0, arg1));
    };
    imports.wbg.__wbg_new_405e22f390576ce2 = function() {
        const ret = new Object();
        return ret;
    };
    imports.wbg.__wbg_new_5e0be73521bc8c17 = function() {
        const ret = new Map();
        return ret;
    };
    imports.wbg.__wbg_new_78feb108b6472713 = function() {
        const ret = new Array();
        return ret;
    };
    imports.wbg.__wbg_set_37837023f3d740e8 = function(arg0, arg1, arg2) {
        arg0[arg1 >>> 0] = arg2;
    };
    imports.wbg.__wbg_set_3fda3bac07393de4 = function(arg0, arg1, arg2) {
        arg0[arg1] = arg2;
    };
    imports.wbg.__wbg_set_8fc6bf8a5b1071d1 = function(arg0, arg1, arg2) {
        const ret = arg0.set(arg1, arg2);
        return ret;
    };
    imports.wbg.__wbindgen_bigint_from_i64 = function(arg0) {
        const ret = arg0;
        return ret;
    };
    imports.wbg.__wbindgen_bigint_from_u64 = function(arg0) {
        const ret = BigInt.asUintN(64, arg0);
        return ret;
    };
    imports.wbg.__wbindgen_error_new = function(arg0, arg1) {
        const ret = new Error(getStringFromWasm0(arg0, arg1));
        return ret;
    };
    imports.wbg.__wbindgen_init_externref_table = function() {
        const table = wasm.__wbindgen_export_0;
        const offset = table.grow(4);
        table.set(0, undefined);
        table.set(offset + 0, undefined);
        table.set(offset + 1, null);
        table.set(offset + 2, true);
        table.set(offset + 3, false);
        ;
    };
    imports.wbg.__wbindgen_is_string = function(arg0) {
        const ret = typeof(arg0) === 'string';
        return ret;
    };
    imports.wbg.__wbindgen_number_new = function(arg0) {
        const ret = arg0;
        return ret;
    };
    imports.wbg.__wbindgen_string_new = function(arg0, arg1) {
        const ret = getStringFromWasm0(arg0, arg1);
        return ret;
    };
    imports.wbg.__wbindgen_throw = function(arg0, arg1) {
        throw new Error(getStringFromWasm0(arg0, arg1));
    };

    return imports;
}

function __wbg_init_memory(imports, memory) {

}

function __wbg_finalize_init(instance, module) {
    wasm = instance.exports;
    __wbg_init.__wbindgen_wasm_module = module;
    cachedUint8ArrayMemory0 = null;


    wasm.__wbindgen_start();
    return wasm;
}

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


    if (typeof module !== 'undefined') {
        if (Object.getPrototypeOf(module) === Object.prototype) {
            ({module} = module)
        } else {
            console.warn('using deprecated parameters for `initSync()`; pass a single object instead')
        }
    }

    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(module_or_path) {
    if (wasm !== undefined) return wasm;


    if (typeof module_or_path !== 'undefined') {
        if (Object.getPrototypeOf(module_or_path) === Object.prototype) {
            ({module_or_path} = module_or_path)
        } else {
            console.warn('using deprecated parameters for the initialization function; pass a single object instead')
        }
    }

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

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

    __wbg_init_memory(imports);

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

    return __wbg_finalize_init(instance, module);
}

export { initSync };
export default __wbg_init;