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796 lines
26 KiB
JavaScript
796 lines
26 KiB
JavaScript
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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// deno-lint-ignore-file
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// Run using cargo test or `--v8-flags=--allow-natives-syntax`
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import {
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assertThrows,
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assert,
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assertNotEquals,
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assertInstanceOf,
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assertEquals,
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assertFalse,
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} from "../../test_util/std/testing/asserts.ts";
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const targetDir = Deno.execPath().replace(/[^\/\\]+$/, "");
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const [libPrefix, libSuffix] = {
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darwin: ["lib", "dylib"],
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linux: ["lib", "so"],
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windows: ["", "dll"],
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}[Deno.build.os];
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const libPath = `${targetDir}/${libPrefix}test_ffi.${libSuffix}`;
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const resourcesPre = Deno.resources();
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// dlopen shouldn't panic
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assertThrows(() => {
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Deno.dlopen("cli/src/main.rs", {});
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});
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assertThrows(
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() => {
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Deno.dlopen(libPath, {
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non_existent_symbol: {
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parameters: [],
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result: "void",
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},
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});
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},
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Error,
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"Failed to register symbol non_existent_symbol",
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);
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assertThrows(() => {
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Deno.dlopen(libPath, {
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print_something: {
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parameters: [],
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result: { struct: [] }
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},
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}),
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TypeError,
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"Struct must have at least one field"
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});
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assertThrows(() => {
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Deno.dlopen(libPath, {
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print_something: {
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parameters: [ { struct: [] } ],
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result: "void",
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},
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}),
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TypeError,
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"Struct must have at least one field"
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});
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const Empty = { struct: [] }
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assertThrows(() => {
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Deno.dlopen(libPath, {
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print_something: {
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parameters: [ { struct: [Empty] } ],
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result: "void",
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},
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}),
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TypeError,
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"Struct must have at least one field"
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});
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const Point = ["f64", "f64"];
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const Size = ["f64", "f64"];
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const Rect = ["f64", "f64", "f64", "f64"];
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const RectNested = [{ struct: Point }, { struct: Size }];
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const Mixed = ["u8", "f32", { struct: Rect }, "usize", { struct: ["u32", "u32"] }];
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const dylib = Deno.dlopen(libPath, {
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"printSomething": {
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name: "print_something",
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parameters: [],
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result: "void",
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},
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"print_buffer": { parameters: ["buffer", "usize"], result: "void" },
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"print_pointer": { name: "print_buffer", parameters: ["pointer", "usize"], result: "void" },
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"print_buffer2": {
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parameters: ["buffer", "usize", "buffer", "usize"],
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result: "void",
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},
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"return_buffer": { parameters: [], result: "buffer" },
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"is_null_ptr": { parameters: ["pointer"], result: "bool" },
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"is_null_buf": { name: "is_null_ptr", parameters: ["buffer"], result: "bool" },
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"add_u32": { parameters: ["u32", "u32"], result: "u32" },
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"add_i32": { parameters: ["i32", "i32"], result: "i32" },
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"add_u64": { parameters: ["u64", "u64"], result: "u64" },
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"add_i64": { parameters: ["i64", "i64"], result: "i64" },
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"add_usize": { parameters: ["usize", "usize"], result: "usize" },
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"add_usize_fast": { parameters: ["usize", "usize"], result: "u32" },
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"add_isize": { parameters: ["isize", "isize"], result: "isize" },
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"add_f32": { parameters: ["f32", "f32"], result: "f32" },
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"add_f64": { parameters: ["f64", "f64"], result: "f64" },
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"and": { parameters: ["bool", "bool"], result: "bool" },
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"add_u32_nonblocking": {
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name: "add_u32",
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parameters: ["u32", "u32"],
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result: "u32",
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nonblocking: true,
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},
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"add_i32_nonblocking": {
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name: "add_i32",
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parameters: ["i32", "i32"],
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result: "i32",
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nonblocking: true,
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},
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"add_u64_nonblocking": {
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name: "add_u64",
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parameters: ["u64", "u64"],
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result: "u64",
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nonblocking: true,
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},
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"add_i64_nonblocking": {
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name: "add_i64",
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parameters: ["i64", "i64"],
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result: "i64",
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nonblocking: true,
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},
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"add_usize_nonblocking": {
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name: "add_usize",
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parameters: ["usize", "usize"],
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result: "usize",
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nonblocking: true,
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},
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"add_isize_nonblocking": {
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name: "add_isize",
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parameters: ["isize", "isize"],
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result: "isize",
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nonblocking: true,
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},
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"add_f32_nonblocking": {
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name: "add_f32",
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parameters: ["f32", "f32"],
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result: "f32",
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nonblocking: true,
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},
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"add_f64_nonblocking": {
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name: "add_f64",
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parameters: ["f64", "f64"],
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result: "f64",
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nonblocking: true,
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},
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"fill_buffer": { parameters: ["u8", "buffer", "usize"], result: "void" },
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"sleep_nonblocking": {
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name: "sleep_blocking",
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parameters: ["u64"],
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result: "void",
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nonblocking: true,
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},
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"sleep_blocking": { parameters: ["u64"], result: "void" },
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"nonblocking_buffer": {
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parameters: ["buffer", "usize"],
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result: "void",
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nonblocking: true,
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},
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"get_add_u32_ptr": {
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parameters: [],
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result: "pointer",
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},
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"get_sleep_blocking_ptr": {
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parameters: [],
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result: "pointer",
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},
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// Callback function
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call_fn_ptr: {
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parameters: ["function"],
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result: "void",
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},
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call_fn_ptr_thread_safe: {
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name: "call_fn_ptr",
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parameters: ["function"],
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result: "void",
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nonblocking: true,
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},
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call_fn_ptr_many_parameters: {
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parameters: ["function"],
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result: "void",
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},
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call_fn_ptr_return_u8: {
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parameters: ["function"],
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result: "void",
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},
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call_fn_ptr_return_u8_thread_safe: {
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name: "call_fn_ptr_return_u8",
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parameters: ["function"],
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result: "void",
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},
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call_fn_ptr_return_buffer: {
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parameters: ["function"],
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result: "void",
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},
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store_function: {
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parameters: ["function"],
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result: "void",
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},
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store_function_2: {
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parameters: ["function"],
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result: "void",
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},
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call_stored_function: {
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parameters: [],
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result: "void",
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callback: true,
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},
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call_stored_function_2: {
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parameters: ["u8"],
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result: "void",
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callback: true,
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},
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log_many_parameters: {
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parameters: ["u8", "u16", "u32", "u64", "f64", "f32", "i64", "i32", "i16", "i8", "isize", "usize", "f64", "f32", "f64", "f32", "f64", "f32", "f64"],
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result: "void",
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},
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cast_u8_u32: {
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parameters: ["u8"],
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result: "u32",
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},
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cast_u32_u8: {
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parameters: ["u32"],
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result: "u8",
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},
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add_many_u16: {
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parameters: ["u16", "u16", "u16", "u16", "u16", "u16", "u16", "u16", "u16", "u16", "u16", "u16", "u16"],
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result: "u16",
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},
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// Statics
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"static_u32": {
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type: "u32",
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},
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"static_i64": {
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type: "i64",
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},
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"static_ptr": {
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type: "pointer",
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},
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/**
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* Invalid UTF-8 characters, buffer of length 14
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*/
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"static_char": {
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type: "pointer",
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},
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"hash": { parameters: ["buffer", "u32"], result: "u32" },
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make_rect: {
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parameters: ["f64", "f64", "f64", "f64"],
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result: { struct: Rect },
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},
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make_rect_async: {
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name: "make_rect",
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nonblocking: true,
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parameters: ["f64", "f64", "f64", "f64"],
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result: { struct: RectNested },
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},
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print_rect: {
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parameters: [{ struct: Rect }],
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result: "void",
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},
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print_rect_async: {
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name: "print_rect",
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nonblocking: true,
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parameters: [{ struct: Rect }],
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result: "void",
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},
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create_mixed: {
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parameters: ["u8", "f32", { struct: Rect }, "pointer", "buffer"],
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result: { struct: Mixed }
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},
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print_mixed: {
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parameters: [{ struct: Mixed }],
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result: "void",
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},
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});
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const { symbols } = dylib;
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symbols.printSomething();
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const buffer = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
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const buffer2 = new Uint8Array([9, 10]);
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dylib.symbols.print_buffer(buffer, buffer.length);
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// Test subarrays
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const subarray = buffer.subarray(3);
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dylib.symbols.print_buffer(subarray, subarray.length - 2);
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dylib.symbols.print_buffer2(buffer, buffer.length, buffer2, buffer2.length);
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const { return_buffer } = symbols;
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function returnBuffer() { return return_buffer(); };
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%PrepareFunctionForOptimization(returnBuffer);
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returnBuffer();
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%OptimizeFunctionOnNextCall(returnBuffer);
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const ptr0 = returnBuffer();
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assertIsOptimized(returnBuffer);
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dylib.symbols.print_pointer(ptr0, 8);
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const ptrView = new Deno.UnsafePointerView(ptr0);
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const into = new Uint8Array(6);
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const into2 = new Uint8Array(3);
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const into2ptr = Deno.UnsafePointer.of(into2);
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const into2ptrView = new Deno.UnsafePointerView(into2ptr);
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const into3 = new Uint8Array(3);
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ptrView.copyInto(into);
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console.log([...into]);
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ptrView.copyInto(into2, 3);
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console.log([...into2]);
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into2ptrView.copyInto(into3);
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console.log([...into3]);
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const string = new Uint8Array([
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...new TextEncoder().encode("Hello from pointer!"),
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0,
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]);
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const stringPtr = Deno.UnsafePointer.of(string);
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const stringPtrview = new Deno.UnsafePointerView(stringPtr);
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console.log(stringPtrview.getCString());
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console.log(stringPtrview.getCString(11));
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console.log(dylib.symbols.is_null_ptr(ptr0));
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console.log(dylib.symbols.is_null_ptr(null));
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console.log(dylib.symbols.is_null_ptr(Deno.UnsafePointer.of(into)));
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const emptyBuffer = new Uint8Array(0);
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console.log(dylib.symbols.is_null_ptr(Deno.UnsafePointer.of(emptyBuffer)));
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const emptySlice = into.subarray(6);
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console.log(dylib.symbols.is_null_ptr(Deno.UnsafePointer.of(emptySlice)));
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const { is_null_buf } = symbols;
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function isNullBuffer(buffer) { return is_null_buf(buffer); };
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function isNullBufferDeopt(buffer) { return is_null_buf(buffer); };
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%PrepareFunctionForOptimization(isNullBuffer);
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isNullBuffer(emptyBuffer);
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%NeverOptimizeFunction(isNullBufferDeopt);
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%OptimizeFunctionOnNextCall(isNullBuffer);
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isNullBuffer(emptyBuffer);
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assertIsOptimized(isNullBuffer);
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// ==== ZERO LENGTH BUFFER TESTS ====
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assertEquals(isNullBuffer(emptyBuffer), true, "isNullBuffer(emptyBuffer) !== true");
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assertEquals(isNullBufferDeopt(emptyBuffer), true, "isNullBufferDeopt(emptyBuffer) !== true");
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assertEquals(isNullBuffer(emptySlice), false, "isNullBuffer(emptySlice) !== false");
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assertEquals(isNullBufferDeopt(emptySlice), false, "isNullBufferDeopt(emptySlice) !== false");
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assertEquals(isNullBufferDeopt(new Uint8Array()), true, "isNullBufferDeopt(new Uint8Array()) !== true");
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// ==== V8 ZERO LENGTH BUFFER ANOMALIES ====
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// V8 bug: inline Uint8Array creation to fast call sees non-null pointer
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// https://bugs.chromium.org/p/v8/issues/detail?id=13489
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assertEquals(isNullBuffer(new Uint8Array()), false, "isNullBuffer(new Uint8Array()) !== false");
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// Externally backed ArrayBuffer has a non-null data pointer, even though its length is zero.
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const externalZeroBuffer = new Uint8Array(Deno.UnsafePointerView.getArrayBuffer(ptr0, 0));
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// However: V8 Fast calls get null pointers for zero-sized buffers.
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assertEquals(isNullBuffer(externalZeroBuffer), true, "isNullBuffer(externalZeroBuffer) !== true");
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// Also: V8's `Local<ArrayBuffer>->Data()` method returns null pointers for zero-sized buffers.
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// Using `Local<ArrayBuffer>->GetBackingStore()->Data()` would give the original pointer.
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assertEquals(isNullBufferDeopt(externalZeroBuffer), true, "isNullBufferDeopt(externalZeroBuffer) !== true");
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// The same pointer with a non-zero byte length for the buffer will return non-null pointers in
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// both Fast call and V8 API calls.
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const externalOneBuffer = new Uint8Array(Deno.UnsafePointerView.getArrayBuffer(ptr0, 1));
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assertEquals(isNullBuffer(externalOneBuffer), false, "isNullBuffer(externalOneBuffer) !== false");
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assertEquals(isNullBufferDeopt(externalOneBuffer), false, "isNullBufferDeopt(externalOneBuffer) !== false");
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// Due to ops macro using `Local<ArrayBuffer>->Data()` to get the pointer for the slice that is then used to get
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// the pointer of an ArrayBuffer / TypedArray, the same effect can be seen where a zero byte length buffer returns
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// a null pointer as its pointer value.
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assertEquals(Deno.UnsafePointer.of(externalZeroBuffer), null, "Deno.UnsafePointer.of(externalZeroBuffer) !== null");
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assertNotEquals(Deno.UnsafePointer.of(externalOneBuffer), null, "Deno.UnsafePointer.of(externalOneBuffer) === null");
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const addU32Ptr = dylib.symbols.get_add_u32_ptr();
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const addU32 = new Deno.UnsafeFnPointer(addU32Ptr, {
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parameters: ["u32", "u32"],
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result: "u32",
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});
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console.log(addU32.call(123, 456));
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const sleepBlockingPtr = dylib.symbols.get_sleep_blocking_ptr();
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const sleepNonBlocking = new Deno.UnsafeFnPointer(sleepBlockingPtr, {
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nonblocking: true,
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parameters: ["u64"],
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result: "void",
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});
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const before = performance.now();
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await sleepNonBlocking.call(100);
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console.log(performance.now() - before >= 100);
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const { add_u32, add_usize_fast } = symbols;
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function addU32Fast(a, b) {
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return add_u32(a, b);
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};
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testOptimized(addU32Fast, () => addU32Fast(123, 456));
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function addU64Fast(a, b) { return add_usize_fast(a, b); };
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testOptimized(addU64Fast, () => addU64Fast(2, 3));
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console.log(dylib.symbols.add_i32(123, 456));
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console.log(dylib.symbols.add_u64(0xffffffffn, 0xffffffffn));
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console.log(dylib.symbols.add_i64(-0xffffffffn, -0xffffffffn));
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console.log(dylib.symbols.add_usize(0xffffffffn, 0xffffffffn));
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console.log(dylib.symbols.add_isize(-0xffffffffn, -0xffffffffn));
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console.log(dylib.symbols.add_u64(Number.MAX_SAFE_INTEGER, 1));
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console.log(dylib.symbols.add_i64(Number.MAX_SAFE_INTEGER, 1));
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console.log(dylib.symbols.add_i64(Number.MIN_SAFE_INTEGER, -1));
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console.log(dylib.symbols.add_usize(Number.MAX_SAFE_INTEGER, 1));
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console.log(dylib.symbols.add_isize(Number.MAX_SAFE_INTEGER, 1));
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console.log(dylib.symbols.add_isize(Number.MIN_SAFE_INTEGER, -1));
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console.log(dylib.symbols.add_f32(123.123, 456.789));
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console.log(dylib.symbols.add_f64(123.123, 456.789));
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console.log(dylib.symbols.and(true, true));
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console.log(dylib.symbols.and(true, false));
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function addF32Fast(a, b) {
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return dylib.symbols.add_f32(a, b);
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};
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testOptimized(addF32Fast, () => addF32Fast(123.123, 456.789));
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function addF64Fast(a, b) {
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return dylib.symbols.add_f64(a, b);
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};
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testOptimized(addF64Fast, () => addF64Fast(123.123, 456.789));
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// Test adders as nonblocking calls
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console.log(await dylib.symbols.add_i32_nonblocking(123, 456));
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console.log(await dylib.symbols.add_u64_nonblocking(0xffffffffn, 0xffffffffn));
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console.log(
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await dylib.symbols.add_i64_nonblocking(-0xffffffffn, -0xffffffffn),
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);
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console.log(
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await dylib.symbols.add_usize_nonblocking(0xffffffffn, 0xffffffffn),
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);
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console.log(
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await dylib.symbols.add_isize_nonblocking(-0xffffffffn, -0xffffffffn),
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);
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console.log(await dylib.symbols.add_u64_nonblocking(Number.MAX_SAFE_INTEGER, 1));
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console.log(await dylib.symbols.add_i64_nonblocking(Number.MAX_SAFE_INTEGER, 1));
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console.log(await dylib.symbols.add_i64_nonblocking(Number.MIN_SAFE_INTEGER, -1));
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console.log(await dylib.symbols.add_usize_nonblocking(Number.MAX_SAFE_INTEGER, 1));
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console.log(await dylib.symbols.add_isize_nonblocking(Number.MAX_SAFE_INTEGER, 1));
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console.log(await dylib.symbols.add_isize_nonblocking(Number.MIN_SAFE_INTEGER, -1));
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console.log(await dylib.symbols.add_f32_nonblocking(123.123, 456.789));
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console.log(await dylib.symbols.add_f64_nonblocking(123.123, 456.789));
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// test mutating sync calls
|
|
|
|
function test_fill_buffer(fillValue, arr) {
|
|
let buf = new Uint8Array(arr);
|
|
dylib.symbols.fill_buffer(fillValue, buf, buf.length);
|
|
for (let i = 0; i < buf.length; i++) {
|
|
if (buf[i] !== fillValue) {
|
|
throw new Error(`Found '${buf[i]}' in buffer, expected '${fillValue}'.`);
|
|
}
|
|
}
|
|
}
|
|
|
|
test_fill_buffer(0, [2, 3, 4]);
|
|
test_fill_buffer(5, [2, 7, 3, 2, 1]);
|
|
|
|
// Test non blocking calls
|
|
|
|
function deferred() {
|
|
let methods;
|
|
const promise = new Promise((resolve, reject) => {
|
|
methods = {
|
|
async resolve(value) {
|
|
await value;
|
|
resolve(value);
|
|
},
|
|
reject(reason) {
|
|
reject(reason);
|
|
},
|
|
};
|
|
});
|
|
return Object.assign(promise, methods);
|
|
}
|
|
|
|
const promise = deferred();
|
|
const buffer3 = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
|
|
dylib.symbols.nonblocking_buffer(buffer3, buffer3.length).then(() => {
|
|
promise.resolve();
|
|
});
|
|
await promise;
|
|
|
|
let start = performance.now();
|
|
dylib.symbols.sleep_blocking(100);
|
|
assert(performance.now() - start >= 100);
|
|
|
|
start = performance.now();
|
|
const promise_2 = dylib.symbols.sleep_nonblocking(100).then(() => {
|
|
console.log("After");
|
|
assert(performance.now() - start >= 100);
|
|
});
|
|
console.log("Before");
|
|
assert(performance.now() - start < 100);
|
|
|
|
// Await to make sure `sleep_nonblocking` calls and logs before we proceed
|
|
await promise_2;
|
|
|
|
// Test calls with callback parameters
|
|
const logCallback = new Deno.UnsafeCallback(
|
|
{ parameters: [], result: "void" },
|
|
() => console.log("logCallback"),
|
|
);
|
|
const logManyParametersCallback = new Deno.UnsafeCallback({
|
|
parameters: [
|
|
"u8",
|
|
"i8",
|
|
"u16",
|
|
"i16",
|
|
"u32",
|
|
"i32",
|
|
"u64",
|
|
"i64",
|
|
"f32",
|
|
"f64",
|
|
"pointer",
|
|
],
|
|
result: "void",
|
|
}, (u8, i8, u16, i16, u32, i32, u64, i64, f32, f64, pointer) => {
|
|
const view = new Deno.UnsafePointerView(pointer);
|
|
const copy_buffer = new Uint8Array(8);
|
|
view.copyInto(copy_buffer);
|
|
console.log(u8, i8, u16, i16, u32, i32, u64, i64, f32, f64, ...copy_buffer);
|
|
});
|
|
const returnU8Callback = new Deno.UnsafeCallback(
|
|
{ parameters: [], result: "u8" },
|
|
() => 8,
|
|
);
|
|
const returnBufferCallback = new Deno.UnsafeCallback({
|
|
parameters: [],
|
|
result: "buffer",
|
|
}, () => {
|
|
return buffer;
|
|
});
|
|
const add10Callback = new Deno.UnsafeCallback({
|
|
parameters: ["u8"],
|
|
result: "u8",
|
|
}, (value) => value + 10);
|
|
const throwCallback = new Deno.UnsafeCallback({
|
|
parameters: [],
|
|
result: "void",
|
|
}, () => {
|
|
throw new TypeError("hi");
|
|
});
|
|
|
|
assertThrows(
|
|
() => {
|
|
dylib.symbols.call_fn_ptr(throwCallback.pointer);
|
|
},
|
|
TypeError,
|
|
"hi",
|
|
);
|
|
|
|
const { call_stored_function } = dylib.symbols;
|
|
|
|
dylib.symbols.call_fn_ptr(logCallback.pointer);
|
|
dylib.symbols.call_fn_ptr_many_parameters(logManyParametersCallback.pointer);
|
|
dylib.symbols.call_fn_ptr_return_u8(returnU8Callback.pointer);
|
|
dylib.symbols.call_fn_ptr_return_buffer(returnBufferCallback.pointer);
|
|
dylib.symbols.store_function(logCallback.pointer);
|
|
call_stored_function();
|
|
dylib.symbols.store_function_2(add10Callback.pointer);
|
|
dylib.symbols.call_stored_function_2(20);
|
|
|
|
function logManyParametersFast(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s) {
|
|
return symbols.log_many_parameters(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s);
|
|
};
|
|
testOptimized(
|
|
logManyParametersFast,
|
|
() => logManyParametersFast(
|
|
255, 65535, 4294967295, 4294967296, 123.456, 789.876, -1, -2, -3, -4, -1000, 1000,
|
|
12345.678910, 12345.678910, 12345.678910, 12345.678910, 12345.678910, 12345.678910, 12345.678910
|
|
)
|
|
);
|
|
|
|
// Some ABIs rely on the convention to zero/sign-extend arguments by the caller to optimize the callee function.
|
|
// If the trampoline did not zero/sign-extend arguments, this would return 256 instead of the expected 0 (in optimized builds)
|
|
function castU8U32Fast(x) { return symbols.cast_u8_u32(x); };
|
|
testOptimized(castU8U32Fast, () => castU8U32Fast(256));
|
|
|
|
// Some ABIs rely on the convention to expect garbage in the bits beyond the size of the return value to optimize the callee function.
|
|
// If the trampoline did not zero/sign-extend the return value, this would return 256 instead of the expected 0 (in optimized builds)
|
|
function castU32U8Fast(x) { return symbols.cast_u32_u8(x); };
|
|
testOptimized(castU32U8Fast, () => castU32U8Fast(256));
|
|
|
|
// Generally the trampoline tail-calls into the FFI function, but in certain cases (e.g. when returning 8 or 16 bit integers)
|
|
// the tail call is not possible and a new stack frame must be created. We need enough parameters to have some on the stack
|
|
function addManyU16Fast(a, b, c, d, e, f, g, h, i, j, k, l, m) {
|
|
return symbols.add_many_u16(a, b, c, d, e, f, g, h, i, j, k, l, m);
|
|
};
|
|
// N.B. V8 does not currently follow Aarch64 Apple's calling convention.
|
|
// The current implementation of the JIT trampoline follows the V8 incorrect calling convention. This test covers the use-case
|
|
// and is expected to fail once Deno uses a V8 version with the bug fixed.
|
|
// The V8 bug is being tracked in https://bugs.chromium.org/p/v8/issues/detail?id=13171
|
|
testOptimized(addManyU16Fast, () => addManyU16Fast(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12));
|
|
|
|
|
|
const nestedCallback = new Deno.UnsafeCallback(
|
|
{ parameters: [], result: "void" },
|
|
() => {
|
|
dylib.symbols.call_stored_function_2(10);
|
|
},
|
|
);
|
|
dylib.symbols.store_function(nestedCallback.pointer);
|
|
|
|
dylib.symbols.store_function(null);
|
|
dylib.symbols.store_function_2(null);
|
|
|
|
let counter = 0;
|
|
const addToFooCallback = new Deno.UnsafeCallback({
|
|
parameters: [],
|
|
result: "void",
|
|
}, () => counter++);
|
|
|
|
// Test thread safe callbacks
|
|
assertEquals(counter, 0);
|
|
addToFooCallback.ref();
|
|
await dylib.symbols.call_fn_ptr_thread_safe(addToFooCallback.pointer);
|
|
addToFooCallback.unref();
|
|
logCallback.ref();
|
|
await dylib.symbols.call_fn_ptr_thread_safe(logCallback.pointer);
|
|
logCallback.unref();
|
|
assertEquals(counter, 1);
|
|
returnU8Callback.ref();
|
|
await dylib.symbols.call_fn_ptr_return_u8_thread_safe(returnU8Callback.pointer);
|
|
// Purposefully do not unref returnU8Callback: Instead use it to test close() unrefing.
|
|
|
|
// Test statics
|
|
assertEquals(dylib.symbols.static_u32, 42);
|
|
assertEquals(dylib.symbols.static_i64, -1242464576485);
|
|
assert(
|
|
typeof dylib.symbols.static_ptr === "object"
|
|
);
|
|
assertEquals(
|
|
Object.keys(dylib.symbols.static_ptr).length, 0
|
|
);
|
|
const view = new Deno.UnsafePointerView(dylib.symbols.static_ptr);
|
|
assertEquals(view.getUint32(), 42);
|
|
|
|
// Test struct returning
|
|
const rect_sync = dylib.symbols.make_rect(10, 20, 100, 200);
|
|
assertInstanceOf(rect_sync, Uint8Array);
|
|
assertEquals(rect_sync.length, 4 * 8);
|
|
assertEquals(Array.from(new Float64Array(rect_sync.buffer)), [10, 20, 100, 200]);
|
|
// Test struct passing
|
|
dylib.symbols.print_rect(rect_sync);
|
|
// Test struct passing asynchronously
|
|
await dylib.symbols.print_rect_async(rect_sync);
|
|
dylib.symbols.print_rect(new Float64Array([20, 20, 100, 200]));
|
|
// Test struct returning asynchronously
|
|
const rect_async = await dylib.symbols.make_rect_async(10, 20, 100, 200);
|
|
assertInstanceOf(rect_async, Uint8Array);
|
|
assertEquals(rect_async.length, 4 * 8);
|
|
assertEquals(Array.from(new Float64Array(rect_async.buffer)), [10, 20, 100, 200]);
|
|
|
|
// Test complex, mixed struct returning and passing
|
|
const mixedStruct = dylib.symbols.create_mixed(3, 12.515000343322754, rect_async, Deno.UnsafePointer.create(12456789), new Uint32Array([8, 32]));
|
|
assertEquals(mixedStruct.length, 56);
|
|
assertEquals(Array.from(mixedStruct.subarray(0, 4)), [3, 0, 0, 0]);
|
|
assertEquals(new Float32Array(mixedStruct.buffer, 4, 1)[0], 12.515000343322754);
|
|
assertEquals(new Float64Array(mixedStruct.buffer, 8, 4), new Float64Array(rect_async.buffer));
|
|
assertEquals(new BigUint64Array(mixedStruct.buffer, 40, 1)[0], 12456789n);
|
|
assertEquals(new Uint32Array(mixedStruct.buffer, 48, 2), new Uint32Array([8, 32]));
|
|
dylib.symbols.print_mixed(mixedStruct);
|
|
|
|
const cb = new Deno.UnsafeCallback({
|
|
parameters: [{ struct: Rect }],
|
|
result: { struct: Rect },
|
|
}, (innerRect) => {
|
|
innerRect = new Float64Array(innerRect.buffer);
|
|
return new Float64Array([innerRect[0] + 10, innerRect[1] + 10, innerRect[2] + 10, innerRect[3] + 10]);
|
|
});
|
|
|
|
const cbFfi = new Deno.UnsafeFnPointer(cb.pointer, cb.definition);
|
|
const cbResult = new Float64Array(cbFfi.call(rect_async).buffer);
|
|
assertEquals(Array.from(cbResult), [20, 30, 110, 210]);
|
|
|
|
cb.close();
|
|
|
|
const arrayBuffer = view.getArrayBuffer(4);
|
|
const uint32Array = new Uint32Array(arrayBuffer);
|
|
assertEquals(arrayBuffer.byteLength, 4);
|
|
assertEquals(uint32Array.length, 1);
|
|
assertEquals(uint32Array[0], 42);
|
|
uint32Array[0] = 55; // MUTATES!
|
|
assertEquals(uint32Array[0], 55);
|
|
assertEquals(view.getUint32(), 55);
|
|
|
|
|
|
{
|
|
// Test UnsafePointer APIs
|
|
assertEquals(Deno.UnsafePointer.create(0), null);
|
|
const createdPointer = Deno.UnsafePointer.create(1);
|
|
assertNotEquals(createdPointer, null);
|
|
assertEquals(typeof createdPointer, "object");
|
|
assertEquals(Deno.UnsafePointer.value(null), 0);
|
|
assertEquals(Deno.UnsafePointer.value(createdPointer), 1);
|
|
assert(Deno.UnsafePointer.equals(null, null));
|
|
assertFalse(Deno.UnsafePointer.equals(null, createdPointer));
|
|
assertFalse(Deno.UnsafePointer.equals(Deno.UnsafePointer.create(2), createdPointer));
|
|
// Do not allow offsetting from null, `create` function should be used instead.
|
|
assertThrows(() => Deno.UnsafePointer.offset(null, 5));
|
|
const offsetPointer = Deno.UnsafePointer.offset(createdPointer, 5);
|
|
assertEquals(Deno.UnsafePointer.value(offsetPointer), 6);
|
|
assertEquals(Deno.UnsafePointer.offset(offsetPointer, -6), null);
|
|
}
|
|
|
|
// Test non-UTF-8 characters
|
|
|
|
const charView = new Deno.UnsafePointerView(dylib.symbols.static_char);
|
|
|
|
const charArrayBuffer = charView.getArrayBuffer(14);
|
|
const uint8Array = new Uint8Array(charArrayBuffer);
|
|
assertEquals([...uint8Array], [
|
|
0xC0, 0xC1, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF,
|
|
0x00
|
|
]);
|
|
|
|
// Check that `getCString` works equally to `TextDecoder`
|
|
assertEquals(charView.getCString(), new TextDecoder().decode(uint8Array.subarray(0, uint8Array.length - 1)));
|
|
|
|
// Check a selection of various invalid UTF-8 sequences in C strings and verify
|
|
// that the `getCString` API does not cause unexpected behaviour.
|
|
for (const charBuffer of [
|
|
Uint8Array.from([0xA0, 0xA1, 0x00]),
|
|
Uint8Array.from([0xE2, 0x28, 0xA1, 0x00]),
|
|
Uint8Array.from([0xE2, 0x82, 0x28, 0x00]),
|
|
Uint8Array.from([0xF0, 0x28, 0x8C, 0xBC, 0x00]),
|
|
Uint8Array.from([0xF0, 0x90, 0x28, 0xBC, 0x00]),
|
|
Uint8Array.from([0xF0, 0x28, 0x8C, 0x28, 0x00]),
|
|
Uint8Array.from([0xF8, 0xA1, 0xA1, 0xA1, 0xA1, 0x00]),
|
|
Uint8Array.from([0xFC, 0xA1, 0xA1, 0xA1, 0xA1, 0xA1, 0x00]),
|
|
]) {
|
|
const charBufferPointer = Deno.UnsafePointer.of(charBuffer);
|
|
const charString = Deno.UnsafePointerView.getCString(charBufferPointer);
|
|
const charBufferPointerArrayBuffer = new Uint8Array(Deno.UnsafePointerView.getArrayBuffer(charBufferPointer, charBuffer.length - 1));
|
|
assertEquals(charString, new TextDecoder().decode(charBufferPointerArrayBuffer));
|
|
assertEquals([...charBuffer.subarray(0, charBuffer.length - 1)], [...charBufferPointerArrayBuffer]);
|
|
}
|
|
|
|
|
|
const bytes = new Uint8Array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);
|
|
function hash() { return dylib.symbols.hash(bytes, bytes.byteLength); };
|
|
|
|
testOptimized(hash, () => hash());
|
|
|
|
(function cleanup() {
|
|
dylib.close();
|
|
throwCallback.close();
|
|
logCallback.close();
|
|
logManyParametersCallback.close();
|
|
returnU8Callback.close();
|
|
returnBufferCallback.close();
|
|
add10Callback.close();
|
|
nestedCallback.close();
|
|
addToFooCallback.close();
|
|
|
|
const resourcesPost = Deno.resources();
|
|
|
|
const preStr = JSON.stringify(resourcesPre, null, 2);
|
|
const postStr = JSON.stringify(resourcesPost, null, 2);
|
|
if (preStr !== postStr) {
|
|
throw new Error(
|
|
`Difference in open resources before dlopen and after closing:
|
|
Before: ${preStr}
|
|
After: ${postStr}`,
|
|
);
|
|
}
|
|
|
|
console.log("Correct number of resources");
|
|
})();
|
|
|
|
function assertIsOptimized(fn) {
|
|
const status = %GetOptimizationStatus(fn);
|
|
assert(status & (1 << 4), `expected ${fn.name} to be optimized, but wasn't`);
|
|
}
|
|
|
|
function testOptimized(fn, callback) {
|
|
%PrepareFunctionForOptimization(fn);
|
|
const r1 = callback();
|
|
if (r1 !== undefined) {
|
|
console.log(r1);
|
|
}
|
|
%OptimizeFunctionOnNextCall(fn);
|
|
const r2 = callback();
|
|
if (r2 !== undefined) {
|
|
console.log(r2);
|
|
}
|
|
assertIsOptimized(fn);
|
|
}
|