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https://github.com/denoland/deno.git
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BREAKING(std/wasi): make implementation details private (#8996)
This makes the implementation details of the Context class private, making the public interface much more bare-bones and aligns it closer to what Node exposes.
This commit is contained in:
Casper Beyer
GitHub
parent
e192eda913
commit
ee9c0c8373
1 changed files with 125 additions and 102 deletions
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@ -332,23 +332,22 @@ export interface ContextOptions {
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* structure configured explicitly.
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*/
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export default class Context {
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args: string[];
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env: { [key: string]: string | undefined };
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exitOnReturn: boolean;
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memory: WebAssembly.Memory;
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fds: FileDescriptor[];
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exports: Record<string, WebAssembly.ImportValue>;
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#args: string[];
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#env: { [key: string]: string | undefined };
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#exitOnReturn: boolean;
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#memory: WebAssembly.Memory;
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#fds: FileDescriptor[];
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#started: boolean;
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constructor(options: ContextOptions) {
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this.args = options.args ?? [];
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this.env = options.env ?? {};
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this.exitOnReturn = options.exitOnReturn ?? true;
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this.memory = null!;
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exports: Record<string, WebAssembly.ImportValue>;
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this.fds = [
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constructor(options: ContextOptions) {
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this.#args = options.args ?? [];
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this.#env = options.env ?? {};
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this.#exitOnReturn = options.exitOnReturn ?? true;
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this.#memory = null!;
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this.#fds = [
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{
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rid: options.stdin ?? Deno.stdin.rid,
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type: FILETYPE_CHARACTER_DEVICE,
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@ -378,7 +377,7 @@ export default class Context {
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vpath,
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};
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this.fds.push(entry);
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this.#fds.push(entry);
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}
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}
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@ -387,10 +386,10 @@ export default class Context {
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argvOffset: number,
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argvBufferOffset: number,
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): number => {
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const args = this.args;
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const args = this.#args;
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const textEncoder = new TextEncoder();
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const memoryData = new Uint8Array(this.memory.buffer);
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const memoryView = new DataView(this.memory.buffer);
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const memoryData = new Uint8Array(this.#memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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for (const arg of args) {
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memoryView.setUint32(argvOffset, argvBufferOffset, true);
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@ -408,9 +407,9 @@ export default class Context {
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argcOffset: number,
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argvBufferSizeOffset: number,
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): number => {
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const args = this.args;
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const args = this.#args;
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const textEncoder = new TextEncoder();
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const memoryView = new DataView(this.memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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memoryView.setUint32(argcOffset, args.length, true);
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memoryView.setUint32(
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@ -428,10 +427,10 @@ export default class Context {
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environOffset: number,
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environBufferOffset: number,
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): number => {
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const entries = Object.entries(this.env);
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const entries = Object.entries(this.#env);
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const textEncoder = new TextEncoder();
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const memoryData = new Uint8Array(this.memory.buffer);
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const memoryView = new DataView(this.memory.buffer);
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const memoryData = new Uint8Array(this.#memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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for (const [key, value] of entries) {
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memoryView.setUint32(environOffset, environBufferOffset, true);
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@ -449,9 +448,9 @@ export default class Context {
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environcOffset: number,
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environBufferSizeOffset: number,
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): number => {
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const entries = Object.entries(this.env);
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const entries = Object.entries(this.#env);
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const textEncoder = new TextEncoder();
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const memoryView = new DataView(this.memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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memoryView.setUint32(environcOffset, entries.length, true);
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memoryView.setUint32(
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@ -469,7 +468,7 @@ export default class Context {
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id: number,
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resolutionOffset: number,
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): number => {
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const memoryView = new DataView(this.memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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switch (id) {
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case CLOCKID_REALTIME: {
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@ -503,7 +502,7 @@ export default class Context {
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precision: bigint,
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timeOffset: number,
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): number => {
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const memoryView = new DataView(this.memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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switch (id) {
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case CLOCKID_REALTIME: {
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@ -552,7 +551,7 @@ export default class Context {
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"fd_close": syscall((
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fd: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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@ -561,7 +560,7 @@ export default class Context {
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Deno.close(entry.rid);
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}
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delete this.fds[fd];
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delete this.#fds[fd];
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return ERRNO_SUCCESS;
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}),
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@ -569,7 +568,7 @@ export default class Context {
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"fd_datasync": syscall((
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fd: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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@ -583,12 +582,12 @@ export default class Context {
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fd: number,
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offset: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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const memoryView = new DataView(this.memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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memoryView.setUint8(offset, entry.type!);
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memoryView.setUint16(offset + 2, entry.flags!, true);
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memoryView.setBigUint64(offset + 8, 0n, true); // TODO
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@ -616,12 +615,12 @@ export default class Context {
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fd: number,
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offset: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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const memoryView = new DataView(this.memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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const info = Deno.fstatSync(entry.rid!);
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@ -688,7 +687,7 @@ export default class Context {
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fd: number,
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size: bigint,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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@ -704,7 +703,7 @@ export default class Context {
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mtim: bigint,
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flags: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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@ -733,13 +732,13 @@ export default class Context {
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offset: bigint,
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nreadOffset: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (entry == null) {
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return ERRNO_BADF;
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}
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const seek = Deno.seekSync(entry.rid!, 0, Deno.SeekMode.Current);
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const memoryView = new DataView(this.memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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let nread = 0;
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for (let i = 0; i < iovsLength; i++) {
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@ -750,7 +749,7 @@ export default class Context {
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iovsOffset += 4;
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const data = new Uint8Array(
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this.memory.buffer,
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this.#memory.buffer,
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dataOffset,
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dataLength,
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);
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@ -767,7 +766,7 @@ export default class Context {
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fd: number,
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prestatOffset: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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@ -776,7 +775,7 @@ export default class Context {
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return ERRNO_BADF;
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}
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const memoryView = new DataView(this.memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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memoryView.setUint8(prestatOffset, PREOPENTYPE_DIR);
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memoryView.setUint32(
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prestatOffset + 4,
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@ -792,7 +791,7 @@ export default class Context {
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pathOffset: number,
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pathLength: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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@ -801,7 +800,11 @@ export default class Context {
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return ERRNO_BADF;
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}
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const data = new Uint8Array(this.memory.buffer, pathOffset, pathLength);
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const data = new Uint8Array(
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this.#memory.buffer,
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pathOffset,
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pathLength,
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);
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data.set(new TextEncoder().encode(entry.vpath));
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return ERRNO_SUCCESS;
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@ -814,13 +817,13 @@ export default class Context {
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offset: bigint,
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nwrittenOffset: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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const seek = Deno.seekSync(entry.rid!, 0, Deno.SeekMode.Current);
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const memoryView = new DataView(this.memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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let nwritten = 0;
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for (let i = 0; i < iovsLength; i++) {
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@ -831,7 +834,7 @@ export default class Context {
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iovsOffset += 4;
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const data = new Uint8Array(
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this.memory.buffer,
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this.#memory.buffer,
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dataOffset,
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dataLength,
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);
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@ -850,12 +853,12 @@ export default class Context {
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iovsLength: number,
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nreadOffset: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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const memoryView = new DataView(this.memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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let nread = 0;
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for (let i = 0; i < iovsLength; i++) {
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@ -866,7 +869,7 @@ export default class Context {
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iovsOffset += 4;
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const data = new Uint8Array(
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this.memory.buffer,
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this.#memory.buffer,
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dataOffset,
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dataLength,
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);
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@ -885,13 +888,13 @@ export default class Context {
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cookie: bigint,
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bufferUsedOffset: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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const memoryData = new Uint8Array(this.memory.buffer);
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const memoryView = new DataView(this.memory.buffer);
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const memoryData = new Uint8Array(this.#memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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let bufferUsed = 0;
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@ -952,20 +955,20 @@ export default class Context {
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fd: number,
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to: number,
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): number => {
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if (!this.fds[fd]) {
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if (!this.#fds[fd]) {
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return ERRNO_BADF;
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}
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if (!this.fds[to]) {
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if (!this.#fds[to]) {
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return ERRNO_BADF;
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}
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if (this.fds[to].rid) {
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Deno.close(this.fds[to].rid!);
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if (this.#fds[to].rid) {
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Deno.close(this.#fds[to].rid!);
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}
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this.fds[to] = this.fds[fd];
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delete this.fds[fd];
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this.#fds[to] = this.#fds[fd];
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delete this.#fds[fd];
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return ERRNO_SUCCESS;
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}),
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@ -976,12 +979,12 @@ export default class Context {
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whence: number,
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newOffsetOffset: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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const memoryView = new DataView(this.memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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// FIXME Deno does not support seeking with big integers
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const newOffset = Deno.seekSync(entry.rid!, Number(offset), whence);
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@ -993,7 +996,7 @@ export default class Context {
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"fd_sync": syscall((
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fd: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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@ -1007,12 +1010,12 @@ export default class Context {
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fd: number,
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offsetOffset: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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const memoryView = new DataView(this.memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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const offset = Deno.seekSync(entry.rid!, 0, Deno.SeekMode.Current);
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memoryView.setBigUint64(offsetOffset, BigInt(offset), true);
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@ -1026,12 +1029,12 @@ export default class Context {
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iovsLength: number,
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nwrittenOffset: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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const memoryView = new DataView(this.memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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let nwritten = 0;
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for (let i = 0; i < iovsLength; i++) {
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@ -1042,7 +1045,7 @@ export default class Context {
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iovsOffset += 4;
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const data = new Uint8Array(
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this.memory.buffer,
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this.#memory.buffer,
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dataOffset,
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dataLength,
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);
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@ -1059,7 +1062,7 @@ export default class Context {
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pathOffset: number,
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pathLength: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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@ -1069,7 +1072,11 @@ export default class Context {
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}
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const textDecoder = new TextDecoder();
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const data = new Uint8Array(this.memory.buffer, pathOffset, pathLength);
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const data = new Uint8Array(
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this.#memory.buffer,
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pathOffset,
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pathLength,
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);
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const path = resolve(entry.path!, textDecoder.decode(data));
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Deno.mkdirSync(path);
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@ -1084,7 +1091,7 @@ export default class Context {
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pathLength: number,
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bufferOffset: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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@ -1094,10 +1101,14 @@ export default class Context {
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}
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const textDecoder = new TextDecoder();
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const data = new Uint8Array(this.memory.buffer, pathOffset, pathLength);
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const data = new Uint8Array(
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this.#memory.buffer,
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pathOffset,
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pathLength,
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);
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const path = resolve(entry.path!, textDecoder.decode(data));
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const memoryView = new DataView(this.memory.buffer);
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const memoryView = new DataView(this.#memory.buffer);
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const info = (flags & LOOKUPFLAGS_SYMLINK_FOLLOW) != 0
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? Deno.statSync(path)
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@ -1178,7 +1189,7 @@ export default class Context {
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mtim: bigint,
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fstflags: number,
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): number => {
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const entry = this.fds[fd];
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const entry = this.#fds[fd];
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if (!entry) {
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return ERRNO_BADF;
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}
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@ -1188,7 +1199,11 @@ export default class Context {
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}
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|
||||
const textDecoder = new TextDecoder();
|
||||
const data = new Uint8Array(this.memory.buffer, pathOffset, pathLength);
|
||||
const data = new Uint8Array(
|
||||
this.#memory.buffer,
|
||||
pathOffset,
|
||||
pathLength,
|
||||
);
|
||||
const path = resolve(entry.path!, textDecoder.decode(data));
|
||||
|
||||
if ((fstflags & FSTFLAGS_ATIM_NOW) == FSTFLAGS_ATIM_NOW) {
|
||||
|
|
@ -1213,8 +1228,8 @@ export default class Context {
|
|||
newPathOffset: number,
|
||||
newPathLength: number,
|
||||
): number => {
|
||||
const oldEntry = this.fds[oldFd];
|
||||
const newEntry = this.fds[newFd];
|
||||
const oldEntry = this.#fds[oldFd];
|
||||
const newEntry = this.#fds[newFd];
|
||||
if (!oldEntry || !newEntry) {
|
||||
return ERRNO_BADF;
|
||||
}
|
||||
|
|
@ -1225,13 +1240,13 @@ export default class Context {
|
|||
|
||||
const textDecoder = new TextDecoder();
|
||||
const oldData = new Uint8Array(
|
||||
this.memory.buffer,
|
||||
this.#memory.buffer,
|
||||
oldPathOffset,
|
||||
oldPathLength,
|
||||
);
|
||||
const oldPath = resolve(oldEntry.path!, textDecoder.decode(oldData));
|
||||
const newData = new Uint8Array(
|
||||
this.memory.buffer,
|
||||
this.#memory.buffer,
|
||||
newPathOffset,
|
||||
newPathLength,
|
||||
);
|
||||
|
|
@ -1253,7 +1268,7 @@ export default class Context {
|
|||
fdflags: number,
|
||||
openedFdOffset: number,
|
||||
): number => {
|
||||
const entry = this.fds[fd];
|
||||
const entry = this.#fds[fd];
|
||||
if (!entry) {
|
||||
return ERRNO_BADF;
|
||||
}
|
||||
|
|
@ -1264,7 +1279,7 @@ export default class Context {
|
|||
|
||||
const textDecoder = new TextDecoder();
|
||||
const pathData = new Uint8Array(
|
||||
this.memory.buffer,
|
||||
this.#memory.buffer,
|
||||
pathOffset,
|
||||
pathLength,
|
||||
);
|
||||
|
|
@ -1296,13 +1311,13 @@ export default class Context {
|
|||
// doesn't work with directories on windows so we'll have to work
|
||||
// around it for now.
|
||||
const entries = Array.from(Deno.readDirSync(path));
|
||||
const openedFd = this.fds.push({
|
||||
const openedFd = this.#fds.push({
|
||||
flags: fdflags,
|
||||
path,
|
||||
entries,
|
||||
}) - 1;
|
||||
|
||||
const memoryView = new DataView(this.memory.buffer);
|
||||
const memoryView = new DataView(this.#memory.buffer);
|
||||
memoryView.setUint32(openedFdOffset, openedFd, true);
|
||||
|
||||
return ERRNO_SUCCESS;
|
||||
|
|
@ -1376,13 +1391,13 @@ export default class Context {
|
|||
}
|
||||
|
||||
const { rid } = Deno.openSync(path, options);
|
||||
const openedFd = this.fds.push({
|
||||
const openedFd = this.#fds.push({
|
||||
rid,
|
||||
flags: fdflags,
|
||||
path,
|
||||
}) - 1;
|
||||
|
||||
const memoryView = new DataView(this.memory.buffer);
|
||||
const memoryView = new DataView(this.#memory.buffer);
|
||||
memoryView.setUint32(openedFdOffset, openedFd, true);
|
||||
|
||||
return ERRNO_SUCCESS;
|
||||
|
|
@ -1396,7 +1411,7 @@ export default class Context {
|
|||
bufferLength: number,
|
||||
bufferUsedOffset: number,
|
||||
): number => {
|
||||
const entry = this.fds[fd];
|
||||
const entry = this.#fds[fd];
|
||||
if (!entry) {
|
||||
return ERRNO_BADF;
|
||||
}
|
||||
|
|
@ -1405,11 +1420,11 @@ export default class Context {
|
|||
return ERRNO_INVAL;
|
||||
}
|
||||
|
||||
const memoryData = new Uint8Array(this.memory.buffer);
|
||||
const memoryView = new DataView(this.memory.buffer);
|
||||
const memoryData = new Uint8Array(this.#memory.buffer);
|
||||
const memoryView = new DataView(this.#memory.buffer);
|
||||
|
||||
const pathData = new Uint8Array(
|
||||
this.memory.buffer,
|
||||
this.#memory.buffer,
|
||||
pathOffset,
|
||||
pathLength,
|
||||
);
|
||||
|
|
@ -1430,7 +1445,7 @@ export default class Context {
|
|||
pathOffset: number,
|
||||
pathLength: number,
|
||||
): number => {
|
||||
const entry = this.fds[fd];
|
||||
const entry = this.#fds[fd];
|
||||
if (!entry) {
|
||||
return ERRNO_BADF;
|
||||
}
|
||||
|
|
@ -1440,7 +1455,11 @@ export default class Context {
|
|||
}
|
||||
|
||||
const textDecoder = new TextDecoder();
|
||||
const data = new Uint8Array(this.memory.buffer, pathOffset, pathLength);
|
||||
const data = new Uint8Array(
|
||||
this.#memory.buffer,
|
||||
pathOffset,
|
||||
pathLength,
|
||||
);
|
||||
const path = resolve(entry.path!, textDecoder.decode(data));
|
||||
|
||||
if (!Deno.statSync(path).isDirectory) {
|
||||
|
|
@ -1460,8 +1479,8 @@ export default class Context {
|
|||
newPathOffset: number,
|
||||
newPathLength: number,
|
||||
): number => {
|
||||
const oldEntry = this.fds[fd];
|
||||
const newEntry = this.fds[newFd];
|
||||
const oldEntry = this.#fds[fd];
|
||||
const newEntry = this.#fds[newFd];
|
||||
if (!oldEntry || !newEntry) {
|
||||
return ERRNO_BADF;
|
||||
}
|
||||
|
|
@ -1472,13 +1491,13 @@ export default class Context {
|
|||
|
||||
const textDecoder = new TextDecoder();
|
||||
const oldData = new Uint8Array(
|
||||
this.memory.buffer,
|
||||
this.#memory.buffer,
|
||||
oldPathOffset,
|
||||
oldPathLength,
|
||||
);
|
||||
const oldPath = resolve(oldEntry.path!, textDecoder.decode(oldData));
|
||||
const newData = new Uint8Array(
|
||||
this.memory.buffer,
|
||||
this.#memory.buffer,
|
||||
newPathOffset,
|
||||
newPathLength,
|
||||
);
|
||||
|
|
@ -1496,7 +1515,7 @@ export default class Context {
|
|||
newPathOffset: number,
|
||||
newPathLength: number,
|
||||
): number => {
|
||||
const entry = this.fds[fd];
|
||||
const entry = this.#fds[fd];
|
||||
if (!entry) {
|
||||
return ERRNO_BADF;
|
||||
}
|
||||
|
|
@ -1507,13 +1526,13 @@ export default class Context {
|
|||
|
||||
const textDecoder = new TextDecoder();
|
||||
const oldData = new Uint8Array(
|
||||
this.memory.buffer,
|
||||
this.#memory.buffer,
|
||||
oldPathOffset,
|
||||
oldPathLength,
|
||||
);
|
||||
const oldPath = textDecoder.decode(oldData);
|
||||
const newData = new Uint8Array(
|
||||
this.memory.buffer,
|
||||
this.#memory.buffer,
|
||||
newPathOffset,
|
||||
newPathLength,
|
||||
);
|
||||
|
|
@ -1529,7 +1548,7 @@ export default class Context {
|
|||
pathOffset: number,
|
||||
pathLength: number,
|
||||
): number => {
|
||||
const entry = this.fds[fd];
|
||||
const entry = this.#fds[fd];
|
||||
if (!entry) {
|
||||
return ERRNO_BADF;
|
||||
}
|
||||
|
|
@ -1539,7 +1558,11 @@ export default class Context {
|
|||
}
|
||||
|
||||
const textDecoder = new TextDecoder();
|
||||
const data = new Uint8Array(this.memory.buffer, pathOffset, pathLength);
|
||||
const data = new Uint8Array(
|
||||
this.#memory.buffer,
|
||||
pathOffset,
|
||||
pathLength,
|
||||
);
|
||||
const path = resolve(entry.path!, textDecoder.decode(data));
|
||||
|
||||
Deno.removeSync(path);
|
||||
|
|
@ -1559,7 +1582,7 @@ export default class Context {
|
|||
"proc_exit": syscall((
|
||||
rval: number,
|
||||
): never => {
|
||||
if (this.exitOnReturn) {
|
||||
if (this.#exitOnReturn) {
|
||||
Deno.exit(rval);
|
||||
}
|
||||
|
||||
|
|
@ -1581,7 +1604,7 @@ export default class Context {
|
|||
bufferLength: number,
|
||||
): number => {
|
||||
const buffer = new Uint8Array(
|
||||
this.memory.buffer,
|
||||
this.#memory.buffer,
|
||||
bufferOffset,
|
||||
bufferLength,
|
||||
);
|
||||
|
|
@ -1646,7 +1669,7 @@ export default class Context {
|
|||
throw new TypeError("WebAsembly.instance must provide a memory export");
|
||||
}
|
||||
|
||||
this.memory = memory;
|
||||
this.#memory = memory;
|
||||
|
||||
if (typeof _initialize == "function") {
|
||||
throw new TypeError(
|
||||
|
|
@ -1685,7 +1708,7 @@ export default class Context {
|
|||
throw new TypeError("WebAsembly.instance must provide a memory export");
|
||||
}
|
||||
|
||||
this.memory = memory;
|
||||
this.#memory = memory;
|
||||
|
||||
if (typeof _start == "function") {
|
||||
throw new TypeError(
|
||||
|
|
|
|||
Loading…
Reference in a new issue