mirror of
https://github.com/denoland/deno.git
synced 2024-12-28 18:19:08 -05:00
549 lines
15 KiB
Rust
549 lines
15 KiB
Rust
// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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use crate::diagnostics::Diagnostic;
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use crate::fmt_errors::JSError;
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use crate::import_map::ImportMapError;
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pub use crate::msg::ErrorKind;
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use deno::AnyError;
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use deno::ErrBox;
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use deno::ModuleResolutionError;
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use dlopen::Error as DlopenError;
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use http::uri;
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use hyper;
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use reqwest;
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use rustyline::error::ReadlineError;
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use std;
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use std::env::VarError;
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use std::error::Error;
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use std::fmt;
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use std::io;
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use url;
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#[derive(Debug)]
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pub struct DenoError {
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kind: ErrorKind,
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msg: String,
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}
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pub fn print_msg_and_exit(msg: &str) {
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eprintln!("{}", msg);
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std::process::exit(1);
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}
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pub fn print_err_and_exit(err: ErrBox) {
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eprintln!("{}", err.to_string());
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std::process::exit(1);
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}
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pub fn js_check(r: Result<(), ErrBox>) {
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if let Err(err) = r {
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print_err_and_exit(err);
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}
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}
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impl DenoError {
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pub fn new(kind: ErrorKind, msg: String) -> Self {
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Self { kind, msg }
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}
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}
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impl Error for DenoError {}
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impl fmt::Display for DenoError {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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f.pad(self.msg.as_str())
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}
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}
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#[derive(Debug)]
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struct StaticError(ErrorKind, &'static str);
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impl Error for StaticError {}
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impl fmt::Display for StaticError {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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f.pad(self.1)
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}
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}
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pub fn bad_resource() -> ErrBox {
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StaticError(ErrorKind::BadResource, "bad resource id").into()
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}
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pub fn permission_denied() -> ErrBox {
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StaticError(ErrorKind::PermissionDenied, "permission denied").into()
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}
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pub fn permission_denied_msg(msg: String) -> ErrBox {
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DenoError::new(ErrorKind::PermissionDenied, msg).into()
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}
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pub fn op_not_implemented() -> ErrBox {
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StaticError(ErrorKind::OpNotAvailable, "op not implemented").into()
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}
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pub fn no_buffer_specified() -> ErrBox {
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StaticError(ErrorKind::InvalidInput, "no buffer specified").into()
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}
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pub fn no_async_support() -> ErrBox {
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StaticError(ErrorKind::NoAsyncSupport, "op doesn't support async calls")
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.into()
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}
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pub fn no_sync_support() -> ErrBox {
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StaticError(ErrorKind::NoSyncSupport, "op doesn't support sync calls").into()
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}
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pub fn invalid_address_syntax() -> ErrBox {
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StaticError(ErrorKind::InvalidInput, "invalid address syntax").into()
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}
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pub fn too_many_redirects() -> ErrBox {
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StaticError(ErrorKind::TooManyRedirects, "too many redirects").into()
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}
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pub fn type_error(msg: String) -> ErrBox {
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DenoError::new(ErrorKind::TypeError, msg).into()
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}
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pub trait GetErrorKind {
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fn kind(&self) -> ErrorKind;
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}
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impl GetErrorKind for DenoError {
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fn kind(&self) -> ErrorKind {
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self.kind
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}
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}
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impl GetErrorKind for StaticError {
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fn kind(&self) -> ErrorKind {
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self.0
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}
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}
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impl GetErrorKind for JSError {
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fn kind(&self) -> ErrorKind {
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ErrorKind::JSError
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}
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}
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impl GetErrorKind for Diagnostic {
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fn kind(&self) -> ErrorKind {
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ErrorKind::Diagnostic
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}
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}
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impl GetErrorKind for ImportMapError {
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fn kind(&self) -> ErrorKind {
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ErrorKind::ImportMapError
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}
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}
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impl GetErrorKind for ModuleResolutionError {
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fn kind(&self) -> ErrorKind {
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use ModuleResolutionError::*;
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match self {
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InvalidUrl(ref err) | InvalidBaseUrl(ref err) => err.kind(),
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InvalidPath(_) => ErrorKind::InvalidPath,
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ImportPrefixMissing(_, _) => ErrorKind::ImportPrefixMissing,
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}
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}
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}
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impl GetErrorKind for VarError {
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fn kind(&self) -> ErrorKind {
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use VarError::*;
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match self {
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NotPresent => ErrorKind::NotFound,
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NotUnicode(..) => ErrorKind::InvalidData,
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}
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}
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}
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impl GetErrorKind for io::Error {
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fn kind(&self) -> ErrorKind {
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use io::ErrorKind::*;
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match self.kind() {
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NotFound => ErrorKind::NotFound,
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PermissionDenied => ErrorKind::PermissionDenied,
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ConnectionRefused => ErrorKind::ConnectionRefused,
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ConnectionReset => ErrorKind::ConnectionReset,
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ConnectionAborted => ErrorKind::ConnectionAborted,
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NotConnected => ErrorKind::NotConnected,
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AddrInUse => ErrorKind::AddrInUse,
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AddrNotAvailable => ErrorKind::AddrNotAvailable,
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BrokenPipe => ErrorKind::BrokenPipe,
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AlreadyExists => ErrorKind::AlreadyExists,
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WouldBlock => ErrorKind::WouldBlock,
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InvalidInput => ErrorKind::InvalidInput,
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InvalidData => ErrorKind::InvalidData,
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TimedOut => ErrorKind::TimedOut,
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Interrupted => ErrorKind::Interrupted,
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WriteZero => ErrorKind::WriteZero,
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UnexpectedEof => ErrorKind::UnexpectedEof,
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_ => ErrorKind::Other,
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}
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}
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}
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impl GetErrorKind for uri::InvalidUri {
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fn kind(&self) -> ErrorKind {
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// The http::uri::ErrorKind exists and is similar to url::ParseError.
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// However it is also private, so we can't get any details out.
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ErrorKind::InvalidUri
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}
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}
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impl GetErrorKind for url::ParseError {
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fn kind(&self) -> ErrorKind {
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use url::ParseError::*;
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match self {
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EmptyHost => ErrorKind::EmptyHost,
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IdnaError => ErrorKind::IdnaError,
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InvalidDomainCharacter => ErrorKind::InvalidDomainCharacter,
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InvalidIpv4Address => ErrorKind::InvalidIpv4Address,
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InvalidIpv6Address => ErrorKind::InvalidIpv6Address,
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InvalidPort => ErrorKind::InvalidPort,
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Overflow => ErrorKind::Overflow,
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RelativeUrlWithCannotBeABaseBase => {
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ErrorKind::RelativeUrlWithCannotBeABaseBase
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}
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RelativeUrlWithoutBase => ErrorKind::RelativeUrlWithoutBase,
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SetHostOnCannotBeABaseUrl => ErrorKind::SetHostOnCannotBeABaseUrl,
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}
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}
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}
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impl GetErrorKind for hyper::Error {
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fn kind(&self) -> ErrorKind {
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match self {
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e if e.is_canceled() => ErrorKind::HttpCanceled,
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e if e.is_closed() => ErrorKind::HttpClosed,
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e if e.is_parse() => ErrorKind::HttpParse,
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e if e.is_user() => ErrorKind::HttpUser,
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_ => ErrorKind::HttpOther,
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}
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}
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}
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impl GetErrorKind for reqwest::Error {
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fn kind(&self) -> ErrorKind {
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use self::GetErrorKind as Get;
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match self.get_ref() {
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Some(err_ref) => None
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.or_else(|| err_ref.downcast_ref::<hyper::Error>().map(Get::kind))
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.or_else(|| err_ref.downcast_ref::<url::ParseError>().map(Get::kind))
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.or_else(|| err_ref.downcast_ref::<io::Error>().map(Get::kind))
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.or_else(|| {
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err_ref
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.downcast_ref::<serde_json::error::Error>()
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.map(Get::kind)
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})
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.unwrap_or_else(|| ErrorKind::HttpOther),
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_ => ErrorKind::HttpOther,
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}
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}
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}
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impl GetErrorKind for ReadlineError {
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fn kind(&self) -> ErrorKind {
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use ReadlineError::*;
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match self {
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Io(err) => GetErrorKind::kind(err),
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Eof => ErrorKind::UnexpectedEof,
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Interrupted => ErrorKind::Interrupted,
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#[cfg(unix)]
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Errno(err) => err.kind(),
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_ => unimplemented!(),
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}
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}
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}
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impl GetErrorKind for serde_json::error::Error {
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fn kind(&self) -> ErrorKind {
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use serde_json::error::*;
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match self.classify() {
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Category::Io => ErrorKind::InvalidInput,
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Category::Syntax => ErrorKind::InvalidInput,
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Category::Data => ErrorKind::InvalidData,
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Category::Eof => ErrorKind::UnexpectedEof,
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}
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}
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}
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#[cfg(unix)]
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mod unix {
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use super::{ErrorKind, GetErrorKind};
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use nix::errno::Errno::*;
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pub use nix::Error;
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use nix::Error::Sys;
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impl GetErrorKind for Error {
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fn kind(&self) -> ErrorKind {
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match self {
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Sys(EPERM) => ErrorKind::PermissionDenied,
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Sys(EINVAL) => ErrorKind::InvalidInput,
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Sys(ENOENT) => ErrorKind::NotFound,
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Sys(_) => ErrorKind::UnixError,
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_ => ErrorKind::Other,
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}
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}
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}
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}
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impl GetErrorKind for DlopenError {
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fn kind(&self) -> ErrorKind {
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use dlopen::Error::*;
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match self {
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NullCharacter(_) => ErrorKind::Other,
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OpeningLibraryError(e) => GetErrorKind::kind(e),
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SymbolGettingError(e) => GetErrorKind::kind(e),
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NullSymbol => ErrorKind::Other,
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AddrNotMatchingDll(e) => GetErrorKind::kind(e),
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}
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}
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}
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impl GetErrorKind for dyn AnyError {
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fn kind(&self) -> ErrorKind {
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use self::GetErrorKind as Get;
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#[cfg(unix)]
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fn unix_error_kind(err: &dyn AnyError) -> Option<ErrorKind> {
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err.downcast_ref::<unix::Error>().map(Get::kind)
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}
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#[cfg(not(unix))]
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fn unix_error_kind(_: &dyn AnyError) -> Option<ErrorKind> {
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None
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}
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None
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.or_else(|| self.downcast_ref::<DenoError>().map(Get::kind))
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.or_else(|| self.downcast_ref::<Diagnostic>().map(Get::kind))
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.or_else(|| self.downcast_ref::<hyper::Error>().map(Get::kind))
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.or_else(|| self.downcast_ref::<reqwest::Error>().map(Get::kind))
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.or_else(|| self.downcast_ref::<ImportMapError>().map(Get::kind))
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.or_else(|| self.downcast_ref::<io::Error>().map(Get::kind))
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.or_else(|| self.downcast_ref::<JSError>().map(Get::kind))
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.or_else(|| self.downcast_ref::<ModuleResolutionError>().map(Get::kind))
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.or_else(|| self.downcast_ref::<StaticError>().map(Get::kind))
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.or_else(|| self.downcast_ref::<uri::InvalidUri>().map(Get::kind))
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.or_else(|| self.downcast_ref::<url::ParseError>().map(Get::kind))
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.or_else(|| self.downcast_ref::<VarError>().map(Get::kind))
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.or_else(|| self.downcast_ref::<ReadlineError>().map(Get::kind))
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.or_else(|| {
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self
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.downcast_ref::<serde_json::error::Error>()
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.map(Get::kind)
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})
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.or_else(|| self.downcast_ref::<DlopenError>().map(Get::kind))
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.or_else(|| unix_error_kind(self))
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.unwrap_or_else(|| {
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panic!("Can't get ErrorKind for {:?}", self);
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})
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::colors::strip_ansi_codes;
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use crate::diagnostics::Diagnostic;
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use crate::diagnostics::DiagnosticCategory;
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use crate::diagnostics::DiagnosticItem;
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use deno::ErrBox;
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use deno::StackFrame;
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use deno::V8Exception;
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fn js_error() -> JSError {
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JSError::new(V8Exception {
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message: "Error: foo bar".to_string(),
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source_line: None,
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script_resource_name: None,
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line_number: None,
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start_position: None,
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end_position: None,
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error_level: None,
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start_column: None,
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end_column: None,
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frames: vec![
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StackFrame {
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line: 4,
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column: 16,
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script_name: "foo_bar.ts".to_string(),
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function_name: "foo".to_string(),
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is_eval: false,
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is_constructor: false,
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is_wasm: false,
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},
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StackFrame {
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line: 5,
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column: 20,
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script_name: "bar_baz.ts".to_string(),
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function_name: "qat".to_string(),
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is_eval: false,
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is_constructor: false,
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is_wasm: false,
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},
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StackFrame {
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line: 1,
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column: 1,
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script_name: "deno_main.js".to_string(),
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function_name: "".to_string(),
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is_eval: false,
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is_constructor: false,
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is_wasm: false,
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},
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],
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})
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}
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fn diagnostic() -> Diagnostic {
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Diagnostic {
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items: vec![
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DiagnosticItem {
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message: "Example 1".to_string(),
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message_chain: None,
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code: 2322,
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category: DiagnosticCategory::Error,
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start_position: Some(267),
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end_position: Some(273),
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source_line: Some(" values: o => [".to_string()),
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line_number: Some(18),
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script_resource_name: Some(
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"deno/tests/complex_diagnostics.ts".to_string(),
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),
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start_column: Some(2),
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end_column: Some(8),
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related_information: None,
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},
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DiagnosticItem {
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message: "Example 2".to_string(),
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message_chain: None,
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code: 2000,
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category: DiagnosticCategory::Error,
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start_position: Some(2),
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end_position: Some(2),
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source_line: Some(" values: undefined,".to_string()),
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line_number: Some(128),
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script_resource_name: Some("/foo/bar.ts".to_string()),
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start_column: Some(2),
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end_column: Some(8),
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related_information: None,
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},
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],
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}
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}
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fn io_error() -> io::Error {
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io::Error::from(io::ErrorKind::NotFound)
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}
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fn url_error() -> url::ParseError {
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url::ParseError::EmptyHost
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}
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fn import_map_error() -> ImportMapError {
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ImportMapError {
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msg: "an import map error".to_string(),
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}
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}
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#[test]
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fn test_simple_error() {
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let err =
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ErrBox::from(DenoError::new(ErrorKind::NoError, "foo".to_string()));
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assert_eq!(err.kind(), ErrorKind::NoError);
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assert_eq!(err.to_string(), "foo");
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}
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#[test]
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fn test_io_error() {
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let err = ErrBox::from(io_error());
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assert_eq!(err.kind(), ErrorKind::NotFound);
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assert_eq!(err.to_string(), "entity not found");
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}
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#[test]
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fn test_url_error() {
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let err = ErrBox::from(url_error());
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assert_eq!(err.kind(), ErrorKind::EmptyHost);
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assert_eq!(err.to_string(), "empty host");
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}
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// TODO find a way to easily test tokio errors and unix errors
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#[test]
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fn test_diagnostic() {
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let err = ErrBox::from(diagnostic());
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assert_eq!(err.kind(), ErrorKind::Diagnostic);
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assert_eq!(strip_ansi_codes(&err.to_string()), "error TS2322: Example 1\n\n► deno/tests/complex_diagnostics.ts:19:3\n\n19 values: o => [\n ~~~~~~\n\nerror TS2000: Example 2\n\n► /foo/bar.ts:129:3\n\n129 values: undefined,\n ~~~~~~\n\n\nFound 2 errors.\n");
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}
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#[test]
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fn test_js_error() {
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let err = ErrBox::from(js_error());
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assert_eq!(err.kind(), ErrorKind::JSError);
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assert_eq!(strip_ansi_codes(&err.to_string()), "error: Error: foo bar\n at foo (foo_bar.ts:5:17)\n at qat (bar_baz.ts:6:21)\n at deno_main.js:2:2");
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}
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#[test]
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fn test_import_map_error() {
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let err = ErrBox::from(import_map_error());
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assert_eq!(err.kind(), ErrorKind::ImportMapError);
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assert_eq!(err.to_string(), "an import map error");
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}
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#[test]
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fn test_bad_resource() {
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let err = bad_resource();
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assert_eq!(err.kind(), ErrorKind::BadResource);
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assert_eq!(err.to_string(), "bad resource id");
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}
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#[test]
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fn test_permission_denied() {
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let err = permission_denied();
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assert_eq!(err.kind(), ErrorKind::PermissionDenied);
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assert_eq!(err.to_string(), "permission denied");
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}
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#[test]
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fn test_permission_denied_msg() {
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let err =
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permission_denied_msg("run again with the --allow-net flag".to_string());
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assert_eq!(err.kind(), ErrorKind::PermissionDenied);
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assert_eq!(err.to_string(), "run again with the --allow-net flag");
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}
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#[test]
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fn test_op_not_implemented() {
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let err = op_not_implemented();
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assert_eq!(err.kind(), ErrorKind::OpNotAvailable);
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assert_eq!(err.to_string(), "op not implemented");
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}
|
|
|
|
#[test]
|
|
fn test_no_buffer_specified() {
|
|
let err = no_buffer_specified();
|
|
assert_eq!(err.kind(), ErrorKind::InvalidInput);
|
|
assert_eq!(err.to_string(), "no buffer specified");
|
|
}
|
|
|
|
#[test]
|
|
fn test_no_async_support() {
|
|
let err = no_async_support();
|
|
assert_eq!(err.kind(), ErrorKind::NoAsyncSupport);
|
|
assert_eq!(err.to_string(), "op doesn't support async calls");
|
|
}
|
|
|
|
#[test]
|
|
fn test_no_sync_support() {
|
|
let err = no_sync_support();
|
|
assert_eq!(err.kind(), ErrorKind::NoSyncSupport);
|
|
assert_eq!(err.to_string(), "op doesn't support sync calls");
|
|
}
|
|
}
|