mirror of
https://github.com/denoland/deno.git
synced 2024-12-28 18:19:08 -05:00
472 lines
12 KiB
Rust
472 lines
12 KiB
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
|
|
use crate::diagnostics::Diagnostic;
|
|
use crate::fmt_errors::JSError;
|
|
use crate::import_map::ImportMapError;
|
|
pub use crate::msg::ErrorKind;
|
|
use deno_core::AnyError;
|
|
use deno_core::ErrBox;
|
|
use deno_core::ModuleResolutionError;
|
|
use dlopen::Error as DlopenError;
|
|
use reqwest;
|
|
use rustyline::error::ReadlineError;
|
|
use std;
|
|
use std::env::VarError;
|
|
use std::error::Error;
|
|
use std::fmt;
|
|
use std::io;
|
|
use url;
|
|
|
|
#[derive(Debug)]
|
|
pub struct DenoError {
|
|
kind: ErrorKind,
|
|
msg: String,
|
|
}
|
|
|
|
pub fn print_msg_and_exit(msg: &str) {
|
|
eprintln!("{}", msg);
|
|
std::process::exit(1);
|
|
}
|
|
|
|
pub fn print_err_and_exit(err: ErrBox) {
|
|
eprintln!("{}", err.to_string());
|
|
std::process::exit(1);
|
|
}
|
|
|
|
pub fn js_check(r: Result<(), ErrBox>) {
|
|
if let Err(err) = r {
|
|
print_err_and_exit(err);
|
|
}
|
|
}
|
|
|
|
impl DenoError {
|
|
pub fn new(kind: ErrorKind, msg: String) -> Self {
|
|
Self { kind, msg }
|
|
}
|
|
}
|
|
|
|
impl Error for DenoError {}
|
|
|
|
impl fmt::Display for DenoError {
|
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
f.pad(self.msg.as_str())
|
|
}
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
struct StaticError(ErrorKind, &'static str);
|
|
|
|
impl Error for StaticError {}
|
|
|
|
impl fmt::Display for StaticError {
|
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
f.pad(self.1)
|
|
}
|
|
}
|
|
|
|
pub fn bad_resource() -> ErrBox {
|
|
StaticError(ErrorKind::BadResource, "bad resource id").into()
|
|
}
|
|
|
|
pub fn permission_denied() -> ErrBox {
|
|
StaticError(ErrorKind::PermissionDenied, "permission denied").into()
|
|
}
|
|
|
|
pub fn permission_denied_msg(msg: String) -> ErrBox {
|
|
DenoError::new(ErrorKind::PermissionDenied, msg).into()
|
|
}
|
|
|
|
pub fn no_buffer_specified() -> ErrBox {
|
|
StaticError(ErrorKind::InvalidInput, "no buffer specified").into()
|
|
}
|
|
|
|
pub fn invalid_address_syntax() -> ErrBox {
|
|
StaticError(ErrorKind::InvalidInput, "invalid address syntax").into()
|
|
}
|
|
|
|
pub fn other_error(msg: String) -> ErrBox {
|
|
DenoError::new(ErrorKind::Other, msg).into()
|
|
}
|
|
|
|
pub trait GetErrorKind {
|
|
fn kind(&self) -> ErrorKind;
|
|
}
|
|
|
|
impl GetErrorKind for DenoError {
|
|
fn kind(&self) -> ErrorKind {
|
|
self.kind
|
|
}
|
|
}
|
|
|
|
impl GetErrorKind for StaticError {
|
|
fn kind(&self) -> ErrorKind {
|
|
self.0
|
|
}
|
|
}
|
|
|
|
impl GetErrorKind for JSError {
|
|
fn kind(&self) -> ErrorKind {
|
|
ErrorKind::JSError
|
|
}
|
|
}
|
|
|
|
impl GetErrorKind for Diagnostic {
|
|
fn kind(&self) -> ErrorKind {
|
|
ErrorKind::Diagnostic
|
|
}
|
|
}
|
|
|
|
impl GetErrorKind for ImportMapError {
|
|
fn kind(&self) -> ErrorKind {
|
|
ErrorKind::Other
|
|
}
|
|
}
|
|
|
|
impl GetErrorKind for ModuleResolutionError {
|
|
fn kind(&self) -> ErrorKind {
|
|
use ModuleResolutionError::*;
|
|
match self {
|
|
InvalidUrl(ref err) | InvalidBaseUrl(ref err) => err.kind(),
|
|
InvalidPath(_) => ErrorKind::InvalidPath,
|
|
ImportPrefixMissing(_, _) => ErrorKind::ImportPrefixMissing,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl GetErrorKind for VarError {
|
|
fn kind(&self) -> ErrorKind {
|
|
use VarError::*;
|
|
match self {
|
|
NotPresent => ErrorKind::NotFound,
|
|
NotUnicode(..) => ErrorKind::InvalidData,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl GetErrorKind for io::Error {
|
|
fn kind(&self) -> ErrorKind {
|
|
use io::ErrorKind::*;
|
|
match self.kind() {
|
|
NotFound => ErrorKind::NotFound,
|
|
PermissionDenied => ErrorKind::PermissionDenied,
|
|
ConnectionRefused => ErrorKind::ConnectionRefused,
|
|
ConnectionReset => ErrorKind::ConnectionReset,
|
|
ConnectionAborted => ErrorKind::ConnectionAborted,
|
|
NotConnected => ErrorKind::NotConnected,
|
|
AddrInUse => ErrorKind::AddrInUse,
|
|
AddrNotAvailable => ErrorKind::AddrNotAvailable,
|
|
BrokenPipe => ErrorKind::BrokenPipe,
|
|
AlreadyExists => ErrorKind::AlreadyExists,
|
|
WouldBlock => ErrorKind::WouldBlock,
|
|
InvalidInput => ErrorKind::InvalidInput,
|
|
InvalidData => ErrorKind::InvalidData,
|
|
TimedOut => ErrorKind::TimedOut,
|
|
Interrupted => ErrorKind::Interrupted,
|
|
WriteZero => ErrorKind::WriteZero,
|
|
UnexpectedEof => ErrorKind::UnexpectedEof,
|
|
_ => ErrorKind::Other,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl GetErrorKind for url::ParseError {
|
|
fn kind(&self) -> ErrorKind {
|
|
ErrorKind::UrlParse
|
|
}
|
|
}
|
|
|
|
impl GetErrorKind for reqwest::Error {
|
|
fn kind(&self) -> ErrorKind {
|
|
use self::GetErrorKind as Get;
|
|
|
|
match self.source() {
|
|
Some(err_ref) => None
|
|
.or_else(|| err_ref.downcast_ref::<url::ParseError>().map(Get::kind))
|
|
.or_else(|| err_ref.downcast_ref::<io::Error>().map(Get::kind))
|
|
.or_else(|| {
|
|
err_ref
|
|
.downcast_ref::<serde_json::error::Error>()
|
|
.map(Get::kind)
|
|
})
|
|
.unwrap_or_else(|| ErrorKind::Http),
|
|
None => ErrorKind::Http,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl GetErrorKind for ReadlineError {
|
|
fn kind(&self) -> ErrorKind {
|
|
use ReadlineError::*;
|
|
match self {
|
|
Io(err) => GetErrorKind::kind(err),
|
|
Eof => ErrorKind::UnexpectedEof,
|
|
Interrupted => ErrorKind::Interrupted,
|
|
#[cfg(unix)]
|
|
Errno(err) => err.kind(),
|
|
_ => unimplemented!(),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl GetErrorKind for serde_json::error::Error {
|
|
fn kind(&self) -> ErrorKind {
|
|
use serde_json::error::*;
|
|
match self.classify() {
|
|
Category::Io => ErrorKind::InvalidInput,
|
|
Category::Syntax => ErrorKind::InvalidInput,
|
|
Category::Data => ErrorKind::InvalidData,
|
|
Category::Eof => ErrorKind::UnexpectedEof,
|
|
}
|
|
}
|
|
}
|
|
|
|
#[cfg(unix)]
|
|
mod unix {
|
|
use super::{ErrorKind, GetErrorKind};
|
|
use nix::errno::Errno::*;
|
|
pub use nix::Error;
|
|
use nix::Error::Sys;
|
|
|
|
impl GetErrorKind for Error {
|
|
fn kind(&self) -> ErrorKind {
|
|
match self {
|
|
Sys(EPERM) => ErrorKind::PermissionDenied,
|
|
Sys(EINVAL) => ErrorKind::InvalidInput,
|
|
Sys(ENOENT) => ErrorKind::NotFound,
|
|
Sys(_) => ErrorKind::UnixError,
|
|
_ => ErrorKind::Other,
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
impl GetErrorKind for DlopenError {
|
|
fn kind(&self) -> ErrorKind {
|
|
use dlopen::Error::*;
|
|
match self {
|
|
NullCharacter(_) => ErrorKind::Other,
|
|
OpeningLibraryError(e) => GetErrorKind::kind(e),
|
|
SymbolGettingError(e) => GetErrorKind::kind(e),
|
|
NullSymbol => ErrorKind::Other,
|
|
AddrNotMatchingDll(e) => GetErrorKind::kind(e),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl GetErrorKind for dyn AnyError {
|
|
fn kind(&self) -> ErrorKind {
|
|
use self::GetErrorKind as Get;
|
|
|
|
#[cfg(unix)]
|
|
fn unix_error_kind(err: &dyn AnyError) -> Option<ErrorKind> {
|
|
err.downcast_ref::<unix::Error>().map(Get::kind)
|
|
}
|
|
|
|
#[cfg(not(unix))]
|
|
fn unix_error_kind(_: &dyn AnyError) -> Option<ErrorKind> {
|
|
None
|
|
}
|
|
|
|
None
|
|
.or_else(|| self.downcast_ref::<DenoError>().map(Get::kind))
|
|
.or_else(|| self.downcast_ref::<Diagnostic>().map(Get::kind))
|
|
.or_else(|| self.downcast_ref::<reqwest::Error>().map(Get::kind))
|
|
.or_else(|| self.downcast_ref::<ImportMapError>().map(Get::kind))
|
|
.or_else(|| self.downcast_ref::<io::Error>().map(Get::kind))
|
|
.or_else(|| self.downcast_ref::<JSError>().map(Get::kind))
|
|
.or_else(|| self.downcast_ref::<ModuleResolutionError>().map(Get::kind))
|
|
.or_else(|| self.downcast_ref::<StaticError>().map(Get::kind))
|
|
.or_else(|| self.downcast_ref::<url::ParseError>().map(Get::kind))
|
|
.or_else(|| self.downcast_ref::<VarError>().map(Get::kind))
|
|
.or_else(|| self.downcast_ref::<ReadlineError>().map(Get::kind))
|
|
.or_else(|| {
|
|
self
|
|
.downcast_ref::<serde_json::error::Error>()
|
|
.map(Get::kind)
|
|
})
|
|
.or_else(|| self.downcast_ref::<DlopenError>().map(Get::kind))
|
|
.or_else(|| unix_error_kind(self))
|
|
.unwrap_or_else(|| {
|
|
panic!("Can't get ErrorKind for {:?}", self);
|
|
})
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
use crate::colors::strip_ansi_codes;
|
|
use crate::diagnostics::Diagnostic;
|
|
use crate::diagnostics::DiagnosticCategory;
|
|
use crate::diagnostics::DiagnosticItem;
|
|
use deno_core::ErrBox;
|
|
use deno_core::StackFrame;
|
|
use deno_core::V8Exception;
|
|
|
|
fn js_error() -> JSError {
|
|
JSError::new(V8Exception {
|
|
message: "Error: foo bar".to_string(),
|
|
source_line: None,
|
|
script_resource_name: None,
|
|
line_number: None,
|
|
start_position: None,
|
|
end_position: None,
|
|
error_level: None,
|
|
start_column: None,
|
|
end_column: None,
|
|
frames: vec![
|
|
StackFrame {
|
|
line: 4,
|
|
column: 16,
|
|
script_name: "foo_bar.ts".to_string(),
|
|
function_name: "foo".to_string(),
|
|
is_eval: false,
|
|
is_constructor: false,
|
|
is_wasm: false,
|
|
},
|
|
StackFrame {
|
|
line: 5,
|
|
column: 20,
|
|
script_name: "bar_baz.ts".to_string(),
|
|
function_name: "qat".to_string(),
|
|
is_eval: false,
|
|
is_constructor: false,
|
|
is_wasm: false,
|
|
},
|
|
StackFrame {
|
|
line: 1,
|
|
column: 1,
|
|
script_name: "deno_main.js".to_string(),
|
|
function_name: "".to_string(),
|
|
is_eval: false,
|
|
is_constructor: false,
|
|
is_wasm: false,
|
|
},
|
|
],
|
|
})
|
|
}
|
|
|
|
fn diagnostic() -> Diagnostic {
|
|
Diagnostic {
|
|
items: vec![
|
|
DiagnosticItem {
|
|
message: "Example 1".to_string(),
|
|
message_chain: None,
|
|
code: 2322,
|
|
category: DiagnosticCategory::Error,
|
|
start_position: Some(267),
|
|
end_position: Some(273),
|
|
source_line: Some(" values: o => [".to_string()),
|
|
line_number: Some(18),
|
|
script_resource_name: Some(
|
|
"deno/tests/complex_diagnostics.ts".to_string(),
|
|
),
|
|
start_column: Some(2),
|
|
end_column: Some(8),
|
|
related_information: None,
|
|
},
|
|
DiagnosticItem {
|
|
message: "Example 2".to_string(),
|
|
message_chain: None,
|
|
code: 2000,
|
|
category: DiagnosticCategory::Error,
|
|
start_position: Some(2),
|
|
end_position: Some(2),
|
|
source_line: Some(" values: undefined,".to_string()),
|
|
line_number: Some(128),
|
|
script_resource_name: Some("/foo/bar.ts".to_string()),
|
|
start_column: Some(2),
|
|
end_column: Some(8),
|
|
related_information: None,
|
|
},
|
|
],
|
|
}
|
|
}
|
|
|
|
fn io_error() -> io::Error {
|
|
io::Error::from(io::ErrorKind::NotFound)
|
|
}
|
|
|
|
fn url_error() -> url::ParseError {
|
|
url::ParseError::EmptyHost
|
|
}
|
|
|
|
fn import_map_error() -> ImportMapError {
|
|
ImportMapError {
|
|
msg: "an import map error".to_string(),
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn test_simple_error() {
|
|
let err =
|
|
ErrBox::from(DenoError::new(ErrorKind::NotFound, "foo".to_string()));
|
|
assert_eq!(err.kind(), ErrorKind::NotFound);
|
|
assert_eq!(err.to_string(), "foo");
|
|
}
|
|
|
|
#[test]
|
|
fn test_io_error() {
|
|
let err = ErrBox::from(io_error());
|
|
assert_eq!(err.kind(), ErrorKind::NotFound);
|
|
assert_eq!(err.to_string(), "entity not found");
|
|
}
|
|
|
|
#[test]
|
|
fn test_url_error() {
|
|
let err = ErrBox::from(url_error());
|
|
assert_eq!(err.kind(), ErrorKind::UrlParse);
|
|
assert_eq!(err.to_string(), "empty host");
|
|
}
|
|
|
|
// TODO find a way to easily test tokio errors and unix errors
|
|
|
|
#[test]
|
|
fn test_diagnostic() {
|
|
let err = ErrBox::from(diagnostic());
|
|
assert_eq!(err.kind(), ErrorKind::Diagnostic);
|
|
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");
|
|
}
|
|
|
|
#[test]
|
|
fn test_js_error() {
|
|
let err = ErrBox::from(js_error());
|
|
assert_eq!(err.kind(), ErrorKind::JSError);
|
|
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");
|
|
}
|
|
|
|
#[test]
|
|
fn test_import_map_error() {
|
|
let err = ErrBox::from(import_map_error());
|
|
assert_eq!(err.kind(), ErrorKind::Other);
|
|
assert_eq!(err.to_string(), "an import map error");
|
|
}
|
|
|
|
#[test]
|
|
fn test_bad_resource() {
|
|
let err = bad_resource();
|
|
assert_eq!(err.kind(), ErrorKind::BadResource);
|
|
assert_eq!(err.to_string(), "bad resource id");
|
|
}
|
|
|
|
#[test]
|
|
fn test_permission_denied() {
|
|
let err = permission_denied();
|
|
assert_eq!(err.kind(), ErrorKind::PermissionDenied);
|
|
assert_eq!(err.to_string(), "permission denied");
|
|
}
|
|
|
|
#[test]
|
|
fn test_permission_denied_msg() {
|
|
let err =
|
|
permission_denied_msg("run again with the --allow-net flag".to_string());
|
|
assert_eq!(err.kind(), ErrorKind::PermissionDenied);
|
|
assert_eq!(err.to_string(), "run again with the --allow-net flag");
|
|
}
|
|
|
|
#[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");
|
|
}
|
|
}
|