Jesper Håkansson
7 years ago
commit
a558ea5e50
@ -1,154 +0,0 @@ |
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//! Code related to error handling for wasm-pack
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use serde_json; |
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use std::borrow::Cow; |
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use std::io; |
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use std::process::ExitStatus; |
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use toml; |
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/// Errors that can potentially occur in `wasm-pack`.
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#[derive(Debug, Fail)] |
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pub enum Error { |
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/// Maps any underlying I/O errors that are thrown to this variant
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#[fail(display = "{}", _0)] |
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Io(#[cause] io::Error), |
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/// A JSON serialization or deserialization error.
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#[fail(display = "{}", _0)] |
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SerdeJson(#[cause] serde_json::Error), |
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/// A TOML serialization or deserialization error.
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#[fail(display = "{}", _0)] |
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SerdeToml(#[cause] toml::de::Error), |
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#[fail(display = "{}", _0)] |
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/// An error in parsing your rustc version.
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RustcMissing { |
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/// Error message
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message: String, |
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}, |
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#[fail(display = "{}", _0)] |
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/// An error from having an unsupported rustc version.
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RustcVersion { |
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/// Error message
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message: String, |
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/// The minor version of the local rust
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local_minor_version: String, |
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}, |
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/// An error invoking another CLI tool.
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#[fail(display = "`{}` exited with {}", tool, exit_status)] |
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Cli { |
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/// Error message.
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tool: String, |
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/// The underlying CLI's `stdout` output.
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stdout: String, |
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/// The underlying CLI's `stderr` output.
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stderr: String, |
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/// The exit status of the subprocess
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exit_status: ExitStatus, |
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}, |
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/// A crate configuration error.
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#[fail(display = "{}", message)] |
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CrateConfig { |
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/// A message describing the configuration error.
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message: String, |
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}, |
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#[fail(display = "{}", message)] |
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/// Error when the 'pkg' directory is not found.
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PkgNotFound { |
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/// Message describing the error.
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message: String, |
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}, |
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#[fail(display = "{}", message)] |
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/// Error when some operation or feature is unsupported for the current
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/// target or environment.
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Unsupported { |
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/// Error message.
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message: String, |
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}, |
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} |
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impl Error { |
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/// Construct a CLI error.
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pub fn cli(tool: &str, stdout: Cow<str>, stderr: Cow<str>, exit_status: ExitStatus) -> Self { |
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Error::Cli { |
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tool: tool.to_string(), |
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stdout: stdout.to_string(), |
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stderr: stderr.to_string(), |
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exit_status, |
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} |
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} |
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/// Construct a crate configuration error.
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pub fn crate_config(message: &str) -> Self { |
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Error::CrateConfig { |
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message: message.to_string(), |
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} |
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} |
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/// Construct an unsupported error.
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pub fn unsupported(message: &str) -> Self { |
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Error::Unsupported { |
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message: message.to_string(), |
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} |
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} |
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/// Construct a rustc version error.
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pub fn rustc_version_error(message: &str, local_version: &str) -> Self { |
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Error::RustcVersion { |
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message: message.to_string(), |
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local_minor_version: local_version.to_string(), |
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} |
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} |
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/// Get a string description of this error's type.
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pub fn error_type(&self) -> String { |
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match self { |
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Error::Io(_) => "There was an I/O error. Details:\n\n", |
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Error::SerdeJson(_) => "There was an JSON error. Details:\n\n", |
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Error::SerdeToml(_) => "There was an TOML error. Details:\n\n", |
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Error::RustcMissing { |
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message: _, |
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} => "We can't figure out what your Rust version is- which means you might not have Rust installed. Please install Rust version 1.30.0 or higher.", |
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Error::RustcVersion { |
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message: _, |
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local_minor_version: _, |
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} => "Your rustc version is not supported. Please install version 1.30.0 or higher.", |
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Error::Cli { |
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tool: _, |
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stdout: _, |
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stderr: _, |
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exit_status: _, |
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} => "There was an error while calling another CLI tool. Details:\n\n", |
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Error::CrateConfig { message: _ } => { |
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"There was a crate configuration error. Details:\n\n" |
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} |
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Error::PkgNotFound { |
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message: _, |
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} => "Unable to find the 'pkg' directory at the path, set the path as the parent of the 'pkg' directory \n\n", |
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Error::Unsupported {..} => "There was an unsupported operation attempted. Details:\n\n", |
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}.to_string() |
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} |
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} |
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impl From<io::Error> for Error { |
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fn from(e: io::Error) -> Self { |
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Error::Io(e) |
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} |
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} |
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impl From<serde_json::Error> for Error { |
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fn from(e: serde_json::Error) -> Self { |
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Error::SerdeJson(e) |
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} |
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} |
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impl From<toml::de::Error> for Error { |
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fn from(e: toml::de::Error) -> Self { |
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Error::SerdeToml(e) |
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} |
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} |
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