323 lines
8.9 KiB
Rust
323 lines
8.9 KiB
Rust
//! Error and Result types.
|
|
//!
|
|
//! To deal with errors from dependencies, either create a new error variant
|
|
//! or use the ToolFailure variant if the error can only occur inside a tool.
|
|
|
|
use crate::{value::Value, Identifier};
|
|
|
|
use std::{fmt, io, time, string::FromUtf8Error};
|
|
|
|
pub type Result<T> = std::result::Result<T, Error>;
|
|
|
|
#[derive(Clone, PartialEq)]
|
|
pub enum Error {
|
|
UnexpectedSyntaxNode {
|
|
expected: &'static str,
|
|
actual: &'static str,
|
|
location: tree_sitter::Point,
|
|
relevant_source: String,
|
|
},
|
|
|
|
/// The 'assert' macro did not resolve successfully.
|
|
AssertEqualFailed {
|
|
expected: Value,
|
|
actual: Value,
|
|
},
|
|
|
|
/// The 'assert' macro did not resolve successfully.
|
|
AssertFailed,
|
|
|
|
/// A row was inserted to a table with the wrong amount of values.
|
|
WrongColumnAmount {
|
|
expected: usize,
|
|
actual: usize,
|
|
},
|
|
|
|
/// An operator was called with the wrong amount of arguments.
|
|
ExpectedOperatorArgumentAmount {
|
|
expected: usize,
|
|
actual: usize,
|
|
},
|
|
|
|
/// A function was called with the wrong amount of arguments.
|
|
ExpectedToolArgumentAmount {
|
|
tool_name: &'static str,
|
|
expected: usize,
|
|
actual: usize,
|
|
},
|
|
|
|
/// A function was called with the wrong amount of arguments.
|
|
ExpectedAtLeastFunctionArgumentAmount {
|
|
identifier: String,
|
|
minimum: usize,
|
|
actual: usize,
|
|
},
|
|
|
|
ExpectedString {
|
|
actual: Value,
|
|
},
|
|
|
|
ExpectedInt {
|
|
actual: Value,
|
|
},
|
|
|
|
ExpectedFloat {
|
|
actual: Value,
|
|
},
|
|
|
|
/// An integer, floating point or value was expected.
|
|
ExpectedNumber {
|
|
actual: Value,
|
|
},
|
|
|
|
/// An integer, floating point or string value was expected.
|
|
ExpectedNumberOrString {
|
|
actual: Value,
|
|
},
|
|
|
|
ExpectedBoolean {
|
|
actual: Value,
|
|
},
|
|
|
|
ExpectedList {
|
|
actual: Value,
|
|
},
|
|
|
|
ExpectedMinLengthList {
|
|
minimum_len: usize,
|
|
actual_len: usize,
|
|
},
|
|
|
|
ExpectedFixedLenList {
|
|
expected_len: usize,
|
|
actual: Value,
|
|
},
|
|
|
|
ExpectedEmpty {
|
|
actual: Value,
|
|
},
|
|
|
|
ExpectedMap {
|
|
actual: Value,
|
|
},
|
|
|
|
ExpectedTable {
|
|
actual: Value,
|
|
},
|
|
|
|
ExpectedFunction {
|
|
actual: Value,
|
|
},
|
|
|
|
/// A string, list, map or table value was expected.
|
|
ExpectedCollection {
|
|
actual: Value,
|
|
},
|
|
|
|
/// A `VariableIdentifier` operation did not find its value in the context.
|
|
VariableIdentifierNotFound(String),
|
|
|
|
/// A `FunctionIdentifier` operation did not find its value in the context.
|
|
FunctionIdentifierNotFound(Identifier),
|
|
|
|
/// The function failed due to an external error.
|
|
ToolFailure(String),
|
|
|
|
/// A custom error explained by its message.
|
|
CustomMessage(String),
|
|
}
|
|
|
|
impl Error {
|
|
pub fn expect_tool_argument_amount(
|
|
tool_name: &'static str,
|
|
expected: usize,
|
|
actual: usize,
|
|
) -> Result<()> {
|
|
if expected == actual {
|
|
Ok(())
|
|
} else {
|
|
Err(Error::ExpectedToolArgumentAmount {
|
|
tool_name,
|
|
expected,
|
|
actual,
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
impl From<FromUtf8Error> for Error {
|
|
fn from(value: FromUtf8Error) -> Self {
|
|
Error::ToolFailure(value.to_string())
|
|
}
|
|
}
|
|
|
|
impl From<csv::Error> for Error {
|
|
fn from(value: csv::Error) -> Self {
|
|
Error::ToolFailure(value.to_string())
|
|
}
|
|
}
|
|
|
|
impl From<json::Error> for Error {
|
|
fn from(value: json::Error) -> Self {
|
|
Error::ToolFailure(value.to_string())
|
|
}
|
|
}
|
|
|
|
impl From<io::Error> for Error {
|
|
fn from(value: std::io::Error) -> Self {
|
|
Error::ToolFailure(value.to_string())
|
|
}
|
|
}
|
|
|
|
impl From<reqwest::Error> for Error {
|
|
fn from(value: reqwest::Error) -> Self {
|
|
Error::ToolFailure(value.to_string())
|
|
}
|
|
}
|
|
|
|
impl From<serde_json::Error> for Error {
|
|
fn from(value: serde_json::Error) -> Self {
|
|
Error::ToolFailure(value.to_string())
|
|
}
|
|
}
|
|
|
|
impl From<time::SystemTimeError> for Error {
|
|
fn from(value: time::SystemTimeError) -> Self {
|
|
Error::ToolFailure(value.to_string())
|
|
}
|
|
}
|
|
|
|
impl From<toml::de::Error> for Error {
|
|
fn from(value: toml::de::Error) -> Self {
|
|
Error::ToolFailure(value.to_string())
|
|
}
|
|
}
|
|
|
|
impl std::error::Error for Error {}
|
|
|
|
impl fmt::Debug for Error {
|
|
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
|
|
write!(f, "{self}")
|
|
}
|
|
}
|
|
|
|
impl fmt::Display for Error {
|
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
|
use Error::*;
|
|
|
|
match self {
|
|
AssertEqualFailed { expected, actual } => {
|
|
write!(f, "Equality assertion failed")?;
|
|
|
|
if expected.is_table() {
|
|
write!(f, "\n{expected}\n")?;
|
|
} else {
|
|
write!(f, " {expected} ")?;
|
|
}
|
|
|
|
write!(f, "does not equal")?;
|
|
|
|
if actual.is_table() {
|
|
write!(f, "\n{actual}")
|
|
} else {
|
|
write!(f, " {actual}.")
|
|
}
|
|
},
|
|
AssertFailed => write!(
|
|
f,
|
|
"Assertion failed. A false value was passed to \"assert\"."
|
|
),
|
|
ExpectedOperatorArgumentAmount { expected, actual } => write!(
|
|
f,
|
|
"An operator expected {} arguments, but got {}.",
|
|
expected, actual
|
|
),
|
|
ExpectedToolArgumentAmount {
|
|
tool_name,
|
|
expected,
|
|
actual,
|
|
} => write!(
|
|
f,
|
|
"{tool_name} expected {expected} arguments, but got {actual}.",
|
|
),
|
|
ExpectedAtLeastFunctionArgumentAmount {
|
|
minimum,
|
|
actual,
|
|
identifier,
|
|
} => write!(
|
|
f,
|
|
"{identifier} expected a minimum of {minimum} arguments, but got {actual}.",
|
|
),
|
|
ExpectedString { actual } => {
|
|
write!(f, "Expected a Value::String, but got {:?}.", actual)
|
|
}
|
|
ExpectedInt { actual } => write!(f, "Expected a Value::Int, but got {:?}.", actual),
|
|
ExpectedFloat { actual } => write!(f, "Expected a Value::Float, but got {:?}.", actual),
|
|
ExpectedNumber { actual } => write!(
|
|
f,
|
|
"Expected a Value::Float or Value::Int, but got {:?}.",
|
|
actual
|
|
),
|
|
ExpectedNumberOrString { actual } => write!(
|
|
f,
|
|
"Expected a Value::Number or a Value::String, but got {:?}.",
|
|
actual
|
|
),
|
|
ExpectedBoolean { actual } => {
|
|
write!(f, "Expected a Value::Boolean, but got {:?}.", actual)
|
|
}
|
|
ExpectedList { actual } => write!(f, "Expected a Value::List, but got {:?}.", actual),
|
|
ExpectedMinLengthList {
|
|
minimum_len,
|
|
actual_len,
|
|
} => write!(
|
|
f,
|
|
"Expected a list of at least {minimum_len} values, but got one with {actual_len}.",
|
|
),
|
|
ExpectedFixedLenList {
|
|
expected_len,
|
|
actual,
|
|
} => write!(
|
|
f,
|
|
"Expected a Value::List of len {}, but got {:?}.",
|
|
expected_len, actual
|
|
),
|
|
ExpectedEmpty { actual } => write!(f, "Expected a Value::Empty, but got {:?}.", actual),
|
|
ExpectedMap { actual } => write!(f, "Expected a Value::Map, but got {:?}.", actual),
|
|
ExpectedTable { actual } => write!(f, "Expected a Value::Table, but got {:?}.", actual),
|
|
ExpectedFunction { actual } => {
|
|
write!(f, "Expected Value::Function, but got {:?}.", actual)
|
|
}
|
|
ExpectedCollection { actual } => {
|
|
write!(
|
|
f,
|
|
"Expected a string, list, map or table, but got {:?}.",
|
|
actual
|
|
)
|
|
}
|
|
VariableIdentifierNotFound(identifier) => write!(
|
|
f,
|
|
"Variable identifier is not bound to anything by context: {}.",
|
|
identifier
|
|
),
|
|
FunctionIdentifierNotFound(identifier) => write!(
|
|
f,
|
|
"Function identifier is not bound to anything by context: {}.",
|
|
identifier.inner()
|
|
),
|
|
UnexpectedSyntaxNode {
|
|
expected,
|
|
actual,
|
|
location,
|
|
relevant_source,
|
|
} => write!(
|
|
f,
|
|
"Expected syntax node {expected}, but got {actual} at {location}. Code: {relevant_source} ",
|
|
),
|
|
WrongColumnAmount { expected, actual } => write!(f, "Wrong column amount. Expected {expected} but got {actual}."),
|
|
ToolFailure(message) => write!(f, "{message}"),
|
|
CustomMessage(message) => write!(f, "{message}"),
|
|
}
|
|
}
|
|
}
|