use crate::common::*;
#[derive(Debug, PartialEq)]
pub(crate) struct CompileError<'src> {
pub(crate) token: Token<'src>,
pub(crate) kind: CompileErrorKind<'src>,
}
impl<'src> CompileError<'src> {
pub(crate) fn context(&self) -> Token<'src> {
self.token
}
}
impl Display for CompileError<'_> {
fn fmt(&self, f: &mut Formatter) -> Result<(), fmt::Error> {
use CompileErrorKind::*;
match &self.kind {
AliasShadowsRecipe { alias, recipe_line } => {
write!(
f,
"Alias `{}` defined on line {} shadows recipe `{}` defined on line {}",
alias,
self.token.line.ordinal(),
alias,
recipe_line.ordinal(),
)?;
}
BacktickShebang => {
write!(f, "Backticks may not start with `#!`")?;
}
CircularRecipeDependency { recipe, ref circle } => {
if circle.len() == 2 {
write!(f, "Recipe `{}` depends on itself", recipe)?;
} else {
write!(
f,
"Recipe `{}` has circular dependency `{}`",
recipe,
circle.join(" -> ")
)?;
}
}
CircularVariableDependency {
variable,
ref circle,
} => {
if circle.len() == 2 {
write!(f, "Variable `{}` is defined in terms of itself", variable)?;
} else {
write!(
f,
"Variable `{}` depends on its own value: `{}`",
variable,
circle.join(" -> ")
)?;
}
}
DependencyArgumentCountMismatch {
dependency,
found,
min,
max,
} => {
write!(
f,
"Dependency `{}` got {} {} but takes ",
dependency,
found,
Count("argument", *found),
)?;
if min == max {
let expected = min;
write!(f, "{} {}", expected, Count("argument", *expected))?;
} else if found < min {
write!(f, "at least {} {}", min, Count("argument", *min))?;
} else {
write!(f, "at most {} {}", max, Count("argument", *max))?;
}
}
DuplicateAlias { alias, first } => {
write!(
f,
"Alias `{}` first defined on line {} is redefined on line {}",
alias,
first.ordinal(),
self.token.line.ordinal(),
)?;
}
DuplicateParameter { recipe, parameter } => {
write!(
f,
"Recipe `{}` has duplicate parameter `{}`",
recipe, parameter
)?;
}
DuplicateRecipe { recipe, first } => {
write!(
f,
"Recipe `{}` first defined on line {} is redefined on line {}",
recipe,
first.ordinal(),
self.token.line.ordinal()
)?;
}
DuplicateSet { setting, first } => {
write!(
f,
"Setting `{}` first set on line {} is redefined on line {}",
setting,
first.ordinal(),
self.token.line.ordinal(),
)?;
}
DuplicateVariable { variable } => {
write!(f, "Variable `{}` has multiple definitions", variable)?;
}
ExpectedKeyword { expected, found } => write!(
f,
"Expected keyword {} but found identifier `{}`",
List::or_ticked(expected),
found
)?,
ExtraLeadingWhitespace => {
write!(f, "Recipe line has extra leading whitespace")?;
}
FunctionArgumentCountMismatch {
function,
found,
expected,
} => {
write!(
f,
"Function `{}` called with {} {} but takes {}",
function,
found,
Count("argument", *found),
expected.display(),
)?;
}
InconsistentLeadingWhitespace { expected, found } => {
write!(
f,
"Recipe line has inconsistent leading whitespace. Recipe started with `{}` but found \
line with `{}`",
ShowWhitespace(expected),
ShowWhitespace(found)
)?;
}
Internal { ref message } => {
write!(
f,
"Internal error, this may indicate a bug in just: {}\n\
consider filing an issue: https://github.com/casey/just/issues/new",
message
)?;
}
InvalidEscapeSequence { character } => {
let representation = match character {
'`' => r"\`".to_owned(),
'\\' => r"\".to_owned(),
'\'' => r"'".to_owned(),
'"' => r#"""#.to_owned(),
_ => character.escape_default().collect(),
};
write!(f, "`\\{}` is not a valid escape sequence", representation)?;
}
MismatchedClosingDelimiter {
open,
open_line,
close,
} => {
write!(
f,
"Mismatched closing delimiter `{}`. (Did you mean to close the `{}` on line {}?)",
close.close(),
open.open(),
open_line.ordinal(),
)?;
}
MixedLeadingWhitespace { whitespace } => {
write!(
f,
"Found a mix of tabs and spaces in leading whitespace: `{}`\nLeading whitespace may \
consist of tabs or spaces, but not both",
ShowWhitespace(whitespace)
)?;
}
ParameterFollowsVariadicParameter { parameter } => {
write!(f, "Parameter `{}` follows variadic parameter", parameter)?;
}
ParameterShadowsVariable { parameter } => {
write!(
f,
"Parameter `{}` shadows variable of the same name",
parameter
)?;
}
RequiredParameterFollowsDefaultParameter { parameter } => {
write!(
f,
"Non-default parameter `{}` follows default parameter",
parameter
)?;
}
UndefinedVariable { variable } => {
write!(f, "Variable `{}` not defined", variable)?;
}
UnexpectedCharacter { expected } => {
write!(f, "Expected character `{}`", expected)?;
}
UnexpectedClosingDelimiter { close } => {
write!(f, "Unexpected closing delimiter `{}`", close.close())?;
}
UnexpectedEndOfToken { expected } => {
write!(f, "Expected character `{}` but found end-of-file", expected)?;
}
UnexpectedToken {
ref expected,
found,
} => {
write!(f, "Expected {}, but found {}", List::or(expected), found)?;
}
UnknownAliasTarget { alias, target } => {
write!(f, "Alias `{}` has an unknown target `{}`", alias, target)?;
}
UnknownDependency { recipe, unknown } => {
write!(
f,
"Recipe `{}` has unknown dependency `{}`",
recipe, unknown
)?;
}
UnknownFunction { function } => {
write!(f, "Call to unknown function `{}`", function)?;
}
UnknownSetting { setting } => {
write!(f, "Unknown setting `{}`", setting)?;
}
UnknownStartOfToken => {
write!(f, "Unknown start of token:")?;
}
UnpairedCarriageReturn => {
write!(f, "Unpaired carriage return")?;
}
UnterminatedBacktick => {
write!(f, "Unterminated backtick")?;
}
UnterminatedInterpolation => {
write!(f, "Unterminated interpolation")?;
}
UnterminatedString => {
write!(f, "Unterminated string")?;
}
}
Ok(())
}
}