use super::*;
#[derive(Debug, PartialEq)]
pub(crate) struct CompileError<'src> {
pub(crate) kind: Box<CompileErrorKind<'src>>,
pub(crate) token: Token<'src>,
}
impl<'src> CompileError<'src> {
pub(crate) fn context(&self) -> Token<'src> {
self.token
}
pub(crate) fn new(token: Token<'src>, kind: CompileErrorKind<'src>) -> Self {
Self {
token,
kind: kind.into(),
}
}
pub(crate) fn source(&self) -> Option<&dyn std::error::Error> {
match &*self.kind {
CompileErrorKind::ArgumentPatternRegex { source } => Some(source),
_ => None,
}
}
}
impl Display for CompileError<'_> {
fn fmt(&self, f: &mut Formatter) -> fmt::Result {
use CompileErrorKind::*;
match &*self.kind {
ArgAttributeValueRequiresOption => {
write!(
f,
"argument attribute `value` only valid with `long` or `short`"
)
}
ArgumentPatternRegex { .. } => {
write!(f, "failed to parse argument pattern")
}
AttributeArgumentCountMismatch {
attribute,
found,
min,
max,
} => {
write!(
f,
"attribute `{attribute}` got {found} {} but takes ",
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))
}
}
AttributeArgumentExpression { attribute } => {
write!(
f,
"attribute `{attribute}` arguments must be string literals"
)
}
AttributePositionalFollowsKeyword => {
write!(
f,
"positional attribute arguments cannot follow keyword attribute arguments"
)
}
BacktickShebang => write!(f, "backticks may not start with `#!`"),
CircularRecipeDependency { recipe, circle } => {
if circle.len() == 2 {
write!(f, "recipe `{recipe}` depends on itself")
} else {
write!(
f,
"recipe `{recipe}` has circular dependency `{}`",
circle.join(" -> ")
)
}
}
CircularVariableDependency { variable, circle } => {
if circle.len() == 2 {
write!(f, "variable `{variable}` is defined in terms of itself")
} else {
write!(
f,
"variable `{variable}` depends on its own value: `{}`",
circle.join(" -> "),
)
}
}
DependencyArgumentCountMismatch {
dependency,
found,
min,
max,
} => {
write!(
f,
"dependency `{dependency}` got {found} {} but takes ",
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))
}
}
DuplicateArgAttribute { arg, first } => write!(
f,
"recipe attribute for argument `{arg}` first used on line {} is duplicated on line {}",
first.ordinal(),
self.token.line.ordinal(),
),
DuplicateAttribute { attribute, first } => write!(
f,
"recipe attribute `{attribute}` first used on line {} is duplicated on line {}",
first.ordinal(),
self.token.line.ordinal(),
),
DuplicateDefault { recipe } => write!(
f,
"recipe `{recipe}` has duplicate `[default]` attribute, which may only appear once per module",
),
DuplicateOption { recipe, option } => {
write!(
f,
"recipe `{recipe}` defines option `{option}` multiple times"
)
}
DuplicateParameter { recipe, parameter } => {
write!(f, "recipe `{recipe}` has duplicate parameter `{parameter}`")
}
DuplicateSet { setting, first } => write!(
f,
"setting `{setting}` first set on line {} is redefined on line {}",
first.ordinal(),
self.token.line.ordinal(),
),
DuplicateVariable { variable } => {
write!(f, "variable `{variable}` has multiple definitions")
}
DuplicateUnexport { variable } => {
write!(f, "variable `{variable}` is unexported multiple times")
}
ExitMessageAndNoExitMessageAttribute { recipe } => write!(
f,
"recipe `{recipe}` has both `[exit-message]` and `[no-exit-message]` attributes"
),
ExpectedKeyword { expected, found } => {
let expected = List::or_ticked(expected);
if found.kind == TokenKind::Identifier {
write!(
f,
"expected keyword {expected} but found identifier `{}`",
found.lexeme()
)
} else {
write!(f, "expected keyword {expected} but found `{}`", found.kind)
}
}
ExportUnexported { variable } => {
write!(f, "variable {variable} is both exported and unexported")
}
ExtraLeadingWhitespace => write!(f, "recipe line has extra leading whitespace"),
ExtraneousAttributes { count } => {
write!(f, "extraneous {}", Count("attribute", *count))
}
FunctionArgumentCountMismatch {
function,
arguments,
expected,
} => write!(
f,
"function `{function}` called with {arguments} {} but takes {}",
Count("argument", *arguments),
expected.display(),
),
GuardAndInfallibleSigil => write!(
f,
"the guard `?` and infallible `-` sigils may not be used together"
),
Include => write!(
f,
"the `!include` directive has been stabilized as `import`"
),
InconsistentLeadingWhitespace { expected, found } => write!(
f,
"recipe line has inconsistent leading whitespace, started with `{}` but found line with \
`{}`",
ShowWhitespace(expected),
ShowWhitespace(found)
),
Internal { message } => write!(
f,
"internal error, this may indicate a bug in just: {message}\n\
consider filing an issue: https://github.com/casey/just/issues/new"
),
InvalidAttribute {
item_name,
item_kind,
attribute,
} => write!(
f,
"{item_kind} `{item_name}` has invalid attribute `{}`",
attribute.name(),
),
InvalidEscapeSequence { character } => write!(
f,
"`\\{}` is not a valid escape sequence",
match character {
'`' => "\\`".to_owned(),
'\\' => "\\".to_owned(),
'\'' => "'".to_owned(),
'"' => "\"".to_owned(),
_ => character.escape_default().collect(),
}
),
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)
),
NoCdAndWorkingDirectoryAttribute { recipe } => write!(
f,
"recipe `{recipe}` has both `[no-cd]` and `[working-directory]` attributes"
),
NoCdAndWorkingDirectorySetting {
first,
first_line,
second,
} => write!(
f,
"`{}` set on line {} is incompatible with `{}`",
first.lexeme(),
first_line.ordinal(),
second.lexeme()
),
OptionNameContainsEqualSign { parameter } => {
write!(
f,
"option name for parameter `{parameter}` contains equal sign"
)
}
OptionNameEmpty { parameter } => {
write!(f, "option name for parameter `{parameter}` is empty")
}
ParameterFollowsVariadicParameter { parameter } => {
write!(f, "parameter `{parameter}` follows variadic parameter")
}
ParsingRecursionDepthExceeded => write!(f, "parsing recursion depth exceeded"),
Redefinition {
first,
first_type,
name,
second_type,
} => {
if first_type == second_type {
write!(
f,
"{first_type} `{name}` first defined on line {} is redefined on line {}",
first.ordinal(),
self.token.line.ordinal(),
)
} else {
write!(
f,
"{first_type} `{name}` defined on line {} is redefined as {} {second_type} on line {}",
first.ordinal(),
if *second_type == "alias" { "an" } else { "a" },
self.token.line.ordinal(),
)
}
}
ShellExpansion { err } => write!(f, "shell expansion failed: {err}"),
ShortOptionWithMultipleCharacters { parameter } => {
write!(
f,
"short option name for parameter `{parameter}` contains multiple characters"
)
}
RequiredParameterFollowsDefaultParameter { parameter } => write!(
f,
"non-default parameter `{parameter}` follows default parameter"
),
UndefinedArgAttribute { argument } => {
write!(f, "argument attribute for undefined argument `{argument}`")
}
UndefinedFunction { function } => write!(f, "call to undefined function `{function}`"),
UndefinedVariable { variable } => write!(f, "variable `{variable}` not defined"),
UnexpectedCharacter { expected } => {
write!(f, "expected character {}", List::or_ticked(expected))
}
UnexpectedClosingDelimiter { close } => {
write!(f, "unexpected closing delimiter `{}`", close.close())
}
UnexpectedEndOfToken { expected } => {
write!(
f,
"expected character {} but found end-of-file",
List::or_ticked(expected),
)
}
UnexpectedToken { expected, found } => {
write!(f, "expected {}, but found {found}", List::or(expected))
}
UnicodeEscapeCharacter { character } => {
write!(f, "expected hex digit [0-9A-Fa-f] but found `{character}`")
}
UnicodeEscapeDelimiter { character } => write!(
f,
"expected unicode escape sequence delimiter `{{` but found `{character}`"
),
UnicodeEscapeEmpty => write!(f, "unicode escape sequences must not be empty"),
UnicodeEscapeLength { hex } => write!(
f,
"unicode escape sequence starting with `\\u{{{hex}` longer than six hex digits"
),
UnicodeEscapeRange { hex } => {
write!(
f,
"unicode escape sequence value `{hex}` greater than maximum valid code point `10FFFF`",
)
}
UnicodeEscapeUnterminated => write!(f, "unterminated unicode escape sequence"),
UnknownAliasTarget { alias, target } => {
write!(f, "alias `{alias}` has an unknown target `{target}`")
}
AttributeKeyMissingValue { key } => {
write!(f, "attribute key `{key}` requires value")
}
UnknownAttributeKeyword { attribute, keyword } => {
write!(f, "unknown keyword `{keyword}` for `{attribute}` attribute")
}
UnknownAttribute { attribute } => write!(f, "unknown attribute `{attribute}`"),
UnknownDependency { recipe, unknown } => {
write!(f, "recipe `{recipe}` has unknown dependency `{unknown}`")
}
UnknownSetting { setting } => write!(f, "unknown setting `{setting}`"),
UnknownStartOfToken { start } => {
write!(f, "unknown start of token '{start}'")?;
if !start.is_ascii_graphic() {
write!(f, " (U+{:04X})", *start as u32)?;
}
Ok(())
}
UnpairedCarriageReturn => write!(f, "unpaired carriage return"),
UnterminatedBacktick => write!(f, "unterminated backtick"),
UnterminatedInterpolation => write!(f, "unterminated interpolation"),
UnterminatedString => write!(f, "unterminated string"),
VariadicParameterWithOption => write!(f, "variadic parameters may not be options"),
}
}
}