use super::*;
#[derive(Debug, PartialEq)]
pub(crate) struct CompileError<'src> {
pub(crate) token: Token<'src>,
pub(crate) kind: Box<CompileErrorKind<'src>>,
}
impl<'src> CompileError<'src> {
pub(crate) fn context(&self) -> Token<'src> {
self.token
}
pub(crate) fn new(token: Token<'src>, kind: CompileErrorKind<'src>) -> CompileError<'src> {
Self {
token,
kind: Box::new(kind),
}
}
}
fn capitalize(s: &str) -> String {
let mut chars = s.chars();
match chars.next() {
None => String::new(),
Some(first) => first.to_uppercase().collect::<String>() + chars.as_str(),
}
}
impl Display for CompileError<'_> {
fn fmt(&self, f: &mut Formatter) -> Result<(), fmt::Error> {
use CompileErrorKind::*;
match &*self.kind {
AliasInvalidAttribute { alias, attr } => write!(
f,
"Alias {alias} has an invalid attribute `{}`",
attr.to_str(),
),
AliasShadowsRecipe { alias, recipe_line } => write!(
f,
"Alias `{alias}` defined on line {} shadows recipe `{alias}` defined on line {}",
self.token.line.ordinal(),
recipe_line.ordinal(),
),
BacktickShebang => write!(f, "Backticks may not start with `#!`"),
CircularRecipeDependency { recipe, ref circle } => {
if circle.len() == 2 {
write!(f, "Recipe `{recipe}` depends on itself")
} else {
write!(
f,
"Recipe `{recipe}` has circular dependency `{}`",
circle.join(" -> ")
)
}
}
CircularVariableDependency {
variable,
ref 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))
}
}
DuplicateAttribute { attribute, first } => write!(
f,
"Recipe attribute `{attribute}` first used on line {} is duplicated on line {}",
first.ordinal(),
self.token.line.ordinal(),
),
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")
}
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)
}
}
ExtraLeadingWhitespace => write!(f, "Recipe line has extra leading whitespace"),
FunctionArgumentCountMismatch {
function,
found,
expected,
} => write!(
f,
"Function `{function}` called with {found} {} but takes {}",
Count("argument", *found),
expected.display(),
),
Include => write!(
f,
"The `!include` directive has been stabilized as `import`"
),
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: {message}\n\
consider filing an issue: https://github.com/casey/just/issues/new"
),
InvalidEscapeSequence { character } => write!(
f,
"`\\{}` is not a valid escape sequence",
match character {
'`' => r"\`".to_owned(),
'\\' => r"\".to_owned(),
'\'' => r"'".to_owned(),
'"' => r#"""#.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)
),
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,
"{} `{name}` first defined on line {} is redefined on line {}",
capitalize(first_type),
first.ordinal(),
self.token.line.ordinal(),
)
} else {
write!(
f,
"{} `{name}` defined on line {} is redefined as {} {second_type} on line {}",
capitalize(first_type),
first.ordinal(),
if *second_type == "alias" { "an" } else { "a" },
self.token.line.ordinal(),
)
}
}
RequiredParameterFollowsDefaultParameter { parameter } => write!(
f,
"Non-default parameter `{parameter}` follows default parameter"
),
UndefinedVariable { variable } => write!(f, "Variable `{variable}` not defined"),
UnexpectedCharacter { expected } => write!(f, "Expected character `{expected}`"),
UnexpectedClosingDelimiter { close } => {
write!(f, "Unexpected closing delimiter `{}`", close.close())
}
UnexpectedEndOfToken { expected } => {
write!(f, "Expected character `{expected}` but found end-of-file")
}
UnexpectedToken {
ref expected,
found,
} => write!(f, "Expected {}, but found {found}", List::or(expected)),
UnknownAliasTarget { alias, target } => {
write!(f, "Alias `{alias}` has an unknown target `{target}`")
}
UnknownAttribute { attribute } => write!(f, "Unknown attribute `{attribute}`"),
UnknownDependency { recipe, unknown } => {
write!(f, "Recipe `{recipe}` has unknown dependency `{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"),
}
}
}