Enum yash_syntax::parser::SyntaxError

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#[non_exhaustive]
pub enum SyntaxError {
Show 55 variants    UnclosedParen {
        opening_location: Location,
    },
    InvalidModifier,
    MultipleModifier,
    UnclosedSingleQuote {
        opening_location: Location,
    },
    UnclosedDoubleQuote {
        opening_location: Location,
    },
    UnclosedParam {
        opening_location: Location,
    },
    EmptyParam,
    UnclosedCommandSubstitution {
        opening_location: Location,
    },
    UnclosedBackquote {
        opening_location: Location,
    },
    UnclosedArith {
        opening_location: Location,
    },
    InvalidCommandToken,
    FdOutOfRange,
    MissingRedirOperand,
    MissingHereDocDelimiter,
    MissingHereDocContent,
    UnclosedHereDocContent {
        redir_op_location: Location,
    },
    UnclosedArrayValue {
        opening_location: Location,
    },
    UnclosedGrouping {
        opening_location: Location,
    },
    EmptyGrouping,
    UnclosedSubshell {
        opening_location: Location,
    },
    EmptySubshell,
    UnclosedDoClause {
        opening_location: Location,
    },
    EmptyDoClause,
    MissingForName,
    InvalidForName,
    InvalidForValue,
    MissingForBody {
        opening_location: Location,
    },
    UnclosedWhileClause {
        opening_location: Location,
    },
    EmptyWhileCondition,
    UnclosedUntilClause {
        opening_location: Location,
    },
    EmptyUntilCondition,
    IfMissingThen {
        if_location: Location,
    },
    EmptyIfCondition,
    EmptyIfBody,
    ElifMissingThen {
        elif_location: Location,
    },
    EmptyElifCondition,
    EmptyElifBody,
    EmptyElse,
    UnclosedIf {
        opening_location: Location,
    },
    MissingCaseSubject,
    InvalidCaseSubject,
    MissingIn {
        opening_location: Location,
    },
    UnclosedPatternList,
    MissingPattern,
    InvalidPattern,
    EsacAsPattern,
    UnclosedCase {
        opening_location: Location,
    },
    UnmatchedParenthesis,
    MissingFunctionBody,
    InvalidFunctionBody,
    MissingPipeline(AndOr),
    DoubleNegation,
    BangAfterBar,
    MissingCommandAfterBang,
    MissingCommandAfterBar,
}

Expand description

Types of syntax errors.

Variants (Non-exhaustive)

This enum is marked as non-exhaustive

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

`UnclosedParen`

Fields

opening_location: Location

A ( lacks a closing ).

`InvalidModifier`

A modifier does not have a valid form in a parameter expansion.

`MultipleModifier`

A braced parameter expansion has both a prefix and suffix modifier.

`UnclosedSingleQuote`

Fields

opening_location: Location

A single quotation lacks a closing '.

`UnclosedDoubleQuote`

Fields

opening_location: Location

A double quotation lacks a closing ".

`UnclosedParam`

Fields

opening_location: Location

A parameter expansion lacks a closing }.

`EmptyParam`

A parameter expansion lacks a name.

`UnclosedCommandSubstitution`

Fields

opening_location: Location

A command substitution started with $( but lacks a closing ).

`UnclosedBackquote`

Fields

opening_location: Location

A command substitution started with ` but lacks a closing `.

`UnclosedArith`

Fields

opening_location: Location

An arithmetic expansion lacks a closing )).

`InvalidCommandToken`

A command begins with an inappropriate keyword or operator token.

`FdOutOfRange`

The file descriptor specified for a redirection cannot be used.

`MissingRedirOperand`

A redirection operator is missing its operand.

`MissingHereDocDelimiter`

A here-document operator is missing its delimiter token.

`MissingHereDocContent`

A here-document operator is missing its corresponding content.

`UnclosedHereDocContent`

Fields

redir_op_location: Location

A here-document content is missing its delimiter.

`UnclosedArrayValue`

Fields

opening_location: Location

An array assignment started with =( but lacks a closing ).

`UnclosedGrouping`

Fields

opening_location: Location

A grouping is not closed.

`EmptyGrouping`

A grouping contains no commands.

`UnclosedSubshell`

Fields

opening_location: Location

A subshell is not closed.

`EmptySubshell`

A subshell contains no commands.

`UnclosedDoClause`

Fields

opening_location: Location

A do clause is not closed.

`EmptyDoClause`

A do clause contains no commands.

`MissingForName`

The variable name is missing in a for loop.

`InvalidForName`

The variable name is not a valid word in a for loop.

`InvalidForValue`

A value is not a valid word in a for loop.

`MissingForBody`

Fields

opening_location: Location

A for loop is missing a do clause.

`UnclosedWhileClause`

Fields

opening_location: Location

A while loop is missing a do clause.

`EmptyWhileCondition`

A while loop’s condition is empty.

`UnclosedUntilClause`

Fields

opening_location: Location

An until loop is missing a do clause.

`EmptyUntilCondition`

An until loop’s condition is empty.

`IfMissingThen`

Fields

if_location: Location

An if command is missing the then clause.

`EmptyIfCondition`

An if command’s condition is empty.

`EmptyIfBody`

An if command’s body is empty.

`ElifMissingThen`

Fields

elif_location: Location

An elif clause is missing the then clause.

`EmptyElifCondition`

An elif clause’s condition is empty.

`EmptyElifBody`

An elif clause’s body is empty.

`EmptyElse`

An else clause is empty.

`UnclosedIf`

Fields

opening_location: Location

An if command is not closed.

`MissingCaseSubject`

The case command is missing its subject.

`InvalidCaseSubject`

The subject of the case command is not a valid word.

`MissingIn`

Fields

opening_location: Location

The case command is missing in after the subject.

`UnclosedPatternList`

The ) is missing in a case item.

`MissingPattern`

The pattern is missing in a case item.

`InvalidPattern`

The pattern is not a valid word token.

`EsacAsPattern`

The first pattern of a case item is esac.

`UnclosedCase`

Fields

opening_location: Location

A case command is not closed.

`UnmatchedParenthesis`

The ( is not followed by ) in a function definition.

`MissingFunctionBody`

The function body is missing in a function definition command.

`InvalidFunctionBody`

A function body is not a compound command.

`MissingPipeline(AndOr)`

A pipeline is missing after a && or || token.

`DoubleNegation`

Two successive ! tokens.

`BangAfterBar`

A | token is followed by a !.

`MissingCommandAfterBang`

A command is missing after a ! token.

`MissingCommandAfterBar`

A command is missing after a | token.

Implementations

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impl SyntaxError

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pub fn message(&self) -> &'static str

Returns an error message describing the error.

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pub fn label(&self) -> &'static str

Returns a label for annotating the error location.

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pub fn related_location(&self) -> Option<(&Location, &'static str)>

Returns a location related with the error cause and a message describing the location.

Trait Implementations

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impl Clone for SyntaxError

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fn clone(&self) -> SyntaxError

Returns a copy of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for SyntaxError

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl Display for SyntaxError

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl From<SyntaxError> for ErrorCause

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fn from(e: SyntaxError) -> ErrorCause

Converts to this type from the input type.

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impl PartialEq<SyntaxError> for SyntaxError

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fn eq(&self, other: &SyntaxError) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &SyntaxError) -> bool

This method tests for !=.

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impl Eq for SyntaxError

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impl StructuralEq for SyntaxError

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impl StructuralPartialEq for SyntaxError

Auto Trait Implementations

impl !RefUnwindSafe for SyntaxError

impl !Send for SyntaxError

impl !Sync for SyntaxError

impl Unpin for SyntaxError

impl !UnwindSafe for SyntaxError

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T> ToString for T where
T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.