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ExprFactory

linkrs_query::parser::ast::utils

Struct ExprFactory 

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pub struct ExprFactory;
Expand description

Expression Factory – Used for creating expression nodes

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impl ExprFactory

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pub fn constant( value: Value, ctx: Arc<ExpressionAnalysisContext>, ) -> ContextualExpression

Create a constant expression.

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pub fn variable( name: String, ctx: Arc<ExpressionAnalysisContext>, ) -> ContextualExpression

Create a variable expression.

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pub fn binary( left: ContextualExpression, op: BinaryOperator, right: ContextualExpression, ) -> ContextualExpression

Create a binary expression

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pub fn unary( op: UnaryOperator, operand: ContextualExpression, ) -> ContextualExpression

Create a monomial expression.

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pub fn function_call( name: String, args: Vec<ContextualExpression>, _distinct: bool, ) -> ContextualExpression

Create a function call expression.

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pub fn property_access( object: ContextualExpression, property: String, ) -> ContextualExpression

Creating attribute access expressions

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pub fn list(elements: Vec<ContextualExpression>) -> ContextualExpression

Create a list expression.

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pub fn map(pairs: Vec<(String, ContextualExpression)>) -> ContextualExpression

Create a mapping expression.

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pub fn case( match_expression: Option<ContextualExpression>, when_then_pairs: Vec<(ContextualExpression, ContextualExpression)>, default: Option<ContextualExpression>, ) -> ContextualExpression

Creating a CASE expression

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pub fn subscript( collection: ContextualExpression, index: ContextualExpression, ) -> ContextualExpression

Create an subscript expression.

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pub fn compare( left: ContextualExpression, op: BinaryOperator, right: ContextualExpression, ) -> ContextualExpression

Create a comparative expression

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pub fn logical( left: ContextualExpression, op: BinaryOperator, right: ContextualExpression, ) -> ContextualExpression

Create a logical expression

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pub fn arithmetic( left: ContextualExpression, op: BinaryOperator, right: ContextualExpression, ) -> ContextualExpression

Create arithmetic expressions.

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fn conv<T>(self) -> T
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fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more
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fn from(t: T) -> T

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Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more
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fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R
where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.
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