compiler/io.github.aplcornell.viaduct.syntax.intermediate/QueryNode

QueryNode

class QueryNode(val variable: ObjectVariableNode, val query: QueryNameNode, val arguments: Arguments<AtomicExpressionNode>, val sourceLocation: SourceLocation) : PureExpressionNode

A query method applied to an object.

Constructors

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fun QueryNode(variable: ObjectVariableNode, query: QueryNameNode, arguments: Arguments<AtomicExpressionNode>, sourceLocation: SourceLocation)

Functions

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open override fun copy(children: List<Node>): QueryNode

Returns a shallow copy of this node where the child nodes are replaced by children.

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override fun toDocument(): Document
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fun toDocumentWithMetadata(metadata: Metadata): Document

Returns a pretty representation of this Node where each descendant is decorated using metadata.

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open override fun toSurfaceNode(): QueryNode

override fun toSurfaceNode(metadata: Metadata): ExpressionNode

Returns a representation of this node in the surface syntax.

Properties

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open override val children: Iterable<AtomicExpressionNode>

The list of all children nodes. This is empty for leaf nodes.

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open override val sourceLocation: SourceLocation
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Extensions

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fun Node.deepCopy(): Node

Like Node.copy, but recursively copies all descendant nodes also.

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fun Node.descendants(): Sequence<Node>

Returns this node and all its descendants in post order.

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inline fun <T : Node> Node.descendantsIsInstance(): Sequence<T>

Returns all instances of T contained in this node (which may include this node).

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fun Node.freshVariableNameGenerator(): FreshNameGenerator

A FreshNameGenerator that will avoid all Variable names in this node.

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fun ExpressionNode.readsFrom(nameAnalysis: NameAnalysis, protocols: Set<Protocol>): SelectionConstraint

States whether an expression reads only from the protocols in protocols.