PipelineAst Class

Definition

The ast that repesents a PowerShell pipeline, e.g. gci -re . *.cs | select-string Foo or 65..90 | % { [char]$_ }. A pipeline must have at least 1 command. The first command may be an expression or a command invocation.

public ref class PipelineAst : System::Management::Automation::Language::PipelineBaseAst
public class PipelineAst : System.Management.Automation.Language.PipelineBaseAst
public class PipelineAst : System.Management.Automation.Language.ChainableAst
type PipelineAst = class
    inherit PipelineBaseAst
type PipelineAst = class
    inherit ChainableAst
Public Class PipelineAst
Inherits PipelineBaseAst
Public Class PipelineAst
Inherits ChainableAst
Inheritance
Inheritance

Constructors

PipelineAst(IScriptExtent, CommandBaseAst)

Construct a pipeline from a single command.

PipelineAst(IScriptExtent, CommandBaseAst, Boolean)

Construct a pipeline from a single command.

PipelineAst(IScriptExtent, IEnumerable<CommandBaseAst>)

Construct a pipeline from a collection of commands.

PipelineAst(IScriptExtent, IEnumerable<CommandBaseAst>, Boolean)

Construct a pipeline from a collection of commands.

Properties

Background

Indicates that this pipeline should be run in the background.

Extent

The extent in the source this ast represents.

(Inherited from Ast)
Parent

The parent tree for this node.

(Inherited from Ast)
PipelineElements

A non-null, non-empty collection of commands that represent the pipeline.

Methods

Copy()

Copy the PipelineAst instance

Find(Func<Ast,Boolean>, Boolean)

Traverse the entire Ast, returning the first node in the tree for which predicate returns true.

(Inherited from Ast)
FindAll(Func<Ast,Boolean>, Boolean)

Traverse the entire Ast, returning all nodes in the tree for which predicate returns true.

(Inherited from Ast)
GetPureExpression()

If the pipeline represents a pure expression, the expression is returned, otherwise null is returned.

SafeGetValue()

Constructs the resultant object from the AST and returns it if it is safe.

(Inherited from Ast)
ToString()

Formats the ast and returns a string.

(Inherited from Ast)
Visit(AstVisitor)

Visit each node in the Ast, calling the methods in astVisitor for each node in the ast.

(Inherited from Ast)
Visit(ICustomAstVisitor)

Visit the Ast using a visitor that can choose how the tree traversal is performed. This visit method is for advanced uses of the visitor pattern where an AstVisitor is insufficient.

(Inherited from Ast)

Applies to