wyal.lang

Class WyalFile.Expr.Is

java.lang.Object

wybs.lang.SyntacticElement.Impl

wyal.heap.AbstractSyntacticItem

wyal.lang.WyalFile.Expr.Is

All Implemented Interfaces:

Comparable<SyntacticItem>, SyntacticItem, WyalFile.Expr, WyalFile.Stmt, wybs.lang.SyntacticElement

Direct Known Subclasses:

Formula.Is

Enclosing interface:

WyalFile.Expr

public static class WyalFile.Expr.Is
extends AbstractSyntacticItem
implements WyalFile.Expr

Represents a type test expression of the form "e is T" where e is the test expression and T is the test type.

Author:

David J. Pearce

Nested Class Summary

Nested classes/interfaces inherited from class wyal.heap.AbstractSyntacticItem

AbstractSyntacticItem.Blocks, AbstractSyntacticItem.Extras, AbstractSyntacticItem.Operands, AbstractSyntacticItem.Schema

Nested classes/interfaces inherited from interface wyal.lang.WyalFile.Expr

WyalFile.Expr.Addition, WyalFile.Expr.ArrayAccess, WyalFile.Expr.ArrayGenerator, WyalFile.Expr.ArrayInitialiser, WyalFile.Expr.ArrayLength, WyalFile.Expr.ArrayUpdate, WyalFile.Expr.Cast, WyalFile.Expr.Constant, WyalFile.Expr.Dereference, WyalFile.Expr.Division, WyalFile.Expr.Equal, WyalFile.Expr.ExistentialQuantifier, WyalFile.Expr.GreaterThan, WyalFile.Expr.GreaterThanOrEqual, WyalFile.Expr.InfixOperator, WyalFile.Expr.Invoke, WyalFile.Expr.Is, WyalFile.Expr.LessThan, WyalFile.Expr.LessThanOrEqual, WyalFile.Expr.LogicalAnd, WyalFile.Expr.LogicalIff, WyalFile.Expr.LogicalImplication, WyalFile.Expr.LogicalNot, WyalFile.Expr.LogicalOr, WyalFile.Expr.Multiplication, WyalFile.Expr.Negation, WyalFile.Expr.NotEqual, WyalFile.Expr.Operator, WyalFile.Expr.Quantifier, WyalFile.Expr.RecordAccess, WyalFile.Expr.RecordInitialiser, WyalFile.Expr.RecordUpdate, WyalFile.Expr.Remainder, WyalFile.Expr.Subtraction, WyalFile.Expr.UniversalQuantifier, WyalFile.Expr.VariableAccess

Nested classes/interfaces inherited from interface wyal.lang.WyalFile.Stmt

WyalFile.Stmt.Block, WyalFile.Stmt.CaseOf, WyalFile.Stmt.IfThen

Nested classes/interfaces inherited from interface wybs.lang.SyntacticElement

wybs.lang.SyntacticElement.Impl

Field Summary

Fields inherited from class wyal.heap.AbstractSyntacticItem

data

Constructor Summary

Constructors

Constructor and Description
Is(WyalFile.Expr lhs, WyalFile.Type rhs)

Method Summary

Modifier and Type	Method and Description
WyalFile.Expr.Is	clone(SyntacticItem[] operands) Create a new copy of the given syntactic item with the given operands.
WyalFile.Expr	getTestExpr()
WyalFile.Type	getTestType()
String	toString()

Methods inherited from class wyal.heap.AbstractSyntacticItem

allocate, compareTo, equals, getData, getIndex, getOpcode, getOperand, getOperands, getParent, hashCode, setOpcode, setOperand, size

Methods inherited from class wybs.lang.SyntacticElement.Impl

attribute, attributes

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface wyal.lang.SyntacticItem

allocate, getData, getIndex, getOpcode, getOperand, getOperands, getParent, setOpcode, setOperand, size

Methods inherited from interface wybs.lang.SyntacticElement

attribute, attributes

Methods inherited from interface java.lang.Comparable

compareTo

Constructor Detail

Is

public Is(WyalFile.Expr lhs,
          WyalFile.Type rhs)

Method Detail

getTestExpr

public WyalFile.Expr getTestExpr()

getTestType

public WyalFile.Type getTestType()

clone

public WyalFile.Expr.Is clone(SyntacticItem[] operands)

Description copied from interface: SyntacticItem

Create a new copy of the given syntactic item with the given operands. The number of operands must match size() for this item, and be of appropriate type.

Specified by:

clone in interface SyntacticItem

Returns:

toString

public String toString()

Overrides:

toString in class AbstractSyntacticItem