Package org.harctoolbox.irp

Class Expression

java.lang.Object

org.harctoolbox.irp.IrpObject

org.harctoolbox.irp.PrimaryItem

org.harctoolbox.irp.Expression

All Implemented Interfaces:

Serializable, EquationSolving, Numerical, XmlExport

public abstract class Expression
extends PrimaryItem

This class corresponds to Chapter 9. An expression is evaluated during execution time with the current name bindings.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final Expression	FALSE
static final Expression	TRUE

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Expression(org.antlr.v4.runtime.tree.ParseTree ctx)

Method Summary

Modifier and Type	Method	Description
protected static long	cBoolean(boolean x)
abstract boolean	constant(NameEngine nameEngine)
boolean	isNumericLiteral()
static Expression	newExpression(long value)
static Expression	newExpression(String str)
static Expression	newExpression(org.antlr.v4.runtime.tree.ParseTree original, IrpParser.ExpressionContext ctx)
static Expression	newExpression(IrpParser.ExpressionContext ctx)
static Expression	newExpression(ParserDriver parserDriver)
static Expression	newExpressionEOF(String str)	Construct an Expression by parsing the argument.
static Expression	newExpressionEOF(ParserDriver parserDriver)
Map<String,Object>	propertiesMap(int noProperties)
Element	toElement(Document document)
long	toLong()
Number	toNumber()
String	toStringTree()
org.antlr.v4.gui.TreeViewer	toTreeViewer()

Methods inherited from class org.harctoolbox.irp.PrimaryItem

invert, leftHandSide, newPrimaryItem, newPrimaryItem, newPrimaryItem, propertiesMap, substituteConstantVariables, toIrpString

Methods inherited from class org.harctoolbox.irp.IrpObject

createParameterSpecs, equals, getParseTree, hashCode, numberOfBits, numberOfBitSpecs, numberOfInfiniteRepeats, prerender, toDocument, toIrpString, toString, toString, toStringTree, toStringTree, toTreeViewer, toTreeViewer, toTreeViewer, updateStateWhenEntering, updateStateWhenExiting, weight

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.harctoolbox.irp.Numerical

toBitwiseParameter, toLong

Field Details

TRUE

public static final Expression TRUE

FALSE

public static final Expression FALSE

Constructor Details

Expression

protected Expression(org.antlr.v4.runtime.tree.ParseTree ctx)

Method Details

newExpression

public static Expression newExpression(long value)

newExpressionEOF

public static Expression newExpressionEOF(String str)
                                   throws IrpParseException

Construct an Expression by parsing the argument.

Parameters:

str -

Returns:

Throws:

IrpParseException

newExpression

public static Expression newExpression(String str)

newExpression

public static Expression newExpression(ParserDriver parserDriver)

newExpressionEOF

public static Expression newExpressionEOF(ParserDriver parserDriver)

newExpression

public static Expression newExpression(IrpParser.ExpressionContext ctx)

newExpression

public static Expression newExpression(org.antlr.v4.runtime.tree.ParseTree original,
 IrpParser.ExpressionContext ctx)

cBoolean

protected static long cBoolean(boolean x)

toStringTree

public String toStringTree()

toTreeViewer

public org.antlr.v4.gui.TreeViewer toTreeViewer()

toLong

public long toLong()
            throws NameUnassignedException

Throws:

NameUnassignedException

toNumber

public Number toNumber()

propertiesMap

public Map<String,Object> propertiesMap(int noProperties)

Overrides:

propertiesMap in class IrpObject

toElement

public Element toElement(Document document)

Specified by:

toElement in interface XmlExport

Overrides:

toElement in class IrpObject

Parameters:

document -

Returns:

isNumericLiteral

public boolean isNumericLiteral()

constant

public abstract boolean constant(NameEngine nameEngine)

Specified by:

constant in class PrimaryItem