com.bc.jexp
Class Term.Ref

java.lang.Object
  com.bc.jexp.Term
      com.bc.jexp.Term.Ref

Enclosing class:

Term

public static final class Term.Ref
extends Term

A reference to a Symbol.

Nested Class Summary

Nested classes/interfaces inherited from class com.bc.jexp.Term

Term.Add, Term.AndB, Term.AndI, Term.Assign, Term.Binary, Term.BinaryB, Term.BinaryI, Term.BinaryN, Term.Call, Term.Cond, Term.ConstB, Term.ConstD, Term.ConstI, Term.ConstS, Term.Div, Term.EqB, Term.EqD, Term.EqI, Term.GeD, Term.GeI, Term.GtD, Term.GtI, Term.LeD, Term.LeI, Term.LtD, Term.LtI, Term.Mod, Term.Mul, Term.Neg, Term.NEqB, Term.NEqD, Term.NEqI, Term.NotB, Term.NotI, Term.Op, Term.OrB, Term.OrI, Term.Ref, Term.Sub, Term.Unary, Term.UnaryB, Term.UnaryI, Term.UnaryN, Term.XOrI

Field Summary

protected Symbol

symbol

Fields inherited from class com.bc.jexp.Term

TYPE_B, TYPE_D, TYPE_I, TYPE_S

Constructor Summary

Term.Ref(Symbol symbol)

Method Summary

boolean	evalB(EvalEnv env) Evaluates this term to a boolean value.
double	evalD(EvalEnv env) Evaluates this term to a double value.
int	evalI(EvalEnv env) Evaluates this term to an int value.
String	evalS(EvalEnv env) Evaluates this term to a String value.
int	getRetType() Gets the term's "natural" return type.
Symbol	getSymbol()
Variable	getVariable()
String	toString() Returns a string representation of this term which can be used for debugging.

Methods inherited from class com.bc.jexp.Term

getChildren, isB, isD, isI, isN, toB, toB, toD, toI, toI, toS, toS, toS

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

symbol

protected final Symbol symbol

Constructor Detail

Term.Ref

public Term.Ref(Symbol symbol)

Method Detail

getSymbol

public Symbol getSymbol()

getVariable

public Variable getVariable()

getRetType

public int getRetType()

Description copied from class: Term

Gets the term's "natural" return type.

Specified by:

getRetType in class Term

Returns:

the type, should always be one of the TYPE_X constants defined in this class.

evalB

public boolean evalB(EvalEnv env)

Description copied from class: Term

Evaluates this term to a boolean value.

Specified by:

evalB in class Term

Parameters:

env - the application dependant environment.

Returns:

a boolean value

evalI

public int evalI(EvalEnv env)

Description copied from class: Term

Evaluates this term to an int value.

Specified by:

evalI in class Term

Parameters:

env - the application dependant environment.

Returns:

an int value

evalD

public double evalD(EvalEnv env)

Description copied from class: Term

Evaluates this term to a double value.

Specified by:

evalD in class Term

Parameters:

env - the application dependant environment.

Returns:

a double value

evalS

public String evalS(EvalEnv env)

Description copied from class: Term

Evaluates this term to a String value. The default implementation simply returns the value of Term.toString().

Overrides:

evalS in class Term

Parameters:

env - the application dependant environment.

Returns:

a String value

toString

public String toString()

Description copied from class: Term

Returns a string representation of this term which can be used for debugging.

Specified by:

toString in class Term