ponderToolkit.compiler.semantics.expressions
Class AddOp

java.lang.Object
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  +--ponderToolkit.compiler.semantics.expressions.Operator
        |
        +--ponderToolkit.compiler.semantics.expressions.AddOp

public class AddOp

extends Operator

Function: Models an Additive Operator, + or -

Fields inherited from class ponderToolkit.compiler.semantics.expressions.Operator

AND, AT_DOMAIN, CONCURRENCY_AND, CONCURRENCY_OR, CONCURRENCY_PARALLEL, CONCURRENCY_SEQUENTIAL, DIV, DOT, EQUALS, EVENT_OP_AMPER, EVENT_OP_ARROW, EVENT_OP_BAR, EVENT_OP_NO_INTERLEAVE, EVENT_OP_STAR, EVENT_OP_TIME, GREATER_THAN, GREATER_THAN_EQUALS, IMPLIES, LESS_THAN, LESS_THAN_EQUALS, METHOD, MINUS, MULT, NOT, NOT_EQUALS, op, opStr, OR, PLUS, pos, precedence, SET_DIFFERENCE, SET_INTERSECTION, SET_UNION, STAR_DOMAIN, XOR

Constructor Summary

AddOp(java.lang.String opStr, int op, TokenPosition pos)
Constructor

Method Summary

ExprValue

evaluate(ExprValue val1, ExprValue val2) Calculates the result of val1 PLUS val2 and returns a Value If the evaluation can proceed normally (both values are literals) then the result is returned.

Methods inherited from class ponderToolkit.compiler.semantics.expressions.Operator

evaluate, getOpCode, getOpStr, getPos, getPrecedence

Methods inherited from class java.lang.Object

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

Constructor Detail

AddOp

public AddOp(java.lang.String opStr,
             int op,
             TokenPosition pos)

Constructor

Method Detail

evaluate

public ExprValue evaluate(ExprValue val1,
                          ExprValue val2)

Calculates the result of val1 PLUS val2 and returns a Value If the evaluation can proceed normally (both values are literals) then the result is returned. If not, then an AddExpression is created and returned

Overrides:

evaluate in class Operator