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package sun.tools.tree;

import sun.tools.java.*;
import java.util.Hashtable;

WARNING: The contents of this source file are not part of any supported API. Code that depends on them does so at its own risk: they are subject to change or removal without notice.
/** * WARNING: The contents of this source file are not part of any * supported API. Code that depends on them does so at its own risk: * they are subject to change or removal without notice. */
abstract public class BinaryLogicalExpression extends BinaryExpression {
constructor
/** * constructor */
public BinaryLogicalExpression(int op, long where, Expression left, Expression right) { super(op, where, Type.tBoolean, left, right); }
Check a binary expression
/** * Check a binary expression */
public Vset checkValue(Environment env, Context ctx, Vset vset, Hashtable<Object, Object> exp) { ConditionVars cvars = new ConditionVars(); // evaluate the logical expression, determining which variables are // set if the resulting value is true or false checkCondition(env, ctx, vset, exp, cvars); // return the intersection. return cvars.vsTrue.join(cvars.vsFalse); } /* * Every subclass of this class must define a genuine implementation * of this method. It cannot inherit the method of Expression. */ abstract public void checkCondition(Environment env, Context ctx, Vset vset, Hashtable<Object, Object> exp, ConditionVars cvars);
Inline
/** * Inline */
public Expression inline(Environment env, Context ctx) { left = left.inlineValue(env, ctx); right = right.inlineValue(env, ctx); return this; } }