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git-svn-id: svn://10.0.0.236/trunk@30777 18797224-902f-48f8-a5cc-f745e15eee43
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rogerl%netscape.com
1999-05-07 22:07:22 +00:00
parent 8455e35b97
commit b307b926e7
8 changed files with 165 additions and 52 deletions
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26
mozilla/js/js2/java/RelationalNode.java
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@@ -4,4 +4,30 @@ class RelationalNode extends BinaryNode {
{
super(aOp, aLeft, aRight);
}
void eval(Environment theEnv)
{
super.eval(theEnv);
double dR = theEnv.theStack.pop().d;
double dL = theEnv.theStack.pop().d;
if (op == ">")
theEnv.theStack.push(new StackValue((dL > dR) ? 1 : 0));
else
if (op == ">=")
theEnv.theStack.push(new StackValue((dL >= dR) ? 1 : 0));
else
if (op == "<")
theEnv.theStack.push(new StackValue((dL < dR) ? 1 : 0));
else
if (op == "<=")
theEnv.theStack.push(new StackValue((dL <= dR) ? 1 : 0));
else
if (op == "==")
theEnv.theStack.push(new StackValue((dL == dR) ? 1 : 0));
else
if (op == "!=")
theEnv.theStack.push(new StackValue((dL != dR) ? 1 : 0));
else
System.out.println("missing relational op");
}
}