public static Expression of(String s) {
s = s.trim();
int outerPlus = findOuterPlus(s);
if (outerPlus > 0) {
return new SumExpression(
Expression.of(s.substring(0, outerPlus)), Expression.of(s.substring(outerPlus + 1)));
}
if (s.startsWith("(") && s.endsWith(")")) {
return Expression.of(s.substring(1, s.length() - 1));
}
if (s.length() > 0 && Character.isDigit(s.charAt(0))) {
return ConstantExpression.of(s);
}
return VariableExpression.of(s);
}
private Class<?> jitVariableExpression(VariableExpression exp) {
jitReadVariable(exp.variableName);
return exp.subsequentInvocations != null
? jitEvaluatedExpression(exp.subsequentInvocations, false, exp.getVariableType())
: exp.getType();
}
/**
* Assigns a boolean value to a <code>VariableExpression</code>
*
* @param varExp the varaible <i>Expression</i> to assign a value to
* @param bool the boolean value to assign
*/
public void assign(VariableExpression varExp, boolean bool) {
assignments.put(varExp.getName(), new Boolean(bool));
}
