/**
* Print a description of the <b>if-then-else</b> construct. If the <b>else</b> part is empty,
* just print an <b>if-then</b> construct.
*
* @param out Where to print the description.
* @param depth How much indentation to use while printing.
*/
@Override
public void printOn(PrintStream out, int depth) {
Indentable.printIndentOnLn(out, depth, "if " + condition + " then ");
whenTrue.printOnSeperateLines(out, depth + 1);
if (whenFalse != null) {
Indentable.printIndentOnLn(out, depth, "else");
whenFalse.printOnSeperateLines(out, depth + 1);
}
Indentable.printIndentOnLn(out, depth, "fi");
}
/**
* Print a description of the <b>repeat-until</b> construct.
*
* @param out Where to print the description.
* @param depth How much indentation to use while printing.
*/
@Override
public void printOn(PrintStream out, int depth) {
Indentable.printIndentOnLn(out, depth, "repeat");
body.printOnSeperateLines(out, depth + 1);
Indentable.printIndentOnLn(out, depth, " until " + expn);
}
/**
* Print <b>return</b> on a line, by itself.
*
* @param out Where to print.
* @param depth How much indentation to use while printing.
*/
@Override
public void printOn(PrintStream out, int depth) {
Indentable.printIndentOn(out, depth);
out.println("return ");
}