Method lengthOf

ij/src/main/java/ij/macro/Functions.java:1959–1992

()

	}

	double lengthOf() {
		int length = 0;
		interp.getLeftParen();
		switch (interp.nextToken()) {
			case STRING_CONSTANT:
			case STRING_FUNCTION:
			case USER_FUNCTION:
				length = getString().length();
				break;
			case WORD:
				if (pgm.code[interp.pc+2]=='[') {
					length = getString().length();
					break;
				}
				interp.getToken();
				Variable v = interp.lookupVariable();
				if (v==null) return 0.0;
				String s = v.getString();
				if (s!=null)
					length = s.length();
				else {
					Variable[] array = v.getArray();
					if (array!=null)
						length = v.getArraySize();
					else
						interp.error("String or array expected");
				}
				break;
			default:
				interp.error("String or array expected");
		}
		interp.getRightParen();
		return length;
	}

	void getCursorLoc() {
		Variable x = getFirstVariable();