public Boolean ownsBlock(String name) {
for (Block child : children) {
if (child.getName().equals(name)) return true;
}
return false;
}
@Override
public String toString() {
String str = "";
for (Statement statement : statements) str += statement.toString();
for (Block child : children) str += child.getName() + "[" + child.toString() + "]";
return str;
}
public Variable getVariable(String name) throws SyntaxException {
Block block = this;
while (block != null) {
for (Variable var : block.getVariables()) {
if (var.getName().equals(name)) return var;
}
block = block.getParent();
}
throw new SyntaxException("No variable named '" + name + "'.");
}
public Boolean variableExists(String name) {
Block block = this;
while (block.getParent() != null) {
for (Variable var : block.getVariables()) {
if (var.getName().equals(name)) return true;
}
block = block.getParent();
}
return false;
}
public Block getBlock(String name) {
for (Block child : children) {
if (child.getName().equals(name)) return child;
}
Block block;
for (Block child : children) {
if ((block = child.getBlock(name)) != null) return block;
}
return null;
}
public Boolean isFather(Block block) {
for (Block b : children) if (b.equals(block)) return true;
return false;
}
