Class Assignment

UnLuac/src/unluac/decompile/statement/Assignment.java:14–241

import unluac.decompile.target.Target;

public class Assignment extends Statement {

  private final ArrayList<Target> targets = new ArrayList<Target>(5);
  private final ArrayList<Expression> values = new ArrayList<Expression>(5);
  private final ArrayList<Integer> lines = new ArrayList<Integer>(5);

  private boolean allnil = true;
  private boolean declare = false;
  private int declareStart = 0;
  
  public Assignment() {
    
  }
  
  @Override
  public void walk(Walker w) {
    w.visitStatement(this);
    for(Target target : targets) {
      target.walk(w);
    }
    for(Expression expression : values) {
      expression.walk(w);
    }
  }
  
  @Override
  public boolean beginsWithParen() {
    return !declare && targets.get(0).beginsWithParen();
  }
  
  public Target getFirstTarget() {
    return targets.get(0);
  }
  
  public Target getLastTarget() {
    return targets.get(targets.size() - 1);
  }
  
  public Expression getFirstValue() {
    return values.get(0);
  }
  
  public void replaceLastValue(Expression value) {
    values.set(values.size() - 1, value);
  }
  
  public int getFirstLine() {
    return lines.get(0);
  }
  
  public boolean assignsTarget(Declaration decl) {
    for(Target target : targets) {
      if(target.isDeclaration(decl)) {
        return true;
      }
    }
    return false;
  }