Own-Programming-Language-Tutorial/src/com/annimon/ownlang/parser/ast/ForStatement.java

package com.annimon.ownlang.parser.ast;

/**
 *
 * @author aNNiMON
 */
public final class ForStatement implements Statement {
    
    private final Statement initialization;
    private final Expression termination;
    private final Statement increment;
    private final Statement statement;

    public ForStatement(Statement initialization, Expression termination, Statement increment, Statement block) {
        this.initialization = initialization;
        this.termination = termination;
        this.increment = increment;
        this.statement = block;
    }

    @Override
    public void execute() {
        for (initialization.execute(); termination.eval().asNumber() != 0; increment.execute()) {
            try {
                statement.execute();
            } catch (BreakStatement bs) {
                break;
            } catch (ContinueStatement cs) {
                // continue;
            }
        }
    }

    @Override
    public String toString() {
        return "for " + initialization + ", " + termination + ", " + increment + " " + statement;
    }
}