forIterVar

forIterVar

java.lang.NegativeArraySizeException
	at me.qmx.internal.org.objectweb.asm.Frame.a(Unknown Source)
	at me.qmx.internal.org.objectweb.asm.MethodWriter.visitMaxs(Unknown Source)
	at me.qmx.internal.org.objectweb.asm.tree.MethodNode.accept(Unknown Source)
	at me.qmx.internal.org.objectweb.asm.tree.MethodNode.accept(Unknown Source)
	at me.qmx.internal.org.objectweb.asm.tree.ClassNode.accept(Unknown Source)
	at me.qmx.jitescript.JiteClass.toBytes(JiteClass.java:92)
	at org.dynjs.compiler.DynJSCompiler.defineClass(DynJSCompiler.java:124)
	at org.dynjs.compiler.DynJSCompiler.compile(DynJSCompiler.java:114)
	at org.dynjs.runtime.DynJS.execute(DynJS.java:92)
	at org.dynjs.runtime.DynJS.eval(DynJS.java:52)
	at org.dynjs.runtime.DynJSTestRunner.run(DynJSTestRunner.java:83)
	at org.junit.runner.JUnitCore.run(JUnitCore.java:157)
	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:71)
	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:202)
	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:63)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)

ForIterVarStatement.java

/**
 *  Copyright 2011 Douglas Campos
 *  Copyright 2011 dynjs contributors
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 * 	http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.dynjs.parser.statement;

import me.qmx.jitescript.CodeBlock;
import org.dynjs.parser.Statement;
import org.dynjs.runtime.RT;

import static me.qmx.jitescript.CodeBlock.newCodeBlock;
import static me.qmx.jitescript.util.CodegenUtils.p;
import static me.qmx.jitescript.util.CodegenUtils.sig;

public class ForIterVarStatement implements Statement {

    private Statement varDef;
    private Statement expr1;
    private BlockStatement statement;

    public ForIterVarStatement(Statement varDef, Statement expr1, Statement statement) {
        this.varDef = varDef;
        this.expr1 = expr1;
        this.statement = (BlockStatement) statement;
    }

    @Override
    public CodeBlock getCodeBlock() {
        return newCodeBlock()
                .append(varDef.getCodeBlock())
                .label(statement.getBeginLabel())
                .invokedynamic("dynjs:convert:to_boolean", sig(Boolean.class, Object.class), RT.BOOTSTRAP, RT.BOOTSTRAP_ARGS)
                .invokevirtual(p(Boolean.class), "booleanValue", sig(boolean.class))
                .iffalse(statement.getEndLabel())
                .append(statement.getCodeBlock())
                .append(expr1.getCodeBlock())
                .go_to(statement.getBeginLabel())
                .label(statement.getEndLabel());
        //TODO missing implementation
    }
}

statement

public Statement forIterVar(Statement varDef, Statement expr1, Statement statement) {
        return new ForIterVarStatement(varDef, expr1, statement);
    }