完成minijvm读取常量池功能

group24/626451284/mini-jvm/src/main/java/com/github/wdn/coding2017/jvm/clz/AccessFlag.java

@@ -0,0 +1,7 @@
+package com.github.wdn.coding2017.jvm.clz;
+
+/**
+ * Created by Administrator on 2017/4/6 0006.
+ */
+public class AccessFlag {
+}

group24/626451284/mini-jvm/src/main/java/com/github/wdn/coding2017/jvm/clz/ClassFile.java

@@ -0,0 +1,60 @@
+package com.github.wdn.coding2017.jvm.clz;
+
+import com.github.wdn.coding2017.jvm.constant.ConstantPool;
+
+/**
+ * Created by Administrator on 2017/4/6 0006.
+ */
+public class ClassFile {
+    private int minorVersion;
+    private int majorVersion;
+    private ConstantPool constantPool;
+    private AccessFlag accessFlag;
+    private ClassIndex classIndex;
+    public void print() {
+    }
+
+    public int getMinorVersion() {
+        return minorVersion;
+    }
+
+    public int getMajorVersion() {
+        return majorVersion;
+    }
+
+    public void setMinorVersion(int minorVersion) {
+        this.minorVersion = minorVersion;
+    }
+
+    public void setMajorVersion(int majorVersion) {
+        this.majorVersion = majorVersion;
+    }
+
+    public ConstantPool getConstantPool() {
+        return constantPool;
+    }
+
+    public void setConstantPool(ConstantPool constantPool) {
+        this.constantPool = constantPool;
+    }
+
+    public AccessFlag getAccessFlag() {
+        return accessFlag;
+    }
+
+    public void setAccessFlag(AccessFlag accessFlag) {
+        this.accessFlag = accessFlag;
+    }
+
+    public ClassIndex getClassIndex() {
+        return classIndex;
+    }
+
+    public void setClassIndex(ClassIndex classIndex) {
+        this.classIndex = classIndex;
+    }
+
+    public ClassIndex getClzIndex() {
+        return null;
+    }
+}

group24/626451284/mini-jvm/src/main/java/com/github/wdn/coding2017/jvm/clz/ClassIndex.java

@@ -0,0 +1,20 @@
+package com.github.wdn.coding2017.jvm.clz;
+
+/**
+ * Created by Administrator on 2017/4/6 0006.
+ */
+public class ClassIndex {
+    private int thisClassIndex;
+    private int superClassIndex;
+    public ClassIndex(int thisClassIndex,int superClassIndex){
+        this.thisClassIndex = thisClassIndex;
+        this.superClassIndex = superClassIndex;
+    }
+    public int getThisClassIndex() {
+        return thisClassIndex;
+    }
+
+    public int getSuperClassIndex() {
+        return superClassIndex;
+    }
+}

group24/626451284/mini-jvm/src/main/java/com/github/wdn/coding2017/jvm/constant/ClassInfo.java

@@ -0,0 +1,35 @@
+package com.github.wdn.coding2017.jvm.constant;
+
+/**
+ * Created by Administrator on 2017/4/6 0006.
+ */
+public class ClassInfo extends ConstantInfo{
+    private int nameIndex;
+    public ClassInfo(ConstantPool constantPool){
+        super(constantPool);
+    }
+    @Override
+    public int getType() {
+        return CLASS_INFO;
+    }
+    @Override
+    public String getValue() {
+        return getConstantPool().getConstantInfo(nameIndex).getValue();
+    }
+
+    public int getNameIndex() {
+        return nameIndex;
+    }
+
+    public void setNameIndex(int nameIndex) {
+        this.nameIndex = nameIndex;
+    }
+
+    public int getUtf8Index() {
+        return 0;
+    }
+
+    public String getClassName() {
+        return getConstantPool().getConstantInfo(nameIndex).getValue();
+    }
+}

group24/626451284/mini-jvm/src/main/java/com/github/wdn/coding2017/jvm/constant/ConstantInfo.java

@@ -0,0 +1,30 @@
+package com.github.wdn.coding2017.jvm.constant;
+
+/**
+ * Created by Administrator on 2017/4/6 0006.
+ */
+public abstract class ConstantInfo {
+    public static final int UTF8_INFO = 1;
+    public static final int FLOAT_INFO = 4;
+    public static final int CLASS_INFO = 7;
+    public static final int STRING_INFO = 8;
+    public static final int FIELD_INFO = 9;
+    public static final int METHOD_INFO = 10;
+    public static final int NAME_AND_TYPE_INFO = 12;
+    protected ConstantPool constantPool;
+    public ConstantInfo(){
+
+    }
+    public ConstantInfo(ConstantPool constantPool){
+        this.constantPool = constantPool;
+    }
+    public abstract int getType();
+    public abstract String getValue();
+    public ConstantPool getConstantPool(){
+        return constantPool;
+    }
+    public ConstantInfo getConstantInfo(int index){
+        return constantPool.getConstantInfo(index);
+    }
+
+}

group24/626451284/mini-jvm/src/main/java/com/github/wdn/coding2017/jvm/constant/ConstantPool.java

@@ -0,0 +1,32 @@
+package com.github.wdn.coding2017.jvm.constant;
+
+
+import java.util.ArrayList;
+
+/**
+ * Created by Administrator on 2017/4/6 0006.
+ */
+public class ConstantPool {
+    public static ArrayList<ConstantInfo> constantPool = new ArrayList<ConstantInfo>();
+    static{
+        constantPool.add(new NullConstantInfo());
+    }
+    public void put(ConstantInfo info){
+        constantPool.add(info);
+    }
+    public int getSize() {
+        return constantPool.size()-1;
+    }
+
+    public ConstantInfo getConstantInfo(int i) {
+        return constantPool.get(i);
+    }
+    @Override
+    public String toString(){
+        StringBuffer stringBuffer = new StringBuffer();
+        for (int i = 1; i < constantPool.size(); i++) {
+            stringBuffer.append("#"+i+"=>"+constantPool.get(i).getValue());
+        }
+        return stringBuffer.toString();
+    }
+}

group24/626451284/mini-jvm/src/main/java/com/github/wdn/coding2017/jvm/constant/FieldRefInfo.java

@@ -0,0 +1,39 @@
+package com.github.wdn.coding2017.jvm.constant;
+
+/**
+ * Created by Administrator on 2017/4/8 0008.
+ */
+public class FieldRefInfo extends ConstantInfo {
+    private int classInfoIndex;
+    private int nameAndTypeIndex;
+
+    public FieldRefInfo(ConstantPool constantPool) {
+        super(constantPool);
+    }
+
+    @Override
+    public int getType() {
+        return FIELD_INFO;
+    }
+
+    @Override
+    public String getValue() {
+        return getConstantPool().getConstantInfo(classInfoIndex).getValue()+getConstantPool().getConstantInfo(nameAndTypeIndex).getValue();
+    }
+
+    public int getClassInfoIndex() {
+        return classInfoIndex;
+    }
+
+    public void setClassInfoIndex(int classInfoIndex) {
+        this.classInfoIndex = classInfoIndex;
+    }
+
+    public int getNameAndTypeIndex() {
+        return nameAndTypeIndex;
+    }
+
+    public void setNameAndTypeIndex(int nameAndTypeIndex) {
+        this.nameAndTypeIndex = nameAndTypeIndex;
+    }
+}

group24/626451284/mini-jvm/src/main/java/com/github/wdn/coding2017/jvm/constant/MethodRefInfo.java

@@ -0,0 +1,37 @@
+package com.github.wdn.coding2017.jvm.constant;
+
+/**
+ * Created by Administrator on 2017/4/8 0008.
+ */
+public class MethodRefInfo extends ConstantInfo {
+    private int classInfoIndex;
+    private int nameAndTypeIndex;
+
+    public MethodRefInfo(ConstantPool constantPool) {
+        super(constantPool);
+    }
+    @Override
+    public int getType() {
+        return METHOD_INFO;
+    }
+    @Override
+    public String getValue() {
+        return getConstantPool().getConstantInfo(classInfoIndex).getValue()+getConstantPool().getConstantInfo(nameAndTypeIndex).getValue();
+    }
+
+    public int getClassInfoIndex() {
+        return classInfoIndex;
+    }
+
+    public void setClassInfoIndex(int classInfoIndex) {
+        this.classInfoIndex = classInfoIndex;
+    }
+
+    public int getNameAndTypeIndex() {
+        return nameAndTypeIndex;
+    }
+
+    public void setNameAndTypeIndex(int nameAndTypeIndex) {
+        this.nameAndTypeIndex = nameAndTypeIndex;
+    }
+}

group24/626451284/mini-jvm/src/main/java/com/github/wdn/coding2017/jvm/constant/NameAndTypeInfo.java

@@ -0,0 +1,38 @@
+package com.github.wdn.coding2017.jvm.constant;
+
+/**
+ * Created by Administrator on 2017/4/8 0008.
+ */
+public class NameAndTypeInfo extends ConstantInfo{
+    private int nameIndex;
+    private int descriptorIndex;
+
+    public NameAndTypeInfo(ConstantPool constantPool) {
+        super(constantPool);
+    }
+
+    @Override
+    public int getType() {
+        return 0;
+    }
+    @Override
+    public String getValue() {
+        return getConstantPool().getConstantInfo(nameIndex).getValue()+getConstantPool().getConstantInfo(descriptorIndex).getValue();
+    }
+
+    public int getNameIndex() {
+        return nameIndex;
+    }
+
+    public void setNameIndex(int nameIndex) {
+        this.nameIndex = nameIndex;
+    }
+
+    public int getDescriptorIndex() {
+        return descriptorIndex;
+    }
+
+    public void setDescriptorIndex(int descriptorIndex) {
+        this.descriptorIndex = descriptorIndex;
+    }
+}

group24/626451284/mini-jvm/src/main/java/com/github/wdn/coding2017/jvm/constant/NullConstantInfo.java

@@ -0,0 +1,14 @@
+package com.github.wdn.coding2017.jvm.constant;
+
+/**
+ * Created by Administrator on 2017/4/8 0008.
+ */
+public class NullConstantInfo extends ConstantInfo {
+    public int getType() {
+        return 0;
+    }
+
+    public String getValue() {
+        return null;
+    }
+}

group24/626451284/mini-jvm/src/main/java/com/github/wdn/coding2017/jvm/constant/StringInfo.java

@@ -0,0 +1,30 @@
+package com.github.wdn.coding2017.jvm.constant;
+
+/**
+ * Created by Administrator on 2017/4/8 0008.
+ */
+public class StringInfo extends ConstantInfo {
+    public StringInfo(ConstantPool constantPool) {
+        super(constantPool);
+    }
+
+    private int stringIndex;
+
+    @Override
+    public int getType() {
+        return 0;
+    }
+
+    @Override
+    public String getValue() {
+        return getConstantPool().getConstantInfo(stringIndex).getValue();
+    }
+
+    public int getStringIndex() {
+        return stringIndex;
+    }
+
+    public void setStringIndex(int stringIndex) {
+        this.stringIndex = stringIndex;
+    }
+}

group24/626451284/mini-jvm/src/main/java/com/github/wdn/coding2017/jvm/constant/UTF8Info.java

@@ -0,0 +1,23 @@
+package com.github.wdn.coding2017.jvm.constant;
+
+/**
+ * Created by Administrator on 2017/4/8 0008.
+ */
+public class UTF8Info extends ConstantInfo{
+    private String value;
+    public UTF8Info(ConstantPool constantPool){
+        super(constantPool);
+    }
+    @Override
+    public int getType() {
+        return UTF8_INFO;
+    }
+    @Override
+    public String getValue() {
+        return value;
+    }
+
+    public void setValue(String value) {
+        this.value = value;
+    }
+}