暂存

Mr-ChangK · Apr 21, 2017 · fa6590f · fa6590f
1 parent 67a8b47
commit fa6590f
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Showing 8 changed files with 108 additions and 9 deletions.
diff --git a/group17/785396327/4.5/constant/ClassInfo.java b/group17/785396327/4.5/constant/ClassInfo.java
@@ -19,6 +19,11 @@ public int getType() {
         return type;
     }
 
+    @Override
+    public void accept(Visitor visitor) {
+
+    }
+
     public String getClassName() {
         int index = getUtf8Index();
         UTF8Info utf8Info = (UTF8Info)constantPool.getConstantInfo(index);

diff --git a/group17/785396327/4.5/constant/ConstantInfo.java b/group17/785396327/4.5/constant/ConstantInfo.java
@@ -13,19 +13,38 @@ public abstract class ConstantInfo {
     public static final int NAME_AND_TYPE_INFO = 12;
     protected ConstantPool constantPool;
 
-    public ConstantInfo(){
+    public ConstantInfo() {
 
     }
 
     public ConstantInfo(ConstantPool pool) {
         this.constantPool = pool;
     }
+
     public abstract int getType();
 
     public ConstantPool getConstantPool() {
         return constantPool;
     }
-    public ConstantInfo getConstantInfo(int index){
+
+    public ConstantInfo getConstantInfo(int index) {
         return this.constantPool.getConstantInfo(index);
     }
+
+    public abstract void accept(Visitor visitor);
+
+    public interface Visitor {
+        void visitClassInfo(ClassInfo info);
+
+        void visitFieldRef(FieldRefInfo info);
+
+        void visitMethodRef(MethodRefInfo info);
+
+        void visitNameAndType(NameAndTypeInfo info);
+
+        void visitString(StringInfo info);
+
+        void visistUTF8(UTF8Info info);
+
+    }
 }
diff --git a/group17/785396327/4.5/constant/FieldRefInfo.java b/group17/785396327/4.5/constant/FieldRefInfo.java
@@ -15,6 +15,11 @@ public int getType() {
         return type;
     }
 
+    @Override
+    public void accept(Visitor visitor) {
+
+    }
+
     public int getClassInfoIndex() {
         return classInfoIndex;
     }

diff --git a/group17/785396327/4.5/constant/MethodRefInfo.java b/group17/785396327/4.5/constant/MethodRefInfo.java
@@ -3,7 +3,7 @@
 /**
  * Created by IBM on 2017/4/10.
  */
-public class MethodRefInfo extends ConstantInfo {
+public class MethodRefInfo extends ConstantInfo implements ConstantInfo.Visitor {
     private int type = ConstantInfo.METHOD_INFO;
 
     private int classInfoIndex;
@@ -17,32 +17,81 @@ public int getType() {
         return type;
     }
 
+    @Override
+    public void accept(Visitor visitor) {
+        visitor.visitMethodRef(this);
+    }
+
     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;
     }
 
-    public String toString(){
+    public String toString() {
 
-        return getClassName() +" : "+ this.getMethodName() + " : " + this.getNameAndTypeIndex() ;
+        return getClassName() + " : " + this.getMethodName() + " : " + this.getNameAndTypeIndex();
     }
-    public String getClassName(){
+
+    public String getClassName() {
         ConstantPool pool = this.getConstantPool();
-        ClassInfo clzInfo = (ClassInfo)pool.getConstantInfo(this.getClassInfoIndex());
+        ClassInfo clzInfo = (ClassInfo) pool.getConstantInfo(this.getClassInfoIndex());
         return clzInfo.getClassName();
     }
 
-    public String getMethodName(){
+    public String getMethodName() {
         ConstantPool pool = this.getConstantPool();
-        NameAndTypeInfo  typeInfo = (NameAndTypeInfo)pool.getConstantInfo(this.getNameAndTypeIndex());
+        NameAndTypeInfo typeInfo = (NameAndTypeInfo) pool.getConstantInfo(this.getNameAndTypeIndex());
         return typeInfo.getName();
     }
+
+    @Override
+    public void visitClassInfo(ClassInfo info) {
+
+    }
+
+    @Override
+    public void visitFieldRef(FieldRefInfo info) {
+
+    }
+
+    @Override
+    public void visitMethodRef(MethodRefInfo info) {
+        StringBuilder sb = new StringBuilder();
+        sb.append("\t# =   Methodref\t\t\t#")
+                .append(classInfoIndex)
+                .append(".#")
+                .append(nameAndTypeIndex)
+                .append("\t\t// ")
+                .append(getClassName() + ".")
+                .append(((NameAndTypeInfo) getConstantInfo(nameAndTypeIndex)).getName())
+                .append(".")
+                .append(((NameAndTypeInfo) getConstantInfo(nameAndTypeIndex)).getTypeInfo());
+        System.out.println(sb.toString());
+    }
+
+    @Override
+    public void visitNameAndType(NameAndTypeInfo info) {
+
+    }
+
+    @Override
+    public void visitString(StringInfo info) {
+
+    }
+
+    @Override
+    public void visistUTF8(UTF8Info info) {
+
+    }
 }
diff --git a/group17/785396327/4.5/constant/NameAndTypeInfo.java b/group17/785396327/4.5/constant/NameAndTypeInfo.java
@@ -29,6 +29,11 @@ public int getType() {
         return type;
     }
 
+    @Override
+    public void accept(Visitor visitor) {
+
+    }
+
 
     public String getName(){
         ConstantPool pool = this.getConstantPool();

diff --git a/group17/785396327/4.5/constant/NullConstantInfo.java b/group17/785396327/4.5/constant/NullConstantInfo.java
@@ -11,4 +11,9 @@ public NullConstantInfo(){
     public int getType() {
         return -1;
     }
+
+    @Override
+    public void accept(Visitor visitor) {
+
+    }
 }
diff --git a/group17/785396327/4.5/constant/StringInfo.java b/group17/785396327/4.5/constant/StringInfo.java
@@ -14,6 +14,11 @@ public int getType() {
         return type;
     }
 
+    @Override
+    public void accept(Visitor visitor) {
+
+    }
+
     public int getIndex() {
         return index;
     }

diff --git a/group17/785396327/4.5/constant/UTF8Info.java b/group17/785396327/4.5/constant/UTF8Info.java
@@ -19,6 +19,12 @@ public void setLength(int length) {
     public int getType() {
         return type;
     }
+
+    @Override
+    public void accept(Visitor visitor) {
+
+    }
+
     @Override
     public String toString() {
         return "UTF8Info [type=" + type + ", length=" + length + ", value=" + value +")]";