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Dillig: add handling of annotations 

git-svn-id: https://wala.svn.sourceforge.net/svnroot/wala/trunk@1529 f5eafffb-2e1d-0410-98e4-8ec43c5233c4
This commit is contained in:
yahave 2007-07-20 21:35:04 +00:00
parent c149635f44
commit ecf64b2f76
1 changed files with 72 additions and 9 deletions
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81
com.ibm.wala.shrike/src/com/ibm/wala/shrikeCT/RuntimeInvisibleAnnotationsReader.java
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@ -10,6 +10,8 @@
*******************************************************************************/
package com.ibm.wala.shrikeCT;
import java.util.HashMap;
/**
* This class reads RuntimeInvisibleAnnotations attributes.
*
@ -84,15 +86,6 @@ public final class RuntimeInvisibleAnnotationsReader extends AttributeReader {
return offset - begin;
}
/**
* @return the size, in bytes, of the element-value structure starting at a
* given offset
* @throws UnimplementedException
*
*/
private int getElementValueSize(int begin) throws UnimplementedException {
throw new UnimplementedException();
}
/**
* temporary migration aid until I've implemented everything.
@ -112,4 +105,74 @@ public final class RuntimeInvisibleAnnotationsReader extends AttributeReader {
int cpOffset = cr.getUShort(offset);
return cr.getCP().getCPUtf8(cpOffset);
}
public static final int INT_TYPE = 3;
public static final int STRING_TYPE = 1;
/*
* This method maps the internal type representation of
* annotation types to java types and stringifies all
* annotations.
*/
private String getFromConstantPool(int offset)
{
byte type = cr.getCP().getItemType(cr.getByte(offset));
if(type == INT_TYPE)
{
String res = "";
try{
res = ""+cr.getCP().getCPInt(cr.getByte(offset));
}
catch(Exception e) {}
return res;
}
if(type == STRING_TYPE)
{
String res = "";
try{
res = cr.getCP().getCPUtf8(cr.getByte(offset));
}
catch(Exception e) {}
return res;
}
return "";
}
/**
* This method returns all the annotations as map key->stringified value
* starting at the index begin in the class file.
* @param begin
* @return HashMap<String, String>
*/
public HashMap<String, String> getAnnotationValues(int begin)
{
HashMap<String, String> res = new HashMap<String, String>();
int offset = begin + 2;
int numElementValuePairs = cr.getUShort(offset);
offset += 3;
for (int i = 0; i < numElementValuePairs; i++) {
String res1 = getFromConstantPool(offset);
offset += 3;
String res2 = getFromConstantPool(offset);
offset += 2;
res.put(res1, res2);
}
return res;
}
/**
* @return the size, in bytes, of the element-value structure starting at a
* given offset
*
*
*/
private int getElementValueSize(int begin) {
return 3; //this is correct for any primitive type annotations.
//TODO: Integrate array annotations
}
}