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From en...@apache.org
Subject cvs commit: jakarta-bcel/src/java/org/apache/bcel/verifier/statics Pass3aVerifier.java
Date Wed, 20 Aug 2003 12:36:18 GMT
enver       2003/08/20 05:36:17

  Modified:    src/java/org/apache/bcel/verifier/statics
                        Pass3aVerifier.java
  Log:
  Darn obfuscators. Sun really allows them to create multiple fields
  of the same name with different types! So we do, too.
  
  Revision  Changes    Path
  1.5       +16 -9     jakarta-bcel/src/java/org/apache/bcel/verifier/statics/Pass3aVerifier.java
  
  Index: Pass3aVerifier.java
  ===================================================================
  RCS file: /home/cvs/jakarta-bcel/src/java/org/apache/bcel/verifier/statics/Pass3aVerifier.java,v
  retrieving revision 1.4
  retrieving revision 1.5
  diff -u -r1.4 -r1.5
  --- Pass3aVerifier.java	23 May 2003 07:55:34 -0000	1.4
  +++ Pass3aVerifier.java	20 Aug 2003 12:36:17 -0000	1.5
  @@ -505,8 +505,15 @@
   			Field f = null;
   			for (int i=0; i<fields.length; i++){
   				if (fields[i].getName().equals(field_name)){
  -					f = fields[i];
  -					break;
  +				  Type f_type = Type.getType(fields[i].getSignature());
  +				  Type o_type = o.getType(cpg);
  +					/* TODO: Check if assignment compatibility is sufficient.
  +				   * What does Sun do?
  +				   */
  +				  if (f_type.equals(o_type)){
  +						f = fields[i];
  +						break;
  +					}
   				}
   			}
   			if (f == null){
  @@ -518,13 +525,13 @@
   				   What does Sun do? */
   				Type f_type = Type.getType(f.getSignature());
   				Type o_type = o.getType(cpg);
  +								
  +				// Argh. Sun's implementation allows us to have multiple fields of
  +				// the same name but wirth a different signature.
  +				//if (! f_type.equals(o_type)){
  +				//	constraintViolated(o, "Referenced field '"+field_name+"' has type '"+f_type+"' instead
of '"+o_type+"' as expected.");
  +				//}
   				
  -				/* TODO: Is there a way to make BCEL tell us if a field
  -				has a void method's signature, i.e. "()I" instead of "I"? */
  -				
  -				if (! f_type.equals(o_type)){
  -					constraintViolated(o, "Referenced field '"+field_name+"' has type '"+f_type+"' instead
of '"+o_type+"' as expected.");
  -				}
   				/* TODO: Check for access modifiers here. */
   			}
   		    } catch (ClassNotFoundException e) {
  
  
  

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