Nice/src/bossa/syntax niceMethod.nice,1.21,1.22

Update of /cvsroot/nice/Nice/src/bossa/syntax
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv11694/src/bossa/syntax

Modified Files:
	niceMethod.nice 
Log Message:
Further refactoring for simplification.


Index: niceMethod.nice
===================================================================
RCS file: /cvsroot/nice/Nice/src/bossa/syntax/niceMethod.nice,v
retrieving revision 1.21
retrieving revision 1.22
diff -C2 -d -r1.21 -r1.22
*** niceMethod.nice	8 Mar 2005 09:48:54 -0000	1.21
--- niceMethod.nice	8 Mar 2005 10:11:09 -0000	1.22
***************
*** 91,95 ****
        return;
  
!     mlsub.typing.Domain ourDomain = nice.tools.typing.Types.domain(this.getType());
  
      for (s : notNull(homonyms))
--- 91,95 ----
        return;
  
!     let ourDomain = nice.tools.typing.Types.domain(this.getType());
  
      for (s : notNull(homonyms))
***************
*** 105,109 ****
            continue;
  
!         mlsub.typing.Domain itsDomain = nice.tools.typing.Types.domain(s.getType());
  
          // Do we have a smaller domain?
--- 105,109 ----
            continue;
  
!         let itsDomain = nice.tools.typing.Types.domain(s.getType());
  
          // Do we have a smaller domain?
***************
*** 118,126 ****
                {
                  if (! nice.tools.typing.Types.covariantSpecialization(s.getType(), this.getType()))
!                   User.error
!                     (returnTypeLocation!=null ? returnTypeLocation : this.location(),
! "The return type should be less precise than the return type of method\n" +
! d + "\ndefined in:\n" +
!                      d.location());
  
                  // d is a specialized version of this.
--- 118,122 ----
                {
                  if (! nice.tools.typing.Types.covariantSpecialization(s.getType(), this.getType()))
! 		  this.reportReturnTypeError(shouldBeLess: true, than: d);
  
                  // d is a specialized version of this.
***************
*** 147,150 ****
--- 143,158 ----
    }
  
+   private UserError reportReturnTypeError
+     (boolean shouldBeLess, MethodDeclaration than)
+   {
+     let message = shouldBeLess ?
+ "This return type should be less precise than the return type of method" :
+ "This return type is less precise than the original return type of method";
+ 
+     return User.error
+       (returnTypeLocation != null ? returnTypeLocation : this.location(),
+        message + "\n" than "\ndefined in:\n" + than.location());
+   }
+ 
    /** Return true if the override of d by this is OK.
        Return false if the override should be ignored.
***************
*** 155,165 ****
    {
      if (! nice.tools.typing.Types.covariantSpecialization(this.getType(), s.getType()))
!       {
! 	User.error
! 	(returnTypeLocation != null ? returnTypeLocation : this.location(),
! "The return type is less precise than the original return type of method\n" +
! 	 d + "\ndefined in:\n" +
! 	 d.location());
!       }
  
      // Check if we are a proper specialization, or if we actually have
--- 163,167 ----
    {
      if (! nice.tools.typing.Types.covariantSpecialization(this.getType(), s.getType()))
!       this.reportReturnTypeError(shouldBeLess: false, than: d);
  
      // Check if we are a proper specialization, or if we actually have



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