Nice/src/bossa/syntax tools.nice,1.104,1.105 scope.nice,1.4,1.5 VarScope.java,1.22,1.23 Node.java,1.68,1.69

Update of /cvsroot/nice/Nice/src/bossa/syntax
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv24573/src/bossa/syntax

Modified Files:
	tools.nice scope.nice VarScope.java Node.java 
Log Message:
Added the nice.tools.visibility package. Use it for global scoping of
(non-type) symbols. No functionality change yet.


Index: tools.nice
===================================================================
RCS file: /cvsroot/nice/Nice/src/bossa/syntax/tools.nice,v
retrieving revision 1.104
retrieving revision 1.105
diff -C2 -d -r1.104 -r1.105
*** tools.nice	6 Mar 2005 01:34:26 -0000	1.104
--- tools.nice	6 Mar 2005 12:55:57 -0000	1.105
***************
*** 220,223 ****
--- 220,226 ----
  GlobalVarScope javaScope() = native Module.javaScope;
  
+ void addSymbol(VarScope, VarSymbol) = native void VarScope.addSymbol(Symbol);
+ void removeSymbol(VarScope, VarSymbol) = native void VarScope.removeSymbol(Symbol);
+ 
  // Local Variables:
  // nice-xprogram: "../bin/nicec -d ../classes"

Index: Node.java
===================================================================
RCS file: /cvsroot/nice/Nice/src/bossa/syntax/Node.java,v
retrieving revision 1.68
retrieving revision 1.69
diff -C2 -d -r1.68 -r1.69
*** Node.java	6 Mar 2005 01:34:26 -0000	1.68
--- Node.java	6 Mar 2005 12:55:57 -0000	1.69
***************
*** 171,176 ****
          this.typeScope = typeOuter;
          break;
!       case down: 
! 	this.scope = new VarScope(outer,varSymbols);
  	this.typeScope = new TypeScope(typeOuter);
  	break;
--- 171,176 ----
          this.typeScope = typeOuter;
          break;
!       case down:
! 	this.scope = VarScope.create(outer, varSymbols);
  	this.typeScope = new TypeScope(typeOuter);
  	break;
***************
*** 182,189 ****
  	this.typeScope = typeOuter;
  	break;
! 	
        case upper:
  	if(outer==null)
! 	  outer = new VarScope(null);
  	outer.addSymbols(varSymbols);
  	this.scope = outer;
--- 182,189 ----
  	this.typeScope = typeOuter;
  	break;
! 
        case upper:
  	if(outer==null)
! 	  outer = VarScope.create(null);
  	outer.addSymbols(varSymbols);
  	this.scope = outer;

Index: VarScope.java
===================================================================
RCS file: /cvsroot/nice/Nice/src/bossa/syntax/VarScope.java,v
retrieving revision 1.22
retrieving revision 1.23
diff -C2 -d -r1.22 -r1.23
*** VarScope.java	6 Mar 2005 01:34:26 -0000	1.22
--- VarScope.java	6 Mar 2005 12:55:57 -0000	1.23
***************
*** 22,45 ****
     @author Daniel Bonniot ([email protected])
  */
! public class VarScope
  {
!   public VarScope(VarScope outer)
!   {
!     this.outer = outer;
!     this.defs = new HashMultiTable();
!   }
!   
!   public VarScope(VarScope outer, 
! 		  Collection /* of VarSymbol */ defs)
!   {
!     this(outer);
!     addSymbols(defs);
!   }
  
-   void addSymbol(/*VarSymbol*/Symbol s)
-   {
-     this.defs.put(s.name,s);
-   }
-   
    /**
       Adds a collection of VarSymbols
--- 22,29 ----
     @author Daniel Bonniot ([email protected])
  */
! public abstract class VarScope
  {
!   abstract void addSymbol(/*VarSymbol*/Symbol s);
  
    /**
       Adds a collection of VarSymbols
***************
*** 57,61 ****
        }
    }
!   
    void removeSymbol(/*VarSymbol*/Symbol sym)
    {
--- 41,81 ----
        }
    }
! 
!   abstract void removeSymbol(/*VarSymbol*/Symbol sym);
! 
!   public abstract List lookup(LocatedString i);
! 
!   abstract List globalLookup(LocatedString i);
! 
!   static VarScope create(VarScope outer)
!   {
!     return new LocalVarScope(outer);
!   }
! 
!   static VarScope create(VarScope outer, Collection /* of VarSymbol */ defs)
!   {
!     return new LocalVarScope(outer, defs);
!   }
! }
! 
! class LocalVarScope extends VarScope
! {
!   public LocalVarScope(VarScope outer)
!   {
!     this.outer = outer;
!     this.defs = new HashMultiTable();
!   }
! 
!   public LocalVarScope(VarScope outer, Collection /* of VarSymbol */ defs)
!   {
!     this(outer);
!     addSymbols(defs);
!   }
! 
!   void addSymbol(/*VarSymbol*/Symbol s)
!   {
!     this.defs.put(s.name,s);
!   }
! 
    void removeSymbol(/*VarSymbol*/Symbol sym)
    {

Index: scope.nice
===================================================================
RCS file: /cvsroot/nice/Nice/src/bossa/syntax/scope.nice,v
retrieving revision 1.4
retrieving revision 1.5
diff -C2 -d -r1.4 -r1.5
*** scope.nice	6 Mar 2005 01:34:26 -0000	1.4
--- scope.nice	6 Mar 2005 12:55:57 -0000	1.5
***************
*** 13,36 ****
  package bossa.syntax;
  
  /**
     The global scope of symbols.
- 
   */
  public class GlobalVarScope extends VarScope
  {
!   lookup(i)
    {
      // If there is any method by that name waiting, load it.
!     loadJavaMethods(i.toString(), this);
  
!     return super;
    }
  
!   globalLookup(i) = this.lookup(i);
  }
  
  VarScope createGlobalVarScope()
  {
!   return new GlobalVarScope(null);
  }
  
--- 13,50 ----
  package bossa.syntax;
  
+ import nice.tools.visibility;
+ 
  /**
     The global scope of symbols.
   */
  public class GlobalVarScope extends VarScope
  {
!   private Scope<VarSymbol> impl = new Scope(name: "", parent: null);
! 
!   addSymbol(VarSymbol sym) = impl.add(sym.getName().toString(), sym);
! 
!   removeSymbol(VarSymbol sym) = impl.remove(sym.getName().toString(), sym);
! 
!   lookup(LocatedString name)
    {
+     let s = name.toString();
+ 
      // If there is any method by that name waiting, load it.
!     loadJavaMethods(s, this);
  
!     let res = impl[s];
! 
!     if (res == null)
!       return Collections.EMPTY_LIST;
!     else
!       return new LinkedList(res);
    }
  
!   globalLookup(name) = this.lookup(name);
  }
  
  VarScope createGlobalVarScope()
  {
!   return new GlobalVarScope();
  }
  



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