CSC448: Transformations [2009/01/27]

The transformations must construct a new AST; they cannot modify the existing AST because the AST classes are immutable.

file:clogs/transform/Phase.java [source] [doc-public] [doc-private]

00001: package clogs.transform;
00002: 
00003: import clogs.ast.*;
00004: import clogs.util.*;
00005: 
00006: 
00007: public abstract class Phase
00008: {
00009:   public boolean printAfterTransform = false;
00010:   public boolean printAfterTransformAndTypeCheck = false;
00011: 
00012:   public abstract List<ExtDecl> transform (List<ExtDecl> edecls);
00013: }
00014:

file:clogs/transform/EmptyPhase.java [source] [doc-public] [doc-private]

00001: package clogs.transform;
00002: 
00003: import clogs.ast.*;
00004: import clogs.util.*;
00005: 
00006: 
00007: public class EmptyPhase extends Phase
00008: {
00009:   public List<ExtDecl> transform (List<ExtDecl> edecls)
00010:   {
00011:     return edecls;
00012:   }
00013: }
00014: 
00015: