Robust/src/IR/Tree/BlockNode.java

   1 package IR.Tree;
   2 import java.util.Vector;
   3
   4 class BlockNode extends TreeNode {
   5     Vector blockstatements;
   6     int printStyle=0;
   7     public final static int NORMAL=0;
   8     public final static int NOBRACES=1;
   9     public final static int EXPRLIST=2;
  10
  11     public BlockNode() {
  12         blockstatements=new Vector();
  13     }
  14
  15     public void addBlockStatement(BlockStatementNode bsn) {
  16         blockstatements.add(bsn);
  17     }
  18     public void setStyle(int style) {
  19         printStyle=style;
  20     }
  21
  22     public String printNode(int indent) {
  23         if (printStyle==NORMAL) {
  24             String st="{\n";
  25             for(int i=0;i<blockstatements.size();i++) {
  26                 BlockStatementNode bsn=(BlockStatementNode)blockstatements.get(i);
  27                 st+=printSpace(indent+INDENT)+bsn.printNode(indent+INDENT);
  28                 if (!((bsn instanceof SubBlockNode)||
  29                       (bsn instanceof LoopNode)||
  30                       (bsn instanceof IfStatementNode)))
  31                     st+=";\n";
  32                 if (bsn instanceof IfStatementNode)
  33                     st+="\n";
  34             }
  35             st+=printSpace(indent)+"}";
  36             return st;
  37         } else if (printStyle==NOBRACES) {
  38             String st="";
  39             for(int i=0;i<blockstatements.size();i++) {
  40                 BlockStatementNode bsn=(BlockStatementNode)blockstatements.get(i);
  41                 st+=printSpace(indent)+bsn.printNode(indent);
  42                 if (!((bsn instanceof SubBlockNode)||
  43                       (bsn instanceof LoopNode)||
  44                       (bsn instanceof IfStatementNode)))
  45                     st+=";";
  46             }
  47             return st;
  48         } else if (printStyle==EXPRLIST) {
  49             String st="";
  50             for(int i=0;i<blockstatements.size();i++) {
  51                 BlockStatementNode bsn=(BlockStatementNode)blockstatements.get(i);
  52                 st+=bsn.printNode(0);
  53                 if ((i+1)!=blockstatements.size())
  54                     st+=", ";
  55             }
  56             return st;
  57         } else throw new Error();
  58     }
  59 }