src/edu/berkeley/fleet/two/ShipDescription.java

   1 package edu.berkeley.fleet.two;
   2 import edu.berkeley.fleet.api.*;
   3 import edu.berkeley.fleet.fpga.verilog.Verilog.PercolatedPort;
   4 import java.io.*;
   5 import java.util.*;
   6
   7 /** NOT YET FINALIZED: A description (specification) of a ship */
   8 public class ShipDescription implements Iterable<DockDescription> {
   9
  10     private String name;
  11     private LinkedHashMap<String,DockDescription> docks         = new LinkedHashMap<String,DockDescription>();
  12     private LinkedHashMap<String,DockDescription> ports = new LinkedHashMap<String,DockDescription>();
  13     private HashMap<String,String>                sections      = new HashMap<String,String>();
  14     private HashMap<String,Constant>              constants     = new HashMap<String,Constant>();
  15
  16     public String getName() { return name; }
  17     public String getSection(String sectionName) { return sections.get(sectionName); }
  18     public DockDescription getDockDescription(String name) { return docks.get(name); }
  19     public Iterator<DockDescription> iterator() { return docks.values().iterator(); }
  20     public Iterable<DockDescription> ports() {
  21         return ports.values();
  22     }
  23
  24     public final LinkedList<PercolatedPort> percolatedPorts = new LinkedList<PercolatedPort>();
  25
  26     public ShipDescription(String name, BufferedReader r) throws IOException {
  27         if (name.endsWith(".ship")) name = name.substring(0, name.length()-".ship".length());
  28         this.name = name;
  29         String sectionName = null;
  30         StringBuffer sb = new StringBuffer();
  31         while(true) {
  32             String s = r.readLine();
  33             if (s==null || s.startsWith("==")) {
  34                 if (sectionName != null) sections.put(sectionName, sb.toString());
  35                 if (s==null) break;
  36                 sb = new StringBuffer();
  37                 sectionName = s.trim();
  38                 while(sectionName.startsWith("="))
  39                     sectionName = sectionName.substring(1);
  40                 while(sectionName.endsWith("="))
  41                     sectionName = sectionName.substring(0, sectionName.length()-1);
  42                 sectionName = sectionName.trim().toLowerCase();
  43                 continue;
  44             }
  45             sb.append(s+"\n");
  46         }
  47         for(String s : sections.keySet())
  48             processSection(s);
  49     }
  50
  51     public Constant getConstant(String name) {
  52         return constants.get(name);
  53     }
  54
  55     private void processSection(String section) throws IOException {
  56         if (section.equals("")) {
  57             BufferedReader br = new BufferedReader(new StringReader(sections.get(section)));
  58             for(String s = br.readLine(); s != null; s = br.readLine()) {
  59                 if (s.trim().length()==0) continue;
  60                 String key = s.substring(0, s.indexOf(':')).trim();
  61                 String val = s.substring(s.indexOf(':')+1).trim();
  62                 if (key.toLowerCase().equals("ship"))
  63                     name = val.trim();
  64             }
  65         } else if (section.equals("constants")) {
  66             BufferedReader br = new BufferedReader(new StringReader(sections.get(section)));
  67             for(String s = br.readLine(); s != null; s = br.readLine()) {
  68                 if (s.indexOf(':')==-1) continue;
  69                 String key = s.substring(0, s.indexOf(':')).trim();
  70                 if (key.startsWith("constant")) {
  71                     String constname = key.substring("constant".length()+1).trim();
  72                     String val       = s.substring(s.indexOf(':')+1).trim();
  73                     constants.put(constname, new Constant(val));
  74                 }
  75             }
  76         } else if (section.equals("ports")) {
  77             BufferedReader br = new BufferedReader(new StringReader(sections.get(section)));
  78             boolean rightSide = false;
  79             DockDescription p = null;
  80             for(String s = br.readLine(); s != null; s = br.readLine()) {
  81                 if (s.trim().length()==0) { rightSide = true; continue; }
  82
  83                 String key = s.substring(0, s.indexOf(':')).trim();
  84                 boolean inbox = false;
  85                 boolean dockless = false;
  86                 key = key.replaceAll("  +", " ");
  87                 if      (key.equals("data in"))   { inbox = true;  }
  88                 else if (key.equals("data out"))  { inbox = false; }
  89                 else if (key.equals("in"))        { inbox = true;  }
  90                 else if (key.equals("dockless out")) { inbox = false; dockless = true; }
  91                 else if (key.equals("out"))       { inbox = false; }
  92                 else if (key.startsWith("percolate")) {
  93                     key = s;
  94                     key = key.substring("percolate".length()+1).trim();
  95                     PercolatedPort.PortType type = null;
  96                     if (key.startsWith("up")) type = PercolatedPort.PortType.UP;
  97                     if (key.startsWith("down")) type = PercolatedPort.PortType.DOWN;
  98                     if (key.startsWith("inout")) type = PercolatedPort.PortType.INOUT;
  99                     key = key.substring(key.indexOf(':')+1).trim();
 100                     String name = key.substring(0, key.indexOf(' '));
 101                     int width = Integer.parseInt(key.substring(key.indexOf(' ')).trim());
 102                     percolatedPorts.add(new PercolatedPort(name, width, type));
 103                     continue;
 104                 }
 105                 else if (key.startsWith("constant")) {
 106                     String constname = key.substring("constant".length()+1).trim();
 107                     String val       = s.substring(s.indexOf(':')+1).trim();
 108                     p.addConstant(constname, new Constant(val));
 109                     continue;
 110                 } else if (key.startsWith("shortcut to")) {
 111                     continue;
 112                 }
 113                 else throw new RuntimeException("unknown port type: \""+key+"\"");
 114
 115                 p = null;
 116                 String val = s.substring(s.indexOf(':')+1).trim();
 117                 String boxname = val.indexOf('.') != -1 ? val.substring(0, val.indexOf('.')) : val;
 118                 String dest    = val.indexOf('.') != -1 ? val.substring(val.indexOf('.')+1)  : "";
 119                 p = docks.get(boxname);
 120                 if (p==null) {
 121                     p = new DockDescription(this, boxname, !rightSide, inbox, dockless);
 122                     ports.put(boxname, p);
 123                     if (!dockless) docks.put(boxname, p);
 124                 }
 125             }
 126         }
 127     }
 128
 129     public void printTeX(PrintWriter pw) throws Exception {
 130         ShipDescription sd = this;
 131         pw.println("\\pagebreak");
 132         pw.println("\\section*{The {\\tt "+sd.getName()+"} Ship}");
 133         pw.println("\\addcontentsline{toc}{subsection}{"+sd.getName()+"}");
 134         String tex = sd.getSection("tex");
 135         /*
 136         for(DockDescription bbd : sd) {
 137             pw.println("{\\bf "+(bbd.isInputDock() ? "Input: " : "Output: ")+"{\\tt "+bbd.getName()+"}}\n\n");
 138         }
 139         */
 140         int boxGap = 5;
 141         int boxHeight = 25;
 142         int boxWidth = 75;
 143
 144         int leftSize = 0;
 145         int rightSize = 0;
 146         for(DockDescription bbd : sd)
 147             if (bbd.isLeft()) leftSize += (boxHeight+boxGap);
 148             else              rightSize += (boxHeight+boxGap);
 149
 150         int totalHeight = Math.max(leftSize, rightSize);
 151         int shipWidth = (int)(boxWidth * 1.5);
 152         int totalWidth = boxGap*2 + boxWidth*2 + shipWidth;
 153
 154         pw.println("");
 155         pw.println("\\begin{center}");
 156         pw.println("\\begin{empfile}["+sd.getName()+"]");
 157         pw.println("\\begin{emp}["+sd.getName()+"]("+(totalWidth+10)+","+(totalHeight+10)+")");
 158         pw.println("  beginfig(1)");
 159         pw.println("      pickup pencircle scaled 1pt;");
 160         pw.println("      draw "+
 161                    "("+((totalWidth-shipWidth)/2)+","+0+")--"+
 162                    "("+((totalWidth-shipWidth)/2)+","+totalHeight+")--"+
 163                    "("+(totalWidth-((totalWidth-shipWidth)/2))+","+totalHeight+")--"+
 164                    "("+(totalWidth-((totalWidth-shipWidth)/2))+","+0+")--"+
 165                    "("+((totalWidth-shipWidth)/2)+","+0+");");
 166         int left = 0;
 167         int right = 0;
 168         for(DockDescription bbd : sd) {
 169             int ypos = (totalHeight - (boxGap/2) - (bbd.isLeft() ? left : right));
 170             int half = (totalWidth-shipWidth)/2;
 171             int p1 = bbd.isLeft() ? (half-5) : ((totalWidth-half)+5);
 172             int p3 = bbd.isLeft() ? (p1 - boxWidth) : (p1 + boxWidth);
 173             if (bbd.isInputDock()) {
 174                 int p1x = p1;
 175                 p1 = p3;
 176                 p3 = p1x;
 177             }
 178             boolean goo = ((bbd.isLeft() && bbd.isInputDock()) || (!bbd.isLeft() && bbd.isOutputDock()));
 179             int p2 = goo ? (p3 - (boxHeight/2)) : (p3 + (boxHeight/2));
 180             if (bbd.isLeft()) left += (boxHeight+boxGap);
 181             else              right += (boxHeight+boxGap);
 182             if (goo) {
 183                 pw.println("      label.rt(btex \\tt "+bbd.getName()+" etex, ("+(p1+3)+","+(ypos-boxHeight/2)+"));");
 184             } else {
 185                 pw.println("      label.lft(btex \\tt "+bbd.getName()+" etex, ("+(p1-3)+","+(ypos-boxHeight/2)+"));");
 186             }
 187             pw.println("      draw "+
 188                        "  ("+p1+","+ypos+")--"+
 189                        "  ("+p2+","+ypos+")--"+
 190                        "  ("+p3+","+(ypos-(boxHeight/2))+")--"+
 191                        "  ("+p2+","+(ypos-boxHeight)+")--"+
 192                        "  ("+p1+","+(ypos-boxHeight)+")--"+
 193                        "  ("+p1+","+ypos+");");
 194             if (bbd.isLeft()) leftSize += boxHeight;
 195             else              rightSize += boxHeight;
 196         }
 197         pw.println("  endfig;");
 198         pw.println("\\end{emp}");
 199         pw.println("\\end{empfile}");
 200         pw.println("\\end{center}");
 201         pw.println("");
 202
 203         if (tex!=null)
 204             pw.println(tex);
 205     }
 206
 207     // FIXME: merge with BitMask
 208     public class Constant {
 209         public long    setbits   = 0;
 210         public long    clearbits = 0;
 211         public boolean signExtend = false;
 212         public int     numberOffset = 0;
 213         public int     numberWidth = 0;
 214         public Constant(String s) {
 215             if (s.startsWith("0x")) {
 216                 setbits = Long.parseLong(s.substring(2), 16);
 217                 clearbits = ~setbits;
 218             } else if (s.length() == 37) {
 219                 for(int i=36; i>=0; i--) {
 220                     char c = s.charAt(36-i);
 221                     switch(c) {
 222                         case '0': clearbits |= (1<<i); break;
 223                         case '1': setbits   |= (1<<i); break;
 224                         case '.': break;
 225                         case 's': signExtend = true;  numberOffset = i; numberWidth++; break;
 226                         case 'u': signExtend = false; numberOffset = i; numberWidth++; break;
 227                     }
 228                 }
 229             } else {
 230                 setbits = Long.parseLong(s);
 231                 clearbits = ~setbits;
 232             }
 233         }
 234     }
 235
 236 }