Format whitespace (#86)

* Trim trailing whitespace

* Ensure final new lines

* Convert line endings from CRLF to LF

* Replace tabs with spaces

13 files changed, 39 insertions, 39 deletions

diff --git a/chapter02/src/main/java/com/seaofnodes/simple/GraphVisualizer.java b/chapter02/src/main/java/com/seaofnodes/simple/GraphVisualizer.java
index df128674..4c625be1 100644
--- a/chapter02/src/main/java/com/seaofnodes/simple/GraphVisualizer.java
+++ b/chapter02/src/main/java/com/seaofnodes/simple/GraphVisualizer.java
@@ -21,7 +21,7 @@ public class GraphVisualizer {
         sb.append("/*\n");
         sb.append(parser.src());
         sb.append("\n*/\n");
-        
+
         // To keep the Scopes below the graph and pointing up into the graph we
         // need to group the Nodes in a subgraph cluster, and the scopes into a
         // different subgraph cluster.  THEN we can draw edges between the
@@ -35,13 +35,13 @@ public class GraphVisualizer {
         // Merge multiple edges hitting the same node.  Makes common shared
         // nodes much prettier to look at.
         sb.append("\tconcentrate=\"true\";\n");
-        
+
         // Just the Nodes first, in a cluster no edges
         nodes(sb, all);
 
         // Walk the Node edges
         nodeEdges(sb, all);
-        
+
         sb.append("}\n");
         return sb.toString();
     }
@@ -89,7 +89,7 @@ public class GraphVisualizer {
             }
         }
     }
-    
+
     /**
      * Finds all nodes in the graph.
      */
diff --git a/chapter02/src/main/java/com/seaofnodes/simple/Parser.java b/chapter02/src/main/java/com/seaofnodes/simple/Parser.java
index f5aca5ba..155cd353 100644
--- a/chapter02/src/main/java/com/seaofnodes/simple/Parser.java
+++ b/chapter02/src/main/java/com/seaofnodes/simple/Parser.java
@@ -244,7 +244,7 @@ public class Parser {
             return TypeInteger.constant(Long.parseLong(snum));
         }
 
-        // First letter of an identifier 
+        // First letter of an identifier
         private boolean isIdStart(char ch) {
             return Character.isAlphabetic(ch) || ch == '_';
         }
@@ -260,7 +260,7 @@ public class Parser {
             return new String(_input, start, --_position - start);
         }
 
-        // 
+        //
         private boolean isPunctuation(char ch) {
             return "=;[]<>()+-/*".indexOf(ch) != -1;
         }
diff --git a/chapter02/src/main/java/com/seaofnodes/simple/Utils.java b/chapter02/src/main/java/com/seaofnodes/simple/Utils.java
index 4d663c25..45f15327 100644
--- a/chapter02/src/main/java/com/seaofnodes/simple/Utils.java
+++ b/chapter02/src/main/java/com/seaofnodes/simple/Utils.java
@@ -36,4 +36,4 @@ public class Utils {
                 return i;
         return -1;
     }
-}
\ No newline at end of file
+}
diff --git a/chapter02/src/main/java/com/seaofnodes/simple/node/AddNode.java b/chapter02/src/main/java/com/seaofnodes/simple/node/AddNode.java
index a0376dd4..2d58cb75 100644
--- a/chapter02/src/main/java/com/seaofnodes/simple/node/AddNode.java
+++ b/chapter02/src/main/java/com/seaofnodes/simple/node/AddNode.java
@@ -6,7 +6,7 @@ public class AddNode extends Node {
     public AddNode(Node lhs, Node rhs) { super(null, lhs, rhs); }
 
     @Override public String label() { return "Add"; }
-    
+
     @Override public String glabel() { return "+"; }
 
     @Override
@@ -15,7 +15,7 @@ public class AddNode extends Node {
         in(2)._print0(sb.append("+"));
         return sb.append(")");
     }
-  
+
 
     @Override
     public Type compute() {
@@ -32,5 +32,5 @@ public class AddNode extends Node {
         // TODO: add of 0
         return null;
     }
-        
+
 }
diff --git a/chapter02/src/main/java/com/seaofnodes/simple/node/ConstantNode.java b/chapter02/src/main/java/com/seaofnodes/simple/node/ConstantNode.java
index ec85bf1f..e4d7f412 100644
--- a/chapter02/src/main/java/com/seaofnodes/simple/node/ConstantNode.java
+++ b/chapter02/src/main/java/com/seaofnodes/simple/node/ConstantNode.java
@@ -21,10 +21,10 @@ public class ConstantNode extends Node {
         super(Parser.START);
         _con = type;
     }
-    
+
     @Override
     public String label() { return "#"+_con; }
-  
+
     @Override
     public String uniqueName() { return "Con_" + _nid; }
 
@@ -32,11 +32,11 @@ public class ConstantNode extends Node {
     StringBuilder _print1(StringBuilder sb) {
         return _con._print(sb);
     }
-    
+
     @Override
     public Type compute() { return _con; }
 
     @Override
     public Node idealize() { return null; }
-    
+
 }
diff --git a/chapter02/src/main/java/com/seaofnodes/simple/node/DivNode.java b/chapter02/src/main/java/com/seaofnodes/simple/node/DivNode.java
index 4f502e5f..e3c3616a 100644
--- a/chapter02/src/main/java/com/seaofnodes/simple/node/DivNode.java
+++ b/chapter02/src/main/java/com/seaofnodes/simple/node/DivNode.java
@@ -16,7 +16,7 @@ public class DivNode extends Node {
         in(2)._print0(sb.append("/"));
         return sb.append(")");
     }
-  
+
     @Override
     public Type compute() {
         if (in(1)._type instanceof TypeInteger i0 &&
diff --git a/chapter02/src/main/java/com/seaofnodes/simple/node/MinusNode.java b/chapter02/src/main/java/com/seaofnodes/simple/node/MinusNode.java
index 08924563..0d59ef25 100644
--- a/chapter02/src/main/java/com/seaofnodes/simple/node/MinusNode.java
+++ b/chapter02/src/main/java/com/seaofnodes/simple/node/MinusNode.java
@@ -7,15 +7,15 @@ public class MinusNode extends Node {
     public MinusNode(Node in) { super(null, in); }
 
     @Override public String label() { return "Minus"; }
-  
+
     @Override public String glabel() { return "-"; }
-  
+
     @Override
     StringBuilder _print1(StringBuilder sb) {
         in(1)._print0(sb.append("(-"));
         return sb.append(")");
     }
-  
+
     @Override
     public Type compute() {
         if (in(1)._type instanceof TypeInteger i0)
diff --git a/chapter02/src/main/java/com/seaofnodes/simple/node/MulNode.java b/chapter02/src/main/java/com/seaofnodes/simple/node/MulNode.java
index c6718d27..26c28281 100644
--- a/chapter02/src/main/java/com/seaofnodes/simple/node/MulNode.java
+++ b/chapter02/src/main/java/com/seaofnodes/simple/node/MulNode.java
@@ -7,7 +7,7 @@ public class MulNode extends Node {
     public MulNode(Node lhs, Node rhs) { super(null, lhs, rhs); }
 
     @Override public String label() { return "Mul"; }
-  
+
     @Override public String glabel() { return "*"; }
 
     @Override
diff --git a/chapter02/src/main/java/com/seaofnodes/simple/node/Node.java b/chapter02/src/main/java/com/seaofnodes/simple/node/Node.java
index 960742e8..7e5f2701 100644
--- a/chapter02/src/main/java/com/seaofnodes/simple/node/Node.java
+++ b/chapter02/src/main/java/com/seaofnodes/simple/node/Node.java
@@ -74,9 +74,9 @@ public abstract class Node {
 
 
     // ------------------------------------------------------------------------
-    
+
     // Debugger Printing.
-    
+
     // {@code toString} is what you get in the debugger.  It has to print 1
     // line (because this is what a debugger typically displays by default) and
     // has to be robust with broken graph/nodes.
@@ -103,7 +103,7 @@ public abstract class Node {
     // Every Node implements this.
     abstract StringBuilder _print1(StringBuilder sb);
 
-    
+
     /**
      * Gets the ith input node
      * @param i Offset of the input node
@@ -120,13 +120,13 @@ public abstract class Node {
     public boolean isUnused() { return nOuts() == 0; }
 
     public boolean isCFG() { return false; }
-  
+
 
     /**
      * Change a <em>def</em> into a Node.  Keeps the edges correct, by removing
      * the corresponding <em>use->def</em> edge.  This may make the original
      * <em>def</em> go dead.  This function is co-recursive with {@link #kill}.
-     *     
+     *
      * @param idx which def to set
      * @param new_def the new definition
      * @return new_def for flow coding
@@ -195,7 +195,7 @@ public abstract class Node {
     public final Node peephole( ) {
         // Compute initial or improved Type
         Type type = _type = compute();
-        
+
         if (_disablePeephole)
             return this;        // Peephole optimizations turned off
 
@@ -206,15 +206,15 @@ public abstract class Node {
         }
 
         // Future chapter: Global Value Numbering goes here
-        
+
         // Ask each node for a better replacement
         Node n = idealize();
         if( n != null ) return n;
-        
+
         return this;            // No progress
     }
 
-  
+
     /**
      * This function needs to be
      * <a href="https://en.wikipedia.org/wiki/Monotonic_function">Monotonic</a>
diff --git a/chapter02/src/main/java/com/seaofnodes/simple/node/ReturnNode.java b/chapter02/src/main/java/com/seaofnodes/simple/node/ReturnNode.java
index a0f2e931..7fa470f8 100644
--- a/chapter02/src/main/java/com/seaofnodes/simple/node/ReturnNode.java
+++ b/chapter02/src/main/java/com/seaofnodes/simple/node/ReturnNode.java
@@ -19,7 +19,7 @@ public class ReturnNode extends Node {
 
     public Node ctrl() { return in(0); }
     public Node expr() { return in(1); }
-  
+
     @Override
     public String label() { return "Return"; }
 
@@ -29,7 +29,7 @@ public class ReturnNode extends Node {
     }
 
     @Override public boolean isCFG() { return true; }
-  
+
     @Override
     public Type compute() {
         return Type.BOTTOM;
diff --git a/chapter02/src/main/java/com/seaofnodes/simple/node/SubNode.java b/chapter02/src/main/java/com/seaofnodes/simple/node/SubNode.java
index 6eda4f11..d2e32c61 100644
--- a/chapter02/src/main/java/com/seaofnodes/simple/node/SubNode.java
+++ b/chapter02/src/main/java/com/seaofnodes/simple/node/SubNode.java
@@ -16,7 +16,7 @@ public class SubNode extends Node {
         in(2)._print0(sb.append("-"));
         return sb.append(")");
     }
-  
+
     @Override
     public Type compute() {
         if (in(1)._type instanceof TypeInteger i0 &&
diff --git a/chapter02/src/main/java/com/seaofnodes/simple/type/Type.java b/chapter02/src/main/java/com/seaofnodes/simple/type/Type.java
index 5bd51611..89f6c715 100644
--- a/chapter02/src/main/java/com/seaofnodes/simple/type/Type.java
+++ b/chapter02/src/main/java/com/seaofnodes/simple/type/Type.java
@@ -4,7 +4,7 @@ package com.seaofnodes.simple.type;
 /**
  * These types are part of a Monotone Analysis Framework,
  * @see <a href="https://www.cse.psu.edu/~gxt29/teaching/cse597s21/slides/08monotoneFramework.pdf">see for example this set of slides</a>.
- * <p> 
+ * <p>
  * The types form a lattice; @see <a href="https://en.wikipedia.org/wiki/Lattice_(order)">a symmetric complete bounded (ranked) lattice.</a>
  * <p>
  * This wild lattice theory will be needed later to allow us to easily beef up
@@ -15,7 +15,7 @@ package com.seaofnodes.simple.type;
  * actual implementation is darn near trivial and is generally really obvious
  * what we're doing with it.  Right now, it's just simple integer math to do
  * simple constant folding e.g. 1+2 == 3 stuff.
- */    
+ */
 
 public class Type {
 
diff --git a/chapter02/src/main/java/com/seaofnodes/simple/type/TypeInteger.java b/chapter02/src/main/java/com/seaofnodes/simple/type/TypeInteger.java
index 69fb811c..13f816bf 100644
--- a/chapter02/src/main/java/com/seaofnodes/simple/type/TypeInteger.java
+++ b/chapter02/src/main/java/com/seaofnodes/simple/type/TypeInteger.java
@@ -6,16 +6,16 @@ package com.seaofnodes.simple.type;
 public class TypeInteger extends Type {
 
     public final static TypeInteger ZERO= new TypeInteger(0);
-  
+
     /**
      * The constant value observed for this type
      */
     private final long _con;
 
-    public TypeInteger(long con) { 
-		super(TINT);
-		_con = con; 
-	}
+    public TypeInteger(long con) {
+        super(TINT);
+        _con = con;
+    }
 
     public static TypeInteger constant(long con) { return new TypeInteger(con); }
 
@@ -24,7 +24,7 @@ public class TypeInteger extends Type {
       return _print(new StringBuilder()).toString();
     }
 
-    @Override 
+    @Override
     public StringBuilder _print(StringBuilder sb) { return sb.append(_con); }
 
     @Override