avoid NPE

[phpeclipse.git] / net.sourceforge.phpeclipse / src / test / SimpleCharStream.java

diff --git a/net.sourceforge.phpeclipse/src/test/SimpleCharStream.java b/net.sourceforge.phpeclipse/src/test/SimpleCharStream.java
index 1b90e5c..3ccaf79 100644 (file)
--- a/net.sourceforge.phpeclipse/src/test/SimpleCharStream.java
+++ b/net.sourceforge.phpeclipse/src/test/SimpleCharStream.java
@@ -8,34 +8,31 @@ package test;
 
 public class SimpleCharStream
 {
-  public static final boolean staticFlag = true;
-  static int bufsize;
-  static int available;
-  static int tokenBegin;
-  static public int bufpos = -1;
+  public static final boolean staticFlag = false;
+  int bufsize;
+  int available;
+  int tokenBegin;
+  public int bufpos = -1;
 
-  //Added by Matthieu Casanova
-  public static int position = 0;
+  protected int beginOffset, endOffset;
 
-  public static int beginOffset, endOffset;
+  protected int bufline[];
+  protected int bufcolumn[];
 
-  static protected int bufline[];
-  static protected int bufcolumn[];
+  protected int column = 0;
+  protected int line = 1;
 
-  static protected int column = 0;
-  static protected int line = 1;
+  protected boolean prevCharIsCR = false;
+  protected boolean prevCharIsLF = false;
 
-  static protected boolean prevCharIsCR = false;
-  static protected boolean prevCharIsLF = false;
+  protected java.io.Reader inputStream;
 
-  static protected java.io.Reader inputStream;
-  static protected StringBuffer currentBuffer = new StringBuffer();
+  protected char[] buffer;
+  protected int maxNextCharInd = 0;
+  protected int inBuf = 0;
+  protected StringBuffer currentBuffer = new StringBuffer();
 
-  static protected char[] buffer;
-  static protected int maxNextCharInd = 0;
-  static protected int inBuf = 0;
-
-  static protected void ExpandBuff(boolean wrapAround)
+  protected void ExpandBuff(boolean wrapAround)
   {
      char[] newbuffer = new char[bufsize + 2048];
      int newbufline[] = new int[bufsize + 2048];
@@ -85,7 +82,7 @@ public class SimpleCharStream
      tokenBegin = 0;
   }
 
-  static protected void FillBuff() throws java.io.IOException
+  protected void FillBuff() throws java.io.IOException
   {
      if (maxNextCharInd == available)
      {
@@ -134,7 +131,7 @@ public class SimpleCharStream
      }
   }
 
-  static public char BeginToken() throws java.io.IOException
+  public char BeginToken() throws java.io.IOException
   {
      beginOffset = endOffset;
      tokenBegin = -1;
@@ -144,7 +141,7 @@ public class SimpleCharStream
      return c;
   }
 
-  static protected void UpdateLineColumn(char c)
+  protected void UpdateLineColumn(char c)
   {
      column++;
 
@@ -182,10 +179,9 @@ public class SimpleCharStream
 
      bufline[bufpos] = line;
      bufcolumn[bufpos] = column;
-
   }
 
-  static public char readChar() throws java.io.IOException
+  public char readChar() throws java.io.IOException
   {
     endOffset++;
      if (inBuf > 0)
@@ -200,9 +196,8 @@ public class SimpleCharStream
         return buffer[bufpos];
      }
 
-     if (++bufpos >= maxNextCharInd) {
-       FillBuff();
-     }
+     if (++bufpos >= maxNextCharInd)
+        FillBuff();
 
      char c = buffer[bufpos];
 
@@ -211,40 +206,41 @@ public class SimpleCharStream
   }
 
   /**
-   * @deprecated
+   * @deprecated 
    * @see #getEndColumn
    */
 
-  static public int getColumn() {
+  public int getColumn() {
      return bufcolumn[bufpos];
   }
 
   /**
-   * @deprecated
+   * @deprecated 
    * @see #getEndLine
    */
 
-  static public int getLine() {
+  public int getLine() {
      return bufline[bufpos];
   }
 
-  static public int getEndColumn() {
+  public int getEndColumn() {
      return bufcolumn[bufpos];
   }
 
-  static public int getEndLine() {
+  public int getEndLine() {
      return bufline[bufpos];
   }
 
-  static public int getBeginColumn() {
+  public int getBeginColumn() {
      return bufcolumn[tokenBegin];
   }
 
-  static public int getBeginLine() {
+  public int getBeginLine() {
      return bufline[tokenBegin];
   }
 
-  static public void backup(int amount) {
+  public void backup(int amount) {
+
     endOffset -= amount;
     inBuf += amount;
     if ((bufpos -= amount) < 0)
@@ -254,12 +250,8 @@ public class SimpleCharStream
   public SimpleCharStream(java.io.Reader dstream, int startline,
   int startcolumn, int buffersize)
   {
-    if (inputStream != null)
-       throw new Error("\n   ERROR: Second call to the constructor of a static SimpleCharStream.  You must\n" +
-       "       either use ReInit() or set the JavaCC option STATIC to false\n" +
-       "       during the generation of this class.");
     inputStream = dstream;
-    currentBuffer = new StringBuffer();
+      currentBuffer = new StringBuffer();
     line = startline;
     column = startcolumn - 1;
 
@@ -267,9 +259,8 @@ public class SimpleCharStream
     buffer = new char[buffersize];
     bufline = new int[buffersize];
     bufcolumn = new int[buffersize];
-    beginOffset = 1;
-    endOffset = 1;
-
+    beginOffset = 0;
+    endOffset = 0;
   }
 
   public SimpleCharStream(java.io.Reader dstream, int startline,
@@ -301,8 +292,8 @@ public class SimpleCharStream
     tokenBegin = inBuf = maxNextCharInd = 0;
     bufpos = -1;
     position = 0;
-    beginOffset = 1;
-    endOffset = 1;
+    beginOffset = 0;
+    endOffset = 0;
   }
 
   public void ReInit(java.io.Reader dstream, int startline,
@@ -347,7 +338,7 @@ public class SimpleCharStream
   {
      ReInit(dstream, startline, startcolumn, 4096);
   }
-  static public String GetImage()
+  public String GetImage()
   {
      if (bufpos >= tokenBegin)
         return new String(buffer, tokenBegin, bufpos - tokenBegin + 1);
@@ -356,7 +347,7 @@ public class SimpleCharStream
                               new String(buffer, 0, bufpos + 1);
   }
 
-  static public char[] GetSuffix(int len)
+  public char[] GetSuffix(int len)
   {
      char[] ret = new char[len];
 
@@ -372,18 +363,17 @@ public class SimpleCharStream
      return ret;
   }
 
-  static public void Done()
+  public void Done()
   {
      buffer = null;
      bufline = null;
      bufcolumn = null;
-
   }
 
   /**
    * Method to adjust line and column numbers for the start of a token.<BR>
    */
-  static public void adjustBeginLineColumn(int newLine, int newCol)
+  public void adjustBeginLineColumn(int newLine, int newCol)
   {
      int start = tokenBegin;
      int len;
@@ -408,7 +398,7 @@ public class SimpleCharStream
         bufcolumn[j] = newCol + columnDiff;
         columnDiff = nextColDiff;
         i++;
-     }
+     } 
 
      if (i < len)
      {
@@ -417,11 +407,10 @@ public class SimpleCharStream
 
         while (i++ < len)
         {
-           if (bufline[j = start % bufsize] != bufline[++start % bufsize]) {
+           if (bufline[j = start % bufsize] != bufline[++start % bufsize])
               bufline[j] = newLine++;
-           } else {
+           else
               bufline[j] = newLine;
-           }
         }
      }
 
@@ -429,8 +418,25 @@ public class SimpleCharStream
      column = bufcolumn[j];
   }
 
-  //hack
-  public static int getPosition() {
+    public StringBuffer getCurrentBuffer() {
+        return currentBuffer;
+    }
+
+    //Added by Matthieu Casanova
+    public int position = 0;
+  /**
+   * @deprecated
+   * @return
+   */
+  public int getPosition() {
     return position + bufpos;
   }
+
+    public int getBeginOffset() {
+        return beginOffset;
+    }
+
+    public int getEndOffset() {
+        return endOffset;
+    }
 }