From 89d4b110502e3062d19d0dc20ef75de3e785c681 Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mark@klomp.org>
Date: Sun, 11 Nov 2001 16:07:09 +0000
Subject:         * doc/vmintegration.texinfo: Add gcj, kissme and small
 explanation of         VMObject, VMClassLoader, VMSystem and
 VMSecurityManager         * java/lang/Boolean.java (TYPE):
 VMClassLoader.getPrimitiveClass(char)         * java/lang/Byte.java (TYPE):
 Likewise         * java/lang/Character.java (TYPE): Likewise         *
 java/lang/Double.java (TYPE): Likewise         * java/lang/Float.java (TYPE):
 Likewise         * java/lang/Integer.java (TYPE): Likewise         *
 java/lang/Long.java (TYPE): Likewise         * java/lang/Short.java (TYPE):
 Likewise         * java/lang/Void.java (TYPE): Likewise         *
 vm/reference/java/lang/VMClassLoader.java (getPrimitiveClass(char)):        
 new method

---
 vm/reference/java/lang/VMClassLoader.java | 81 ++++++++++++++++++++++++++++---
 1 file changed, 73 insertions(+), 8 deletions(-)

(limited to 'vm')

diff --git a/vm/reference/java/lang/VMClassLoader.java b/vm/reference/java/lang/VMClassLoader.java
index 144e15980..8bac0456f 100644
--- a/vm/reference/java/lang/VMClassLoader.java
+++ b/vm/reference/java/lang/VMClassLoader.java
@@ -1,6 +1,6 @@
 /*
  * java.lang.ClassLoader: part of the Java Class Libraries project.
- * Copyright (C) 1998 Free Software Foundation
+ * Copyright (C) 1998, 2001 Free Software Foundation
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ -25,7 +25,7 @@ package java.lang;
  * on behalf of java.lang.ClassLoader.
  *
  * @author John Keiser
- * @version 1.1.0, Sep 22 1998
+ * @author Mark Wielaard (mark@klomp.org)
  * @since CP1.1
  */
 
@@ -39,7 +39,8 @@ class VMClassLoader {
      * @param offset the offset into the data where the classfile starts.
      * @param len the length of the classfile data in the array.
      * @return the class that was defined.
-     * @exception ClassFormatError if the byte array is not in proper classfile format.
+     * @exception ClassFormatError if the byte array is not in proper
+     *            classfile format.
      */
     final static native Class defineClass(ClassLoader cl, String name, 
 	     byte[] data, int offset, int len) throws ClassFormatError;
@@ -51,13 +52,77 @@ class VMClassLoader {
     final static native void resolveClass(Class c);
 
     /** 
-     * Helper for java.lang.Integer, Byte, etc. to get the TYPE class
-     * at initialization time.  If there are multiple classloaders, this
-     * method may be called once per ClassLoader per type.
+     * Helper for java.lang.Integer, Byte, etc to get the TYPE class
+     * at initialization time. The type code is one of the chars that
+     * represents the primitive type as in JNI.
      *
-     * @param type name of the primitive type; i.e. "int", "byte", etc.
+     * <ul>
+     * <li>'Z' - boolean</li>
+     * <li>'B' - byte</li>
+     * <li>'C' - char</li>
+     * <li>'D' - double</li>
+     * <li>'F' - float</li>
+     * <li>'I' - int</li>
+     * <li>'J' - long</li>
+     * <li>'S' - short</li>
+     * <li>'V' - void</li>
+     * </ul>
+     *
+     * Note that this is currently a java version that converts the type code
+     * to a string and calls the native <code>getPrimitiveClass(String)</code>
+     * method for backwards compatibility with VMs that used old versions of
+     * GNU Classpath. Please replace this method with a native method
+     * <code>final static native Class getPrimitiveClass(char type);</code>
+     * if your VM supports it. <strong>The java version of this method and
+     * the String version of this method will disappear in a future version
+     * of GNU Classpath</strong>.
+     *
+     * @param type the primitive type
      * @return a "bogus" class representing the primitive type.
      */
-    final static native Class getPrimitiveClass(String type);
+    final static Class getPrimitiveClass(char type)
+    {
+      String t;
+      switch (type) {
+	case 'Z':
+	  t = "boolean";
+	  break;
+	case 'B':
+	  t = "byte";
+	  break;
+	case 'C':
+	  t = "char";
+	  break;
+	case 'D':
+	  t = "double";
+	  break;
+	case 'F':
+	  t = "float";
+	  break;
+	case 'I':
+	  t = "int";
+	  break;
+	case 'J':
+	  t = "long";
+	  break;
+	case 'S':
+	  t = "short";
+	  break;
+	case 'V':
+	  t = "void";
+	  break;
+	default:
+	  throw new NoClassDefFoundError("Invalid type specifier: " + type);
+      }
+      return getPrimitiveClass(t);
+    }
 
+    /**
+     * Old version of the interface, added here for backwards compatibility.
+     * Called by the java version of getPrimitiveClass(char) when no native
+     * version of that method is available.
+     * <strong>This method will be removed in a future version of GNU
+     * Classpath</strong>.
+     */
+    final static native Class getPrimitiveClass(String type);
 }
-- 
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