jdk/make/src/classes/build/tools/jdwpgen/AltNode.java
changeset 21805 c7d7946239de
parent 10110 75674d930b1f
child 23010 6dadb192ad81
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/make/src/classes/build/tools/jdwpgen/AltNode.java	Thu Nov 14 11:19:32 2013 +0100
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package build.tools.jdwpgen;
+
+import java.util.*;
+import java.io.*;
+
+class AltNode extends AbstractGroupNode implements TypeNode {
+
+    SelectNode select = null;
+
+    void constrain(Context ctx) {
+        super.constrain(ctx);
+
+        if (!(nameNode instanceof NameValueNode)) {
+            error("Alt name must have value: " + nameNode);
+        }
+        if (parent instanceof SelectNode) {
+            select = (SelectNode)parent;
+        } else {
+            error("Alt must be in Select");
+        }
+    }
+
+    void document(PrintWriter writer) {
+        docRowStart(writer);
+        writer.println("<td colspan=" +
+                       (maxStructIndent - structIndent + 1) + ">");
+        writer.println("Case " + nameNode.name + " - if <i>" +
+                       ((SelectNode)parent).typeNode.name +
+                       "</i> is " + nameNode.value() + ":");
+        writer.println("<td>" + comment() + "&nbsp;");
+        ++structIndent;
+        super.document(writer);
+        --structIndent;
+    }
+
+    String javaClassImplements() {
+        return " extends " + select.commonBaseClass();
+    }
+
+    void genJavaClassSpecifics(PrintWriter writer, int depth) {
+        indent(writer, depth);
+        writer.print("static final " + select.typeNode.javaType());
+        writer.println(" ALT_ID = " + nameNode.value() + ";");
+        if (context.isWritingCommand()) {
+            genJavaCreateMethod(writer, depth);
+        } else {
+            indent(writer, depth);
+            writer.println(select.typeNode.javaParam() + "() {");
+            indent(writer, depth+1);
+            writer.println("return ALT_ID;");
+            indent(writer, depth);
+            writer.println("}");
+        }
+        super.genJavaClassSpecifics(writer, depth);
+    }
+
+    void genJavaWriteMethod(PrintWriter writer, int depth) {
+        genJavaWriteMethod(writer, depth, "");
+    }
+
+    void genJavaReadsSelectCase(PrintWriter writer, int depth, String common) {
+        indent(writer, depth);
+        writer.println("case " + nameNode.value() + ":");
+        indent(writer, depth+1);
+        writer.println(common + " = new " + name + "(vm, ps);");
+        indent(writer, depth+1);
+        writer.println("break;");
+    }
+
+    void genJavaCreateMethod(PrintWriter writer, int depth) {
+        indent(writer, depth);
+        writer.print("static " + select.name() + " create(");
+        writer.print(javaParams());
+        writer.println(") {");
+        indent(writer, depth+1);
+        writer.print("return new " + select.name() + "(");
+        writer.print("ALT_ID, new " + javaClassName() + "(");
+        for (Iterator<Node> it = components.iterator(); it.hasNext();) {
+            TypeNode tn = (TypeNode)it.next();
+            writer.print(tn.name());
+            if (it.hasNext()) {
+                writer.print(", ");
+            }
+        }
+        writer.println("));");
+        indent(writer, depth);
+        writer.println("}");
+    }
+
+}