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12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
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24  */
25 
26 package build.tools.jdwpgen;
27 
28 import java.util.*;
29 import java.io.*;
30 
31 class CommandNode extends AbstractCommandNode {
32 
constrain(Context ctx)33     void constrain(Context ctx) {
34         if (components.size() == 3) {
35             Node out   = components.get(0);
36             Node reply = components.get(1);
37             Node error = components.get(2);
38             if (!(out instanceof OutNode)) {
39                 error("Expected 'Out' item, got: " + out);
40             }
41             if (!(reply instanceof ReplyNode)) {
42                 error("Expected 'Reply' item, got: " + reply);
43             }
44             if (!(error instanceof ErrorSetNode)) {
45                 error("Expected 'ErrorSet' item, got: " + error);
46             }
47         } else if (components.size() == 1) {
48             Node evt = components.get(0);
49             if (!(evt instanceof EventNode)) {
50                 error("Expected 'Event' item, got: " + evt);
51             }
52         } else {
53             error("Command must have Out and Reply items or ErrorSet item");
54         }
55         super.constrain(ctx);
56     }
57 
genJavaClassSpecifics(PrintWriter writer, int depth)58     void genJavaClassSpecifics(PrintWriter writer, int depth) {
59         indent(writer, depth);
60         writer.println("static final int COMMAND = " +
61                        nameNode.value() + ";");
62     }
63 
genJava(PrintWriter writer, int depth)64     void genJava(PrintWriter writer, int depth) {
65         genJavaClass(writer, depth);
66     }
67 }
68