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25 
26 package build.tools.jdwpgen;
27 
28 import java.util.*;
29 import java.io.*;
30 
31 class OutNode extends AbstractTypeListNode {
32 
33     String cmdName;
34 
set(String kind, List<Node> components, int lineno)35     void set(String kind, List<Node> components, int lineno) {
36         super.set(kind, components, lineno);
37         components.add(0, new NameNode("Out"));
38     }
39 
constrain(Context ctx)40     void constrain(Context ctx) {
41         super.constrain(ctx.commandWritingSubcontext());
42         CommandNode cmd = (CommandNode)parent;
43         cmdName = cmd.name;
44     }
45 
genProcessMethod(PrintWriter writer, int depth)46     void genProcessMethod(PrintWriter writer, int depth) {
47         writer.println();
48         indent(writer, depth);
49         writer.print(
50             "static " + cmdName + " process(VirtualMachineImpl vm");
51         for (Node node : components) {
52             TypeNode tn = (TypeNode)node;
53             writer.println(", ");
54             indent(writer, depth+5);
55             writer.print(tn.javaParam());
56         }
57         writer.println(")");
58         indent(writer, depth+6);
59         writer.println("throws JDWPException {");
60         indent(writer, depth+1);
61         writer.print("PacketStream ps = enqueueCommand(vm");
62         for (Node node : components) {
63             TypeNode tn = (TypeNode)node;
64             writer.print(", ");
65             writer.print(tn.name());
66         }
67         writer.println(");");
68         indent(writer, depth+1);
69         writer.println("return waitForReply(vm, ps);");
70         indent(writer, depth);
71         writer.println("}");
72     }
73 
genEnqueueMethod(PrintWriter writer, int depth)74     void genEnqueueMethod(PrintWriter writer, int depth) {
75         writer.println();
76         indent(writer, depth);
77         writer.print(
78             "static PacketStream enqueueCommand(VirtualMachineImpl vm");
79         for (Node node : components) {
80             TypeNode tn = (TypeNode)node;
81             writer.println(", ");
82             indent(writer, depth+5);
83             writer.print(tn.javaParam());
84         }
85         writer.println(") {");
86         indent(writer, depth+1);
87         writer.println(
88             "PacketStream ps = new PacketStream(vm, COMMAND_SET, COMMAND);");
89         if (Main.genDebug) {
90             indent(writer, depth+1);
91             writer.println(
92                 "if ((vm.traceFlags & VirtualMachineImpl.TRACE_SENDS) != 0) {");
93             indent(writer, depth+2);
94             writer.print(
95                 "vm.printTrace(\"Sending Command(id=\" + ps.pkt.id + \") ");
96             writer.print(parent.context.whereJava);
97             writer.println(
98                 "\"+(ps.pkt.flags!=0?\", FLAGS=\" + ps.pkt.flags:\"\"));");
99             indent(writer, depth+1);
100             writer.println("}");
101         }
102         genJavaWrites(writer, depth+1);
103         indent(writer, depth+1);
104         writer.println("ps.send();");
105         indent(writer, depth+1);
106         writer.println("return ps;");
107         indent(writer, depth);
108         writer.println("}");
109     }
110 
genWaitMethod(PrintWriter writer, int depth)111     void genWaitMethod(PrintWriter writer, int depth) {
112         writer.println();
113         indent(writer, depth);
114         writer.println(
115             "static " + cmdName + " waitForReply(VirtualMachineImpl vm, " +
116                                   "PacketStream ps)");
117         indent(writer, depth+6);
118         writer.println("throws JDWPException {");
119         indent(writer, depth+1);
120         writer.println("ps.waitForReply();");
121         indent(writer, depth+1);
122         writer.println("return new " + cmdName + "(vm, ps);");
123         indent(writer, depth);
124         writer.println("}");
125     }
126 
genJava(PrintWriter writer, int depth)127     void genJava(PrintWriter writer, int depth) {
128         genJavaPreDef(writer, depth);
129         super.genJava(writer, depth);
130         genProcessMethod(writer, depth);
131         genEnqueueMethod(writer, depth);
132         genWaitMethod(writer, depth);
133     }
134 }
135