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11 package org.eclipse.swt.tools.internal;
12
13 import java.util.*;
14 import java.lang.reflect.*;
15
16 public class CleanupNatives extends CleanupClass {
17
18 public CleanupNatives() {
19 }
20
21 String  [] getArgNames(Method method) {
22 int n_args = method.getParameterTypes().length;
23 if (n_args == 0) return new String [0];
24 String name = method.getName();
25 String params = "";
26 int index = 0;
27 while (true) {
28 index = classSource.indexOf(name, index + 1);
29 if (index == -1) return null;
30 int parantesesStart = classSource.indexOf("(", index);
31 if (classSource.substring(index + name.length(), parantesesStart).trim().length() == 0) {
32 int parantesesEnd = classSource.indexOf(")", parantesesStart);
33 params = classSource.substring(parantesesStart + 1, parantesesEnd);
34 break;
35 }
36 }
37 String [] names = new String [n_args];
38 StringTokenizer tk = new StringTokenizer(params, ",");
39 for (int i = 0; i < names.length; i++) {
40 String s = tk.nextToken().trim();
41 StringTokenizer tk1 = new StringTokenizer(s, " ");
42 String s1 = null;
43 while (tk1.hasMoreTokens()) {
44 s1 = tk1.nextToken();
45 }
46 names[i] = s1.trim();
47 }
48 return names;
49 }
50
51 public void generate(Class clazz) {
52 unusedCount = usedCount = 0;
53 super.generate(clazz);
54 Method[] methods = clazz.getDeclaredMethods();
55 generate(methods);
56 output("used=" + usedCount + " unused=" + unusedCount + " total=" + (unusedCount + usedCount));
57 }
58
59 public void generate(Method[] methods) {
60 sort(methods);
61 for (int i = 0; i < methods.length; i++) {
62 Method method = methods[i];
63 if ((method.getModifiers() & Modifier.NATIVE) == 0) continue;
64 generate(method);
65 }
66 }
67
68 public void generate(Method method) {
69 String name = method.getName();
70 Enumeration keys = files.keys();
71 while (keys.hasMoreElements()) {
72 Object key = keys.nextElement();
73 String str = (String )files.get(key);
74 if (str.indexOf(name) != -1) {
75 int modifiers = method.getModifiers();
76 Class clazz = method.getDeclaringClass();
77 String modifiersStr = Modifier.toString(modifiers);
78 output(modifiersStr);
79 if (modifiersStr.length() > 0) output(" ");
80 output(getTypeSignature3(method.getReturnType()));
81 output(" " );
82 output(method.getName());
83 output("(");
84 Class [] paramTypes = method.getParameterTypes();
85 String [] paramNames = getArgNames(method);
86 for (int i = 0; i < paramTypes.length; i++) {
87 Class paramType = paramTypes[i];
88 if (i != 0) output(", ");
89 String sig = getTypeSignature3(paramType);
90 if (clazz.getPackage().equals(paramType.getPackage())) sig = getClassName(paramType);
91 output(sig);
92 output(" ");
93 output(paramNames[i]);
94 }
95 outputln(");");
96 usedCount++;
97 return;
98 }
99 }
100 unusedCount++;
101 }
103
104 public static void main(String [] args) {
105 if (args.length < 2) {
106 System.out.println("Usage: java CleanupNatives <OS className> <src path> <class source>");
107 return;
108 }
109 try {
110 CleanupNatives gen = new CleanupNatives();
111 String clazzName = args[0];
112 String [] sourcePath = new String []{args[1]};
113 String classSource = args[2];
114 Class clazz = Class.forName(clazzName);
115 gen.setSourcePath(sourcePath);
116 gen.setClassSourcePath(classSource);
117 gen.generate(clazz);
118 } catch (Exception e) {
119 System.out.println("Problem");
120 e.printStackTrace(System.out);
121 }
122 }
123
124 }
125 |
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