1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
/*******************************************************************************
* Copyright (c) 2004, 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.tools.internal;
import java.io.File;
import java.lang.reflect.Method;
import java.util.List;
import org.eclipse.jdt.core.dom.ASTNode;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jdt.core.dom.MethodDeclaration;
import org.eclipse.jdt.core.dom.Modifier;
import org.eclipse.jdt.core.dom.SingleVariableDeclaration;
import org.eclipse.jdt.core.dom.TypeDeclaration;
public class ReflectMethod extends ReflectItem implements JNIMethod {
Method method;
ReflectType returnType, returnType64;
ReflectType[] paramTypes, paramTypes64;
ReflectClass declaringClass;
Boolean unique;
public ReflectMethod(ReflectClass declaringClass, Method method, String source, CompilationUnit unit) {
this.method = method;
this.declaringClass = declaringClass;
Class returnType = method.getReturnType();
Class[] paramTypes = method.getParameterTypes();
this.returnType = new ReflectType(returnType);
this.returnType64 = this.returnType;
this.paramTypes = new ReflectType[paramTypes.length];
this.paramTypes64 = new ReflectType[paramTypes.length];
for (int i = 0; i < this.paramTypes.length; i++) {
this.paramTypes[i] = this.paramTypes64[i] = new ReflectType(paramTypes[i]);
}
boolean changes = false;
if ((method.getModifiers() & Modifier.NATIVE) != 0) {
changes = canChange64(returnType);
if (!changes) {
for (int i = 0; i < paramTypes.length && !changes; i++) {
changes |= canChange64(paramTypes[i]);
}
}
}
if (changes && new File(declaringClass.sourcePath).exists()) {
String name = method.getName();
TypeDeclaration type = (TypeDeclaration)unit.types().get(0);
MethodDeclaration decl = null;
MethodDeclaration[] methods = type.getMethods();
for (int i = 0; i < methods.length && decl == null; i++) {
MethodDeclaration node = methods[i];
if (node.getName().getIdentifier().equals(name)) {
if (!declaringClass.getSimpleName(returnType).equals(node.getReturnType2().toString())) continue;
List parameters = node.parameters();
if (parameters.size() != paramTypes.length) continue;
decl = node;
for (int j = 0; j < paramTypes.length; j++) {
if (!declaringClass.getSimpleName(paramTypes[j]).equals(((SingleVariableDeclaration)parameters.get(j)).getType().toString())) {
decl = null;
break;
}
}
}
}
for (int i = 0; i < paramTypes.length; i++) {
if (canChange64(paramTypes[i])) {
Class clazz = paramTypes[i];
SingleVariableDeclaration node = (SingleVariableDeclaration)decl.parameters().get(i);
String s = source.substring(node.getStartPosition(), node.getStartPosition() + node.getLength());
if (clazz == int.class && s.indexOf("int /*long*/") != -1) this.paramTypes64[i] = new ReflectType(long.class);
else if (clazz == int[].class && (s.indexOf("int /*long*/") != -1 || s.indexOf("int[] /*long[]*/") != -1)) this.paramTypes64[i] = new ReflectType(long[].class);
else if (clazz == float.class && s.indexOf("float /*double*/") != -1) this.paramTypes64[i] = new ReflectType(double.class);
else if (clazz == float[].class && (s.indexOf("float /*double*/") != -1|| s.indexOf("float[] /*double[]*/") != -1)) this.paramTypes64[i] = new ReflectType(double[].class);
else if (clazz == long.class && s.indexOf("long /*int*/") != -1) this.paramTypes[i] = new ReflectType(int.class);
else if (clazz == long[].class && (s.indexOf("long /*int*/") != -1|| s.indexOf("long[] /*int[]*/") != -1)) this.paramTypes[i] = new ReflectType(int[].class);
else if (clazz == double.class && s.indexOf("double /*float*/") != -1) this.paramTypes[i] = new ReflectType(float.class);
else if (clazz == double[].class && (s.indexOf("double /*float*/") != -1|| s.indexOf("double[] /*float[]*/") != -1)) this.paramTypes[i] = new ReflectType(float[].class);
}
}
if (canChange64(returnType)) {
Class clazz = returnType;
ASTNode node = decl.getReturnType2();
String s = source.substring(node.getStartPosition(), decl.getName().getStartPosition());
if (clazz == int.class && s.indexOf("int /*long*/") != -1) this.returnType64 = new ReflectType(long.class);
else if (clazz == int[].class && (s.indexOf("int /*long*/") != -1 || s.indexOf("int[] /*long[]*/") != -1)) this.returnType64 = new ReflectType(long[].class);
else if (clazz == float.class && s.indexOf("float /*double*/") != -1) this.returnType64 = new ReflectType(double.class);
else if (clazz == float[].class && (s.indexOf("float /*double*/") != -1|| s.indexOf("float[] /*double[]*/") != -1)) this.returnType64 = new ReflectType(double[].class);
else if (clazz == long.class && s.indexOf("long /*int*/") != -1) this.returnType = new ReflectType(int.class);
else if (clazz == long[].class && (s.indexOf("long /*int*/") != -1|| s.indexOf("long[] /*int[]*/") != -1)) this.returnType = new ReflectType(int[].class);
else if (clazz == double.class && s.indexOf("double /*float*/") != -1) this.returnType = new ReflectType(float.class);
else if (clazz == double[].class && (s.indexOf("double /*float*/") != -1|| s.indexOf("double[] /*float[]*/") != -1)) this.returnType = new ReflectType(float[].class);
}
}
}
public int hashCode() {
return method.hashCode();
}
public boolean equals(Object obj) {
if (!(obj instanceof ReflectMethod)) return false;
return ((ReflectMethod)obj).method.equals(method);
}
public JNIClass getDeclaringClass() {
return declaringClass;
}
public int getModifiers() {
return method.getModifiers();
}
public String getName() {
return method.getName();
}
public boolean isNativeUnique() {
if (unique != null) return unique.booleanValue();
boolean result = true;
String name = getName();
JNIMethod[] methods = declaringClass.getDeclaredMethods();
for (int i = 0; i < methods.length; i++) {
JNIMethod mth = methods[i];
if ((mth.getModifiers() & Modifier.NATIVE) != 0 &&
this != mth && !this.equals(mth) &&
name.equals(mth.getName()))
{
result = false;
break;
}
}
unique = new Boolean(result);
return result;
}
public JNIType[] getParameterTypes() {
return paramTypes;
}
public JNIType[] getParameterTypes64() {
return paramTypes64;
}
public JNIParameter[] getParameters() {
Class[] paramTypes = method.getParameterTypes();
ReflectParameter[] result = new ReflectParameter[paramTypes.length];
for (int i = 0; i < paramTypes.length; i++) {
result[i] = new ReflectParameter(this, i);
}
return result;
}
public JNIType getReturnType() {
return returnType;
}
public JNIType getReturnType64() {
return returnType64;
}
public String getAccessor() {
return (String)getParam("accessor");
}
public String getExclude() {
return (String)getParam("exclude");
}
public String getMetaData() {
String className = getDeclaringClass().getSimpleName();
String key = className + "_" + JNIGenerator.getFunctionName(this);
MetaData metaData = declaringClass.metaData;
String value = metaData.getMetaData(key, null);
if (value == null) {
key = className + "_" + method.getName();
value = metaData.getMetaData(key, null);
}
/*
* Support for 64 bit port.
*/
if (value == null) {
JNIType[] paramTypes = getParameterTypes();
if (convertTo32Bit(paramTypes, true)) {
key = className + "_" + JNIGenerator.getFunctionName(this, paramTypes);
value = metaData.getMetaData(key, null);
}
if (value == null) {
paramTypes = getParameterTypes();
if (convertTo32Bit(paramTypes, false)) {
key = className + "_" + JNIGenerator.getFunctionName(this, paramTypes);
value = metaData.getMetaData(key, null);
}
}
}
/*
* Support for lock.
*/
if (value == null && method.getName().startsWith("_")) {
key = className + "_" + JNIGenerator.getFunctionName(this).substring(2);
value = metaData.getMetaData(key, null);
if (value == null) {
key = className + "_" + method.getName().substring(1);
value = metaData.getMetaData(key, null);
}
}
if (value == null) value = "";
return value;
}
public void setAccessor(String str) {
setParam("accessor", str);
}
public void setExclude(String str) {
setParam("exclude", str);
}
public void setMetaData(String value) {
String key;
String className = declaringClass.getSimpleName();
if (isNativeUnique()) {
key = className + "_" + method.getName ();
} else {
key = className + "_" + JNIGenerator.getFunctionName(this);
}
declaringClass.metaData.setMetaData(key, value);
}
public String toString() {
return method.toString();
}
}
|
