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30 package org.objectweb.asm.xml;
31
32 import java.util.HashMap  ;
33 import java.util.Map ;
34
35 import org.objectweb.asm.AnnotationVisitor;
36 import org.objectweb.asm.Attribute;
37 import org.objectweb.asm.MethodVisitor;
38 import org.objectweb.asm.Opcodes;
39 import org.objectweb.asm.Label;
40 import org.objectweb.asm.Type;
41 import org.objectweb.asm.util.AbstractVisitor;
42 import org.xml.sax.ContentHandler ;
43 import org.xml.sax.helpers.AttributesImpl ;
44
45
54 public final class SAXCodeAdapter extends SAXAdapter implements MethodVisitor {
55 private Map labelNames;
56
57
63 public SAXCodeAdapter(ContentHandler h, int access) {
64 super(h);
65 labelNames = new HashMap ();
66
67 if ((access & (Opcodes.ACC_ABSTRACT | Opcodes.ACC_INTERFACE | Opcodes.ACC_NATIVE)) == 0)
68 {
69 addStart("code", new AttributesImpl ());
70 }
71 }
72
73 public final void visitCode() {
74 }
75
76 public final void visitInsn(int opcode) {
77 addElement(AbstractVisitor.OPCODES[opcode], new AttributesImpl ());
78 }
79
80 public final void visitIntInsn(int opcode, int operand) {
81 AttributesImpl attrs = new AttributesImpl ();
82 attrs.addAttribute("", "value", "value", "", Integer.toString(operand));
83 addElement(AbstractVisitor.OPCODES[opcode], attrs);
84 }
85
86 public final void visitVarInsn(int opcode, int var) {
87 AttributesImpl attrs = new AttributesImpl ();
88 attrs.addAttribute("", "var", "var", "", Integer.toString(var));
89 addElement(AbstractVisitor.OPCODES[opcode], attrs);
90 }
91
92 public final void visitTypeInsn(int opcode, String desc) {
93 AttributesImpl attrs = new AttributesImpl ();
94 attrs.addAttribute("", "desc", "desc", "", desc);
95 addElement(AbstractVisitor.OPCODES[opcode], attrs);
96 }
97
98 public final void visitFieldInsn(
99 int opcode,
100 String owner,
101 String name,
102 String desc)
103 {
104 AttributesImpl attrs = new AttributesImpl ();
105 attrs.addAttribute("", "owner", "owner", "", owner);
106 attrs.addAttribute("", "name", "name", "", name);
107 attrs.addAttribute("", "desc", "desc", "", desc);
108 addElement(AbstractVisitor.OPCODES[opcode], attrs);
109 }
110
111 public final void visitMethodInsn(
112 int opcode,
113 String owner,
114 String name,
115 String desc)
116 {
117 AttributesImpl attrs = new AttributesImpl ();
118 attrs.addAttribute("", "owner", "owner", "", owner);
119 attrs.addAttribute("", "name", "name", "", name);
120 attrs.addAttribute("", "desc", "desc", "", desc);
121 addElement(AbstractVisitor.OPCODES[opcode], attrs);
122 }
123
124 public final void visitJumpInsn(int opcode, Label label) {
125 AttributesImpl attrs = new AttributesImpl ();
126 attrs.addAttribute("", "label", "label", "", getLabel(label));
127 addElement(AbstractVisitor.OPCODES[opcode], attrs);
128 }
129
130 public final void visitLabel(Label label) {
131 AttributesImpl attrs = new AttributesImpl ();
132 attrs.addAttribute("", "name", "name", "", getLabel(label));
133 addElement("Label", attrs);
134 }
135
136 public final void visitLdcInsn(Object cst) {
137 AttributesImpl attrs = new AttributesImpl ();
138 attrs.addAttribute("",
139 "cst",
140 "cst",
141 "",
142 SAXClassAdapter.encode(cst.toString()));
143 attrs.addAttribute("",
144 "desc",
145 "desc",
146 "",
147 Type.getDescriptor(cst.getClass()));
148 addElement(AbstractVisitor.OPCODES[Opcodes.LDC], attrs);
149 }
150
151 public final void visitIincInsn(int var, int increment) {
152 AttributesImpl attrs = new AttributesImpl ();
153 attrs.addAttribute("", "var", "var", "", Integer.toString(var));
154 attrs.addAttribute("", "inc", "inc", "", Integer.toString(increment));
155 addElement(AbstractVisitor.OPCODES[Opcodes.IINC], attrs);
156 }
157
158 public final void visitTableSwitchInsn(
159 int min,
160 int max,
161 Label dflt,
162 Label[] labels)
163 {
164 AttributesImpl attrs = new AttributesImpl ();
165 attrs.addAttribute("", "min", "min", "", Integer.toString(min));
166 attrs.addAttribute("", "max", "max", "", Integer.toString(max));
167 attrs.addAttribute("", "dflt", "dflt", "", getLabel(dflt));
168 String o = AbstractVisitor.OPCODES[Opcodes.TABLESWITCH];
169 addStart(o, attrs);
170 for (int i = 0; i < labels.length; i++) {
171 AttributesImpl att2 = new AttributesImpl ();
172 att2.addAttribute("", "name", "name", "", getLabel(labels[i]));
173 addElement("label", att2);
174 }
175 addEnd(o);
176 }
177
178 public final void visitLookupSwitchInsn(
179 Label dflt,
180 int[] keys,
181 Label[] labels)
182 {
183 AttributesImpl att = new AttributesImpl ();
184 att.addAttribute("", "dflt", "dflt", "", getLabel(dflt));
185 String o = AbstractVisitor.OPCODES[Opcodes.LOOKUPSWITCH];
186 addStart(o, att);
187 for (int i = 0; i < labels.length; i++) {
188 AttributesImpl att2 = new AttributesImpl ();
189 att2.addAttribute("", "name", "name", "", getLabel(labels[i]));
190 att2.addAttribute("", "key", "key", "", Integer.toString(keys[i]));
191 addElement("label", att2);
192 }
193 addEnd(o);
194 }
195
196 public final void visitMultiANewArrayInsn(String desc, int dims) {
197 AttributesImpl attrs = new AttributesImpl ();
198 attrs.addAttribute("", "desc", "desc", "", desc);
199 attrs.addAttribute("", "dims", "dims", "", Integer.toString(dims));
200 addElement(AbstractVisitor.OPCODES[Opcodes.MULTIANEWARRAY], attrs);
201 }
202
203 public final void visitTryCatchBlock(
204 Label start,
205 Label end,
206 Label handler,
207 String type)
208 {
209 AttributesImpl attrs = new AttributesImpl ();
210 attrs.addAttribute("", "start", "start", "", getLabel(start));
211 attrs.addAttribute("", "end", "end", "", getLabel(end));
212 attrs.addAttribute("", "handler", "handler", "", getLabel(handler));
213 if (type != null)
214 attrs.addAttribute("", "type", "type", "", type);
215 addElement("TryCatch", attrs);
216 }
217
218 public final void visitMaxs(int maxStack, int maxLocals) {
219 AttributesImpl attrs = new AttributesImpl ();
220 attrs.addAttribute("",
221 "maxStack",
222 "maxStack",
223 "",
224 Integer.toString(maxStack));
225 attrs.addAttribute("",
226 "maxLocals",
227 "maxLocals",
228 "",
229 Integer.toString(maxLocals));
230 addElement("Max", attrs);
231
232 addEnd("code");
233 }
234
235 public void visitLocalVariable(
236 String name,
237 String desc,
238 String signature,
239 Label start,
240 Label end,
241 int index)
242 {
243 AttributesImpl attrs = new AttributesImpl ();
244 attrs.addAttribute("", "name", "name", "", name);
245 attrs.addAttribute("", "desc", "desc", "", desc);
246 if (signature != null)
247 attrs.addAttribute("",
248 "signature",
249 "signature",
250 "",
251 SAXClassAdapter.encode(signature));
252 attrs.addAttribute("", "start", "start", "", getLabel(start));
253 attrs.addAttribute("", "end", "end", "", getLabel(end));
254 attrs.addAttribute("", "var", "var", "", Integer.toString(index));
255 addElement("LocalVar", attrs);
256 }
257
258 public final void visitLineNumber(int line, Label start) {
259 AttributesImpl attrs = new AttributesImpl ();
260 attrs.addAttribute("", "line", "line", "", Integer.toString(line));
261 attrs.addAttribute("", "start", "start", "", getLabel(start));
262 addElement("LineNumber", attrs);
263 }
264
265 public AnnotationVisitor visitAnnotationDefault() {
266 return new SAXAnnotationAdapter(getContentHandler(),
267 "annotationDefault",
268 0,
269 null,
270 null);
271 }
272
273 public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
274 return new SAXAnnotationAdapter(getContentHandler(),
275 "annotation",
276 visible ? 1 : -1,
277 null,
278 desc);
279 }
280
281 public AnnotationVisitor visitParameterAnnotation(
282 int parameter,
283 String desc,
284 boolean visible)
285 {
286 return new SAXAnnotationAdapter(getContentHandler(),
287 "parameterAnnotation",
288 visible ? 1 : -1,
289 parameter,
290 desc);
291 }
292
293 public void visitEnd() {
294 addEnd("method");
295 }
296
297 public final void visitAttribute(Attribute attr) {
298 }
300
301 private final String getLabel(Label label) {
302 String name = (String ) labelNames.get(label);
303 if (name == null) {
304 name = Integer.toString(labelNames.size());
305 labelNames.put(label, name);
306 }
307 return name;
308 }
309
310 }
311 |
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