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1
9 package de.loskutov.bco.asm;
10
11 import java.util.BitSet  ;
12
13 import org.objectweb.asm.Label;
14 import org.objectweb.asm.util.ASMifierClassVisitor;
15 import org.objectweb.asm.util.ASMifierMethodVisitor;
16
17 import de.loskutov.bco.preferences.BCOConstants;
18
19
22 public class CommentedASMifierClassVisitor extends ASMifierClassVisitor {
23
24 protected BitSet modes;
25 protected boolean raw;
26
27 protected ASMifierMethodVisitor createASMifierMethodVisitor() {
28 return new ASMifierMethodVisitor() {
29
30 public void visitFrame(final int type, final int nLocal,
31 final Object [] local, final int nStack, final Object [] stack) {
32 if (showStackMap) {
33 super.visitFrame(type, nLocal, local, nStack, stack);
34 }
35 }
36
37 public void visitLineNumber(int line, Label start) {
38 if (showLines) {
39 super.visitLineNumber(line, start);
40 }
41 }
42
43 public void visitLocalVariable(String name, String desc,
44 String signature, Label start, Label end, int index) {
45 if (showLocals) {
46 super.visitLocalVariable(
47 name, desc, signature, start, end, index);
48 }
49 }
50
51 public void visitMaxs(int maxStack, int maxLocals) {
52 if (showLocals) {
53 super.visitMaxs(maxStack, maxLocals);
54 }
55 }
56
57 };
58 }
59
60 protected boolean showLines;
61 protected boolean showLocals;
62 protected boolean showStackMap;
63
64 public CommentedASMifierClassVisitor(final BitSet modes) {
65 super(null);
66 this.modes = modes;
67 raw = !modes.get(BCOConstants.F_SHOW_RAW_BYTECODE);
68 showLines = modes.get(BCOConstants.F_SHOW_LINE_INFO);
69 showLocals = modes.get(BCOConstants.F_SHOW_VARIABLES);
70 showStackMap = modes.get(BCOConstants.F_SHOW_STACKMAP);
71 }
72
73 public void visitEnd() {
74 text.add("cw.visitEnd();\n\n");
75 text.add("return cw.toByteArray();\n");
76 text.add("}\n");
77 text.add("}\n");
78 }
79 } |
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