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1
30
31 package oracle.toplink.libraries.asm.util.attrs;
32
33 import java.util.Map  ;
34
35 import oracle.toplink.libraries.asm.Attribute;
36 import oracle.toplink.libraries.asm.ClassReader;
37 import oracle.toplink.libraries.asm.Label;
38 import oracle.toplink.libraries.asm.attrs.LocalVariableType;
39 import oracle.toplink.libraries.asm.attrs.LocalVariableTypeTableAttribute;
40
41
46
47 public class ASMLocalVariableTypeTableAttribute
48 extends LocalVariableTypeTableAttribute
49 implements ASMifiable
50 {
51
52 protected Attribute read( ClassReader cr, int off, int len, char[] buf, int codeOff, Label[] labels) {
53 LocalVariableTypeTableAttribute attr = ( LocalVariableTypeTableAttribute) super.read(cr, off, len, buf, codeOff, labels);
54
55 ASMLocalVariableTypeTableAttribute res = new ASMLocalVariableTypeTableAttribute();
56 res.getTypes().addAll( attr.getTypes());
57 return res;
58 }
59
60 public void asmify( StringBuffer buf, String varName, Map labelNames) {
61 buf.append("LocalVariableTypeTableAttribute ").append(varName)
62 .append(" = new LocalVariableTypeTableAttribute();\n");
63
64 buf.append("{\n");
65 buf.append("LocalVariableTypeTableAttribute ").append(varName).append("Attr");
66 buf.append(" = new LocalVariableTypeTableAttribute();\n");
67 if (types.size() > 0) {
68 for (int i = 0; i < types.size(); i++) {
69 asmify((LocalVariableType)types.get(i), buf, varName + "type" + i, labelNames);
70 }
71 }
72 buf.append(varName).append(".visitAttribute(").append(varName);
73 buf.append("Attr);\n}\n");
74 }
75
76 private void asmify( LocalVariableType type, StringBuffer buf, String varName, Map labelNames) {
77 declareLabel(buf, labelNames, type.start);
78 declareLabel(buf, labelNames, type.end);
79 buf.append("{\n");
80
81 buf.append("LocalVariableType ").append(varName).append( " = new LocalVariableType();\n");
82
83 buf.append(varName).append(".start = ").append( labelNames.get( type.start)).append(";\n");
84 buf.append(varName).append(".end = ").append( labelNames.get( type.end)).append(";\n");
85 buf.append(varName).append(".name = \"").append( type.name).append( "\";\n");
86 buf.append(varName).append(".signature = ").append( type.signature).append( "\";\n");
87 buf.append(varName).append(".index = ").append( type.index).append( "\";\n");
88
89 buf.append( "cvAttr.types.add(").append(varName).append(");\n");
90 buf.append("}\n");
91 }
92
93 static void declareLabel (StringBuffer buf, Map labelNames, Label l) {
94 String name = (String )labelNames.get(l);
95 if (name == null) {
96 name = "l" + labelNames.size();
97 labelNames.put(l, name);
98 buf.append("Label ").append(name).append(" = new Label();\n");
99 }
100 }
101
102 }
103
104 |
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