Classworking工具箱: 分析泛型数据结构 - 编程入门网
作者 佚名技术
来源 NET编程
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发布时间 2012-06-14
| ized type with type substitutions. * * @param sig signature including all type substitutions * @param types actual types used for instance (values may be * <code>null</code> if no substitution defined) * @param tdir type directory * @return substituted type description */ public TypeDescription getParameterized(String sig, TypeDescription[] types) { return new ParameterizedClassDescription(sig, types); } /** * Visitor for generating the description information for a generic class. */ public class DescriptionBuilderVisitor extends EmptyVisitor { private final TypeDirectory m_typeDirectory; private ArrayList<FieldDescription> m_fields; private ArrayList<String> m_typeParameters; private ArrayList<TypeDescription> m_upperBounds; private DescriptionBuilderVisitor(TypeDirectory dir) { m_typeDirectory = dir; m_fields = new ArrayList<FieldDescription>(); m_typeParameters = new ArrayList<String>(); m_upperBounds = new ArrayList<TypeDescription>(); } public void visit(int version, int access, String name, String sig, String sname, String[] inames) { if (sig != null) { new SignatureReader(sig).accept(new ClassSignatureVisitor()); } super.visit(version, access, name, sig, sname, inames); } public FieldVisitor visitField(int access, String name, String desc, String sig, Object value) { TypeDescription type = null; if (sig == null) { type = m_typeDirectory.getTypeInstance(desc); } m_fields.add(new FieldDescription(name, sig, type)); return super.visitField(access, name, desc, sig, value); } private FieldDescription[] getFields() { return m_fields.toArray(new FieldDescription[m_fields.size()]); } private String[] getTypeParameters() { return m_typeParameters.toArray(new String[m_typeParameters.size()]); } private TypeDescription[] getUpperBounds() { return m_upperBounds.toArray(new TypeDescription[m_upperBounds.size ()]); } private class ClassSignatureVisitor extends EmptySignatureVisitor { private boolean m_isBounded; public void visitFormalTypeParameter(String name) { m_typeParameters.add(name); m_upperBounds.add(m_typeDirectory.getTypeInstance ("Ljava/lang/Object;")); } public SignatureVisitor visitClassBound() { return new |
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