asm/signature/SignatureReader.java

59 package jdk.internal.org.objectweb.asm.signature;
62  * A type signature parser to make a signature visitor visit an existing
63  * signature.
71      * The signature to be read.
73     private final String signature;
76      * Constructs a {@link SignatureReader} for the given signature.
78      * @param signature
82     public SignatureReader(final String signature) {
83         this.signature = signature;
87      * Makes the given visitor visit the signature of this
88      * {@link SignatureReader}. This signature is the one specified in the
91      * created using a <i>ClassSignature</i> (such as the <code>signature</code>
94      * <code>signature</code> parameter of the
99      *            the visitor that must visit this signature.
102         String signature = this.signature;
103         int len = signature.length();
107         if (signature.charAt(0) == '<') {
110                 int end = signature.indexOf(':', pos);
111                 v.visitFormalTypeParameter(signature.substring(pos - 1, end));
114                 c = signature.charAt(pos);
116                     pos = parseType(signature, pos, v.visitClassBound());
119                 while ((c = signature.charAt(pos++)) == ':') {
120                     pos = parseType(signature, pos, v.visitInterfaceBound());
127         if (signature.charAt(pos) == '(') {
129             while (signature.charAt(pos) != ')') {
130                 pos = parseType(signature, pos, v.visitParameterType());
132             pos = parseType(signature, pos + 1, v.visitReturnType());
134                 pos = parseType(signature, pos + 1, v.visitExceptionType());
137             pos = parseType(signature, pos, v.visitSuperclass());
139                 pos = parseType(signature, pos, v.visitInterface());
145      * Makes the given visitor visit the signature of this
146      * {@link SignatureReader}. This signature is the one specified in the
150      * <code>signature</code> parameter of the
156      *            the visitor that must visit this signature.
159         parseType(this.signature, 0, v);
163      * Parses a field type signature and makes the given visitor visit it.
165      * @param signature
166      *            a string containing the signature that must be parsed.
168      *            index of the first character of the signature to parsed.
170      *            the visitor that must visit this signature.
171      * @return the index of the first character after the parsed signature.
173     private static int parseType(final String signature, int pos,
180         switch (c = signature.charAt(pos++)) {
194             return parseType(signature, pos, v.visitArrayType());
197             end = signature.indexOf(';', pos);
198             v.visitTypeVariable(signature.substring(pos, end));
206                 switch (c = signature.charAt(pos++)) {
210                         name = signature.substring(start, pos - 1);
227                     name = signature.substring(start, pos - 1);
235                         switch (c = signature.charAt(pos)) {
244                             pos = parseType(signature, pos + 1,
248                             pos = parseType(signature, pos,