/** TypeArgument: WildcardIndicator_opt FieldTypeSignature "*" */
private TypeArgument parseTypeArgument() {
FieldTypeSignature[] ub, lb;
ub = new FieldTypeSignature[1];
lb = new FieldTypeSignature[1];
TypeArgument[] ta = new TypeArgument[0];
char c = current();
switch (c) {
case '+':
{
advance();
ub[0] = parseFieldTypeSignature();
lb[0] = BottomSignature.make(); // bottom
return Wildcard.make(ub, lb);
}
case '*':
{
advance();
ub[0] = SimpleClassTypeSignature.make("j86.java.lang.Object", false, ta);
lb[0] = BottomSignature.make(); // bottom
return Wildcard.make(ub, lb);
}
case '-':
{
advance();
lb[0] = parseFieldTypeSignature();
ub[0] = SimpleClassTypeSignature.make("j86.java.lang.Object", false, ta);
return Wildcard.make(ub, lb);
}
default:
return parseFieldTypeSignature();
}
}
/** PackageSpecifier: Identifier "/" PackageSpecifier* */
private SimpleClassTypeSignature parsePackageNameAndSimpleClassTypeSignature() {
// Parse both any optional leading PackageSpecifier as well as
// the following SimpleClassTypeSignature.
String id = parseIdentifier();
if (current() == '/') { // package name
StringBuilder idBuild = new StringBuilder(id);
while (current() == '/') {
advance();
idBuild.append(".");
idBuild.append(parseIdentifier());
}
id = idBuild.toString();
}
switch (current()) {
case ';':
return SimpleClassTypeSignature.make(id, false, new TypeArgument[0]); // all done!
case '<':
if (DEBUG) System.out.println("\t remainder: " + remainder());
return SimpleClassTypeSignature.make(id, false, parseTypeArguments());
default:
throw error("expected '<' or ';' but got " + current());
}
}
/** SimpleClassTypeSignature: Identifier TypeArguments_opt */
private SimpleClassTypeSignature parseSimpleClassTypeSignature(boolean dollar) {
String id = parseIdentifier();
char c = current();
switch (c) {
case ';':
case '.':
return SimpleClassTypeSignature.make(id, dollar, new TypeArgument[0]);
case '<':
return SimpleClassTypeSignature.make(id, dollar, parseTypeArguments());
default:
throw error("expected '<' or ';' or '.', got '" + c + "'.");
}
}