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/*
* TypeName.java 1.0
*
* This interface is made to type ptree-node into the type
* specifier in the body of class.
*
* Jun 20, 1997 by mich
* Sep 29, 1997 by bv
* Oct 11, 1997 by mich
* Dec 27, 1998 by mich
*
* @see io.devnulllabs.openjava.ptree.ParseTree
* @version 1.0 last updated: Oct 11, 1997
* @author Michiaki Tatsubori
*/
package io.devnulllabs.openjava.ptree;
import java.util.Hashtable;
import io.devnulllabs.openjava.mop.OJClass;
import io.devnulllabs.openjava.ptree.util.ParseTreeVisitor;
/**
* The <code>TypeName</code> class represents a type specifier
* node of parse tree.
*
* @see io.devnulllabs.openjava.ptree.ParseTree
* @see io.devnulllabs.openjava.ptree.NonLeaf
*/
public class TypeName extends NonLeaf {
Hashtable suffixes;
int dim;
public TypeName(String typename, int n, Hashtable suffixes) {
super();
set(typename);
setDimension(n);
this.suffixes = suffixes;
}
/**
* Allocates a new object.
*
* @param typename type name
* @param n array dimension
*/
public TypeName(String typename, int n) {
this(typename, n, null);
}
/**
* Allocates a new object.
*
* @param typename type name
* @param n array dimension
*/
public TypeName(String typename, Hashtable suffixes) {
this(typename, 0, suffixes);
}
/**
* Allocates a new object.
* No array dimension will set.
* <br><blockquote><pre>
* new TypeName( typename )
* </pre></blockquote><br>
* equals:
* <br><blockquote><pre>
* new TypeName( typename, 0 )
* </pre></blockquote><br>
*
* @param typename type name
*/
public TypeName(String typename) {
this(typename, 0, null);
}
TypeName() {
super();
}
public static TypeName forOJClass(OJClass clazz) {
int demension = 0;
while (clazz.isArray()) {
++demension;
clazz = clazz.getComponentType();
}
String name = clazz.getName();
return new TypeName(name, demension);
}
public ParseTree makeRecursiveCopy() {
TypeName result = (TypeName) super.makeRecursiveCopy();
result.dim = this.dim;
result.suffixes = this.suffixes;
return result;
}
public ParseTree makeCopy() {
TypeName result = (TypeName) super.makeCopy();
result.dim = this.dim;
result.suffixes = this.suffixes;
return result;
}
/**
* Gets array dimension of declarated type
*
* @return array dimension
*/
public int getDimension() {
return dim;
}
/**
* Sets array dimension of declarated type
*
* @param dim array dimension
*/
public void setDimension(int n) {
dim = n;
}
public void addDimension(int n) {
this.dim += n;
}
public void addDimension(String dimstr) {
this.addDimension(dimstr.length() / 2);
}
/**
* Gets the type name of this type specifier.
*
* @return the type name.
*/
public String getName() {
return (String) elementAt(0);
}
/**
* Sets the type name of this type specifier.
*
* @param typename the type name to set.
* @deprecated
* @see io.devnulllabs.openjava.ptree.TypeName#setName(String)
*/
public void setTypeName(String typename) {
setElementAt(typename, 0);
}
/**
* Sets the type name except array dimension of this type specifier.
*
* @param name the type name to set.
*/
public void setName(String name) {
setElementAt(name, 0);
}
public static String stringFromDimension(int dimension) {
StringBuffer buf = new StringBuffer();
for (int i = 0; i < dimension; ++i) {
buf.append("[]");
}
return buf.toString();
}
public static int toDimension(String typename) {
int result = 0;
for (int i = typename.length() - 1; 0 < i; i -= 2) {
if (typename.lastIndexOf(']', i) != i
|| typename.lastIndexOf('[', i) != i - 1) {
return result;
}
result++;
}
return result;
}
public void accept(ParseTreeVisitor v) throws ParseTreeException {
v.visit(this);
}
}
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