Sha256: f692435f382cce5c825b66f6cd70537a305cf93ea079f2820b96c91611b4038e
Contents?: true
Size: 1.27 KB
Versions: 135
Compression:
Stored size: 1.27 KB
Contents
/**
* Copyright 2005-2007 Xue Yong Zhi
* Distributed under the BSD License
*/
package com.xruby.compiler.codedom;
import java.util.*;
public class HashExpression extends Expression {
class ExpressionPair implements Visitable {
private Expression key;
private Expression value;
ExpressionPair(Expression k, Expression v) {
key = k;
value = v;
}
public void accept(CodeVisitor visitor) {
key.accept(visitor);
value.accept(visitor);
visitor.visitHashElement();
}
}
private ArrayList<ExpressionPair> elements_ = new ArrayList<ExpressionPair>();
private Expression last_exp_ = null;
//Hash may look like "{1, 2, 2, 4, 3, 6}", it should be converted to "{1=>2, 2=>4, 3 => 6}"
public void addElement(Expression k, Expression v) {
if (null != v) {
elements_.add(new ExpressionPair(k, v));
} else {
if (null == last_exp_) {
last_exp_ = k;
} else {
elements_.add(new ExpressionPair(last_exp_, k));
last_exp_ = null;
}
}
//TODO throw exception if "odd number list for Hash"
}
public void accept(CodeVisitor visitor) {
visitor.visitHashBegin();
int i = 0;
for (ExpressionPair e : elements_) {
e.accept(visitor);
++i;
}
visitor.visitHashEnd();
}
}
Version data entries
135 entries across 135 versions & 2 rubygems