59 lines
1.4 KiB
Java
59 lines
1.4 KiB
Java
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import java.util.Hashtable;
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class JSObject extends JSValue {
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static JSObject JSUndefined = new JSObject("undefined");
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JSObject(String aValue)
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{
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value = aValue;
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}
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String print(String indent)
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{
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return indent + "JSObject : " + value + "\n";
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}
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public String toString() {
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return value + contents.toString();
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}
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void eval(Environment theEnv)
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{
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theEnv.theStack.push(this);
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}
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void typeof(Environment theEnv) {
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if (this == JSUndefined)
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theEnv.theStack.push(new JSString("undefined"));
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else
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theEnv.theStack.push(new JSString("object"));
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}
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JSBoolean toJSBoolean(Environment theEnv) {
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return JSBoolean.JSTrue;
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}
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JSDouble toJSDouble(Environment theEnv) {
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return toPrimitive(theEnv, "Number").toJSDouble(theEnv);
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}
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void getProp(Environment theEnv) {
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JSString id = theEnv.theStack.pop().toJSString(theEnv);
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JSValue v = (JSValue)(contents.get(id.s));
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theEnv.theStack.push(v);
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}
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void putProp(Environment theEnv) {
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JSValue v = theEnv.theStack.pop();
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JSString id = theEnv.theStack.pop().toJSString(theEnv);
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contents.put(id.s, v);
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}
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Hashtable contents = new Hashtable();
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String value;
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} |