org.mozilla.javascript.ast.ObjectProperty Java Examples

void decompileObjectLiteral(ObjectLiteral node) {
    decompiler.addToken(Token.LC);
    List<ObjectProperty> props = node.getElements();
    int size = props.size();
    for (int i = 0; i < size; i++) {
        ObjectProperty prop = props.get(i);
        boolean destructuringShorthand =
                Boolean.TRUE.equals(prop.getProp(Node.DESTRUCTURING_SHORTHAND));
        decompile(prop.getLeft());
        if (!destructuringShorthand) {
            decompiler.addToken(Token.COLON);
            decompile(prop.getRight());
        }
        if (i < size - 1) {
            decompiler.addToken(Token.COMMA);
        }
    }
    decompiler.addToken(Token.RC);
}
 

public List<String> getPropertyNames(){
	List<String> propNames = new ArrayList<String>();
	ObjectLiteral ol = (ObjectLiteral)this.getNode();
	for (ObjectProperty op : ol.getElements()){
		AstNode left = op.getLeft();
		if (left instanceof Name){
			propNames.add(((Name)left).getIdentifier());
		} else if (left instanceof StringLiteral){
			String identifier = ConstraintGenUtil.removeQuotes(((StringLiteral)left).toSource());
			propNames.add(identifier);
		} else {
			System.err.println(left.getClass().getName() + " " + left.toSource());
			throw new Error("unsupported case in getPropertyNames()");
		}
	}
	return propNames;
}
 

public List<String> getPropertyNames(){
	List<String> propNames = new ArrayList<String>();
	ObjectLiteral ol = (ObjectLiteral)this.getNode();
	for (ObjectProperty op : ol.getElements()){
		AstNode left = op.getLeft();
		if (left instanceof Name){
			propNames.add(((Name)left).getIdentifier());
		} else if (left instanceof StringLiteral){
			String identifier = ConstraintGenUtil.removeQuotes(((StringLiteral)left).toSource());
			propNames.add(identifier);
		} else {
			System.err.println(left.getClass().getName() + " " + left.toSource());
			throw new Error("unsupported case in getPropertyNames()");
		}
	}
	return propNames;
}
 

public static List<String> getPropertyNames(ObjectLiteral ol){
	List<String> propNames = new ArrayList<String>();
	for (ObjectProperty op : ol.getElements()){
		AstNode left = op.getLeft();
		if (left instanceof Name){
			propNames.add(((Name)left).getIdentifier());
		} else if (left instanceof StringLiteral){
			String identifier = ConstraintGenUtil.removeQuotes(((StringLiteral)left).toSource());
			propNames.add(identifier);
		} else {
			System.err.println(left.getClass().getName() + " " + left.toSource());
			throw new Error("unsupported case in getPropertyNames()");
		}
	}
	return propNames;
}
 

/**
 * Create constraints for an object literal.
 */
private ITypeTerm processObjectLiteralForObject(ObjectLiteral n) {
	ITypeTerm expTerm = findOrCreateObjectLiteralTerm(n);
	ObjectLiteral o = (ObjectLiteral)n;
	for (ObjectProperty prop : o.getElements()){
		AstNode left = prop.getLeft();
		AstNode right = prop.getRight();
		if (left instanceof Name){
			String identifier = ((Name)left).getIdentifier();

			// for object literal o = { name_1 : exp_1, ..., name_k : exp_k } generate
			// a constraint |exp_i| <: prop(|o|, name_i)

			ITypeTerm propTerm = findOrCreatePropertyAccessTerm(expTerm, identifier, null);
			ITypeTerm valTerm = processExpression(right);
			processCopy(right, valTerm, propTerm, n.getLineno(), null);
		}
	}
	return expTerm;
}
 

private ObjectProperty methodDefinition(int pos, AstNode propName, int entryKind)
    throws IOException
{
    FunctionNode fn = function(FunctionNode.FUNCTION_EXPRESSION);
    // We've already parsed the function name, so fn should be anonymous.
    Name name = fn.getFunctionName();
    if (name != null && name.length() != 0) {
        reportError("msg.bad.prop");
    }
    ObjectProperty pn = new ObjectProperty(pos);
    switch (entryKind) {
    case GET_ENTRY:
        pn.setIsGetterMethod();
        fn.setFunctionIsGetterMethod();
        break;
    case SET_ENTRY:
        pn.setIsSetterMethod();
        fn.setFunctionIsSetterMethod();
        break;
    case METHOD_ENTRY:
        pn.setIsNormalMethod();
        fn.setFunctionIsNormalMethod();
        break;
    }
    int end = getNodeEnd(fn);
    pn.setLeft(propName);
    pn.setRight(fn);
    pn.setLength(end - pos);
    return pn;
}
 

/**
 * Tests if an object literal is an object by checking that all
 * properties are unquoted.
 */
static boolean isObject(ObjectLiteral o){
	boolean result = (o.getElements().size() > 0);
	for (ObjectProperty prop : o.getElements()){
		AstNode left = prop.getLeft();
		result = result && (left instanceof Name);
	}
	return result;
}
 

/**
 * Tests if an object literal is a map by checking that
 * all properties are quoted.
 * In JavaScript, both double quotes and single quotes are
 * supported but for now we assume double quotes are used.
 *
 * Empty object literals are assumed to be maps.
 */
static boolean isMap(ObjectLiteral o){
	boolean result = true;
	for (ObjectProperty prop : o.getElements()){
		AstNode left = prop.getLeft();
		result = result && (left instanceof StringLiteral);
	}
	return result;
}
 

private Node transformObjectLiteral(ObjectLiteral node) {
    if (node.isDestructuring()) {
        return node;
    }
    // createObjectLiteral rewrites its argument as object
    // creation plus object property entries, so later compiler
    // stages don't need to know about object literals.
    decompiler.addToken(Token.LC);
    List<ObjectProperty> elems = node.getElements();
    Node object = new Node(Token.OBJECTLIT);
    Object[] properties;
    if (elems.isEmpty()) {
        properties = ScriptRuntime.emptyArgs;
    } else {
        int size = elems.size(), i = 0;
        properties = new Object[size];
        for (ObjectProperty prop : elems) {
            if (prop.isGetterMethod()) {
                decompiler.addToken(Token.GET);
            } else if (prop.isSetterMethod()) {
                decompiler.addToken(Token.SET);
            } else if (prop.isNormalMethod()) {
                decompiler.addToken(Token.METHOD);
            }

            properties[i++] = getPropKey(prop.getLeft());

            // OBJECTLIT is used as ':' in object literal for
            // decompilation to solve spacing ambiguity.
            if (!(prop.isMethod())) {
                decompiler.addToken(Token.OBJECTLIT);
            }

            Node right = transform(prop.getRight());
            if (prop.isGetterMethod()) {
                right = createUnary(Token.GET, right);
            } else if (prop.isSetterMethod()) {
                right = createUnary(Token.SET, right);
            } else if (prop.isNormalMethod()) {
                right = createUnary(Token.METHOD, right);
            }
            object.addChildToBack(right);

            if (i < size) {
                decompiler.addToken(Token.COMMA);
            }
        }
    }
    decompiler.addToken(Token.RC);
    object.putProp(Node.OBJECT_IDS_PROP, properties);
    return object;
}
 

public static boolean isMethodAssignedInObjectLiteral(FunctionNode n){
	return (n.getParent() instanceof ObjectProperty && n.getParent().getParent() instanceof ObjectLiteral);
}