Examples with UnaryExpression org.mozilla.javascript.ast.UnaryExpression used on opensource projects

Example 1 with UnaryExpression

use of org.mozilla.javascript.ast.UnaryExpression in project st-js by st-js.

the class RhinoJavaScriptBuilder method unary.

/**
 * {@inheritDoc}
 */
@Override
public AstNode unary(UnaryOperator operator, AstNode operand) {
    UnaryExpression u = new UnaryExpression();
    u.setIsPostfix(operator.isPostfix());
    u.setOperator(operator.getJavaScript());
    u.setOperand(operand);
    return u;
}

Example 2 with UnaryExpression

use of org.mozilla.javascript.ast.UnaryExpression in project HL4A by HL4A.

the class Parser method unaryExpr.

private AstNode unaryExpr() throws IOException {
    AstNode node;
    int tt = peekToken();
    int line = ts.lineno;
    switch(tt) {
        case Token.VOID:
        case Token.NOT:
        case Token.BITNOT:
        case Token.TYPEOF:
            consumeToken();
            node = new UnaryExpression(tt, ts.tokenBeg, unaryExpr());
            node.setLineno(line);
            return node;
        case Token.ADD:
            consumeToken();
            // Convert to special POS token in parse tree
            node = new UnaryExpression(Token.POS, ts.tokenBeg, unaryExpr());
            node.setLineno(line);
            return node;
        case Token.SUB:
            consumeToken();
            // Convert to special NEG token in parse tree
            node = new UnaryExpression(Token.NEG, ts.tokenBeg, unaryExpr());
            node.setLineno(line);
            return node;
        case Token.INC:
        case Token.DEC:
            consumeToken();
            UnaryExpression expr = new UnaryExpression(tt, ts.tokenBeg, memberExpr(true));
            expr.setLineno(line);
            checkBadIncDec(expr);
            return expr;
        case Token.DELPROP:
            consumeToken();
            node = new UnaryExpression(tt, ts.tokenBeg, unaryExpr());
            node.setLineno(line);
            return node;
        case Token.ERROR:
            consumeToken();
            return makeErrorNode();
        case Token.LT:
            // XML stream encountered in expression.
            if (compilerEnv.isXmlAvailable()) {
                consumeToken();
                return memberExprTail(true, xmlInitializer());
            }
        default:
            AstNode pn = memberExpr(true);
            // Don't look across a newline boundary for a postfix incop.
            tt = peekTokenOrEOL();
            if (!(tt == Token.INC || tt == Token.DEC)) {
                return pn;
            }
            consumeToken();
            UnaryExpression uexpr = new UnaryExpression(tt, ts.tokenBeg, pn, true);
            uexpr.setLineno(line);
            checkBadIncDec(uexpr);
            return uexpr;
    }
}

Example 3 with UnaryExpression

use of org.mozilla.javascript.ast.UnaryExpression in project HL4A by HL4A.

the class Parser method defaultXmlNamespace.

private AstNode defaultXmlNamespace() throws IOException {
    if (currentToken != Token.DEFAULT)
        codeBug();
    consumeToken();
    mustHaveXML();
    setRequiresActivation();
    int lineno = ts.lineno, pos = ts.tokenBeg;
    if (!(matchToken(Token.NAME) && "xml".equals(ts.getString()))) {
        reportError("msg.bad.namespace");
    }
    if (!(matchToken(Token.NAME) && "namespace".equals(ts.getString()))) {
        reportError("msg.bad.namespace");
    }
    if (!matchToken(Token.ASSIGN)) {
        reportError("msg.bad.namespace");
    }
    AstNode e = expr();
    UnaryExpression dxmln = new UnaryExpression(pos, getNodeEnd(e) - pos);
    dxmln.setOperator(Token.DEFAULTNAMESPACE);
    dxmln.setOperand(e);
    dxmln.setLineno(lineno);
    ExpressionStatement es = new ExpressionStatement(dxmln, true);
    return es;
}