Examples with ExprNode kalang.ast.ExprNode used on opensource projects

Example 46 with ExprNode

use of kalang.ast.ExprNode in project kalang by kasonyang.

the class AstBuilder method visitExprStat.

@Override
public AstNode visitExprStat(ExprStatContext ctx) {
    ExprNode expr = visitExpression(ctx.expression());
    ExprStmt es = new ExprStmt(expr);
    mapAst(es, ctx);
    return es;
}

Example 47 with ExprNode

use of kalang.ast.ExprNode in project kalang by kasonyang.

the class AstUtil method matchTypes.

/**
 * @param args
 * @param from
 * @param target
 * @return array when matched,null when not
 */
@Nullable
public static ExprNode[] matchTypes(ExprNode[] args, Type[] from, Type[] target) {
    if (args == null)
        return null;
    if (from == null || from.length == 0) {
        if (target == null || target.length == 0) {
            return args;
        } else {
            return null;
        }
    }
    if (from.length != target.length || from.length != args.length) {
        return null;
    }
    if (from.length == 0)
        return new ExprNode[0];
    ExprNode[] newParams = new ExprNode[from.length];
    for (int i = 0; i < from.length; i++) {
        Type f = from[i];
        Type t = target[i];
        newParams[i] = matchType(f, t, args[i]);
        if (newParams[i] == null)
            return null;
    }
    return newParams;
}