Examples with ExpressionContext kalang.antlr.KalangParser.ExpressionContext used on opensource projects

Example 6 with ExpressionContext

use of kalang.antlr.KalangParser.ExpressionContext in project kalang by kasonyang.

the class AstBuilder method visitArrayExpr.

@Override
public Object visitArrayExpr(KalangParser.ArrayExprContext ctx) {
    ExprNode[] initExprs;
    List<ExpressionContext> exprCtx = ctx.expression();
    if (exprCtx != null) {
        initExprs = new ExprNode[exprCtx.size()];
        for (int i = 0; i < initExprs.length; i++) {
            initExprs[i] = visitExpression(exprCtx.get(i));
        }
    } else {
        initExprs = new ExprNode[0];
    }
    TypeContext typeCtx = ctx.type();
    Type type;
    if (typeCtx != null) {
        type = parseType(typeCtx);
    } else {
        type = TypeUtil.getCommonType(AstUtil.getExprTypes(initExprs));
    }
    for (int i = 0; i < initExprs.length; i++) {
        if (exprCtx == null)
            throw Exceptions.unexceptedValue(exprCtx);
        initExprs[i] = requireCastable(initExprs[i], initExprs[i].getType(), type, exprCtx.get(i).getStart());
        if (initExprs[i] == null)
            return null;
    }
    ExprNode arrExpr = createInitializedArray(type, initExprs);
    mapAst(arrExpr, ctx);
    return arrExpr;
}

Example 7 with ExpressionContext

use of kalang.antlr.KalangParser.ExpressionContext in project kalang by kasonyang.

the class AstBuilder method visitExpressions.

@Override
public List<Statement> visitExpressions(ExpressionsContext ctx) {
    List<Statement> list = new LinkedList();
    for (ExpressionContext e : ctx.expression()) {
        ExprNode expr = visitExpression(e);
        list.add(new ExprStmt(expr));
    }
    return list;
}