Examples with SelectStatement org.beetl.core.statement.SelectStatement used on opensource projects

Example 1 with SelectStatement

use of org.beetl.core.statement.SelectStatement in project beetl2.0 by javamonkey.

the class AntlrProgramBuilder method parseSelect.

protected SelectStatement parseSelect(SelectStContext selectCtx) {
    // this.pbCtx.enterBlock();
    // this.pbCtx.current.canStopContinueBreakFlag = true;
    G_switchStatmentContext ctx = selectCtx.g_switchStatment();
    ExpressionContext exp = ctx.expression();
    Expression base = exp != null ? this.parseExpress(exp) : null;
    List<G_caseStatmentContext> caseCtxList = ctx.g_caseStatment();
    List<Expression> condtionList = new LinkedList<Expression>();
    List<BlockStatement> blockList = new LinkedList<BlockStatement>();
    for (G_caseStatmentContext caseCtx : caseCtxList) {
        List<ExpressionContext> expCtxList = caseCtx.expression();
        List<StatementContext> statCtxList = caseCtx.statement();
        BlockStatement block = this.parseBlock(statCtxList, caseCtx);
        for (ExpressionContext expCtx : expCtxList) {
            Expression condition = this.parseExpress(expCtx);
            // select case 的条件是||的关系，只要任何一个条件满足，都可以执行block
            condtionList.add(condition);
            blockList.add(block);
        }
    }
    BlockStatement defaultStatement = null;
    G_defaultStatmentContext defaultCtx = ctx.g_defaultStatment();
    if (defaultCtx != null) {
        List<StatementContext> defaultCtxList = ctx.g_defaultStatment().statement();
        defaultStatement = this.parseBlock(defaultCtxList, ctx);
    }
    SelectStatement select = new SelectStatement(base, condtionList.toArray(new Expression[0]), blockList.toArray(new BlockStatement[0]), defaultStatement, this.getBTToken(selectCtx.Select().getSymbol()));
    return select;
}