Examples with ConstantContext jetbrick.template.parser.grammer.JetTemplateParser.ConstantContext used on opensource projects

Example 1 with ConstantContext

use of jetbrick.template.parser.grammer.JetTemplateParser.ConstantContext in project jetbrick-template-1x by subchen.

the class JetTemplateCodeVisitor method visitExpr_math_unary_suffix.

@Override
public Code visitExpr_math_unary_suffix(Expr_math_unary_suffixContext ctx) {
    ExpressionContext expression = ctx.expression();
    SegmentCode code = (SegmentCode) expression.accept(this);
    String op = ctx.getChild(1).getText();
    assert_not_null_constantContext(expression);
    // ++, --
    if (expression.getChildCount() == 1 && expression.getChild(0) instanceof ConstantContext) {
        throw reportError("Invalid argument to operation " + op + ", required: variable, found Value", expression);
    }
    // 类型检查
    Class<?> resultKlass = PromotionUtils.get_unary_inc_dec(code.getKlass(), op);
    if (resultKlass == null) {
        throw reportError("The UnaryOperator \"" + op + "\" is not applicable for the operand " + code.getKlassName(), ctx.getChild(1));
    }
    String source = "(" + code.toString() + op + ")";
    return new SegmentCode(code.getTypedKlass(), source, ctx);
}

Example 2 with ConstantContext

use of jetbrick.template.parser.grammer.JetTemplateParser.ConstantContext in project jetbrick-template-1x by subchen.

the class JetTemplateCodeVisitor method visitExpr_math_unary_prefix.

@Override
public Code visitExpr_math_unary_prefix(Expr_math_unary_prefixContext ctx) {
    ExpressionContext expression = ctx.expression();
    SegmentCode code = (SegmentCode) expression.accept(this);
    String op = ctx.getChild(0).getText();
    assert_not_null_constantContext(expression);
    // 类型检查
    Class<?> resultKlass;
    if (op.length() == 1) {
        // +, -, ~
        resultKlass = PromotionUtils.get_unary_basic(code.getKlass(), op);
    } else {
        // ++, --
        if (expression.getChildCount() == 1 && expression.getChild(0) instanceof ConstantContext) {
            throw reportError("Invalid argument to operation " + op + ", required: variable, found Value", expression);
        }
        resultKlass = PromotionUtils.get_unary_inc_dec(code.getKlass(), op);
    }
    if (resultKlass == null) {
        throw reportError("The UnaryOperator \"" + op + "\" is not applicable for the operand " + code.getKlassName(), ctx.getChild(0));
    }
    String source = "(" + op + code.toString() + ")";
    return new SegmentCode(code.getTypedKlass(), source, ctx);
}