Package com.bpodgursky.jbool_expressions.parsers

Examples of com.bpodgursky.jbool_expressions.parsers.BooleanExprParser.expression()

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      ANTLRStringStream input = new ANTLRStringStream(expression);
      TokenStream tokens = new CommonTokenStream(new BooleanExprLexer(input));

      //parser generates abstract syntax tree
      BooleanExprParser parser = new BooleanExprParser(tokens);
      BooleanExprParser.expression_return ret = parser.expression();

      //acquire parse result
      CommonTree ast = (CommonTree) ret.getTree();
      return parse(ast, mapper);
    } catch (RecognitionException e) {
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      ANTLRStringStream input = new ANTLRStringStream(expression);
      TokenStream tokens = new CommonTokenStream(new BooleanExprLexer(input));

      //parser generates abstract syntax tree
      BooleanExprParser parser = new BooleanExprParser(tokens);
      BooleanExprParser.expression_return ret = parser.expression();

      //acquire parse result
      CommonTree ast = (CommonTree) ret.getTree();
      return parse(ast);
    } catch (RecognitionException e) {
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