HPCC-9799 Status

Working, need to add brackets. Deals with a mix of id and integer math (+-*/).

To compile with new parser use:

eclcc -printsyntaxtree file.ecl

or

eclcc -printsyntaxtree file.ecl > AST.dot; dot -Tpdf -O AST.dot

Signed-off-by: jamienoss <james.noss@lexisnexis.com>