thrift parser output AST and symbols

gistfile1.txt

input = 
namespace java my.first.idl
namespace cpp my.first.idl

struct Column {
    1: required string name;
    2: required string value;
    3: required i64 timestamp;
    4: optional i32 ttl;
}

struct SuperColumn {
    1: required string name;
    2: required list<Column> columns;
}


== definitions
IDLNamespace(java,my.first.idl)
IDLNamespace(cpp,my.first.idl)
IDLStruct(Column,List(StructMember(1,name,TypeString(),true), StructMember(2,value,TypeString(),true), StructMember(3,timestamp,TypeInt64(),true), StructMember(4,ttl,TypeInt32(),false)))
IDLStruct(SuperColumn,List(StructMember(1,name,TypeString(),true), StructMember(2,columns,TypeList(TypeSymbol(Column)),true)))
== registered symbols
(double,TypeDouble())
(i16,TypeInt16())
(i32,TypeInt32())
(string,TypeString())
(i8,TypeInt8())
(i64,TypeInt64())
(SuperColumn,TypeSymbol(SuperColumn))
(Column,TypeSymbol(Column))
(bool,TypeBoolean())