[SYSTEMDS-763] Remove PyDML grammar dataIdentifier warnings during build

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: SystemML 0.10
• Fix Version/s: SystemML 0.11
• Component/s: Parser
• Assignee: Tatsuya Nishiyama
• Reporter: Jon Deron Eriksson
• Created: 15/Jun/16 22:53
• Updated: 08/Jul/16 15:27
• Resolved: 08/Jul/16 15:27

Description

During the build, the following warnings occur for the Pydml grammar:

[WARNING] warning(154): org/apache/sysml/parser/pydml/Pydml.g4:224:0: rule 'dataIdentifier' contains an optional block with at least one alternative that can match an empty string
[WARNING] /Users/deroneriksson/Documents/workspace/incubator-systemml/org/apache/sysml/parser/pydml/Pydml.g4 [224:0]: rule 'dataIdentifier' contains an optional block with at least one alternative that can match an empty string
[WARNING] warning(154): org/apache/sysml/parser/pydml/Pydml.g4:224:0: rule 'dataIdentifier' contains an optional block with at least one alternative that can match an empty string
[WARNING] /Users/deroneriksson/Documents/workspace/incubator-systemml/org/apache/sysml/parser/pydml/Pydml.g4 [224:0]: rule 'dataIdentifier' contains an optional block with at least one alternative that can match an empty string
[WARNING] warning(154): org/apache/sysml/parser/pydml/Pydml.g4:224:0: rule 'dataIdentifier' contains an optional block with at least one alternative that can match an empty string
[WARNING] /Users/deroneriksson/Documents/workspace/incubator-systemml/org/apache/sysml/parser/pydml/Pydml.g4 [224:0]: rule 'dataIdentifier' contains an optional block with at least one alternative that can match an empty string