[antlr-interest] Matching nested actions

Terence Parr parrt at cs.usfca.edu
Fri Jun 23 11:10:21 PDT 2006


On Jun 23, 2006, at 12:13 AM, Emond Papegaaij wrote:

> On Thursday 22 June 2006 17:28, Terence Parr wrote:
>> On Jun 22, 2006, at 12:32 AM, Emond Papegaaij wrote:
>>> protected NESTED_ACTION
>>>
>>>     :   '{' ( NESTED_ACTION | ~('}'|'{') )* '}'
>>>
>>>     ;
>>
>> try "fragment"  not "protected" :)  It thinks there are two identical
>> tokens.
>
> Ah, that helped. What is the exact difference between 'fragment'
> and 'protected'?

protected is technically meaningless ;)

Ter



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