[antlr-interest] tree transformation in Parser PLEASE
Terence Parr
parrt at cs.usfca.edu
Sat Sep 10 10:45:47 PDT 2005
On Aug 26, 2005, at 6:16 AM, Gregor Pardella wrote:
>> Hello,
>>
>> maybe someone is able to help me - I become desperate.
>>
>> My parser is able to parse a statement like this one:
>>
>> a = b = c = 4;
>>
>> and it generates a tree that looks like:
>>
>> <ROOT>
>> |_ =
>> |_ a
>> |_ =
>> |_ b
>> |_ =
>> |_ c
>> |_ 4
Hi Gregor,
What does your construction rule look like? It should be:
assignment: ID EQUALS^ expr ;
or some such thing.
Ter
--
CS Professor & Grad Director, University of San Francisco
Creator, ANTLR Parser Generator, http://www.antlr.org
Cofounder, http://www.jguru.com
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