All you need do is accumulate the text in a stringbuffer:
( s=TOK { sbuf.append($s.text); }) +
Then use the string you have accumulated to set the text of an imaginary or
even the last TOK (which will be in s).
->IMAGINARY[sbuf.toString()]
Should work fine.
Jim
From: [email protected]
[mailto:[email protected]] On Behalf Of Jeffrey Cameron
Sent: Monday, October 19, 2009 2:32 AM
To: [email protected]
Subject: [antlr-interest] Combining multiple tokens
I have two parser rules in my grammar where I am trying to wrap the complete,
concatenated text of a series of tokens into a single token for a tree grammar.
The rules look like this:
#1:
cell : (~(VBAR|EOL))* ;
in this case I would like to write something like this:
cell : (~(VBAR|EOL))* -> TABLECELL[$cell.text] ;
but when I put that syntax in I get an exception.
#2:
line_to_eol : ( options {greedy=false;} : . )* EOL ;
I would like to do something like the same as above but ignore the EOL token,
so something like this:
line_to_eol : stuff+=( options {greedy=false;} : . )* EOL -> TEXT[$stuff.text] ;
Can someone tell me when I am doing wrong in here and how to correct it? I'm a
bit stuck here and every other part of my grammar is working as expected.
Thanks in advance
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