[antlr-interest] Summing values from "+="
Des Hartman
des at deshartman.com
Thu Feb 12 03:22:36 PST 2009
I have a simple function to sum values, where expression is numbers with
operands, etc.
sumStat : 'SUM' '(' (e+=expression (',' e+=expression)+) ')' ->
^('SUM' $e);
What I need to know is how I write the action statements to add the various
numbers? Just to complicate it I am doing it using Flex ActionScript? If I
understand it correctly += returns a Java List, so what would be returned
with ActionScript?
^('SUM' e=expression) {$value =??????;}
Thanks
Des
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