Hi,
I'm trying to collect all the StringTemplates created by all instances of one
rule (borg) into a StringTemplate for a containing rule (prog). But I can't
seem to find the right syntax:
options {
output = template;
language = CSharp3;
tokenVocab=Tree1;
ASTLabelType = CommonTree;
}
public prog
: (b+=borg)+ -> template(vals = {$b})
<<
{ // prog
<vals; separator = ",">
}
>> ;
The syntax I tried above is one many approaches I've tried - none seem to work.
Antlr3 runs without error but the code won't compile. I hope the intent is
clear, as it is a pretty simple example. I've looked back and forth in
Terence's book trying to find something like this, and in the examples, but so
far I've struck out. It seems like a very common thing to try to do!
One strange thing is that when I look at the generated code, the list for b
(list_b) is declared as List<CommonTree>. But Terence's books says is should be
List<StringTemplate> when the output type is template. Later in the generated
code, when it tries to add to the list, it tries to create a
List<StringTemplate>, which seems right, but causes a compiler error. It almost
seems like a bug, but I probably just don't understand.
Can anyone help me with this?
- Andy
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