I'm trying to implement a SQL parser.
I'm working from the SQLite grammar.
I need to return a column type. (e.g. var char)
The problem is that there is no vectors in the ctx structure.
I have not been able to find and example of using the vectors.
If I use name = ID+
then the name is just stomped with char, the var is gone.
Please help.
Please direct me where I see and example of using the C vectors.
How to include them, how to access them, how to make the generated code complie.
thanks
thanks
Jeffrey
\
type_name returns [ColumnTypeData ctd]
@init {
int cnt;
cnt = 0;
ctd.name = NULL;
ctd.scale = 0;
ctd.precision = 0;
}
: name+=ID+ (LPAREN size1=signed_number (COMMA size2=signed_number)?
RPAREN)?
{
}
;
Generates (edited)
{
name = (pANTLR3_COMMON_TOKEN) MATCHT(ID,
&FOLLOW_ID_in_type_name1283);
if (HASEXCEPTION())
{
goto ruletype_nameEx;
}
if (list_name == NULL)
{
list_name=ctx->vectors->newVector(ctx->vectors);
}
list_name->add(list_name, name, NULL);
}
break;
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