[antlr-interest] How to handle rule arguments in C

[Jim Idle]

Does your grammar specify the output=AST; option? That is usually the
problem. Also, complicate type definitions in rule parameters tend to come
unstuck, it is usually better to create typedefs the mean the declaration is
simple.

Jim

> -----Original Message-----
> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
> bounces at antlr.org] On Behalf Of George Ruhlmann
> Sent: Friday, October 22, 2010 7:17 AM
> To: antlr-interest at antlr.org
> Subject: [antlr-interest] How to handle rule arguments in C
> 
> I am using ANTLR Version 3.2  My target language is C using VC10 64-
> bit.   I
> am creating a grammar called ASI.
> 
> I have the rule:
> 
> 
> tabledata[simData::ParserAdapter *adapter]
>  :   'DataTableRow' id=INT time[$adapter] values+=STRING*
>             {
> 
>             }
>         ;
> ANTLRWorks 1.4 generates the necessary files with no errors.  When I
> compile the code it generates the error:
> 
> 1>C:\people\feds\SIMDIS-
> X\SDK\include\GeneratedCode/src/ASIParser.c(8449):
> error C2039: 'vectors' : is not a member of 'ASIParser_Ctx_struct'
> 1>
> C:\people\feds\SIMDIS-
> X\SDK\include\GeneratedCode\include\ASIParser.h(242) :
> see declaration of 'ASIParser_Ctx_struct'
> 1>C:\people\feds\SIMDIS-
> X\SDK\include\GeneratedCode/src/ASIParser.c(8449):
> error C2227: left of '->newVector' must point to
> class/struct/union/generic type
> 1>C:\people\feds\SIMDIS-
> X\SDK\include\GeneratedCode/src/ASIParser.c(8449):
> error C2039: 'vectors' : is not a member of 'ASIParser_Ctx_struct'
> According to the book "The Definitive ANTLR Reference", the use of +=
> will place all the arguments in a list, but the C code does not know
> how to make the list object.  What am I doing wrong?
> 
> Thanks,
> 
> George
> 
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