How to model C macro defined constants?

[H Zhang]

Following this book section http://www.ats-lang.org/DOCUMENT/INT2PROGINATS/HTML/x2038.html I tried:

macdef RTLD_GLOBAL = $extype(int, "RTLD_GLOBAL")

But patsopt complained:

/home/haitao/pugi-store/pl_dlcall.dats: 201(line=5, offs=22) -- 208(line=5, offs=29): error(parsing): the syntactic entity [d0exp] is needed.

Haitao

[Brandon Barker]

I wonder if it matters if this is a #define'd variable or not.

[Brandon Barker]

apparently it doesn't matter, I tested both cases.

Brandon Barker
brandon...@gmail.com

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[H Zhang]

Apparently it is a syntax error so I assume some syntax has changed and the book section is not up-to-date?

[Brandon Barker]

I think it is a typo: extval seems to work, not extype in this case.

[H Zhang]

Okay I will use extval for now. At least it now parses. Thanks!

[Brandon Barker]

Yeah, the above line in that book even says extval (highlighted in red - not sure how I missed it). I was able to run a program making use of this.

[Haitao Zhang]

Hongwei,

You mentioned you are interested in fixing bugs by your students. Here is one that is in the demo code in the introduction book and I just checked that it is still there. All $exttype should really be $extval in the lower half of the page:

http://www.ats-lang.org/DOCUMENT/INT2PROGINATS/HTML/x2038.html

Haitao

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[gmhwxi]

Thanks! Fixed.