[fpc-pascal] fcl-passrc package question about source file and line number info

Michael Van Canneyt michael at freepascal.org
Thu Jul 12 20:34:01 CEST 2012

On Thu, 12 Jul 2012, Seth Grover wrote:

> Greetings! I've been using fcl-passrc (PParser and PasTree) to create
> a tool to help me with coverage analysis. Using the example provided
> in the package directory as a starting point, I've created a tool
> which finds the "begin" line number for each function/procedure
> definition and inserts a line of code there to help me keep track
> which functions are called and which aren't in my coverage tests. I've
> got it working great and it's giving me some really useful
> information.
> I was looking at the idea of increasing my granularity by doing this
> for every code block rather than just once at the beginning of every
> function. However, as I'm descending down through the parse tree, I'm
> finding that most of the TPasImplBlock objects have empty
> SourceFilename values and SourceLinenumber is 0. TPasProcedure's
> TProcedureBody's TPasImplBlock has the source file/line number
> information set, but if I descend any lower than that the deeper
> TPasImplBlock do not.
> Could someone with insight into this area give me any idea of why this is?

Oversight, a bug.

I am currently working on the parser, I'll look into this.


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