Hi Klaus,
from your code I cannot tell where exactly you're stuck. A general hint
may be to have a look at the parsec library.
On 02/25/2011 09:51 AM, Hauschild, Klaus (EXT) wrote:
Hi,
Currently I'm trying to lern Haskell by doing. After doing some
examples I plan to solve an ICFP task (see subject). In short: build
an interpreter for a stack based language thata describes a 3D scene.
Ray trace this scene in an image. My current source state can be found
here: _http://code.google.com/p/hgmltracer/source/browse/_
My first goal is to develop the interpreter of the GML language. My
source contains a data GmlToken with various constructors for the
different operators, sequences, int, real, string an so on. Some code
for the evaluation is also there und working.
But the parser converting a string (contained in the program file
provided as command line argument) is hard stuff and I'm stuck.
Can any one help me with ideas or concepts for this parser?
Thanks
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