Marco van de Voort wrote:
On Fri, Nov 23, 2007 at 12:56:21AM +0100, willem wrote:
Marco van de Voort wrote:
On Thu, Nov 22, 2007 at 07:52:59PM +0100, willem wrote:
I know that the lazarus grammar is based on yacc
I did some google search on the fpc
I do know that google searches results are not always correct.
I a a newby to the lazarus project.
but i did study compiler comnstruction 30 years ago.
Pascal has been founded by Prof niklaus Wirth as an an educational computer
language
and he has extended the backus -nauer form to EBNF.
Well I am going to extend ENBF with XML.
Why? EBNF to readable?
Yes making it readable by addening comment to the grammar and the
progress status of new grmmar.
Grammar is very important as a base to study a language.
Certainly. Though not always for compiler construction. But more
importantly, regardless if you use it for a compiler or not, it needs to be
correct. And validating is an huge problem, since there is no complete
description of the Delphi language anywhere.
Yes I agree validating is very important.
The DGROK project is also working on the delphi grammar.
http://www.excastle.com/dgrok/grammar.html
DGROK is a tool for seeking through delphi code.
The only argument I heard that it is "you downloaded it from the net".
The FPC is recursive descent and is not based on yacc. Syntax highlighter
parsers don't have to be 100% correct.
Before you start you might also learn your target better, and at least
have
an idea how you are going to tackle porting unmanaged constructs to a
managed version.
Sorry you are wrong.
I have already the delphi grammar for antlr
There is even one in the Delphi's manual. But even that is not complete.
How
can you be so sure yours is?
DGROK claims to have their grammar 100 % completed.
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