|regular-like grammars firstname.lastname@example.org (Ralph Boland) (2001-09-03)|
|From:||Ralph Boland <email@example.com>|
|Date:||3 Sep 2001 22:53:51 -0400|
|Organization:||University of New Brunswick|
|Keywords:||parse, theory, question|
|Posted-Date:||03 Sep 2001 22:53:51 EDT|
Consider the class of an EBNF context free grammars subject to the
restriction that a non-terminal symbol may only be used in a
production after it is defined. Such grammars can easily be converted
into a single production by repeated substitutions. Thus the
languages specified by these grammars can also be specified by regular
expressions and regular grammars.
Can I call such a grammar a regular grammar or does it have a
We can also generalize such grammars by allowing a non-terminal to be
used in the production which defines the non-terminal. Such grammars
are generally more powerful than regular expressions or regular
Does this class of grammars have a name?
Any references to either class of grammars would be most helpful to
I will be teaching about these grammars in my compiler construction
course this fall.
Return to the
Search the comp.compilers archives again.