| |
by: Peri |
last post by:
I'm trying to create Python parser/interpreter using ANTLR.
Reading grammar from language refference I found:
or_expr::= xor_expr | or_expr "|" xor_expr
For me it looks like infinite recursion. And so it says ANTLR. Maybe I
don't understand EBNF notation. For me it should look like this.
or_expr::= xor_expr | xor_expr "|" xor_expr
and in...
|
| |
by: Profetas |
last post by:
Hi.
I was wondering how can I access the yacc functions?
because when use a normal yacc function such as
qstring {
yylval.string = strdup(yytext+1);
if(yylval.string !='"')
warning("Undeterminated Character strig",(char
*)0);
else
|
by: ben |
last post by:
getting a bit confused with the details of how c's grammar is
specified, especially when you get self-reference like in this:
postfix-expression:
primary-expression
postfix-expression
postfix-expression ( argument-expression-listopt )
postfix-expression . identifier
postfix-expression -> identifier
postfix-expression ++
|
by: junky_fellow |
last post by:
I got one link to the ANSI C Grammar
http://www.lysator.liu.se/c/ANSI-C-grammar-y.html
However, I don't know how to understand this grammar. I am
not a Computer Science Guy. Can anybody please help me
about how to understand this grammar. Is there any good book
on this ? Or anybody knows about some link from where a
beginner like me start...
|
| |
by: EKEY |
last post by:
Hello,
sorry this is not a qt-related question.
I need the C++ grammar ( .y file and .l file) in Lex/Yacc source.
Could someone help me ?
Thanks
EKEY
|
by: junky_fellow |
last post by:
Hi,
Is any one aware of some link that has the grammar files (yacc and lex
files)
for command interpreter like shell ?
thanks a lot for any pointers ....
|
by: xahlee |
last post by:
In the past weeks i've been thinking over the problem on the practical
problems of regex in its matching power. For example, often it can't
be used to match anything of nested nature, even the most simple
nesting. It can't be used to match any simple grammar expressed by
BNF. Some rather very regular and simple languages such as XML, or
even...
|
by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main...
|
by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that...
|
by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For...
|
| |
by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then...
|
by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert...
|
by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in...
|
by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
|
by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
|
by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating...
|
