Comments by HishamMohammedA

HishamMohammedA 21-Oct-20 13:30pm View

I tired regex but you are right I must know the part that I have to handle it, so maybe I will ask the user to put a mark or something before the part I want to take to make it easier since the string will change each time.
Thank you Richard for helping me.

HishamMohammedA 21-Oct-20 12:21pm View

sorry for separating the two comments but it refuses to put the full string.
In indexOf, I can put the letter "c" and it will cut what comes after but as you can see in this case I already know the example but what if cout is changed then I can't rely on the letter "c" so I want to use if condition regex so it will cut what comes after it and save it in a new string

HishamMohammedA 21-Oct-20 12:18pm View

for example, if I have a String like this, String str ="if(i=1)cout<

HishamMohammedA 21-Oct-20 12:09pm View

Thank you for your replay @Richard, but my main issue is that as I mention my text will be different each time and I am only looking for the text that I want to extract by using regex as a parameter but I believe the indexOf can't receive regex as a parameter.

HishamMohammedA 21-Oct-20 9:14am View

I knew how to use IndexOf to find the index number of the text, but in that case, how do I save it the text that I extracted in another String?

HishamMohammedA 20-Oct-20 17:35pm View

can you provide an example

HishamMohammedA 20-Oct-20 16:16pm View

the string is not constant which means it will be different each time, so I don't know the index or substring of it because it can be different each time.

HishamMohammedA 6-Oct-20 16:22pm View

I am sorry Richard, excuse my English maybe my explanation wasn't good enough.
let's say I have this statement:
a[i] = b[i] + c[i];
now I have split them into two-parts
the left side part -> a[i]
and the right side part -> b[i] + c[i]
I know when I compare between them it will be false, but I don't know how to split the second part of the string (right side) into two string like:
b[i]
c[i]
I am trying to do dependency analysis and in dependency analysis
if we have statement like this:a[i] = b[i] + c[i] there is no dependency so the test return true here but in this example:
a[i] = b[i] + a[i+1]; the dependency analysis should return false, why, because when we compare
a[i] with b[i] no depencency but when we compare a[i] with a[i+1] there is loop carried depencency

HishamMohammedA 6-Oct-20 15:50pm View

Can you elaborate please, because I didn't understand

HishamMohammedA 6-Oct-20 15:33pm View

it is still the same question, nothing change but all I was saying is that I already take the strings using antlr and I don't know how to fully utilize it that's why I am trying with strings now.

HishamMohammedA 6-Oct-20 15:23pm View

I already receive the string using antlr getText() method but I was facing a problem when I tried to take each node because I don't know how to go deep in the tree.

HishamMohammedA 6-Oct-20 14:20pm View

okay, I was able to locate for loop but now I have a problem of recognizing the nested loop when I use visitor.

I am using this peace of grammar,
iterationstatement
: While '(' condition ')' statement #WhileStatement
| Do statement While '(' expression ')' ';' #DoWhileStatemen
| For '(' forinitstatement condition? ';' expression? ')' statement #ClassicForStatement
;
to visit for loop and write above it, after doing some analysis on the string forStr.

public T visitClassicForStatement(GrammarParser.ClassicForStatementContext ctx) {
String forStr =ctx.statement().compoundstatement().statementseq().statement().getText();

this string supposes to be statements inside the for loop, but I am facing a problem that when I put nested loop and when I receive this text I receive the for loop with it.
the problem is:
when I am receiving a statement like this:
for(){statements}
my analysis work on statements just fine but when I receive it like this:
for(){for(){statments}}
I have a problem because the inner loop comes with statements and this makes a problem for my way to analyze.

How I can ignore the inner for loop and take only statements like the way I take it when I have only a single loop, and write only above the outer loop.

this is the grammar that I use:
https://gofile.io/d/CLRikA

Comments by HishamMohammedA (Top 12 by date)