Re: [cdt-dev] AST for a C++ project

[Corbat Thomas <thomas.corbat@xxxxxx>]

Yes, in this case you need to parse all translation units of the CPP files in the project. I first had the impression you wanted to have all occurrences of one specific function. But if you are interested in all function calls you will need parse all sources.

-----Original Message-----
From: cdt-dev-bounces@xxxxxxxxxxx [mailto:cdt-dev-bounces@xxxxxxxxxxx] On Behalf Of sim0s
Sent: Freitag, 2. Dezember 2016 01:03
To: cdt-dev@xxxxxxxxxxx
Subject: Re: [cdt-dev] AST for a C++ project

Thanks Thomas.

"Yes exactly. If you don't specify the flags the whole compilation unit should be parsed. "

I agree with this. However, consider the following simple (& "silly")
scenario: 

=================
//File: myMathFunctions.h
-----------------------------
double perimeter(...);
double area(...);
void printAll(...);

and in myMathFunctions.cpp

//File: myMathFunctions.cpp
-----------------------------
void printAll(...){
   cout << perimeter(...) << endl;
   cout << area(...) << endl;
}


and in myMain.cpp

//File: myMain.cpp
-----------------------------
#include "myMathFunctions.h"
printAll(....);
========================


Then, 

IASTTranslationUnit ast = tu.gesAST();

will give me the AST for myMain.cpp

If I have a visitor that collects all IASTFunctionCallExpressions, I will get only one (ie., printAll), right? 

This make sense since the TranslationUnit corresponds only to a single cpp file. 

Thus, if I want to collect all the function call expressions from all my input files (ie, myMathFunctions.cpp & myMain.cpp), I need to produce ast and assign the visitor to each of these, right?




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