test suite for gcc frontend parser?

Hi all,


I am writing some perl scripts to instrument C++ control flow
constructs (e.g. functions, if-then-elses etc.) to dump out code
coverage information.


This involves recognising the constructs and then instrumenting
them. As you may know that these constructs have many syntax
variations such as:


void helloworld() {
}


void helloworld()
{
}


void helloworld(){}


All mean the samething.


Now, I have the following questions:
1. Where can I find the test suite/c++ source files that stresses out gcc's
parser for all possible syntax variations when piped through gcc.
2. Is it all possible that I could use gcc's parser and integrate that into
my scripts. Has anybody ever tried that?
3. Does anybody know of an existing perl c++ parser?
4. Can anyone suggest a code coverage tool that is compiler and architecture
independent?


Thanks in advance for your help
Rizwan

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