Getting the abstract syntax tree of a C program with GCC [duplicate]

Question

How to get abstract syntax tree of a C program with GCC?

I'm trying to automatically insert OpenMP pragmas to the input C program. I need to analyze nested for loops to find dependencies so that I can insert appropriate OpenMP pragmas.

So basically what I want to traverse and analyze the abstract syntax tree of the input C program.

How do I achieve this?

Look at the plugin feature of gcc if you absolutely want to use gcc, but I think looking at clang is a better option. (BTW, I fail to see how this is Unix or Linux related). — AProgrammer
– AProgrammer, Commented Feb 28, 2013 at 12:32

ismail · Accepted Answer · 2013-02-28 14:30:22Z

1

Use clang with -ast-print option, this is the cleanest way to do it.

answered Feb 28, 2013 at 14:30

ismail

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