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WACC Compiler - Code Input and Execution


begin
    int fibonacci(int n, bool toPrint) is
        if n <= 1
            then
                return n
            else
                skip
        fi ;
        int f1 = call fibonacci(n - 1, toPrint) ;
        if toPrint
            then
                print f1 ;
                print ", "
            else
                skip
        fi ;
        int f2 = call fibonacci(n - 2, false) ;
        return f1 + f2
    end

    println "The first 20 fibonacci numbers are:" ;
    print "0, " ;
    int result = call fibonacci(19, true) ;
    print result ;
    println "..."
end

Program Console:

Press "Compile & Run" to compile and execute the code inside the sandboxed virtual machine.

Program input (stdin) - one value per line for WACC "read" statements:

Standard Output(ERROR AND TAC):

Compilation to C Result:

Compilation to x86 Assembly Result: