SWIG Error: Syntax error in input

GNU Radio
1

Hi!

I’ve been creating a block based on the howto create a block example.
But this time something strange happened and I can’t seem to find the
cause.

I already had several input parameters in the altered version of the
block,
but after adding the variable “frequency” in the input I started getting
this compilation error:

/usr/bin/swig -c++ -fvirtual -python -modern
-I/usr/local/include/gnuradio/swig -I/usr/local/include/gnuradio
-module
howto -o howto.cc …/…/src/lib/howto.i
…/…/src/lib/howto.i:58: Error: Syntax error in input(3).

The line it points me to didn’t suffer any changes because its on a
diferent
block.( This is what’s confusing me…)

If someone could spot the error, I’d be much appreciated.

Next is the relevant code:

howto.i<<<
// ----------------------------------------------------------------
GR_SWIG_BLOCK_MAGIC(howto,co_cx_stat);

howto_co_cx_stat_sptr howto_make_co_cx_stat ( unsigned int vector_size,

unsigned int sampling,

unsigned int frequency,

unsigned int fftsize,

char *filename);

class howto_co_cx_stat : public gr_block
{
private:
howto_co_cx_stat (unsigned int vector_size,
unsigned int sampling,
unsigned int frequency,
unsigned int fftsize,
char *filename);

public:
int create_new_log(char file_name[255]);
};

// ----------------------------------------------------------------
GR_SWIG_BLOCK_MAGIC(howto,buffer_sink);

howto_buffer_sink_sptr howto_make_buffer_sink (unsigned int vector_size,
float center_f, unsigned int fft_size, float f_sample);

class howto_buffer_sink : public gr_sync_block
{
private:
howto_buffer_sink (unsigned int vector_size, float center_f, unsigned
int
fft_size, float f_sample);

public:
std::vector out_freq () const;
std::vector out_mag () const; <<<<<<<<<<<<<<<<<
LINE 58
std::vector out_fft () const;
std::vector out () cons;
int SetFrequency(float freq);
};

howto_co_cx_stat.cc<<<
/*

  • Create a new instance of howto_co_cx_stat and return
  • a boost shared_ptr. This is effectively the public constructor.
    */
    howto_co_cx_stat_sptr
    howto_make_co_cx_stat ( unsigned int vector_size,
    unsigned int sampling,
    unsigned int frequency,
    unsigned int fftsize,
    char *filename)
    {
    return howto_co_cx_stat_sptr (new howto_co_cx_stat
    (vector_size,sampling,frequency,fftsize,filename));
    }

/*

  • The private constructor
    */
    howto_co_cx_stat::howto_co_cx_stat (unsigned int vector_size,
    unsigned int
    sampling,
    unsigned int
    frequency,
    unsigned int
    fftsize,
    char filename)
    : gr_block (“co_cx_stat”,
    gr_make_io_signature (MIN_IN, MAX_IN, vector_size    sizeof
    (gr_complex)),
    gr_make_io_signature (MIN_OUT, MAX_OUT, sizeof (float))),
    d_vector_size(vector_size),
    d_sampling(sampling),
    d_frequency(frequency),
    d_fftsize(fftsize)
    {
    }

howto_co_cx_stat.h<<<

howto_co_cx_stat_sptr howto_make_co_cx_stat (unsigned int vector_size,

unsigned int sampling,

unsigned int frequency,

unsigned int fftsize,

char *filename);

class howto_co_cx_stat : public gr_block
{
private:
friend howto_co_cx_stat_sptr
howto_make_co_cx_stat (unsigned int vector_size,

unsigned int sampling,

unsigned int frequency,

unsigned int fftsize,
char
*filename);

howto_co_cx_stat (unsigned int vector_size,
unsigned int sampling,
unsigned int frequency,
unsigned int fftsize,
char *filename); // private
constructor

unsigned int d_vector_size;
unsigned int d_sampling;
unsigned int d_fftsize;
unsigned int d_frequency;
char d_filename[255];

public:
~howto_co_cx_stat (); // public destructor

int general_work (int noutput_items,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);

int create_new_log(char file_name[255]);
}

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