cgen.h

#pragma once

#include <stdint.h>
#include "hashtable.h"

/*
    String streams are handy for using standard C-library
    functions to produce formatted strings.
*/
typedef struct sstream {
    char *buffer;
    size_t bufsize;
    FILE *stream;
} sstream;

void ssopen(sstream *S);

void ssflush(sstream *S);

void ssclose(sstream *S);


/*
    This function takes the same arguments as printf,
    but returns a new string with the output value in it.
 */
char* template(const char *pat, ...);

/* wrapper for cleaning flex and hashtable */
void flex_closure();

/* This is the function used to report errors in the translation. */
void yyerror(char const *pat, ...);

/* This is set to the number of calls to yyerror */
extern uint32_t yyerror_count;


/* This is output at the head of a c program. */
extern const char *c_prologue;

/*
    Make a C string literal out of a PTUC string literal.
    Return the corrected string (maybe the same as P).
*/
char *string_ptuc2c(char *P);