code.h

#include <stdio.h>
#include <stdlib.h>
#include "const.h"

#define MAX_TABLE_SIZE 5000

void init_symbol_table();
char * install_symbol(char *s);
int look_up_symbol(char *s);
int look_up_symbol_kw(char *s);
void pop_up_symbol(int scope);
void set_scope_and_offset_of_param(char *s);
void set_local_vars(char *functor);
void set_global_vars(char *s);
void code_gen_func_header(char *functor);
void code_gen_global_vars();
void code_gen_at_end_of_function_body(char *functor);
char * copyn(register int n, register char *s);
char * copys(char *s);

typedef struct symbol_entry *PTR_SYMB;
struct symbol_entry {
   char *name;
   int scope;
   int offset;
   int id;
   int variant;
   int type;
   int total_args;
   int total_locals;
   int mode;
   int functor_index; /* add for risc-v, 2020 by Jenq-Kuen Lee */
}  table[MAX_TABLE_SIZE];

#define T_FUNCTION 1
#define ARGUMENT_MODE   2
#define LOCAL_MODE      4
#define GLOBAL_MODE     8

extern int cur_scope;
extern int cur_counter;
extern FILE* codegen;