25 |
/* First, define some types. */ |
/* First, define some types. */ |
26 |
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27 |
struct cons_struct; |
struct cons_struct; |
28 |
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struct symbol_struct; |
29 |
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30 |
/* A value of some type */ |
/* A value of some type */ |
31 |
typedef struct { |
typedef struct { |
49 |
union { |
union { |
50 |
void *ptr; /* Pointer to the content */ |
void *ptr; /* Pointer to the content */ |
51 |
struct cons_struct *c; /* ...or a pointer to a cons cell */ |
struct cons_struct *c; /* ...or a pointer to a cons cell */ |
52 |
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struct symbol_struct *sym; /* ...or a pointer to a symbol */ |
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int i; /* ...or an integer */ |
int i; /* ...or an integer */ |
54 |
float f; /* ...or a floating point number */ |
float f; /* ...or a floating point number */ |
55 |
} content; /* Stores a pointer or an integer */ |
} content; /* Stores a pointer or an integer */ |
87 |
stackitem *gc_ref; |
stackitem *gc_ref; |
88 |
int gc_limit, gc_count; |
int gc_limit, gc_count; |
89 |
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90 |
cons *head; /* Head of the stack */ |
value *head; /* Head of the stack */ |
91 |
hashtbl symbols; /* Hash table of all variable bindings */ |
hashtbl symbols; /* Hash table of all variable bindings */ |
92 |
int err; /* Error flag */ |
int err; /* Error flag */ |
93 |
char *in_string; /* Input pending to be read */ |
char *in_string; /* Input pending to be read */ |
118 |
void push_sym(environment*, const char*); |
void push_sym(environment*, const char*); |
119 |
extern void nl(); |
extern void nl(); |
120 |
extern void type(environment*); |
extern void type(environment*); |
121 |
void print_h(cons*, int); |
void print_h(value*, int); |
122 |
extern void print_(environment*); |
extern void print_(environment*); |
123 |
extern void print(environment*); |
extern void print(environment*); |
124 |
extern void princ_(environment*); |
extern void princ_(environment*); |
125 |
extern void princ(environment*); |
extern void princ(environment*); |
126 |
void print_st(cons*, long); |
void print_st(value*, long); |
127 |
extern void printstack(environment*); |
extern void printstack(environment*); |
128 |
extern void swap(environment*); |
extern void swap(environment*); |
129 |
extern void rot(environment*); |
extern void rot(environment*); |