22 |
|
|
23 |
#define HASHTBLSIZE 2048 |
#define HASHTBLSIZE 2048 |
24 |
|
|
25 |
|
#define CAR(X) ((X)->content.c->car) |
26 |
|
#define CDR(X) ((X)->content.c->cdr) |
27 |
|
|
28 |
|
/* printf, sscanf, fgets, fprintf, fopen, perror */ |
29 |
|
#include <stdio.h> |
30 |
|
/* exit, EXIT_SUCCESS, malloc, free */ |
31 |
|
#include <stdlib.h> |
32 |
|
/* NULL */ |
33 |
|
#include <stddef.h> |
34 |
|
/* dlopen, dlsym, dlerror */ |
35 |
|
#include <dlfcn.h> |
36 |
|
/* strcmp, strcpy, strlen, strcat, strdup */ |
37 |
|
#include <string.h> |
38 |
|
/* getopt, STDIN_FILENO, STDOUT_FILENO, usleep */ |
39 |
|
#include <unistd.h> |
40 |
|
/* EX_NOINPUT, EX_USAGE */ |
41 |
|
#include <sysexits.h> |
42 |
|
/* assert */ |
43 |
|
#include <assert.h> |
44 |
|
/* waitpid */ |
45 |
|
#include <sys/wait.h> |
46 |
|
/* va_list, va_start, va_arg, va_end */ |
47 |
|
#include <stdarg.h> |
48 |
|
/* time */ |
49 |
|
#include <time.h> |
50 |
|
|
51 |
|
#ifdef __linux__ |
52 |
|
/* mtrace, muntrace */ |
53 |
|
#include <mcheck.h> |
54 |
|
/* ioctl */ |
55 |
|
#include <sys/ioctl.h> |
56 |
|
/* KDMKTONE */ |
57 |
|
#include <linux/kd.h> |
58 |
|
#endif /* __linux__ */ |
59 |
|
|
60 |
|
|
61 |
|
|
62 |
/* First, define some types. */ |
/* First, define some types. */ |
63 |
|
|
64 |
struct cons_struct; |
struct cons_struct; |
65 |
struct symbol_struct; |
struct symbol_struct; |
66 |
|
struct environment_struct; |
67 |
|
|
68 |
|
/* A type for pointers to external functions */ |
69 |
|
typedef void (*funcp)(struct environment_struct*); |
70 |
|
/* funcp is a pointer to a void function (environment *) */ |
71 |
|
|
72 |
|
enum type_enum { |
73 |
|
unknown, |
74 |
|
empty, /* The empty list */ |
75 |
|
integer, |
76 |
|
tfloat, |
77 |
|
string, |
78 |
|
func, /* Function pointer */ |
79 |
|
symb, /* Symbol */ |
80 |
|
tcons, /* A pair of two values */ |
81 |
|
port /* An I/O port */ |
82 |
|
}; /* Type of stack element */ |
83 |
|
|
84 |
|
|
85 |
/* A value of some type */ |
/* A value of some type */ |
86 |
typedef struct { |
typedef struct { |
87 |
enum { |
enum type_enum type:4; |
|
empty, /* The empty list */ |
|
|
integer, |
|
|
tfloat, |
|
|
string, |
|
|
func, /* Function pointer */ |
|
|
symb, /* Symbol */ |
|
|
tcons /* A pair of two values */ |
|
|
} type:4; /* Type of stack element */ |
|
88 |
|
|
89 |
union { |
union { |
90 |
struct { |
struct { |
98 |
void *ptr; /* Pointer to the content */ |
void *ptr; /* Pointer to the content */ |
99 |
struct cons_struct *c; /* ...or a pointer to a cons cell */ |
struct cons_struct *c; /* ...or a pointer to a cons cell */ |
100 |
struct symbol_struct *sym; /* ...or a pointer to a symbol */ |
struct symbol_struct *sym; /* ...or a pointer to a symbol */ |
101 |
|
FILE *p; /* ...or an I/O stream */ |
102 |
int i; /* ...or an integer */ |
int i; /* ...or an integer */ |
103 |
float f; /* ...or a floating point number */ |
float f; /* ...or a floating point number */ |
104 |
|
funcp func; /* ...or a function pointer */ |
105 |
|
char *string; /* ...or a string */ |
106 |
} content; /* Stores a pointer or an integer */ |
} content; /* Stores a pointer or an integer */ |
107 |
|
|
108 |
} value; |
} value; |
138 |
value *head; /* Head of the stack */ |
value *head; /* Head of the stack */ |
139 |
hashtbl symbols; /* Hash table of all variable bindings */ |
hashtbl symbols; /* Hash table of all variable bindings */ |
140 |
int err; /* Error flag */ |
int err; /* Error flag */ |
141 |
|
char *errsymb; |
142 |
char *in_string; /* Input pending to be read */ |
char *in_string; /* Input pending to be read */ |
143 |
char *free_string; /* Free this string when all input is |
char *free_string; /* Free this string when all input is |
144 |
read from in_string */ |
read from in_string */ |
151 |
int gc_count; /* Amount currently allocated */ |
int gc_count; /* Amount currently allocated */ |
152 |
} environment; |
} environment; |
153 |
|
|
|
/* A type for pointers to external functions */ |
|
|
typedef void (*funcp)(environment*); /* funcp is a pointer to a void |
|
|
function (environment *) */ |
|
154 |
|
|
155 |
void init_env(environment*); |
void init_env(environment*); |
156 |
void printerr(const char*); |
void printerr(environment*); |
157 |
extern void toss(environment*); |
extern void toss(environment*); |
158 |
symbol **hash(hashtbl, const char*); |
symbol **hash(hashtbl, const char*); |
159 |
value* new_val(environment*); |
value* new_val(environment*); |
169 |
char *mangle_str(const char*); |
char *mangle_str(const char*); |
170 |
extern void mangle(environment*); |
extern void mangle(environment*); |
171 |
void push_sym(environment*, const char*); |
void push_sym(environment*, const char*); |
172 |
extern void nl(); |
extern void nl(environment*); |
173 |
|
extern void nlport(environment*); |
174 |
extern void type(environment*); |
extern void type(environment*); |
175 |
void print_val(value*, int, stackitem*); |
void print_val(environment *, value*, int, stackitem*, FILE*); |
176 |
extern void print_(environment*); |
extern void print_(environment*); |
177 |
extern void print(environment*); |
extern void print(environment*); |
178 |
extern void princ_(environment*); |
extern void princ_(environment*); |
179 |
extern void princ(environment*); |
extern void princ(environment*); |
180 |
void print_st(value*, long); |
extern void printport_(environment*); |
181 |
|
extern void printport(environment*); |
182 |
|
extern void princport_(environment*); |
183 |
|
extern void princport(environment*); |
184 |
|
void print_st(environment*, value*, long); |
185 |
extern void printstack(environment*); |
extern void printstack(environment*); |
186 |
extern void swap(environment*); |
extern void swap(environment*); |
187 |
extern void rot(environment*); |
extern void rot(environment*); |
217 |
extern void foreach(environment*); |
extern void foreach(environment*); |
218 |
extern void to(environment*); |
extern void to(environment*); |
219 |
extern void readline(environment*); |
extern void readline(environment*); |
220 |
|
extern void readlineport(environment*); |
221 |
|
void readlinestream(environment*, FILE*); |
222 |
extern void sx_72656164(environment*); |
extern void sx_72656164(environment*); |
223 |
|
extern void readport(environment*); |
224 |
|
void readstream(environment*, FILE*); |
225 |
extern void beep(environment*); |
extern void beep(environment*); |
226 |
extern void sx_77616974(environment*); |
extern void sx_77616974(environment*); |
227 |
extern void copying(environment*); |
extern void copying(environment*); |
235 |
extern void car(environment*); |
extern void car(environment*); |
236 |
extern void cdr(environment*); |
extern void cdr(environment*); |
237 |
extern void cons(environment*); |
extern void cons(environment*); |
238 |
|
extern void assq(environment*); |
239 |
|
void assocgen(environment*, funcp); |
240 |
|
extern void sx_646f(environment *); |
241 |
|
extern void sx_6f70656e(environment*); |
242 |
|
extern void sx_636c6f7365(environment*); |
243 |
|
int check_args(environment*, int, ...); |