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#define HASHTBLSIZE 2048 |
#define HASHTBLSIZE 2048 |
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#define CAR(X) ((X)->content.c->car) |
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#define CDR(X) ((X)->content.c->cdr) |
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/* printf, sscanf, fgets, fprintf, fopen, perror */ |
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#include <stdio.h> |
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/* exit, EXIT_SUCCESS, malloc, free */ |
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#include <stdlib.h> |
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/* NULL */ |
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#include <stddef.h> |
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/* dlopen, dlsym, dlerror */ |
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#include <dlfcn.h> |
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/* strcmp, strcpy, strlen, strcat, strdup */ |
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#include <string.h> |
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/* getopt, STDIN_FILENO, STDOUT_FILENO, usleep */ |
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#include <unistd.h> |
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/* EX_NOINPUT, EX_USAGE */ |
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#include <sysexits.h> |
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/* assert */ |
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#include <assert.h> |
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#ifdef __linux__ |
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/* mtrace, muntrace */ |
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#include <mcheck.h> |
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/* ioctl */ |
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#include <sys/ioctl.h> |
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/* KDMKTONE */ |
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#include <linux/kd.h> |
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#endif /* __linux__ */ |
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/* First, define some types. */ |
/* First, define some types. */ |
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struct cons_struct; |
struct cons_struct; |
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struct symbol_struct; |
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struct environment_struct; |
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/* A type for pointers to external functions */ |
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typedef void (*funcp)(struct environment_struct*); |
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/* funcp is a pointer to a void function (environment *) */ |
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/* A value of some type */ |
/* A value of some type */ |
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typedef struct { |
typedef struct { |
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enum { |
enum { |
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empty, /* The empty list */ |
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integer, |
integer, |
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tfloat, |
tfloat, |
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string, |
string, |
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func, /* Function pointer */ |
func, /* Function pointer */ |
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symb, /* Symbol */ |
symb, /* Symbol */ |
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tcons /* A pair of two values */ |
tcons, /* A pair of two values */ |
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port /* An I/O port */ |
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} type:4; /* Type of stack element */ |
} type:4; /* Type of stack element */ |
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union { |
union { |
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union { |
union { |
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void *ptr; /* Pointer to the content */ |
void *ptr; /* Pointer to the content */ |
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struct cons_struct *c; /* ...or a pointer to a cons cell */ |
struct cons_struct *c; /* ...or a pointer to a cons cell */ |
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struct symbol_struct *sym; /* ...or a pointer to a symbol */ |
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FILE *p; /* ...or an I/O stream */ |
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int i; /* ...or an integer */ |
int i; /* ...or an integer */ |
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float f; /* ...or a floating point number */ |
float f; /* ...or a floating point number */ |
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funcp func; /* ...or a function pointer */ |
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char *string; /* ...or a string */ |
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} content; /* Stores a pointer or an integer */ |
} content; /* Stores a pointer or an integer */ |
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} value; |
} value; |
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typedef struct cons_struct { /* A pair of two values */ |
typedef struct cons_struct { /* A pair of two values */ |
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value *car; |
value *car; |
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value *cdr; |
value *cdr; |
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} cons; |
} pair; |
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/* A symbol with a name and possible value */ |
/* A symbol with a name and possible value */ |
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/* (These do not need reference counters, they are kept unique by |
/* (These do not need reference counters, they are kept unique by |
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/* An environment; gives access to the stack and a hash table of |
/* An environment; gives access to the stack and a hash table of |
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defined symbols */ |
defined symbols */ |
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typedef struct { |
typedef struct { |
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stackitem *gc_ref; |
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int gc_limit, gc_count; |
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value *head; /* Head of the stack */ |
value *head; /* Head of the stack */ |
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hashtbl symbols; /* Hash table of all variable bindings */ |
hashtbl symbols; /* Hash table of all variable bindings */ |
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int err; /* Error flag */ |
int err; /* Error flag */ |
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read from in_string */ |
read from in_string */ |
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FILE *inputstream; /* stdin or a file, most likely */ |
FILE *inputstream; /* stdin or a file, most likely */ |
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int interactive; /* print prompts, stack, etc */ |
int interactive; /* print prompts, stack, etc */ |
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/* Garbage Collector stuff*/ |
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stackitem *gc_ref; /* Stack of all allocated values */ |
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int gc_limit; /* Run GC when this much is allocated */ |
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int gc_count; /* Amount currently allocated */ |
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} environment; |
} environment; |
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/* A type for pointers to external functions */ |
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typedef void (*funcp)(environment*); /* funcp is a pointer to a void |
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function (environment *) */ |
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void init_env(environment*); |
void init_env(environment*); |
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void printerr(const char*); |
void printerr(const char*); |
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symbol **hash(hashtbl, const char*); |
symbol **hash(hashtbl, const char*); |
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value* new_val(environment*); |
value* new_val(environment*); |
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void gc_mark(value*); |
void gc_mark(value*); |
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void gc_maybe(environment *env); |
void gc_maybe(environment*); |
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extern void gc_init(environment*); |
extern void gc_init(environment*); |
152 |
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void protect(value*); |
153 |
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void unprotect(value*); |
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void push_val(environment*, value*); |
void push_val(environment*, value*); |
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void push_int(environment*, int); |
void push_int(environment*, int); |
156 |
void push_float(environment*, float); |
void push_float(environment*, float); |
158 |
char *mangle_str(const char*); |
char *mangle_str(const char*); |
159 |
extern void mangle(environment*); |
extern void mangle(environment*); |
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void push_sym(environment*, const char*); |
void push_sym(environment*, const char*); |
161 |
extern void nl(); |
extern void nl(environment*); |
162 |
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extern void nlport(environment*); |
163 |
extern void type(environment*); |
extern void type(environment*); |
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void print_h(value*, int); |
void print_val(environment *, value*, int, stackitem*, FILE*); |
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extern void print_(environment*); |
extern void print_(environment*); |
166 |
extern void print(environment*); |
extern void print(environment*); |
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extern void princ_(environment*); |
extern void princ_(environment*); |
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extern void princ(environment*); |
extern void princ(environment*); |
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void print_st(value*, long); |
extern void printport_(environment*); |
170 |
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extern void printport(environment*); |
171 |
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extern void princport_(environment*); |
172 |
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extern void princport(environment*); |
173 |
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void print_st(environment*, value*, long); |
174 |
extern void printstack(environment*); |
extern void printstack(environment*); |
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extern void swap(environment*); |
extern void swap(environment*); |
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extern void rot(environment*); |
extern void rot(environment*); |
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extern void sx_2b(environment*); |
extern void sx_2b(environment*); |
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extern void sx_2d(environment*); |
extern void sx_2d(environment*); |
194 |
extern void sx_3e(environment*); |
extern void sx_3e(environment*); |
195 |
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extern void sx_3c(environment*); |
196 |
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extern void sx_3c3d(environment*); |
197 |
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extern void sx_3e3d(environment*); |
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value *copy_val(environment*, value*); |
value *copy_val(environment*, value*); |
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extern void sx_647570(environment*); |
extern void sx_647570(environment*); |
200 |
extern void sx_6966(environment*); |
extern void sx_6966(environment*); |
201 |
extern void ifelse(environment*); |
extern void ifelse(environment*); |
202 |
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extern void sx_656c7365(environment*); |
203 |
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extern void then(environment*); |
204 |
extern void sx_7768696c65(environment*); |
extern void sx_7768696c65(environment*); |
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extern void sx_666f72(environment*); |
extern void sx_666f72(environment*); |
206 |
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extern void foreach(environment*); |
207 |
extern void to(environment*); |
extern void to(environment*); |
208 |
extern void readline(environment*); |
extern void readline(environment*); |
209 |
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extern void readlineport(environment*); |
210 |
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void readlinestream(environment*, FILE*); |
211 |
extern void sx_72656164(environment*); |
extern void sx_72656164(environment*); |
212 |
extern void foreach(environment*); |
extern void readport(environment*); |
213 |
void protect(value*); |
void readstream(environment*, FILE*); |
214 |
void unprotect(value*); |
extern void beep(environment*); |
215 |
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extern void sx_77616974(environment*); |
216 |
extern void copying(environment*); |
extern void copying(environment*); |
217 |
extern void warranty(environment*); |
extern void warranty(environment*); |
218 |
extern void sx_2a(environment*); |
extern void sx_2a(environment*); |
219 |
extern void sx_2f(environment*); |
extern void sx_2f(environment*); |
220 |
extern void mod(environment*); |
extern void mod(environment*); |
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extern void sx_3c(environment*); |
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extern void sx_3c3d(environment*); |
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extern void sx_3e3d(environment*); |
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221 |
extern void sx_646976(environment*); |
extern void sx_646976(environment*); |
222 |
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extern void setcar(environment*); |
223 |
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extern void setcdr(environment*); |
224 |
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extern void car(environment*); |
225 |
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extern void cdr(environment*); |
226 |
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extern void cons(environment*); |
227 |
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extern void assq(environment*); |
228 |
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void assocgen(environment*, funcp); |
229 |
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extern void sx_646f(environment *); |
230 |
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extern void sx_6f70656e(environment*); |
231 |
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extern void sx_636c6f7365(environment*); |