/[cvs]/stack/stack.h
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revision 1.17 by teddy, Wed Mar 20 05:29:29 2002 UTC revision 1.26 by masse, Mon Aug 11 14:31:48 2003 UTC
# Line 22  Line 22 
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    
49    #ifdef __linux__
50    /* mtrace, muntrace */
51    #include <mcheck.h>
52    /* ioctl */
53    #include <sys/ioctl.h>
54    /* KDMKTONE */
55    #include <linux/kd.h>
56    #endif /* __linux__ */
57    
58    
59    
60  /* First, define some types. */  /* First, define some types. */
61    
62  struct cons_struct;  struct cons_struct;
63  struct symbol_struct;  struct symbol_struct;
64    struct environment_struct;
65    
66    /* A type for pointers to external functions */
67    typedef void (*funcp)(struct environment_struct*);
68    /* funcp is a pointer to a void function (environment *) */
69    
70    enum type_enum {
71      unknown,
72      empty,                        /* The empty list */
73      integer,
74      tfloat,
75      string,
76      func,                 /* Function pointer */
77      symb,                 /* Symbol */
78      tcons,                        /* A pair of two values */
79      port                  /* An I/O port */
80    };                      /* Type of stack element */
81    
82    
83  /* A value of some type */  /* A value of some type */
84  typedef struct {  typedef struct {
85    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 */  
86    
87    union {    union {
88      struct {      struct {
# Line 51  typedef struct { Line 96  typedef struct {
96      void *ptr;                  /* Pointer to the content */      void *ptr;                  /* Pointer to the content */
97      struct cons_struct *c;      /* ...or a pointer to a cons cell */      struct cons_struct *c;      /* ...or a pointer to a cons cell */
98      struct symbol_struct *sym;  /* ...or a pointer to a symbol */      struct symbol_struct *sym;  /* ...or a pointer to a symbol */
99        FILE *p;                    /* ...or an I/O stream */
100      int i;                      /* ...or an integer */      int i;                      /* ...or an integer */
101      float f;                    /* ...or a floating point number */      float f;                    /* ...or a floating point number */
102        funcp func;                 /* ...or a function pointer */
103        char *string;               /* ...or a string */
104    } content;                    /* Stores a pointer or an integer */    } content;                    /* Stores a pointer or an integer */
105    
106  } value;  } value;
# Line 88  typedef struct { Line 136  typedef struct {
136    value *head;                  /* Head of the stack */    value *head;                  /* Head of the stack */
137    hashtbl symbols;              /* Hash table of all variable bindings */    hashtbl symbols;              /* Hash table of all variable bindings */
138    int err;                      /* Error flag */    int err;                      /* Error flag */
139      char *errsymb;
140    char *in_string;              /* Input pending to be read */    char *in_string;              /* Input pending to be read */
141    char *free_string;            /* Free this string when all input is    char *free_string;            /* Free this string when all input is
142                                     read from in_string */                                     read from in_string */
# Line 100  typedef struct { Line 149  typedef struct {
149    int gc_count;                 /* Amount currently allocated */    int gc_count;                 /* Amount currently allocated */
150  } environment;  } environment;
151    
 /* A type for pointers to external functions */  
 typedef void (*funcp)(environment*); /* funcp is a pointer to a void  
                                          function (environment *) */  
152    
153  void init_env(environment*);  void init_env(environment*);
154  void printerr(const char*);  void printerr(environment*, const char*);
155  extern void toss(environment*);  extern void toss(environment*);
156  symbol **hash(hashtbl, const char*);  symbol **hash(hashtbl, const char*);
157  value* new_val(environment*);  value* new_val(environment*);
# Line 121  void push_cstring(environment*, const ch Line 167  void push_cstring(environment*, const ch
167  char *mangle_str(const char*);  char *mangle_str(const char*);
168  extern void mangle(environment*);  extern void mangle(environment*);
169  void push_sym(environment*, const char*);  void push_sym(environment*, const char*);
170  extern void nl();  extern void nl(environment*);
171    extern void nlport(environment*);
172  extern void type(environment*);  extern void type(environment*);
173  void print_val(value*, int, stackitem*);  void print_val(environment *, value*, int, stackitem*, FILE*);
174  extern void print_(environment*);  extern void print_(environment*);
175  extern void print(environment*);  extern void print(environment*);
176  extern void princ_(environment*);  extern void princ_(environment*);
177  extern void princ(environment*);  extern void princ(environment*);
178  void print_st(value*, long);  extern void printport_(environment*);
179    extern void printport(environment*);
180    extern void princport_(environment*);
181    extern void princport(environment*);
182    void print_st(environment*, value*, long);
183  extern void printstack(environment*);  extern void printstack(environment*);
184  extern void swap(environment*);  extern void swap(environment*);
185  extern void rot(environment*);  extern void rot(environment*);
# Line 164  extern void sx_666f72(environment*); Line 215  extern void sx_666f72(environment*);
215  extern void foreach(environment*);  extern void foreach(environment*);
216  extern void to(environment*);  extern void to(environment*);
217  extern void readline(environment*);  extern void readline(environment*);
218    extern void readlineport(environment*);
219    void readlinestream(environment*, FILE*);
220  extern void sx_72656164(environment*);  extern void sx_72656164(environment*);
221    extern void readport(environment*);
222    void readstream(environment*, FILE*);
223  extern void beep(environment*);  extern void beep(environment*);
224  extern void sx_77616974(environment*);  extern void sx_77616974(environment*);
225  extern void copying(environment*);  extern void copying(environment*);
# Line 178  extern void setcdr(environment*); Line 233  extern void setcdr(environment*);
233  extern void car(environment*);  extern void car(environment*);
234  extern void cdr(environment*);  extern void cdr(environment*);
235  extern void cons(environment*);  extern void cons(environment*);
236    extern void assq(environment*);
237    void assocgen(environment*, funcp);
238    extern void sx_646f(environment *);
239    extern void sx_6f70656e(environment*);
240    extern void sx_636c6f7365(environment*);
241    int check_args(environment*, ...);
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