/[cvs]/stack/stack.c
ViewVC logotype

Diff of /stack/stack.c

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 1.48 by teddy, Thu Feb 7 04:34:42 2002 UTC revision 1.51 by teddy, Thu Feb 7 23:53:14 2002 UTC
# Line 198  void push_cstring(stackitem **stack_head Line 198  void push_cstring(stackitem **stack_head
198  }  }
199    
200  /* Mangle a symbol name to a valid C identifier name */  /* Mangle a symbol name to a valid C identifier name */
201  char *mangle_(const char *old_string){  char *mangle_str(const char *old_string){
202    char validchars[]    char validchars[]
203      ="0123456789abcdef";      ="0123456789abcdef";
204    char *new_string, *current;    char *new_string, *current;
205    
206    new_string=malloc(strlen(old_string)+4);    new_string=malloc((strlen(old_string)*2)+4);
207    strcpy(new_string, "sx_");    /* Stack eXternal */    strcpy(new_string, "sx_");    /* Stack eXternal */
208    current=new_string+3;    current=new_string+3;
209    while(old_string[0] != '\0'){    while(old_string[0] != '\0'){
# Line 233  extern void mangle(environment *env){ Line 233  extern void mangle(environment *env){
233      return;      return;
234    }    }
235    
236    new_string= mangle_((const char *)(env->head->item->content.ptr));    new_string= mangle_str((const char *)(env->head->item->content.ptr));
237    
238    toss(env);    toss(env);
239    if(env->err) return;    if(env->err) return;
# Line 296  void push_sym(environment *env, const ch Line 296  void push_sym(environment *env, const ch
296      funcptr= dlsym(handle, in_string); /* Get function pointer */      funcptr= dlsym(handle, in_string); /* Get function pointer */
297      dlerr=dlerror();      dlerr=dlerror();
298      if(dlerr != NULL) {         /* If no function was found */      if(dlerr != NULL) {         /* If no function was found */
299        mangled=mangle_(in_string);        mangled=mangle_str(in_string);
300        funcptr= dlsym(handle, mangled); /* try mangling it */        funcptr= dlsym(handle, mangled); /* try mangling it */
301        free(mangled);        free(mangled);
302        dlerr=dlerror();        dlerr=dlerror();
# Line 531  extern void eval(environment *env) Line 531  extern void eval(environment *env)
531      toss(env);      toss(env);
532      if(env->err) return;      if(env->err) return;
533      temp_string= malloc(strlen((char*)temp_val->content.ptr)+5);      temp_string= malloc(strlen((char*)temp_val->content.ptr)+5);
534      strcat(temp_string, "[ ");      strcpy(temp_string, "[ ");
535      strcat(temp_string, (char*)temp_val->content.ptr);      strcat(temp_string, (char*)temp_val->content.ptr);
536      strcat(temp_string, " ]");      strcat(temp_string, " ]");
537      stack_read(env, temp_string);      stack_read(env, temp_string);
# Line 905  int main() Line 905  int main()
905  /* + */  /* + */
906  extern void sx_2b(environment *env) {  extern void sx_2b(environment *env) {
907    int a, b;    int a, b;
908      size_t len;
909      char* new_string;
910      value *a_val, *b_val;
911    
912    if((env->head)==NULL || env->head->next==NULL) {    if((env->head)==NULL || env->head->next==NULL) {
913      printerr("Too Few Arguments");      printerr("Too Few Arguments");
914      env->err=1;      env->err=1;
915      return;      return;
916    }    }
917    
918      if(env->head->item->type==string
919         && env->head->next->item->type==string) {
920        a_val= env->head->item;
921        b_val= env->head->next->item;
922        a_val->refcount++;
923        b_val->refcount++;
924        toss(env); if(env->err) return;
925        toss(env); if(env->err) return;
926        len= strlen(a_val->content.ptr)+strlen(b_val->content.ptr)+1;
927        new_string= malloc(len);
928        strcpy(new_string, b_val->content.ptr);
929        strcat(new_string, a_val->content.ptr);
930        free_val(a_val); free_val(b_val);
931        push_cstring(&(env->head), new_string);
932        free(new_string);
933        return;
934      }
935        
936    if(env->head->item->type!=integer    if(env->head->item->type!=integer
937       || env->head->next->item->type!=integer) {       || env->head->next->item->type!=integer) {
Legend:
Removed from v.1.48  
changed lines
  Added in v.1.51
root@recompile.se
 ViewVC Help
Powered by ViewVC 1.1.26