/*
* Generate the nodes of the matching tree given a path and a pattern.
*/
local void
gen_matches(int level, Path here, Expr *pattern)
{
int i;
switch (pattern->e_class) {
case E_CHAR:
gen_char_match(level, here, pattern->e_char);
when E_NUM:
gen_num_match(level, here, pattern->e_num);
when E_CONS:
ASSERT( pattern->e_const->c_nargs == 0 );
add_match(level, here, num_cases(pattern->e_const),
pattern->e_const->c_index);
when E_APPLY:
gen_match_constr(level, &here, 0, pattern);
when E_PLUS:
for (i = 0; i < pattern->e_incr; i++) {
add_match(level, here, NUMCASE, GREATER);
here = p_push(P_PRED, here);
}
gen_matches(level, here, pattern->e_arg);
when E_PAIR:
gen_matches(level, p_push(P_LEFT, here), pattern->e_left);
gen_matches(level, p_push(P_RIGHT, here), pattern->e_right);
when E_VAR:
;
otherwise:
NOT_REACHED;
}
}
local void
gen_num_match(int level, Path here, Num n)
{
if (n > Zero) {
add_match(level, here, NUMCASE, GREATER);
gen_num_match(level, p_push(P_PRED, here), n-1);
} else
add_match(level, here, NUMCASE, EQUAL);
}
/*
* Similar wierd recursion to nv_constructor() (qv)
*/
local void
gen_match_constr(int level, Path *here_ptr, int arity, Expr *pattern)
{
if (pattern->e_class == E_CONS) {
if (pattern->e_const == succ) {
add_match(level, *here_ptr, NUMCASE, GREATER);
*here_ptr = p_push(P_PRED, *here_ptr);
} else {
add_match(level, *here_ptr,
num_cases(pattern->e_const),
pattern->e_const->c_index);
*here_ptr = p_push(P_STRIP, *here_ptr);
}
} else {
ASSERT( pattern->e_class == E_APPLY );
gen_match_constr(level, here_ptr, arity+1, pattern->e_func);
if (arity > 0) {
gen_matches(level, p_push(P_LEFT, *here_ptr),
pattern->e_arg);
*here_ptr = p_push(P_RIGHT, *here_ptr);
} else /* last argument */
gen_matches(level, *here_ptr, pattern->e_arg);
}
}
void exe_mkfile(t_dir* lroot, char* name){
char* fullname;
t_metafile *f;
// printf("Dir fullname: %s \n", lroot->fullname);
fullname = (char*)xmalloc(sizeof(char)* 1);
fullname[0] = '\0';
fullname = my_strconcat(fullname, lroot->fullname);
fullname = my_strconcat(fullname, name);
f = (t_metafile*)xmalloc(sizeof(t_metafile)*1);
f->fullname = (char*)xmalloc(sizeof(char)*my_strlen(fullname)*1);
my_strcpy(f->fullname, fullname);
f->fullname[my_strlen(fullname)] = '\0';
f->path = (char*)xmalloc(sizeof(char)*(my_strlen(lroot->path)+1));
my_strcpy(f->path,lroot->path);
f->path[my_strlen(lroot->path)] = '\0';
f->filesize = 0;
f->tv = time_stamp();
f->LFile = create_Lfile(f->filesize);
f->filename = (char*)xmalloc(sizeof(char)*(my_strlen(name)+1));
my_strcpy(f->filename, name);
f->path[my_strlen(lroot->path)] = '\0';
/* printf("1: %s\n", f->filename);
printf("2: %s\n", f->fullname);
printf("3: %s\n", f->path);
printf("4: %i\n", f->filesize);
printf("5: %d\n", (int)f->tv);
print_Ldisk();
*/
p_push(lroot->GFiles, f, 0);
gl_filecount++;
}