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Implemented extra roots

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This commit is contained in:
Dmitry Boulytchev 2020-01-28 03:01:54 +03:00
parent d93995c444
commit cfc9558de2
1 changed files with 46 additions and 77 deletions
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123
runtime/runtime.c
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@ -68,6 +68,15 @@ void __post_gc_subst () {}
# define UNBOX(x) (((int) (x)) >> 1)
# define BOX(x) ((((int) (x)) << 1) | 0x0001)
/* GC extra roots */
static void *extra_root = BOX(0);
# define CLEAR_EXTRA_ROOT do extra_root = BOX(0); while (0)
# define SET_EXTRA_ROOT(n) do extra_root = n; while (0)
# define EXTRA_ROOT extra_root
/* end */
static void vfailure (char *s, va_list args) {
fprintf (stderr, "*** FAILURE: ");
vfprintf (stderr, s, args); // vprintf (char *, va_list) <-> printf (char *, ...)
@ -104,33 +113,6 @@ extern void* Bsexp (int n, ...);
void *global_sysargs;
void set_args (int argc, char *argv[]) {
data *a;
int n = argc;
int i;
__pre_gc ();
a = (data*) alloc (sizeof(int) * (n+1));
a->tag = ARRAY_TAG | (n << 3);
for (i=0; i<n; i++) {
data *s;
int k = strlen (argv[i]);
s = (data*) alloc (k + 1 + sizeof (int));
s->tag = STRING_TAG | (k << 3);
strncpy (s->contents, argv[i], k + 1);
((int*)a->contents)[i] = s->contents;
}
__post_gc ();
global_sysargs = a->contents;
}
// Functional synonym for built-in operator ":";
void* Ls__Infix_58 (void *p, void *q) {
void *res;
@ -511,6 +493,8 @@ extern int LregexpMatch (struct re_pattern_buffer *b, char *s, int pos) {
return BOX (re_match (b, s, LEN(TO_DATA(s)->tag), UNBOX(pos), 0));
}
extern void* Bstring (void*);
void *Lclone (void *p) {
data *res;
int n;
@ -524,11 +508,7 @@ void *Lclone (void *p) {
switch (t) {
case STRING_TAG:
n = strlen (a->contents);
res = (data*) alloc (n + 1 + sizeof (int));
res->tag = STRING_TAG | (n << 3);
strncpy (res->contents, a->contents, n + 1);
res = res->contents;
res = Bstring (a->contents);
break;
case ARRAY_TAG:
@ -729,21 +709,18 @@ extern void* Bstring (void *p) {
data *s;
__pre_gc ();
s = (data*) alloc (n + 1 + sizeof (int));
s->tag = STRING_TAG | (n << 3);
strncpy (s->contents, p, n + 1);
s = LmakeString (BOX(n));
strncpy (s, p, n + 1);
__post_gc ();
return s->contents;
return s;
}
extern void* Lstringcat (void *p) {
data *s;
int n;
void *s;
ASSERT_BOXED("stringcat", p);
__pre_gc ();
@ -751,41 +728,30 @@ extern void* Lstringcat (void *p) {
createStringBuf ();
stringcat (p);
n = strlen (stringBuf.contents);
s = (data*) alloc (n + 1 + sizeof (int));
s->tag = STRING_TAG | (n << 3);
strncpy (s->contents, stringBuf.contents, n + 1);
s = Bstring (stringBuf.contents);
deleteStringBuf ();
__post_gc ();
return s->contents;
return s;
}
extern void* Bstringval (void *p) {
data *s;
int n;
void *s = (void *) BOX (NULL);
__pre_gc () ;
createStringBuf ();
printValue (p);
n = strlen (stringBuf.contents);
s = (data*) alloc (n + 1 + sizeof (int));
s->tag = STRING_TAG | (n << 3);
strncpy (s->contents, stringBuf.contents, n + 1);
s = Bstring (stringBuf.contents);
deleteStringBuf ();
__post_gc ();
return s->contents;
return s;
}
extern void* Bclosure (int n, void *entry, ...) {
@ -1031,8 +997,7 @@ extern void* /*Lstrcat*/ Li__Infix_4343 (void *a, void *b) {
extern void* Lsprintf (char * fmt, ...) {
va_list args;
data *s;
int n;
void *s;
ASSERT_STRING("sprintf:1", fmt);
@ -1045,17 +1010,13 @@ extern void* Lsprintf (char * fmt, ...) {
__pre_gc ();
n = strlen (stringBuf.contents);
s = (data*) alloc (n + 1 + sizeof (int));
s->tag = STRING_TAG | (n << 3);
strncpy (s->contents, stringBuf.contents, n + 1);
s = Bstring (stringBuf.contents);
__post_gc ();
deleteStringBuf ();
return s->contents;
return s;
}
extern void Lfprintf (FILE *f, char *s, ...) {
@ -1111,21 +1072,10 @@ extern void* LreadLine () {
char *buf;
if (scanf ("%m[^\n]", &buf) == 1) {
data * s;
int n = strlen (buf);
__pre_gc ();
s = (data*) alloc (n + 1 + sizeof (int));
s->tag = STRING_TAG | (n << 3);
strncpy (s->contents, buf, n + 1);
__post_gc ();
void * s = Bstring (buf);
free (buf);
return s->contents;
return s;
}
if (errno != 0)
@ -1212,6 +1162,25 @@ extern int Lwrite (int n) {
return 0;
}
extern void set_args (int argc, char *argv[]) {
data *a;
int n = argc;
int i;
__pre_gc ();
SET_EXTRA_ROOT (LmakeArray (BOX(n)));
for (i=0; i<n; i++) {
((int*)EXTRA_ROOT) [i] = Bstring (argv[i]);
}
__post_gc ();
global_sysargs = EXTRA_ROOT;
CLEAR_EXTRA_ROOT;
}
/* GC starts here */
extern const size_t __start_custom_data, __stop_custom_data;