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-rw-r--r--src/lisp/ao_lisp.h38
-rw-r--r--src/lisp/ao_lisp_error.c5
-rw-r--r--src/lisp/ao_lisp_frame.c207
-rw-r--r--src/lisp/ao_lisp_make_const.c5
-rw-r--r--src/lisp/ao_lisp_mem.c42
-rw-r--r--src/lisp/ao_lisp_poly.c4
6 files changed, 200 insertions, 101 deletions
diff --git a/src/lisp/ao_lisp.h b/src/lisp/ao_lisp.h
index 858212dd..96a7a05f 100644
--- a/src/lisp/ao_lisp.h
+++ b/src/lisp/ao_lisp.h
@@ -92,12 +92,13 @@ extern uint8_t ao_lisp_pool[AO_LISP_POOL + AO_LISP_POOL_EXTRA] __attribute__((a
#define AO_LISP_ATOM 4
#define AO_LISP_BUILTIN 5
#define AO_LISP_FRAME 6
-#define AO_LISP_LAMBDA 7
-#define AO_LISP_STACK 8
-#define AO_LISP_BOOL 9
-#define AO_LISP_BIGINT 10
-#define AO_LISP_FLOAT 11
-#define AO_LISP_NUM_TYPE 12
+#define AO_LISP_FRAME_VALS 7
+#define AO_LISP_LAMBDA 8
+#define AO_LISP_STACK 9
+#define AO_LISP_BOOL 10
+#define AO_LISP_BIGINT 11
+#define AO_LISP_FLOAT 12
+#define AO_LISP_NUM_TYPE 13
/* Leave two bits for types to use as they please */
#define AO_LISP_OTHER_TYPE_MASK 0x3f
@@ -154,11 +155,17 @@ struct ao_lisp_val {
ao_poly val;
};
+struct ao_lisp_frame_vals {
+ uint8_t type;
+ uint8_t size;
+ struct ao_lisp_val vals[];
+};
+
struct ao_lisp_frame {
uint8_t type;
uint8_t num;
ao_poly prev;
- struct ao_lisp_val vals[];
+ ao_poly vals;
};
struct ao_lisp_bool {
@@ -221,6 +228,16 @@ ao_lisp_frame_poly(struct ao_lisp_frame *frame) {
return ao_lisp_poly(frame, AO_LISP_OTHER);
}
+static inline struct ao_lisp_frame_vals *
+ao_lisp_poly_frame_vals(ao_poly poly) {
+ return ao_lisp_ref(poly);
+}
+
+static inline ao_poly
+ao_lisp_frame_vals_poly(struct ao_lisp_frame_vals *vals) {
+ return ao_lisp_poly(vals, AO_LISP_OTHER);
+}
+
enum eval_state {
eval_sexpr, /* Evaluate an sexpr */
eval_val, /* Value computed */
@@ -528,6 +545,12 @@ ao_lisp_stack_fetch(int id) {
return ao_lisp_poly_stack(ao_lisp_poly_fetch(id));
}
+void
+ao_lisp_frame_stash(int id, struct ao_lisp_frame *frame);
+
+struct ao_lisp_frame *
+ao_lisp_frame_fetch(int id);
+
/* bool */
extern const struct ao_lisp_type ao_lisp_bool_type;
@@ -713,6 +736,7 @@ ao_lisp_read_eval_print(void);
/* frame */
extern const struct ao_lisp_type ao_lisp_frame_type;
+extern const struct ao_lisp_type ao_lisp_frame_vals_type;
#define AO_LISP_FRAME_FREE 6
diff --git a/src/lisp/ao_lisp_error.c b/src/lisp/ao_lisp_error.c
index d1c9b941..ba135834 100644
--- a/src/lisp/ao_lisp_error.c
+++ b/src/lisp/ao_lisp_error.c
@@ -57,6 +57,7 @@ ao_lisp_error_frame(int indent, char *name, struct ao_lisp_frame *frame)
tabs(indent);
printf ("%s{", name);
if (frame) {
+ struct ao_lisp_frame_vals *vals = ao_lisp_poly_frame_vals(frame->vals);
if (frame->type & AO_LISP_FRAME_PRINT)
printf("recurse...");
else {
@@ -66,9 +67,9 @@ ao_lisp_error_frame(int indent, char *name, struct ao_lisp_frame *frame)
tabs(indent);
printf(" ");
}
- ao_lisp_poly_write(frame->vals[f].atom);
+ ao_lisp_poly_write(vals->vals[f].atom);
printf(" = ");
- ao_lisp_poly_write(frame->vals[f].val);
+ ao_lisp_poly_write(vals->vals[f].val);
printf("\n");
}
if (frame->prev)
diff --git a/src/lisp/ao_lisp_frame.c b/src/lisp/ao_lisp_frame.c
index ebdb7757..dd29e079 100644
--- a/src/lisp/ao_lisp_frame.c
+++ b/src/lisp/ao_lisp_frame.c
@@ -15,37 +15,77 @@
#include "ao_lisp.h"
static inline int
-frame_num_size(int num)
+frame_vals_num_size(int num)
{
- return sizeof (struct ao_lisp_frame) + num * sizeof (struct ao_lisp_val);
+ return sizeof (struct ao_lisp_frame_vals) + num * sizeof (struct ao_lisp_val);
}
static int
+frame_vals_size(void *addr)
+{
+ struct ao_lisp_frame_vals *vals = addr;
+ return frame_vals_num_size(vals->size);
+}
+
+static void
+frame_vals_mark(void *addr)
+{
+ struct ao_lisp_frame_vals *vals = addr;
+ int f;
+
+ for (f = 0; f < vals->size; f++) {
+ struct ao_lisp_val *v = &vals->vals[f];
+
+ ao_lisp_poly_mark(v->val, 0);
+ MDBG_MOVE("frame mark atom %s %d val %d at %d\n",
+ ao_lisp_poly_atom(v->atom)->name,
+ MDBG_OFFSET(ao_lisp_ref(v->atom)),
+ MDBG_OFFSET(ao_lisp_ref(v->val)), f);
+ }
+}
+
+static void
+frame_vals_move(void *addr)
+{
+ struct ao_lisp_frame_vals *vals = addr;
+ int f;
+
+ for (f = 0; f < vals->size; f++) {
+ struct ao_lisp_val *v = &vals->vals[f];
+
+ ao_lisp_poly_move(&v->atom, 0);
+ ao_lisp_poly_move(&v->val, 0);
+ MDBG_MOVE("frame move atom %s %d val %d at %d\n",
+ ao_lisp_poly_atom(v->atom)->name,
+ MDBG_OFFSET(ao_lisp_ref(v->atom)),
+ MDBG_OFFSET(ao_lisp_ref(v->val)), f);
+ }
+}
+
+const struct ao_lisp_type ao_lisp_frame_vals_type = {
+ .mark = frame_vals_mark,
+ .size = frame_vals_size,
+ .move = frame_vals_move,
+ .name = "frame_vals"
+};
+
+static int
frame_size(void *addr)
{
- struct ao_lisp_frame *frame = addr;
- return frame_num_size(frame->num);
+ (void) addr;
+ return sizeof (struct ao_lisp_frame);
}
static void
frame_mark(void *addr)
{
struct ao_lisp_frame *frame = addr;
- int f;
for (;;) {
MDBG_MOVE("frame mark %d\n", MDBG_OFFSET(frame));
if (!AO_LISP_IS_POOL(frame))
break;
- for (f = 0; f < frame->num; f++) {
- struct ao_lisp_val *v = &frame->vals[f];
-
- ao_lisp_poly_mark(v->val, 0);
- MDBG_MOVE("frame mark atom %s %d val %d at %d\n",
- ao_lisp_poly_atom(v->atom)->name,
- MDBG_OFFSET(ao_lisp_ref(v->atom)),
- MDBG_OFFSET(ao_lisp_ref(v->val)), f);
- }
+ ao_lisp_poly_mark(frame->vals, 0);
frame = ao_lisp_poly_frame(frame->prev);
MDBG_MOVE("frame next %d\n", MDBG_OFFSET(frame));
if (!frame)
@@ -59,7 +99,6 @@ static void
frame_move(void *addr)
{
struct ao_lisp_frame *frame = addr;
- int f;
for (;;) {
struct ao_lisp_frame *prev;
@@ -68,16 +107,7 @@ frame_move(void *addr)
MDBG_MOVE("frame move %d\n", MDBG_OFFSET(frame));
if (!AO_LISP_IS_POOL(frame))
break;
- for (f = 0; f < frame->num; f++) {
- struct ao_lisp_val *v = &frame->vals[f];
-
- ao_lisp_poly_move(&v->atom, 0);
- ao_lisp_poly_move(&v->val, 0);
- MDBG_MOVE("frame move atom %s %d val %d at %d\n",
- ao_lisp_poly_atom(v->atom)->name,
- MDBG_OFFSET(ao_lisp_ref(v->atom)),
- MDBG_OFFSET(ao_lisp_ref(v->val)), f);
- }
+ ao_lisp_poly_move(&frame->vals, 0);
prev = ao_lisp_poly_frame(frame->prev);
if (!prev)
break;
@@ -104,8 +134,9 @@ const struct ao_lisp_type ao_lisp_frame_type = {
void
ao_lisp_frame_write(ao_poly p)
{
- struct ao_lisp_frame *frame = ao_lisp_poly_frame(p);
- int f;
+ struct ao_lisp_frame *frame = ao_lisp_poly_frame(p);
+ struct ao_lisp_frame_vals *vals = ao_lisp_poly_frame_vals(frame->vals);
+ int f;
printf ("{");
if (frame) {
@@ -116,9 +147,9 @@ ao_lisp_frame_write(ao_poly p)
for (f = 0; f < frame->num; f++) {
if (f != 0)
printf(", ");
- ao_lisp_poly_write(frame->vals[f].atom);
+ ao_lisp_poly_write(vals->vals[f].atom);
printf(" = ");
- ao_lisp_poly_write(frame->vals[f].val);
+ ao_lisp_poly_write(vals->vals[f].val);
}
if (frame->prev)
ao_lisp_poly_write(frame->prev);
@@ -131,11 +162,13 @@ ao_lisp_frame_write(ao_poly p)
static int
ao_lisp_frame_find(struct ao_lisp_frame *frame, int top, ao_poly atom)
{
- int l = 0;
- int r = top - 1;
+ struct ao_lisp_frame_vals *vals = ao_lisp_poly_frame_vals(frame->vals);
+ int l = 0;
+ int r = top - 1;
+
while (l <= r) {
int m = (l + r) >> 1;
- if (frame->vals[m].atom < atom)
+ if (vals->vals[m].atom < atom)
l = m + 1;
else
r = m - 1;
@@ -146,62 +179,57 @@ ao_lisp_frame_find(struct ao_lisp_frame *frame, int top, ao_poly atom)
ao_poly *
ao_lisp_frame_ref(struct ao_lisp_frame *frame, ao_poly atom)
{
- int l = ao_lisp_frame_find(frame, frame->num, atom);
+ struct ao_lisp_frame_vals *vals = ao_lisp_poly_frame_vals(frame->vals);
+ int l = ao_lisp_frame_find(frame, frame->num, atom);
if (l >= frame->num)
return NULL;
- if (frame->vals[l].atom != atom)
+ if (vals->vals[l].atom != atom)
return NULL;
- return &frame->vals[l].val;
+ return &vals->vals[l].val;
}
-int
-ao_lisp_frame_set(struct ao_lisp_frame *frame, ao_poly atom, ao_poly val)
-{
- while (frame) {
- if (!AO_LISP_IS_CONST(frame)) {
- ao_poly *ref = ao_lisp_frame_ref(frame, atom);
- if (ref) {
- *ref = val;
- return 1;
- }
- }
- frame = ao_lisp_poly_frame(frame->prev);
- }
- return 0;
-}
+struct ao_lisp_frame *ao_lisp_frame_free_list[AO_LISP_FRAME_FREE];
-ao_poly
-ao_lisp_frame_get(struct ao_lisp_frame *frame, ao_poly atom)
+static struct ao_lisp_frame_vals *
+ao_lisp_frame_vals_new(int num)
{
- while (frame) {
- ao_poly *ref = ao_lisp_frame_ref(frame, atom);
- if (ref)
- return *ref;
- frame = ao_lisp_poly_frame(frame->prev);
- }
- return AO_LISP_NIL;
-}
+ struct ao_lisp_frame_vals *vals;
-struct ao_lisp_frame *ao_lisp_frame_free_list[AO_LISP_FRAME_FREE];
+ vals = ao_lisp_alloc(frame_vals_num_size(num));
+ if (!vals)
+ return NULL;
+ vals->type = AO_LISP_FRAME_VALS;
+ vals->size = num;
+ return vals;
+}
struct ao_lisp_frame *
ao_lisp_frame_new(int num)
{
- struct ao_lisp_frame *frame;
+ struct ao_lisp_frame *frame;
+ struct ao_lisp_frame_vals *vals;
- if (num < AO_LISP_FRAME_FREE && (frame = ao_lisp_frame_free_list[num]))
+ if (num < AO_LISP_FRAME_FREE && (frame = ao_lisp_frame_free_list[num])) {
ao_lisp_frame_free_list[num] = ao_lisp_poly_frame(frame->prev);
- else {
- frame = ao_lisp_alloc(frame_num_size(num));
+ vals = ao_lisp_poly_frame_vals(frame->vals);
+ } else {
+ frame = ao_lisp_alloc(sizeof (struct ao_lisp_frame));
if (!frame)
return NULL;
+ frame->type = AO_LISP_FRAME;
+ frame->num = 0;
+ frame->prev = AO_LISP_NIL;
+ frame->vals = AO_LISP_NIL;
+ ao_lisp_poly_stash(0, ao_lisp_frame_poly(frame));
+ vals = ao_lisp_frame_vals_new(num);
+ frame = ao_lisp_poly_frame(ao_lisp_poly_fetch(0));
+ frame->vals = ao_lisp_frame_vals_poly(vals);
}
- frame->type = AO_LISP_FRAME;
frame->num = num;
frame->prev = AO_LISP_NIL;
- memset(frame->vals, '\0', num * sizeof (struct ao_lisp_val));
+ memset(vals, '\0', vals->size * sizeof (struct ao_lisp_val));
return frame;
}
@@ -227,47 +255,46 @@ ao_lisp_frame_free(struct ao_lisp_frame *frame)
}
static struct ao_lisp_frame *
-ao_lisp_frame_realloc(struct ao_lisp_frame **frame_ref, int new_num)
+ao_lisp_frame_realloc(struct ao_lisp_frame *frame, int new_num)
{
- struct ao_lisp_frame *frame = *frame_ref;
- struct ao_lisp_frame *new;
- int copy;
+ struct ao_lisp_frame_vals *vals;
+ struct ao_lisp_frame_vals *new_vals;
+ int copy;
if (new_num == frame->num)
return frame;
- new = ao_lisp_frame_new(new_num);
- if (!new)
+ ao_lisp_frame_stash(0, frame);
+ new_vals = ao_lisp_frame_vals_new(new_num);
+ if (!new_vals)
return NULL;
- /*
- * Re-fetch the frame as it may have moved
- * during the allocation
- */
- frame = *frame_ref;
+ frame = ao_lisp_frame_fetch(0);
+ vals = ao_lisp_poly_frame_vals(frame->vals);
copy = new_num;
if (copy > frame->num)
copy = frame->num;
- memcpy(new->vals, frame->vals, copy * sizeof (struct ao_lisp_val));
- new->prev = frame->prev;
- ao_lisp_frame_free(frame);
- return new;
+ memcpy(new_vals->vals, vals->vals, copy * sizeof (struct ao_lisp_val));
+ frame->vals = ao_lisp_frame_vals_poly(new_vals);
+ frame->num = new_num;
+ return frame;
}
void
ao_lisp_frame_bind(struct ao_lisp_frame *frame, int num, ao_poly atom, ao_poly val)
{
- int l = ao_lisp_frame_find(frame, num, atom);
+ struct ao_lisp_frame_vals *vals = ao_lisp_poly_frame_vals(frame->vals);
+ int l = ao_lisp_frame_find(frame, num, atom);
- memmove(&frame->vals[l+1],
- &frame->vals[l],
+ memmove(&vals->vals[l+1],
+ &vals->vals[l],
(num - l) * sizeof (struct ao_lisp_val));
- frame->vals[l].atom = atom;
- frame->vals[l].val = val;
+ vals->vals[l].atom = atom;
+ vals->vals[l].val = val;
}
int
ao_lisp_frame_add(struct ao_lisp_frame **frame_ref, ao_poly atom, ao_poly val)
{
- struct ao_lisp_frame *frame = *frame_ref;
+ struct ao_lisp_frame *frame = *frame_ref;
ao_poly *ref = frame ? ao_lisp_frame_ref(frame, atom) : NULL;
if (!ref) {
@@ -276,14 +303,14 @@ ao_lisp_frame_add(struct ao_lisp_frame **frame_ref, ao_poly atom, ao_poly val)
ao_lisp_poly_stash(1, val);
if (frame) {
f = frame->num;
- frame = ao_lisp_frame_realloc(frame_ref, f + 1);
+ frame = ao_lisp_frame_realloc(frame, f + 1);
} else {
f = 0;
frame = ao_lisp_frame_new(1);
+ *frame_ref = frame;
}
if (!frame)
return 0;
- *frame_ref = frame;
atom = ao_lisp_poly_fetch(0);
val = ao_lisp_poly_fetch(1);
ao_lisp_frame_bind(frame, frame->num - 1, atom, val);
diff --git a/src/lisp/ao_lisp_make_const.c b/src/lisp/ao_lisp_make_const.c
index f23d34db..f9bb5452 100644
--- a/src/lisp/ao_lisp_make_const.c
+++ b/src/lisp/ao_lisp_make_const.c
@@ -326,10 +326,11 @@ main(int argc, char **argv)
ao_lisp_collect(AO_LISP_COLLECT_FULL);
for (f = 0; f < ao_lisp_frame_global->num; f++) {
- val = ao_has_macro(ao_lisp_frame_global->vals[f].val);
+ struct ao_lisp_frame_vals *vals = ao_lisp_poly_frame_vals(ao_lisp_frame_global->vals);
+ val = ao_has_macro(vals->vals[f].val);
if (val != AO_LISP_NIL) {
printf("error: function %s contains unresolved macro: ",
- ao_lisp_poly_atom(ao_lisp_frame_global->vals[f].atom)->name);
+ ao_lisp_poly_atom(vals->vals[f].atom)->name);
ao_lisp_poly_write(val);
printf("\n");
exit(1);
diff --git a/src/lisp/ao_lisp_mem.c b/src/lisp/ao_lisp_mem.c
index dc0008c4..890eba1b 100644
--- a/src/lisp/ao_lisp_mem.c
+++ b/src/lisp/ao_lisp_mem.c
@@ -148,6 +148,7 @@ struct ao_lisp_root {
static struct ao_lisp_cons *save_cons[2];
static char *save_string[2];
+static struct ao_lisp_frame *save_frame[1];
static ao_poly save_poly[3];
static const struct ao_lisp_root ao_lisp_root[] = {
@@ -168,6 +169,10 @@ static const struct ao_lisp_root ao_lisp_root[] = {
.addr = (void **) &save_string[1],
},
{
+ .type = &ao_lisp_frame_type,
+ .addr = (void **) &save_frame[0],
+ },
+ {
.type = NULL,
.addr = (void **) (void *) &save_poly[0]
},
@@ -455,6 +460,7 @@ static const struct ao_lisp_type *ao_lisp_types[AO_LISP_NUM_TYPE] = {
[AO_LISP_ATOM] = &ao_lisp_atom_type,
[AO_LISP_BUILTIN] = &ao_lisp_builtin_type,
[AO_LISP_FRAME] = &ao_lisp_frame_type,
+ [AO_LISP_FRAME_VALS] = &ao_lisp_frame_vals_type,
[AO_LISP_LAMBDA] = &ao_lisp_lambda_type,
[AO_LISP_STACK] = &ao_lisp_stack_type,
[AO_LISP_BOOL] = &ao_lisp_bool_type,
@@ -620,6 +626,29 @@ ao_lisp_collect(uint8_t style)
* Mark interfaces for objects
*/
+
+/*
+ * Mark a block of memory with an explicit size
+ */
+
+int
+ao_lisp_mark_block(void *addr, int size)
+{
+ int offset;
+ if (!AO_LISP_IS_POOL(addr))
+ return 1;
+
+ offset = pool_offset(addr);
+ MDBG_MOVE("mark memory %d\n", MDBG_OFFSET(addr));
+ if (busy(ao_lisp_busy, offset)) {
+ MDBG_MOVE("already marked\n");
+ return 1;
+ }
+ mark(ao_lisp_busy, offset);
+ note_chunk(offset, size);
+ return 0;
+}
+
/*
* Note a reference to memory and collect information about a few
* object sizes at a time
@@ -891,3 +920,16 @@ ao_lisp_string_fetch(int id)
return string;
}
+void
+ao_lisp_frame_stash(int id, struct ao_lisp_frame *frame)
+{
+ save_frame[id] = frame;
+}
+
+struct ao_lisp_frame *
+ao_lisp_frame_fetch(int id)
+{
+ struct ao_lisp_frame *frame = save_frame[id];
+ save_frame[id] = NULL;
+ return frame;
+}
diff --git a/src/lisp/ao_lisp_poly.c b/src/lisp/ao_lisp_poly.c
index e93e1192..d14f4151 100644
--- a/src/lisp/ao_lisp_poly.c
+++ b/src/lisp/ao_lisp_poly.c
@@ -44,6 +44,10 @@ static const struct ao_lisp_funcs ao_lisp_funcs[AO_LISP_NUM_TYPE] = {
.write = ao_lisp_frame_write,
.display = ao_lisp_frame_write,
},
+ [AO_LISP_FRAME_VALS] = {
+ .write = NULL,
+ .display = NULL,
+ },
[AO_LISP_LAMBDA] = {
.write = ao_lisp_lambda_write,
.display = ao_lisp_lambda_write,
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-31 20:00:20 +0000