diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/lisp/ao_lisp.h | 38 | ||||
-rw-r--r-- | src/lisp/ao_lisp_error.c | 5 | ||||
-rw-r--r-- | src/lisp/ao_lisp_frame.c | 207 | ||||
-rw-r--r-- | src/lisp/ao_lisp_make_const.c | 5 | ||||
-rw-r--r-- | src/lisp/ao_lisp_mem.c | 42 | ||||
-rw-r--r-- | src/lisp/ao_lisp_poly.c | 4 |
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, |