more fixes in DOES>, now it's almost correct and extra weird

master
Ondřej Hruška 3 years ago
parent 41f36400ed
commit a096f55a67
  1. 8
      README.md
  2. 2
      include/fh_runtime.h
  3. 80
      src/fh_builtins_meta.c
  4. 1
      src/fh_mem.c
  5. 3
      src/fh_runtime.c
  6. 12
      src/fh_see.c
  7. 1
      testfiles/combinedtest.f

@ -50,12 +50,12 @@ Implemented (some may be wrong, like `FM/MOD`):
CORE:
! ' ( * */ */MOD + +! +LOOP , - . ." / /mod 0< 0= 1+ 1- 2! 2* 2/ 2@ 2DROP 2DUP 2OVER 2SWAP
: ; < = > >IN >R ?DUP @ ABORT ABS ALIGN ALIGNED ALLOT AND BASE BEGIN BL C! C, C@ CELL CELL+ CELLS CHAR CHAR+
CHARS CONSTANT COUNT CR CREATE DECIMAL DEPTH DO DROP DUP ELSE EMIT ENVIRONMENT? EXECUTE EXIT FM/MOD FIND
CHARS CONSTANT COUNT CR CREATE DECIMAL DEPTH DO DOES> DROP DUP ELSE EMIT ENVIRONMENT? EXECUTE EXIT FM/MOD FIND
HERE I IF IMMEDIATE INVERT J LEAVE LITERAL LOOP LSHIFT M* MAX MIN MOD NEGATE OR OVER POSTPONE QUIT R> R@ RECURSE
REPEAT ROT RSHIFT S>D S" SM/REM SOURCE SPACE STATE SWAP THEN TYPE U< UNTIL UM* UM/MOD UNLOOP VARIABLE WHILE WORD XOR [ ['] [CHAR] ]
CORE-EXT:
.( 0<> 0> 2>R 2R> 2R@ <> ?DO AGAIN FALSE HEX NIP PAD PICK ROLL S\" TO TRUE TUCK U.R U> UNUSED VALUE
.( :NONAME 0<> 0> 2>R 2R> 2R@ <> ?DO AGAIN FALSE HEX NIP PAD PICK ROLL S\" TO TRUE TUCK U.R U> UNUSED VALUE
\
Other sets:
@ -68,10 +68,10 @@ basically, CASE-OF, pictured numbers, keyboard input, some weirder metaprogrammi
```
CORE:
# #> #S <# >BODY >NUMBER ABORT" ACCEPT DOES> EVALUATE FILL HOLD KEY MOVE SIGN SPACES U.
# #> #S <# >BODY >NUMBER ABORT" ACCEPT EVALUATE FILL HOLD KEY MOVE SIGN SPACES U.
CORE-EXT:
.R :NONAME ACTION-OF BUFFER: C" CASE COMPILE, DEFER DEFER! DEFER@ ENDCASE ENDOF ERASE HOLDS IS
.R ACTION-OF BUFFER: C" CASE COMPILE, DEFER DEFER! DEFER@ ENDCASE ENDOF ERASE HOLDS IS
MARKER OF PARSE PARSE-NAME REFILL RESTORE-INPUT SAVE-INPUT SOURCE-ID WITHIN [COMPILE]
```

@ -198,6 +198,8 @@ struct fh_thread_s {
/** Nesting level of [if] */
uint32_t parse_if_level;
bool executing_compiled;
};
enum fh_error fh_loop_nest(struct fh_thread_s *fh, uint32_t indexvalue);

@ -31,20 +31,81 @@ static enum fh_error w_colon(struct fh_thread_s *fh, const struct fh_word_s *w)
return FH_OK;
}
static enum fh_error w_does(struct fh_thread_s *fh, const struct fh_word_s *w)
static enum fh_error w_colon_noname(struct fh_thread_s *fh, const struct fh_word_s *w)
{
(void) w;
enum fh_error rv;
ENSURE_STATE(FH_STATE_INTERPRET);
LOG("Starting noname compilation");
fh_setstate(fh, FH_STATE_COMPILE, 0);
uint32_t ptr;
TRY(fh_heap_reserve(fh, DICTWORD_SIZE, &ptr));
struct fh_word_s *new_word = fh_word_at(fh, ptr);
if (!new_word) return FH_ERR_INTERNAL;
new_word->previous = MAGICADDR_DICTFIRST;
new_word->param = fh->here;
new_word->handler = w_user_word;
new_word->name[0] = 0;
new_word->flags = WORDFLAG_WORD;
TRY(ds_push(fh, ptr)); // TODO maybe should do this at semicolon?
return FH_OK;
}
static enum fh_error w_does(struct fh_thread_s *fh, const struct fh_word_s *w)
{
(void) w;
enum fh_error rv;
bool crazy = 0;
if (fh->executing_compiled) {
LOG("DOES> in compiled code. OK but weird");
//FIXME make this less shitty
// FIXME this works correctly, but the test fails, because it assumes
// that compiled DOES> just changes some pointer in the dict entry,
// whereas we do it by generating helper instructions.
crazy = 1;
goto banana;
banana2:
// We are in :NONAME or : NAME.
// This word should be compiled.
TRY(fh_put_instr(fh, FH_INSTR_JUMP, fh->execptr + INSTR_SIZE)); // skip two forward
// next instr run is the ENDWORD emitted at compile time
return FH_OK;
}
if (fh->state == FH_STATE_COMPILE) {
TRY(fh_put_instr(fh, FH_INSTR_WORD, (void*)w - (void*)&fh->heap[0])); // call the DOES word
TRY(fh_put_instr(fh, FH_INSTR_ENDWORD, 1));
return FH_OK;
}
fh_setstate(fh, FH_STATE_COMPILE, 0);
banana:
struct fh_word_s *last_word = fh_word_at(fh, fh->dict_last);
if (!last_word) return FH_ERR_INTERNAL;
last_word->handler = w_user_word;
last_word->param = fh->here;
last_word->handler = w_user_word;
last_word->param = fh->here; // + CELL; // skip the one cell used to hold data. this is a shitty hack
last_word->flags = WORDFLAG_WORD;
uint32_t dptr = fh->here;
//TRY(fh_heap_reserve(fh, CELL, NULL));
TRY(fh_put_instr(fh, FH_INSTR_NUMBER, dptr)); // put pointer to the reserved cell
if (crazy) goto banana2;
return FH_OK;
}
@ -328,6 +389,17 @@ static enum fh_error w_to_in(struct fh_thread_s *fh, const struct fh_word_s *w)
return FH_OK;
}
static enum fh_error w_to_body(struct fh_thread_s *fh, const struct fh_word_s *w)
{
(void) w;
enum fh_error rv;
uint32_t xt;
TRY(ds_pop(fh, &xt)); // xt is now a dict entry (hopefully)
TRY(ds_push(fh, xt + DICTWORD_SIZE)); // XXX should it still point here if DOES> was used?
return FH_OK;
}
static bool chartest_equals_or_end(char c, void *param)
{
char cc = (char) *(uint32_t *) param;
@ -567,7 +639,9 @@ const struct name_and_handler fh_builtins_meta[] = {
{"depth", w_depth, 0, 0},
{"unused", w_unused, 0, 0},
{">in", w_to_in, 0, 0},
{">body", w_to_body, 0, 0},
{":", w_colon, 0, 0},
{":noname", w_colon_noname, 0, 0},
{"does>", w_does, 1, 0},
{";", w_semicolon, 1, 0},
{"forget", w_forget, 1, 0},

@ -175,6 +175,7 @@ enum fh_error fh_heap_put(struct fh_thread_s *fh, const void *src, uint32_t len)
enum fh_error rv;
uint32_t addr = 0;
TRY(fh_heap_reserve(fh, len, &addr));
LOG("Put %d bytes at 0x%08x", len, addr);
fh_heap_write(fh, addr, src, len);
return FH_OK;
}

@ -107,6 +107,8 @@ enum fh_error w_user_word(struct fh_thread_s *fh, const struct fh_word_s *w0)
const struct fh_word_s *w;
struct fh_word_s *w2;
fh->executing_compiled = 1;
w = w0;
call:
if (!w) { return FH_ERR_INTERNAL; }
@ -332,6 +334,7 @@ enum fh_error w_user_word(struct fh_thread_s *fh, const struct fh_word_s *w0)
}
end:
fh->executing_compiled = 0;
return FH_OK;
}

@ -27,7 +27,7 @@ static void show_word(struct fh_thread_s *fh, const struct fh_word_s *w)
const struct fh_word_s *w2;
switch (instr->kind) {
case FH_INSTR_NUMBER:
FHPRINT("Number(%d)\n", instr->data);
FHPRINT("Number(%d / 0x%08x)\n", instr->data, instr->data);
break;
case FH_INSTR_WORD:
@ -103,8 +103,13 @@ static void show_word(struct fh_thread_s *fh, const struct fh_word_s *w)
break;
case FH_INSTR_ENDWORD:
FHPRINT("END\n");
return;
if (instr->data == 1) {
FHPRINT("END (synthetic for DOES>)\n");
break;
} else {
FHPRINT("END\n");
return;
}
default:
FHPRINT("Unknown(kind 0x%08x, data 0x%08x)\n", instr->kind, instr->data);
@ -133,6 +138,7 @@ enum fh_error fh_see_word(
{
enum fh_error rv;
uint32_t addr;
// TODO allow see with addr to inspect :NONAME defined words
TRY(fh_find_word(fh, name, wordlen, &addr));
show_word(fh, fh_word_at(fh, addr));
return FH_OK;

@ -826,6 +826,7 @@ T{ CR1 -> HERE }T
T{ ' CR1 >BODY -> HERE }T
T{ 1 , -> }T
T{ CR1 @ -> 1 }T
T{ DOES1 -> }T
T{ CR1 -> 2 }T
T{ DOES2 -> }T

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