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64tass.c
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64tass.c
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/*
Turbo Assembler 6502/65C02/65816/DTV
$Id: 64tass.c 3130 2024-04-21 06:35:30Z soci $
6502/65C02 Turbo Assembler Version 1.3
(c) 1996 Taboo Productions, Marek Matula
6502/65C02 Turbo Assembler Version 1.35 ANSI C port
(c) 2000 BiGFooT/BReeZe^2000
6502/65C02/65816/DTV Turbo Assembler Version 1.4x
(c) 2001-2014 Soci/Singular ([email protected])
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "64tass.h"
#include <string.h>
#include "error.h"
#include "opcodes.h"
#include "eval.h"
#include "values.h"
#include "section.h"
#include "encoding.h"
#include "file.h"
#include "variables.h"
#include "macro.h"
#include "instruction.h"
#include "unicode.h"
#include "listing.h"
#include "optimizer.h"
#include "arguments.h"
#include "ternary.h"
#include "opt_bit.h"
#include "longjump.h"
#include "mem.h"
#include "unicodedata.h"
#include "main.h"
#include "argvalues.h"
#include "version.h"
#include "listobj.h"
#include "codeobj.h"
#include "strobj.h"
#include "addressobj.h"
#include "boolobj.h"
#include "bytesobj.h"
#include "intobj.h"
#include "bitsobj.h"
#include "functionobj.h"
#include "namespaceobj.h"
#include "operobj.h"
#include "gapobj.h"
#include "typeobj.h"
#include "noneobj.h"
#include "registerobj.h"
#include "labelobj.h"
#include "errorobj.h"
#include "macroobj.h"
#include "mfuncobj.h"
#include "memblocksobj.h"
#include "symbolobj.h"
#include "anonsymbolobj.h"
#include "dictobj.h"
#include "encobj.h"
linenum_t vline; /* current line */
address_t all_mem, all_mem2;
unsigned int all_mem_bits;
uint8_t pass = 0, max_pass = MAX_PASS; /* pass */
address_t star = 0;
const uint8_t *pline; /* current line data */
struct linepos_s lpoint; /* position in current line */
static uint8_t strength = 0;
bool fixeddig, constcreated;
uint32_t outputeor = 0; /* EOR value for final output (usually 0, unless changed by .eor) */
bool referenceit = true;
const struct cpu_s *current_cpu;
static unsigned int err_msg_char_note_once;
static size_t waitfor_p, waitfor_len;
static struct waitfor_s {
Wait_types what;
uint8_t skip;
struct linepos_s epoint;
union {
struct {
address_t laddr;
Obj *val;
address_t addr;
Label *label;
size_t membp;
} cmd_logical;
struct {
struct section_address_s *section_address;
Label *label;
size_t membp;
} cmd_virtual;
struct {
struct section_s *section;
struct section_address_s *section_address;
address_t addr;
Label *label;
size_t membp;
} cmd_section;
struct {
bool unionmode;
address_t laddr;
address_t addr, addr2;
} cmd_union;
struct {
address_t addr;
Label *label;
size_t membp;
} cmd_with;
struct {
address_t addr;
Label *label;
size_t membp;
} cmd_weak;
struct {
address_t addr;
Label *label;
size_t membp;
address_t laddr;
ival_t size;
uval_t offset;
} cmd_page;
struct {
address_t addr;
Label *label;
size_t membp;
} cmd_proc;
struct {
address_t addr;
Label *label;
size_t membp;
} cmd_block;
struct {
bool unionmode;
} cmd_struct;
struct {
bool breakout;
} cmd_rept;
struct {
Obj *val;
} cmd_macro;
struct {
Obj *val;
} cmd_function;
struct {
Obj *val;
address_t addr;
Label *label;
size_t membp;
} cmd_switch;
struct {
address_t addr;
Label *label;
size_t membp;
} cmd_if;
struct {
Enc *enc;
} cmd_encode;
struct {
address_t addr;
Label *label;
size_t membp;
Label *label2;
address_t laddr;
ival_t size;
uval_t offset;
} cmd_alignblk;
} u;
} *waitfors, *waitfor;
struct star_s *star_tree = NULL;
static const char *const command[] = { /* must be sorted, first char is the ID */
"\x08" "addr",
"\x22" "al",
"\x34" "align",
"\x72" "alignblk",
"\x75" "alignind",
"\x74" "alignpageind",
"\x21" "as",
"\x35" "assert",
"\x5b" "autsiz",
"\x3a" "bend",
"\x63" "bfor",
"\x1a" "binary",
"\x50" "binclude",
"\x39" "block",
"\x5a" "break",
"\x66" "breakif",
"\x62" "brept",
"\x65" "bwhile",
"\x05" "byte",
"\x54" "case",
"\x4e" "cdef",
"\x32" "cerror",
"\x06" "char",
"\x36" "check",
"\x1b" "comment",
"\x59" "continue",
"\x67" "continueif",
"\x37" "cpu",
"\x33" "cwarn",
"\x28" "databank",
"\x55" "default",
"\x0d" "dint",
"\x29" "dpage",
"\x4c" "dsection",
"\x47" "dstruct",
"\x4a" "dunion",
"\x0e" "dword",
"\x4f" "edef",
"\x17" "elif",
"\x15" "else",
"\x17" "elsif",
"\x2c" "enc",
"\x6f" "encode",
"\x3f" "end",
"\x73" "endalignblk",
"\x3a" "endblock",
"\x1c" "endc",
"\x1c" "endcomment",
"\x70" "endencode",
"\x52" "endf",
"\x6c" "endfor",
"\x52" "endfunction",
"\x16" "endif",
"\x20" "endlogical",
"\x11" "endm",
"\x6a" "endmacro",
"\x5f" "endn",
"\x5f" "endnamespace",
"\x1e" "endp",
"\x1e" "endpage",
"\x27" "endproc",
"\x6d" "endrept",
"\x46" "ends",
"\x4d" "endsection",
"\x6b" "endsegment",
"\x46" "endstruct",
"\x56" "endswitch",
"\x49" "endu",
"\x49" "endunion",
"\x61" "endv",
"\x61" "endvirtual",
"\x58" "endweak",
"\x6e" "endwhile",
"\x69" "endwith",
"\x40" "eor",
"\x25" "error",
"\x16" "fi",
"\x2a" "fill",
"\x12" "for",
"\x76" "from",
"\x51" "function",
"\x44" "goto",
"\x20" "here",
"\x3e" "hidemac",
"\x14" "if",
"\x2f" "ifeq",
"\x31" "ifmi",
"\x2e" "ifne",
"\x30" "ifpl",
"\x19" "include",
"\x43" "lbl",
"\x0b" "lint",
"\x1f" "logical",
"\x0c" "long",
"\x10" "macro",
"\x5c" "mansiz",
"\x5e" "namespace",
"\x13" "next",
"\x04" "null",
"\x0f" "offs",
"\x38" "option",
"\x1d" "page",
"\x27" "pend",
"\x26" "proc",
"\x3c" "proff",
"\x3b" "pron",
"\x01" "ptext",
"\x18" "rept",
"\x07" "rta",
"\x4b" "section",
"\x5d" "seed",
"\x41" "segment",
"\x4d" "send",
"\x2d" "sfunction",
"\x02" "shift",
"\x03" "shiftl",
"\x3d" "showmac",
"\x09" "sint",
"\x45" "struct",
"\x53" "switch",
"\x71" "tdef",
"\x00" "text",
"\x48" "union",
"\x42" "var",
"\x60" "virtual",
"\x2b" "warn",
"\x57" "weak",
"\x64" "while",
"\x68" "with",
"\x0a" "word",
"\x24" "xl",
"\x23" "xs",
};
typedef enum Command_types {
CMD_TEXT = 0, CMD_PTEXT, CMD_SHIFT, CMD_SHIFTL, CMD_NULL, CMD_BYTE, CMD_CHAR,
CMD_RTA, CMD_ADDR, CMD_SINT, CMD_WORD, CMD_LINT, CMD_LONG, CMD_DINT,
CMD_DWORD, CMD_OFFS, CMD_MACRO, CMD_ENDM, CMD_FOR, CMD_NEXT, CMD_IF,
CMD_ELSE, CMD_FI, CMD_ELSIF, CMD_REPT, CMD_INCLUDE, CMD_BINARY,
CMD_COMMENT, CMD_ENDC, CMD_PAGE, CMD_ENDP, CMD_LOGICAL, CMD_HERE, CMD_AS,
CMD_AL, CMD_XS, CMD_XL, CMD_ERROR, CMD_PROC, CMD_PEND, CMD_DATABANK,
CMD_DPAGE, CMD_FILL, CMD_WARN, CMD_ENC, CMD_SFUNCTION, CMD_IFNE, CMD_IFEQ,
CMD_IFPL, CMD_IFMI, CMD_CERROR, CMD_CWARN, CMD_ALIGN, CMD_ASSERT,
CMD_CHECK, CMD_CPU, CMD_OPTION, CMD_BLOCK, CMD_BEND, CMD_PRON, CMD_PROFF,
CMD_SHOWMAC, CMD_HIDEMAC, CMD_END, CMD_EOR, CMD_SEGMENT, CMD_VAR, CMD_LBL,
CMD_GOTO, CMD_STRUCT, CMD_ENDS, CMD_DSTRUCT, CMD_UNION, CMD_ENDU,
CMD_DUNION, CMD_SECTION, CMD_DSECTION, CMD_SEND, CMD_CDEF, CMD_EDEF,
CMD_BINCLUDE, CMD_FUNCTION, CMD_ENDF, CMD_SWITCH, CMD_CASE, CMD_DEFAULT,
CMD_ENDSWITCH, CMD_WEAK, CMD_ENDWEAK, CMD_CONTINUE, CMD_BREAK, CMD_AUTSIZ,
CMD_MANSIZ, CMD_SEED, CMD_NAMESPACE, CMD_ENDN, CMD_VIRTUAL, CMD_ENDV,
CMD_BREPT, CMD_BFOR, CMD_WHILE, CMD_BWHILE, CMD_BREAKIF, CMD_CONTINUEIF,
CMD_WITH, CMD_ENDWITH, CMD_ENDMACRO, CMD_ENDSEGMENT, CMD_ENDFOR,
CMD_ENDREPT, CMD_ENDWHILE, CMD_ENCODE, CMD_ENDENCODE, CMD_TDEF,
CMD_ALIGNBLK, CMD_ENDALIGNBLK, CMD_ALIGNPAGEIND, CMD_ALIGNIND, CMD_FROM
} Command_types;
/* --------------------------------------------------------------------------- */
static void compile_init(const char *name) {
err_init(name);
init_type();
objects_init();
init_section();
init_file();
init_variables();
init_eval();
init_ternary();
init_opt_bit();
waitfors = NULL;
waitfor_p = 0;
waitfor_len = 0;
pass = 0;
err_msg_char_note_once = 0;
max_pass = MAX_PASS;
}
static void compile_destroy(void) {
destroy_lastlb();
destroy_eval();
destroy_argvalues();
destroy_variables();
destroy_section();
destroy_longjump();
destroy_encoding();
destroy_values();
destroy_transs();
err_destroy();
destroy_file();
destroy_ternary();
destroy_opt_bit();
destroy_arguments();
if (unfc(NULL)) {}
if (unfkc(NULL, NULL, 0)) {}
str_cfcpy(NULL, NULL);
free_macro();
free(waitfors);
}
void new_waitfor(Wait_types what, linepos_t epoint) {
uint8_t skwait = waitfor->skip;
waitfor_p++;
if (waitfor_p >= waitfor_len) extend_array(&waitfors, &waitfor_len, 8);
waitfor = &waitfors[waitfor_p];
waitfor->what = what;
waitfor->skip = skwait;
waitfor->epoint = *epoint;
}
static void reset_waitfor(void) {
struct waitfor_s dummy;
struct linepos_s lpos = {0, 0};
dummy.skip = 1;
waitfor_p = (size_t)0 - 1U;
waitfor = &dummy;
new_waitfor(W_NONE, &lpos);
}
bool close_waitfor(Wait_types what) {
if (waitfor->what == what) {
waitfor_p--;
waitfor = &waitfors[waitfor_p];
return true;
}
return false;
}
static void set_size(const Label *label, address_t size, Memblocks *mem, address_t oaddr, size_t membp) {
Code *code = Code(label->value);
if (code->v.obj != CODE_OBJ) return;
size &= all_mem2;
if (code->size != size) {
code->size = size;
if (code->pass != 0) {
if (fixeddig && pass > max_pass) err_msg_cant_calculate(&label->name, &label->epoint);
fixeddig = false;
}
}
code->pass = pass;
if (code->memblocks != mem) {
val_destroy(Obj(code->memblocks));
code->memblocks = ref_memblocks(mem);
}
code->memaddr = oaddr;
code->membp = membp;
}
static address_t alignblk_set_size(Label *label) {
Alignblk *alignblk = Alignblk(label->value);
address_t size;
if (alignblk->v.obj != ALIGNBLK_OBJ) return 0;
size = (current_address->address - alignblk->addr) & all_mem2;
if (alignblk->size != size) {
alignblk->size = size;
if (alignblk->pass != 0) {
if (fixeddig && pass > max_pass) err_msg_cant_calculate(&label->name, &label->epoint);
fixeddig = false;
}
}
alignblk->pass = pass;
val_destroy(Obj(label));
return size;
}
static bool tobool(const struct values_s *v1, bool *truth) {
Obj *val = v1->val, *err;
const Type *obj = val->obj;
bool error;
if (obj == BOOL_OBJ) {
*truth = Bool(val)->value;
return false;
}
err = obj->truth(val, TRUTH_BOOL, &v1->epoint);
error = err->obj != BOOL_OBJ;
if (error) {
if (err->obj == ERROR_OBJ) {
err_msg_output(Error(err));
}
} else {
*truth = Bool(err)->value;
if (diagnostics.strict_bool) err_msg_bool(ERROR_____CANT_BOOL, val, &v1->epoint);
}
val_destroy(err);
return error;
}
static MUST_CHECK bool touval2(const struct values_s *vals, uval_t *uv, unsigned int bits) {
Error *err;
Obj *val = vals->val;
if (val == none_value && (constcreated || !fixeddig) && pass < max_pass) return true;
err = val->obj->uval2(val, uv, bits, &vals->epoint);
if (err == NULL) return false;
err_msg_output_and_destroy(err);
return true;
}
/* --------------------------------------------------------------------------- */
/*
* Skip memory
*/
static void memskip(address_t db, linepos_t epoint) {
if (current_address->moved) {
if (current_address->address < current_address->start) err_msg2(ERROR_OUTOF_SECTION, NULL, epoint);
if (current_address->wrapwarn) {err_msg_mem_wrap(epoint);current_address->wrapwarn = false;}
current_address->moved = false;
}
if (current_address->bankwarn) {err_msg_pc_bank(epoint);current_address->bankwarn = false;}
if (db > (~current_address->l_address & 0xffff)) {
current_address->bankwarn = (0x10000 - (current_address->l_address & 0xffff) == db);
if (!current_address->bankwarn) err_msg_pc_bank(epoint);
current_address->l_address = (current_address->l_address + db) & all_mem;
} else current_address->l_address += db;
if (db > (~current_address->address & all_mem2)) {
if (db - 1 + current_address->address == all_mem2) {
current_address->wrapwarn = current_address->moved = true;
if (current_address->end <= all_mem2) current_address->end = all_mem2 + 1;
current_address->address = 0;
} else {
if (current_address->start != 0) err_msg2(ERROR_OUTOF_SECTION, NULL, epoint);
if (current_address->end <= all_mem2) current_address->end = all_mem2 + 1;
current_address->moved = false;
current_address->address = (current_address->address + db) & all_mem2;
err_msg_mem_wrap(epoint);current_address->wrapwarn = false;
}
} else current_address->address += db;
memjmp(current_address->mem, current_address->address);
}
/* --------------------------------------------------------------------------- */
/*
* output one byte
*/
FAST_CALL uint8_t *pokealloc(address_t db, linepos_t epoint) {
if (current_address->moved) {
if (current_address->address < current_address->start) err_msg2(ERROR_OUTOF_SECTION, NULL, epoint);
if (current_address->wrapwarn) {err_msg_mem_wrap(epoint);current_address->wrapwarn = false;}
current_address->moved = false;
}
if (current_address->bankwarn) {err_msg_pc_bank(epoint);current_address->bankwarn = false;}
if (db > (~current_address->l_address & 0xffff)) {
current_address->bankwarn = (0x10000 - (current_address->l_address & 0xffff) == db);
if (!current_address->bankwarn) err_msg_pc_bank(epoint);
current_address->l_address = (current_address->l_address + db) & all_mem;
} else current_address->l_address += db;
if (db > (~current_address->address & all_mem2)) {
if (db - 1 + current_address->address == all_mem2) {
current_address->wrapwarn = current_address->moved = true;
if (current_address->end <= all_mem2) current_address->end = all_mem2 + 1;
current_address->address = 0;
} else {
if (current_address->start != 0) err_msg2(ERROR_OUTOF_SECTION, NULL, epoint);
if (current_address->end <= all_mem2) current_address->end = all_mem2 + 1;
current_address->moved = false;
current_address->address = (current_address->address + db) & all_mem2;
err_msg_mem_wrap(epoint);current_address->wrapwarn = false;
}
} else current_address->address += db;
return alloc_mem(current_address->mem, db);
}
/* --------------------------------------------------------------------------- */
static int get_command(void) {
enum { MASK = 255 };
static uint8_t hash[MASK + 1];
unsigned int no, also, felso, elozo;
const uint8_t *label;
uint8_t tmp[13];
unsigned int ln, h;
lpoint.pos++;
label = pline + lpoint.pos;
for (ln = h = 0; ln < sizeof tmp; ln++) {
if ((uint8_t)(label[ln] - 'a') <= ('z' - 'a')) {
h *= 7;
h ^= tmp[ln] = label[ln];
continue;
}
if ((uint8_t)(label[ln] - 'A') > ('Z' - 'A')) break;
if (!arguments.caseinsensitive) break;
h *= 7;
h ^= tmp[ln] = label[ln] | 0x20;
}
if ((unsigned int)(ln - 2u) >= (sizeof tmp - 2)) return lenof(command);
if (label[ln] >= '0') {
if ((label[ln] & 0x80) != 0) {
if (arguments.to_ascii) {
unichar_t ch;
utf8in(label + ln, &ch);
if ((uget_property(ch)->property & (id_Continue | id_Start)) != 0) return lenof(command);
}
} else if (label[ln] <= '9' || (uint8_t)(label[ln] - 'A') <= ('Z' - 'A') || label[ln] == '_') return lenof(command);
}
tmp[ln] = 0;
for (;;) {
const uint8_t *cmd2;
uint8_t h2 = hash[h & MASK];
if (h2 == 0) break;
cmd2 = (const uint8_t *)command[h2 - 1] + 1;
if (tmp[0] == cmd2[0]) {
unsigned int i;
for (i = 1; tmp[i] == cmd2[i]; i++) {
if (tmp[i] != 0) continue;
lpoint.pos += ln;
return cmd2[-1];
}
}
h += 5;
}
also = 0;
felso = lenof(command);
no = lenof(command)/2;
do {
const uint8_t *cmd2 = (const uint8_t *)command[no] + 1;
unsigned int i;
for (i = 0; tmp[i] == cmd2[i]; i++) {
if (tmp[i] != 0) continue;
lpoint.pos += i;
hash[h & MASK] = (uint8_t)(no + 1);
return cmd2[-1];
}
elozo = no;
no = ((tmp[i] >= cmd2[i]) ? (felso + (also = no)) : (also + (felso = no)))/2;
} while (elozo != no);
return lenof(command);
}
/* ------------------------------------------------------------------------------ */
static void set_cpumode(const struct cpu_s *cpumode) {
current_cpu = cpumode;
all_mem = cpumode->max_address;
all_mem_bits = (all_mem == 0xffff) ? 16 : 24;
select_opcodes(cpumode);
cpu_opt_set_cpumode(cpumode);
if (registerobj_createnames(cpumode->registers)) constcreated = true;
}
static void const_assign(Label *label, Obj *val) {
label->defpass = pass;
if (fixeddig && label->usepass >= pass) {
if (val->obj->same(val, label->value)) {
val_destroy(val);
return;
}
if (pass > max_pass) err_msg_cant_calculate(&label->name, &label->epoint);
fixeddig = false;
}
val_destroy(label->value);
label->value = val;
}
struct textrecursion_s {
address_t gaps, p;
address_t sum, max;
int prm;
Textconv_types tconv;
Error_types error;
uint8_t buff[16];
linepos_t epoint;
};
static void textrecursion_flush(struct textrecursion_s *trec) {
memcpy(pokealloc(trec->p, trec->epoint), trec->buff, trec->p);
trec->p = 0;
}
static void textrecursion_gaps(struct textrecursion_s *trec) {
memskip(trec->gaps, trec->epoint);
trec->gaps = 0;
}
static void textdump(struct textrecursion_s *trec, unsigned int uval) {
switch (trec->prm) {
case CMD_SHIFT:
if ((uval & 0x80) != 0) {
uval ^= 0x80;
trec->error = ERROR___NO_HIGH_BIT;
}
break;
case CMD_SHIFTL:
if ((uval & 0x80) != 0) trec->error = ERROR___NO_HIGH_BIT;
uval <<= 1;
break;
case CMD_NULL:
if (uval == 0) trec->error = ERROR_NO_ZERO_VALUE;
break;
default:
break;
}
if (trec->p >= sizeof trec->buff) textrecursion_flush(trec);
trec->buff[trec->p++] = (uint8_t)(uval ^ outputeor);
}
static void textdump_bytes(struct textrecursion_s *trec, const Bytes *bytes) {
size_t len2;
address_t i, ln;
unsigned int inv;
if (bytes->len > 0) {
len2 = (size_t)bytes->len;
inv = 0;
} else if (bytes->len == 0) {
return;
} else {
inv = 0xff;
len2 = (size_t)~bytes->len;
}
ln = trec->max - trec->sum;
if (len2 < ln) ln = (address_t)len2;
trec->sum += ln;
if (trec->gaps > 0) textrecursion_gaps(trec);
if (ln > sizeof trec->buff) {
uint8_t *d;
if (trec->p > 0) textrecursion_flush(trec);
if (trec->prm == CMD_SHIFT || trec->prm == CMD_SHIFTL) ln--;
d = pokealloc(ln, trec->epoint);
switch (trec->prm) {
case CMD_SHIFT:
for (i = 0; i < ln; i++) {
unsigned int uval = bytes->data[i] ^ inv;
if ((uval & 0x80) != 0) {
uval ^= 0x80;
trec->error = ERROR___NO_HIGH_BIT;
}
d[i] = (uint8_t)(uval ^ outputeor);
}
textdump(trec, bytes->data[i] ^ inv);
return;
case CMD_SHIFTL:
for (i = 0; i < ln; i++) {
unsigned int uval = bytes->data[i] ^ inv;
if ((uval & 0x80) != 0) trec->error = ERROR___NO_HIGH_BIT;
uval <<= 1;
d[i] = (uint8_t)(uval ^ outputeor);
}
textdump(trec, bytes->data[i] ^ inv);
return;
case CMD_NULL:
for (i = 0; i < ln; i++) {
unsigned int uval = bytes->data[i] ^ inv;
if (uval == 0) trec->error = ERROR_NO_ZERO_VALUE;
d[i] = (uint8_t)(uval ^ outputeor);
}
return;
default:
inv = (uint8_t)(inv ^ outputeor);
if (inv == 0) {
memcpy(d, bytes->data, ln);
return;
}
for (i = 0; i < ln; i++) {
d[i] = (uint8_t)(bytes->data[i] ^ inv);
}
return;
}
}
for (i = 0; i < ln; i++) {
textdump(trec, bytes->data[i] ^ inv);
}
}
static void textrecursion(struct textrecursion_s *trec, Obj *val) {
struct iter_s iter;
uval_t uval;
if (trec->sum >= trec->max) return;
retry:
switch (val->obj->type) {
case T_STR:
val = bytes_from_str(Str(val), trec->epoint, trec->tconv);
asbytes:
if (val->obj != BYTES_OBJ) goto nbytes;
textdump_bytes(trec, Bytes(val));
val_destroy(val);
return;
case T_ERROR:
case T_FLOAT:
case T_INT:
case T_BOOL:
case T_NONE:
iter.data = NULL;
goto doit;
case T_CODE:
val = get_code_value(Code(val), trec->epoint);
nbytes:
textrecursion(trec, val);
val_destroy(val);
return;
case T_ADDRESS:
if (Address(val)->type != A_NONE) {
iter.data = NULL;
goto doit;
}
val = Address(val)->val;
goto retry;
case T_GAP:
iter.data = NULL;
goto dogap;
case T_BITS:
if (Bits(val)->bits <= 8) {
if (Bits(val)->bits == 0) return;
iter.data = NULL;
goto doit;
}
val = bytes_from_bits(Bits(val), trec->epoint);
goto asbytes;
case T_BYTES:
iter.data = NULL;
goto dobytes;
default:
iter.data = val; val->obj->getiter(&iter);
}
while ((val = iter.next(&iter)) != NULL) {
if (val->obj->iterable) goto rec;
switch (val->obj->type) {
case T_BITS:
if (Bits(val)->bits <= 8) {
if (Bits(val)->bits == 0) break;
goto doit;
}
FALL_THROUGH; /* fall through */
case T_STR:
case T_CODE:
case T_ADDRESS:
rec:
textrecursion(trec, val);
break;
case T_GAP:
dogap:
if (trec->p > 0) textrecursion_flush(trec);
trec->gaps++;
trec->sum++;
if (iter.data == NULL) return;
break;
case T_BYTES:
dobytes:
textdump_bytes(trec, Bytes(val));
if (iter.data == NULL) return;
break;
default:
doit:
if (touval(val, &uval, 8, trec->epoint)) uval = 256 + '?'; else uval &= 0xff;
trec->sum++;
if (trec->gaps > 0) textrecursion_gaps(trec);
textdump(trec, uval);
if (iter.data == NULL) return;
break;
}
if (trec->sum >= trec->max) break;
}
iter_destroy(&iter);
}
struct byterecursion_s {
address_t gaps, p;
uint8_t buff[16];
bool warn;
linepos_t epoint;
linepos_t epoint2;
int bits;
int prm;
};
static void byterecursion_flush(struct byterecursion_s *brec) {
memcpy(pokealloc(brec->p, brec->epoint), brec->buff, brec->p);
brec->p = 0;
}
static void byterecursion_gaps(struct byterecursion_s *brec) {
memskip(brec->gaps, brec->epoint);
brec->gaps = 0;
}
static void byterecursion(struct byterecursion_s *brec, Obj *val) {
struct iter_s iter;
uint32_t ch2;
uval_t uv;
ival_t iv;
const Type *type = val->obj;
if (!type->iterable) {
if (type == GAP_OBJ) {
if (brec->p > 0) byterecursion_flush(brec);
brec->gaps += (unsigned int)abs(brec->bits) / 8;
return;
}
iter.data = NULL;
if (type == NONE_OBJ) goto donone;
goto doit;
}
iter.data = val; type->getiter(&iter);
while ((val = iter.next(&iter)) != NULL) {
if (val->obj->iterable) {
byterecursion(brec, val);
continue;
}
switch (val->obj->type) {
case T_GAP:
if (brec->p > 0) byterecursion_flush(brec);
brec->gaps += (unsigned int)abs(brec->bits) / 8;
continue;
default:
doit:
if (brec->prm == CMD_RTA || brec->prm == CMD_ADDR) {
atype_t am = val->obj->address(val);
if (touaddress(val, &uv, (am == A_KR) ? 16 : all_mem_bits, brec->epoint)) {
ch2 = 0;
break;
}
uv &= all_mem;
switch (am) {
case A_NONE:
if ((current_address->l_address ^ uv) > 0xffff) err_msg2(ERROR_CANT_CROSS_BA, val, brec->epoint);
break;
case A_KR:
break;
default:
err_msg_output_and_destroy(err_addressing(am, brec->epoint, -1));
}
ch2 = (brec->prm == CMD_RTA) ? (uv - 1) : uv;
break;
}
if (brec->bits >= 0) {
if (touval(val, &uv, (unsigned int)brec->bits, brec->epoint)) {
if (diagnostics.pitfalls) {
if (brec->prm == CMD_BYTE && val->obj == STR_OBJ) err_msg_byte_note(brec->epoint2);
else if (brec->prm != CMD_RTA && brec->prm != CMD_ADDR && err_msg_char_note_once != pass) {
Error *err = val->obj->ival(val, &iv, (unsigned int)brec->bits, brec->epoint2);
if (err != NULL) val_destroy(Obj(err));
else {
const char *txt;
switch (brec->prm) {
case CMD_BYTE: txt = ".char"; break;
case CMD_LONG: txt = ".lint"; break;
case CMD_DWORD: txt = ".dint"; break;
default:
case CMD_WORD: txt = ".sint"; break;
}
err_msg_char_note(txt, brec->epoint2);
err_msg_char_note_once = pass;
}
}
}
uv = 0;
}
ch2 = uv;
} else {
if (toival(val, &iv, (unsigned int)-brec->bits, brec->epoint)) iv = 0;
ch2 = (uint32_t)iv;
}
break;
case T_NONE:
donone:
brec->warn = true;
ch2 = 0;
}
if (brec->gaps > 0) byterecursion_gaps(brec);
else if (brec->p >= (sizeof brec->buff) - 4) byterecursion_flush(brec);
ch2 ^= outputeor;
brec->buff[brec->p++] = (uint8_t)ch2;
if (brec->prm >= CMD_RTA) {
brec->buff[brec->p++] = (uint8_t)(ch2 >> 8);
if (brec->prm >= CMD_LINT) {
brec->buff[brec->p++] = (uint8_t)(ch2 >> 16);
if (brec->prm >= CMD_DINT) brec->buff[brec->p++] = (uint8_t)(ch2 >> 24);
}
}
if (iter.data == NULL) return;
}
iter_destroy(&iter);
}
static void memfill(address_t db, const struct values_s *vs) {
struct textrecursion_s trec;
size_t membp = get_mem(current_address->mem);
address_t oaddr = current_address->address;
trec.p = 0;
trec.gaps = 0;
trec.sum = 0;
trec.max = db;
trec.prm = CMD_TEXT;
trec.tconv = BYTES_MODE_TEXT;
trec.error = ERROR__USER_DEFINED;
trec.epoint = &vs->epoint;
textrecursion(&trec, vs->val);
if (trec.error != ERROR__USER_DEFINED) err_msg2(trec.error, NULL, trec.epoint);
db -= trec.sum;
if (db != 0) {
if (trec.sum == 1 && trec.p == 1) {
memset(pokealloc(db + 1, trec.epoint), trec.buff[0], db + 1); /* single byte shortcut */
trec.p = 0;
} else if (trec.sum == trec.gaps) {
if (trec.sum == 0) err_msg2(ERROR__BYTES_NEEDED, NULL, trec.epoint);
trec.gaps += db; /* gap shortcut */
} else {
address_t offs = 0;
if (trec.p > 0) textrecursion_flush(&trec);
while (db != 0) { /* pattern repeat */
int ch;
db--;
ch = read_mem(current_address->mem, oaddr, membp, offs);
if (ch < 0) {
if (trec.p > 0) textrecursion_flush(&trec);
trec.gaps++;
} else {
if (trec.gaps > 0) textrecursion_gaps(&trec);