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|
%{
/* xa_rasm.l - This file is part of Paul's XA51 Assembler
Copyright 1997,2002 Paul Stoffregen (paul at pjrc dot com)
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 3, 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, see <http://www.gnu.org/licenses/>. */
/* Author contact: paul@pjrc.com */
#include <stdio.h>
#include <string.h>
#include "xa_main.h"
#include "xa_rasm.tab.h"
extern int inst_size, yylval;
char line_text[MAX_LINE]={'\0'}, last_line_text[MAX_LINE];
char lex_sym_name[MAX_SYMBOL];
extern char base_symbol_name[];
#define LIST if (p3) strcat(line_text, yytext)
%}
%%
add\.w {LIST; inst_size=SIZE16; return ADD;}
add\.b {LIST; inst_size=SIZE8; return ADD;}
add {LIST; inst_size=UNKNOWN; return ADD;}
addc\.w {LIST; inst_size=SIZE16; return ADDC;}
addc\.b {LIST; inst_size=SIZE8; return ADDC;}
addc {LIST; inst_size=UNKNOWN; return ADDC;}
adds\.w {LIST; inst_size=SIZE16; return ADDS;}
adds\.b {LIST; inst_size=SIZE8; return ADDS;}
adds {LIST; inst_size=UNKNOWN; return ADDS;}
and\.w {LIST; inst_size=SIZE16; return AND;}
and\.b {LIST; inst_size=SIZE8; return AND;}
and {LIST; inst_size=UNKNOWN; return AND;}
anl {LIST; inst_size=UNKNOWN; return ANL;}
asl\.d {LIST; inst_size=SIZE32; return ASL;}
asl\.w {LIST; inst_size=SIZE16; return ASL;}
asl\.b {LIST; inst_size=SIZE8; return ASL;}
asl {LIST; inst_size=UNKNOWN; return ASL;}
asr\.d {LIST; inst_size=SIZE32; return ASR;}
asr\.w {LIST; inst_size=SIZE16; return ASR;}
asr\.b {LIST; inst_size=SIZE8; return ASR;}
asr {LIST; inst_size=UNKNOWN; return ASR;}
bcc {LIST; inst_size=UNKNOWN; return BCC;}
bcs {LIST; inst_size=UNKNOWN; return BCS;}
beq {LIST; inst_size=UNKNOWN; return BEQ;}
bg {LIST; inst_size=UNKNOWN; return BG;}
bge {LIST; inst_size=UNKNOWN; return BGE;}
bgt {LIST; inst_size=UNKNOWN; return BGT;}
bkpt {LIST; inst_size=UNKNOWN; return BKPT;}
bl {LIST; inst_size=UNKNOWN; return BL;}
ble {LIST; inst_size=UNKNOWN; return BLE;}
blt {LIST; inst_size=UNKNOWN; return BLT;}
bmi {LIST; inst_size=UNKNOWN; return BMI;}
bne {LIST; inst_size=UNKNOWN; return BNE;}
bnv {LIST; inst_size=UNKNOWN; return BNV;}
bov {LIST; inst_size=UNKNOWN; return BOV;}
bpl {LIST; inst_size=UNKNOWN; return BPL;}
br {LIST; inst_size=UNKNOWN; return BR;}
call {LIST; inst_size=UNKNOWN; return CALL;}
cjne\.w {LIST; inst_size=SIZE16; return CJNE;}
cjne\.b {LIST; inst_size=SIZE8; return CJNE;}
cjne {LIST; inst_size=UNKNOWN; return CJNE;}
clr {LIST; inst_size=UNKNOWN; return CLR;}
cmp\.w {LIST; inst_size=SIZE16; return CMP;}
cmp\.b {LIST; inst_size=SIZE8; return CMP;}
cmp {LIST; inst_size=UNKNOWN; return CMP;}
cpl\.w {LIST; inst_size=SIZE16; return CPL;}
cpl\.b {LIST; inst_size=SIZE8; return CPL;}
cpl {LIST; inst_size=UNKNOWN; return CPL;}
da\.b {LIST; inst_size=SIZE8; return DA;}
da {LIST; inst_size=UNKNOWN; return DA;}
div\.d {LIST; inst_size=SIZE32; return DIV;}
div\.w {LIST; inst_size=SIZE16; return DIV;}
div\.b {LIST; inst_size=SIZE8; return DIV;}
div {LIST; inst_size=UNKNOWN; return DIV;}
divu\.d {LIST; inst_size=SIZE32; return DIVU;}
divu\.w {LIST; inst_size=SIZE16; return DIVU;}
divu\.b {LIST; inst_size=SIZE8; return DIVU;}
divu {LIST; inst_size=UNKNOWN; return DIVU;}
djnz\.w {LIST; inst_size=SIZE16; return DJNZ;}
djnz\.b {LIST; inst_size=SIZE8; return DJNZ;}
djnz {LIST; inst_size=UNKNOWN; return DJNZ;}
fcall {LIST; inst_size=UNKNOWN; return FCALL;}
fjmp {LIST; inst_size=UNKNOWN; return FJMP;}
jb {LIST; inst_size=UNKNOWN; return JB;}
jbc {LIST; inst_size=UNKNOWN; return JBC;}
jmp {LIST; inst_size=UNKNOWN; return JMP;}
jnb {LIST; inst_size=UNKNOWN; return JNB;}
jnz {LIST; inst_size=UNKNOWN; return JNZ;}
jz {LIST; inst_size=UNKNOWN; return JZ;}
lea\.w {LIST; inst_size=SIZE16; return LEA;}
lea {LIST; inst_size=UNKNOWN; return LEA;}
lsr\.d {LIST; inst_size=SIZE32; return LSR;}
lsr\.w {LIST; inst_size=SIZE16; return LSR;}
lsr\.b {LIST; inst_size=SIZE8; return LSR;}
lsr {LIST; inst_size=UNKNOWN; return LSR;}
mov\.w {LIST; inst_size=SIZE16; return MOV;}
mov\.b {LIST; inst_size=SIZE8; return MOV;}
mov {LIST; inst_size=UNKNOWN; return MOV;}
movc\.w {LIST; inst_size=SIZE16; return MOVC;}
movc\.b {LIST; inst_size=SIZE8; return MOVC;}
movc {LIST; inst_size=UNKNOWN; return MOVC;}
movs\.w {LIST; inst_size=SIZE16; return MOVS;}
movs\.b {LIST; inst_size=SIZE8; return MOVS;}
movs {LIST; inst_size=UNKNOWN; return MOVS;}
movx\.w {LIST; inst_size=SIZE16; return MOVX;}
movx\.b {LIST; inst_size=SIZE8; return MOVX;}
movx {LIST; inst_size=UNKNOWN; return MOVX;}
mul\.d {LIST; inst_size=SIZE32; return MUL;}
mul\.w {LIST; inst_size=SIZE16; return MUL;}
mul\.b {LIST; inst_size=SIZE8; return MUL;}
mul {LIST; inst_size=UNKNOWN; return MUL;}
mulu\.d {LIST; inst_size=SIZE32; return MULU;}
mulu\.w {LIST; inst_size=SIZE16; return MULU;}
mulu\.b {LIST; inst_size=SIZE8; return MULU;}
mulu {LIST; inst_size=UNKNOWN; return MULU;}
neg\.w {LIST; inst_size=SIZE16; return NEG;}
neg\.b {LIST; inst_size=SIZE8; return NEG;}
neg {LIST; inst_size=UNKNOWN; return NEG;}
nop {LIST; inst_size=UNKNOWN; return NOP;}
norm\.d {LIST; inst_size=SIZE32; return NORM;}
norm\.w {LIST; inst_size=SIZE16; return NORM;}
norm\.b {LIST; inst_size=SIZE8; return NORM;}
norm {LIST; inst_size=UNKNOWN; return NORM;}
or\.w {LIST; inst_size=SIZE16; return OR;}
or\.b {LIST; inst_size=SIZE8; return OR;}
or {LIST; inst_size=UNKNOWN; return OR;}
orl {LIST; inst_size=UNKNOWN; return ORL;}
pop\.w {LIST; inst_size=SIZE16; return POP;}
pop\.b {LIST; inst_size=SIZE8; return POP;}
pop {LIST; inst_size=UNKNOWN; return POP;}
popu\.w {LIST; inst_size=SIZE16; return POPU;}
popu\.b {LIST; inst_size=SIZE8; return POPU;}
popu {LIST; inst_size=UNKNOWN; return POPU;}
push\.w {LIST; inst_size=SIZE16; return PUSH;}
push\.b {LIST; inst_size=SIZE8; return PUSH;}
push {LIST; inst_size=UNKNOWN; return PUSH;}
pushu\.w {LIST; inst_size=SIZE16; return PUSHU;}
pushu\.b {LIST; inst_size=SIZE8; return PUSHU;}
pushu {LIST; inst_size=UNKNOWN; return PUSHU;}
reset {LIST; inst_size=UNKNOWN; return RESET;}
ret {LIST; inst_size=UNKNOWN; return RET;}
reti {LIST; inst_size=UNKNOWN; return RETI;}
rl\.w {LIST; inst_size=SIZE16; return RL;}
rl\.b {LIST; inst_size=SIZE8; return RL;}
rl {LIST; inst_size=UNKNOWN; return RL;}
rlc\.w {LIST; inst_size=SIZE16; return RLC;}
rlc\.b {LIST; inst_size=SIZE8; return RLC;}
rlc {LIST; inst_size=UNKNOWN; return RLC;}
rr\.w {LIST; inst_size=SIZE16; return RR;}
rr\.b {LIST; inst_size=SIZE8; return RR;}
rr {LIST; inst_size=UNKNOWN; return RR;}
rrc\.w {LIST; inst_size=SIZE16; return RRC;}
rrc\.b {LIST; inst_size=SIZE8; return RRC;}
rrc {LIST; inst_size=UNKNOWN; return RRC;}
setb {LIST; inst_size=UNKNOWN; return SETB;}
sext\.w {LIST; inst_size=SIZE16; return SEXT;}
sext\.b {LIST; inst_size=SIZE8; return SEXT;}
sext {LIST; inst_size=UNKNOWN; return SEXT;}
sub\.w {LIST; inst_size=SIZE16; return SUB;}
sub\.b {LIST; inst_size=SIZE8; return SUB;}
sub {LIST; inst_size=UNKNOWN; return SUB;}
subb\.w {LIST; inst_size=SIZE16; return SUBB;}
subb\.b {LIST; inst_size=SIZE8; return SUBB;}
subb {LIST; inst_size=UNKNOWN; return SUBB;}
trap {LIST; inst_size=UNKNOWN; return TRAP;}
xch\.w {LIST; inst_size=SIZE16; return XCH;}
xch\.b {LIST; inst_size=SIZE8; return XCH;}
xch {LIST; inst_size=UNKNOWN; return XCH;}
xor\.w {LIST; inst_size=SIZE16; return XOR;}
xor\.b {LIST; inst_size=SIZE8; return XOR;}
xor {LIST; inst_size=UNKNOWN; return XOR;}
dptr {LIST; return DPTR;}
pc {LIST; return PC;}
a {LIST; return A;}
c {LIST; return C;}
usp {LIST; return USP;}
org {LIST; return ORG;}
equ {LIST; return EQU;}
sfr {LIST; return SFR;}
db {LIST; return DB;}
dw {LIST; return DW;}
byte {LIST; return DB;}
bit {LIST; return BITDEF;}
reg {LIST; return REGDEF;}
area {LIST; return AREA;}
ds {LIST; return DS;}
DSEG {LIST; yylval = AREA_DSEG; return AREA_NAME;}
BSEG {LIST; yylval = AREA_BSEG; return AREA_NAME;}
XSEG {LIST; yylval = AREA_XSEG; return AREA_NAME;}
XISEG {LIST; yylval = AREA_XISEG; return AREA_NAME;}
XINIT {LIST; yylval = AREA_XINIT; return AREA_NAME;}
GSINIT {LIST; yylval = AREA_GSINIT; return AREA_NAME;}
GSFINAL {LIST; yylval = AREA_GSFINAL; return AREA_NAME;}
HOME {LIST; yylval = AREA_HOME; return AREA_NAME;}
SSEG {LIST; yylval = AREA_SSEG; return AREA_NAME;}
CSEG {LIST; yylval = AREA_CSEG; return AREA_NAME;}
module {LIST; return MODULE;}
globl {LIST; return GLOBL;}
\(DATA\) {LIST; return AREA_DESC;}
\(OVR,XDATA\) {LIST; return AREA_DESC;}
\(BIT\) {LIST; return AREA_DESC;}
\(XDATA\) {LIST; return AREA_DESC;}
\(CODE\) {LIST; return AREA_DESC;}
low {LIST; return LOW;}
high {LIST; return HIGH;}
>> {LIST; return RSHIFT;}
\<\< {LIST; return LSHIFT;}
R[0-9] {LIST; yylval = yytext[1] - '0' + WORD_REG; return REG;}
R1[0-5] {LIST; yylval = yytext[2] - '0' + 10 + WORD_REG; return REG;}
R[0-7]L {LIST; yylval = (yytext[1] - '0') * 2 + BYTE_REG; return REG;}
R[0-7]H {LIST; yylval = (yytext[1] - '0') * 2 + 1 + BYTE_REG; return REG;}
[a-z_][a-z0-9_]* {
LIST;
if (is_def(yytext)) {
yylval = get_value(yytext);
} else {
if (p1) build_sym_list(yytext);
yylval = 0;
//if (p3) error("Symbol undefined");
}
/* keep name in lex_sym_name since yytext */
/* could be overwritten if the parser does */
/* a lookahead operation */
strcpy(lex_sym_name, yytext);
if (is_def(lex_sym_name)) {
yylval = get_value(lex_sym_name);
/* return correct type if special */
if (is_bit(lex_sym_name)) return BIT;
if (is_reg(lex_sym_name)) return REG;
}
if (p3) {
if (*operand[0]) {
// first one in use
strcpy (operand[1], yytext);
} else {
strcpy (operand[0], yytext);
}
}
return WORD;
}
[0-9]+\$ {
LIST;
/* should print error if base_symbol_name */
/* is not defined */
sprintf(lex_sym_name, "%s:%s",
base_symbol_name, yytext);
if (is_def(lex_sym_name)) {
yylval = get_value(lex_sym_name);
} else {
yylval = 0;
if (p3) error("Symbol undefined");
}
return WORD;
}
[01]+[bq] {
LIST;
yylval = binary2int(yytext);
return NUMBER;
}
0x[0-9a-f]+ {
LIST;
sscanf(yytext, "%*c%*c%x", &yylval);
return NUMBER;
}
[0-9a-f]+[h] {
LIST;
sscanf(yytext, "%x%*[hH]", &yylval);
return NUMBER;
}
\$[0-9a-f]+ {
LIST;
sscanf(yytext, "$%x", &yylval);
return NUMBER;
}
-?[0-9]+ {
LIST;
sscanf(yytext, "%d", &yylval);
return NUMBER;
}
\'.\' {
LIST;
yylval = (int)yytext[1];
return CHAR;
}
\'\\.\' {
LIST;
switch (yytext[1]) {
case 'n':
case 'N': yylval = 10; break;
case 'r':
case 'R': yylval = 13; break;
case '0': yylval = 0; break;
default: yylval = (int)yytext[1];
/* print a warning here */
}
return CHAR;
}
\"[^"\n]*["\n] {
LIST;
return STRING;
}
;[^\n]* {LIST; /* comments */}
[ \t\r] {LIST; /* whitespace */}
\n {
strcpy(last_line_text, line_text);
line_text[0] = '\0';
++lineno;
return EOL;
}
. {LIST; return yytext[0];}
%%
|
