qasm/asm.cpp

2892 lines
54 KiB
C++

#define ADD_ERROR_STRINGS
#include "asm.h"
#include "eval.h"
#include "psuedo.h"
#include <sys/ioctl.h>
#include <unistd.h>
#include <string.h>
#define CLASS MerlinLine
CLASS::CLASS(ConfigOptions &opt) : options(&opt)
{
clear();
}
CLASS::CLASS(std::string line, ConfigOptions &opt) : options(&opt)
{
clear();
set(line);
}
void CLASS::setError(uint32_t ecode)
{
errorcode = ecode;
}
void CLASS::print(uint32_t lineno)
{
uint32_t l, i, savpcol, pcol;
bool commentprinted = false;
uint8_t commentcol = tabs[2];
bool force=false;
uint32_t b = 4; // how many bytes show on the first line
if (datafillct > 0)
{
l = datafillct;
}
else
{
l = outbytect;
}
if (l > b)
{
l = b;
}
if (errorcode > 0)
{
if (merlinerrors)
{
//printf("errorcode=%d\n",errorcode);
printf("\n%s in line: %d", errStrings[errorcode].c_str(), lineno + 1);
if (errorText != "")
{
printf(" (%s)", errorText.c_str());
}
printf("\n");
}
force=true;
flags &= (~FLAG_NOLINEPRINT);
}
bool np=(flags & FLAG_NOLINEPRINT)?true:false;
if (options->isQuiet())
{
np=true;
}
if (options->isList())
{
np=false;
}
if (force)
{
np=false;
}
if (np)
{
return;
}
if (options->useColor())
{
if (errorcode > 0)
{
if (errorcode >= errFatal)
{
SetColor(CL_WHITE | CL_BOLD | BG_RED);
}
else
{
SetColor(CL_YELLOW | CL_BOLD | BG_NORMAL);
}
}
else
{
SetColor(CL_WHITE | CL_BOLD | BG_NORMAL);
}
}
bool empty = false;
if ((printlable == "") && (opcode == "") && (printoperand == ""))
{
empty = true;
}
pcol = 0;
bool saddr = flags & FLAG_FORCEADDRPRINT;
saddr = (outbytect > 0) ? true : saddr;
saddr = (printlable != "") ? true : saddr;
if (saddr)
{
pcol += printf("%02X/%04X:", (startpc >> 16), startpc & 0xFFFF);
}
else
{
pcol += printf(" ");
}
for (i = 0; i < l; i++)
{
uint8_t a = datafillbyte;
if (datafillct == 0)
{
a = outbytes[i];
}
pcol += printf("%02X ", a);
}
for (i = l; i < b; i++)
{
pcol += printf(" ");
}
pcol += printf("%6d ", lineno + 1);
if (showmx)
{
if ((outbytect + datafillct) > 0)
{
pcol += printf("%%%c%c ", linemx & 02 ? '1' : '0', linemx & 01 ? '1' : '0');
}
else
{
pcol += printf(" ");
}
string addrmode=options->addrModeEnglish(addressmode).c_str();
pcol+=printf("%s ",addrmode.c_str());
pcol+=printf("/%04X ",flags);
while(pcol<50)
{
pcol+=printf(" ");
}
char sc=shiftchar;
if (sc==0)
{
sc=' ';
}
pcol+=printf("%c |",sc);
}
if (isDebug() > 1)
{
//pcol += printf("%02X ", addressmode & 0xFF);
pcol += printf(" %s ", addrtext.c_str());
}
savpcol = pcol; // this is how many bytes are in the side margin
pcol = 0; // reset pcol here because this is where source code starts
if (empty)
{
if (comment.length() > 0)
{
if (comment[0] == ';')
{
while (pcol < commentcol)
{
pcol += printf(" ");
}
}
//else
{
int comct = 0;
for (uint32_t cc = 0; cc < comment.length(); cc++)
{
pcol += printf("%c", comment[cc]);
comct++;
if ((comment[cc] <= ' ') && (pcol >= (commentcol + savpcol + 20)))
{
printf("\n");
pcol = 0;
while (pcol < (commentcol + savpcol))
{
pcol += printf(" ");
}
}
}
//pcol += printf("%s", comment.c_str());
}
commentprinted = true;
}
}
else
{
pcol += printf("%s ", printlable.c_str());
while (pcol < tabs[0])
{
pcol += printf(" ");
}
pcol += printf("%s ", opcode.c_str());
while (pcol < tabs[1])
{
pcol += printf(" ");
}
if (isDebug() > 1)
{
pcol += printf("%s ", operand.c_str());
}
else
{
if (printoperand.length() > 0)
{
pcol += printf("%s ", printoperand.c_str());
//pcol += printf("%s ", orig_operand.c_str());
}
else
{
pcol += printf("%s ", printoperand.c_str());
//pcol += printf("%s ", orig_operand.c_str());
}
}
//pcol += printf("%-12s %-8s %-10s ", printlable.c_str(), opcode.c_str(), operand.c_str());
}
//printf("merlinerrors=%d\n",merlinerrors);
//merlinerrors=false;
if ((errorcode > 0) && (!merlinerrors))
{
while (pcol < commentcol)
{
pcol += printf(" ");
}
pcol += printf(":[Error] %s", errStrings[errorcode].c_str());
if (errorText.length() > 0)
{
pcol += printf(" (%s)", errorText.c_str());
}
}
else if (!commentprinted)
{
while (pcol < commentcol)
{
pcol += printf(" ");
}
pcol += printf("%s", comment.c_str());
}
//printf("\n");
if ((options->useColor()) && (errorcode > 0))
{
SetColor(CL_NORMAL);
}
uint32_t obc = datafillct;
if (obc == 0)
{
obc = outbytect;
}
uint32_t ct = 1;
if ((obc > b) && ((truncdata & 0x01) == 0))
{
ct = 0;
uint8_t db;
uint32_t t = b;
char *s = (char *)" ";
b = 8;
//printf("t=%d ct=%d\n",t,outbytect);
printf("\n");
while (t < obc)
{
db = datafillbyte;
if (datafillct == 0)
{
db = outbytes[t];
}
if (ct == 0)
{
printf("%s", s);
}
printf("%02X ", db);
t++;
ct++;
if (ct >= b)
{
printf("\n");
ct = 0;
}
}
}
if (ct > 0)
{
printf("\n");
}
}
void CLASS::clear()
{
shiftchar=0;
wholetext = "";
lable = "";
printlable = "";
opcode = "";
opcodelower = "";
operand = "";
printoperand = "";
orig_operand="";
strippedoperand="";
comment = "";
operand_expr = "";
operand_expr2 = "";
addrtext = "";
merlinerrors = false;
linemx = 0;
bytect = 0;
opflags = 0;
pass0bytect = 0;
startpc = 0;
errorcode = 0;
errorText = "";
datafillct = 0;
datafillbyte = 0;
lineno = 0;
addressmode = 0;
expr_value = 0;
eval_result = 0;
flags = 0;
outbytes.clear();
outbytect = 0;
}
std::string operEx[] =
{
"^(\\S*)(#?)([<>\\^|]?)([\"\'])(.*)(\\4)([\\S]*)", // catches the normal delims
"^(\\s*)([!-~])([!-~]*?)([^;]*)\\2(\\S*)", // catches the unusual delims
"^(\\s*)(\\S+)", // captures everything else
""
};
std::string commentEx = "^(\\s*)((;|\\/{2}))+(.*)";
void CLASS::set(std::string line)
{
int state = 0;
int l = (int)line.length();
int i = 0;
int x;
char c;
//char delim;
//bool isascii;
std::string opupper, s;
std::string restofline;
std::string tline = line;
clear();
wholetext = line;
// isascii = false;
//delim = 0;
while (i < l)
{
c = tline[i++];
switch (state)
{
case 7:
if (c >= ' ')
{
comment += c;
}
else
{
i = l;
}
break;
case 0: // start of line state
if ((c == ';') || (c == '*') || (c == '/'))
{
comment += c;
state = 7;
}
else if (c > ' ')
{
lable += c;
state = 1;
}
else
{
state = 2;
};
break;
case 1: // read in entire lable until whitespace
if (c > ' ')
{
lable += c;
}
else
{
state = 2;
}
break;
case 2: // read whitespace between label and opcode
if (c == ';')
{
comment += c;
state = 7;
}
else if (((c == '*') || (c == '/')) && (lable.length() == 0))
{
comment += c;
state = 7;
}
else if (c > ' ')
{
opcode += c;
state = 3;
}
break;
case 3:
{
if (c > ' ')
{
opcode += c;
}
else
{
i--;
state = 4;
}
}
break;
case 4: // read whitespace between opcode and operand
{
std::vector<std::string> strs;
std::string s;
Poco::RegularExpression comEx(commentEx, 0, true);
restofline = Poco::trim(tline.substr(i, tline.length())) + " ";
//printf("ROL: |%s|\n",restofline.c_str());
if (restofline == "")
{
i = l;
break;
}
strs.clear();
x = 0;
try
{
x = comEx.split(restofline, strs, 0);
}
catch (Poco::Exception &e)
{
x = 0;
if (isDebug() > 3)
{
cout << e.displayText() << endl;
}
}
if (x > 0)
{
// if the comment detector above is true, then the rest of line is comment;
operand = "";
comment = strs[0];
//printf("comment=%s\n", comment.c_str());
i = l;
break;
}
int ct = 0;
int x = 0;
bool match = false;
s = operEx[ct];
while (s != "")
{
RegularExpression regex(s, 0, true);
strs.clear();
x = 0;
try
{
x = regex.split(restofline, strs, 0);
}
catch (Poco::Exception &e)
{
x = 0;
if (isDebug() > 3)
{
cout << e.displayText() << endl;
}
}
if (x > 0)
{
//printf("%d regex %d match |%s|\n", ct, x, restofline.c_str());
operand = strs[0];
orig_operand=operand;
//printf("which=%d operand=|%s|\n",ct,operand.c_str());
i = (int)operand.length();
restofline = restofline.substr(i, restofline.length());
comment = Poco::trim(restofline);
match = true;
break;
}
ct++;
s = operEx[ct];
}
i = l;
if (!match)
{
// if you are here, there probably isn't an operand and/or comment after opcode
}
}
break;
}
}
printlable = lable;
x = (int)lable.length();
if (x > 1)
{
// M32 syntax allows a colon after lable, and it is not part of the lable
//if ((syntax & SYNTAX_MERLIN32) == SYNTAX_MERLIN32)
if (options->isMerlin32())
{
while ((x > 1) && (lable[x - 1] == ':'))
{
lable = lable.substr(0, x - 1);
x--;
}
//printf("linelable: |%s|\n", lable.c_str());
}
}
opcodelower = Poco::toLower(opcode);
}
#undef CLASS
#define CLASS TFileProcessor
CLASS::CLASS(ConfigOptions &opt) : options(opt)
{
int x;
errorct = 0;
//syntax=SYNTAX_QASM;
win_columns = -1;
win_rows = -1;
struct winsize w;
x = ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
if (x == 0)
{
win_columns = w.ws_col;
win_rows = w.ws_row;
}
//printf("cols=%d rows=%d\n",win_columns,win_rows);
}
CLASS::~CLASS()
{
}
void CLASS::setLanguage(string lang,bool force)
{
options.setLanguage(lang,force);
}
void CLASS::errorOut(uint16_t code)
{
printf("error: %d\n", code);
}
void CLASS::init(void)
{
int ts, tabpos;
std::string s;
filenames.clear();
starttime = GetTickCount();
initialdir = Poco::Path::current();
filecount = 0;
//syntax = SYNTAX_QASM;
//std::string tabstr = getConfig("reformat.tabs", "8,16,32");
std::string tabstr = getConfig("reformat.tabs", "12,24,40,70");
tabstr = Poco::trim(tabstr);
memset(tabs, 0x00, sizeof(tabs));
Poco::StringTokenizer t(tabstr, ",;", 0);
tabpos = 0;
for (auto itr = t.begin(); itr != t.end(); ++itr)
{
s = Poco::trim(*itr);
try
{
ts = Poco::NumberParser::parse(s);
}
catch (...)
{
ts = 0;
}
if ((ts >= 0) && (ts < 240))
{
tabs[tabpos++] = ts;
}
}
}
void CLASS::complete(void)
{
uint64_t n = GetTickCount();
//if (isDebug())
{
//cout << "Processing Time: " << n - starttime << "ms" << endl;
uint64_t x = n - starttime;
uint32_t x1 = x & 0xFFFFFFFF;
//if ((!getBool("option.quiet",false)) && (isDebug()>0))
{
printf("Elapsed time: %u ms\n", x1);
}
}
}
void CLASS::process(void)
{
}
int CLASS::doline(int lineno, std::string line)
{
UNUSED(lineno);
UNUSED(line);
int res = -1;
return (res);
}
std::string CLASS::processFilename(std::string fn, std::string curDir, int level)
{
std::string res = fn;
std::string s, s1;
Path p = Poco::Path(fn);
try
{
int n = p.depth();
//LOG_DEBUG << "n=" << n << " " << fn << endl;
if (n == 0)
{
res = curDir + fn;
}
if (n > 0)
{
std::string d1 = p[0];
uint32_t v = 100;
try
{
v = Poco::NumberParser::parseUnsigned(d1);
}
catch (...)
{
v = 99;
}
if (v < 10)
{
Poco::Path p1 = p.popFrontDirectory();
s = p1.toString();
s1 = "global.path" + Poco::NumberFormatter::format(v);
switch (v)
{
case 0:
s = initialdir + s;
break;
default:
s = getConfig(s1, ".") + "/" + s;
if (level < 5)
{
s = processFilename(s, curDir, level + 1);
}
break;
}
p = s;
p.makeAbsolute();
}
res = p.toString();
}
}
catch (Poco::Exception &e)
{
if (isDebug() > 2)
{
cout << "exception: " << e.displayText() << endl;
}
}
catch (std::exception &e)
{
if (isDebug() > 2)
{
cout << e.what() << endl;
}
}
p = res;
p.makeAbsolute();
res = p.toString();
char buff[PATH_MAX + 1];
memset(buff, 0x00, sizeof(buff));
char *rp = realpath(res.c_str(), buff);
if (rp != NULL)
{
//printf("realpath: %s\n", buff);
res = rp;
}
p = res;
p.makeAbsolute();
res = p.toString();
//LOG_DEBUG << "convert: |" << res << "|" << endl;
return (res);
}
int CLASS::processfile(std::string p, std::string &newfilename)
{
//Poco::File fn(p);
int c,c1;
int res = -1;
uint32_t linect;
bool done, valid;
std::string currentdir;
std::string p1;
std::string line, op;
linect = 0;
done = false;
p = Poco::trim(p);
currentdir = Poco::Path::current();
if (filecount == 0)
{
initialdir = currentdir;
//printf("initialdir=%s\n",initialdir.c_str());
}
//printf("currentdir=%s initialdir=%s\n", currentdir.c_str(), initialdir.c_str());
//LOG_DEBUG << "initial file name: " << p << endl;
p = processFilename(p, (filecount == 0) ? currentdir : currentdir, 0);
//LOG_DEBUG << "Converted filename: " << p << endl;
Poco::Path tp(p);
Poco::Path path = tp.makeAbsolute();
Poco::Path parent = path.parent();
std::string dir = parent.toString();
try
{
if (filecount == 0)
{
// is this the first file in the compilation, or a PUT/USE?
// if first, change CWD to location of file
//LOG_DEBUG << "Changing directory to: " << dir << endl;
if (chdir(dir.c_str())) {} // change directory to where the file is
}
p1 = path.toString();
newfilename = p1;
//LOG_DEBUG << "initial file name: " << p1 << endl;
valid = true;
Poco::File fn(p1);
if (!fn.exists())
{
fn = Poco::File(p1 + ".s");
if (!fn.exists())
{
fn = Poco::File(p1 + ".S");
if (!fn.exists())
{
fn = Poco::File(p1 + ".mac");
if (!fn.exists())
{
fn = Poco::File(p1);
valid = false;
}
}
}
}
p1 = fn.path();
//LOG_DEBUG << "File name: " << p1 << endl;
int ecode = -3;
valid = false;
if (fn.exists())
{
ecode = -2;
valid = true;
//LOG_DEBUG << "File exists: " << p1 << endl;
if (fn.isLink())
{
//LOG_DEBUG << "File is a link: " << p1 << endl;
}
if ((fn.isDirectory()) || (!fn.canRead()))
{
LOG_DEBUG << "File is a directory or can not read: " << p1 << endl;
valid = false;
}
}
else
{
printf("file does not exist |%s|\n", p1.c_str());
}
newfilename = p1;
if (!valid)
{
//fprintf(stderr, "Unable to access file: %s\n", p1.c_str());
errorct = 1;
return (ecode);
}
if (valid)
{
if (filecount == 0)
{
}
else
{
for (auto itr = filenames.begin(); itr != filenames.end(); ++itr)
{
if (*itr == p1)
{
return (-9);
}
}
}
filecount++;
filenames.push_back(p1);
std::ifstream f(p1);
if (f.is_open())
{
//printf("file is open\n");
line = "";
while ((!done) && (f.good()) && (!f.eof()))
{
c = f.get();
c1 = c & 0x7F;
if (c == 0x8D) // merlin line ending
{
c = 0x0A; // convert to linux
}
else if (c == 0x8A) // possible merlin line ending
{
c = 0x0D; // ignore
}
else if ((c1<0x20) || (c1==127)) // see if it might be a control character
{
if ((c1==0x0D) || (c1==0x0A) || (c1==0x09))
{
}
else
{
c=0x00;
}
}
c &= 0x7F;
int x;
switch (c)
{
case 0x00:
case 0x0D:
break;
case 0x09:
line += " ";
break;
case 0x0A:
linect++;
line=Poco::trimRight(line); //get rid of any space at end of line
x = doline(linect, line);
if (x < 0)
{
done = true;
}
line = "";
break;
default:
if ((c >= ' ') && (c < 0x7F))
{
line += c;
}
else
{
//printf("garbage %08X\n",c);
}
break;
}
}
if ( (f.eof()))
{
res = 0;
}
}
}
else
{
fprintf(stderr, "File <%s> does not exist.\n\n", p.c_str());
}
}
catch (...)
{
}
return (res);
}
#if 1
#undef CLASS
#define CLASS TMerlinConverter
CLASS::CLASS(ConfigOptions &opt) : TFileProcessor(opt)
{
format_flags=CONVERT_TEST;
//options=new ConfigOptions();
}
CLASS::~CLASS()
{
}
void CLASS::init(void)
{
TFileProcessor::init();
std::string s;
lines.clear();
}
int CLASS::doline(int lineno, std::string line)
{
UNUSED(lineno);
MerlinLine l(line, options);
lines.push_back(l);
return 0;
}
void CLASS::process(void)
{
char buff[128*1024];
uint32_t ct = (uint32_t)lines.size();
uint8_t orval=0x00;
uint32_t flags;
string s;
int llen,oplen,operlen,comlen;
string lable,opcode,operand,comment;
uint32_t len, tlen,t, pos,i;
tlen=0;
flags=format_flags;
for (uint32_t lineno = 0; lineno < ct; lineno++)
{
MerlinLine line = lines.at(lineno);
//printf("line: |%s|\n",line.wholetext.c_str());
orval=0x00;
if (flags&CONVERT_HIGH)
{
orval=0x80;
}
len=0;
pos = 0;
lable=Poco::trimRight(line.printlable);
llen=lable.length();
opcode=Poco::trimRight(line.opcode);
oplen=opcode.length();
operand=Poco::trimRight(line.operand);
operlen=operand.length();
comment=Poco::trimRight(line.comment);
comlen=comment.length();
if ((llen+oplen+operlen)==0)
{
if (comlen > 0)
{
char c = comment[0];
if ((c == '*') || (c == '/'))
{
len+=sprintf(&buff[len+tlen],"%s", comment.c_str());
}
else
{
t = tabs[2];
if (flags&CONVERT_COMPRESS)
{
if (flags&CONVERT_TABS)
{
len += sprintf(&buff[len+tlen],"\t\t\t\t");
}
else
{
len += sprintf(&buff[len+tlen]," ");
}
}
else
{
while (len < t)
{
len += sprintf(&buff[len+tlen]," ");
}
}
len+=sprintf(&buff[len+tlen],"%s", comment.c_str());
}
}
}
else
{
t = tabs[pos++];
len += sprintf(&buff[len+tlen],"%s", lable.c_str());
if ((oplen+operlen+comlen)>0)
{
if (flags&CONVERT_COMPRESS)
{
if (flags&CONVERT_TABS)
{
len += sprintf(&buff[len+tlen],"\t\t\t");
}
else
{
len += sprintf(&buff[len+tlen]," ");
}
}
else
{
while (len < t)
{
len += sprintf(&buff[len+tlen]," ");
}
}
}
t = tabs[pos++];
len += sprintf(&buff[len+tlen],"%s", opcode.c_str());
if ((operlen+comlen)>0)
{
if (flags&CONVERT_COMPRESS)
{
if (flags&CONVERT_TABS)
{
len += sprintf(&buff[len+tlen],"\t\t\t");
}
else
{
len += sprintf(&buff[len+tlen]," ");
}
}
else
{
while (len < t)
{
len += sprintf(&buff[len+tlen]," ");
}
}
}
t = tabs[pos++];
len += sprintf(&buff[len+tlen],"%s", operand.c_str());
if ((comlen)>0)
{
if (flags&CONVERT_COMPRESS)
{
if (flags&CONVERT_TABS)
{
len += sprintf(&buff[len+tlen],"\t\t\t");
}
else
{
len += sprintf(&buff[len+tlen]," ");
}
}
else
{
while (len < t)
{
len += sprintf(&buff[len+tlen]," ");
}
}
}
len += sprintf(&buff[len+tlen],"%s", comment.c_str());
}
if (flags&CONVERT_CRLF)
{
len+=sprintf(&buff[len+tlen],"\r\n");
}
else if (flags&CONVERT_LF)
{
len+=sprintf(&buff[len+tlen],"\n");
}
else
{
len+=sprintf(&buff[len+tlen],"\r");
}
tlen+=len;
}
//printf("tlen=%d\n",tlen);
if (tlen>0)
{
int tct=0;
int idx=0;
for (i=0; i<tlen; i++)
{
char c=buff[i];
if (c==0x20)
{
if (tct<3)
{
buff[idx++]=0x20 | orval;
}
else
{
buff[idx++]=0x20;
}
tct++;
}
else if (c==0x0D)
{
buff[idx++]=0x0D | orval;
tct=0;
}
else if (c==0x0A)
{
if ((flags&(CONVERT_COMPRESS|CONVERT_HIGH))==(CONVERT_COMPRESS | CONVERT_HIGH))
{
// don't allow any LFs if converting to merlin
}
else
{
buff[idx++]=0x0A;
}
tct=0;
}
else
{
buff[idx++]=c|orval;
}
}
buff[idx]=0;
fprintf(stdout,"%s",buff);
#if 0
FILE *f=NULL;
f=fopen("./aout.s","w+");
if (f!=NULL)
{
fwrite(buff,1,idx,f);
fclose(f);
printf("file ok\n");
}
else
{
printf("file error\n");
}
#endif
}
}
void CLASS::complete(void)
{
}
#endif
#undef CLASS
#define CLASS T65816Asm
CLASS::CLASS(ConfigOptions &opt) : TFileProcessor(opt)
{
lines.clear();
psuedoops = new TPsuedoOp();
}
//#define OPHANDLER(ACB) std::bind(ACB, this, std::placeholders::_1, std::placeholders::_2)
CLASS::~CLASS()
{
if (psuedoops != NULL)
{
delete(psuedoops);
psuedoops = NULL;
}
}
void CLASS::pushopcode(std::string op, uint8_t opcode, uint16_t flags, TOpCallback cb)
{
TSymbol sym;
sym.name = op;
sym.opcode = opcode;
sym.namelc = Poco::toLower(op);
sym.stype = flags;
sym.value = 0;
sym.cb = cb;
std::pair<std::string, TSymbol> p(Poco::toUpper(op), sym);
opcodes.insert(p);
}
TSymbol * CLASS::addSymbol(std::string symname, uint32_t val, bool replace)
{
TSymbol *res = NULL;
TSymbol *fnd = NULL;
std::string sym = symname;
if (!casesen)
{
sym = Poco::toUpper(sym);
}
//printf("addSymbol: |%s|\n",sym.c_str());
if (sym.length() > 0)
{
TSymbol s;
s.name = sym;
s.opcode = 0;
s.namelc = Poco::toLower(sym);
s.stype = 0;
s.value = val;
s.used = false;
s.cb = NULL;
std::pair<std::string, TSymbol> p(sym, s);
if (sym[0] == ':')
{
//local symbol
if (currentsym == NULL)
{
goto out;
}
else
{
fnd = findSymbol(sym);
if ((fnd != NULL) && (!replace))
{
goto out;
}
if (fnd != NULL)
{
fnd->value = val;
res = fnd;
goto out;
}
if (currentsym != NULL)
{
currentsym->locals.insert(p);
}
res = findSymbol(sym);
goto out;
}
}
else
{
fnd = findSymbol(sym);
if ((fnd != NULL) && (!replace))
{
goto out;
}
if (fnd != NULL)
{
//printf("replacing symbol: %s %08X\n",sym.c_str(),val);
fnd->value = val;
res = fnd;
goto out;
}
symbols.insert(p);
res = findSymbol(sym);
}
}
out:
return (res);
}
TMacro * CLASS::findMacro(std::string symname)
{
TMacro *res = NULL;
std::string sym = symname;
if (!casesen)
{
sym = Poco::toUpper(sym);
}
if (symname.length() > 0)
{
//printf("finding: %s\n",symname.c_str());
auto itr = macros.find(sym);
if (itr != macros.end())
{
res = &itr->second;
}
}
return (res);
}
TSymbol * CLASS::findSymbol(std::string symname)
{
TSymbol *res = NULL;
std::string sym = symname;
if (!casesen)
{
sym = Poco::toUpper(sym);
}
if (symname.length() > 0)
{
if (symname[0] == ']')
{
//printf("finding symbol: |%s|\n",symname.c_str());
res = findVariable(symname, variables);
if (res!=NULL)
{
//printf("symbol found: |%s| |%s|\n",symname.c_str(),res->var_text.c_str());
TEvaluator eval(*this);
int64_t er_val=0;
uint8_t shift=0;
int er;
er = eval.evaluate(res->var_text, er_val, shift);
if (er == 0)
{
res->value=er_val;
}
}
}
else if (symname[0] == ':')
{
if (currentsym == NULL)
{
goto out;
}
else
{
auto itr = currentsym->locals.find(sym);
if (itr != currentsym->locals.end())
{
res = &itr->second;
goto out;
}
}
}
else
{
//printf("finding: %s\n",symname.c_str());
auto itr = symbols.find(sym);
if (itr != symbols.end())
{
//printf("Found: %s 0x%08X\n",itr->second.name.c_str(),itr->second.value);
res = &itr->second;
goto out;
}
}
}
out:
return (res);
}
TSymbol * CLASS::addVariable(std::string symname, std::string val, TVariable &vars, bool replace)
{
TSymbol *res = NULL;
TSymbol *fnd = NULL;
std::string sym = symname;
if (!casesen)
{
sym = Poco::toUpper(sym);
}
//printf("addvariable\n");
fnd = findVariable(sym, vars);
if ((fnd != NULL) && (!replace))
{
return (NULL); // it is a duplicate
}
if (fnd != NULL)
{
//printf("replacing symbol: %s %s\n",sym.c_str(),val.c_str());
fnd->var_text = val;
return (fnd);
}
TSymbol s;
s.name = sym;
s.opcode = 0;
s.namelc = Poco::toLower(sym);
s.stype = 0;
s.value = 0;
s.var_text = val;
s.used = false;
s.cb = NULL;
//printf("addvariable: %s %s\n", s.name.c_str(), s.var_text.c_str());
std::pair<std::string, TSymbol> p(sym, s);
vars.vars.insert(p);
res = findVariable(sym, vars);
return (res);
}
TSymbol * CLASS::findVariable(std::string symname, TVariable &vars)
{
TSymbol *res = NULL;
if (!casesen)
{
symname = Poco::toUpper(symname);
}
if ((expand_macrostack.size() > 0) && (vars.id != expand_macro.variables.id))
{
res = findVariable(symname, expand_macro.variables);
if (res != NULL)
{
return (res);
}
}
//printf("finding: %s\n",symname.c_str());
auto itr = vars.vars.find(symname);
if (itr != vars.vars.end())
{
//printf("Found: %s 0x%08X\n",itr->second.name.c_str(),itr->second.value);
res = &itr->second;
return (res);
}
return (res);
}
void CLASS::showVariables(TVariable &vars)
{
if (vars.vars.size() > 0)
{
printf("\nVariables:\n");
for (auto itr = vars.vars.begin(); itr != vars.vars.end(); ++itr)
{
printf("%-16s %s\n", itr->first.c_str(), itr->second.var_text.c_str());
}
printf("\n");
}
}
// set alpha to true to print table sorted by name or
// false to print by value;
void CLASS::showSymbolTable(bool alpha)
{
if (symbols.size() > 0)
{
std::map<std::string, uint32_t> alphamap;
std::map<uint32_t, std::string> nummap;
int columns = getInt("asm.symcolumns", 3);
int column = columns;
for (auto itr = symbols.begin(); itr != symbols.end(); itr++)
{
TSymbol ptr = itr->second;
alphamap.insert(pair<std::string, uint32_t>(ptr.name, ptr.value));
nummap.insert(pair<uint32_t, std::string>(ptr.value, ptr.name));
}
if (alpha)
{
printf("\n\nSymbol table sorted alphabetically:\n\n");
for (auto itr = alphamap.begin(); itr != alphamap.end(); ++itr)
{
printf("%-16s 0x%08X ", itr->first.c_str(), itr->second);
if ( !--column )
{
printf("\n");
column = columns;
}
}
}
else
{
printf("\n\nSymbol table sorted numerically:\n\n");
for (auto itr = nummap.begin(); itr != nummap.end(); ++itr)
{
printf("0x%08X %-16s ", itr->first, itr->second.c_str());
if ( !--column )
{
printf("\n");
column = columns;
}
}
}
if (column > 0)
{
printf("\n");
}
}
}
// set alpha to true to print table sorted by name or
// false to print by value;
void CLASS::showMacros(bool alpha)
{
if (macros.size() > 0)
{
std::map<std::string, uint32_t> alphamap;
int columns = getInt("asm.symcolumns", 3);
int column = columns;
for (auto itr = macros.begin(); itr != macros.end(); itr++)
{
TMacro ptr = itr->second;
alphamap.insert(pair<std::string, uint32_t>(ptr.name, 0));
}
if (alpha)
{
printf("\n\nmacros sorted alphabetically:\n\n");
for (auto itr = alphamap.begin(); itr != alphamap.end(); ++itr)
{
printf("%-16s 0x%08X ", itr->first.c_str(), itr->second);
if ( !--column )
{
printf("\n");
column = columns;
}
}
}
if (column > 0)
{
printf("\n");
}
}
}
int CLASS::callOpCode(std::string op, MerlinLine &line)
{
int res = -1;
char c;
std::string s;
// 'op' is always lowercase here
// during MACRO definition no opcodes are called (except for MAC, EOM, <<)
if (macrostack.size() > 0)
{
// if something on the macro stack, then a macro is being defined
if (!((op == "mac") || (op == "eom") || (op == "<<<")))
{
return 0;
}
}
if (op.length() == 4) // check for 4 digit 'L' opcodes
{
c = op[3] & 0x7F;
if ((c >= 'a') && (c <= 'z'))
{
c = c - 0x20;
}
switch (c)
{
case 'L':
op = op.substr(0, 3);
line.flags |= FLAG_FORCELONG; // 3 byte address
break;
default: // any char but 'L' as in Merlin 16+
s = Poco::toUpper(op);
if ((s == "ELSE") || (s == "DEND"))
{
break;
}
if (c != 'D')
{
op = op.substr(0, 3);
line.flags |= FLAG_FORCEABS; // 2 byte address
}
break;
case 'Z':
op = op.substr(0, 3);
line.flags |= FLAG_FORCEDP; // one byte address
break;
}
}
if (line.addressmode == syn_imm) //page 83 merlin16 manual
{
//printf("immediate mode\n");
switch (line.shiftchar)
{
case '<':
//line.expr_value &= 0xFF;
break;
case '>':
//line.expr_value >>= 8;
//line.expr_value &= 0xFFFF;
break;
case '^':
//line.expr_value = (line.expr_value >> 16);
//line.expr_value = (line.expr_value >> 16) & 0xFFFF;
break;
case '|': // should never get here, handled in getAddrMode
//if (syntax == SYNTAX_MERLIN)
if (options.isMerlin())
{
line.setError(errBadOperand);
line.expr_value = 0;
}
//line.shiftchar=0;
break;
}
}
else
{
switch (line.shiftchar) // page 84 Merlin16 manual
{
case '<':
if (options.isMerlin32())
{
line.flags |= FLAG_DP;
line.expr_value &= 0xFF;
}
break;
case '>':
if (options.isMerlin32())
{
// bug in M32 or not, do what it does
//line.flags |= FLAG_FORCEABS;
line.flags |= FLAG_FORCELONG;
}
else
{
// Merlin16+ uses this to force long addressing
// need to check Merlin16
if (!options.isMerlin()) // not merlin8
{
line.flags |= FLAG_FORCELONG;
}
}
break;
case '|':
if ((!options.isMerlin32()) && (options.isMerlinCompat()))
{
line.flags |= FLAG_FORCEABS;
//line.shiftchar=0;
}
break;
case '^':
if (options.isMerlin32())
{
line.flags |= FLAG_DP;
line.expr_value >>= 16;
}
break;
}
}
if (line.expr_value >= 0x100)
{
line.flags |= FLAG_FORCEABS;
}
auto itr = opcodes.find(Poco::toUpper(op));
if (itr != opcodes.end())
{
TSymbol s = itr->second;
if (s.cb != NULL)
{
res = s.cb(line, s);
if (res == -1)
{
res = -2;
}
}
}
else
{
line.setError(errBadOpcode);
}
return (res);
}
typedef struct
{
std::string regEx;
uint16_t addrMode;
std::string text;
//std::string expression;
} TaddrMode;
// these are the regular expressions that determine the addressing mode
// and extract the 'expr' part of the addr-mode
const TaddrMode addrRegEx[] =
{
{ "^(?'expr'.+)\\,[s,S]{1}$", syn_s, "e,s"}, // expr,s
{"^[(]{1}(?'expr'.+)[,]{1}[(S|s)]{1}[)]{1}[,]{1}[(Y|y)]{1}$", syn_sy, "(e,s),y"}, // (expr,s),y
{"^#{1}(.+)$", syn_imm, "immediate"}, //#expr,#^expr,#|expr,#<expr,#>expr
{"^[(]{1}(?'expr'.+)[,]{1}[x,X]{1}\\)$", syn_diix, "(dp,x)"}, // (expr,x)
{"^[(]{1}(?'expr'.+)[\\)]{1}[\\,][(Y|y]{1}$", syn_diiy, "(dp),y"}, //(expr),y
{"^[(]{1}(?'expr'.+)[\\)]{1}$", syn_di, "(dp)"}, // (expr)
{"^\\[{1}(?'expr'.+)\\]{1}[,]{1}[(Y|y)]{1}$", syn_iyl, "[laddr],y"}, // [expr],y
{"^\\[(?'expr'.+)\\]$", syn_dil, "[e]"}, // [expr]
{"^(?'expr'.+)[,]{1}[(X|x)]{1}$", syn_absx, "addr,x"}, // expr,x
{"^(?'expr'.+)[,]{1}[(Y|y)]{1}$", syn_absy, "addr,y"}, // expr,y
{"^(?'expr'.+)[,]{1}(?'expr2'.+)$", syn_bm, "block"}, // block move expr,expr1
{"^(?'expr'.+)$", syn_abs, "absolute"}, // expr (MUST BE LAST)
{"", 0, ""}
};
// one or more of any character except ][,();
//const std::string valExpression = "^([^\\]\\[,();]+)$";
const std::string valExpression = "^([^\\[,();]+)$";
// this one looks for ]variables
const std::string varExpression = "([]]{1}[:0-9A-Z_a-z]{1}[0-9A-Z_a-z]*)";
const std::string macExpression = "([]]{1}[:0-9]{1}[0-9]*)";
// opcode check. emitted opcodes are compared against this
// table, and if the XC status doesn't meet the requirements
// an error is thrown
// 0x00 = 6502
// 0x01 = 65C02
// 0x02 = 65816
uint8_t opCodeCompatibility[256] =
{
0x00, 0x00, 0x02, 0x02, 0x01, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x01, 0x00, 0x00, 0x02,
0x00, 0x00, 0x01, 0x02, 0x01, 0x00, 0x00, 0x02, 0x00, 0x00, 0x01, 0x02, 0x01, 0x00, 0x00, 0x02,
0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x01, 0x02, 0x01, 0x00, 0x00, 0x02, 0x00, 0x00, 0x01, 0x02, 0x01, 0x00, 0x00, 0x02,
0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x01, 0x02, 0x02, 0x00, 0x00, 0x02, 0x00, 0x00, 0x01, 0x02, 0x02, 0x00, 0x00, 0x02,
0x00, 0x00, 0x02, 0x02, 0x01, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x01, 0x02, 0x01, 0x00, 0x00, 0x02, 0x00, 0x00, 0x01, 0x02, 0x01, 0x00, 0x00, 0x02,
0x01, 0x00, 0x02, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x01, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x01, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x01, 0x00, 0x01, 0x02,
0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x01, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x01, 0x02, 0x02, 0x00, 0x00, 0x02, 0x00, 0x00, 0x01, 0x02, 0x02, 0x00, 0x00, 0x02,
0x00, 0x00, 0x02, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x01, 0x02, 0x02, 0x00, 0x00, 0x02, 0x00, 0x00, 0x01, 0x02, 0x02, 0x00, 0x00, 0x02
};
void CLASS::init(void)
{
uint8_t b = opCodeCompatibility[0];
if (b)
{
}
TFileProcessor::init();
lines.clear();
insertOpcodes();
}
void CLASS::initpass(void)
{
std::string s;
casesen = getBool("asm.casesen", true);
listing = getBool("asm.lst", true);
showmx = getBool("asm.showmx", true);
merlinerrors = getBool("asm.merlinerrors", true);
outputbytes.clear();
trackrep = getBool("asm.trackrep", false);
if (options.isMerlin32())
{
trackrep = true; // can't turn this off in M32
}
else if (options.isMerlin())
{
trackrep = false; // can't turn this ON in M16
}
else if (options.isNative())
{
// we will allow this to be settable default off
trackrep = false;
trackrep = getBool("asm.trackrep", trackrep);
}
//merlincompat = getBool("asm.merlincompatible", true);
allowdup = getBool("asm.allowduplicate", true);
skiplist = false;
PC.origin = 0x8000;
PC.currentpc = PC.origin;
PC.totalbytes = 0;
PC.orgsave = PC.origin;
s = getConfig("asm.cpu", "M6502");
s = Poco::trim(Poco::toUpper(s));
s=PAL::getString("option.instruction","");
if (s!="")
{
//printf("CPU command line %s\n",s.c_str());
cpumode = MODE_65816;
mx = 0x03;
if (s == "M65816")
{
cpumode = MODE_65816;
mx = 0x03;
}
else if (s == "M65C02")
{
cpumode = MODE_65C02;
mx = 0x03;
}
else if (s == "M6502")
{
cpumode = MODE_6502;
mx = 0x03;
}
else
{
printf("Unknown CPU type in .ini\n");
mx = 0x03;
}
}
mx = getInt("asm.startmx", mx);;
savepath = getConfig("option.objfile", "");
//printf("savepath: %s\n",savepath.c_str());
lastcarry = false;
relocatable = false;
currentsym = NULL;
if (options.isMerlin32())
{
// M32 allows locals that don't have a global above. this is the catchall for that
currentsym = &topSymbol; // this is the default symbol for :locals without a global above;
}
currentsymstr = "";
lineno = 0;
errorct = 0;
passcomplete = false;
dumstartaddr = 0;
dumstart = 0;
truncdata = 0;
variables.vars.clear(); // clear the variables for each pass
while (!macrostack.empty())
{
macrostack.pop();
}
while (!expand_macrostack.empty())
{
expand_macrostack.pop();
}
while (!LUPstack.empty())
{
LUPstack.pop();
}
while (!DOstack.empty())
{
DOstack.pop();
}
while (!LSTstack.empty())
{
LSTstack.pop();
}
while (!PCstack.empty())
{
PCstack.pop();
}
currentmacro.clear();
expand_macro.clear();
curLUP.clear();
curDO.clear();
}
void CLASS::complete(void)
{
bool writeerr=false;
if (savepath != "")
{
if (errorct == 0)
{
std::string currentdir = Poco::Path::current();
//savepath = processFilename(savepath, currentdir, 0);
savepath=options.formatPath(savepath);
if (!options.isQuiet())
{
printf("saving to file: %s\n", savepath.c_str());
}
//std::ofstream f(savepath, std::ios::out|std::ios::trunc);
std::ofstream f(savepath, std::ios::out);
if (f.is_open())
{
for (unsigned int i=0; i<outputbytes.size(); i++)
{
f.put(outputbytes[i]);
}
f.flush();
//printf("outbytect=%ld\n",outputbytes.size());
if (f.fail())
{
writeerr=true;
}
f.close();
}
else
{
writeerr=true;
}
}
else
{
printf("\nErrors in assembly. Output not SAVED.\n\n");
}
if (writeerr)
{
printf("unable to save file.\n"); // TODO SGQ need to push error up the so exit code is non-zero
}
}
if ((!options.isQuiet()) || (options.isList()))
{
printf("\n\nEnd qASM assembly, %d bytes, %u errors, %lu lines, %lu symbols.\n", PC.totalbytes, errorct, lines.size(), symbols.size());
}
TFileProcessor::complete();
if ((errorct==0) && (listing) && (!options.isQuiet()))
{
showSymbolTable(true);
showSymbolTable(false);
showVariables(variables);
showMacros(true);
}
}
int CLASS::evaluate(MerlinLine &line, std::string expr, int64_t &value)
{
int res = -1;
int64_t result = 0;
if (expr.length() > 0)
{
TEvaluator eval(*this);
line.eval_result = 0;
res = eval.evaluate(expr, result, line.expr_shift);
if (res != 0)
{
if (isDebug() > 2)
{
int c;
if (options.useColor())
{
c = SetColor(CL_RED);
}
uint32_t rr = result & 0xFFFFFFFF;
printf("eval Error=%d %08X |%s|\n", res, rr, eval.badsymbol.c_str());
if (options.useColor())
{
SetColor(c);
}
}
}
if (res == 0)
{
uint64_t v1 = (uint64_t) result;
value = result;
if ((listing) && (pass > 0) && (isDebug() > 2))
{
uint32_t rr = v1 & 0xFFFFFFFF;
printf("EV1=%08X '%c'\n", rr, line.expr_shift);
}
if (v1 >= 0x10000)
{
line.flags |= FLAG_BIGNUM;
}
if (v1 < 0x100)
{
line.flags |= FLAG_DP;
}
}
}
else
{
value = 0;
res = 0;
}
if (isDebug() >= 3)
{
uint32_t rr = value & 0xFFFFFFFF;
printf("Eval Result: %08X (status=%d)\n", rr, res);
}
return (res);
}
int CLASS::getAddrMode(MerlinLine & line)
{
int res = -1;
uint16_t mode = syn_none;
int idx, x;
std::string s, oper;
std::vector<std::string> groups;
char shiftchar;
oper = line.operand;
int l=oper.length();
int ol=line.opcode.length();
if ((ol == 0) || (l <= 0))
{
if (ol>0)
{
return (syn_implied);
}
else
{
return(syn_none);
}
}
bool supportbar=false;
bool modified=false;
shiftchar=oper[0];
if (shiftchar=='#')
{
shiftchar=0;
if (l>1)
{
shiftchar=oper[1];
//oper=oper.substr(1);
//oper="#"+oper;
}
}
if (shiftchar=='^')
{
if (options.isMerlin())
{
return(syn_err);
//shiftchar=0x00; // merlin8 does not support the bank addr
}
}
if (shiftchar=='|')
{
if (options.isMerlinCompat())
{
if ((options.isMerlin() || options.isMerlin16())) // merlin8 and merlin16 do not support the bar
{
return(syn_err);
}
else
{
supportbar=true;
}
}
}
if ((shiftchar=='^') || (shiftchar=='<') || (shiftchar=='>') || (supportbar && (shiftchar=='|')))
{
modified=true;
}
if (modified)
{
line.shiftchar=shiftchar;
if (oper[0]=='#')
{
oper=oper.substr(2);
oper="#"+oper;
l=oper.length();
}
else if (shiftchar!=0)
{
oper=oper.substr(1);
l=oper.length();
}
if (isDebug()>1)
{
printf("old: |%s| new: |%s|\n",line.operand.c_str(),oper.c_str());
}
line.strippedoperand=oper;
}
if (supportbar && shiftchar=='|')
{
//if ((options.isMerlin32()) || (options.isNative()))
if (options.isMerlin32())
{
// regular Merlin16/16+ seems to accept this character, but does NOT force long (bank) addressing
line.flags|=FLAG_FORCELONG;
}
//shiftchar=0; // don't process this as a shift because we only needed to set a flag to force long addressing
}
idx = 0;
RegularExpression valEx(valExpression, 0, true);
while (mode == syn_none)
{
s = addrRegEx[idx].regEx;
if (s == "")
{
mode = syn_err; // no more RegX left (nothing matched)
}
else
{
RegularExpression regex(s, 0, true);
groups.clear();
x = 0;
try
{
//printf("oper: |%s|\n",oper.c_str());
x = regex.split(oper, 0, groups, 0);
}
catch (...)
{
x = 0;
}
if (x > 0)
{
mode = addrRegEx[idx].addrMode;
line.addrtext = addrRegEx[idx].text;
//cout << "mode: " << line.addrtext << endl;
int ct = 0;
for (uint32_t i = 0; i < groups.size(); i++)
{
s = groups[i];
//printf("ct=%zu idx=%d group: |%s|\n", groups.size(), i, s.c_str());
if (s != "")
{
//if ((s != "^") && (s != "<") && (s != ">") && (s != "|"))
{
bool v = true;
if (mode == syn_abs)
{
if (i > 0)
{
v = valEx.match(s, 0, 0);
if (v)
{
if (pass == 0)
{
// can only check on pass 0, because if the A"
// symbol is defined later, we will generate different
// bytes on the next pass
if (options.isMerlin32())
//if ((line.syntax & SYNTAX_MERLIN32) == SYNTAX_MERLIN32)
{
if (Poco::toUpper(oper) == "A") // check the whole operand, not just the expression
{
TSymbol *sym = findSymbol("A");
if (sym == NULL)
{
line.flags |= FLAG_FORCEIMPLIED;
mode = syn_implied; // if the label hasn't been defined yet, assume Immediate addressing
goto out;
}
}
}
}
else if (line.flags & FLAG_FORCEIMPLIED)
{
mode = syn_implied;
goto out;
}
}
}
}
if (!v)
{
//printf("invalid expression |%s|\n", s.c_str());
mode = syn_none;
}
else if (ct == 1)
{
line.operand_expr = s;
}
else if (ct == 2)
{
line.operand_expr2 = s;
}
ct++;
//printf("line expression=|%s|\n", s.c_str());
}
//else
{
// SGQ need to set a flag for a shift and process it after eval
}
}
}
}
}
idx++;
}
out:
if (mode == syn_none)
{
mode = syn_err;
}
res = mode;
//printf("syn_mode=%d\n", mode);
return (res);
}
int CLASS::parseOperand(MerlinLine & line)
{
int res = -1;
line.operand_expr = "";
int m = getAddrMode(line);
if (m >= 0)
{
res = m;
}
else
{
//errorOut(errBadAddressMode);
}
if (isDebug()>1)
{
printf("addressmode=%d %s\n",res,options.addrModeEnglish(res).c_str());
}
return (res);
}
int CLASS::substituteVariables(MerlinLine & line, std::string &outop)
{
int res = 0;
int x,x1;
std::string::size_type offset, slen;
std::string oper = line.operand;
std::string s;
std::string operin;
TSymbol *sym;
uint32_t len, off, ct;
bool done = false;
operin = oper;
ct = 0;
bool mac_var;
restart:
while (!done)
{
mac_var=false;
slen = oper.length();
if (slen > 0)
{
std::vector<std::string> groups;
offset = 0;
RegularExpression varEx(varExpression, 0, true);
Poco::RegularExpression::MatchVec mVec;
//printf("|%s|%s|\n", varExpression.c_str(), oper.c_str());
groups.clear();
while (offset < slen)
{
try
{
varEx.match(oper, offset, mVec, 0);
}
catch (...)
{
offset = slen;
}
x = (int)mVec.size();
if (x > 0)
{
res = 0;
off = (uint32_t)mVec[0].offset;
len = (uint32_t)mVec[0].length;
s = oper.substr(off, len);
slen = s.length();
sym = NULL;
if (expand_macrostack.size() > 0)
{
mac_var=true;
sym = findVariable(s, expand_macro.variables);
if (sym!=NULL)
{
RegularExpression varEx1(macExpression, 0, true);
Poco::RegularExpression::MatchVec mVec1;
try
{
varEx1.match(oper, 0, mVec1, 0);
x1 = (int)mVec1.size();
if (x1>0)
{
mac_var=true;
//printf("Found MACvar: |%s| |%s|\n",sym->name.c_str(),sym->var_text.c_str());
}
}
catch(...)
{
}
}
}
else
{
//mac_var=true;
}
if (sym == NULL)
{
sym = findVariable(s, variables);
}
if ((expand_macrostack.size() == 0) && (!mac_var))
{
//mac_var=true;
}
if ((sym != NULL) && (mac_var))
{
//printf("match |%s|\n",sym->var_text.c_str());
if (sym->var_text != "")
{
oper = oper.replace(off, len, sym->var_text);
slen = oper.length();
ct++;
if (pass > 0)
{
//printf("%d |%s|\n", ct, s.c_str());
}
goto restart;
}
}
else
{
done = true;
}
offset += len;
}
else
{
offset = slen;
done = true;
}
}
}
else
{
done = true;
}
}
//printf("inoper=|%s| outoper=|%s|\n",operin.c_str(),oper.c_str());
if (ct > 0)
{
outop = oper;
res = ct;
}
return (res);
}
bool CLASS::doOFF(void)
{
bool res = curDO.doskip;
std::stack<TDOstruct> tmpstack;
TDOstruct doitem;
uint32_t ct = (uint32_t)DOstack.size();
if (ct > 0)
{
tmpstack = DOstack;
}
while (ct > 0)
{
doitem = tmpstack.top();
tmpstack.pop();
if (doitem.doskip)
{
res = true;
}
ct--;
}
//printf("DOOFF: %d\n",res);
return (res);
}
// this function determines if code generation is turned off (IF,DO,LUP,MAC, etc
bool CLASS::codeSkipped(void)
{
bool res = false;
res = (curLUP.lupskip) ? true : res;
res = doOFF() ? true : res;
res = currentmacro.running ? true : res;
//printf("codeskip: %d\n",res);
return (res);
}
void CLASS::process(void)
{
#if 0
uint32_t ct = lines.size();
for (uint32_t lineno = 0; lineno < ct; lineno++)
{
//MerlinLine &line = lines.at(lineno);
//printf("|%s| |%s| |%s| |%s|\n", line.lable.c_str()
// , line.opcode.c_str(), line.operand.c_str(), line.comment.c_str());
}
#else
uint32_t l;
int x;;
char c;
char buff[256];
MerlinLine errLine(options);
std::string op, realop, operand, ls;
pass = 0;
while (pass < 2)
{
initpass();
l = (uint32_t)lines.size();
bool passdone = false;
while ((!passdone) && (!passcomplete))
{
MerlinLine *ml = NULL;
bool srcline = true;
if (expand_macro.running)
{
srcline = false;
if (expand_macro.currentline >= expand_macro.len)
{
// macro is complete
lineno = expand_macro.sourceline + 1;
if (expand_macrostack.size() > 0)
{
expand_macro = expand_macrostack.top();
expand_macrostack.pop();
}
else
{
expand_macro.clear();
}
srcline = true;
}
else
{
ml = &expand_macro.lines[expand_macro.currentline];
lineno = expand_macro.sourceline;
expand_macro.currentline++;
}
}
if (srcline)
{
if (lineno >= l)
{
passdone = true;
goto passout;
}
else
{
ml = &lines[lineno];
}
}
MerlinLine &line = *ml;
//printf("lineno=%u %s\n", lineno, line.wholetext.c_str());
line.eval_result = 0;
line.lineno = lineno + 1;
line.truncdata = truncdata;
memcpy(line.tabs, tabs, sizeof(tabs));
//printf("lineno: %d %d |%s|\n",lineno,l,line.operand.c_str());
op = Poco::toLower(line.opcode);
realop = line.opcode;
operand = Poco::toLower(line.operand);
line.startpc = PC.currentpc;
line.linemx = mx;
line.bytect = 0;
line.showmx = showmx;
//line.syntax = syntax;
line.merlinerrors = merlinerrors;
if ((line.lable != "") && (op != "mac"))
{
std::string lable = Poco::trim(line.lable);
TSymbol *sym = NULL;
bool dupsym = false;
c = line.lable[0];
switch (c)
{
case ']':
sprintf(buff, "$%X", PC.currentpc);
ls = buff;
sym = addVariable(line.lable, ls, variables, true);
//if (sym == NULL) { dupsym = true; }
break;
case ':':
default:
if (pass == 0)
{
sym = addSymbol(line.lable, PC.currentpc, false);
if (sym == NULL)
{
dupsym = true;
line.setError(errDupSymbol);
}
}
if (c != ':')
{
currentsym = findSymbol(line.lable);
currentsymstr = line.lable;
}
break;
}
if (dupsym)
{
line.setError(errDupSymbol);
}
}
std::string outop;
line.printoperand = line.operand;
//printf("\nprintoperand: |%s|\n",line.printoperand.c_str());
//printf("\noperand: |%s|\n",operand.c_str());
x = 0;
if (macrostack.size() == 0)
{
x = substituteVariables(line, outop);
}
if (x > 0)
{
line.printoperand = outop;
line.operand = outop;
}
x = parseOperand(line);
//if (x >= 0)
//{
line.addressmode = x;
//}
int64_t value = -1;
x = evaluate(line, line.operand_expr, value);
line.eval_result = x;
if (x == 0)
{
value &= 0xFFFFFFFF;
line.expr_value = (uint32_t)value;
}
else
{
line.expr_value = 0;
}
x = 0;
if (op.length() > 0)
{
bool skipop = false;
if (doOFF())
{
skipop = true;
if ((op == "fin") || (op == "else") || (op == "do") || (op == "if"))
{
skipop = false;
}
}
if (!skipop)
{
TMacro *mac = NULL;
bool inoperand = false;
if (macrostack.size() == 0)
{
mac = findMacro(realop);
if (mac == NULL)
{
if (op == ">>>") // specal merlin way of calling a macro
{
Poco::StringTokenizer tok(operand, ", ", Poco::StringTokenizer::TOK_TRIM |
Poco::StringTokenizer::TOK_IGNORE_EMPTY);
std::string s = "";
if (tok.count() > 0)
{
s = tok[0];
}
mac = findMacro(s);
inoperand = true;
}
}
}
if (mac == NULL)
{
x = callOpCode(op, line);
}
if (mac != NULL)
{
expand_macrostack.push(expand_macro);
expand_macro = *mac;
expand_macro.lines.clear();
//printf("mac start=%u end=%u\n", expand_macro.start, expand_macro.end);
for (uint32_t lc = expand_macro.start; lc < expand_macro.end; lc++)
{
//printf("pushing %s\n", lines[lc].wholetext.c_str());
MerlinLine nl(lines[lc].wholetext,options); // create a new clean line (without errors,data)
expand_macro.lines.push_back(nl);
}
expand_macro.running = true;
expand_macro.sourceline = lineno;
expand_macro.variables.vars.clear();
// set the variables for the macro here SGQ
std::string parms = line.operand;
if (inoperand)
{
Poco::StringTokenizer tok(parms, ", ", Poco::StringTokenizer::TOK_TRIM |
Poco::StringTokenizer::TOK_IGNORE_EMPTY);
parms = "";
if (tok.count() > 1)
{
parms = tok[1];
}
}
Poco::StringTokenizer tok(parms, ",;", Poco::StringTokenizer::TOK_TRIM |
Poco::StringTokenizer::TOK_IGNORE_EMPTY);
uint32_t ct = 0;
for (auto itr = tok.begin(); itr != tok.end(); ++itr)
{
//evaluate each of these strings, check for errors on pass 2
std::string expr = *itr;
std::string v = "]" + Poco::NumberFormatter::format(ct + 1);
//printf("var: %s %s\n", v.c_str(), expr.c_str());
addVariable(v, expr, expand_macro.variables, true);
ct++;
}
x = 0;
expand_macro.currentline = 0;
}
}
}
if ((x > 0) && (codeSkipped())) // has a psuedo-op turned off code generation? (LUP, IF, etc)
{
x = 0;
line.outbytect = 0;
}
if (x > 0)
{
if (!PCstack.empty()) // are we inside a DUM section?
{
line.flags |= FLAG_INDUM;
}
if ((line.eval_result != 0) && (pass > 0))
{
line.setError(errBadOperand);
line.errorText = line.operand_expr;
}
line.bytect = x;
if (pass>0)
{
if ((line.flags & FLAG_INDUM) == 0) // don't write bytes if inside DUM section
{
for (unsigned int i=0; i<line.outbytes.size(); i++)
{
outputbytes.push_back(line.outbytes[i]);
}
if (line.datafillct>0)
{
for (int i=0; i<line.datafillct; i++)
{
outputbytes.push_back(line.datafillbyte);
}
}
}
}
PC.currentpc += x;
PC.totalbytes += x;
}
if (pass == 0)
{
line.pass0bytect = line.bytect;
}
if (dumstart > 0) // starting a dummy section
{
PCstack.push(PC);
PC.origin = dumstartaddr;
PC.currentpc = PC.origin;
dumstart = 0;
dumstartaddr = 0;
}
if (dumstart < 0)
{
PC = PCstack.top();
PCstack.pop();
dumstart = 0;
dumstartaddr = 0;
}
if (pass == 1)
{
if ((line.pass0bytect != line.bytect) && (line.errorcode == 0))
{
if (expand_macrostack.size() == 0) // if macro expanding, you can't make this check
{
line.setError(errBadByteCount);
}
}
if (line.errorcode != 0)
{
errorct++;
}
if (((!skiplist) && (listing) && (pass == 1)) || (line.errorcode != 0) || (options.isList()))
{
line.print(lineno);
}
skiplist = false;
line.outbytes.clear(); // clear the outbytes on the line so LUP works correctly
line.outbytect=0;
}
lineno++;
}
passout:
// end of file reached here, do some final checks
#if 0
if (LUPstack.size() > 0)
{
errLine.clear();
errLine.setError(errUnexpectedEOF);
errLine.print(lineno);
pass = 2;
}
#endif
pass++;
}
#endif
}
int CLASS::doline(int lineno, std::string line)
{
int res = 0;
int x;
std::string op;
UNUSED(lineno);
MerlinLine l(line,options);
op = Poco::toLower(l.opcode);
lines.push_back(l);
if ((op == "use") || (op == "put"))
{
std::string fn;
x = processfile(l.operand, fn);
//printf("processfile : %d\n",x);
if (x < 0)
{
switch (x)
{
case -9:
l.setError(errDuplicateFile);
break;
case -3:
l.setError(errFileNotFound);
break;
case -2:
l.setError(errFileNoAccess);
break;
default:
l.setError(errFileNotFound);
break;
}
l.operand = fn;
l.print(0);
errorct++;
res = -1;
}
}
return (res);
}
#undef CLASS
#define CLASS T65816Link
CLASS::CLASS(ConfigOptions &opt) : TFileProcessor(opt)
{
}
CLASS::~CLASS()
{
}
void CLASS::init(void)
{
TFileProcessor::init();
}
void CLASS::process(void)
{
}
void CLASS::complete(void)
{
}
int CLASS::doline(int lineno, std::string line)
{
UNUSED(lineno);
UNUSED(line);
int res = 0;
return (res);
}
#undef CLASS