TOKEN * etok; // Ptr past last token in tokbuf[]
TOKEN tokeol[1] = {EOL}; // Bailout end-of-line token
char * string[TOKBUFSIZE*2]; // Token buffer string pointer storage
+int optimizeOff; // Optimization override flag
// File record, used to maintain a list of every include file ever visited
#define FILEREC struct _filerec
FILEREC * filerec;
FILEREC * last_fr;
-INOBJ * cur_inobj; // Ptr current input obj (IFILE/IMACRO)
-static INOBJ * f_inobj; // Ptr list of free INOBJs
-static IFILE * f_ifile; // Ptr list of free IFILEs
-static IMACRO * f_imacro; // Ptr list of free IMACROs
+INOBJ * cur_inobj; // Ptr current input obj (IFILE/IMACRO)
+static INOBJ * f_inobj; // Ptr list of free INOBJs
+static IFILE * f_ifile; // Ptr list of free IFILEs
+static IMACRO * f_imacro; // Ptr list of free IMACROs
-static TOKEN tokbuf[TOKBUFSIZE]; // Token buffer (stack-like, all files)
+static TOKEN tokbuf[TOKBUFSIZE]; // Token buffer (stack-like, all files)
uint8_t chrtab[0x100] = {
ILLEG, ILLEG, ILLEG, ILLEG, // NUL SOH STX ETX
inobj->inobj.ifile = ifile;
break;
+
case SRC_IMACRO: // Alloc and init an IMACRO
if (f_imacro == NULL)
imacro = malloc(sizeof(IMACRO));
inobj->inobj.imacro = imacro;
break;
+
case SRC_IREPT: // Alloc and init an IREPT
inobj->inobj.irept = malloc(sizeof(IREPT));
DEBUG { printf("alloc IREPT\n"); }
// macro invocation) then it is ignored.
i = (int)arg->svalue;
arg_num:
- DEBUG { printf("~argnumber=%d (argBase=%u)\n", i, imacro->argBase); }
+ DEBUG { printf("~argnumber=%d\n", i); }
tk = NULL;
if (i < imacro->im_nargs)
{
-#if 0
-// tk = argp[i];
-// tk = argPtrs[i];
- tk = argPtrs[imacro->argBase + i];
-#else
tk = imacro->argument[i].token;
symbolString = imacro->argument[i].string;
//DEBUG
//{
// printf("ExM: Preparing to parse argument #%u...\n", i);
-// dumptok(tk);
+// DumpTokens(tk);
//}
-#endif
}
// \?arg yields:
{
IMACRO * imacro = cur_inobj->inobj.imacro;
// LONG * strp = imacro->im_nextln;
- struct LineList * strp = imacro->im_nextln;
+ LLIST * strp = imacro->im_nextln;
if (strp == NULL) // End-of-macro
return NULL;
char * GetNextRepeatLine(void)
{
IREPT * irept = cur_inobj->inobj.irept;
- LONG * strp = irept->ir_nextln; // initial null
+// LONG * strp = irept->ir_nextln; // initial null
// Do repeat at end of .rept block's string list
- if (strp == NULL)
+// if (strp == NULL)
+ if (irept->ir_nextln == NULL)
{
DEBUG { printf("back-to-top-of-repeat-block count=%d\n", (int)irept->ir_count); }
irept->ir_nextln = irept->ir_firstln; // copy first line
return NULL;
}
- strp = irept->ir_nextln;
+// strp = irept->ir_nextln;
}
- strcpy(irbuf, (char *)(irept->ir_nextln + 1));
- DEBUG printf("repeat line='%s'\n", irbuf);
- irept->ir_nextln = (LONG *)*strp;
+// strcpy(irbuf, (char *)(irept->ir_nextln + 1));
+ strcpy(irbuf, irept->ir_nextln->line);
+ DEBUG { printf("repeat line='%s'\n", irbuf); }
+// irept->ir_nextln = (LONG *)*strp;
+ irept->ir_nextln = irept->ir_nextln->next;
return irbuf;
}
INOBJ * inobj = a_inobj(SRC_IFILE);
IFILE * ifile = inobj->inobj.ifile;
- ifile->ifhandle = handle; // Setup file handle
- ifile->ifind = ifile->ifcnt = 0; // Setup buffer indices
- ifile->ifoldlineno = curlineno; // Save old line number
- ifile->ifoldfname = curfname; // Save old filename
- ifile->ifno = cfileno; // Save old file number
+ ifile->ifhandle = handle; // Setup file handle
+ ifile->ifind = ifile->ifcnt = 0; // Setup buffer indices
+ ifile->ifoldlineno = curlineno; // Save old line number
+ ifile->ifoldfname = curfname; // Save old filename
+ ifile->ifno = cfileno; // Save old file number
// NB: This *must* be preincrement, we're adding one to the filecount here!
- cfileno = ++filecount; // Compute NEW file number
- curfname = strdup(fname); // Set current filename (alloc storage)
- curlineno = 0; // Start on line zero
+ cfileno = ++filecount; // Compute NEW file number
+ curfname = strdup(fname); // Set current filename (alloc storage)
+ curlineno = 0; // Start on line zero
// Add another file to the file-record
FILEREC * fr = (FILEREC *)malloc(sizeof(FILEREC));
fr->frec_name = curfname;
if (last_fr == NULL)
- filerec = fr; // Add first filerec
+ filerec = fr; // Add first filerec
else
- last_fr->frec_next = fr; // Append to list of filerecs
+ last_fr->frec_next = fr; // Append to list of filerecs
last_fr = fr;
DEBUG { printf("[include: curfname: %s, cfileno=%u]\n", curfname, cfileno); }
//
int fpop(void)
{
- IFILE * ifile;
- IMACRO * imacro;
- LONG * p, * p1;
INOBJ * inobj = cur_inobj;
- if (inobj != NULL)
- {
- // Pop IFENT levels until we reach the conditional assembly context we
- // were at when the input object was entered.
- int numUnmatched = 0;
+ if (inobj == NULL)
+ return 0;
- while (ifent != inobj->in_ifent)
- {
- if (d_endif() != 0) // Something bad happened during endif parsing?
- return -1; // If yes, bail instead of getting stuck in a loop
+ // Pop IFENT levels until we reach the conditional assembly context we
+ // were at when the input object was entered.
+ int numUnmatched = 0;
- numUnmatched++;
- }
+ while (ifent != inobj->in_ifent)
+ {
+ if (d_endif() != 0) // Something bad happened during endif parsing?
+ return -1; // If yes, bail instead of getting stuck in a loop
- // Give a warning to the user that we had to wipe their bum for them
- if (numUnmatched > 0)
- warn("missing %d .endif(s)", numUnmatched);
+ numUnmatched++;
+ }
- tok = inobj->in_otok; // Restore tok and otok
- etok = inobj->in_etok;
+ // Give a warning to the user that we had to wipe their bum for them
+ if (numUnmatched > 0)
+ warn("missing %d .endif(s)", numUnmatched);
- switch (inobj->in_type)
- {
- case SRC_IFILE: // Pop and release an IFILE
- DEBUG { printf("[Leaving: %s]\n", curfname); }
+ tok = inobj->in_otok; // Restore tok and otok
+ etok = inobj->in_etok;
+
+ switch (inobj->in_type)
+ {
+ case SRC_IFILE: // Pop and release an IFILE
+ {
+ DEBUG { printf("[Leaving: %s]\n", curfname); }
- ifile = inobj->inobj.ifile;
- ifile->if_link = f_ifile;
- f_ifile = ifile;
- close(ifile->ifhandle); // Close source file
+ IFILE * ifile = inobj->inobj.ifile;
+ ifile->if_link = f_ifile;
+ f_ifile = ifile;
+ close(ifile->ifhandle); // Close source file
DEBUG { printf("[fpop (pre): curfname=%s]\n", curfname); }
- curfname = ifile->ifoldfname; // Set current filename
+ curfname = ifile->ifoldfname; // Set current filename
DEBUG { printf("[fpop (post): curfname=%s]\n", curfname); }
DEBUG { printf("[fpop: (pre) cfileno=%d ifile->ifno=%d]\n", (int)cfileno, (int)ifile->ifno); }
- curlineno = ifile->ifoldlineno; // Set current line#
- DEBUG printf("cfileno=%d ifile->ifno=%d\n", (int)cfileno, (int)ifile->ifno);
- cfileno = ifile->ifno; // Restore current file number
+ curlineno = ifile->ifoldlineno; // Set current line#
+ DEBUG { printf("cfileno=%d ifile->ifno=%d\n", (int)cfileno, (int)ifile->ifno); }
+ cfileno = ifile->ifno; // Restore current file number
DEBUG { printf("[fpop: (post) cfileno=%d ifile->ifno=%d]\n", (int)cfileno, (int)ifile->ifno); }
- break;
- case SRC_IMACRO: // Pop and release an IMACRO
- imacro = inobj->inobj.imacro;
- imacro->im_link = f_imacro;
- f_imacro = imacro;
- break;
- case SRC_IREPT: // Pop and release an IREPT
- DEBUG printf("dealloc IREPT\n");
- p = inobj->inobj.irept->ir_firstln;
+ break;
+ }
- while (p != NULL)
- {
- p1 = (LONG *)*p;
- p = p1;
- }
+ case SRC_IMACRO: // Pop and release an IMACRO
+ {
+ IMACRO * imacro = inobj->inobj.imacro;
+ imacro->im_link = f_imacro;
+ f_imacro = imacro;
+ break;
+ }
- break;
+ case SRC_IREPT: // Pop and release an IREPT
+ {
+ DEBUG { printf("dealloc IREPT\n"); }
+ LLIST * p = inobj->inobj.irept->ir_firstln;
+
+ // Deallocate repeat lines
+ while (p != NULL)
+ {
+ free(p->line);
+ p = p->next;
}
- cur_inobj = inobj->in_link;
- inobj->in_link = f_inobj;
- f_inobj = inobj;
+ break;
}
+ }
+
+ cur_inobj = inobj->in_link;
+ inobj->in_link = f_inobj;
+ f_inobj = inobj;
return 0;
}
goto retry; // Try for more lines
else
{
- ifent->if_prev = (IFENT *) - 1; //Signal Assemble() that we have reached EOF with unbalanced if/endifs
+ ifent->if_prev = (IFENT *)-1; //Signal Assemble() that we have reached EOF with unbalanced if/endifs
return TKEOF;
}
}
}
break;
+
// Macro-block:
// o Handle end-of-macro;
// o tag the listing-line with an at (@) sign.
case SRC_IMACRO:
if ((ln = GetNextMacroLine()) == NULL)
{
- if (ExitMacro() == 0) // Exit macro (pop args, do fpop(), etc)
- goto retry; // Try for more lines...
+ if (ExitMacro() == 0) // Exit macro (pop args, do fpop(), etc)
+ goto retry; // Try for more lines...
else
- return TKEOF; // Oops, we got a non zero return code, signal EOF
+ return TKEOF; // Oops, we got a non zero return code, signal EOF
}
lntag = '@';
break;
+
// Repeat-block:
// o Handle end-of-repeat-block;
// o tag the listing-line with a pound (#) sign.
case SRC_IREPT:
if ((ln = GetNextRepeatLine()) == NULL)
{
-DEBUG { printf("TokenizeLine: Calling fpop() from SRC_IREPT...\n"); }
+ DEBUG { printf("TokenizeLine: Calling fpop() from SRC_IREPT...\n"); }
fpop();
goto retry;
}
break;
}
- // Save text of the line. We only do this during listings and within
+ // Save text of the line. We only do this during listings and within
// macro-type blocks, since it is expensive to unconditionally copy every
// line.
if (lnsave)
strcpy(lnbuf, ln);
- // General house-keeping
+ // General housekeeping
tok = tokeol; // Set "tok" to EOL in case of error
tk = etok; // Reset token ptr
stuffnull = 0; // Don't stuff nulls
if (*ln == '*' || *ln == ';' || ((*ln == '/') && (*(ln + 1) == '/')))
goto goteol;
+ // And here we have a very ugly hack for signalling a single line 'turn off
+ // optimization'. There's really no nice way to do this, so hack it is!
+ optimizeOff = 0; // Default is to take optimizations as they come
+
+ if (*ln == '!')
+ {
+ optimizeOff = 1; // Signal that we don't want to optimize this line
+ ln++; // & skip over the darned thing
+ }
+
// Main tokenization loop;
// o skip whitespace;
// o handle end-of-line;
return error("goto not in macro");
IMACRO * imacro = cur_inobj->inobj.imacro;
- struct LineList * defln = imacro->im_macro->lineList;
+ LLIST * defln = imacro->im_macro->lineList;
// Attempt to find the label, starting with the first line.
for(; defln!=NULL; defln=defln->next)
void DumpTokenBuffer(void)
{
- TOKEN * t;
printf("Tokens [%X]: ", sloc);
- for(t=tokbuf; *t!=EOL; t++)
+ for(TOKEN * t=tokbuf; *t!=EOL; t++)
{
if (*t == COLON)
printf("[COLON]");
printf("[CONST: $%X]", (uint32_t)*t);
}
else if (*t == ACONST)
- printf("[ACONST]");
+ {
+ printf("[ACONST: $%X, $%X]", (uint32_t)t[1], (uint32_t)t[2]);
+ t += 2;
+ }
else if (*t == STRING)
{
t++;
projects / rmac / blobdiff