//
#include "token.h"
-#include "symbol.h"
-#include "procln.h"
-#include "macro.h"
#include "error.h"
+#include "macro.h"
+#include "procln.h"
+#include "symbol.h"
#define DECL_KW // Declare keyword arrays
#define DEF_KW // Declare keyword values
#include "kwtab.h" // Incl generated keyword tables & defs
+
int lnsave; // 1; strcpy() text of current line
int curlineno; // Current line number
int totlines; // Total # of lines
TOKEN * tok; // Ptr to current token
TOKEN * etok; // Ptr past last token in tokbuf[]
TOKEN tokeol[1] = {EOL}; // Bailout end-of-line token
-char * string[TOKBUFSIZE]; // Token buffer string pointer storage
+char * string[TOKBUFSIZE*2]; // Token buffer string pointer storage
// File record, used to maintain a list of every include file ever visited
#define FILEREC struct _filerec
};
-//
-// Make `fnum' the Current `curfname'
-//
-void setfnum(WORD fnum)
+void SetFilenameForErrorReporting(void)
{
- FILEREC * fr;
+ WORD fnum = cfileno;
- for(fr=filerec; fr!=NULL && fnum--; fr=fr->frec_next);
+ // Check for absolute top filename (this should never happen)
+ if (fnum == -1)
+ {
+ curfname = "(*top*)";
+ return;
+ }
+
+ FILEREC * fr = filerec;
+
+ // Advance to the correct record...
+ while (fr != NULL && fnum != 0)
+ {
+ fr = fr->frec_next;
+ fnum--;
+ }
+ // Check for file # record not found (this should never happen either)
if (fr == NULL)
- curfname = "(*top*)";
- else
- curfname = fr->frec_name;
+ {
+ curfname = "(*NOT FOUND*)";
+ return;
+ }
+
+ curfname = fr->frec_name;
}
// Allocate and initialize INOBJ first
if (f_inobj == NULL)
-// inobj = (INOBJ *)amem((LONG)sizeof(INOBJ));
- inobj = (INOBJ *)malloc(sizeof(INOBJ));
+ inobj = malloc(sizeof(INOBJ));
else
{
inobj = f_inobj;
{
case SRC_IFILE: // Alloc and init an IFILE
if (f_ifile == NULL)
-// ifile = (IFILE *)amem((LONG)sizeof(IFILE));
- ifile = (IFILE *)malloc(sizeof(IFILE));
+ ifile = malloc(sizeof(IFILE));
else
{
ifile = f_ifile;
break;
case SRC_IMACRO: // Alloc and init an IMACRO
if (f_imacro == NULL)
-// imacro = (IMACRO *)amem((LONG)sizeof(IMACRO));
- imacro = (IMACRO *)malloc(sizeof(IMACRO));
+ imacro = malloc(sizeof(IMACRO));
else
{
imacro = f_imacro;
inobj->inobj.imacro = imacro;
break;
case SRC_IREPT: // Alloc and init an IREPT
-// inobj->inobj.irept = (IREPT *)amem((LONG)sizeof(IREPT));
- inobj->inobj.irept = (IREPT *)malloc(sizeof(IREPT));
+ inobj->inobj.irept = malloc(sizeof(IREPT));
DEBUG printf("alloc IREPT\n");
break;
}
// (the colon must be in the first column). These labels are stripped before
// macro expansion takes place.
//
-int mexpand(char * src, char * dest, int destsiz)
+int ExpandMacro(char * src, char * dest, int destsiz)
{
- char * s;
- char * d = NULL;
- char * dst; // Next dest slot
- char * edst; // End+1 of dest buffer
int i;
int questmark; // \? for testing argument existence
- TOKEN * tk;
char mname[128]; // Assume max size of a formal arg name
- int macnum;
- SYM * arg;
- IMACRO * imacro;
char numbuf[20]; // Buffer for text of CONSTs
+ TOKEN * tk;
+ SYM * arg;
+ char ** symbolString;
+
+ DEBUG { printf("ExM: src=\"%s\"\n", src); }
- imacro = cur_inobj->inobj.imacro;
- macnum = (int)(imacro->im_macro->sattr);
+ IMACRO * imacro = cur_inobj->inobj.imacro;
+ int macnum = (int)(imacro->im_macro->sattr);
- destsiz--;
- dst = dest;
- edst = dest + destsiz;
+// destsiz--;
+ char * dst = dest; // Next dest slot
+ char * edst = dest + destsiz - 1; // End + 1(?) of dest buffer
// Check for (and skip over) any "label" on the line
- s = src;
+ char * s = src;
+ char * d = NULL;
if (*s == ':')
{
goto copy_d;
case '~': // ==> unique label string Mnnnn...
- sprintf(numbuf, "M%ud", curuniq);
+ sprintf(numbuf, "M%u", curuniq);
copystr:
d = numbuf;
copy_d:
- ++s;
+ s++;
while (*d != EOS)
{
// Get argument name: \name, \{name}
d = mname;
- // \foo
+ // \label
if (*s != '{')
{
do
}
while (chrtab[*s] & CTSYM);
}
- // \\{foo}
+ // \\{label}
else
{
for(++s; *s != EOS && *s != '}';)
if (*s != '}')
return error("missing '}'");
else
- ++s;
+ s++;
}
*d = EOS;
// Lookup the argument and copy its (string) value into the
// destination string
- DEBUG printf("mname='%s'\n", mname);
+ DEBUG printf("argument='%s'\n", mname);
if ((arg = lookup(mname, MACARG, macnum)) == NULL)
return errors("undefined argument: '%s'", mname);
// macro invocation) then it is ignored.
i = (int)arg->svalue;
arg_num:
- DEBUG printf("~argnumber=%d\n", i);
-
+ DEBUG printf("~argnumber=%d (argBase=%u)\n", i, imacro->argBase);
tk = NULL;
if (i < imacro->im_nargs)
- tk = argp[i];
+ {
+#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);
+//}
+#endif
+ }
// \?arg yields:
// 0 if the argument is empty or non-existant,
continue;
}
- if (tk != NULL) // arg# is in range, so expand it
+ if (tk != NULL) // arg # is in range, so expand it
{
while (*tk != EOL)
{
switch ((int)*tk++)
{
case SYMBOL:
- d = (char *)*tk++;
+#if 0
+// d = (char *)*tk++;
+ d = string[*tk++];
+#else
+ // This fix should be done for strings too
+ d = symbolString[*tk++];
+DEBUG printf("ExM: SYMBOL=\"%s\"", d);
+#endif
break;
case STRING:
- d = (char *)*tk++;
-
+#if 0
+// d = (char *)*tk++;
+ d = string[*tk++];
+#else
+ d = symbolString[*tk++];
+#endif
if (dst >= edst)
goto overflow;
}
*dst = EOS;
+ DEBUG { printf("ExM: dst=\"%s\"\n", dest); }
return OK;
overflow:
*dst = EOS;
+ DEBUG printf("*** OVERFLOW LINE ***\n%s\n", dest);
return fatal("line too long as a result of macro expansion");
}
unsigned source_addr;
IMACRO * imacro = cur_inobj->inobj.imacro;
- LONG * strp = imacro->im_nextln;
+// LONG * strp = imacro->im_nextln;
+ struct LineList * strp = imacro->im_nextln;
if (strp == NULL) // End-of-macro
return NULL;
- imacro->im_nextln = (LONG *)*strp;
- mexpand((char *)(strp + 1), imacro->im_lnbuf, LNSIZ);
+// imacro->im_nextln = (LONG *)*strp;
+ imacro->im_nextln = strp->next;
+// ExpandMacro((char *)(strp + 1), imacro->im_lnbuf, LNSIZ);
+ ExpandMacro(strp->line, imacro->im_lnbuf, LNSIZ);
+// bollocks
+#if 0
if (!strcmp(imacro->im_macro->sname, "mjump") && !mjump_align)
{
// if we need to adjust the alignment of the jump source address to
// meet the rules of gpu main execution we need to skip the first nop
// of the macro. This is simpler than trying to insert nop's mid macro.
- source_addr = (orgactive) ? orgaddr : sloc;
+ source_addr = (orgactive ? orgaddr : sloc);
source_addr += 8;
if (source_addr % 4)
if (strp == NULL)
return NULL;
- imacro->im_nextln = (LONG *)*strp;
- mexpand((char *)(strp + 1), imacro->im_lnbuf, LNSIZ);
+// imacro->im_nextln = (LONG *)*strp;
+// ExpandMacro((char *)(strp + 1), imacro->im_lnbuf, LNSIZ);
+ imacro->im_nextln = strp->next;
+ ExpandMacro(strp->line, imacro->im_lnbuf, LNSIZ);
}
mjump_align = 1;
}
+#endif
return imacro->im_lnbuf;
}
return NULL;
}
- strp = irept->ir_nextln; //strp
+ strp = irept->ir_nextln;
}
strcpy(irbuf, (char *)(irept->ir_nextln + 1));
// Verbose mode
if (verb_flag)
- printf("[Including: %s]\n", fname);
+ printf("[include: %s, cfileno=%u]\n", fname, cfileno);
// Alloc and initialize include-descriptors
inobj = a_inobj(SRC_IFILE);
ifile->ifoldlineno = curlineno; // Save old line number
ifile->ifoldfname = curfname; // Save old filename
ifile->ifno = cfileno; // Save old file number
- cfileno = filecount++; // Compute new file number
+
+// cfileno = filecount++; // Compute new 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
// Add another file to the file-record
-// fr = (FILEREC *)amem((LONG)sizeof(FILEREC));
fr = (FILEREC *)malloc(sizeof(FILEREC));
fr->frec_next = NULL;
fr->frec_name = curfname;
last_fr->frec_next = fr; // Append to list of filerecs
last_fr = fr;
+ DEBUG printf("[include: curfname: %s, cfileno=%u]\n", curfname, cfileno);
return OK;
}
//
int fpop(void)
{
- INOBJ * inobj;
IFILE * ifile;
IMACRO * imacro;
LONG * p, * p1;
-
- inobj = cur_inobj;
+ INOBJ * inobj = cur_inobj;
if (inobj != NULL)
{
ifile->if_link = f_ifile;
f_ifile = ifile;
close(ifile->ifhandle); // Close source file
+if (verb_flag) printf("[fpop (pre): curfname=%s]\n", curfname);
curfname = ifile->ifoldfname; // Set current filename
+if (verb_flag) printf("[fpop (post): curfname=%s]\n", curfname);
+if (verb_flag) 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
+if (verb_flag) 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;
case SRC_IFILE:
if ((ln = getln()) == NULL)
{
+if (verb_flag) printf("tokln: Calling fpop() from SRC_IFILE...\n");
fpop(); // Pop input level
goto retry; // Try for more lines
}
*ln = ';';
else
{
- for(p=ln; *p!=EOS; ++p)
+ for(p=ln; *p!=EOS; p++)
{
if (*p == '*')
{
case SRC_IMACRO:
if ((ln = getmln()) == NULL)
{
- exitmac(); // Exit macro (pop args, do fpop(), etc)
+ ExitMacro(); // Exit macro (pop args, do fpop(), etc)
goto retry; // Try for more lines...
}
case SRC_IREPT:
if ((ln = getrln()) == NULL)
{
+if (verb_flag) printf("tokln: Calling fpop() from SRC_IREPT...\n");
fpop();
goto retry;
}
if (c & STSYM)
{
- if (stuffnull) // Terminate old symbol
+ if (stuffnull) // Terminate old symbol from previous pass
*nullspot = EOS;
v = 0; // Assume no DOT attrib follows symbol
if (j < 0 || state < 0)
{
*tk++ = SYMBOL;
-#warning
+//#warning
//problem here: nullspot is a char * but TOKEN is a uint32_t. On a 64-bit system,
//this will cause all kinds of mischief.
+#if 0
*tk++ = (TOKEN)nullspot;
+#else
+ string[stringNum] = nullspot;
+ *tk++ = stringNum;
+ stringNum++;
+#endif
}
else
{
if (v) // Record attribute token (if any)
*tk++ = (TOKEN)v;
- if (stuffnull) // Arrange for string termination
+ if (stuffnull) // Arrange for string termination on next pass
nullspot = ln;
continue;
case '\"': // "string"
c1 = ln[-1];
*tk++ = STRING;
-#warning
+//#warning
// More char * stuffing (8 bytes) into the space of 4 (TOKEN).
// Need to figure out how to fix this crap.
+#if 0
*tk++ = (TOKEN)ln;
+#else
+ string[stringNum] = ln;
+ *tk++ = stringNum;
+ stringNum++;
+#endif
for(p=ln; *ln!=EOS && *ln!=c1;)
{
// be EOL.
//
//int d_goto(WORD siz) {
-int d_goto(void)
+//int d_goto(void)
+int d_goto(WORD unused)
{
- char * sym; // Label to search for
- LONG * defln; // Macro definition strings
+// char * sym; // Label to search for
+// LONG * defln; // Macro definition strings
char * s1; // Temps for string comparison
char * s2;
- IMACRO * imacro; // Macro invocation block
+// IMACRO * imacro; // Macro invocation block
// Setup for the search
if (*tok != SYMBOL)
return error("missing label");
- sym = (char *)tok[1];
+// sym = (char *)tok[1];
+ char * sym = string[tok[1]];
tok += 2;
if (cur_inobj->in_type != SRC_IMACRO)
return error("goto not in macro");
- imacro = cur_inobj->inobj.imacro;
- defln = (LONG *)imacro->im_macro->svalue;
+ IMACRO * imacro = cur_inobj->inobj.imacro;
+// defln = (LONG *)imacro->im_macro->svalue;
+ struct LineList * defln = imacro->im_macro->lineList;
// Find the label, starting with the first line.
- for(; defln!=NULL; defln=(LONG *)*defln)
+// for(; defln!=NULL; defln=(LONG *)*defln)
+ for(; defln!=NULL; defln=defln->next)
{
- if (*(char *)(defln + 1) == ':')
+// if (*(char *)(defln + 1) == ':')
+ if (defln->line[0] == ':')
{
// Compare names (sleazo string compare)
+ // This string compare is not right. Doesn't check for lengths.
+#warning "!!! Bad string comparison !!!"
s1 = sym;
- s2 = (char *)(defln + 1) + 1;
+// s2 = (char *)(defln + 1) + 1;
+ s2 = defln->line;
while (*s1 == *s2)
{
break;
else
{
- ++s1;
- ++s2;
+ s1++;
+ s2++;
}
}
return error("goto label not found");
}
+
void DumpTokenBuffer(void)
{
TOKEN * t;
- printf("Tokens: ");
+ printf("Tokens [%X]: ", sloc);
for(t=tokbuf; *t!=EOL; t++)
{
else if (*t == ACONST)
printf("[ACONST]");
else if (*t == STRING)
- printf("[STRING]");
+// printf("[STRING]");
+ {
+ t++;
+ printf("[STRING:\"%s\"]", string[*t]);
+ }
else if (*t == SYMBOL)
{
t++;
- printf("[SYMBOL:\"%s\"]", (char *)*t);
+ printf("[SYMBOL:\"%s\"]", string[*t]);
}
else if (*t == EOS)
printf("[EOS]");
printf("[CR_DATE]");
else if (*t >= 0x20 && *t <= 0x2F)
printf("[%c]", (char)*t);
+ else if (*t >= 0x3A && *t <= 0x3F)
+ printf("[%c]", (char)*t);
else if (*t >= 0x80 && *t <= 0x87)
printf("[D%u]", ((uint32_t)*t) - 0x80);
else if (*t >= 0x88 && *t <= 0x8F)
printf("[A%u]", ((uint32_t)*t) - 0x88);
else
-// printf("[%X:%c]", (uint32_t)*t, (char)*t);
- printf("[%X]", (uint32_t)*t);
+ printf("[%X:%c]", (uint32_t)*t, (char)*t);
+// printf("[%X]", (uint32_t)*t);
}
printf("[EOL]\n");
}
+
projects / rmac / blobdiff