]> Shamusworld >> Repos - rmac/blobdiff - token.c
Small fix to make compilation C99 compliant.
[rmac] / token.c
diff --git a/token.c b/token.c
index 84faa8f157bc5a9157f60e25e88dbda49e4df0f3..5b3d0737b02ea308f19938d86ec1ec3bfd3fcc53 100644 (file)
--- a/token.c
+++ b/token.c
@@ -24,7 +24,7 @@ int mjump_align = 0;          // mjump alignment flag
 char lntag;                                    // Line tag
 char * curfname;                       // Current filename
 char tolowertab[128];          // Uppercase ==> lowercase 
-char hextab[128];                      // Table of hex values
+int8_t hextab[128];                    // Table of hex values
 char dotxtab[128];                     // Table for ".b", ".s", etc.
 char irbuf[LNSIZ];                     // Text for .rept block line
 char lnbuf[LNSIZ];                     // Text of current line
@@ -679,8 +679,8 @@ int include(int handle, char * fname)
        INOBJ * inobj;
        FILEREC * fr;
 
-       // Verbose mode
-       if (verb_flag)
+       // Debug mode
+       if (debug)
                printf("[include: %s, cfileno=%u]\n", fname, cfileno);
 
        // Alloc and initialize include-descriptors
@@ -730,33 +730,41 @@ int fpop(void)
        {
                // Pop IFENT levels until we reach the conditional assembly context we
                // were at when the input object was entered.
+               int numUnmatched = 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
+                       if (d_endif() != 0)             // Something bad happened during endif parsing?
+                               return -1;                      // If yes, bail instead of getting stuck in a loop
+
+                       numUnmatched++;
                }
 
-               tok = inobj->in_otok;                           // Restore tok and otok
+               // Give a warning to the user that we had to wipe their bum for them
+               if (numUnmatched > 0)
+                       warni("missing %d .endif(s)", numUnmatched);
+
+               tok = inobj->in_otok;           // Restore tok and otok
                etok = inobj->in_etok;
 
                switch (inobj->in_type)
                {
-               case SRC_IFILE:                                         // Pop and release an IFILE
-                       if (verb_flag)
+               case SRC_IFILE:                         // Pop and release an IFILE
+                       if (debug)
                                printf("[Leaving: %s]\n", curfname);
 
                        ifile = inobj->inobj.ifile;
                        ifile->if_link = f_ifile;
                        f_ifile = ifile;
                        close(ifile->ifhandle);                 // Close source file
-if (verb_flag) printf("[fpop (pre):  curfname=%s]\n", curfname);
+if (debug)     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);
+if (debug)     printf("[fpop (post): curfname=%s]\n", curfname);
+if (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
-if (verb_flag) printf("[fpop: (post) cfileno=%d ifile->ifno=%d]\n", (int)cfileno, (int)ifile->ifno);
+if (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;
@@ -911,9 +919,14 @@ retry:
        case SRC_IFILE:
                if ((ln = GetNextLine()) == NULL)
                {
-if (verb_flag) printf("TokenizeLine: Calling fpop() from SRC_IFILE...\n");
-                       fpop();                                                 // Pop input level
-                       goto retry;                                             // Try for more lines 
+if (debug) printf("TokenizeLine: Calling fpop() from SRC_IFILE...\n");
+                       if (fpop() == 0)                                // Pop input level
+                               goto retry;                                     // Try for more lines 
+                       else
+                       {
+                               ifent->if_prev = (IFENT *) - 1; //Signal Assemble() that we have reached EOF with unbalanced if/endifs
+                               return TKEOF;
+                       }
                }
 
                curlineno++;                                            // Bump line number
@@ -960,7 +973,7 @@ if (verb_flag) printf("TokenizeLine: Calling fpop() from SRC_IFILE...\n");
        case SRC_IREPT:
                if ((ln = GetNextRepeatLine()) == NULL)
                {
-if (verb_flag) printf("TokenizeLine: Calling fpop() from SRC_IREPT...\n");
+if (debug) printf("TokenizeLine: Calling fpop() from SRC_IREPT...\n");
                        fpop();
                        goto retry;
                }
@@ -1014,6 +1027,27 @@ if (verb_flag) printf("TokenizeLine: Calling fpop() from SRC_IREPT...\n");
 
                        v = 0;                                  // Assume no DOT attrib follows symbol
                        stuffnull = 1;
+
+                       // In some cases, we need to check for a DOTx at the *beginning*
+                       // of a symbol, as the "start" of the line we're currently looking
+                       // at could be somewhere in the middle of that line!
+                       if (*ln == '.')
+                       {
+                               // Make sure that it's *only* a .[bwsl] following, and not the
+                               // start of a local symbol:
+                               if ((chrtab[*(ln + 1)] & DOT)
+                                       && (dotxtab[*(ln + 1)] != 0)
+                                       && !(chrtab[*(ln + 2)] & CTSYM))
+                               {
+                                       // We found a legitimate DOTx construct, so add it to the
+                                       // token stream:
+                                       ln++;
+                                       stuffnull = 0;
+                                       *tk++ = (TOKEN)dotxtab[*ln++];
+                                       continue;
+                               }
+                       }
+
                        p = nullspot = ln++;    // Nullspot -> start of this symbol
 
                        // Find end of symbol (and compute its length)
@@ -1031,13 +1065,13 @@ if (verb_flag) printf("TokenizeLine: Calling fpop() from SRC_IREPT...\n");
                                // the chararacter after THAT one must not have a start-symbol
                                // attribute (to prevent symbols that look like, for example,
                                // "zingo.barf", which might be a good idea anyway....)
-                               if ((((int)chrtab[*ln] & DOT) == 0) || ((int)dotxtab[*ln] <= 0))
-                                       return error("[bwsl] must follow `.' in symbol");
+                               if (((chrtab[*ln] & DOT) == 0) || (dotxtab[*ln] == 0))
+                                       return error("[bwsl] must follow '.' in symbol");
 
                                v = (VALUE)dotxtab[*ln++];
 
-                               if ((int)chrtab[*ln] & CTSYM)
-                                       return error("misuse of `.', not allowed in symbols");
+                               if (chrtab[*ln] & CTSYM)
+                                       return error("misuse of '.', not allowed in symbols");
                        }
 
                        // If the symbol is small, check to see if it's really the name of
@@ -1089,7 +1123,7 @@ if (verb_flag) printf("TokenizeLine: Calling fpop() from SRC_IREPT...\n");
                        }
 
                        // If not tokenized keyword OR token was not found
-                       if (j < 0 || state < 0)
+                       if ((j < 0) || (state < 0))
                        {
                                *tk++ = SYMBOL;
 //#warning
@@ -1208,12 +1242,12 @@ if (verb_flag) printf("TokenizeLine: Calling fpop() from SRC_IREPT...\n");
                                *p++ = EOS;
                                continue;
                        case '$':               // $, hex constant
-                               if ((int)chrtab[*ln] & HDIGIT)
+                               if (chrtab[*ln] & HDIGIT)
                                {
                                        v = 0;
 
                                        // Parse the hex value
-                                       while ((int)hextab[*ln] >= 0)
+                                       while (hextab[*ln] >= 0)
                                                v = (v << 4) + (int)hextab[*ln++];
 
                                        // ggn: Okay, some comments here are in order I think....