Multiple fixes for 020+ mode, including:

[rmac] / direct.c

diff --git a/direct.c b/direct.c
index 5da6347f2a0ccab6d1f1ba5fe0e3fa4c34934603..c9a82d938714730471728f4868820e47ace156c0 100644 (file)
--- a/direct.c
+++ b/direct.c
@@ -165,7 +165,7 @@ int d_error(char *str)
                        return error(string[tok[1]]);
                        break;
                default:
-                       return error("error directive encountered - aborting assembling");
+                       return error("error directive encountered--aborting assembly");
                }
        }
 }
@@ -428,14 +428,13 @@ int d_incbin(void)
        int fd;
        int bytes = 0;
        long pos, size, bytesRead;
-       char msg[256];
        char buf1[256];
        int i;
 
        // Check to see if we're in BSS, and, if so, throw an error
        if (scattr & SBSS)
        {
-               errors("cannot include binary file \"%s\" in BSS section", string[tok[1]]);
+               error("cannot include binary file \"%s\" in BSS section", string[tok[1]]);
                return ERROR;
        }
 
@@ -464,7 +463,7 @@ int d_incbin(void)
                                goto allright;
                }
 
-               return errors("cannot open: \"%s\"", string[tok[1]]);
+               return error("cannot open: \"%s\"", string[tok[1]]);
        }
 
 allright:
@@ -480,8 +479,7 @@ allright:
 
        if (bytesRead != size)
        {
-               sprintf(msg, "was only able to read %li bytes from binary file (%s, %li bytes)", bytesRead, string[tok[1]], size);
-               error(msg);
+               error("was only able to read %li bytes from binary file (%s, %li bytes)", bytesRead, string[tok[1]], size);
                return ERROR;
        }
 
@@ -741,7 +739,7 @@ int d_include(void)
        // Make sure the user didn't try anything like:
        // .include equates.s
        if (*++tok != EOL)
-               return error("extra stuff after filename -- enclose it in quotes");
+               return error("extra stuff after filename--enclose it in quotes");
 
        // Attempt to open the include file in the current directory, then (if that
        // failed) try list of include files passed in the enviroment string or by
@@ -762,7 +760,7 @@ int d_include(void)
                                goto allright;
                }
 
-               return errors("cannot open: \"%s\"", fn);
+               return error("cannot open: \"%s\"", fn);
        }
 
 allright:
@@ -1064,10 +1062,7 @@ int d_dc(WORD siz)
                                        return error("non-absolute byte value");
 
                                if (eval + 0x100 >= 0x200)
-                               {
-                                       sprintf(buffer, "%s (value = $%X)", range_error, eval);
-                                       return error(buffer);
-                               }
+                                       return error("%s (value = $%X)", range_error, eval);
 
                                D_byte(eval);
                        }
@@ -1590,7 +1585,7 @@ int d_cargs(void)
                                symbol->sattr = 0;
                        }
                        else if (symbol->sattr & DEFINED)
-                               return errors("multiply-defined label '%s'", p);
+                               return error("multiply-defined label '%s'", p);
 
                        // Put symbol in "order of definition" list
                        AddToSymbolDeclarationList(symbol);
@@ -1706,7 +1701,7 @@ int d_cstruct(void)
                                symbol->sattr = 0;
                        }
                        else if (symbol->sattr & DEFINED)
-                               return errors("multiply-defined label '%s'", symbolName);
+                               return error("multiply-defined label '%s'", symbolName);
 
                        // Put symbol in "order of definition" list
                        AddToSymbolDeclarationList(symbol);
@@ -1839,11 +1834,7 @@ int d_opt(void)
                        char * tmpstr = string[*tok++];
 
                        if (ParseOptimization(tmpstr) != OK)
-                       {
-                               char temperr[256];
-                               sprintf(temperr, "unknown optimization flag '%s'", tmpstr);
-                               return error(temperr);
-                       }
+                               return error("unknown optimization flag '%s'", tmpstr);
                }
                else
                        return error(".opt directive needs every switch enclosed inside quotation marks");
@@ -1852,3 +1843,78 @@ int d_opt(void)
        return OK;
 }
 
+
+//
+// .if, Start conditional assembly
+//
+int d_if(void)
+{
+       WORD eattr;
+       VALUE eval;
+       SYM * esym;
+       IFENT * rif = f_ifent;
+
+       // Alloc an IFENTRY
+       if (rif == NULL)
+               rif = (IFENT *)malloc(sizeof(IFENT));
+       else
+               f_ifent = rif->if_prev;
+
+       rif->if_prev = ifent;
+       ifent = rif;
+
+       if (!disabled)
+       {
+               if (expr(exprbuf, &eval, &eattr, &esym) != OK)
+                       return 0;
+
+               if ((eattr & DEFINED) == 0)
+                       return error(undef_error);
+
+               disabled = !eval;
+       }
+
+       rif->if_state = (WORD)disabled;
+       return 0;
+}
+
+
+//
+// .else, Do alternate case for .if
+//
+int d_else(void)
+{
+       IFENT * rif = ifent;
+
+       if (rif->if_prev == NULL)
+               return error("mismatched .else");
+
+       if (disabled)
+               disabled = rif->if_prev->if_state;
+       else
+               disabled = 1;
+
+       rif->if_state = (WORD)disabled;
+       return 0;
+}
+
+
+//
+// .endif, End of conditional assembly block
+// This is also called by fpop() to pop levels of IFENTs in case a macro or
+// include file exits early with `exitm' or `end'.
+//
+int d_endif(void)
+{
+       IFENT * rif = ifent;
+
+       if (rif->if_prev == NULL)
+               return error("mismatched .endif");
+
+       ifent = rif->if_prev;
+       disabled = rif->if_prev->if_state;
+       rif->if_prev = f_ifent;
+       f_ifent = rif;
+       return 0;
+}
+