Added .opt directive with similar syntax to command line. Example syntax: '.opt ...

[rmac] / rmac.c

diff --git a/rmac.c b/rmac.c
index 3d1fffa9ee285920f6838c485de9252b090712c9..45cd1d8f0532ff69347de1979fa1e6ed3da18f69 100644 (file)
--- a/rmac.c
+++ b/rmac.c
@@ -171,6 +171,42 @@ void DisplayVersion(void)
 }
 
 
+//
+// Parse optimisation options
+//
+int ParseOptimization(char * optstring)
+{
+    int onoff = 0;
+
+    if (*optstring == '+')
+        onoff = 1;
+    else if (*optstring != '~')
+        return ERROR;
+
+    if ((optstring[2] == 'a' || optstring[2] == 'A') &&
+        (optstring[3] == 'l' || optstring[3] == 'L') &&
+        (optstring[4] == 'l' || optstring[4] == 'L'))
+    {
+        memset(optim_flags, onoff, OPT_COUNT * sizeof(int));
+        return OK;
+    }
+    else if (optstring[1] == 'o' || optstring[1] == 'O') //Turn on specific optimisation
+       {
+        int opt_no = atoi(&optstring[2]);
+        if ((opt_no >= 0) && (opt_no < OPT_COUNT))
+            optim_flags[opt_no] = onoff;
+        else
+        {
+            return ERROR;
+        }
+    }
+    else
+    {
+        return ERROR;
+    }
+}
+
+
 // 
 // Process command line arguments and do an assembly
 //
@@ -409,31 +445,7 @@ int Process(int argc, char ** argv)
                }
                else if (*argv[argno] == '+' || *argv[argno] == '~')
                {
-                       int onoff = 0;
-
-                       if (*argv[argno] == '+')
-                               onoff = 1;
-
-                       if ((argv[argno][2] == 'a' || argv[argno][2] == 'A')
-                               && (argv[argno][3] == 'l' || argv[argno][3] == 'L')
-                               && (argv[argno][4] == 'l' || argv[argno][4] == 'L'))
-                               memset(optim_flags, onoff, OPT_COUNT * sizeof(int));
-                       else if (argv[argno][1] == 'o' || argv[argno][1] == 'O') // Turn on specific optimisation
-                       {
-                               int opt_no = atoi(&argv[argno][2]);
-
-                               if ((opt_no >= 0) && (opt_no < OPT_COUNT))
-                                       optim_flags[opt_no] = onoff;
-                               else
-                               {
-                                   DisplayVersion();
-                                       printf("Unknown switch: %s\n\n", argv[argno]);
-                                       DisplayHelp();
-                                       errcnt++;
-                                       break;
-                               }
-                       }
-                       else
+                       if (ParseOptimization(argv[argno]) != OK)
                        {
                                DisplayVersion();
                                printf("Unknown switch: %s\n\n", argv[argno]);