Changeset 42080 for trunk/Ohana/src/opihi/lib.shell/convert_to_RPN.c

Timestamp:

Feb 28, 2022, 12:14:19 PM (4 years ago)

Author:

eugene

Message:

add string unary functions (isword, isnum, isint, isflt, length)

File:

• trunk/Ohana/src/opihi/lib.shell/convert_to_RPN.c (modified) (1 diff)

trunk/Ohana/src/opihi/lib.shell/convert_to_RPN.c

@@ -71 +71 @@
     if (!strcmp (argv[i], "isnan"))  { type = ST_UNARY; goto gotit; }
 
+    /* string-valid unary operations */
+    if (!strcmp (argv[i], "isword")) { type = ST_UNARY; goto gotit; }
+    if (!strcmp (argv[i], "isnum"))  { type = ST_UNARY; goto gotit; }
+    if (!strcmp (argv[i], "isint"))  { type = ST_UNARY; goto gotit; }
+    if (!strcmp (argv[i], "isflt"))  { type = ST_UNARY; goto gotit; }
+    if (!strcmp (argv[i], "length")) { type = ST_UNARY; goto gotit; }
+
     /* binary operations */
+    // NOTE: I archically use the first character of the function name in a switch to identify the operation
+    // I should re-work this with an enum which defines the operatino
     if (!strcmp (argv[i], "^"))      { type = ST_POWER; goto gotit; }