Changeset 7cfd6d4

Timestamp:

Mar 19, 2019, 4:07:13 PM (6 years ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

ADT, arm-eh, ast-experimental, cleanup-dtors, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

81a05ca

Parents:

2e041e27

Message:

illustrate coroutine refactoring

File:

• tests/coroutine/devicedriver.cfa (modified) (3 diffs)

tests/coroutine/devicedriver.cfa

@@ -10 +10 @@
 // Created On       : Sat Mar 16 15:30:34 2019
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Mon Mar 18 08:29:20 2019
-// Update Count     : 79
+// Last Modified On : Tue Mar 19 15:59:06 2019
+// Update Count     : 87
 // 
 
@@ -28 +28 @@
 } // next
 
+void checkCRC( Driver & d, unsigned int sum ) with( d ) {
+        suspend();
+        unsigned short int crc = byte << 8;                                     // sign extension over written
+        suspend();
+        // prevent sign extension for signed char
+        status = (crc | (unsigned char)byte) == sum ? MSG : ECRC;
+} // checkCRC
+
 void main( Driver & d ) with( d ) {
         enum { STX = '\002', ESC = '\033', ETX = '\003', MaxMsg = 64 };
-        unsigned short int crc;                                                         // error checking
   msg: for () {                                                                                 // parse message
                 status = CONT;
@@ -52 +59 @@
                 } // for
                 msg[lnth] = '\0';                                                               // terminate string
-                suspend();
-                crc = (unsigned char)byte << 8; // prevent sign extension for signed char
-                suspend();
-                status = (crc | (unsigned char)byte) == sum ? MSG : ECRC;
+                checkCRC( d, sum );                                                             // refactor CRC check
                 suspend();
         } // for