Changeset 3ac5fd8 for tests/generator/.in/fmtLines.txt

Timestamp:

Aug 17, 2024, 3:15:21 PM (3 months ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

master

Children:

df2e00f

Parents:

afb15cf

Message:

first attempt changing end-of-file to an exception

File:

• tests/generator/.in/fmtLines.txt (modified) (1 diff)

tests/generator/.in/fmtLines.txt

@@ -5 +5 @@
 // file "LICENCE" distributed with Cforall.
 //
-// fmtLines.cc --
+// fmtLines.cfa -- format characters into blocks of 4 and groups of 5 blocks per line
 //
-// Author           : Peter A. Buhr
-// Created On       : Sun Sep 17 21:56:15 2017
+// Author           : Thierry Delisle
+// Created On       : Thu Mar  5 16:09:08 2020
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Fri Mar 22 13:41:03 2019
-// Update Count     : 33
+// Last Modified On : Sat Aug 17 14:21:28 2024
+// Update Count     : 5
 //
 
 #include <fstream.hfa>
-#include <coroutine.hfa>
 
-coroutine Format {
+generator Format {
         char ch;                                                                                        // used for communication
         int g, b;                                                                                       // global because used in destructor
 };
 
-void ?{}( Format & fmt ) {
-    resume( fmt );                                                                              // start coroutine
-}
-
-void ^?{}( Format & fmt ) {
-    if ( fmt.g != 0 || fmt.b != 0 ) sout | nl;
-}
-
-void main( Format & fmt ) {
-        for ( ;; ) {                                                                            // for as many characters
-                for ( fmt.g = 0; fmt.g < 5; fmt.g += 1 ) {              // groups of 5 blocks
-                        for ( fmt.b = 0; fmt.b < 4; fmt.b += 1 ) {      // blocks of 4 characters
-                                for ( ;; ) {                                                    // for newline characters
+void main( Format & fmt ) with( fmt ) {
+        for () {                                                                                        // for as many characters
+                for ( g = 0; g < 5; g += 1 ) {                                  // groups of 5 blocks
+                        for ( b = 0; b < 4; b += 1 ) {                          // blocks of 4 characters
+                                for () {                                                                // for newline characters
                                         suspend;
-                                        if ( fmt.ch != '\n' ) break;            // ignore newline
+                                  if ( ch != '\n' ) break;                              // ignore newline
                                 } // for
-                                sout | fmt.ch;                                                  // print character
+                                sout | ch;                                                              // print character
                         } // for
                         sout | "  ";                                                            // print block separator
                 } // for
-                sout | nl;                                                                      // print group separator
+                sout | nl;                                                                              // print group separator
         } // for
 } // main
 
-void prt( Format & fmt, char ch ) {
-    fmt.ch = ch;
-    resume( fmt );
-} // prt
+void ?{}( Format & fmt ) {
+        resume( fmt );                                                                          // prime (start) coroutine
+}
+
+void ^?{}( Format & fmt ) with( fmt ) {
+        if ( g != 0 || b != 0 ) sout | nl;
+}
+
+void format( Format & fmt ) {
+        resume( fmt );
+} // format
 
 int main() {
         Format fmt;
-        char ch;
+        sout | nlOff;                                                                           // turn off auto newline
 
-        for ( ;; ) {
-                sin | ch;                                                                               // read one character
-          if ( eof( sin ) ) break;                                                      // eof ?
-                prt( fmt, ch );
-        } // for
+        try {
+                for () {                                                                                // read until end of file
+                        sin | fmt.ch;                                                           // read one character
+                        format( fmt );                                                          // push character for formatting
+                } // for
+        } catch( end_of_file * ) {
+        } // try
 } // main
-
-// Local Variables: //
-// tab-width: 4 //
-// compile-command: "cfa fmtLines.cfa" //
-// End: //