Fix [bugs:#947]: VALUE ALL "-" not working in SCREEN SECTION

* cobc/parser.y (screen_value_clause): replaced basic literals by literals

cobc/ChangeLog

@@ -1,4 +1,9 @@
 
+
+2024-02-19  Boris Eng <[email protected]>
+
+	* parser.y (screen_value_clause): replaced basic literals by literals
+
 2024-01-25  David Declerck <[email protected]>
 
 	FR #459: support COLLATING SEQUENCE clause on SELECT / INDEXED files

cobc/parser.y

@@ -10133,7 +10133,7 @@ screen_option:
 ;
 
 screen_value_clause:
-  _value_is basic_literal
+  _value_is literal
   {
 	/* omitting VALUE is at least allowed in MS-COBOL, MF-COBOL, ACUCOBOL for SCREEN VALUE,
 	   and not according to XOPEN uses 85-std which has no SCREEN SECTION and newer Standards */

tests/testsuite.src/run_manual_screen.at

@@ -3510,3 +3510,33 @@ MANUAL_CHECK([$COBCRUN_DIRECT ./prog], [0], [], [])
 
 AT_CLEANUP
 
+
+AT_SETUP([VALUE ALL in SCREEN SECTION])
+
+AT_SKIP_IF([test "$COB_HAS_CURSES" != "yes"])
+
+AT_DATA([prog.cob], [
+       IDENTIFICATION DIVISION.
+       PROGRAM-ID. SCREEN-VALUE-ALL.
+
+       DATA DIVISION.
+       WORKING-STORAGE SECTION.
+
+       SCREEN SECTION.
+       01 SCREEN001 BLANK SCREEN AUTO-SKIP.
+           03 SCR01 BACKGROUND-COLOR 2 FOREGROUND-COLOR 7.
+             05 LINE 02 COL 001 PIC X(50) VALUE ALL '-'.
+
+       PROCEDURE DIVISION.
+           DISPLAY 'Press ENTER if you see a sequence of ""-""'
+           AT 0101 END-DISPLAY
+           DISPLAY ' ' AT 0201 END-DISPLAY
+           ACCEPT SCREEN001
+           ACCEPT OMITTED
+           GOBACK.
+])
+
+AT_CHECK([$COMPILE prog.cob], [0], [], [])
+MANUAL_CHECK([$COBCRUN_DIRECT ./prog], [0], [], [])
+
+AT_CLEANUP

tests/testsuite.src/syn_screen.at

@@ -882,3 +882,26 @@ AT_CHECK([$COMPILE_ONLY prog.cob], [0], [],
 ])
 
 AT_CLEANUP
+
+
+AT_SETUP([VALUE ALL in SCREEN SECTION])
+
+AT_DATA([prog.cob], [
+       IDENTIFICATION DIVISION.
+       PROGRAM-ID. SCREEN-VALUE-ALL.
+
+       DATA DIVISION.
+       WORKING-STORAGE SECTION.
+
+       SCREEN SECTION.
+       01 SCREEN001 BLANK SCREEN AUTO-SKIP.
+           03 SCR01 BACKGROUND-COLOR 2 FOREGROUND-COLOR 7.
+             05 LINE 02 COL 001 PIC X(50) VALUE ALL '-'.
+
+       PROCEDURE DIVISION.
+           GOBACK.
+])
+
+AT_CHECK([$COMPILE_ONLY prog.cob], [0], [], [])
+
+AT_CLEANUP