Merge SVN 3943

cobc/ChangeLog

@@ -1272,6 +1272,8 @@
 
 2020-07-21  Simon Sobisch <[email protected]>
 
+	* pplex.l, ppparse.y: implemented CHECKNUM/NOCHECKNUM,
+	  preparation for SPZERO
 	* ppparse.y: improved error handling for broken IF/ELIF
 	  directives by consuming as much errors as possible and
 	  emitting a "false"

cobc/pplex.l

@@ -687,6 +687,10 @@ COBOL_WORDS_DIRECTIVE_STATE>{
   "CALLFH"	{
 	return CALLFH;
   }
+  "CHECKNUM"	|
+  "CHECK-NUM"	{
+	return CHECKNUM;
+  }
   "COMP1"	|
   "COMP-1"	{
 	return COMP1;
@@ -716,6 +720,11 @@ COBOL_WORDS_DIRECTIVE_STATE>{
   "NO-BOUND"		{
 	return NOBOUND;
   }
+  "NOCHECKNUM"  	|
+  "NO-CHECKNUM" 	|
+  "NO-CHECK-NUM"	{
+	return NOCHECKNUM;
+  }
   "NODPCINDATA" 	|
   "NO-DPCINDATA"	|
   "NODPC-IN-DATA"	|
@@ -731,6 +740,10 @@ COBOL_WORDS_DIRECTIVE_STATE>{
   "NO-SSRANGE"	{
 	return NOSSRANGE;
   }
+  "NOSPZERO"	|
+  "NO-SPZERO"	{
+	return NOSPZERO;
+  }
   "NOODOSLIDE"	|
   "NO-ODOSLIDE"	{
 	return NOODOSLIDE;
@@ -747,6 +760,9 @@ COBOL_WORDS_DIRECTIVE_STATE>{
   "SSRANGE"	{
 	return SSRANGE;
   }
+  "SPZERO"	{
+	return SPZERO;
+  }
   "SOURCEFORMAT" |
   "SOURCE-FORMAT"	{
 	return SOURCEFORMAT;