Add ALTER PACKAGE and CRETE OR ALTER PACKAGE parse rules

Author: Noremos

src/dsql/parse-conflicts.txt

@@ -1 +1 @@
-115 shift/reduce conflicts, 22 reduce/reduce conflicts.
+117 shift/reduce conflicts, 22 reduce/reduce conflicts.

src/dsql/parse.y

@@ -863,6 +863,7 @@ using namespace Firebird;
 	Jrd::SetDecFloatTrapsNode* setDecFloatTrapsNode;
 	Jrd::SetBindNode* setBindNode;
 	Jrd::SessionResetNode* sessionResetNode;
+	Jrd::RecreatePackageBodyNode* recreatePackageBodyNode;
 }
 
 %include types.y
@@ -1711,6 +1712,7 @@ replace_clause
 	| FUNCTION replace_function_clause			{ $$ = $2; }
 	| TRIGGER replace_trigger_clause			{ $$ = $2; }
 	| PACKAGE replace_package_clause			{ $$ = $2; }
+	| PACKAGE BODY replace_package_body_clause	{ $$ = $3; }
 	| VIEW replace_view_clause					{ $$ = $2; }
 	| EXCEPTION replace_exception_clause		{ $$ = $2; }
 	| GENERATOR replace_sequence_clause			{ $$ = $2; }
@@ -3228,6 +3230,12 @@ package_body_item
 	;
 
 
+%type <recreatePackageBodyNode> replace_package_body_clause
+replace_package_body_clause
+	: package_body_clause
+		{ $$ = newNode<RecreatePackageBodyNode>($1); }
+	;
+
 %type <localDeclarationsNode> local_declarations_opt
 local_declarations_opt
 	: local_forward_declarations_opt local_nonforward_declarations_opt
@@ -4294,6 +4302,7 @@ alter_clause
 	| TRIGGER alter_trigger_clause			{ $$ = $2; }
 	| PROCEDURE alter_procedure_clause		{ $$ = $2; }
 	| PACKAGE alter_package_clause			{ $$ = $2; }
+	| PACKAGE BODY replace_package_body_clause	{ $$ = $3; }
 	| DATABASE
 			{ $<alterDatabaseNode>$ = newNode<AlterDatabaseNode>(); }
 		alter_db($<alterDatabaseNode>2)