Changeset bf20567

Timestamp:

Feb 25, 2023, 11:01:28 AM (21 months ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

ADT, ast-experimental, master

Children:

be00a2d

Parents:

b1ad41f

Message:

generate error for empty mutex argument list

File:

• src/Parser/parser.yy (modified) (3 diffs)

src/Parser/parser.yy

@@ -10 +10 @@
 // Created On       : Sat Sep  1 20:22:55 2001
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Fri Feb 24 14:46:55 2023
-// Update Count     : 5983
+// Last Modified On : Sat Feb 25 09:52:06 2023
+// Update Count     : 5986
 //
 
@@ -1173 +1173 @@
         comma_expression_opt ';'
                 { $$ = new StatementNode( build_expr( $1 ) ); }
-        | MUTEX '(' ')' comma_expression ';'
-                { $$ = new StatementNode( build_mutex( nullptr, new StatementNode( build_expr( $4 ) ) ) ); }
         ;
 
@@ -1584 +1582 @@
         ;
 
-// If MUTEX becomes a general qualifier, there are shift/reduce conflicts, so change syntax to "with mutex".
+// If MUTEX becomes a general qualifier, there are shift/reduce conflicts, so possibly change syntax to "with mutex".
 mutex_statement:
-        MUTEX '(' argument_expression_list ')' statement
-                { $$ = new StatementNode( build_mutex( $3, $5 ) ); }
+        MUTEX '(' argument_expression_list_opt ')' statement
+                {
+                        if ( ! $3 ) { SemanticError( yylloc, "mutex argument list cannot be empty." ); $$ = nullptr; }
+                        $$ = new StatementNode( build_mutex( $3, $5 ) );
+                }
         ;