Allow an empty document

lszeremeta · Jun 22, 2020 · 23e18c8 · 23e18c8
1 parent 36e0b99
commit 23e18c8
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Showing 3 changed files with 3 additions and 3 deletions.
diff --git a/docs/index.html b/docs/index.html
@@ -398,7 +398,7 @@ <h2>YARS-PG Grammar</h2>
 <td><code>yarspg</code></td>
 <td>::=</td>
 <td>
-statement+
+statement*
 </td>
 </tr>
 <tr id='grammar-production-statement'>

diff --git a/other-notations/YARSpg.ebnf b/other-notations/YARSpg.ebnf
@@ -33,7 +33,7 @@
  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 */
 
-yarspg   ::= statement+
+yarspg   ::= statement*
 statement
          ::= node
            | edge

diff --git a/yarspg/YARSpg.g4 b/yarspg/YARSpg.g4
@@ -27,7 +27,7 @@
 grammar YARSpg;
 
 yarspg
-    : statement+ EOF
+    : statement* EOF
     ;
 
 statement