Changeset 13 in default for trunk/de.ugoe.cs.swe.bnftools.ebnf/src/de/ugoe/cs/swe/bnftools

Timestamp:

10/22/10 16:14:33 (14 years ago)

Author:

zeiss

Message:

 

File:

• trunk/de.ugoe.cs.swe.bnftools.ebnf/src/de/ugoe/cs/swe/bnftools/Ebnf.xtext (modified) (1 diff)

trunk/de.ugoe.cs.swe.bnftools.ebnf/src/de/ugoe/cs/swe/bnftools/Ebnf.xtext

@@ -11 +11 @@
         'grammar' name=ID
         (       type='/bnf'? ';' 
-                (imports+=Import)* 
-                (rule+=Rule | sectionheader+=SectionHeading)+ 
+                (importSection=ImportSection)?
+                (bnfEntry+=BnfEntry)+ 
         )
         | 
         (       type='/delta' ';'
-                (imports+=Import)* 
-                (rule+=Rule | sectionheader+=SectionHeading | extRule+=ExtRule)*
+                (importSection=ImportSection)?
+                (deltaEntry+=DeltaEntry)*
         )
         | 
         (       type='/merge' ';' 
-                (imports+=Import)* 
-                (sectionheader+=SectionHeading | mergeRule+=MergeRule)* 
+                (importSection=ImportSection)?
+                (mergeEntry+=MergeEntry)* 
         )
 ;
 
+ImportSection:
+        (imports+=Import)+
+;
+
+BnfEntry:
+        sectionheader=SectionHeading | rule=Rule
+;
+
+DeltaEntry:
+        rule=Rule | sectionheader=SectionHeading | extRule=ExtRule
+;
+
+MergeEntry:
+        sectionheader=SectionHeading | mergeRule=MergeRule
+;
 
 SectionHeading: