- cases can have empty patterns

- fixes DAELow.mo so empty pattern () was replaced by _ git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@2588 f25d12d1-65f4-0310-ae8a-bbce733d8d8e
OpenModelica · Nov 2, 2006 · 5033135 · 5033135
1 parent eb09eb8
commit 5033135
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Showing 4 changed files with 4 additions and 4 deletions.
diff --git a/Compiler/DAELow.mo b/Compiler/DAELow.mo
@@ -425,7 +425,7 @@ protected function dumpDAELowEqnList2
   input list<Equation> inDAELowEqnList;
   input Boolean printExpTree;
 algorithm
-  ():=
+  _ :=
    matchcontinue (inDAELowEqnList,printExpTree)
     local
       Exp.Exp e1_1,e2_1,e1,e2,e_1,e;

diff --git a/Compiler/absyn_builder/walker.g b/Compiler/absyn_builder/walker.g
@@ -1809,7 +1809,7 @@ cases returns [void* ast]
 	;
 
 pattern returns [void* ast]:
-	ast = expression
+	ast = expression_or_empty
 	;
 
 

diff --git a/flat_modelica_parser/src/flat_modelica_parser.g b/flat_modelica_parser/src/flat_modelica_parser.g
@@ -780,7 +780,7 @@ onecase:
 	;
 
 pattern:
-	expression
+	expression_or_empty
 	;
 
 if_expression :

diff --git a/modelica_parser/src/modelica_parser.g b/modelica_parser/src/modelica_parser.g
@@ -772,7 +772,7 @@ onecase:
 	;
 
 pattern:
-	expression
+	expression_or_empty
 	;
 
 if_expression :