+ added basic support for conditionals (no else if support yet)

Change-Id: I89b79bd7cb503736eddffffe1b4fdb8409c059d3
Signed-off-by: makedonski <makedonski@informatik.uni-goettingen.de>

plugins/org.etsi.mts.tdl.ttcn3/epsilon/ttcn3mapping.etl

@@ -1654,8 +1654,61 @@ operation TDL!UnboundedLoopBehaviour execute() {
     }
 }
 
+
+operation TDL!ConditionalBehaviour execute() {
+    var guards = self.block.get(0).`guard`;
+
+    for (le in guards) {
+        currentScope = le.scope;
+        var sc = self.getMainContext(le.scope);
+        var sb = stack.get(sc).last();
+    
+        var tsl = new TTCN!FunctionStatementList();
+        sb.stat.add(tsl);
+        
+        var sfs = new TTCN!FunctionStatement();
+        sfs.basic = new TTCN!BasicStatements();
+        sfs.basic.conditional = new TTCN!ConditionalConstruct();
+        
+        //condition
+        sfs.basic.conditional.expression = le.expression.getDataUseValue();
+    
+        tsl.statements.add(sfs);
+    
+        //main block    
+        var block = new TTCN!StatementBlock();
+        sfs.basic.conditional.statement = block;
+            
+        var cf = self.getMainContext(le.scope);
+        stack.get(cf).add(block);
+        
+        for (b in self.block.get(0).behaviour) {
+            b.execute();
+        }
+        
+        stack.get(cf).remove(block);
+
+        //TODO: else ifs
+        //else block
+        if (self.block.size() > 1) {
+	        sfs.basic.conditional.`else` = new TTCN!ElseClause();
+	        
+	        var eBlock = new TTCN!StatementBlock();
+	        sfs.basic.conditional.`else`.statement = eBlock;
+	            
+	        stack.get(cf).add(eBlock);
+            for (b in self.block.last().behaviour) {
+                b.execute();
+            }
+            stack.get(cf).remove(eBlock);
+        }
+
+        currentScope = null;
+    }
+}
+
+
 operation TDL!tdl::Assignment execute() {
-    //TODO
     var ci = self.variable.componentInstance;
     if (simulateSUT or ci.role = TDL!ComponentInstanceRole#Tester) {
         var sc = self.getMainContext(ci);
@@ -1679,7 +1732,6 @@ operation TDL!tdl::Assignment execute() {
 
         sb.stat.add(ssl);
     }
-
 }
 
 operation TDL!Assertion execute() {