From: villberg <villberg@ac1ea38d-2e2b-0410-8846-a27921b304fc>
Date: Tue, 26 Aug 2014 04:53:28 +0000 (+0000)
Subject: refs #5224
X-Git-Tag: v1.29.0~211
X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=commitdiff_plain;h=ce1fbdac2ca6fd078e554d0226c72fb9a355f9bd;p=simantics%2Fsysdyn.git

refs #5224

git-svn-id: https://www.simantics.org/svn/simantics/sysdyn/trunk@30132 ac1ea38d-2e2b-0410-8846-a27921b304fc
---

diff --git a/fi.semantum.sysdyn.solver/src/fi/semantum/sysdyn/solver/Parser.java b/fi.semantum.sysdyn.solver/src/fi/semantum/sysdyn/solver/Parser.java
index e2c722d7..f9a17730 100644
--- a/fi.semantum.sysdyn.solver/src/fi/semantum/sysdyn/solver/Parser.java
+++ b/fi.semantum.sysdyn.solver/src/fi/semantum/sysdyn/solver/Parser.java
@@ -382,20 +382,22 @@ public class Parser {
 						}
 					}
 				}
-				ArrayList<Object> declarations = (ArrayList<Object>)composition.get(0);
-				for(Object os_ : declarations) {
-					if(os_ instanceof VariableDeclaration) {
-						VariableDeclaration decl = (VariableDeclaration)os_;
-						if("input".equals(decl.direction)) function.inputs.add(decl);
-						else if ("output".equals(decl.direction)) function.outputs.add(decl);
-						else throw new IllegalStateException();
-					} else {
-						ArrayList<Object> os = (ArrayList<Object>)os_;
-						for(Object o : os) {
-							VariableDeclaration decl = (VariableDeclaration)o;
+				if(!composition.isEmpty()) {
+					ArrayList<Object> declarations = (ArrayList<Object>)composition.get(0);
+					for(Object os_ : declarations) {
+						if(os_ instanceof VariableDeclaration) {
+							VariableDeclaration decl = (VariableDeclaration)os_;
 							if("input".equals(decl.direction)) function.inputs.add(decl);
 							else if ("output".equals(decl.direction)) function.outputs.add(decl);
 							else throw new IllegalStateException();
+						} else {
+							ArrayList<Object> os = (ArrayList<Object>)os_;
+							for(Object o : os) {
+								VariableDeclaration decl = (VariableDeclaration)o;
+								if("input".equals(decl.direction)) function.inputs.add(decl);
+								else if ("output".equals(decl.direction)) function.outputs.add(decl);
+								else throw new IllegalStateException();
+							}
 						}
 					}
 				}