public Node typeCheck(TypeChecker tc) throws SemanticException { JL5Call_c n = null; JL5TypeSystem ts = (JL5TypeSystem) tc.typeSystem(); JL5Context c = (JL5Context) tc.context(); ReferenceType targetType = null; List<Type> explicitTypeArgs = null; List<Type> paramTypes = new ArrayList<Type>(); if (typeArguments != null && !typeArguments.isEmpty()) { explicitTypeArgs = new ArrayList<Type>(); if (target() == null) { // should not actually happen. grammar doesn't allow it throw new SemanticException( "Explicit target required when using explicit type arguments", position()); } for (Iterator it = typeArguments().iterator(); it.hasNext(); ) { explicitTypeArgs.add(((TypeNode) it.next()).type()); } } for (Iterator i = this.arguments().iterator(); i.hasNext(); ) { Expr e = (Expr) i.next(); paramTypes.add(e.type()); } JL5MethodInstance mi; // JLS 15.12.1 if (target == null) { return typeCheckNullTarget(tc, paramTypes, explicitTypeArgs); } else { targetType = this.findTargetType(); mi = ts.findJL5Method(targetType, name, paramTypes, explicitTypeArgs, c); } boolean staticContext = (this.target instanceof TypeNode); if (staticContext && !mi.flags().isStatic()) { throw new SemanticException( "Cannot call non-static method " + this.name + " of " + targetType + " in static " + "context.", this.position()); } if (this.target instanceof Special && ((Special) this.target).kind() == Special.SUPER && mi.flags().isAbstract()) { throw new SemanticException( "Cannot call an abstract method " + "of the super class", this.position()); } n = (JL5Call_c) this.methodInstance(mi).type(mi.returnType()); // n.checkConsistency(c); return n; }