private String createCodeForFunctionApplication(FunctionApplication funApp) {
addImports("de.uni_koblenz.jgralab.greql2.funlib.FunLib");
// create static field to access function
FunctionId funId = (FunctionId) funApp.getFirst_isFunctionIdOf_omega().getThat();
Function function = FunLib.getFunctionInfo(funId.get_name()).getFunction();
String functionName = function.getClass().getName();
String functionSimpleName = function.getClass().getSimpleName();
if (functionSimpleName.contains("."))
functionSimpleName = functionSimpleName.substring(functionSimpleName.lastIndexOf("."));
addStaticField(
functionName,
functionSimpleName + "_" + functionNumber,
"("
+ functionName
+ ") FunLib.getFunctionInfo(\""
+ funId.get_name()
+ "\").getFunction()");
// create code list to evaluate function
CodeList list = new CodeList();
list.add(new CodeSnippet("return " + functionSimpleName + "_" + functionNumber + ".evaluate("));
functionNumber++;
String delim = "";
Method[] methods = function.getClass().getMethods();
Method evaluateMethod = null;
for (Method m : methods) {
if (m.getName() == "evaluate") evaluateMethod = m;
}
Class<?>[] paramTypes = evaluateMethod.getParameterTypes();
int currentParam = 0;
for (IsArgumentOf_isArgumentOf_omega argInc :
funApp.getIsArgumentOf_isArgumentOf_omegaIncidences()) {
Expression expr = (Expression) argInc.getThat();
CodeSnippet argEvalSnippet = new CodeSnippet();
String cast = "(" + paramTypes[currentParam++].getCanonicalName() + ")";
argEvalSnippet.add("\t\t" + delim + cast + createCodeForExpression(expr));
delim = ",";
list.add(argEvalSnippet);
}
list.add(new CodeSnippet(");"));
return createMethod(list);
}