import java_cup.runtime.ComplexSymbolFactory;
import java_cup.runtime.ScannerBuffer;
import java.io.*;
+import java.util.Arrays;
+import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
private Map<String,String> mapPrimitives;
private Map<String,String> mapNonPrimitivesJava;
private Map<String,String> mapNonPrimitivesCplus;
+ // Other data structures
+ private Map<String,Integer> mapIntfaceObjId; // Maps interface name to object Id
private PrintWriter pw;
private String dir;
private String subdir;
mapIntfacePTH = new HashMap<String,ParseTreeHandler>();
mapIntDeclHand = new HashMap<String,DeclarationHandler>();
mapInt2NewInts = new HashMap<String,Map<String,Set<String>>>();
+ mapIntfaceObjId = new HashMap<String,Integer>();
mapPrimitives = new HashMap<String,String>();
arraysToMap(mapPrimitives, IoTRMITypes.primitivesJava, IoTRMITypes.primitivesCplus);
mapNonPrimitivesJava = new HashMap<String,String>();
/**
- * setParseTree() sets parse tree based on policy files.
+ * setDataStructures() sets parse tree and other data structures based on policy files.
* <p>
* It also generates parse tree (ParseTreeHandler) and
* copies useful information from parse tree into
* returned from tree-parsing for further process.
*
*/
- public void setParseTree(String origInt, ParseNode pnPol, ParseNode pnReq) {
+ public void setDataStructures(String origInt, ParseNode pnPol, ParseNode pnReq) {
ParseTreeHandler ptHandler = new ParseTreeHandler(origInt, pnPol, pnReq);
DeclarationHandler decHandler = new DeclarationHandler();
-
// Process ParseNode and generate Declaration objects
ptHandler.processInterfaceDecl();
InterfaceDecl intDecl = ptHandler.getInterfaceDecl();
mapIntfacePTH.put(origInt, ptHandler);
mapIntDeclHand.put(origInt, decHandler);
+ // Set object Id counter to 0 for each interface
+ mapIntfaceObjId.put(origInt, new Integer(0));
+ //System.out.println("\nInterface: " + origInt + "\n\n");
}
}
+ /**
+ * HELPER: writePropertiesJavaStub() writes the properties of the stub class
+ */
+ private void writePropertiesJavaStub(String intface) {
+
+ println("private IoTRMICall rmiCall;");
+ //println("private IoTRMIObject rmiObj;");
+ println("private String address;");
+ println("private int[] ports;\n");
+ // Get the object Id
+ Integer objId = mapIntfaceObjId.get(intface);
+ println("private final static int objectId = " + objId + ";");
+ mapIntfaceObjId.put(intface, objId++);
+ println("\n");
+ }
+
+
+ /**
+ * HELPER: writeConstructorJavaStub() writes the constructor of the stub class
+ */
+ private void writeConstructorJavaStub(String intface) {
+
+ println("public " + intface + "(int _port, String _address, int _rev, int[] _ports) throws Exception {");
+ println("address = _address;");
+ println("ports = _ports;");
+ println("rmiCall = new IoTRMICall(_port, _address, _rev);");
+ println("}\n");
+ }
+
+
+ /**
+ * HELPER: writeStdMethodBodyJavaStub() writes the standard method body in the stub class
+ */
+ private void writeStdMethodBodyJavaStub(InterfaceDecl intDecl, List<String> methParams,
+ List<String> methPrmTypes, String method) {
+
+ println("int methodId = " + intDecl.getMethodNumId(method) + ";");
+ String retType = intDecl.getMethodType(method);
+ println("Class<?> retType = " + getSimpleType(retType) + ".class;");
+ // Generate array of parameter types
+ print("Class<?>[] paramCls = new Class<?>[] { ");
+ for (int i = 0; i < methParams.size(); i++) {
+ print(getSimpleType(methPrmTypes.get(i)) + ".class");
+ // Check if this is the last element (don't print a comma)
+ if (i != methParams.size() - 1) {
+ print(", ");
+ }
+ }
+ println(" };");
+ // Generate array of parameter objects
+ print("Object[] paramObj = new Object[] { ");
+ for (int i = 0; i < methParams.size(); i++) {
+ print(getSimpleIdentifier(methParams.get(i)));
+ // Check if this is the last element (don't print a comma)
+ if (i != methParams.size() - 1) {
+ print(", ");
+ }
+ }
+ println(" };");
+ // Check if this is "void"
+ if (retType.equals("void")) {
+ println("rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);");
+ } else { // We do have a return value
+ // Check if the return value NONPRIMITIVES
+ if (getParamCategory(retType) == ParamCategory.NONPRIMITIVES) {
+ String[] retGenValType = getTypeOfGeneric(retType);
+ println("Class<?> retGenValType = " + retGenValType[0] + ".class;");
+ println("Object retObj = rmiCall.remoteCall(objectId, methodId, retType, retGenValType, paramCls, paramObj);");
+ println("return (" + retType + ")retObj;");
+ } else {
+ println("Object retObj = rmiCall.remoteCall(objectId, methodId, retType, null, paramCls, paramObj);");
+ println("return (" + retType + ")retObj;");
+ }
+ }
+ }
+
+
/**
* HELPER: writeMethodJavaStub() writes the method of the stub class
*/
}
}
println(") {");
- // Check if this is not "void"
- if (!intDecl.getMethodType(method).equals("void")) {
- String retStmt = generateReturnStmt(intDecl.getMethodType(method));
- println("return " + retStmt + ";");
- }
- println("}"); println("");
+ // Now, write the body of stub!
+ writeStdMethodBodyJavaStub(intDecl, methParams, methPrmTypes, method);
+ println("}\n");
}
}
InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface);
// Pass in set of methods and get import classes
Set<String> importClasses = getImportClasses(intMeth.getValue(), intDecl);
- printImportStatements(importClasses);
+ List<String> stdImportClasses = getStandardJavaImportClasses();
+ List<String> allImportClasses = getAllImportClasses(stdImportClasses, importClasses);
+ printImportStatements(allImportClasses); println("");
// Write interface header
- println("");
- println("public class " + newStubClass + " implements " + newIntface + " {");
- println("");
+ println("public class " + newStubClass + " implements " + newIntface + " {\n");
+ // Write properties
+ writePropertiesJavaStub(intface);
+ // Write constructor
+ writeConstructorJavaStub(newStubClass);
// Write methods
writeMethodJavaStub(intMeth.getValue(), intDecl);
println("}");
List<String> methParams = intDecl.getMethodParams(method);
List<String> methPrmTypes = intDecl.getMethodParamTypes(method);
- print("virtual " + convertType(intDecl.getMethodType(method)) + " " +
+ print("virtual " + checkAndGetCplusType(intDecl.getMethodType(method)) + " " +
intDecl.getMethodId(method) + "(");
for (int i = 0; i < methParams.size(); i++) {
// Check for params with driver class types and exchange it
FileWriter fw = new FileWriter(dir + "/" + intface + ".hpp");
pw = new PrintWriter(new BufferedWriter(fw));
// Write file headers
+ println("#ifndef _" + intface.toUpperCase() + "_HPP__");
+ println("#define _" + intface.toUpperCase() + "_HPP__");
println("#include <iostream>");
// Pass in set of methods and get include classes
DeclarationHandler decHandler = mapIntDeclHand.get(intface);
InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface);
List<String> methods = intDecl.getMethods();
Set<String> includeClasses = getIncludeClasses(methods, intDecl);
- printIncludeStatements(includeClasses);
- println("");
- println("using namespace std;");
- println("");
- println("class " + intface);
- println("{");
+ printIncludeStatements(includeClasses); println("");
+ println("using namespace std;\n");
+ println("class " + intface); println("{");
println("public:");
// Write methods
writeMethodCplusInterface(methods, intDecl);
- print("}");
- println(";");
+ println("};");
+ println("#endif");
pw.close();
System.out.println("IoTCompiler: Generated local interface " + intface + ".hpp...");
}
DeclarationHandler decHandler = mapIntDeclHand.get(intface);
InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface);
// Write file headers
+ println("#ifndef _" + newIntface.toUpperCase() + "_HPP__");
+ println("#define _" + newIntface.toUpperCase() + "_HPP__");
println("#include <iostream>");
// Pass in set of methods and get import classes
Set<String> includeClasses = getIncludeClasses(intMeth.getValue(), intDecl);
- printIncludeStatements(includeClasses);
- println("");
- println("using namespace std;");
- println("");
+ List<String> stdIncludeClasses = getStandardCplusIncludeClasses();
+ List<String> allIncludeClasses = getAllImportClasses(stdIncludeClasses, includeClasses);
+ printIncludeStatements(allIncludeClasses); println("");
+ println("using namespace std;\n");
println("class " + newIntface);
println("{");
println("public:");
// Write methods
writeMethodCplusInterface(intMeth.getValue(), intDecl);
- print("}");
- println(";");
+ println("};");
+ println("#endif");
pw.close();
System.out.println("IoTCompiler: Generated interface " + newIntface + ".hpp...");
}
List<String> methParams = intDecl.getMethodParams(method);
List<String> methPrmTypes = intDecl.getMethodParamTypes(method);
- print(convertType(intDecl.getMethodType(method)) + " " +
+ print(checkAndGetCplusType(intDecl.getMethodType(method)) + " " +
intDecl.getMethodId(method) + "(");
for (int i = 0; i < methParams.size(); i++) {
String methPrmType = checkAndGetCplusType(methPrmTypes.get(i));
}
}
println(") { ");
- // Check if this is not "void"
- if (!intDecl.getMethodType(method).equals("void")) {
- String retStmt = generateReturnStmt(intDecl.getMethodType(method));
- if (retStmt.equals("null")) { // null = NULL in C++
- retStmt = "NULL";
- }
- println("return " + retStmt + ";");
+ writeStdMethodBodyCplusStub(intDecl, methParams, methPrmTypes, method);
+ println("}\n");
+ }
+ }
+
+
+ /**
+ * HELPER: writeStdMethodBodyCplusStub() writes the standard method body in the stub class
+ */
+ private void writeStdMethodBodyCplusStub(InterfaceDecl intDecl, List<String> methParams,
+ List<String> methPrmTypes, String method) {
+
+ println("int numParam = " + methParams.size() + ";");
+ println("int methodId = " + intDecl.getMethodNumId(method) + ";");
+ String retType = intDecl.getMethodType(method);
+ println("string retType = \"" + checkAndGetCplusType(retType) + "\";");
+ // Generate array of parameter types
+ print("string paramCls[] = { ");
+ for (int i = 0; i < methParams.size(); i++) {
+ print("\"" + checkAndGetCplusType(methPrmTypes.get(i)) + "\"");
+ // Check if this is the last element (don't print a comma)
+ if (i != methParams.size() - 1) {
+ print(", ");
}
- println("}"); println("");
}
+ println(" };");
+ // Generate array of parameter objects
+ print("void* paramObj[] = { ");
+ for (int i = 0; i < methParams.size(); i++) {
+ print("&" + checkAndGetCplusType(getSimpleIdentifier(methParams.get(i))));
+ // Check if this is the last element (don't print a comma)
+ if (i != methParams.size() - 1) {
+ print(", ");
+ }
+ }
+ println(" };");
+ // Check if this is "void"
+ if (retType.equals("void")) {
+ println("void* retObj = NULL;");
+ println("rmiCall->remoteCall(objectId, methodId, retType, paramCls, paramObj, numParam, retObj);");
+ } else { // We do have a return value
+ if (getParamCategory(retType) == ParamCategory.NONPRIMITIVES)
+ println(checkAndGetCplusType(retType) + " retVal;");
+ else
+ println(checkAndGetCplusType(retType) + " retVal = " + generateCplusInitializer(retType) + ";");
+ println("void* retObj = &retVal;");
+ println("rmiCall->remoteCall(objectId, methodId, retType, paramCls, paramObj, numParam, retObj);");
+ println("return retVal;");
+ }
+ }
+
+
+ /**
+ * HELPER: writePropertiesCplusStub() writes the properties of the stub class
+ */
+ private void writePropertiesCplusStub(String intface) {
+
+ println("IoTRMICall\t\t\t*rmiCall;");
+ //println("IoTRMIObject\t\t\t*rmiObj;");
+ println("string\t\t\t\taddress;");
+ println("vector<int>\t\t\tports;\n");
+ // Get the object Id
+ Integer objId = mapIntfaceObjId.get(intface);
+ println("const static int\tobjectId = " + objId + ";");
+ mapIntfaceObjId.put(intface, objId++);
+ println("\n");
+ }
+
+
+ /**
+ * HELPER: writeConstructorCplusStub() writes the constructor of the stub class
+ */
+ private void writeConstructorCplusStub(String newStubClass) {
+
+ println(newStubClass +
+ "(int _port, const char* _address, int _rev, bool* _bResult, vector<int> _ports) {");
+ println("address = _address;");
+ println("ports = _ports;");
+ println("rmiCall = new IoTRMICall(_port, _address, _rev, _bResult);");
+ println("}\n");
+ }
+
+
+ /**
+ * HELPER: writeDeconstructorCplusStub() writes the deconstructor of the stub class
+ */
+ private void writeDeconstructorCplusStub(String newStubClass) {
+
+ println("~" + newStubClass + "() {");
+ println("if (rmiCall != NULL) {");
+ println("delete rmiCall;");
+ println("rmiCall = NULL;");
+ println("}");
+ println("}");
+ println("");
+ // Check if this is callback!!! and print "delete rmiObj and vecCBObj"
}
FileWriter fw = new FileWriter(path + "/" + newStubClass + ".hpp");
pw = new PrintWriter(new BufferedWriter(fw));
// Write file headers
+ println("#ifndef _" + newStubClass.toUpperCase() + "_HPP__");
+ println("#define _" + newStubClass.toUpperCase() + "_HPP__");
println("#include <iostream>");
println("#include \"" + newIntface + ".hpp\""); println("");
println("using namespace std;"); println("");
println("class " + newStubClass + " : public " + newIntface); println("{");
- println("public:"); println("");
+ println("private:\n");
+ writePropertiesCplusStub(intface);
+ println("public:\n");
// Add default constructor and destructor
println(newStubClass + "() { }"); println("");
- println("~" + newStubClass + "() { }"); println("");
+ writeConstructorCplusStub(newStubClass);
+ writeDeconstructorCplusStub(newStubClass);
DeclarationHandler decHandler = mapIntDeclHand.get(intface);
InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface);
// Write methods
writeMethodCplusStub(intMeth.getValue(), intDecl);
print("}"); println(";");
+ println("#endif");
pw.close();
System.out.println("IoTCompiler: Generated stub class " + newIntface + ".hpp...");
}
}
+ /**
+ * generateInitializer() generate initializer based on type
+ */
+ public String generateCplusInitializer(String type) {
+
+ // Generate dummy returns for now
+ if (type.equals("short")||
+ type.equals("int") ||
+ type.equals("long") ||
+ type.equals("float")||
+ type.equals("double")) {
+
+ return "0";
+ } else if ( type.equals("String") ||
+ type.equals("string")) {
+
+ return "\"\"";
+ } else if ( type.equals("char") ||
+ type.equals("byte")) {
+
+ return "\' \'";
+ } else if ( type.equals("boolean")) {
+
+ return "false";
+ } else {
+ return "NULL";
+ }
+ }
+
+
/**
* generateReturnStmt() generate return statement based on methType
*/
newline=false;
}
+
/**
* This function converts Java to C++ type for compilation
*/
}
+ // Generate a set of standard classes for import statements
+ private List<String> getStandardJavaImportClasses() {
+
+ List<String> importClasses = new ArrayList<String>();
+ // Add the standard list first
+ importClasses.add("java.io.IOException");
+ importClasses.add("java.util.List");
+ importClasses.add("java.util.ArrayList");
+ importClasses.add("iotrmi.Java.IoTRMICall");
+ importClasses.add("iotrmi.Java.IoTRMIObject");
+
+ return importClasses;
+ }
+
+
+ // Generate a set of standard classes for import statements
+ private List<String> getStandardCplusIncludeClasses() {
+
+ List<String> importClasses = new ArrayList<String>();
+ // Add the standard list first
+ importClasses.add("<vector>");
+ importClasses.add("\"IoTRMICall.hpp\"");
+ importClasses.add("\"IoTRMIObject.hpp\"");
+
+ return importClasses;
+ }
+
+
+ // Generate a set of standard classes for import statements
+ private List<String> getAllImportClasses(Collection<String> stdImportClasses, Collection<String> importClasses) {
+
+ List<String> allImportClasses = new ArrayList<String>(stdImportClasses);
+ // Iterate over the list of import classes
+ for (String str : importClasses) {
+ if (!stdImportClasses.contains(str)) {
+ stdImportClasses.add(str);
+ }
+ }
+
+ return allImportClasses;
+ }
+
+
+
// Generate a set of classes for import statements
private Set<String> getImportClasses(Collection<String> methods, InterfaceDecl intDecl) {
}
- private void printImportStatements(Set<String> importClasses) {
+ private void printImportStatements(Collection<String> importClasses) {
for(String cls : importClasses) {
println("import " + cls + ";");
}
- private void printIncludeStatements(Set<String> includeClasses) {
+ private void printIncludeStatements(Collection<String> includeClasses) {
for(String cls : includeClasses) {
println("#include " + cls);
}
+ // This helper function strips off array declaration, e.g. D[] becomes D
+ private String getSimpleIdentifier(String ident) {
+
+ // Handle [ for array declaration
+ String substr = ident;
+ if (ident.contains("[]")) {
+ substr = ident.split("\\[\\]")[0];
+ }
+ return substr;
+ }
+
+
private String checkAndGetCplusType(String paramType) {
if (getParamCategory(paramType) == ParamCategory.PRIMITIVES) {
ParseNode pnReq = IoTCompiler.parseFile(args[i+1]);
// Get interface name
String intface = ParseTreeHandler.getOrigIntface(pnPol);
- comp.setParseTree(intface, pnPol, pnReq);
+ comp.setDataStructures(intface, pnPol, pnReq);
comp.getMethodsForIntface(intface);
i = i + 2;
// 1) Check if this is the last option before "-java" or "-cplus"
projects / iot2.git / blobdiff