import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
+import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import iotpolicy.tree.ParseNode;
import iotpolicy.tree.ParseNodeVector;
import iotpolicy.tree.ParseTreeHandler;
+import iotpolicy.tree.Declaration;
+import iotpolicy.tree.DeclarationHandler;
import iotpolicy.tree.CapabilityDecl;
import iotpolicy.tree.InterfaceDecl;
import iotpolicy.tree.RequiresDecl;
+import iotrmi.Java.IoTRMITypes;
+
+
/** Class IoTCompiler is the main interface/stub compiler for
* files generation. This class calls helper classes
* such as Parser, Lexer, InterfaceDecl, CapabilityDecl,
/**
* Class properties
*/
- private String origInt;
- private ParseTreeHandler ptHandler;
- private InterfaceDecl intDecl;
- private CapabilityDecl capDecl;
- private RequiresDecl reqDecl;
- private Map<String,Set<String>> mapCapabMethods;
+ // Maps multiple interfaces to multiple objects of ParseTreeHandler
+ private Map<String,ParseTreeHandler> mapIntfacePTH;
+ private Map<String,DeclarationHandler> mapIntDeclHand;
+ private Map<String,Map<String,Set<String>>> mapInt2NewInts;
// Data structure to store our types (primitives and non-primitives) for compilation
- //private Set<String> setPrimitives;
private Map<String,String> mapPrimitives;
private Map<String,String> mapNonPrimitivesJava;
private Map<String,String> mapNonPrimitivesCplus;
*/
private final static String OUTPUT_DIRECTORY = "output_files";
- /**
- * Primitive data types
- */
- private final static String[] primitives = new String[] {
-
- "byte",
- "Byte",
- "short",
- "Short",
- "int",
- "Integer",
- "long",
- "Long",
- "float",
- "Float",
- "double",
- "Double",
- "boolean",
- "Boolean",
- "char",
- "Character",
- "string",
- "String",
- "void"
- };
-
- /**
- * Primitive data types in C++ to map the primitives list
- */
- private final static String[] primitivesCplus = new String[] {
-
- "char",
- "char",
- "short",
- "short",
- "int",
- "int",
- "long",
- "long",
- "float",
- "float",
- "double",
- "double",
- "bool",
- "bool",
- "char",
- "char",
- "string",
- "string",
- "void"
- };
-
- /**
- * Non-primitive data types supported by this compiler
- */
- private final static String[] nonPrimitives = new String[] {
-
- "Set",
- "HashSet",
- "Map",
- "HashMap",
- "List",
- "ArrayList"
- };
-
- /**
- * Non-primitive Java libraries based on the list above
- */
- private final static String[] nonPrimitiveJavaLibs = new String[] {
-
- "java.util.Set",
- "java.util.HashSet",
- "java.util.Map",
- "java.util.HashMap",
- "java.util.List",
- "java.util.ArrayList"
- };
-
- /**
- * Non-primitive C++ libraries based on the list above
- */
- private final static String[] nonPrimitiveCplusLibs = new String[] {
-
- "set",
- "unordered_set",
- "map",
- "unordered_map",
- "list",
- "list"
- };
-
private enum ParamCategory {
PRIMITIVES, // All the primitive types, e.g. byte, short, int, long, etc.
*/
public IoTCompiler() {
- origInt = null;
- ptHandler = new ParseTreeHandler();
- intDecl = null;
- capDecl = null;
- capDecl = null;
- mapCapabMethods = new HashMap<String,Set<String>>();
+ mapIntfacePTH = new HashMap<String,ParseTreeHandler>();
+ mapIntDeclHand = new HashMap<String,DeclarationHandler>();
+ mapInt2NewInts = new HashMap<String,Map<String,Set<String>>>();
mapPrimitives = new HashMap<String,String>();
- arraysToMap(mapPrimitives, primitives, primitivesCplus);
+ arraysToMap(mapPrimitives, IoTRMITypes.primitivesJava, IoTRMITypes.primitivesCplus);
mapNonPrimitivesJava = new HashMap<String,String>();
- arraysToMap(mapNonPrimitivesJava, nonPrimitives, nonPrimitiveJavaLibs);
+ arraysToMap(mapNonPrimitivesJava, IoTRMITypes.nonPrimitivesJava, IoTRMITypes.nonPrimitiveJavaLibs);
mapNonPrimitivesCplus = new HashMap<String,String>();
- arraysToMap(mapNonPrimitivesCplus, nonPrimitives, nonPrimitiveCplusLibs);
- pw = null;
- dir = OUTPUT_DIRECTORY;
- subdir = null;
- }
-
-
- public IoTCompiler(String _origInt, ParseNode _pnPol, ParseNode _pnReq) {
-
- origInt = _origInt;
- ptHandler = new ParseTreeHandler(_origInt, _pnPol, _pnReq);
- intDecl = null;
- capDecl = null;
- reqDecl = null;
- mapCapabMethods = new HashMap<String,Set<String>>();
- mapPrimitives = new HashMap<String,String>();
- arraysToMap(mapPrimitives, primitives, primitivesCplus);
- mapNonPrimitivesJava = new HashMap<String,String>();
- arraysToMap(mapNonPrimitivesJava, nonPrimitives, nonPrimitiveJavaLibs);
- mapNonPrimitivesCplus = new HashMap<String,String>();
- arraysToMap(mapNonPrimitivesCplus, nonPrimitives, nonPrimitiveCplusLibs);
+ arraysToMap(mapNonPrimitivesCplus, IoTRMITypes.nonPrimitivesJava, IoTRMITypes.nonPrimitivesCplus);
pw = null;
dir = OUTPUT_DIRECTORY;
subdir = null;
/**
- * parsePolicyFile() parses policy file
+ * setParseTree() sets parse tree based on policy files.
* <p>
- * It also generates parse tree and
+ * It also generates parse tree (ParseTreeHandler) and
* copies useful information from parse tree into
* InterfaceDecl, CapabilityDecl, and RequiresDecl
* data structures.
* returned from tree-parsing for further process.
*
*/
- public void parsePolicyFile() {
+ public void setParseTree(String origInt, ParseNode pnPol, ParseNode pnReq) {
- ptHandler.processInterfaceDecl();
- intDecl = ptHandler.getInterfaceDecl();
+ ParseTreeHandler ptHandler = new ParseTreeHandler(origInt, pnPol, pnReq);
+ DeclarationHandler decHandler = new DeclarationHandler();
+ // Process ParseNode and generate Declaration objects
+ ptHandler.processInterfaceDecl();
+ InterfaceDecl intDecl = ptHandler.getInterfaceDecl();
+ decHandler.addInterfaceDecl(origInt, intDecl);
ptHandler.processCapabilityDecl();
- capDecl = ptHandler.getCapabilityDecl();
-
+ CapabilityDecl capDecl = ptHandler.getCapabilityDecl();
+ decHandler.addCapabilityDecl(origInt, capDecl);
ptHandler.processRequiresDecl();
- reqDecl = ptHandler.getRequiresDecl();
+ RequiresDecl reqDecl = ptHandler.getRequiresDecl();
+ decHandler.addRequiresDecl(origInt, reqDecl);
+
+ mapIntfacePTH.put(origInt, ptHandler);
+ mapIntDeclHand.put(origInt, decHandler);
}
* It is going to give list of methods for a certain interface
* based on the declaration of capabilities.
*/
- public void getMethodsForIntface() {
+ public void getMethodsForIntface(String origInt) {
+ ParseTreeHandler ptHandler = mapIntfacePTH.get(origInt);
+ Map<String,Set<String>> mapNewIntMethods = new HashMap<String,Set<String>>();
// Get set of new interfaces, e.g. CameraWithCaptureAndData
// Generate this new interface with all the methods it needs
// from different capabilities it declares
+ DeclarationHandler decHandler = mapIntDeclHand.get(origInt);
+ RequiresDecl reqDecl = (RequiresDecl) decHandler.getRequiresDecl(origInt);
Set<String> setIntfaces = reqDecl.getInterfaces();
for (String strInt : setIntfaces) {
for (String strCap : listCapab) {
// Get list of methods for each capability
+ CapabilityDecl capDecl = (CapabilityDecl) decHandler.getCapabilityDecl(origInt);
List<String> listCapabMeth = capDecl.getMethods(strCap);
for (String strMeth : listCapabMeth) {
}
}
// Add interface and methods information into map
- mapCapabMethods.put(strInt, setMethods);
+ mapNewIntMethods.put(strInt, setMethods);
}
+ // Map the map of interface-methods to the original interface
+ mapInt2NewInts.put(origInt, mapNewIntMethods);
}
/**
- * generateJavaLocalInterface() writes the local interface to provide type-checking
+ * generateJavaLocalInterface() writes the local interface and provides type-checking.
* <p>
* It needs to rewrite and exchange USERDEFINED types in input parameters of stub
* and original interfaces, e.g. exchange Camera and CameraWithVideoAndRecording.
* The local interface has to be the input parameter for the stub and the stub
* interface has to be the input parameter for the local class.
*/
- public void generateJavaLocalInterface() throws IOException {
+ public void generateJavaLocalInterfaces() throws IOException {
// Create a new directory
createDirectory(dir);
- // Open a new file to write into
- String intface = origInt;
- FileWriter fw = new FileWriter(dir + "/" + intface + ".java");
- pw = new PrintWriter(new BufferedWriter(fw));
- // Pass in set of methods and get import classes
- List<String> methods = intDecl.getMethods();
- Set<String> importClasses = getImportClasses(methods);
- printImportStatements(importClasses);
- // Write interface header
- println("");
- println("public interface " + intface + " {");
- // Write methods
- for (String method : methods) {
-
- List<String> methParams = intDecl.getMethodParams(method);
- List<String> methPrmTypes = intDecl.getMethodParamTypes(method);
- print("public " + intDecl.getMethodType(method) + " " +
- intDecl.getMethodId(method) + "(");
- for (int i = 0; i < methParams.size(); i++) {
- // Check for params with driver class types and exchange it
- // with its remote interface
- String paramType = checkAndGetParamClass(methPrmTypes.get(i));
- print(paramType + " " + methParams.get(i));
- // Check if this is the last element (don't print a comma)
- if (i != methParams.size() - 1) {
- print(", ");
- }
- }
- println(");");
- }
- println("}");
- pw.close();
- System.out.println("IoTCompiler: Generated local interface " + intface + ".java...");
- }
-
-
- /**
- * generateCplusLocalInterface() writes the local interface to provide type-checking
- * <p>
- * It needs to rewrite and exchange USERDEFINED types in input parameters of stub
- * and original interfaces, e.g. exchange Camera and CameraWithVideoAndRecording.
- * The local interface has to be the input parameter for the stub and the stub
- * interface has to be the input parameter for the local class.
- */
- public void generateCplusLocalInterface() throws IOException {
-
- // Create a new directory
- createDirectory(dir);
- // Open a new file to write into
- String intface = origInt;
- FileWriter fw = new FileWriter(dir + "/" + intface + ".hpp");
- pw = new PrintWriter(new BufferedWriter(fw));
- // Write file headers
- println("#include <iostream>");
- // Pass in set of methods and get import classes
- List<String> methods = intDecl.getMethods();
- Set<String> includeClasses = getIncludeClasses(methods);
- printIncludeStatements(includeClasses);
- println("");
- println("using namespace std;");
- println("");
- println("class " + intface);
- println("{");
- println("public:");
- // Write methods
- for (String method : methods) {
-
- List<String> methParams = intDecl.getMethodParams(method);
- List<String> methPrmTypes = intDecl.getMethodParamTypes(method);
- print("virtual " + convertType(intDecl.getMethodType(method)) + " " +
- intDecl.getMethodId(method) + "(");
- for (int i = 0; i < methParams.size(); i++) {
- // Check for params with driver class types and exchange it
- // with its remote interface
- String paramType = checkAndGetParamClass(methPrmTypes.get(i));
- paramType = checkAndGetCplusType(paramType);
- print(paramType + " " + methParams.get(i));
- // Check if this is the last element (don't print a comma)
- if (i != methParams.size() - 1) {
- print(", ");
- }
- }
- println(") = 0;");
- }
- print("}");
- println(";");
- pw.close();
- System.out.println("IoTCompiler: Generated local interface " + intface + ".hpp...");
- }
-
-
- /**
- * generateJavaInterfaces() generate stub interfaces based on the methods list in Java
- */
- public void generateJavaInterfaces() throws IOException {
-
- // Create a new directory
- createDirectories(dir, subdir);
- for (Map.Entry<String,Set<String>> intMeth : mapCapabMethods.entrySet()) {
-
+ for (String intface : mapIntfacePTH.keySet()) {
// Open a new file to write into
- String newIntface = intMeth.getKey();
- FileWriter fw = new FileWriter(dir + "/" + subdir + "/" + newIntface + ".java");
+ FileWriter fw = new FileWriter(dir + "/" + intface + ".java");
pw = new PrintWriter(new BufferedWriter(fw));
// Pass in set of methods and get import classes
- Set<String> importClasses = getImportClasses(intMeth.getValue());
+ DeclarationHandler decHandler = mapIntDeclHand.get(intface);
+ InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface);
+ List<String> methods = intDecl.getMethods();
+ Set<String> importClasses = getImportClasses(methods, intDecl);
printImportStatements(importClasses);
// Write interface header
println("");
- println("public interface " + newIntface + " {");
- List<String> meths = intDecl.getMethods();
+ println("public interface " + intface + " {");
// Write methods
- for (String method : intMeth.getValue()) {
+ for (String method : methods) {
List<String> methParams = intDecl.getMethodParams(method);
List<String> methPrmTypes = intDecl.getMethodParamTypes(method);
print("public " + intDecl.getMethodType(method) + " " +
intDecl.getMethodId(method) + "(");
for (int i = 0; i < methParams.size(); i++) {
- print(methPrmTypes.get(i) + " " + methParams.get(i));
+ // Check for params with driver class types and exchange it
+ // with its remote interface
+ String paramType = checkAndGetParamClass(methPrmTypes.get(i), false);
+ print(paramType + " " + methParams.get(i));
// Check if this is the last element (don't print a comma)
if (i != methParams.size() - 1) {
print(", ");
}
println("}");
pw.close();
- System.out.println("IoTCompiler: Generated interface " + newIntface + ".java...");
+ System.out.println("IoTCompiler: Generated local interface " + intface + ".java...");
}
}
/**
- * generateCPlusInterfaces() generate stub interfaces based on the methods list in C++
+ * generateCplusLocalInterfaces() writes the local interfaces and provides type-checking.
* <p>
- * For C++ we use virtual classe as interface
+ * It needs to rewrite and exchange USERDEFINED types in input parameters of stub
+ * and original interfaces, e.g. exchange Camera and CameraWithVideoAndRecording.
+ * The local interface has to be the input parameter for the stub and the stub
+ * interface has to be the input parameter for the local class.
*/
- public void generateCPlusInterfaces() throws IOException {
+ public void generateCplusLocalInterfaces() throws IOException {
// Create a new directory
- createDirectories(dir, subdir);
- for (Map.Entry<String,Set<String>> intMeth : mapCapabMethods.entrySet()) {
-
+ createDirectory(dir);
+ for (String intface : mapIntfacePTH.keySet()) {
// Open a new file to write into
- String newIntface = intMeth.getKey();
- FileWriter fw = new FileWriter(dir + "/" + subdir + "/" + newIntface + ".hpp");
+ FileWriter fw = new FileWriter(dir + "/" + intface + ".hpp");
pw = new PrintWriter(new BufferedWriter(fw));
// Write file headers
println("#include <iostream>");
- // Pass in set of methods and get import classes
- Set<String> includeClasses = getIncludeClasses(intMeth.getValue());
+ // 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();
+
+ // DEBUGGG
+ Set<String> includeClasses = getIncludeClasses(methods, intDecl);
+
printIncludeStatements(includeClasses);
println("");
println("using namespace std;");
println("");
- println("class " + newIntface);
+ println("class " + intface);
println("{");
println("public:");
// Write methods
- for (String method : intMeth.getValue()) {
+ for (String method : methods) {
List<String> methParams = intDecl.getMethodParams(method);
List<String> methPrmTypes = intDecl.getMethodParamTypes(method);
print("virtual " + convertType(intDecl.getMethodType(method)) + " " +
intDecl.getMethodId(method) + "(");
for (int i = 0; i < methParams.size(); i++) {
-
- String methPrmType = checkAndGetCplusType(methPrmTypes.get(i));
- print(methPrmType + " " + methParams.get(i));
+ // Check for params with driver class types and exchange it
+ // with its remote interface
+ String paramType = checkAndGetParamClass(methPrmTypes.get(i), true);
+ paramType = checkAndGetCplusType(paramType);
+ // Check for arrays - translate into vector in C++
+ String paramComplete = checkAndGetCplusArray(paramType, methParams.get(i));
+ //print(paramType + " " + param);
+ print(paramComplete);
// Check if this is the last element (don't print a comma)
if (i != methParams.size() - 1) {
print(", ");
print("}");
println(";");
pw.close();
- System.out.println("IoTCompiler: Generated interface " + newIntface + ".hpp...");
+ System.out.println("IoTCompiler: Generated local interface " + intface + ".hpp...");
}
}
/**
- * generateJavaStubClasses() generate stubs based on the methods list in Java
+ * generateJavaInterfaces() generate stub interfaces based on the methods list in Java
*/
- public void generateJavaStubClasses() throws IOException {
+ public void generateJavaInterfaces() throws IOException {
// Create a new directory
- createDirectories(dir, subdir);
- for (Map.Entry<String,Set<String>> intMeth : mapCapabMethods.entrySet()) {
+ String path = createDirectories(dir, subdir);
+ for (String intface : mapIntfacePTH.keySet()) {
+
+ Map<String,Set<String>> mapNewIntMethods = mapInt2NewInts.get(intface);
+ for (Map.Entry<String,Set<String>> intMeth : mapNewIntMethods.entrySet()) {
+
+ // Open a new file to write into
+ String newIntface = intMeth.getKey();
+ FileWriter fw = new FileWriter(path + "/" + newIntface + ".java");
+ pw = new PrintWriter(new BufferedWriter(fw));
+ DeclarationHandler decHandler = mapIntDeclHand.get(intface);
+ InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface);
+ // Pass in set of methods and get import classes
+ Set<String> importClasses = getImportClasses(intMeth.getValue(), intDecl);
+ printImportStatements(importClasses);
+ // Write interface header
+ println("");
+ println("public interface " + newIntface + " {");
+ List<String> meths = intDecl.getMethods();
+ // Write methods
+ for (String method : intMeth.getValue()) {
+
+ List<String> methParams = intDecl.getMethodParams(method);
+ List<String> methPrmTypes = intDecl.getMethodParamTypes(method);
+ print("public " + intDecl.getMethodType(method) + " " +
+ intDecl.getMethodId(method) + "(");
+ for (int i = 0; i < methParams.size(); i++) {
+ String paramType = checkAndGetParamClass(methPrmTypes.get(i), false);
+ print(paramType + " " + methParams.get(i));
+ //print(methPrmTypes.get(i) + " " + methParams.get(i));
+ // Check if this is the last element (don't print a comma)
+ if (i != methParams.size() - 1) {
+ print(", ");
+ }
+ }
+ println(");");
+ }
+ println("}");
+ pw.close();
+ System.out.println("IoTCompiler: Generated interface " + newIntface + ".java...");
+ }
+ }
+ }
- // Open a new file to write into
- String newIntface = intMeth.getKey();
- String newStubClass = newIntface + "_Stub";
- FileWriter fw = new FileWriter(dir + "/" + subdir + "/" + newStubClass + ".java");
- pw = new PrintWriter(new BufferedWriter(fw));
- // Pass in set of methods and get import classes
- Set<String> importClasses = getImportClasses(intMeth.getValue());
- printImportStatements(importClasses);
- // Write interface header
- println("");
- println("public class " + newStubClass + " implements " + newIntface + " {");
- println("");
- // Write methods
- for (String method : intMeth.getValue()) {
- List<String> methParams = intDecl.getMethodParams(method);
- List<String> methPrmTypes = intDecl.getMethodParamTypes(method);
- print("public " + intDecl.getMethodType(method) + " " +
- intDecl.getMethodId(method) + "(");
- for (int i = 0; i < methParams.size(); i++) {
+ /**
+ * generateCPlusInterfaces() generate stub interfaces based on the methods list in C++
+ * <p>
+ * For C++ we use virtual classe as interface
+ */
+ public void generateCPlusInterfaces() throws IOException {
- print(methPrmTypes.get(i) + " " + methParams.get(i));
- // Check if this is the last element (don't print a comma)
- if (i != methParams.size() - 1) {
- print(", ");
+ // Create a new directory
+ String path = createDirectories(dir, subdir);
+ for (String intface : mapIntfacePTH.keySet()) {
+
+ Map<String,Set<String>> mapNewIntMethods = mapInt2NewInts.get(intface);
+ for (Map.Entry<String,Set<String>> intMeth : mapNewIntMethods.entrySet()) {
+
+ // Open a new file to write into
+ String newIntface = intMeth.getKey();
+ FileWriter fw = new FileWriter(path + "/" + newIntface + ".hpp");
+ pw = new PrintWriter(new BufferedWriter(fw));
+ DeclarationHandler decHandler = mapIntDeclHand.get(intface);
+ InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface);
+ // Write file headers
+ 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("");
+ println("class " + newIntface);
+ println("{");
+ println("public:");
+ // Write methods
+ for (String method : intMeth.getValue()) {
+
+ List<String> methParams = intDecl.getMethodParams(method);
+ List<String> methPrmTypes = intDecl.getMethodParamTypes(method);
+ print("virtual " + convertType(intDecl.getMethodType(method)) + " " +
+ intDecl.getMethodId(method) + "(");
+ for (int i = 0; i < methParams.size(); i++) {
+ String methPrmType = checkAndGetParamClass(methPrmTypes.get(i), true);
+ methPrmType = checkAndGetCplusType(methPrmType);
+ String methParamComplete = checkAndGetCplusArray(methPrmType, methParams.get(i));
+ print(methParamComplete);
+ // Check if this is the last element (don't print a comma)
+ if (i != methParams.size() - 1) {
+ print(", ");
+ }
}
+ println(") = 0;");
}
- println(") {");
- // Check if this is not "void"
- if (!intDecl.getMethodType(method).equals("void")) {
- String retStmt = generateReturnStmt(intDecl.getMethodType(method));
- println("return " + retStmt + ";");
- }
- println("}"); println("");
+ print("}");
+ println(";");
+ pw.close();
+ System.out.println("IoTCompiler: Generated interface " + newIntface + ".hpp...");
}
- println("}");
- pw.close();
- System.out.println("IoTCompiler: Generated stub class " + newStubClass + ".java...");
}
}
/**
- * generateCPlusStubClasses() generate stubs based on the methods list in C++
+ * generateJavaStubClasses() generate stubs based on the methods list in Java
*/
- public void generateCPlusStubClasses() throws IOException {
+ public void generateJavaStubClasses() throws IOException {
// Create a new directory
- createDirectories(dir, subdir);
- for (Map.Entry<String,Set<String>> intMeth : mapCapabMethods.entrySet()) {
+ String path = createDirectories(dir, subdir);
+ for (String intface : mapIntfacePTH.keySet()) {
+
+ Map<String,Set<String>> mapNewIntMethods = mapInt2NewInts.get(intface);
+ for (Map.Entry<String,Set<String>> intMeth : mapNewIntMethods.entrySet()) {
+
+ // Open a new file to write into
+ String newIntface = intMeth.getKey();
+ String newStubClass = newIntface + "_Stub";
+ FileWriter fw = new FileWriter(path + "/" + newStubClass + ".java");
+ pw = new PrintWriter(new BufferedWriter(fw));
+ DeclarationHandler decHandler = mapIntDeclHand.get(intface);
+ InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface);
+ // Pass in set of methods and get import classes
+ Set<String> importClasses = getImportClasses(intMeth.getValue(), intDecl);
+ printImportStatements(importClasses);
+ // Write interface header
+ println("");
+ println("public class " + newStubClass + " implements " + newIntface + " {");
+ println("");
+ // Write methods
+ for (String method : intMeth.getValue()) {
+
+ List<String> methParams = intDecl.getMethodParams(method);
+ List<String> methPrmTypes = intDecl.getMethodParamTypes(method);
+ print("public " + intDecl.getMethodType(method) + " " +
+ intDecl.getMethodId(method) + "(");
+ for (int i = 0; i < methParams.size(); i++) {
+
+ print(methPrmTypes.get(i) + " " + 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 not "void"
+ if (!intDecl.getMethodType(method).equals("void")) {
+ String retStmt = generateReturnStmt(intDecl.getMethodType(method));
+ println("return " + retStmt + ";");
+ }
+ println("}"); println("");
+ }
+ println("}");
+ pw.close();
+ System.out.println("IoTCompiler: Generated stub class " + newStubClass + ".java...");
+ }
+ }
+ }
- // Open a new file to write into
- String newIntface = intMeth.getKey();
- String newStubClass = newIntface + "_Stub";
- FileWriter fw = new FileWriter(dir + "/" + subdir + "/" + newStubClass + ".hpp");
- pw = new PrintWriter(new BufferedWriter(fw));
- // Write file headers
- println("#include <iostream>");
- println("#include \"" + newIntface + ".hpp\""); println("");
- println("using namespace std;"); println("");
- println("class " + newStubClass + " : public " + newIntface);
- println("{");
- println("public:"); println("");
- // Add default constructor and destructor
- println(newStubClass + "() { }"); println("");
- println("~" + newStubClass + "() { }"); println("");
- // Write methods
- for (String method : intMeth.getValue()) {
- List<String> methParams = intDecl.getMethodParams(method);
- List<String> methPrmTypes = intDecl.getMethodParamTypes(method);
- print(convertType(intDecl.getMethodType(method)) + " " +
- intDecl.getMethodId(method) + "(");
- for (int i = 0; i < methParams.size(); i++) {
+ /**
+ * generateCPlusStubClasses() generate stubs based on the methods list in C++
+ */
+ public void generateCPlusStubClasses() throws IOException {
- String methPrmType = checkAndGetCplusType(methPrmTypes.get(i));
- print(methPrmType + " " + methParams.get(i));
- // Check if this is the last element (don't print a comma)
- if (i != methParams.size() - 1) {
- print(", ");
+ // Create a new directory
+ String path = createDirectories(dir, subdir);
+ for (String intface : mapIntfacePTH.keySet()) {
+
+ Map<String,Set<String>> mapNewIntMethods = mapInt2NewInts.get(intface);
+ for (Map.Entry<String,Set<String>> intMeth : mapNewIntMethods.entrySet()) {
+ // Open a new file to write into
+ String newIntface = intMeth.getKey();
+ String newStubClass = newIntface + "_Stub";
+ FileWriter fw = new FileWriter(path + "/" + newStubClass + ".hpp");
+ pw = new PrintWriter(new BufferedWriter(fw));
+ // Write file headers
+ println("#include <iostream>");
+ println("#include \"" + newIntface + ".hpp\""); println("");
+ println("using namespace std;"); println("");
+ println("class " + newStubClass + " : public " + newIntface); println("{");
+ println("public:"); println("");
+ // Add default constructor and destructor
+ println(newStubClass + "() { }"); println("");
+ println("~" + newStubClass + "() { }"); println("");
+ DeclarationHandler decHandler = mapIntDeclHand.get(intface);
+ InterfaceDecl intDecl = (InterfaceDecl) decHandler.getInterfaceDecl(intface);
+ // Write methods
+ for (String method : intMeth.getValue()) {
+
+ List<String> methParams = intDecl.getMethodParams(method);
+ List<String> methPrmTypes = intDecl.getMethodParamTypes(method);
+ print(convertType(intDecl.getMethodType(method)) + " " +
+ intDecl.getMethodId(method) + "(");
+ for (int i = 0; i < methParams.size(); i++) {
+ String methPrmType = checkAndGetCplusType(methPrmTypes.get(i));
+ String methParamComplete = checkAndGetCplusArray(methPrmType, methParams.get(i));
+ print(methParamComplete);
+ // Check if this is the last element (don't print a comma)
+ if (i != methParams.size() - 1) {
+ print(", ");
+ }
}
- }
- 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(") { ");
+ // 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 + ";");
}
- println("return " + retStmt + ";");
+ println("}"); println("");
}
- println("}"); println("");
+ print("}"); println(";");
+ pw.close();
+ System.out.println("IoTCompiler: Generated stub class " + newIntface + ".hpp...");
}
- print("}"); println(";");
- pw.close();
- System.out.println("IoTCompiler: Generated stub class " + newIntface + ".hpp...");
}
}
methType.equals("double")) {
return "1";
- } else if ( methType.equals("String") ||
- methType.equals("byte")) {
+ } else if ( methType.equals("String")) {
return "\"a\"";
- } else if ( methType.equals("char")) {
+ } else if ( methType.equals("char") ||
+ methType.equals("byte")) {
return "\'a\'";
} else if ( methType.equals("boolean")) {
/**
- * setDirectory() set a new directory for stub files
+ * setDirectory() sets a new directory for stub files
*/
public void setDirectory(String _subdir) {
System.out.println("Copyright (c) 2015-2016 University of California, Irvine - Programming Language Group.");
System.out.println("All rights reserved.");
System.out.println("Usage:");
- System.out.println("\tjava IoTCompiler --help / -h\t\t\t\t\tDisplay this help texts");
- System.out.println("\tjava IoTCompiler <main-policy-file> <req-policy-file>\t\tGenerate both Java and C++ stub files");
- System.out.println("\tjava IoTCompiler <main-policy-file> <req-policy-file> [options]");
+ System.out.println("\tjava IoTCompiler -help / --help / -h\n");
+ System.out.println("\t\tDisplay this help texts\n\n");
+ System.out.println("\tjava IoTCompiler [<main-policy-file> <req-policy-file>]");
+ System.out.println("\tjava IoTCompiler [<main-policy-file> <req-policy-file>] [options]\n");
+ System.out.println("\t\tTake one or more pairs of main-req policy files, and generate Java and/or C++ files\n");
System.out.println("Options:");
System.out.println("\t-java\t<directory>\tGenerate Java stub files");
System.out.println("\t-cplus\t<directory>\tGenerate C++ stub files");
}
- /**================================================
- * Helper functions to write stub codes into files
- **================================================
+ /**
+ * parseFile() prepares Lexer and Parser objects, then parses the file
+ */
+ public static ParseNode parseFile(String file) {
+
+ ParseNode pn = null;
+ try {
+ ComplexSymbolFactory csf = new ComplexSymbolFactory();
+ ScannerBuffer lexer =
+ new ScannerBuffer(new Lexer(new BufferedReader(new FileReader(file)),csf));
+ Parser parse = new Parser(lexer,csf);
+ pn = (ParseNode) parse.parse().value;
+ } catch (Exception e) {
+ e.printStackTrace();
+ throw new Error("IoTCompiler: ERROR parsing policy file or wrong command line option: " + file);
+ }
+
+ return pn;
+ }
+
+
+ /**================
+ * Helper functions
+ **================
*/
boolean newline=true;
int tablevel=0;
// Create a directory and possibly a sub directory
- private void createDirectories(String dir, String subdir) {
+ private String createDirectories(String dir, String subdir) {
- createDirectory(dir);
+ String path = dir;
+ createDirectory(path);
if (subdir != null) {
- createDirectory(dir + "/" + subdir);
+ path = path + "/" + subdir;
+ createDirectory(path);
}
+ return path;
}
// Generate a set of classes for import statements
- private Set<String> getImportClasses(Collection<String> methods) {
+ private Set<String> getImportClasses(Collection<String> methods, InterfaceDecl intDecl) {
Set<String> importClasses = new HashSet<String>();
for (String method : methods) {
// Generate a set of classes for include statements
- private Set<String> getIncludeClasses(Collection<String> methods) {
+ private Set<String> getIncludeClasses(Collection<String> methods, InterfaceDecl intDecl) {
Set<String> includeClasses = new HashSet<String>();
for (String method : methods) {
List<String> methPrmTypes = intDecl.getMethodParamTypes(method);
- for (String paramType : methPrmTypes) {
+ List<String> methParams = intDecl.getMethodParams(method);
+ for (int i = 0; i < methPrmTypes.size(); i++) {
- String simpleType = getSimpleType(paramType);
+ String simpleType = getSimpleType(methPrmTypes.get(i));
+ String param = methParams.get(i);
if (getParamCategory(simpleType) == ParamCategory.NONPRIMITIVES) {
- includeClasses.add(getNonPrimitiveCplusClass(simpleType));
+ includeClasses.add("<" + getNonPrimitiveCplusClass(simpleType) + ">");
+ } else if (getParamCategory(simpleType) == ParamCategory.USERDEFINED) {
+ includeClasses.add("\"" + exchangeParamType(simpleType) + ".hpp\"");
+ } else if (param.contains("[]")) {
+ // Check if this is array for C++; translate into vector
+ includeClasses.add("<vector>");
}
}
}
private void printIncludeStatements(Set<String> includeClasses) {
for(String cls : includeClasses) {
- println("#include <" + cls + ">");
+ println("#include " + cls);
}
}
}
+ // Detect array declaration, e.g. int A[],
+ // then generate "int A[]" in C++ as "vector<int> A"
+ private String checkAndGetCplusArray(String paramType, String param) {
+
+ String paramComplete = null;
+ // Check for array declaration
+ if (param.contains("[]")) {
+ paramComplete = "vector<" + paramType + "> " + param.replace("[]","");
+ } else
+ // Just return it as is if it's not an array
+ paramComplete = paramType + " " + param;
+
+ return paramComplete;
+ }
+
+
// Get simple types, e.g. HashSet for HashSet<...>
// Basically strip off the "<...>"
- private String checkAndGetParamClass(String paramType) {
+ private String checkAndGetParamClass(String paramType, boolean needPtr) {
// Check if this is generics
if(getParamCategory(paramType) == ParamCategory.USERDEFINED) {
- // TODO: replace this with the proper stub interface name
- return paramType + "Remote";
+ // If true then return with pointer (C++)
+ if (needPtr)
+ return exchangeParamType(paramType) + "*";
+ else // Java, so no pointer needed
+ return exchangeParamType(paramType);
} else
return paramType;
}
- public static void main(String[] args) throws Exception {
+ // Returns the other interface for type-checking purposes for USERDEFINED
+ // classes based on the information provided in multiple policy files
+ // e.g. return CameraWithXXX instead of Camera
+ private String exchangeParamType(String intface) {
- // Runtime options
- if (args.length != 0) {
- // Display help
- if ((args[0].equals("--help") ||
- (args[0].equals("-h")))) {
- IoTCompiler.printUsage();
+ // Param type that's passed is the interface name we need to look for
+ // in the map of interfaces, based on available policy files.
+ DeclarationHandler decHandler = mapIntDeclHand.get(intface);
+ if (decHandler != null) {
+ // We've found the required interface policy files
+ RequiresDecl reqDecl = (RequiresDecl) decHandler.getRequiresDecl(intface);
+ Set<String> setExchInt = reqDecl.getInterfaces();
+ if (setExchInt.size() == 1) {
+ Iterator iter = setExchInt.iterator();
+ return (String) iter.next();
} else {
+ throw new Error("IoTCompiler: Ambiguous stub interfaces: " + setExchInt.toString() +
+ ". Only one new interface can be declared if the object " + intface +
+ " needs to be passed in as an input parameter!");
+ }
+ } else {
+ // NULL value - this means policy files missing
+ throw new Error("IoTCompiler: Parameter type lookup failed for " + intface +
+ "... Please provide the necessary policy files for user-defined types." +
+ " If this is an array please type the brackets after the variable name," +
+ " e.g. \"String str[]\", not \"String[] str\"." +
+ " If this is a Collections (Java) / STL (C++) type, this compiler only" +
+ " supports List/ArrayList (Java) or list (C++).");
+ }
+ }
+
+
+ public static void main(String[] args) throws Exception {
+
+ // If there is no argument or just "--help" or "-h", then invoke printUsage()
+ if ((args[0].equals("-help") ||
+ args[0].equals("--help")||
+ args[0].equals("-h")) ||
+ (args.length == 0)) {
+
+ IoTCompiler.printUsage();
+
+ } else if (args.length > 1) {
+
+ IoTCompiler comp = new IoTCompiler();
+ int i = 0;
+ do {
// Parse main policy file
- ComplexSymbolFactory csfPol = new ComplexSymbolFactory();
- ScannerBuffer lexerPol =
- new ScannerBuffer(new Lexer(new BufferedReader(new FileReader(args[0])),csfPol));
- Parser parsePol = new Parser(lexerPol,csfPol);
- ParseNode pnPol = (ParseNode) parsePol.parse().value;
+ ParseNode pnPol = IoTCompiler.parseFile(args[i]);
// Parse "requires" policy file
- ComplexSymbolFactory csfReq = new ComplexSymbolFactory();
- ScannerBuffer lexerReq =
- new ScannerBuffer(new Lexer(new BufferedReader(new FileReader(args[1])),csfReq));
- Parser parseReq = new Parser(lexerReq,csfReq);
- ParseNode pnReq = (ParseNode) parseReq.parse().value;
+ ParseNode pnReq = IoTCompiler.parseFile(args[i+1]);
// Get interface name
- String intFace = ParseTreeHandler.getOrigIntface(pnPol);
- //System.out.println("IoTCompiler: Original interface: " + intFace);
- IoTCompiler comp = new IoTCompiler(intFace, pnPol, pnReq);
- // Generate all policy files if just policy file is provided
- comp.parsePolicyFile();
- comp.getMethodsForIntface();
- if (args.length == 2) {
- comp.generateJavaLocalInterface();
- comp.generateJavaInterfaces();
- comp.generateJavaStubClasses();
- comp.generateCplusLocalInterface();
- comp.generateCPlusInterfaces();
- comp.generateCPlusStubClasses();
- } else {
- // Check other options
- int i = 2;
- while(i < args.length) {
- // Check whether <directory> is provided
- if ((i + 1) < args.length) {
+ String intface = ParseTreeHandler.getOrigIntface(pnPol);
+ comp.setParseTree(intface, pnPol, pnReq);
+ comp.getMethodsForIntface(intface);
+ i = i + 2;
+ // 1) Check if this is the last option before "-java" or "-cplus"
+ // 2) Check if this is really the last option (no "-java" or "-cplus")
+ } while(!args[i].equals("-java") &&
+ !args[i].equals("-cplus") &&
+ (i < args.length));
+
+ // Generate everything if we don't see "-java" or "-cplus"
+ if (i == args.length) {
+ comp.generateJavaLocalInterfaces();
+ comp.generateJavaInterfaces();
+ comp.generateJavaStubClasses();
+ comp.generateCplusLocalInterfaces();
+ comp.generateCPlusInterfaces();
+ comp.generateCPlusStubClasses();
+ } else {
+ // Check other options
+ while(i < args.length) {
+ // Error checking
+ if (!args[i].equals("-java") &&
+ !args[i].equals("-cplus")) {
+ throw new Error("IoTCompiler: ERROR - unrecognized command line option: " + args[i]);
+ } else {
+ if (i + 1 < args.length) {
comp.setDirectory(args[i+1]);
} else
throw new Error("IoTCompiler: ERROR - please provide <directory> after option: " + args[i]);
+
if (args[i].equals("-java")) {
- comp.generateJavaLocalInterface();
+ comp.generateJavaLocalInterfaces();
comp.generateJavaInterfaces();
comp.generateJavaStubClasses();
- } else if (args[i].equals("-cplus")) {
- comp.generateCplusLocalInterface();
+ } else {
+ comp.generateCplusLocalInterfaces();
comp.generateCPlusInterfaces();
comp.generateCPlusStubClasses();
- } else
- throw new Error("IoTCompiler: ERROR - unrecognized command line option: " + args[i]);
- i = i + 2;
+ }
}
+ i = i + 2;
}
}
-
} else {
- // Need at least the policy file name
+ // Need to at least have exactly 2 parameters, i.e. main policy file and requires file
IoTCompiler.printUsage();
throw new Error("IoTCompiler: At least two arguments (main and requires policy files) have to be provided!");
}