public void visitWhileStatement(GNode n) {
add(getIndent());
add("while (");
dispatch((Node) n.get(0)); // while condition
add(")");
dispatch((Node) n.get(1)); // attached block
}
protected void onInstantiate(GNode n) {
JavaType t1, t2;
expressions = new JavaExpression[3];
expressions[0] = (JavaExpression) this.dispatch((GNode) n.get(0));
expressions[1] = (JavaExpression) this.dispatch((GNode) n.get(1));
expressions[2] = (JavaExpression) this.dispatch((GNode) n.get(2));
if (expressions[1].getType().isChildOf(expressions[2].getType())) {
this.setType(expressions[2].getType());
} else {
this.setType(expressions[1].getType());
}
}
/**
* Constructs the package using a GNode.
*
* @param n The package or import declaration node.
*/
public JavaPackage(GNode n) {
// Parse the package name
pkg = new ArrayList<String>();
int size;
if (n.hasName("ImportDeclaration")) {
if (null == n.get(2)) size = n.getNode(1).size() - 1;
else size = n.getNode(1).size();
} else {
size = n.getNode(1).size();
}
for (int i = 0; i < size; i++) {
pkg.add(n.getNode(1).getString(i));
}
// Initialize the file list
files = new ArrayList<JavaFile>();
}
public CreateCplusplusHeader(GNode n) {
classTree = n;
/*Debug**/
// p1.println(classTree.size());
final PrintWriter p1;
final GNode[] containsRelevantClasses;
final ArrayList<String> stringClasses = new ArrayList<String>();
final ArrayList<Integer> countClasses = new ArrayList<Integer>();
final ArrayList<Integer> countChildren = new ArrayList<Integer>();
final GNode stac = GNode.create("Holder");
File headerFile;
File newDirectory;
try {
newDirectory = new File("cplusplusfiles");
newDirectory.mkdir();
headerFile = new File("cplusplusfiles", "Header.h");
headerFile.createNewFile();
p1 = new PrintWriter(headerFile);
/*Remove comments below to Debug**/
// p1.println(classTree.size());
// p1.println(containsRelevantClasses.size());
// p1.println(countClasses);
// p1.println(countChildren);
p1.println("// Ankit Goel's Header");
p1.println("#pragma once");
p1.println();
p1.println("#include <stdint.h>");
p1.println("#include <string>");
p1.println();
p1.println("using namespace java::lang;");
p1.println("// Foward Declarations ");
p1.println();
/* Remove comments below to Debug**/
// String s = classTree.getNode(1).getNode(0).getNode(0).getName();
// p1.println(s);
// p1.flush();
// p1.close();
new Visitor() {
int counter22 = 0;
public void visitClass(GNode n) {
counter22++;
countChildren.add(n.size());
countClasses.add(counter22);
visit(n);
}
public void visitClassHeaderDeclaration(GNode n) {
stac.add(n);
/*Remove comments below to Debug**/
// p1.println(n.getNode(0).getName());
// containsRelevantClasses[counter22] = (GNode) n;
}
public void visit(Node n) {
for (Object o : n) if (o instanceof Node) dispatch((Node) o);
}
}.dispatch(classTree);
/*Remove comments below to Debug**/
// p1.println(stac.size());
String globalVariableArrayCheck;
for (int b = 4; b < stac.size(); b++) {
createCplusplusHeader = (GNode) stac.getNode(b);
GNode vMethods = (GNode) createCplusplusHeader.getNode(0);
// p1.println(createCplusplusHeader.getName());
/*Remove comments below to Debug**/
// p1.println(vMethods.getName());
// We need a mapping of methodName to accessibility
final HashMap<String, String> mNAccess = new HashMap<String, String>();
/*Remove comments below to Debug**/
// We need a mapping to methodName to whetherItsStatic
// p1.println(mNAccess);
// p1.println(mNAccess.get("goel"));
final GNode constructorPrinter = GNode.create("ConstructorPrinter");
final ArrayList<Integer> getCounter = new ArrayList<Integer>();
new Visitor() {
int counter2 = 0;
public void visitVirtualMethodDeclaration(GNode n) {
counter2++;
getCounter.add(counter2);
}
public void visit(Node n) {
for (Object o : n) if (o instanceof Node) dispatch((Node) o);
}
}.dispatch(vMethods);
int startHere = getCounter.get(getCounter.size() - 1) + 1;
/*Remove comments below to Debug**/
// p1.println(startHere);
final String className = vMethods.getNode(startHere).getNode(4).getNode(0).getString(0);
final String plainClassName = className.substring(2, className.length());
final GNode ARRAYTRACKER = GNode.create("ArrayTracker");
// Need another dispatch for constructor heeader node
new Visitor() {
public void visitConstructorHeader(GNode n) {
// Add each node
if (n.getString(0).equals(plainClassName)) constructorPrinter.add(n);
}
public void visitCustomArrayDeclaration(GNode n) {
ARRAYTRACKER.add(n);
}
public void visit(Node n) {
for (Object o : n) if (o instanceof Node) dispatch((Node) o);
}
}.dispatch(createCplusplusHeader);
// p1.println(constructorPrinter.size());
// Find out when the virtual method declarations ends
/*Remove comments below to Debug**/
// p1.println(getCounter);
p1.println("struct __" + plainClassName + ";");
p1.println();
p1.println("struct __" + plainClassName + "_VT;");
p1.println();
p1.println("typedef __rt::Ptr<" + "__" + plainClassName + "> " + plainClassName + ";");
p1.println();
p1.println("struct __" + plainClassName + " { ");
p1.println();
p1.println(" // The data layout for java.lang.plainClassName");
p1.println(" " + "__" + plainClassName + "_VT* __vptr;");
// Get the Field Decl in this
final GNode fields = GNode.create("Fields");
new Visitor() {
public void visitDataLayoutDeclaration(GNode n) {
visit(n);
}
public void visitDataFieldList(GNode n) {
fields.add(n);
}
public void visit(Node n) {
for (Object o : n) if (o instanceof Node) dispatch((Node) o);
}
}.dispatch(createCplusplusHeader);
// p1.println(fields.size());
final ArrayList<String> privateOrpublic = new ArrayList<String>();
final ArrayList<String> PrimitiveType = new ArrayList<String>();
final ArrayList<String> Decl = new ArrayList<String>();
new Visitor() {
public void visitDataFieldList(GNode n) {
visit(n);
}
public void visitFieldDeclaration(GNode n) {
// if (n.getNode(0).size() > 0 )
// privateOrpublic.add(n.getNode(0).getNode(0).getString(0));
/*
if (n.getNode(0).getNode(0).getString(0).equals("static") && n.getNode(1).getNode(0).getString(0).equals("int") )
PrimitiveType.add("static const int32_t ");
**/
if (n.getNode(1).getNode(0).getString(0).equals("int")
&& n.toString().contains("static")) PrimitiveType.add(" static int32_t");
else PrimitiveType.add(n.getNode(1).getNode(0).getString(0));
Decl.add(n.getNode(2).getNode(0).getString(0));
/*
else
Decl.add(n.getNode(2).getNode(0).getString(0) + " = " + n.getNode(2).getNode(0).getNode(2).getString(0));
**/
}
public void visit(Node n) {
for (Object o : n) if (o instanceof Node) dispatch((Node) o);
}
}.dispatch(fields);
// Print out the Data Fields
for (int c = 0; c < Decl.size(); c++) {
p1.println();
p1.println(" " + PrimitiveType.get(c) + " " + Decl.get(c) + ";");
}
List<String> typeOfParameter = new ArrayList<String>();
List<String> DECLARATOR = new ArrayList<String>();
// p1.println(constructorPrinter);
for (int ccd = 0; ccd < constructorPrinter.size(); ccd++) {
// There is more than one parameter
if (constructorPrinter.getNode(ccd).getNode(1).size() >= 1) {
GNode GETPARAMS = GNode.create("GETPARAMS");
GETPARAMS.add(constructorPrinter.getNode(ccd).getNode(1));
// p1.println(GETPARAMS);
// Now Go through the Formal Parameters
for (int dcc = 0; dcc < GETPARAMS.size(); dcc++) {
typeOfParameter.add(
GETPARAMS.getNode(0).getNode(dcc).getNode(1).getNode(0).getString(0));
DECLARATOR.add(GETPARAMS.getNode(0).getNode(dcc).getString(3));
}
} else {
p1.println();
p1.println(" " + className + "();");
}
}
if (DECLARATOR.size() >= 1 && typeOfParameter.size() >= 1) {
p1.print(className + "( ");
for (int goela = 0; goela < typeOfParameter.size(); goela++) {
if (goela != typeOfParameter.size() - 1)
p1.print(typeOfParameter.get(goela) + " " + DECLARATOR.get(goela) + ",");
else p1.print(typeOfParameter.get(goela) + " " + DECLARATOR.get(goela) + ");");
}
}
p1.println();
if ((constructorPrinter.size() == 0)) {
p1.println();
p1.println(" " + "// The Constructor");
p1.println();
p1.println(" " + "__" + plainClassName + "(); ");
}
// Find Instance Methods of the class Basically go through vtMethodPointersList and
// go through its children and check if the qualified identifier is the same as the clas
// name
// Store the names in a Arraylist type
final List<String> names = new ArrayList<String>();
List<String> types2 = new ArrayList<String>();
final List<Integer> indexx = new ArrayList<Integer>();
final HashMap<Integer, String> checkForOtherSuperClass = new HashMap<Integer, String>();
// final HashMap<String,String> checkForPredefinedMethods = new HashMap<String,String>();
// Basically You need to consider this fact there will be however so many Constructors and
// you need to keep a tally to start it like that and
// Ignore those indices
final List<Integer> constuctorIndex = new ArrayList<Integer>();
final GNode constructors = GNode.create("CONSTRUCTOR");
final String constructorNameGetter = plainClassName;
// p1.println(constructors.size());
// p1.println(constructorNameGetter);
// Lets find out which methods are unique
new Visitor() {
public int counter = 0;
public void visitVTConstructorDeclaration(GNode n) {
visit(n);
}
public void visitvtMethodPointersList(GNode n) {
visit(n);
}
public void visitvtMethodPointer(GNode n) {
counter++;
if (!(n.getNode(1).getString(1).equals("__Object"))
&& !(n.getString(0).equals("main_String"))) {
// constructorIndex.add(counter);
// p1.println(n.getString(0));
indexx.add(counter);
names.add(n.getString(0));
// There needs to be a check for the other than __Object && __SuperClass
checkForOtherSuperClass.put(counter, n.getNode(1).getString(1));
// checkForPredefinedMethods.put(n.getString(0), n.getNode(1).getString(1));
} else {
checkForOtherSuperClass.put(counter, n.getNode(1).getString(1));
// constructors.add(n);
}
}
public void visit(Node n) {
for (Object o : n) if (o instanceof Node) dispatch((Node) o);
}
}.dispatch(vMethods);
// p1.println(names);
// p1.println("Constructors" + constructors.size());
// p1.println(checkForOtherSuperClass);
// System.out.println("ARRAY CONTENTS" + names);
// Now lets get the type of the method and store it in Types arraylist
// Visit the Method Declarations of the Java AST and store the types in order into an array.
// Then
// store the corresponding names of the methods in another array then do matching to
// determine the
// the types of the method
// p1.println(checkForOtherSuperClass);
for (int i = 0; i < indexx.size(); i++) {
if (vMethods.getNode(indexx.get(i)).getGeneric(0) != null) {
if (vMethods.getNode(indexx.get(i)).getNode(0).getName().equals("Type")) {
// I think there only needs to be one check for a bool value the rest translate as is
if (vMethods
.getNode(indexx.get(i))
.getNode(0)
.getNode(0)
.getString(0)
.equals("boolean")) types2.add("bool");
else types2.add(vMethods.getNode(indexx.get(i)).getNode(0).getNode(0).getString(0));
} else types2.add("void");
} else {
types2.add(" ");
}
}
// p1.println(types2);
// p1.println(names);
// params are appended to the methods name
List<String> specialnames = new ArrayList<String>();
// A single method name which is a string could essential map to however many Strings
Map<String, String> parameters = new HashMap<String, String>();
// Remove anything after _ in the method these are the parameters that are appended to it
for (int i = 0; i < names.size(); i++) {
Pattern p = Pattern.compile("_");
Matcher m = p.matcher(names.get(i));
if (m.find()) {
// p1.println("FOUND");
// p1.println(m.start());
// ****** Changed
// specialnames.add(names.get(i).substring(0,m.start()));
specialnames.add(names.get(i));
// Money.add(names.get(i));
parameters.put(
specialnames.get(i), names.get(i).substring(m.start(), names.get(i).length()));
} else {
specialnames.add(names.get(i));
// The hashmap needs to be consistent
parameters.put(names.get(i), "ZeroParams");
}
}
// p1.println(names);
// p1.println(parameters);
// p1.println(types2);
// p1.println(parameters);
// Now print the instance methods using the types and names
p1.println(" // The instance methods of java.lang.plainClassName");
// p1.println(specialnames);
// Constructor Initializeer
p1.println(" static " + plainClassName + " init_Construct( " + plainClassName + "); ");
for (int i = 0; i < types2.size(); i++) {
if (parameters.get(specialnames.get(i)).equals("ZeroParams")
&& !(specialnames.get(i).equals(plainClassName)))
p1.println(
" "
+ "static "
+ types2.get(i)
+ " "
+ specialnames.get(i)
+ "( "
+ plainClassName
+ ")"
+ ";");
else {
if (!(specialnames.get(i).equals(plainClassName))) {
ArrayList<Integer> getTheParameters = new ArrayList<Integer>();
p1.print(
" "
+ "static "
+ types2.get(i)
+ " "
+ specialnames.get(i)
+ "( "
+ plainClassName
+ " , ");
Pattern pp = Pattern.compile("_");
Matcher mm = pp.matcher(parameters.get(specialnames.get(i)));
while (mm.find()) {
getTheParameters.add(mm.start());
}
for (int cc = 0; cc < getTheParameters.size(); cc++) {
if (cc != getTheParameters.size() - 1) {
p1.print(
parameters
.get(specialnames.get(i))
.substring(getTheParameters.get(cc) + 1, getTheParameters.get(cc + 1))
+ " , ");
} else {
int length = parameters.get(specialnames.get(i)).length();
p1.print(
parameters
.get(specialnames.get(i))
.substring(getTheParameters.get(cc) + 1, length)
+ ");");
}
}
p1.println();
}
}
}
p1.println();
p1.println(
" // The Function returning the class Object representing java.lang.plainClassName ");
p1.println(" static Class __class(); ");
p1.println(" static void init( " + "__" + plainClassName + "*" + " );");
p1.println();
// Changes for Command line arguements
if (plainClassName.contains("Test")) {
p1.println(" static void main(__rt::Ptr<__rt::Array<String> > args);");
}
p1.println(" static __" + plainClassName + "_" + "VT " + "__vtable;");
p1.println();
p1.println(" };");
p1.println();
// Now print the Constructor taking into account which ones are implemented by the given
// class
p1.println("struct __" + plainClassName + "_" + "VT" + "{");
p1.println(" Class __isa;");
// Introduce some logic to differentiate between new methods and predefined inherited method
// from Object
List<String> arr1 = new ArrayList<String>();
arr1.add("hashcode");
arr1.add("equals");
arr1.add("getClass");
arr1.add("toString");
arr1.add("getName");
arr1.add("getSuperClass");
arr1.add("isInstance");
// Basically iterate through map and add any methods that have a type not equal to the
// You need to add the inherited types
p1.println(" void (*__delete)(__" + plainClassName + "*);");
p1.println(" int32_t (*hashCode)(" + plainClassName + ");");
p1.println(" bool (*equals)(" + plainClassName + " , " + "Object);");
p1.println(" Class (*getClass)(" + plainClassName + ");");
p1.println(" String (*toString) (" + plainClassName + ");");
for (int i = 0; i < names.size(); i++) {
if (!(arr1.contains(names.get(i)))) {
p1.println();
ArrayList<Integer> getTheParameters = new ArrayList<Integer>();
if (parameters.get(specialnames.get(i)).equals("ZeroParams")
&& !(specialnames.get(i).equals(plainClassName)))
p1.println(
" "
+ types2.get(i)
+ " (*"
+ specialnames.get(i)
+ ") ("
+ plainClassName
+ ");");
else {
if (!(specialnames.get(i).equals(plainClassName))) {
Pattern pp = Pattern.compile("_");
Matcher mm = pp.matcher(parameters.get(specialnames.get(i)));
while (mm.find()) {
getTheParameters.add(mm.start());
}
p1.print(
" "
+ types2.get(i)
+ " (*"
+ specialnames.get(i)
+ ") ("
+ plainClassName
+ " , ");
for (int cc = 0; cc < getTheParameters.size(); cc++) {
if (cc != getTheParameters.size() - 1) {
p1.print(
parameters
.get(specialnames.get(i))
.substring(
getTheParameters.get(cc) + 1, getTheParameters.get(cc + 1))
+ " , ");
} else {
int length = parameters.get(specialnames.get(i)).length();
p1.print(
parameters
.get(specialnames.get(i))
.substring(getTheParameters.get(cc) + 1, length)
+ ");");
}
}
}
// p1.println(getTheParameters);
}
}
}
p1.println();
p1.println();
// Now the constructor initilization inlined in the header
p1.println(" __" + plainClassName + "_VT()");
p1.println(" : __isa(__" + plainClassName + "::__class()),");
List<String> getImplementation = new ArrayList<String>();
int COUNT = 0;
// Are there any instance methods
for (int i = 0; i < specialnames.size(); i++) {
if (!(specialnames.equals(plainClassName))) COUNT++;
}
// p1.println(COUNT);
for (int i = 0; i < arr1.size(); i++) {
if (names.contains(arr1.get(i))) {
// Suppose a super class defines an Object method then this is wrong so add an
// additional check
// if(checkForPredefinedMethods.get(arr1.get(i)).equals("__" + plainClassName))
getImplementation.add(plainClassName);
// else
// getImplementation.add(checkForPredefinedMethods.get(arr1.get(i)));
} else {
getImplementation.add("Object");
}
}
// Remove comment to Debug
// p1.println(getImplementation);
p1.println(" __delete(&__rt::__delete<__" + plainClassName + ">),");
// Hardcoded May Need to Change in the final Phase
if (getImplementation.get(0).equals("Object"))
p1.println(
" hashCode((int32_t(*)("
+ plainClassName
+ "))"
+ "&__"
+ getImplementation.get(0)
+ "::hashCode),");
else p1.println(" hashCode(&__" + plainClassName + "::hashCode),");
if (getImplementation.get(1).equals("Object"))
p1.println(
" equals((bool(*)("
+ plainClassName
+ " , Object)) &__"
+ getImplementation.get(1)
+ "::equals), ");
else p1.println(" equals(&__" + plainClassName + "::equals");
if (getImplementation.get(2).equals("Object"))
p1.println(
" getClass((Class(*)("
+ plainClassName
+ ")) &__"
+ getImplementation.get(2)
+ "::getClass), ");
else p1.println(" getClass(&__" + plainClassName + ")");
// Remember to Take care of the comma issue
if (getImplementation
.get(3)
.equals("Object") /*|| !(getImplementation.get(3).equals("__" + plainClassName))**/) {
if (COUNT != 0)
p1.println(
" toString((String(*)("
+ plainClassName
+ ")) &__"
+ getImplementation.get(3)
+ "::toString), ");
else
p1.println(
" toString((String(*)("
+ plainClassName
+ ")) &__"
+ getImplementation.get(3)
+ "::toString) { ");
} else {
int x = names.size();
boolean bat = false;
if ((x == 1) && (names.get(0).equals("toString"))) bat = true;
if (COUNT != 0 && !(bat))
p1.println(" toString(&__" + getImplementation.get(3) + "::toString),");
else p1.println(" toString(&__" + getImplementation.get(3) + "::toString) {");
}
// p1.println(names);
//
for (int uniqueNames = 0; uniqueNames < names.size(); uniqueNames++) {
// Remove Unnecessary Methods
if (arr1.contains(names.get(uniqueNames))) {
names.remove(uniqueNames);
specialnames.remove(uniqueNames);
types2.remove(uniqueNames);
}
}
// p1.println(types2);
// p1.println(names);
// ADD Remaining Methods to implementation
for (int i = 0; i < names.size(); i++) {
if (!(arr1.contains(specialnames.get(i)))
&& checkForOtherSuperClass.get(i + 6).equals(className)
&& (i == names.size() - 1)
&& !(specialnames.get(i).equals(plainClassName))) {
// Remember to Fix this later
p1.println();
p1.println(
" "
+ specialnames.get(i)
+ "(&__"
+ plainClassName
+ "::"
+ specialnames.get(i)
+ ") {");
}
// Finally Add Parameters Here
else {
if (parameters.get(specialnames.get(i)).equals("ZeroParams")
&& !(specialnames.get(i).equals(plainClassName))
&& !(arr1.contains(specialnames.get(i)))) {
if (i != names.size() - 1)
p1.println(
" "
+ specialnames.get(i)
+ "(("
+ types2.get(i)
+ "(*)"
+ "("
+ plainClassName
+ "))"
+ "&"
+ checkForOtherSuperClass.get(i + 6)
+ "::"
+ specialnames.get(i)
+ "),");
else
p1.println(
" "
+ specialnames.get(i)
+ "(("
+ types2.get(i)
+ "(*)"
+ "("
+ plainClassName
+ "))"
+ "&"
+ checkForOtherSuperClass.get(i + 6)
+ "::"
+ specialnames.get(i)
+ ") {");
p1.println();
} else {
if (!(specialnames.get(i).equals(plainClassName))
&& !(arr1.contains(specialnames.get(i)))) {
ArrayList<Integer> getTheParameters = new ArrayList<Integer>();
p1.print(
" "
+ specialnames.get(i)
+ "(("
+ types2.get(i)
+ "(*)"
+ "("
+ plainClassName
+ " , ");
Pattern pp = Pattern.compile("_");
Matcher mm = pp.matcher(parameters.get(specialnames.get(i)));
while (mm.find()) {
getTheParameters.add(mm.start());
}
for (int cc = 0; cc < getTheParameters.size(); cc++) {
if (cc != getTheParameters.size() - 1) {
p1.print(
parameters
.get(specialnames.get(i))
.substring(
getTheParameters.get(cc) + 1, getTheParameters.get(cc + 1))
+ " , ");
} else {
int length = parameters.get(specialnames.get(i)).length();
p1.print(
parameters
.get(specialnames.get(i))
.substring(getTheParameters.get(cc) + 1, length));
if (i != names.size() - 1)
p1.print(
"))"
+ "&"
+ checkForOtherSuperClass.get(i + 6)
+ "::"
+ specialnames.get(i)
+ "),");
else
p1.print(
"))"
+ "&"
+ checkForOtherSuperClass.get(i + 6)
+ "::"
+ specialnames.get(i)
+ ") {");
p1.println();
}
}
// p1.println(getTheParameters);
}
}
}
}
p1.println(" }");
p1.println("};");
p1.println();
p1.println();
p1.println();
/*Remove comments below to Debug**/
}
// p1.println(names);
p1.flush();
p1.close();
} catch (Exception e) {
}
}
public void visitLogicalOrExpression(GNode n) {
dispatch((Node) n.get(0));
add(" || ");
dispatch((Node) n.get(1));
}
public void visitIntegerLiteral(GNode n) {
add((String) n.get(0));
}
public void visitDeclarator(GNode n) {
String declaratorName = n.getString(0);
add(declaratorName);
add(" = ");
visit(n);
}
public void visitPrimitiveType(GNode n) {
add((String) n.get(0) + " ");
}
public void visitPrimaryIdentifier(GNode n) {
String word = (String) n.get(0);
add(word);
visit(n);
}
public void visitSelectionExpression(GNode n) {
// Visits the first part, prints it, puts the dot, then prints the rest
visit(n);
add(".");
add((String) n.get(1));
}