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/* ____ ____ ____ ____ ______ *\
** / __// __ \/ __// __ \/ ____/ SOcos COmpiles Scala **
** __\_ \/ /_/ / /__/ /_/ /\_ \ (c) 2002, LAMP/EPFL **
** /_____/\____/\___/\____/____/ **
\* */
// $Id$
package scalac.symtab.classfile;
import java.util.List;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.Map;
import java.util.HashMap;
import java.io.File;
import ch.epfl.lamp.compiler.msil.*;
import scalac.symtab.Symbol;
import scalac.symtab.SymbolLoader;
import scalac.symtab.Scope;
import scalac.util.Debug;
import scalac.util.Name;
import scalac.util.NameTransformer;
import scalac.Global;
/**
*/
public class CLRPackageParser extends SymbolLoader {
//##########################################################################
public Type BYTE;
public Type UBYTE;
public Type CHAR;
public Type SHORT;
public Type USHORT;
public Type INT;
public Type UINT;
public Type LONG;
public Type ULONG;
public Type FLOAT;
public Type DOUBLE;
public Type BOOLEAN;
public Type VOID;
public Type ENUM;
public Type OBJECT;
public Type STRING;
public Type STRING_ARRAY;
protected CLRClassParser completer;
private CLRPackageParser(Global global) {
super(global);
}
public static CLRPackageParser instance;
public static CLRPackageParser create(Global global) {
if (instance != null)
return instance;
instance = new CLRPackageParser(global);
instance.completer = new CLRClassParser(global, instance);
instance.init();
return instance;
}
Type[] types;
public Type[] getTypes() { return types; }
private boolean initialized = false;
public void init() {
if (initialized) return;
String[] asnames = scalac.util.ClassPath.parse(global.args.assemrefs.value);
for (int i = 0; i < asnames.length; i++)
assemrefs.add(asnames[i]);
Assembly mscorlib = findAssembly("mscorlib.dll");
Type.initMSCORLIB(mscorlib);
BYTE = getType("System.SByte");
UBYTE = getType("System.Byte");
CHAR = getType("System.Char");
SHORT = getType("System.Int16");
USHORT = getType("System.UInt16");
INT = getType("System.Int32");
UINT = getType("System.UInt32");
LONG = getType("System.Int64");
ULONG = getType("System.UInt64");
FLOAT = getType("System.Single");
DOUBLE = getType("System.Double");
BOOLEAN = getType("System.Boolean");
VOID = getType("System.Void");
ENUM = getType("System.Enum");
OBJECT = getType("System.Object");
STRING = getType("System.String");
STRING_ARRAY = getType("System.String[]");
findAssembly("vjslib.dll");
findAssembly("scala.dll");
//findAssembly("scalalib.dll");
findAllAssemblies();
Type[] types = Type.EmptyTypes;
Iterator as = assemblies.iterator();
while (as.hasNext()) {
Type[] atypes = ((Assembly)as.next()).GetTypes();
int j = 0;
for (int i = 0; i < atypes.length; i++)
if (/*atypes[i].IsPublic && */atypes[i].DeclaringType == null)
atypes[j++] = atypes[i];
Type[] btypes = new Type[types.length + j];
System.arraycopy(types, 0, btypes, 0, types.length);
System.arraycopy(atypes, 0, btypes, types.length, j);
types = btypes;
}
this.types = types;
initialized = true;
}
private java.util.Map syms2members = new HashMap();
private java.util.Map members2syms = new HashMap();
//##########################################################################
public void map(Symbol sym, MemberInfo m) {
syms2members.put(sym, m);
members2syms.put(m, sym);
//System.out.println("" + sym + " => " + m);
}
public MemberInfo getMember(Symbol sym) {
return (MemberInfo)syms2members.get(sym);
}
public Symbol getSymbol(MemberInfo m) {
return (Symbol)members2syms.get(m);
}
public Type getType(String name) {
Type t = Type.GetType(name);
//assert t != null : name;
return t;
}
public Type mkArrayType(Type elemType) {
return getType(elemType.FullName + "[]");
}
//##########################################################################
// assembly loading methods
protected final java.util.List assemblies = new LinkedList();
protected final java.util.List assemrefs = new LinkedList();
/** Load the assembly with the given name
*/
private Assembly findAssembly(String name) {
// see if the assembly is referenced directly
File file = null;
Assembly assem = null;
for (Iterator assems = assemrefs.iterator(); assems.hasNext();) {
String assemname = (String)assems.next();
file = new File(assemname);
if (!file.getName().equals(name))
continue;
assem = Assembly.LoadFrom(file.getPath());
if (assem != null) {
assems.remove();
assemblies.add(assem);
return assem;
}
}
// look in directories specified with the '-r' option
for (Iterator assems = assemrefs.iterator(); assems.hasNext();) {
File d = new File((String)assems.next());
if (!d.isDirectory())
continue;
file = new File(d, name);
if (file.exists()) {
assem = Assembly.LoadFrom(file.getPath());
if (assem != null) {
assemblies.add(assem);
return assem;
}
}
}
// try in the current directory
file = new File(".", name);
if (file.exists()) {
assem = Assembly.LoadFrom(file.getPath());
if (assem != null) {
assemblies.add(assem);
return assem;
}
}
global.fail("Cannot find assembly " + name
+ "; use the -r option to specify its location");
return null;
}
/** Load the rest of the assemblies specified with the '-r' option
*/
private void findAllAssemblies() {
//System.out.println("assembly references left: " + assemrefs);
for (Iterator assems = assemrefs.iterator(); assems.hasNext();) {
File f = new File((String)assems.next());
if (f.isFile()) {
Assembly assem = Assembly.LoadFrom(f.getPath());
if (assem != null) {
assemblies.add(assem);
//System.out.println("Loaded assembly " + assem);
}
}
assems.remove();
}
assert assemrefs.isEmpty();
}
//##########################################################################
// main functionality
protected String doComplete(Symbol p) {
// for future use
return "!!!";
}
/**
*/
public void importCLRTypes(Symbol p, Scope members, PackageParser pp) {
if (p.isRoot()) {
for (int i = 0; i < types.length; i++) {
int j = types[i].FullName.indexOf('.');
if (j < 0) continue;
String namespace = types[i].FullName.substring(0, j);
importCLRNamespace(namespace, p, members, pp);
}
return;
}
String n1 = "";
for (Symbol q = p; !q.isRoot(); q = q.owner()) {
n1 = NameTransformer.decode(q.name) + "." + n1;
if (q.module() == global.definitions.JAVA
|| q.module() == global.definitions.SCALA)
return;
}
for (int i = 0; i < types.length; i++) {
String fullname = types[i].FullName;
if (!fullname.startsWith(n1))
continue;
//System.out.println("importing type: " + fullname);
int j = n1.length();
int k = fullname.indexOf('.', j);
String name = fullname.substring(j, k < 0 ? fullname.length() : k);
Name n = Name.fromString(name);
if (k < 0) {
// it's a class
Symbol clazz = p.newLoadedClass(JAVA, n.toTypeName(), completer, members);
map(clazz, types[i]);
} else {
importCLRNamespace(name, p, members, pp);
}
}
}
/** Imports a CLR namespace as a scala package.
*/
protected void importCLRNamespace(String namespace, Symbol p,
Scope members, PackageParser pp)
{
Name n = Name.fromString(namespace);
if (members.lookup(n) == Symbol.NONE) {
//System.out.println("importing namespace " + namespace);
p.newLoadedPackage(n, pp, members);
}
}
//##########################################################################
}
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