From 3d3273ecaeeb9bb0e428ddaa3e393526db9111f2 Mon Sep 17 00:00:00 2001
From: mihaylov <mihaylov@epfl.ch>
Date: Mon, 31 May 2004 13:06:17 +0000
Subject: - When using the MSIL backend import classes fr...

- When using the MSIL backend import classes from .NET assemblies rather
than .class files
---
 sources/scalac/symtab/classfile/PackageParser.java | 77 ++++++++++++++++++----
 1 file changed, 66 insertions(+), 11 deletions(-)

diff --git a/sources/scalac/symtab/classfile/PackageParser.java b/sources/scalac/symtab/classfile/PackageParser.java
index 07d196312c..b8a1636eb0 100644
--- a/sources/scalac/symtab/classfile/PackageParser.java
+++ b/sources/scalac/symtab/classfile/PackageParser.java
@@ -10,6 +10,7 @@ package scalac.symtab.classfile;
 
 import java.util.Iterator;
 import java.util.HashMap;
+import java.util.Set;
 
 import scala.tools.util.AbstractFile;
 import scala.tools.util.Position;
@@ -23,6 +24,8 @@ import scalac.symtab.Type;
 import scalac.util.Name;
 import scalac.util.Debug;
 
+import scalac.symtab.SymbolNameWriter;
+
 /**
  * This class implements a package member loader. It can be used to
  * complete package class symbols.
@@ -35,6 +38,11 @@ public class PackageParser extends SymbolLoader {
     /** The directory to read */
     private final AbstractFile directory;
 
+    /** Are we targeting the MSIL? */
+    private boolean forMSIL;
+
+    private SymbolNameWriter snw = new SymbolNameWriter();
+
     //########################################################################
     // Public Constructors
 
@@ -42,6 +50,7 @@ public class PackageParser extends SymbolLoader {
     public PackageParser(Global global, AbstractFile directory) {
         super(global);
         this.directory = directory;
+	this.forMSIL = global.target == global.TARGET_MSIL;
     }
 
     //########################################################################
@@ -76,6 +85,14 @@ public class PackageParser extends SymbolLoader {
             }
 	}
 
+	HashMap types = null;
+	Set namespaces = null;
+	ch.epfl.lamp.compiler.msil.Type type = null;
+	if (forMSIL) {
+	    types = clrParser().getTypes(peckage);
+	    namespaces = clrParser().getNamespaces(peckage);
+	}
+
         // create JVM and source members
         Scope members = new Scope();
         for (Iterator i = sources.entrySet().iterator(); i.hasNext(); ) {
@@ -83,10 +100,19 @@ public class PackageParser extends SymbolLoader {
             String name = (String)entry.getKey();
             AbstractFile sfile = (AbstractFile)entry.getValue();
             AbstractFile cfile = (AbstractFile)classes.remove(name);
-            if (global.separate && cfile != null) {
+	    if (forMSIL) {
+		type = (ch.epfl.lamp.compiler.msil.Type)types.remove(name);
+		if (global.separate && forMSIL && type != null) {
+// 		    if (type.Assembly.getFile().lastModified()
+// 			> sfile.lastModified()) {
+			types.put(name, type);
+ 			continue;
+// 		    }
+		}
+	    } else if (global.separate && cfile != null) {
                 if (cfile.lastModified() > sfile.lastModified()) {
-                    classes.put(name, cfile);
-                    continue;
+		    classes.put(name, cfile);
+		    continue;
                 }
             }
             packages.remove(name);
@@ -94,31 +120,60 @@ public class PackageParser extends SymbolLoader {
             SymbolLoader loader = new SourceCompleter(global, sfile);
             peckage.newLoadedClass(0, classname, loader, members);
         }
+
+	if (forMSIL) {
+	    for (Iterator i = types.keySet().iterator(); i.hasNext(); ) {
+		classes.remove(i.next());
+	    }
+	}
+
         for (Iterator i = classes.entrySet().iterator(); i.hasNext(); ) {
             HashMap.Entry entry = (HashMap.Entry)i.next();
             String name = (String)entry.getKey();
-            AbstractFile cfile = (AbstractFile)entry.getValue();
-            packages.remove(name);
-            Name classname = Name.fromString(name).toTypeName();
-            SymbolLoader loader = new ClassParser(global, cfile);
-            peckage.newLoadedClass(JAVA, classname, loader, members);
+	    //assert !types.containsKey(name) : types.get(name);
+	    if (!forMSIL || clrParser().shouldLoadClassfile(peckage, name)) {
+		AbstractFile cfile = (AbstractFile)entry.getValue();
+		packages.remove(name);
+		Name classname = Name.fromString(name).toTypeName();
+		SymbolLoader loader = new ClassParser(global, cfile);
+		peckage.newLoadedClass(JAVA, classname, loader, members);
+	    }
         }
+
+	if (forMSIL) {
+	    // import the CLR types contained in the package (namespace)
+	    for (Iterator i = types.values().iterator(); i.hasNext(); ) {
+		type = (ch.epfl.lamp.compiler.msil.Type)i.next();
+		clrParser().importType(type, peckage, members);
+	    }
+	}
+
         for (Iterator i = packages.entrySet().iterator(); i.hasNext(); ) {
             HashMap.Entry entry = (HashMap.Entry)i.next();
             String name = (String)entry.getKey();
             AbstractFile dfile = (AbstractFile)entry.getValue();
             SymbolLoader loader = new PackageParser(global, dfile);
             peckage.newLoadedPackage(Name.fromString(name), loader, members);
+	    if (forMSIL)
+		namespaces.remove(name);
         }
 
-        // collect and create CLR members
-	if (global.target == global.TARGET_MSIL)
-            CLRPackageParser.instance(global).importCLRTypes(peckage, members);
+	if (forMSIL) {
+ 	    // import the CLR namespaces contained in the package (namespace)
+ 	    for (Iterator i = namespaces.iterator(); i.hasNext(); ) {
+ 		String namespace = (String)i.next();
+ 		clrParser().importNamespace(namespace, peckage, members);
+ 	    }
+	}
 
         // initialize package
         peckage.setInfo(Type.compoundType(Type.EMPTY_ARRAY, members, peckage));
         return "directory path '" + directory + "'";
     }
 
+    private CLRPackageParser clrParser() {
+	return CLRPackageParser.instance(global);
+    }
+
     //########################################################################
 }
-- 
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