Applied all D2 changes to trunk. It should now be a fully functional D2 runtime.

import/object.di

@@ -6,9 +6,9 @@ alias typeof(cast(void*)0 - cast(void*)0)   ptrdiff_t;
 alias size_t hash_t;
 alias int equals_t;
 
-alias char[]  string;
+alias invariant(char)[]  string;
-alias wchar[] wstring;
+alias invariant(wchar)[] wstring;
-alias dchar[] dstring;
+alias invariant(dchar)[] dstring;
 
 class Object
 {
@@ -45,12 +45,15 @@ class ClassInfo : Object
     //  2:      // has no possible pointers into GC memory
     //  4:      // has offTi[] member
     //  8:      // has constructors
+    // 16:      // has xgetMembers member
     void*       deallocator;
     OffsetTypeInfo[] offTi;
     void*       defaultConstructor;
+    const(MemberInfo[]) function(string) xgetMembers;
 
     static ClassInfo find(in char[] classname);
     Object create();
+    const(MemberInfo[]) getMembers(in char[] classname);
 }
 
 struct OffsetTypeInfo
@@ -71,6 +74,8 @@ class TypeInfo
     uint     flags();
     // 1:    // has possible pointers into GC memory
     OffsetTypeInfo[] offTi();
+    void destroy(void* p);
+    void postblit(void* p);
 }
 
 class TypeInfo_Typedef : TypeInfo
@@ -82,6 +87,7 @@ class TypeInfo_Typedef : TypeInfo
 
 class TypeInfo_Enum : TypeInfo_Typedef
 {
+
 }
 
 class TypeInfo_Pointer : TypeInfo
@@ -138,6 +144,9 @@ class TypeInfo_Struct : TypeInfo
 
     uint m_flags;
 
+    const(MemberInfo[]) function(in char[]) xgetMembers;
+    void function(void*)                    xdtor;
+    void function(void*)                    xpostblit;
 }
 
 class TypeInfo_Tuple : TypeInfo
@@ -145,6 +154,47 @@ class TypeInfo_Tuple : TypeInfo
     TypeInfo[]  elements;
 }
 
+class TypeInfo_Const : TypeInfo
+{
+    TypeInfo next;
+}
+
+class TypeInfo_Invariant : TypeInfo_Const
+{
+
+}
+
+abstract class MemberInfo
+{
+    string name();
+}
+
+class MemberInfo_field : MemberInfo
+{
+    this(string name, TypeInfo ti, size_t offset);
+
+    override string name();
+    TypeInfo typeInfo();
+    size_t offset();
+}
+
+class MemberInfo_function : MemberInfo
+{
+    enum
+    {
+        Virtual = 1,
+        Member  = 2,
+        Static  = 4,
+    }
+
+    this(string name, TypeInfo ti, void* fp, uint flags);
+
+    override string name();
+    TypeInfo typeInfo();
+    void* fp();
+    uint flags();
+}
+
 class ModuleInfo
 {
     string          name;
@@ -163,7 +213,7 @@ class Exception : Object
 {
     interface TraceInfo
     {
-        int opApply( int delegate( inout char[] ) );
+        int opApply( int delegate(inout char[]) );
         string toString();
     }
 

import/stdc/stdio.d

@@ -234,11 +234,11 @@ version( Windows )
     {
         extern FILE[_NFILE]* _imp___iob;
 
-        const FILE* stdin;
+        auto FILE* stdin;
-        const FILE* stdout;
+        auto FILE* stdout;
-        const FILE* stderr;
+        auto FILE* stderr;
-        const FILE* stdaux;
+        auto FILE* stdaux;
-        const FILE* stdprn;
+        auto FILE* stdprn;
 
         static this()
         {
@@ -253,11 +253,11 @@ version( Windows )
     {
         extern FILE[_NFILE] _iob;
 
-        const FILE* stdin  = &_iob[0];
+        auto FILE* stdin  = &_iob[0];
-        const FILE* stdout = &_iob[1];
+        auto FILE* stdout = &_iob[1];
-        const FILE* stderr = &_iob[2];
+        auto FILE* stderr = &_iob[2];
-        const FILE* stdaux = &_iob[3];
+        auto FILE* stdaux = &_iob[3];
-        const FILE* stdprn = &_iob[4];
+        auto FILE* stdprn = &_iob[4];
     }
 }
 else version( linux )
@@ -279,9 +279,9 @@ else version( darwin )
     extern FILE* __stdoutp;
     extern FILE* __stderrp;
 
-    const FILE* stdin;
+    auto FILE* stdin;
-    const FILE* stdout;
+    auto FILE* stdout;
-    const FILE* stderr;
+    auto FILE* stderr;
 
     static this()
     {
@@ -294,9 +294,9 @@ else version( freebsd )
 {
     extern FILE[3] __sF;
 
-    const FILE* stdin  = &__sF[0];
+    auto FILE* stdin  = &__sF[0];
-    const FILE* stdout = &__sF[1];
+    auto FILE* stdout = &__sF[1];
-    const FILE* stderr = &__sF[2];
+    auto FILE* stderr = &__sF[2];
 }
 else
 {

src/compiler/dmd/arrayassign.d

@@ -0,0 +1,180 @@
+/**
+ * Part of the D programming language runtime library.
+ *  http://www.digitalmars.com
+ *  Written by Walter Bright
+ *  Placed in the Public Domain
+ */
+module rt.arrayassign;
+
+private
+{
+    import util.string;
+    import stdc.string;
+    import stdc.stdlib;
+    debug(PRINTF) import stdc.stdio;
+}
+
+/**
+ * Does array assignment (not construction) from another
+ * array of the same element type.
+ * ti is the element type.
+ * Handles overlapping copies.
+ */
+extern (C) void[] _d_arrayassign(TypeInfo ti, void[] from, void[] to)
+{
+    debug(PRINTF) printf("_d_arrayassign(from = %p,%d, to = %p,%d) size = %d\n", from.ptr, from.length, to.ptr, to.length, ti.tsize());
+
+    if (to.length != from.length)
+    {
+        char[10] tmp = void;
+        string msg = "lengths don't match for array copy,"c;
+        msg ~= tmp.intToString(to.length) ~ " = " ~ tmp.intToString(from.length);
+        throw new Exception(msg);
+    }
+
+    auto element_size = ti.tsize();
+
+    /* Need a temporary buffer tmp[] big enough to hold one element
+     */
+    void[16] buf = void;
+    void[] tmp;
+    if (element_size > buf.sizeof)
+        tmp = alloca(element_size)[0 .. element_size];
+    else
+        tmp = buf;
+
+
+    if (to.ptr <= from.ptr)
+    {
+        foreach (i; 0 .. to.length)
+        {
+            void* pto   = to.ptr   + i * element_size;
+            void* pfrom = from.ptr + i * element_size;
+            memcpy(tmp.ptr, pto, element_size);
+            memcpy(pto, pfrom, element_size);
+            ti.postblit(pto);
+            ti.destroy(tmp.ptr);
+        }
+    }
+    else
+    {
+        for (int i = to.length; i--; )
+        {
+            void* pto   = to.ptr   + i * element_size;
+            void* pfrom = from.ptr + i * element_size;
+            memcpy(tmp.ptr, pto, element_size);
+            memcpy(pto, pfrom, element_size);
+            ti.postblit(pto);
+            ti.destroy(tmp.ptr);
+        }
+    }
+    return to;
+}
+
+/**
+ * Does array initialization (not assignment) from another
+ * array of the same element type.
+ * ti is the element type.
+ */
+extern (C) void[] _d_arrayctor(TypeInfo ti, void[] from, void[] to)
+{
+    debug(PRINTF) printf("_d_arrayctor(from = %p,%d, to = %p,%d) size = %d\n", from.ptr, from.length, to.ptr, to.length, ti.tsize());
+
+    if (to.length != from.length)
+    {
+        char[10] tmp = void;
+        string msg = "lengths don't match for array initialization,"c;
+        msg ~= tmp.intToString(to.length) ~ " = " ~ tmp.intToString(from.length);
+        throw new Exception(msg);
+    }
+
+    auto element_size = ti.tsize();
+
+    int i;
+    try
+    {
+        for (i = 0; i < to.length; i++)
+        {
+            // Copy construction is defined as bit copy followed by postblit.
+            memcpy(to.ptr + i * element_size, from.ptr + i * element_size, element_size);
+            ti.postblit(to.ptr + i * element_size);
+        }
+    }
+    catch (Object o)
+    {
+        /* Destroy, in reverse order, what we've constructed so far
+         */
+        while (i--)
+        {
+            ti.destroy(to.ptr + i * element_size);
+        }
+
+        throw o;
+    }
+    return to;
+}
+
+
+/**
+ * Do assignment to an array.
+ *      p[0 .. count] = value;
+ */
+extern (C) void* _d_arraysetassign(void* p, void* value, int count, TypeInfo ti)
+{
+    void* pstart = p;
+
+    auto element_size = ti.tsize();
+
+    //Need a temporary buffer tmp[] big enough to hold one element
+    void[16] buf = void;
+    void[] tmp;
+    if (element_size > buf.sizeof)
+    {
+        tmp = alloca(element_size)[0 .. element_size];
+    }
+    else
+        tmp = buf;
+
+    foreach (i; 0 .. count)
+    {
+        memcpy(tmp.ptr, p, element_size);
+        memcpy(p, value, element_size);
+        ti.postblit(p);
+        ti.destroy(tmp.ptr);
+        p += element_size;
+    }
+    return pstart;
+}
+
+/**
+ * Do construction of an array.
+ *      ti[count] p = value;
+ */
+extern (C) void* _d_arraysetctor(void* p, void* value, int count, TypeInfo ti)
+{
+    void* pstart = p;
+    auto element_size = ti.tsize();
+
+    try
+    {
+        foreach (i; 0 .. count)
+        {
+            // Copy construction is defined as bit copy followed by postblit.
+            memcpy(p, value, element_size);
+            ti.postblit(p);
+            p += element_size;
+        }
+    }
+    catch (Object o)
+    {
+        // Destroy, in reverse order, what we've constructed so far
+        while (p > pstart)
+        {
+            p -= element_size;
+            ti.destroy(p);
+        }
+
+        throw o;
+    }
+    return pstart;
+}

src/compiler/dmd/dmain2.d

@@ -74,6 +74,11 @@ extern (C) void _d_switch_error( string file, uint line )
     onSwitchError( file, line );
 }
 
+extern (C) void _d_hidden_func()
+{
+    // TODO: Figure out what to do with this routine
+}
+
 bool _d_isHalting = false;
 
 extern (C) bool rt_isHalting()

src/compiler/dmd/object_.d

@@ -68,9 +68,9 @@ else
 alias size_t hash_t;
 alias int equals_t;
 
-alias char[]  string;
+alias invariant(char)[]  string;
-alias wchar[] wstring;
+alias invariant(wchar)[] wstring;
-alias dchar[] dstring;
+alias invariant(dchar)[] dstring;
 
 /**
  * All D class objects inherit from Object.
@@ -160,9 +160,11 @@ class ClassInfo : Object
     //  2:                      // has no possible pointers into GC memory
     //  4:                      // has offTi[] member
     //  8:                      // has constructors
+    // 16:                      // has xgetMembers member
     void*       deallocator;
     OffsetTypeInfo[] offTi;
     void function(Object) defaultConstructor;   // default Constructor
+    const(MemberInfo[]) function(in char[]) xgetMembers;
 
     /**
      * Search all modules for ClassInfo corresponding to classname.
@@ -197,6 +199,16 @@ class ClassInfo : Object
         }
         return o;
     }
+    /**
+     * Search for all members with the name 'name'.
+     * If name[] is null, return all members.
+     */
+    const(MemberInfo[]) getMembers(in char[] name)
+    {
+        if (flags & 16 && xgetMembers)
+            return xgetMembers(name);
+        return null;
+    }
 }
 
 /**
@@ -282,6 +294,10 @@ class TypeInfo
 
     /// Get type information on the contents of the type; null if not available
     OffsetTypeInfo[] offTi() { return null; }
+    /// Run the destructor on the object and all its sub-objects
+    void destroy(void* p) {}
+    /// Run the postblit on the object and all its sub-objects
+    void postblit(void* p) {}
 }
 
 class TypeInfo_Typedef : TypeInfo
@@ -526,6 +542,27 @@ class TypeInfo_StaticArray : TypeInfo
     override TypeInfo next() { return value; }
     override uint flags() { return value.flags(); }
 
+    override void destroy(void* p)
+    {
+        auto sz = value.tsize();
+        p += sz * len;
+        foreach (i; 0 .. len)
+        {
+            p -= sz;
+            value.destroy(p);
+        }
+    }
+
+    override void postblit(void* p)
+    {
+        auto sz = value.tsize();
+        foreach (i; 0 .. len)
+        {
+            value.postblit(p);
+            p += sz;
+        }
+    }
+
     TypeInfo value;
     size_t   len;
 }
@@ -768,7 +805,7 @@ class TypeInfo_Struct : TypeInfo
             // A sorry hash algorithm.
             // Should use the one for strings.
             // BUG: relies on the GC not moving objects
-            auto q = cast(ubyte*)p;
+            auto q = cast(const(ubyte)*)p;
             for (size_t i = 0; i < init.length; i++)
             {
                 h = h * 9 + *q;
@@ -821,6 +858,18 @@ class TypeInfo_Struct : TypeInfo
 
     override uint flags() { return m_flags; }
 
+    override void destroy(void* p)
+    {
+        if (xdtor)
+            (*xdtor)(p);
+    }
+
+    override void postblit(void* p)
+    {
+        if (xpostblit)
+            (*xpostblit)(p);
+    }
+
     string name;
     void[] m_init;      // initializer; init.ptr == null if 0 initialize
 
@@ -830,6 +879,10 @@ class TypeInfo_Struct : TypeInfo
     char[]   function(in void*)           xtoString;
 
     uint m_flags;
+
+    const(MemberInfo[]) function(in char[]) xgetMembers;
+    void function(void*)                    xdtor;
+    void function(void*)                    xpostblit;
 }
 
 class TypeInfo_Tuple : TypeInfo
@@ -891,6 +944,89 @@ class TypeInfo_Tuple : TypeInfo
     {
         assert(0);
     }
+
+    override void destroy(void* p)
+    {
+        assert(0);
+    }
+
+    override void postblit(void* p)
+    {
+        assert(0);
+    }
+}
+
+class TypeInfo_Const : TypeInfo
+{
+    override string toString()
+    {
+        return cast(string) ("const(" ~ base.toString() ~ ")");
+    }
+
+    override equals_t opEquals(Object o) { return base.opEquals(o); }
+    override hash_t getHash(in void *p) { return base.getHash(p); }
+    override equals_t equals(in void *p1, in void *p2) { return base.equals(p1, p2); }
+    override int compare(in void *p1, in void *p2) { return base.compare(p1, p2); }
+    override size_t tsize() { return base.tsize(); }
+    override void swap(void *p1, void *p2) { return base.swap(p1, p2); }
+
+    override TypeInfo next() { return base.next(); }
+    override uint flags() { return base.flags(); }
+    override void[] init() { return base.init(); }
+
+    TypeInfo base;
+}
+
+class TypeInfo_Invariant : TypeInfo_Const
+{
+    override string toString()
+    {
+        return cast(string) ("invariant(" ~ base.toString() ~ ")");
+    }
+}
+
+abstract class MemberInfo
+{
+    string name();
+}
+
+class MemberInfo_field : MemberInfo
+{
+    this(string name, TypeInfo ti, size_t offset)
+    {
+        m_name = name;
+        m_typeinfo = ti;
+        m_offset = offset;
+    }
+
+    override string name() { return m_name; }
+    TypeInfo typeInfo() { return m_typeinfo; }
+    size_t offset() { return m_offset; }
+
+    string   m_name;
+    TypeInfo m_typeinfo;
+    size_t   m_offset;
+}
+
+class MemberInfo_function : MemberInfo
+{
+    this(string name, TypeInfo ti, void* fp, uint flags)
+    {
+        m_name = name;
+        m_typeinfo = ti;
+        m_fp = fp;
+        m_flags = flags;
+    }
+
+    override string name() { return m_name; }
+    TypeInfo typeInfo() { return m_typeinfo; }
+    void* fp() { return m_fp; }
+    uint flags() { return m_flags; }
+
+    string   m_name;
+    TypeInfo m_typeinfo;
+    void*    m_fp;
+    uint     m_flags;
 }
 
 

src/compiler/dmd/posix.mak

@@ -67,6 +67,7 @@ OBJ_BASE= \
     aApplyR.o \
     adi.o \
     alloca.o \
+    arrayassign.o \
     arraybyte.o \
     arraycast.o \
     arraycat.o \

src/compiler/dmd/win32.mak

@@ -63,6 +63,7 @@ OBJ_BASE= \
     aApply.obj \
     aApplyR.obj \
     adi.obj \
+    arrayassign.obj \
     arraybyte.obj \
     arraycast.obj \
     arraycat.obj \

src/gc/basic/gcbits.d

@@ -66,7 +66,7 @@ struct GCBits
         }
     }
 
-    invariant
+    invariant()
     {
         if (data)
         {

src/gc/basic/gcx.d

@@ -261,7 +261,7 @@ class GC
     }
 
 
-    invariant
+    invariant()
     {
         if (gcx)
         {
@@ -1471,7 +1471,7 @@ struct Gcx
     void Invariant() { }
 
 
-    invariant
+    invariant()
     {
         if (inited)
         {
@@ -2807,7 +2807,7 @@ struct Pool
     void Invariant() { }
 
 
-    invariant
+    invariant()
     {
         //mark.Invariant();
         //scan.Invariant();