Remove gen/utils.h

ArrayIter<> is replaced by Array<>::iterator or other patterns.
The class is now unused and can be removed.

gen/utils.h

@@ -1,86 +0,0 @@
-//===-- gen/utils.h - Utilities for handling frontend types -----*- C++ -*-===//
-//
-//                         LDC – the LLVM D compiler
-//
-// This file is distributed under the BSD-style LDC license. See the LICENSE
-// file for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Some utilities for handling front-end types in a more C++-like fashion.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LDC_GEN_UTILS_H
-#define LDC_GEN_UTILS_H
-
-#include "root.h"
-
-/// Very simple templated iterator for DMD ArrayS.
-template<class C>
-struct ArrayIter
-{
-    Array<C>* array;
-    size_t index;
-
-    ArrayIter(Array<C>& arr, size_t idx = 0)
-    :   array(&arr), index(idx)
-    { }
-    ArrayIter(Array<C>* arr, size_t idx = 0)
-    :   array(arr), index(idx)
-    { assert(arr && "null array"); }
-
-    ArrayIter<C>& operator=(const Array<C>& arr)
-    {
-        array = const_cast<Array<C>*>(&arr);
-        index = 0;
-        return *this;
-    }
-    ArrayIter<C>& operator=(const Array<C>* arr)
-    {
-        assert(arr && "null array");
-        array = const_cast<Array<C>*>(arr);
-        index = 0;
-        return *this;
-    }
-
-    bool done()
-    {
-        return index >= array->dim;
-    }
-    bool more()
-    {
-        return index < array->dim;
-    }
-
-    C* get() {
-        return (*array)[index];
-    }
-    C* operator->() {
-        return get();
-    }
-    C* operator*() {
-        return get();
-    }
-
-    void next()
-    {
-        ++index;
-    }
-
-    bool operator==(const ArrayIter<C>& other) {
-        return &array->data[index] == &other.array->data[other.index];
-    }
-};
-
-// From dsymbol.h / declaration.h
-class Dsymbol;
-class FuncDeclaration;
-class VarDeclaration;
-
-// some aliases
-typedef ArrayIter<Dsymbol> DsymbolIter;
-typedef ArrayIter<FuncDeclaration> FuncDeclarationIter;
-typedef ArrayIter<VarDeclaration> VarDeclarationIter;
-
-#endif