diff libinterp/parse-tree/jit-typeinfo.cc @ 24847:fa4e852dae1e

use m_ prefix consistently in jit compiler classes in the parser * jit-ir.cc, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, jit-util.cc, jit-util.h, pt-jit.cc: Use m_ prefix consistently in jit compiler classes in the parser. Style fixes.
author John W. Eaton <jwe@octave.org>
date Wed, 07 Mar 2018 16:42:08 -0500
parents 194eb4bd202b
children 6652d3823428
line wrap: on
line diff
--- a/libinterp/parse-tree/jit-typeinfo.cc	Wed Mar 07 14:56:03 2018 -0500
+++ b/libinterp/parse-tree/jit-typeinfo.cc	Wed Mar 07 16:42:08 2018 -0500
@@ -128,7 +128,7 @@
   extern "C" void
   octave_jit_release_matrix (jit_matrix *m)
   {
-    delete m->array;
+    delete m->m_array;
   }
 
   extern "C" octave_base_value *
@@ -141,16 +141,16 @@
   extern "C" jit_matrix
   octave_jit_grab_matrix (jit_matrix *m)
   {
-    return *m->array;
+    return *m->m_array;
   }
 
   extern "C" octave_base_value *
   octave_jit_cast_any_matrix (jit_matrix *m)
   {
-    octave_value ret (*m->array);
+    octave_value ret (*m->m_array);
     octave_base_value *rep = ret.internal_rep ();
     rep->grab ();
-    delete m->array;
+    delete m->m_array;
 
     return rep;
   }
@@ -222,8 +222,9 @@
   extern "C" void
   octave_jit_ginvalid_index (void)
   {
-    // FIXME: 0-argument form of octave::err_invalid_index removed in cset dd6345fd8a97
-    //        Report -1 as the bad index for all occurrences.
+    // FIXME: 0-argument form of octave::err_invalid_index removed in
+    //        cset dd6345fd8a97.  Report -1 as the bad index for all
+    //        occurrences.
     octave::err_invalid_index (static_cast<octave_idx_type> (-1));
   }
 
@@ -238,7 +239,7 @@
   octave_jit_paren_subsasgn_impl (jit_matrix *mat, octave_idx_type index,
                                   double value)
   {
-    NDArray *array = mat->array;
+    NDArray *array = mat->m_array;
     if (array->numel () < index)
       array->resize1 (index);
 
@@ -266,7 +267,7 @@
     Array<idx_vector> idx;
     make_indices (indicies, idx_count, idx);
 
-    Array<double> ret = mat->array->index (idx);
+    Array<double> ret = mat->m_array->index (idx);
 
     return ret.xelem (0);
   }
@@ -283,8 +284,8 @@
 
     Matrix temp (1, 1);
     temp.xelem(0) = value;
-    mat->array->assign (idx, temp);
-    ret.update (mat->array);
+    mat->m_array->assign (idx, temp);
+    ret.update (mat->m_array);
 
     return ret;
   }
@@ -293,7 +294,7 @@
   octave_jit_paren_subsasgn_matrix_range (jit_matrix *mat, jit_range *index,
                                           double value)
   {
-    NDArray *array = mat->array;
+    NDArray *array = mat->m_array;
     bool done = false;
 
     // optimize for the simple case (no resizing and no errors)
@@ -302,9 +303,9 @@
       {
         // this code is similar to idx_vector::fill, but we avoid allocating an
         // idx_vector and its associated rep
-        octave_idx_type start = static_cast<octave_idx_type> (index->base) - 1;
-        octave_idx_type step = static_cast<octave_idx_type> (index->inc);
-        octave_idx_type nelem = index->nelem;
+        octave_idx_type start = static_cast<octave_idx_type> (index->m_base) - 1;
+        octave_idx_type step = static_cast<octave_idx_type> (index->m_inc);
+        octave_idx_type nelem = index->m_nelem;
         octave_idx_type final = start + nelem * step;
         if (step < 0)
           {
@@ -312,7 +313,7 @@
             std::swap (final, start);
           }
 
-        if (start >= 0 && final < mat->slice_len)
+        if (start >= 0 && final < mat->m_slice_len)
           {
             done = true;
 
@@ -344,23 +345,23 @@
   octave_jit_end_matrix (jit_matrix *mat, octave_idx_type idx,
                          octave_idx_type count)
   {
-    octave_idx_type ndim = mat->dimensions[-1];
+    octave_idx_type ndim = mat->m_dimensions[-1];
     if (ndim == count)
-      return mat->dimensions[idx];
+      return mat->m_dimensions[idx];
     else if (ndim > count)
       {
         if (idx == count - 1)
           {
-            double ret = mat->dimensions[idx];
+            double ret = mat->m_dimensions[idx];
             for (octave_idx_type i = idx + 1; i < ndim; ++i)
-              ret *= mat->dimensions[idx];
+              ret *= mat->m_dimensions[idx];
             return ret;
           }
 
-        return mat->dimensions[idx];
+        return mat->m_dimensions[idx];
       }
     else // ndim < count
-      return idx < ndim ? mat->dimensions[idx] : 1;
+      return idx < ndim ? mat->m_dimensions[idx] : 1;
   }
 
   extern "C" octave_base_value *
@@ -489,8 +490,8 @@
   std::ostream&
   operator<< (std::ostream& os, const jit_range& rng)
   {
-    return os << "Range[" << rng.base << ", " << rng.limit << ", " << rng.inc
-              << ", " << rng.nelem << ']';
+    return os << "Range[" << rng.m_base << ", " << rng.m_limit
+              << ", " << rng.m_inc << ", " << rng.m_nelem << ']';
   }
 
 
@@ -499,9 +500,9 @@
   std::ostream&
   operator<< (std::ostream& os, const jit_matrix& mat)
   {
-    return os << "Matrix[" << mat.ref_count << ", " << mat.slice_data << ", "
-              << mat.slice_len << ", " << mat.dimensions << ", "
-              << mat.array << ']';
+    return os << "Matrix[" << mat.m_ref_count << ", " << mat.m_slice_data << ", "
+              << mat.m_slice_len << ", " << mat.m_dimensions << ", "
+              << mat.m_array << ']';
   }
 
 
@@ -509,22 +510,22 @@
 
   jit_type::jit_type (const std::string& aname, jit_type *aparent,
                       llvm::Type *allvm_type, bool askip_paren, int aid) :
-    mname (aname), mparent (aparent), llvm_type (allvm_type), mid (aid),
-    mdepth (aparent ? aparent->mdepth + 1 : 0), mskip_paren (askip_paren)
+    m_name (aname), m_parent (aparent), m_llvm_type (allvm_type), m_id (aid),
+    m_depth (aparent ? aparent->m_depth + 1 : 0), m_skip_paren (askip_paren)
   {
-    std::memset (msret, 0, sizeof (msret));
-    std::memset (mpointer_arg, 0, sizeof (mpointer_arg));
-    std::memset (mpack, 0, sizeof (mpack));
-    std::memset (munpack, 0, sizeof (munpack));
+    std::memset (m_sret, 0, sizeof (m_sret));
+    std::memset (m_pointer_arg, 0, sizeof (m_pointer_arg));
+    std::memset (m_pack, 0, sizeof (m_pack));
+    std::memset (m_unpack, 0, sizeof (m_unpack));
 
     for (size_t i = 0; i < jit_convention::length; ++i)
-      mpacked_type[i] = llvm_type;
+      m_packed_type[i] = m_llvm_type;
   }
 
   llvm::Type *
   jit_type::to_llvm_arg (void) const
   {
-    return llvm_type ? llvm_type->getPointerTo () : nullptr;
+    return m_llvm_type ? m_llvm_type->getPointerTo () : nullptr;
   }
 
   jit_type*
@@ -561,23 +562,23 @@
 
   // -------------------- jit_function --------------------
   jit_function::jit_function ()
-    : module (nullptr), llvm_function (nullptr), mresult (nullptr),
-      call_conv (jit_convention::length), mcan_error (false)
+    : m_module (nullptr), m_llvm_function (nullptr), m_result (nullptr),
+      m_call_conv (jit_convention::length), m_can_error (false)
   { }
 
   jit_function::jit_function (const jit_module *amodule,
                               jit_convention::type acall_conv,
                               const llvm::Twine& aname, jit_type *aresult,
                               const std::vector<jit_type *>& aargs)
-    : module (amodule), mresult (aresult), args (aargs), call_conv (acall_conv),
-      mcan_error (false)
+    : m_module (amodule), m_result (aresult), m_args (aargs), m_call_conv (acall_conv),
+      m_can_error (false)
   {
     llvm::SmallVector<llvm::Type *, 15> llvm_args;
 
     llvm::Type *rtype = llvm::Type::getVoidTy (context);
-    if (mresult)
+    if (m_result)
       {
-        rtype = mresult->packed_type (call_conv);
+        rtype = m_result->packed_type (m_call_conv);
         if (sret ())
           {
             llvm_args.push_back (rtype->getPointerTo ());
@@ -585,20 +586,20 @@
           }
       }
 
-    for (std::vector<jit_type *>::const_iterator iter = args.begin ();
-         iter != args.end (); ++iter)
+    for (std::vector<jit_type *>::const_iterator iter = m_args.begin ();
+         iter != m_args.end (); ++iter)
       {
         jit_type *ty = *iter;
         assert (ty);
-        llvm::Type *argty = ty->packed_type (call_conv);
-        if (ty->pointer_arg (call_conv))
+        llvm::Type *argty = ty->packed_type (m_call_conv);
+        if (ty->pointer_arg (m_call_conv))
           argty = argty->getPointerTo ();
 
         llvm_args.push_back (argty);
       }
 
     llvm::FunctionType *ft = llvm::FunctionType::get (rtype, llvm_args, false);
-    llvm_function = module->create_llvm_function (ft, aname);
+    m_llvm_function = m_module->create_llvm_function (ft, aname);
 
     if (sret ())
       {
@@ -606,52 +607,52 @@
         llvm::AttrBuilder attr_builder;
         attr_builder.addAttribute (llvm::Attributes::StructRet);
         llvm::Attributes attrs = llvm::Attributes::get(context, attr_builder);
-        llvm_function->addAttribute (1, attrs);
+        m_llvm_function->addAttribute (1, attrs);
 #else
-        llvm_function->addAttribute (1, llvm::Attribute::StructRet);
+        m_llvm_function->addAttribute (1, llvm::Attribute::StructRet);
 #endif
       }
 
-    if (call_conv == jit_convention::internal)
+    if (m_call_conv == jit_convention::internal)
 #if defined (FUNCTION_ADDFNATTR_ARG_IS_ATTRIBUTES)
-      llvm_function->addFnAttr (llvm::Attributes::AlwaysInline);
+      m_llvm_function->addFnAttr (llvm::Attributes::AlwaysInline);
 #else
-    llvm_function->addFnAttr (llvm::Attribute::AlwaysInline);
+    m_llvm_function->addFnAttr (llvm::Attribute::AlwaysInline);
 #endif
   }
 
   jit_function::jit_function (const jit_function& fn, jit_type *aresult,
                               const std::vector<jit_type *>& aargs)
-    : module (fn.module), llvm_function (fn.llvm_function), mresult (aresult),
-      args (aargs), call_conv (fn.call_conv), mcan_error (fn.mcan_error)
+    : m_module (fn.m_module), m_llvm_function (fn.m_llvm_function), m_result (aresult),
+      m_args (aargs), m_call_conv (fn.m_call_conv), m_can_error (fn.m_can_error)
   { }
 
   jit_function::jit_function (const jit_function& fn)
-    : module (fn.module), llvm_function (fn.llvm_function), mresult (fn.mresult),
-      args (fn.args), call_conv (fn.call_conv), mcan_error (fn.mcan_error)
+    : m_module (fn.m_module), m_llvm_function (fn.m_llvm_function), m_result (fn.m_result),
+      m_args (fn.m_args), m_call_conv (fn.m_call_conv), m_can_error (fn.m_can_error)
   { }
 
   void
   jit_function::erase (void)
   {
-    if (! llvm_function)
+    if (! m_llvm_function)
       return;
 
-    llvm_function->eraseFromParent ();
-    llvm_function = 0;
+    m_llvm_function->eraseFromParent ();
+    m_llvm_function = 0;
   }
 
   std::string
   jit_function::name (void) const
   {
-    return llvm_function->getName ();
+    return m_llvm_function->getName ();
   }
 
   llvm::BasicBlock *
   jit_function::new_block (const std::string& aname,
                            llvm::BasicBlock *insert_before)
   {
-    return llvm::BasicBlock::Create (context, aname, llvm_function,
+    return llvm::BasicBlock::Create (context, aname, m_llvm_function,
                                      insert_before);
   }
 
@@ -662,8 +663,8 @@
     if (! valid ())
       throw jit_fail_exception ("Call not implemented");
 
-    assert (in_args.size () == args.size ());
-    std::vector<llvm::Value *> llvm_args (args.size ());
+    assert (in_args.size () == m_args.size ());
+    std::vector<llvm::Value *> llvm_args (m_args.size ());
     for (size_t i = 0; i < in_args.size (); ++i)
       llvm_args[i] = in_args[i]->to_llvm ();
 
@@ -677,7 +678,7 @@
     if (! valid ())
       throw jit_fail_exception ("Call not implemented");
 
-    assert (in_args.size () == args.size ());
+    assert (in_args.size () == m_args.size ());
     llvm::SmallVector<llvm::Value *, 10> llvm_args;
     llvm_args.reserve (in_args.size () + sret ());
 
@@ -692,20 +693,20 @@
     llvm::AllocaInst *sret_mem = nullptr;
     if (sret ())
       {
-        sret_mem = pre_builder.CreateAlloca (mresult->packed_type (call_conv));
+        sret_mem = pre_builder.CreateAlloca (m_result->packed_type (m_call_conv));
         llvm_args.push_back (sret_mem);
       }
 
     for (size_t i = 0; i < in_args.size (); ++i)
       {
         llvm::Value *arg = in_args[i];
-        jit_type::convert_fn convert = args[i]->pack (call_conv);
+        jit_type::convert_fn convert = m_args[i]->pack (m_call_conv);
         if (convert)
           arg = convert (builder, arg);
 
-        if (args[i]->pointer_arg (call_conv))
+        if (m_args[i]->pointer_arg (m_call_conv))
           {
-            llvm::Type *ty = args[i]->packed_type (call_conv);
+            llvm::Type *ty = m_args[i]->packed_type (m_call_conv);
             llvm::Value *alloca = pre_builder.CreateAlloca (ty);
             builder.CreateStore (arg, alloca);
             arg = alloca;
@@ -714,7 +715,7 @@
         llvm_args.push_back (arg);
       }
 
-    llvm::CallInst *callinst = builder.CreateCall (llvm_function, llvm_args);
+    llvm::CallInst *callinst = builder.CreateCall (m_llvm_function, llvm_args);
     llvm::Value *ret = callinst;
 
     if (sret ())
@@ -730,9 +731,9 @@
         ret = builder.CreateLoad (sret_mem);
       }
 
-    if (mresult)
+    if (m_result)
       {
-        jit_type::convert_fn unpack = mresult->unpack (call_conv);
+        jit_type::convert_fn unpack = m_result->unpack (m_call_conv);
         if (unpack)
           ret = unpack (builder, ret);
       }
@@ -743,18 +744,18 @@
   llvm::Value *
   jit_function::argument (llvm::IRBuilderD& builder, size_t idx) const
   {
-    assert (idx < args.size ());
+    assert (idx < m_args.size ());
 
     // FIXME: We should be treating arguments like a list, not a vector.
     // Shouldn't matter much for now, as the number of arguments shouldn't
     // be much bigger than 4
-    llvm::Function::arg_iterator iter = llvm_function->arg_begin ();
+    llvm::Function::arg_iterator iter = m_llvm_function->arg_begin ();
     if (sret ())
       ++iter;
 
     for (size_t i = 0; i < idx; ++i, ++iter);
 
-    if (args[idx]->pointer_arg (call_conv))
+    if (m_args[idx]->pointer_arg (m_call_conv))
       return builder.CreateLoad (&*iter);
 
     return &*iter;
@@ -764,17 +765,17 @@
   jit_function::do_return (llvm::IRBuilderD& builder, llvm::Value *rval,
                            bool verify)
   {
-    assert (! rval == ! mresult);
+    assert (! rval == ! m_result);
 
     if (rval)
       {
-        jit_type::convert_fn convert = mresult->pack (call_conv);
+        jit_type::convert_fn convert = m_result->pack (m_call_conv);
         if (convert)
           rval = convert (builder, rval);
 
         if (sret ())
           {
-            builder.CreateStore (rval, &*(llvm_function->arg_begin ()));
+            builder.CreateStore (rval, &*(m_llvm_function->arg_begin ()));
             builder.CreateRetVoid ();
           }
         else
@@ -784,14 +785,14 @@
       builder.CreateRetVoid ();
 
     if (verify)
-      llvm::verifyFunction (*llvm_function);
+      llvm::verifyFunction (*m_llvm_function);
   }
 
   std::ostream&
   operator<< (std::ostream& os, const jit_function& fn)
   {
     llvm::Function *lfn = fn.to_llvm ();
-    os << "jit_function: cc=" << fn.call_conv;
+    os << "jit_function: cc=" << fn.m_call_conv;
     llvm::raw_os_ostream llvm_out (os);
     lfn->print (llvm_out);
     llvm_out.flush ();
@@ -801,8 +802,8 @@
   // -------------------- jit_operation --------------------
   jit_operation::~jit_operation (void)
   {
-    for (generated_map::iterator iter = generated.begin ();
-         iter != generated.end (); ++iter)
+    for (generated_map::iterator iter = m_generated.begin ();
+         iter != m_generated.end (); ++iter)
       {
         delete iter->first;
         delete iter->second;
@@ -816,10 +817,10 @@
     // Number of input arguments of the overload that is being registered
     size_t nargs = args.size ();
 
-    if (nargs >= overloads.size ())
-      overloads.resize (nargs + 1);
+    if (nargs >= m_overloads.size ())
+      m_overloads.resize (nargs + 1);
 
-    Array<jit_function>& over = overloads[nargs];
+    Array<jit_function>& over = m_overloads[nargs];
     dim_vector dv (over.dims ());
     Array<octave_idx_type> idx = to_idx (args);
     bool must_resize = false;
@@ -854,10 +855,10 @@
       if (! types[i])
         return null_overload;
 
-    if (nargs >= overloads.size ())
+    if (nargs >= m_overloads.size ())
       return do_generate (types);
 
-    const Array<jit_function>& over = overloads[nargs];
+    const Array<jit_function>& over = m_overloads[nargs];
     dim_vector dv (over.dims ());
     Array<octave_idx_type> idx = to_idx (types);
     for (octave_idx_type i = 0; i < dv.length (); ++i)
@@ -897,8 +898,8 @@
   jit_operation::do_generate (const signature_vec& types) const
   {
     static jit_function null_overload;
-    generated_map::const_iterator find = generated.find (&types);
-    if (find != generated.end ())
+    generated_map::const_iterator find = m_generated.find (&types);
+    if (find != m_generated.end ())
       {
         if (find->second)
           return *find->second;
@@ -907,7 +908,7 @@
       }
 
     jit_function *ret = generate (types);
-    generated[new signature_vec (types)] = ret;
+    m_generated[new signature_vec (types)] = ret;
     return ret ? *ret : null_overload;
   }
 
@@ -982,19 +983,19 @@
 
   jit_paren_subsref::jit_paren_subsref (const jit_typeinfo& ti)
     : jit_index_operation (ti, "()subsref"),
-      paren_scalar (nullptr)
+      m_paren_scalar (nullptr)
   {
   }
 
-  jit_paren_subsref::~jit_paren_subsref ()
+  jit_paren_subsref::~jit_paren_subsref (void)
   {
-    delete paren_scalar;
+    delete m_paren_scalar;
   }
 
   jit_function *
   jit_paren_subsref::generate_matrix (const signature_vec& types) const
   {
-    if (paren_scalar == nullptr)
+    if (m_paren_scalar == nullptr)
       panic_impossible ();
 
     std::stringstream ss;
@@ -1002,17 +1003,17 @@
 
     // FIXME: Where will this be deleted?
     jit_function *fn = new jit_function
-      (typeinfo.create_internal (ss.str (), typeinfo.scalar, types));
+      (m_typeinfo.create_internal (ss.str (), m_typeinfo.m_scalar, types));
 
     fn->mark_can_error ();
     llvm::BasicBlock *body = fn->new_block ();
     llvm::IRBuilder<> builder (body);
 
     llvm::Value *array = create_arg_array (builder, *fn, 1, types.size ());
-    llvm::Value *nelem = llvm::ConstantInt::get (typeinfo.index_t,
+    llvm::Value *nelem = llvm::ConstantInt::get (m_typeinfo.m_index_t,
                                                  types.size () - 1);
     llvm::Value *mat = fn->argument (builder, 0);
-    llvm::Value *ret = paren_scalar->call (builder, mat, array, nelem);
+    llvm::Value *ret = m_paren_scalar->call (builder, mat, array, nelem);
     fn->do_return (builder, ret);
     return fn;
   }
@@ -1021,35 +1022,34 @@
   jit_paren_subsref::init_paren_scalar ()
   {
     std::vector<jit_type *> types (3);
-    types[0] = typeinfo.matrix;
-    types[1] = typeinfo.scalar_ptr;
-    types[2] = typeinfo.index;
+    types[0] = m_typeinfo.m_matrix;
+    types[1] = m_typeinfo.m_scalar_ptr;
+    types[2] = m_typeinfo.m_index;
 
-    paren_scalar = new jit_function
-      (typeinfo.create_external (&octave_jit_paren_scalar,
-                                 "octave_jit_paren_scalar",
-                                 typeinfo.scalar, types));
+    m_paren_scalar = new jit_function
+      (m_typeinfo.create_external (&octave_jit_paren_scalar,
+                                   "octave_jit_paren_scalar",
+                                   m_typeinfo.m_scalar, types));
 
-    paren_scalar->mark_can_error ();
+    m_paren_scalar->mark_can_error ();
   }
 
   // -------------------- jit_paren_subsasgn --------------------
 
   jit_paren_subsasgn::jit_paren_subsasgn (const jit_typeinfo& ti)
     : jit_index_operation (ti, "()subsasgn"),
-      paren_scalar (nullptr)
-  {
-  }
+      m_paren_scalar (nullptr)
+  { }
 
-  jit_paren_subsasgn::~jit_paren_subsasgn ()
+  jit_paren_subsasgn::~jit_paren_subsasgn (void)
   {
-    delete paren_scalar;
+    delete m_paren_scalar;
   }
 
   jit_function *
   jit_paren_subsasgn::generate_matrix (const signature_vec& types) const
   {
-    if (paren_scalar == nullptr)
+    if (m_paren_scalar == nullptr)
       panic_impossible ();
 
     std::stringstream ss;
@@ -1057,19 +1057,19 @@
 
     // FIXME: Where will this be deleted?
     jit_function *fn = new jit_function
-      (typeinfo.create_internal (ss.str (), typeinfo.matrix, types));
+      (m_typeinfo.create_internal (ss.str (), m_typeinfo.m_matrix, types));
 
     fn->mark_can_error ();
     llvm::BasicBlock *body = fn->new_block ();
     llvm::IRBuilder<> builder (body);
 
     llvm::Value *array = create_arg_array (builder, *fn, 1, types.size () - 1);
-    llvm::Value *nelem = llvm::ConstantInt::get (typeinfo.index_t,
+    llvm::Value *nelem = llvm::ConstantInt::get (m_typeinfo.m_index_t,
                                                  types.size () - 2);
 
     llvm::Value *mat = fn->argument (builder, 0);
     llvm::Value *value = fn->argument (builder, types.size () - 1);
-    llvm::Value *ret = paren_scalar->call (builder, mat, array, nelem, value);
+    llvm::Value *ret = m_paren_scalar->call (builder, mat, array, nelem, value);
     fn->do_return (builder, ret);
 
     return fn;
@@ -1079,29 +1079,29 @@
   jit_paren_subsasgn::init_paren_scalar ()
   {
     std::vector<jit_type *> types (4);
-    types[0] = typeinfo.matrix;
-    types[1] = typeinfo.scalar_ptr;
-    types[2] = typeinfo.index;
-    types[3] = typeinfo.scalar;
+    types[0] = m_typeinfo.m_matrix;
+    types[1] = m_typeinfo.m_scalar_ptr;
+    types[2] = m_typeinfo.m_index;
+    types[3] = m_typeinfo.m_scalar;
 
-    paren_scalar = new jit_function
-      (typeinfo.create_external (&octave_jit_paren_scalar_subsasgn,
-                                 "octave_jit_paren_scalar",
-                                 typeinfo.matrix, types));
+    m_paren_scalar = new jit_function
+      (m_typeinfo.create_external (&octave_jit_paren_scalar_subsasgn,
+                                   "octave_jit_paren_scalar",
+                                   m_typeinfo.m_matrix, types));
 
-    paren_scalar->mark_can_error ();
+    m_paren_scalar->mark_can_error ();
   }
 
 
   // -------------------- jit_typeinfo --------------------
 
-  bool jit_typeinfo::in_construction = false;
+  bool jit_typeinfo::s_in_construction = false;
 
   // Static method that holds the singleton instance
   jit_typeinfo&
   jit_typeinfo::instance (void)
   {
-    if (in_construction)
+    if (s_in_construction)
       // This state is typically reached when the constructor calls one
       // of the static methods of the singleton class...
       panic_impossible ();
@@ -1110,42 +1110,42 @@
     return typeinfo;
   }
 
-  jit_typeinfo::~jit_typeinfo ()
+  jit_typeinfo::~jit_typeinfo (void)
   {
-    while (! id_to_type.empty ())
+    while (! m_id_to_type.empty ())
       {
-        delete id_to_type.back ();
-        id_to_type.pop_back ();
+        delete m_id_to_type.back ();
+        m_id_to_type.pop_back ();
       }
 
-    delete builder_ptr;
-    delete base_jit_module;
+    delete m_builder_ptr;
+    delete m_base_jit_module;
   }
 
   // wrap function names to simplify jit_typeinfo::create_external
 #define JIT_FN(fn) &fn, #fn
 
-  jit_typeinfo::jit_typeinfo ()
+  jit_typeinfo::jit_typeinfo (void)
     : paren_subsref_fn (*this),
       paren_subsasgn_fn (*this),
-      next_id (0),
-      grab_fn ("grab"),
-      release_fn ("release"),
-      destroy_fn ("destroy"),
-      print_fn ("print"),
-      for_init_fn ("for_init"),
-      for_check_fn ("for_check"),
-      for_index_fn ("for_index"),
-      logically_true_fn ("logically_true"),
-      make_range_fn ("make_range"),
-      end1_fn ("end1"),
-      end_fn ("end"),
-      create_undef_fn ("create_undef"),
-      base_jit_module (new jit_module ("octaveJITBaseModule")),
-      builder_ptr (new llvm::IRBuilderD (context)),
-      builder (*builder_ptr)  // FIXME: Use a pointer directly in the constructor, and get rid of this
+      m_next_id (0),
+      m_grab_fn ("grab"),
+      m_release_fn ("release"),
+      m_destroy_fn ("destroy"),
+      m_print_fn ("print"),
+      m_for_init_fn ("for_init"),
+      m_for_check_fn ("for_check"),
+      m_for_index_fn ("for_index"),
+      m_logically_true_fn ("logically_true"),
+      m_make_range_fn ("make_range"),
+      m_end1_fn ("end1"),
+      m_end_fn ("end"),
+      m_create_undef_fn ("create_undef"),
+      m_base_jit_module (new jit_module ("octaveJITBaseModule")),
+      m_builder_ptr (new llvm::IRBuilderD (context)),
+      m_builder (*m_builder_ptr)  // FIXME: Use a pointer directly in the constructor, and get rid of this
   {
-    in_construction = true;
+    s_in_construction = true;
 
     // ----- Register basic JIT types -----
 
@@ -1154,113 +1154,113 @@
 
     // jit_types: "any"     < (nullptr)
     //            "any_ptr" < (nullptr)
-    any_t = llvm::StructType::create (context, "octave_base_value");
-    any_t = any_t->getPointerTo ();
-    any = do_register_new_type ("any", nullptr, any_t);
-    any_ptr = do_register_new_type ("any_ptr", nullptr, any_t->getPointerTo ());
+    m_any_t = llvm::StructType::create (context, "octave_base_value");
+    m_any_t = m_any_t->getPointerTo ();
+    m_any = do_register_new_type ("any", nullptr, m_any_t);
+    m_any_ptr = do_register_new_type ("any_ptr", nullptr, m_any_t->getPointerTo ());
 
     // jit_types: "scalar"     < "complex" < "any"
     //       and: "scalar_ptr" < (nullptr)
     // FIXME: what about sing-precision floats ???
     // FIXME: shouldn't we make scalar_ptr a sub_type of any_ptr ?
-    scalar_t = llvm::Type::getDoubleTy (context);
-    complex_t = llvm::ArrayType::get (scalar_t, 2);
-    complex = do_register_new_type ("complex", any, complex_t);
-    scalar = do_register_new_type ("scalar", complex, scalar_t);
-    scalar_ptr = do_register_new_type ("scalar_ptr", nullptr, scalar_t->getPointerTo ());
+    m_scalar_t = llvm::Type::getDoubleTy (context);
+    m_complex_t = llvm::ArrayType::get (m_scalar_t, 2);
+    m_complex = do_register_new_type ("complex", m_any, m_complex_t);
+    m_scalar = do_register_new_type ("scalar", m_complex, m_scalar_t);
+    m_scalar_ptr = do_register_new_type ("scalar_ptr", nullptr, m_scalar_t->getPointerTo ());
 
     // jit_type: "bool" < "any"
-    bool_t = llvm::Type::getInt1Ty (context);
-    boolean = do_register_new_type ("bool", any, bool_t);
+    m_bool_t = llvm::Type::getInt1Ty (context);
+    m_boolean = do_register_new_type ("bool", m_any, m_bool_t);
 
     // jit_types: "int8", "int16", "int32", "int64" < "any"
-    ints[ 8] = do_register_new_type ("int8",  any, llvm::Type::getIntNTy (context,  8));
-    ints[16] = do_register_new_type ("int16", any, llvm::Type::getIntNTy (context, 16));
-    ints[32] = do_register_new_type ("int32", any, llvm::Type::getIntNTy (context, 32));
-    ints[64] = do_register_new_type ("int64", any, llvm::Type::getIntNTy (context, 64));
+    m_ints[ 8] = do_register_new_type ("int8",  m_any, llvm::Type::getIntNTy (context,  8));
+    m_ints[16] = do_register_new_type ("int16", m_any, llvm::Type::getIntNTy (context, 16));
+    m_ints[32] = do_register_new_type ("int32", m_any, llvm::Type::getIntNTy (context, 32));
+    m_ints[64] = do_register_new_type ("int64", m_any, llvm::Type::getIntNTy (context, 64));
 
     // jit_type: "string" < "any"
-    string_t = llvm::Type::getInt8Ty (context);
-    string_t = string_t->getPointerTo ();
-    string = do_register_new_type ("string", any, string_t);
+    m_string_t = llvm::Type::getInt8Ty (context);
+    m_string_t = m_string_t->getPointerTo ();
+    m_string = do_register_new_type ("string", m_any, m_string_t);
 
     // jit_type: "index" < "any"
-    index_t = llvm::Type::getIntNTy (context, sizeof (octave_idx_type) * 8);
-    index = do_register_new_type ("index", any, index_t);
+    m_index_t = llvm::Type::getIntNTy (context, sizeof (octave_idx_type) * 8);
+    m_index = do_register_new_type ("index", m_any, m_index_t);
 
     // jit_type: "range" < "any"
-    range_t = llvm::StructType::create (context, "range");
+    m_range_t = llvm::StructType::create (context, "range");
     {
-      std::vector<llvm::Type *> range_contents (4, scalar_t);
-      range_contents[3] = index_t;
-      range_t->setBody (range_contents);
+      std::vector<llvm::Type *> range_contents (4, m_scalar_t);
+      range_contents[3] = m_index_t;
+      m_range_t->setBody (range_contents);
     }
-    range = do_register_new_type ("range", any, range_t);
+    m_range = do_register_new_type ("range", m_any, m_range_t);
 
     // jit_type: "matrix" < "any"
-    matrix_t = llvm::StructType::create (context, "matrix");
+    m_matrix_t = llvm::StructType::create (context, "matrix");
     {
       llvm::Type *refcount_t = llvm::Type::getIntNTy (context, sizeof(int) * 8);
       llvm::Type *matrix_contents[5];
       matrix_contents[0] = refcount_t->getPointerTo ();
-      matrix_contents[1] = scalar_t->getPointerTo ();
-      matrix_contents[2] = index_t;
-      matrix_contents[3] = index_t->getPointerTo ();
-      matrix_contents[4] = string_t;
-      matrix_t->setBody (llvm::makeArrayRef (matrix_contents, 5));
+      matrix_contents[1] = m_scalar_t->getPointerTo ();
+      matrix_contents[2] = m_index_t;
+      matrix_contents[3] = m_index_t->getPointerTo ();
+      matrix_contents[4] = m_string_t;
+      m_matrix_t->setBody (llvm::makeArrayRef (matrix_contents, 5));
     }
-    matrix = do_register_new_type ("matrix", any, matrix_t);
+    m_matrix = do_register_new_type ("matrix", m_any, m_matrix_t);
 
     // ----- Specify calling conventions -----
 
     // complex_ret is what is passed to C functions
     // in order to get calling convention right
-    complex_ret = llvm::StructType::create (context, "complex_ret");
+    m_complex_ret = llvm::StructType::create (context, "complex_ret");
     {
-      llvm::Type *cmplx_inner_cont[] = {scalar_t, scalar_t};
+      llvm::Type *cmplx_inner_cont[] = {m_scalar_t, m_scalar_t};
       llvm::StructType *cmplx_inner = llvm::StructType::create (cmplx_inner_cont);
       llvm::Type *contents[] = {cmplx_inner};
-      complex_ret->setBody (contents);
+      m_complex_ret->setBody (contents);
     }
 
     // FIXME: We should detect architecture and do something sane
     //        based on that here we assume x86 or x86_64
-    matrix->mark_sret (jit_convention::external);
-    matrix->mark_pointer_arg (jit_convention::external);
+    m_matrix->mark_sret (jit_convention::external);
+    m_matrix->mark_pointer_arg (jit_convention::external);
 
-    range->mark_sret (jit_convention::external);
-    range->mark_pointer_arg (jit_convention::external);
+    m_range->mark_sret (jit_convention::external);
+    m_range->mark_pointer_arg (jit_convention::external);
 
-    complex->set_pack (jit_convention::external, &jit_typeinfo::pack_complex);
-    complex->set_unpack (jit_convention::external, &jit_typeinfo::unpack_complex);
-    complex->set_packed_type (jit_convention::external, complex_ret);
+    m_complex->set_pack (jit_convention::external, &jit_typeinfo::pack_complex);
+    m_complex->set_unpack (jit_convention::external, &jit_typeinfo::unpack_complex);
+    m_complex->set_packed_type (jit_convention::external, m_complex_ret);
 
     if (sizeof (void *) == 4)
-      complex->mark_sret (jit_convention::external);
+      m_complex->mark_sret (jit_convention::external);
 
     paren_subsref_fn.init_paren_scalar ();
     paren_subsasgn_fn.init_paren_scalar ();
 
     // bind global variables
-    lerror_state = base_jit_module->create_global_variable (bool_t, false,
-                                                            "error_state");
+    m_lerror_state = m_base_jit_module->create_global_variable (m_bool_t, false,
+                                                                "error_state");
 
-    base_jit_module->add_global_mapping (lerror_state, &error_state);
+    m_base_jit_module->add_global_mapping (m_lerror_state, &error_state);
 
     // sig_atomic_type is going to be some sort of integer
-    sig_atomic_type = llvm::Type::getIntNTy (context, sizeof(sig_atomic_t) * 8);
+    m_sig_atomic_type = llvm::Type::getIntNTy (context, sizeof(sig_atomic_t) * 8);
 
-    loctave_interrupt_state = base_jit_module->create_global_variable
-      (sig_atomic_type, false, "octave_interrupt_state");
+    m_loctave_interrupt_state = m_base_jit_module->create_global_variable
+      (m_sig_atomic_type, false, "octave_interrupt_state");
 
-    base_jit_module->add_global_mapping (loctave_interrupt_state,
-                                         &octave_interrupt_state);
+    m_base_jit_module->add_global_mapping (m_loctave_interrupt_state,
+                                           &octave_interrupt_state);
 
     // generic call function
     {
       jit_type *int_t = do_get_intN (sizeof (octave_builtin::fcn) * 8);
-      any_call = create_external (JIT_FN (octave_jit_call), any, int_t, int_t,
-                                  any_ptr, int_t);
+      m_any_call = create_external (JIT_FN (octave_jit_call), m_any, int_t, int_t,
+                                    m_any_ptr, int_t);
     }
 
     // any with anything is an any op
@@ -1268,21 +1268,21 @@
     jit_type *binary_op_type = do_get_intN (sizeof (octave_value::binary_op) * 8);
     llvm::Type *llvm_bo_type = binary_op_type->to_llvm ();
     jit_function any_binary = create_external (JIT_FN (octave_jit_binary_any_any),
-                                               any, binary_op_type, any, any);
+                                               m_any, binary_op_type, m_any, m_any);
     any_binary.mark_can_error ();
 
     for (size_t i = 0; i < octave_value::num_binary_ops; ++i)
       {
         octave_value::binary_op op = static_cast<octave_value::binary_op> (i);
         std::string op_name = octave_value::binary_op_as_string (op);
-        binary_ops.push_back (jit_operation ("binary" + op_name));
+        m_binary_ops.push_back (jit_operation ("binary" + op_name));
       }
 
     for (size_t i = 0; i < octave_value::num_unary_ops; ++i)
       {
         octave_value::unary_op op = static_cast<octave_value::unary_op> (i);
         std::string op_name = octave_value::unary_op_as_string (op);
-        unary_ops.push_back (jit_operation ("unary" + op_name));
+        m_unary_ops.push_back (jit_operation ("unary" + op_name));
       }
 
     for (int op = 0; op < octave_value::num_binary_ops; ++op)
@@ -1290,378 +1290,378 @@
         const llvm::Twine &fn_name =
           "octave_jit_binary_any_any_" + llvm::Twine (op);
 
-        fn = create_internal (fn_name, any, any, any);
+        fn = create_internal (fn_name, m_any, m_any, m_any);
         fn.mark_can_error ();
         llvm::BasicBlock *block = fn.new_block ();
-        builder.SetInsertPoint (block);
+        m_builder.SetInsertPoint (block);
         llvm::APInt op_int(sizeof (octave_value::binary_op) * 8, op,
                            std::numeric_limits<octave_value::binary_op>::is_signed);
         llvm::Value *op_as_llvm = llvm::ConstantInt::get (llvm_bo_type, op_int);
-        llvm::Value *ret = any_binary.call (builder, op_as_llvm,
-                                            fn.argument (builder, 0),
-                                            fn.argument (builder, 1));
-        fn.do_return (builder, ret);
-        binary_ops[op].add_overload (fn);
+        llvm::Value *ret = any_binary.call (m_builder, op_as_llvm,
+                                            fn.argument (m_builder, 0),
+                                            fn.argument (m_builder, 1));
+        fn.do_return (m_builder, ret);
+        m_binary_ops[op].add_overload (fn);
       }
 
     // grab matrix
-    fn = create_external (JIT_FN (octave_jit_grab_matrix), matrix, matrix);
-    grab_fn.add_overload (fn);
-    grab_fn.add_overload (create_identity (scalar));
-    grab_fn.add_overload (create_identity (scalar_ptr));
-    grab_fn.add_overload (create_identity (any_ptr));
-    grab_fn.add_overload (create_identity (boolean));
-    grab_fn.add_overload (create_identity (complex));
-    grab_fn.add_overload (create_identity (index));
+    fn = create_external (JIT_FN (octave_jit_grab_matrix), m_matrix, m_matrix);
+    m_grab_fn.add_overload (fn);
+    m_grab_fn.add_overload (create_identity (m_scalar));
+    m_grab_fn.add_overload (create_identity (m_scalar_ptr));
+    m_grab_fn.add_overload (create_identity (m_any_ptr));
+    m_grab_fn.add_overload (create_identity (m_boolean));
+    m_grab_fn.add_overload (create_identity (m_complex));
+    m_grab_fn.add_overload (create_identity (m_index));
 
     // release any
-    fn = create_external (JIT_FN (octave_jit_release_any), nullptr, any);
-    release_fn.add_overload (fn);
+    fn = create_external (JIT_FN (octave_jit_release_any), nullptr, m_any);
+    m_release_fn.add_overload (fn);
 
     // release matrix
-    fn = create_external (JIT_FN (octave_jit_release_matrix), nullptr, matrix);
-    release_fn.add_overload (fn);
+    fn = create_external (JIT_FN (octave_jit_release_matrix), nullptr, m_matrix);
+    m_release_fn.add_overload (fn);
 
     // destroy
-    destroy_fn = release_fn;
-    destroy_fn.add_overload (create_identity(scalar));
-    destroy_fn.add_overload (create_identity(boolean));
-    destroy_fn.add_overload (create_identity(index));
-    destroy_fn.add_overload (create_identity(complex));
+    m_destroy_fn = m_release_fn;
+    m_destroy_fn.add_overload (create_identity(m_scalar));
+    m_destroy_fn.add_overload (create_identity(m_boolean));
+    m_destroy_fn.add_overload (create_identity(m_index));
+    m_destroy_fn.add_overload (create_identity(m_complex));
 
     // -------------------- scalar related operations --------------------
 
     // now for binary scalar operations
-    add_binary_op (scalar, octave_value::op_add, llvm::Instruction::FAdd);
-    add_binary_op (scalar, octave_value::op_sub, llvm::Instruction::FSub);
-    add_binary_op (scalar, octave_value::op_mul, llvm::Instruction::FMul);
-    add_binary_op (scalar, octave_value::op_el_mul, llvm::Instruction::FMul);
+    add_binary_op (m_scalar, octave_value::op_add, llvm::Instruction::FAdd);
+    add_binary_op (m_scalar, octave_value::op_sub, llvm::Instruction::FSub);
+    add_binary_op (m_scalar, octave_value::op_mul, llvm::Instruction::FMul);
+    add_binary_op (m_scalar, octave_value::op_el_mul, llvm::Instruction::FMul);
 
-    add_binary_fcmp (scalar, octave_value::op_lt, llvm::CmpInst::FCMP_ULT);
-    add_binary_fcmp (scalar, octave_value::op_le, llvm::CmpInst::FCMP_ULE);
-    add_binary_fcmp (scalar, octave_value::op_eq, llvm::CmpInst::FCMP_UEQ);
-    add_binary_fcmp (scalar, octave_value::op_ge, llvm::CmpInst::FCMP_UGE);
-    add_binary_fcmp (scalar, octave_value::op_gt, llvm::CmpInst::FCMP_UGT);
-    add_binary_fcmp (scalar, octave_value::op_ne, llvm::CmpInst::FCMP_UNE);
+    add_binary_fcmp (m_scalar, octave_value::op_lt, llvm::CmpInst::FCMP_ULT);
+    add_binary_fcmp (m_scalar, octave_value::op_le, llvm::CmpInst::FCMP_ULE);
+    add_binary_fcmp (m_scalar, octave_value::op_eq, llvm::CmpInst::FCMP_UEQ);
+    add_binary_fcmp (m_scalar, octave_value::op_ge, llvm::CmpInst::FCMP_UGE);
+    add_binary_fcmp (m_scalar, octave_value::op_gt, llvm::CmpInst::FCMP_UGT);
+    add_binary_fcmp (m_scalar, octave_value::op_ne, llvm::CmpInst::FCMP_UNE);
 
     jit_function gripe_div0 = create_external (JIT_FN (warn_divide_by_zero), nullptr);
     gripe_div0.mark_can_error ();
 
     // divide is annoying because it might error
-    fn = create_internal ("octave_jit_div_scalar_scalar", scalar, scalar, scalar);
+    fn = create_internal ("octave_jit_div_scalar_scalar", m_scalar, m_scalar, m_scalar);
     fn.mark_can_error ();
 
     llvm::BasicBlock *body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
       llvm::BasicBlock *warn_block = fn.new_block ("warn");
       llvm::BasicBlock *normal_block = fn.new_block ("normal");
 
-      llvm::Value *zero = llvm::ConstantFP::get (scalar_t, 0);
-      llvm::Value *check = builder.CreateFCmpUEQ (zero, fn.argument (builder, 1));
-      builder.CreateCondBr (check, warn_block, normal_block);
+      llvm::Value *zero = llvm::ConstantFP::get (m_scalar_t, 0);
+      llvm::Value *check = m_builder.CreateFCmpUEQ (zero, fn.argument (m_builder, 1));
+      m_builder.CreateCondBr (check, warn_block, normal_block);
 
-      builder.SetInsertPoint (warn_block);
-      gripe_div0.call (builder);
-      builder.CreateBr (normal_block);
+      m_builder.SetInsertPoint (warn_block);
+      gripe_div0.call (m_builder);
+      m_builder.CreateBr (normal_block);
 
-      builder.SetInsertPoint (normal_block);
-      llvm::Value *ret = builder.CreateFDiv (fn.argument (builder, 0),
-                                             fn.argument (builder, 1));
-      fn.do_return (builder, ret);
+      m_builder.SetInsertPoint (normal_block);
+      llvm::Value *ret = m_builder.CreateFDiv (fn.argument (m_builder, 0),
+                                               fn.argument (m_builder, 1));
+      fn.do_return (m_builder, ret);
     }
-    binary_ops[octave_value::op_div].add_overload (fn);
-    binary_ops[octave_value::op_el_div].add_overload (fn);
+    m_binary_ops[octave_value::op_div].add_overload (fn);
+    m_binary_ops[octave_value::op_el_div].add_overload (fn);
 
     // ldiv is the same as div with the operators reversed
     fn = mirror_binary (fn);
-    binary_ops[octave_value::op_ldiv].add_overload (fn);
-    binary_ops[octave_value::op_el_ldiv].add_overload (fn);
+    m_binary_ops[octave_value::op_ldiv].add_overload (fn);
+    m_binary_ops[octave_value::op_el_ldiv].add_overload (fn);
 
     // In general, the result of scalar ^ scalar is a complex number.  We might
     // be able to improve on this if we keep track of the range of values
     // variables can take on.
-    fn = create_external (JIT_FN (octave_jit_pow_scalar_scalar), complex, scalar,
-                          scalar);
-    binary_ops[octave_value::op_pow].add_overload (fn);
-    binary_ops[octave_value::op_el_pow].add_overload (fn);
+    fn = create_external (JIT_FN (octave_jit_pow_scalar_scalar), m_complex, m_scalar,
+                          m_scalar);
+    m_binary_ops[octave_value::op_pow].add_overload (fn);
+    m_binary_ops[octave_value::op_el_pow].add_overload (fn);
 
     // now for unary scalar operations
     // FIXME: Impelment not
-    fn = create_internal ("octave_jit_++", scalar, scalar);
+    fn = create_internal ("octave_jit_++", m_scalar, m_scalar);
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
-      llvm::Value *one = llvm::ConstantFP::get (scalar_t, 1);
-      llvm::Value *val = fn.argument (builder, 0);
-      val = builder.CreateFAdd (val, one);
-      fn.do_return (builder, val);
+      llvm::Value *one = llvm::ConstantFP::get (m_scalar_t, 1);
+      llvm::Value *val = fn.argument (m_builder, 0);
+      val = m_builder.CreateFAdd (val, one);
+      fn.do_return (m_builder, val);
     }
-    unary_ops[octave_value::op_incr].add_overload (fn);
+    m_unary_ops[octave_value::op_incr].add_overload (fn);
 
-    fn = create_internal ("octave_jit_--", scalar, scalar);
+    fn = create_internal ("octave_jit_--", m_scalar, m_scalar);
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
-      llvm::Value *one = llvm::ConstantFP::get (scalar_t, 1);
-      llvm::Value *val = fn.argument (builder, 0);
-      val = builder.CreateFSub (val, one);
-      fn.do_return (builder, val);
+      llvm::Value *one = llvm::ConstantFP::get (m_scalar_t, 1);
+      llvm::Value *val = fn.argument (m_builder, 0);
+      val = m_builder.CreateFSub (val, one);
+      fn.do_return (m_builder, val);
     }
-    unary_ops[octave_value::op_decr].add_overload (fn);
+    m_unary_ops[octave_value::op_decr].add_overload (fn);
 
-    fn = create_internal ("octave_jit_uminus", scalar, scalar);
+    fn = create_internal ("octave_jit_uminus", m_scalar, m_scalar);
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
-      llvm::Value *mone = llvm::ConstantFP::get (scalar_t, -1);
-      llvm::Value *val = fn.argument (builder, 0);
-      val = builder.CreateFMul (val, mone);
-      fn.do_return (builder, val);
+      llvm::Value *mone = llvm::ConstantFP::get (m_scalar_t, -1);
+      llvm::Value *val = fn.argument (m_builder, 0);
+      val = m_builder.CreateFMul (val, mone);
+      fn.do_return (m_builder, val);
     }
-    unary_ops[octave_value::op_uminus].add_overload (fn);
+    m_unary_ops[octave_value::op_uminus].add_overload (fn);
 
-    fn = create_identity (scalar);
-    unary_ops[octave_value::op_uplus].add_overload (fn);
-    unary_ops[octave_value::op_transpose].add_overload (fn);
-    unary_ops[octave_value::op_hermitian].add_overload (fn);
+    fn = create_identity (m_scalar);
+    m_unary_ops[octave_value::op_uplus].add_overload (fn);
+    m_unary_ops[octave_value::op_transpose].add_overload (fn);
+    m_unary_ops[octave_value::op_hermitian].add_overload (fn);
 
     // now for binary complex operations
-    fn = create_internal ("octave_jit_+_complex_complex", complex, complex,
-                          complex);
+    fn = create_internal ("octave_jit_+_complex_complex", m_complex, m_complex,
+                          m_complex);
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
-      llvm::Value *lhs = fn.argument (builder, 0);
-      llvm::Value *rhs = fn.argument (builder, 1);
-      llvm::Value *real = builder.CreateFAdd (complex_real (lhs),
-                                              complex_real (rhs));
-      llvm::Value *imag = builder.CreateFAdd (complex_imag (lhs),
-                                              complex_imag (rhs));
-      fn.do_return (builder, complex_new (real, imag));
+      llvm::Value *lhs = fn.argument (m_builder, 0);
+      llvm::Value *rhs = fn.argument (m_builder, 1);
+      llvm::Value *real = m_builder.CreateFAdd (complex_real (lhs),
+                                                complex_real (rhs));
+      llvm::Value *imag = m_builder.CreateFAdd (complex_imag (lhs),
+                                                complex_imag (rhs));
+      fn.do_return (m_builder, complex_new (real, imag));
     }
-    binary_ops[octave_value::op_add].add_overload (fn);
+    m_binary_ops[octave_value::op_add].add_overload (fn);
 
-    fn = create_internal ("octave_jit_-_complex_complex", complex, complex,
-                          complex);
+    fn = create_internal ("octave_jit_-_complex_complex", m_complex, m_complex,
+                          m_complex);
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
-      llvm::Value *lhs = fn.argument (builder, 0);
-      llvm::Value *rhs = fn.argument (builder, 1);
-      llvm::Value *real = builder.CreateFSub (complex_real (lhs),
-                                              complex_real (rhs));
-      llvm::Value *imag = builder.CreateFSub (complex_imag (lhs),
-                                              complex_imag (rhs));
-      fn.do_return (builder, complex_new (real, imag));
+      llvm::Value *lhs = fn.argument (m_builder, 0);
+      llvm::Value *rhs = fn.argument (m_builder, 1);
+      llvm::Value *real = m_builder.CreateFSub (complex_real (lhs),
+                                                complex_real (rhs));
+      llvm::Value *imag = m_builder.CreateFSub (complex_imag (lhs),
+                                                complex_imag (rhs));
+      fn.do_return (m_builder, complex_new (real, imag));
     }
-    binary_ops[octave_value::op_sub].add_overload (fn);
+    m_binary_ops[octave_value::op_sub].add_overload (fn);
 
     fn = create_external (JIT_FN (octave_jit_complex_mul),
-                          complex, complex, complex);
-    binary_ops[octave_value::op_mul].add_overload (fn);
-    binary_ops[octave_value::op_el_mul].add_overload (fn);
+                          m_complex, m_complex, m_complex);
+    m_binary_ops[octave_value::op_mul].add_overload (fn);
+    m_binary_ops[octave_value::op_el_mul].add_overload (fn);
 
     jit_function complex_div = create_external (JIT_FN (octave_jit_complex_div),
-                                                complex, complex, complex);
+                                                m_complex, m_complex, m_complex);
     complex_div.mark_can_error ();
-    binary_ops[octave_value::op_div].add_overload (fn);
-    binary_ops[octave_value::op_ldiv].add_overload (fn);
+    m_binary_ops[octave_value::op_div].add_overload (fn);
+    m_binary_ops[octave_value::op_ldiv].add_overload (fn);
 
-    fn = create_external (JIT_FN (octave_jit_pow_complex_complex), complex,
-                          complex, complex);
-    binary_ops[octave_value::op_pow].add_overload (fn);
-    binary_ops[octave_value::op_el_pow].add_overload (fn);
+    fn = create_external (JIT_FN (octave_jit_pow_complex_complex), m_complex,
+                          m_complex, m_complex);
+    m_binary_ops[octave_value::op_pow].add_overload (fn);
+    m_binary_ops[octave_value::op_el_pow].add_overload (fn);
 
-    fn = create_internal ("octave_jit_*_scalar_complex", complex, scalar,
-                          complex);
+    fn = create_internal ("octave_jit_*_scalar_complex", m_complex, m_scalar,
+                          m_complex);
     jit_function mul_scalar_complex = fn;
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
       llvm::BasicBlock *complex_mul = fn.new_block ("complex_mul");
       llvm::BasicBlock *scalar_mul = fn.new_block ("scalar_mul");
 
-      llvm::Value *fzero = llvm::ConstantFP::get (scalar_t, 0);
-      llvm::Value *lhs = fn.argument (builder, 0);
-      llvm::Value *rhs = fn.argument (builder, 1);
+      llvm::Value *fzero = llvm::ConstantFP::get (m_scalar_t, 0);
+      llvm::Value *lhs = fn.argument (m_builder, 0);
+      llvm::Value *rhs = fn.argument (m_builder, 1);
 
-      llvm::Value *cmp = builder.CreateFCmpUEQ (complex_imag (rhs), fzero);
-      builder.CreateCondBr (cmp, scalar_mul, complex_mul);
+      llvm::Value *cmp = m_builder.CreateFCmpUEQ (complex_imag (rhs), fzero);
+      m_builder.CreateCondBr (cmp, scalar_mul, complex_mul);
 
-      builder.SetInsertPoint (scalar_mul);
+      m_builder.SetInsertPoint (scalar_mul);
       llvm::Value *temp = complex_real (rhs);
-      temp = builder.CreateFMul (lhs, temp);
-      fn.do_return (builder, complex_new (temp, fzero), false);
+      temp = m_builder.CreateFMul (lhs, temp);
+      fn.do_return (m_builder, complex_new (temp, fzero), false);
 
-      builder.SetInsertPoint (complex_mul);
-      temp = complex_new (builder.CreateFMul (lhs, complex_real (rhs)),
-                          builder.CreateFMul (lhs, complex_imag (rhs)));
-      fn.do_return (builder, temp);
+      m_builder.SetInsertPoint (complex_mul);
+      temp = complex_new (m_builder.CreateFMul (lhs, complex_real (rhs)),
+                          m_builder.CreateFMul (lhs, complex_imag (rhs)));
+      fn.do_return (m_builder, temp);
     }
-    binary_ops[octave_value::op_mul].add_overload (fn);
-    binary_ops[octave_value::op_el_mul].add_overload (fn);
+    m_binary_ops[octave_value::op_mul].add_overload (fn);
+    m_binary_ops[octave_value::op_el_mul].add_overload (fn);
 
     fn = mirror_binary (mul_scalar_complex);
-    binary_ops[octave_value::op_mul].add_overload (fn);
-    binary_ops[octave_value::op_el_mul].add_overload (fn);
+    m_binary_ops[octave_value::op_mul].add_overload (fn);
+    m_binary_ops[octave_value::op_el_mul].add_overload (fn);
 
-    fn = create_internal ("octave_jit_+_scalar_complex", complex, scalar,
-                          complex);
+    fn = create_internal ("octave_jit_+_scalar_complex", m_complex, m_scalar,
+                          m_complex);
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
-      llvm::Value *lhs = fn.argument (builder, 0);
-      llvm::Value *rhs = fn.argument (builder, 1);
-      llvm::Value *real = builder.CreateFAdd (lhs, complex_real (rhs));
-      fn.do_return (builder, complex_real (rhs, real));
+      llvm::Value *lhs = fn.argument (m_builder, 0);
+      llvm::Value *rhs = fn.argument (m_builder, 1);
+      llvm::Value *real = m_builder.CreateFAdd (lhs, complex_real (rhs));
+      fn.do_return (m_builder, complex_real (rhs, real));
     }
-    binary_ops[octave_value::op_add].add_overload (fn);
+    m_binary_ops[octave_value::op_add].add_overload (fn);
 
     fn = mirror_binary (fn);
-    binary_ops[octave_value::op_add].add_overload (fn);
+    m_binary_ops[octave_value::op_add].add_overload (fn);
 
-    fn = create_internal ("octave_jit_-_complex_scalar", complex, complex,
-                          scalar);
+    fn = create_internal ("octave_jit_-_complex_scalar", m_complex, m_complex,
+                          m_scalar);
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
-      llvm::Value *lhs = fn.argument (builder, 0);
-      llvm::Value *rhs = fn.argument (builder, 1);
-      llvm::Value *real = builder.CreateFSub (complex_real (lhs), rhs);
-      fn.do_return (builder, complex_real (lhs, real));
+      llvm::Value *lhs = fn.argument (m_builder, 0);
+      llvm::Value *rhs = fn.argument (m_builder, 1);
+      llvm::Value *real = m_builder.CreateFSub (complex_real (lhs), rhs);
+      fn.do_return (m_builder, complex_real (lhs, real));
     }
-    binary_ops[octave_value::op_sub].add_overload (fn);
+    m_binary_ops[octave_value::op_sub].add_overload (fn);
 
-    fn = create_internal ("octave_jit_-_scalar_complex", complex, scalar,
-                          complex);
+    fn = create_internal ("octave_jit_-_scalar_complex", m_complex, m_scalar,
+                          m_complex);
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
-      llvm::Value *lhs = fn.argument (builder, 0);
-      llvm::Value *rhs = fn.argument (builder, 1);
-      llvm::Value *real = builder.CreateFSub (lhs, complex_real (rhs));
-      fn.do_return (builder, complex_real (rhs, real));
+      llvm::Value *lhs = fn.argument (m_builder, 0);
+      llvm::Value *rhs = fn.argument (m_builder, 1);
+      llvm::Value *real = m_builder.CreateFSub (lhs, complex_real (rhs));
+      fn.do_return (m_builder, complex_real (rhs, real));
     }
-    binary_ops[octave_value::op_sub].add_overload (fn);
+    m_binary_ops[octave_value::op_sub].add_overload (fn);
 
-    fn = create_external (JIT_FN (octave_jit_pow_scalar_complex), complex, scalar,
-                          complex);
-    binary_ops[octave_value::op_pow].add_overload (fn);
-    binary_ops[octave_value::op_el_pow].add_overload (fn);
+    fn = create_external (JIT_FN (octave_jit_pow_scalar_complex), m_complex, m_scalar,
+                          m_complex);
+    m_binary_ops[octave_value::op_pow].add_overload (fn);
+    m_binary_ops[octave_value::op_el_pow].add_overload (fn);
 
-    fn = create_external (JIT_FN (octave_jit_pow_complex_scalar), complex,
-                          complex, scalar);
-    binary_ops[octave_value::op_pow].add_overload (fn);
-    binary_ops[octave_value::op_el_pow].add_overload (fn);
+    fn = create_external (JIT_FN (octave_jit_pow_complex_scalar), m_complex,
+                          m_complex, m_scalar);
+    m_binary_ops[octave_value::op_pow].add_overload (fn);
+    m_binary_ops[octave_value::op_el_pow].add_overload (fn);
 
     // now for binary index operators
-    add_binary_op (index, octave_value::op_add, llvm::Instruction::Add);
+    add_binary_op (m_index, octave_value::op_add, llvm::Instruction::Add);
 
     // and binary bool operators
-    add_binary_op (boolean, octave_value::op_el_or, llvm::Instruction::Or);
-    add_binary_op (boolean, octave_value::op_el_and, llvm::Instruction::And);
+    add_binary_op (m_boolean, octave_value::op_el_or, llvm::Instruction::Or);
+    add_binary_op (m_boolean, octave_value::op_el_and, llvm::Instruction::And);
 
     // now for printing functions
-    add_print (any, reinterpret_cast<void *> (&octave_jit_print_any));
-    add_print (scalar, reinterpret_cast<void *> (&octave_jit_print_scalar));
+    add_print (m_any, reinterpret_cast<void *> (&octave_jit_print_any));
+    add_print (m_scalar, reinterpret_cast<void *> (&octave_jit_print_scalar));
 
     // initialize for loop
-    fn = create_internal ("octave_jit_for_range_init", index, range);
+    fn = create_internal ("octave_jit_for_range_init", m_index, m_range);
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
-      llvm::Value *zero = llvm::ConstantInt::get (index_t, 0);
-      fn.do_return (builder, zero);
+      llvm::Value *zero = llvm::ConstantInt::get (m_index_t, 0);
+      fn.do_return (m_builder, zero);
     }
-    for_init_fn.add_overload (fn);
+    m_for_init_fn.add_overload (fn);
 
     // bounds check for for loop
-    fn = create_internal ("octave_jit_for_range_check", boolean, range, index);
+    fn = create_internal ("octave_jit_for_range_check", m_boolean, m_range, m_index);
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
       llvm::Value *nelem
-        = builder.CreateExtractValue (fn.argument (builder, 0), 3);
-      llvm::Value *idx = fn.argument (builder, 1);
-      llvm::Value *ret = builder.CreateICmpULT (idx, nelem);
-      fn.do_return (builder, ret);
+        = m_builder.CreateExtractValue (fn.argument (m_builder, 0), 3);
+      llvm::Value *idx = fn.argument (m_builder, 1);
+      llvm::Value *ret = m_builder.CreateICmpULT (idx, nelem);
+      fn.do_return (m_builder, ret);
     }
-    for_check_fn.add_overload (fn);
+    m_for_check_fn.add_overload (fn);
 
     // index variabe for for loop
-    fn = create_internal ("octave_jit_for_range_idx", scalar, range, index);
+    fn = create_internal ("octave_jit_for_range_idx", m_scalar, m_range, m_index);
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
-      llvm::Value *idx = fn.argument (builder, 1);
-      llvm::Value *didx = builder.CreateSIToFP (idx, scalar_t);
-      llvm::Value *rng = fn.argument (builder, 0);
-      llvm::Value *base = builder.CreateExtractValue (rng, 0);
-      llvm::Value *inc = builder.CreateExtractValue (rng, 2);
+      llvm::Value *idx = fn.argument (m_builder, 1);
+      llvm::Value *didx = m_builder.CreateSIToFP (idx, m_scalar_t);
+      llvm::Value *rng = fn.argument (m_builder, 0);
+      llvm::Value *base = m_builder.CreateExtractValue (rng, 0);
+      llvm::Value *inc = m_builder.CreateExtractValue (rng, 2);
 
-      llvm::Value *ret = builder.CreateFMul (didx, inc);
-      ret = builder.CreateFAdd (base, ret);
-      fn.do_return (builder, ret);
+      llvm::Value *ret = m_builder.CreateFMul (didx, inc);
+      ret = m_builder.CreateFAdd (base, ret);
+      fn.do_return (m_builder, ret);
     }
-    for_index_fn.add_overload (fn);
+    m_for_index_fn.add_overload (fn);
 
     // logically true
     jit_function gripe_nantl
       = create_external (JIT_FN (octave_jit_err_nan_to_logical_conversion), nullptr);
     gripe_nantl.mark_can_error ();
-    fn = create_internal ("octave_jit_logically_true_scalar", boolean, scalar);
+    fn = create_internal ("octave_jit_logically_true_scalar", m_boolean, m_scalar);
     fn.mark_can_error ();
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
       llvm::BasicBlock *error_block = fn.new_block ("error");
       llvm::BasicBlock *normal_block = fn.new_block ("normal");
 
-      llvm::Value *check = builder.CreateFCmpUNE (fn.argument (builder, 0),
-                                                  fn.argument (builder, 0));
-      builder.CreateCondBr (check, error_block, normal_block);
+      llvm::Value *check = m_builder.CreateFCmpUNE (fn.argument (m_builder, 0),
+                                                    fn.argument (m_builder, 0));
+      m_builder.CreateCondBr (check, error_block, normal_block);
 
-      builder.SetInsertPoint (error_block);
-      gripe_nantl.call (builder);
-      builder.CreateBr (normal_block);
-      builder.SetInsertPoint (normal_block);
+      m_builder.SetInsertPoint (error_block);
+      gripe_nantl.call (m_builder);
+      m_builder.CreateBr (normal_block);
+      m_builder.SetInsertPoint (normal_block);
 
-      llvm::Value *zero = llvm::ConstantFP::get (scalar_t, 0);
-      llvm::Value *ret = builder.CreateFCmpONE (fn.argument (builder, 0), zero);
-      fn.do_return (builder, ret);
+      llvm::Value *zero = llvm::ConstantFP::get (m_scalar_t, 0);
+      llvm::Value *ret = m_builder.CreateFCmpONE (fn.argument (m_builder, 0), zero);
+      fn.do_return (m_builder, ret);
     }
-    logically_true_fn.add_overload (fn);
+    m_logically_true_fn.add_overload (fn);
 
     // logically_true boolean
-    fn = create_identity (boolean);
-    logically_true_fn.add_overload (fn);
+    fn = create_identity (m_boolean);
+    m_logically_true_fn.add_overload (fn);
 
     // make_range
     // FIXME: May be benificial to implement all in LLVM
     jit_function compute_nelem
       = create_external (JIT_FN (octave_jit_compute_nelem),
-                         index, scalar, scalar, scalar);
-    fn = create_internal ("octave_jit_make_range", range, scalar, scalar, scalar);
+                         m_index, m_scalar, m_scalar, m_scalar);
+    fn = create_internal ("octave_jit_make_range", m_range, m_scalar, m_scalar, m_scalar);
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
-      llvm::Value *base = fn.argument (builder, 0);
-      llvm::Value *limit = fn.argument (builder, 1);
-      llvm::Value *inc = fn.argument (builder, 2);
-      llvm::Value *nelem = compute_nelem.call (builder, base, limit, inc);
+      llvm::Value *base = fn.argument (m_builder, 0);
+      llvm::Value *limit = fn.argument (m_builder, 1);
+      llvm::Value *inc = fn.argument (m_builder, 2);
+      llvm::Value *nelem = compute_nelem.call (m_builder, base, limit, inc);
 
-      llvm::Value *dzero = llvm::ConstantFP::get (scalar_t, 0);
-      llvm::Value *izero = llvm::ConstantInt::get (index_t, 0);
-      llvm::Value *rng = llvm::ConstantStruct::get (range_t, dzero, dzero, dzero,
+      llvm::Value *dzero = llvm::ConstantFP::get (m_scalar_t, 0);
+      llvm::Value *izero = llvm::ConstantInt::get (m_index_t, 0);
+      llvm::Value *rng = llvm::ConstantStruct::get (m_range_t, dzero, dzero, dzero,
                                                     izero, NULL);
-      rng = builder.CreateInsertValue (rng, base, 0);
-      rng = builder.CreateInsertValue (rng, limit, 1);
-      rng = builder.CreateInsertValue (rng, inc, 2);
-      rng = builder.CreateInsertValue (rng, nelem, 3);
-      fn.do_return (builder, rng);
+      rng = m_builder.CreateInsertValue (rng, base, 0);
+      rng = m_builder.CreateInsertValue (rng, limit, 1);
+      rng = m_builder.CreateInsertValue (rng, inc, 2);
+      rng = m_builder.CreateInsertValue (rng, nelem, 3);
+      fn.do_return (m_builder, rng);
     }
-    make_range_fn.add_overload (fn);
+    m_make_range_fn.add_overload (fn);
 
     // paren_subsref
     jit_type *jit_int = do_get_intN (sizeof (int) * 8);
@@ -1669,299 +1669,299 @@
     jit_function ginvalid_index
       = create_external (JIT_FN (octave_jit_ginvalid_index), nullptr);
     jit_function gindex_range = create_external (JIT_FN (octave_jit_gindex_range),
-                                                 nullptr, jit_int, jit_int, index,
-                                                 index);
+                                                 nullptr, jit_int, jit_int, m_index,
+                                                 m_index);
 
-    fn = create_internal ("()subsref", scalar, matrix, scalar);
+    fn = create_internal ("()subsref", m_scalar, m_matrix, m_scalar);
     fn.mark_can_error ();
 
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
-      llvm::Value *one_idx = llvm::ConstantInt::get (index_t, 1);
+      llvm::Value *one_idx = llvm::ConstantInt::get (m_index_t, 1);
       llvm::Value *one_int = llvm::ConstantInt::get (int_t, 1);
 
-      llvm::Value *undef = llvm::UndefValue::get (scalar_t);
-      llvm::Value *mat = fn.argument (builder, 0);
-      llvm::Value *idx = fn.argument (builder, 1);
+      llvm::Value *undef = llvm::UndefValue::get (m_scalar_t);
+      llvm::Value *mat = fn.argument (m_builder, 0);
+      llvm::Value *idx = fn.argument (m_builder, 1);
 
       // convert index to scalar to integer, and check index >= 1
-      llvm::Value *int_idx = builder.CreateFPToSI (idx, index_t);
-      llvm::Value *check_idx = builder.CreateSIToFP (int_idx, scalar_t);
-      llvm::Value *cond0 = builder.CreateFCmpUNE (idx, check_idx);
-      llvm::Value *cond1 = builder.CreateICmpSLT (int_idx, one_idx);
-      llvm::Value *cond = builder.CreateOr (cond0, cond1);
+      llvm::Value *int_idx = m_builder.CreateFPToSI (idx, m_index_t);
+      llvm::Value *check_idx = m_builder.CreateSIToFP (int_idx, m_scalar_t);
+      llvm::Value *cond0 = m_builder.CreateFCmpUNE (idx, check_idx);
+      llvm::Value *cond1 = m_builder.CreateICmpSLT (int_idx, one_idx);
+      llvm::Value *cond = m_builder.CreateOr (cond0, cond1);
 
       llvm::BasicBlock *done = fn.new_block ("done");
       llvm::BasicBlock *conv_error = fn.new_block ("conv_error", done);
       llvm::BasicBlock *normal = fn.new_block ("normal", done);
-      builder.CreateCondBr (cond, conv_error, normal);
+      m_builder.CreateCondBr (cond, conv_error, normal);
 
-      builder.SetInsertPoint (conv_error);
-      ginvalid_index.call (builder);
-      builder.CreateBr (done);
+      m_builder.SetInsertPoint (conv_error);
+      ginvalid_index.call (m_builder);
+      m_builder.CreateBr (done);
 
-      builder.SetInsertPoint (normal);
+      m_builder.SetInsertPoint (normal);
       llvm::Value *len
-        = builder.CreateExtractValue (mat, llvm::ArrayRef<unsigned> (2));
-      cond = builder.CreateICmpSGT (int_idx, len);
+        = m_builder.CreateExtractValue (mat, llvm::ArrayRef<unsigned> (2));
+      cond = m_builder.CreateICmpSGT (int_idx, len);
 
       llvm::BasicBlock *bounds_error = fn.new_block ("bounds_error", done);
       llvm::BasicBlock *success = fn.new_block ("success", done);
-      builder.CreateCondBr (cond, bounds_error, success);
+      m_builder.CreateCondBr (cond, bounds_error, success);
 
-      builder.SetInsertPoint (bounds_error);
-      gindex_range.call (builder, one_int, one_int, int_idx, len);
-      builder.CreateBr (done);
+      m_builder.SetInsertPoint (bounds_error);
+      gindex_range.call (m_builder, one_int, one_int, int_idx, len);
+      m_builder.CreateBr (done);
 
-      builder.SetInsertPoint (success);
-      llvm::Value *data = builder.CreateExtractValue (mat,
-                                                      llvm::ArrayRef<unsigned> (1));
-      llvm::Value *gep = builder.CreateInBoundsGEP (data, int_idx);
-      llvm::Value *ret = builder.CreateLoad (gep);
-      builder.CreateBr (done);
+      m_builder.SetInsertPoint (success);
+      llvm::Value *data = m_builder.CreateExtractValue (mat,
+                                                        llvm::ArrayRef<unsigned> (1));
+      llvm::Value *gep = m_builder.CreateInBoundsGEP (data, int_idx);
+      llvm::Value *ret = m_builder.CreateLoad (gep);
+      m_builder.CreateBr (done);
 
-      builder.SetInsertPoint (done);
+      m_builder.SetInsertPoint (done);
 
-      llvm::PHINode *merge = llvm::PHINode::Create (scalar_t, 3);
-      builder.Insert (merge);
+      llvm::PHINode *merge = llvm::PHINode::Create (m_scalar_t, 3);
+      m_builder.Insert (merge);
       merge->addIncoming (undef, conv_error);
       merge->addIncoming (undef, bounds_error);
       merge->addIncoming (ret, success);
-      fn.do_return (builder, merge);
+      fn.do_return (m_builder, merge);
     }
     paren_subsref_fn.add_overload (fn);
 
     // paren subsasgn
     jit_function resize_paren_subsasgn
-      = create_external (JIT_FN (octave_jit_paren_subsasgn_impl), matrix, matrix,
-                         index, scalar);
-    fn = create_internal ("octave_jit_paren_subsasgn", matrix, matrix, scalar,
-                          scalar);
+      = create_external (JIT_FN (octave_jit_paren_subsasgn_impl), m_matrix, m_matrix,
+                         m_index, m_scalar);
+    fn = create_internal ("octave_jit_paren_subsasgn", m_matrix, m_matrix, m_scalar,
+                          m_scalar);
     fn.mark_can_error ();
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
-      llvm::Value *one_idx = llvm::ConstantInt::get (index_t, 1);
+      llvm::Value *one_idx = llvm::ConstantInt::get (m_index_t, 1);
       llvm::Value *one_int = llvm::ConstantInt::get (int_t, 1);
 
-      llvm::Value *mat = fn.argument (builder, 0);
-      llvm::Value *idx = fn.argument (builder, 1);
-      llvm::Value *value = fn.argument (builder, 2);
+      llvm::Value *mat = fn.argument (m_builder, 0);
+      llvm::Value *idx = fn.argument (m_builder, 1);
+      llvm::Value *value = fn.argument (m_builder, 2);
 
-      llvm::Value *int_idx = builder.CreateFPToSI (idx, index_t);
-      llvm::Value *check_idx = builder.CreateSIToFP (int_idx, scalar_t);
-      llvm::Value *cond0 = builder.CreateFCmpUNE (idx, check_idx);
-      llvm::Value *cond1 = builder.CreateICmpSLT (int_idx, one_idx);
-      llvm::Value *cond = builder.CreateOr (cond0, cond1);
+      llvm::Value *int_idx = m_builder.CreateFPToSI (idx, m_index_t);
+      llvm::Value *check_idx = m_builder.CreateSIToFP (int_idx, m_scalar_t);
+      llvm::Value *cond0 = m_builder.CreateFCmpUNE (idx, check_idx);
+      llvm::Value *cond1 = m_builder.CreateICmpSLT (int_idx, one_idx);
+      llvm::Value *cond = m_builder.CreateOr (cond0, cond1);
 
       llvm::BasicBlock *done = fn.new_block ("done");
 
       llvm::BasicBlock *conv_error = fn.new_block ("conv_error", done);
       llvm::BasicBlock *normal = fn.new_block ("normal", done);
-      builder.CreateCondBr (cond, conv_error, normal);
-      builder.SetInsertPoint (conv_error);
-      ginvalid_index.call (builder);
-      builder.CreateBr (done);
+      m_builder.CreateCondBr (cond, conv_error, normal);
+      m_builder.SetInsertPoint (conv_error);
+      ginvalid_index.call (m_builder);
+      m_builder.CreateBr (done);
 
-      builder.SetInsertPoint (normal);
-      llvm::Value *len = builder.CreateExtractValue (mat, 2);
-      cond0 = builder.CreateICmpSGT (int_idx, len);
+      m_builder.SetInsertPoint (normal);
+      llvm::Value *len = m_builder.CreateExtractValue (mat, 2);
+      cond0 = m_builder.CreateICmpSGT (int_idx, len);
 
-      llvm::Value *rcount = builder.CreateExtractValue (mat, 0);
-      rcount = builder.CreateLoad (rcount);
-      cond1 = builder.CreateICmpSGT (rcount, one_int);
-      cond = builder.CreateOr (cond0, cond1);
+      llvm::Value *rcount = m_builder.CreateExtractValue (mat, 0);
+      rcount = m_builder.CreateLoad (rcount);
+      cond1 = m_builder.CreateICmpSGT (rcount, one_int);
+      cond = m_builder.CreateOr (cond0, cond1);
 
       llvm::BasicBlock *bounds_error = fn.new_block ("bounds_error", done);
       llvm::BasicBlock *success = fn.new_block ("success", done);
-      builder.CreateCondBr (cond, bounds_error, success);
+      m_builder.CreateCondBr (cond, bounds_error, success);
 
       // resize on out of bounds access
-      builder.SetInsertPoint (bounds_error);
-      llvm::Value *resize_result = resize_paren_subsasgn.call (builder, mat,
+      m_builder.SetInsertPoint (bounds_error);
+      llvm::Value *resize_result = resize_paren_subsasgn.call (m_builder, mat,
                                                                int_idx, value);
-      builder.CreateBr (done);
+      m_builder.CreateBr (done);
 
-      builder.SetInsertPoint (success);
+      m_builder.SetInsertPoint (success);
       llvm::Value *data
-        = builder.CreateExtractValue (mat, llvm::ArrayRef<unsigned> (1));
-      llvm::Value *gep = builder.CreateInBoundsGEP (data, int_idx);
-      builder.CreateStore (value, gep);
-      builder.CreateBr (done);
+        = m_builder.CreateExtractValue (mat, llvm::ArrayRef<unsigned> (1));
+      llvm::Value *gep = m_builder.CreateInBoundsGEP (data, int_idx);
+      m_builder.CreateStore (value, gep);
+      m_builder.CreateBr (done);
 
-      builder.SetInsertPoint (done);
+      m_builder.SetInsertPoint (done);
 
-      llvm::PHINode *merge = llvm::PHINode::Create (matrix_t, 3);
-      builder.Insert (merge);
+      llvm::PHINode *merge = llvm::PHINode::Create (m_matrix_t, 3);
+      m_builder.Insert (merge);
       merge->addIncoming (mat, conv_error);
       merge->addIncoming (resize_result, bounds_error);
       merge->addIncoming (mat, success);
-      fn.do_return (builder, merge);
+      fn.do_return (m_builder, merge);
     }
     paren_subsasgn_fn.add_overload (fn);
 
-    fn = create_external (JIT_FN (octave_jit_paren_subsasgn_matrix_range), matrix,
-                          matrix, range, scalar);
+    fn = create_external (JIT_FN (octave_jit_paren_subsasgn_matrix_range), m_matrix,
+                          m_matrix, m_range, m_scalar);
     fn.mark_can_error ();
     paren_subsasgn_fn.add_overload (fn);
 
-    fn = create_internal ("octave_jit_end1_matrix", scalar, matrix, index, index);
+    fn = create_internal ("octave_jit_end1_matrix", m_scalar, m_matrix, m_index, m_index);
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
-      llvm::Value *mat = fn.argument (builder, 0);
-      llvm::Value *ret = builder.CreateExtractValue (mat, 2);
-      fn.do_return (builder, builder.CreateSIToFP (ret, scalar_t));
+      llvm::Value *mat = fn.argument (m_builder, 0);
+      llvm::Value *ret = m_builder.CreateExtractValue (mat, 2);
+      fn.do_return (m_builder, m_builder.CreateSIToFP (ret, m_scalar_t));
     }
-    end1_fn.add_overload (fn);
+    m_end1_fn.add_overload (fn);
 
-    fn = create_external (JIT_FN (octave_jit_end_matrix),scalar, matrix, index,
-                          index);
-    end_fn.add_overload (fn);
+    fn = create_external (JIT_FN (octave_jit_end_matrix),m_scalar, m_matrix, m_index,
+                          m_index);
+    m_end_fn.add_overload (fn);
 
     // -------------------- create_undef --------------------
-    fn = create_external (JIT_FN (octave_jit_create_undef), any);
-    create_undef_fn.add_overload (fn);
+    fn = create_external (JIT_FN (octave_jit_create_undef), m_any);
+    m_create_undef_fn.add_overload (fn);
 
-    casts[any->type_id ()].stash_name ("(any)");
-    casts[scalar->type_id ()].stash_name ("(scalar)");
-    casts[complex->type_id ()].stash_name ("(complex)");
-    casts[matrix->type_id ()].stash_name ("(matrix)");
-    casts[range->type_id ()].stash_name ("(range)");
+    m_casts[m_any->type_id ()].stash_name ("(any)");
+    m_casts[m_scalar->type_id ()].stash_name ("(scalar)");
+    m_casts[m_complex->type_id ()].stash_name ("(complex)");
+    m_casts[m_matrix->type_id ()].stash_name ("(matrix)");
+    m_casts[m_range->type_id ()].stash_name ("(range)");
 
-    // cast any <- matrix
-    fn = create_external (JIT_FN (octave_jit_cast_any_matrix), any, matrix);
-    casts[any->type_id ()].add_overload (fn);
+    // cast m_any <- matrix
+    fn = create_external (JIT_FN (octave_jit_cast_any_matrix), m_any, m_matrix);
+    m_casts[m_any->type_id ()].add_overload (fn);
 
     // cast matrix <- any
-    fn = create_external (JIT_FN (octave_jit_cast_matrix_any), matrix, any);
-    casts[matrix->type_id ()].add_overload (fn);
+    fn = create_external (JIT_FN (octave_jit_cast_matrix_any), m_matrix, m_any);
+    m_casts[m_matrix->type_id ()].add_overload (fn);
 
     // cast any <- range
-    fn = create_external (JIT_FN (octave_jit_cast_any_range), any, range);
-    casts[any->type_id ()].add_overload (fn);
+    fn = create_external (JIT_FN (octave_jit_cast_any_range), m_any, m_range);
+    m_casts[m_any->type_id ()].add_overload (fn);
 
     // cast range <- any
-    fn = create_external (JIT_FN (octave_jit_cast_range_any), range, any);
-    casts[range->type_id ()].add_overload (fn);
+    fn = create_external (JIT_FN (octave_jit_cast_range_any), m_range, m_any);
+    m_casts[m_range->type_id ()].add_overload (fn);
 
     // cast any <- scalar
-    fn = create_external (JIT_FN (octave_jit_cast_any_scalar), any, scalar);
-    casts[any->type_id ()].add_overload (fn);
+    fn = create_external (JIT_FN (octave_jit_cast_any_scalar), m_any, m_scalar);
+    m_casts[m_any->type_id ()].add_overload (fn);
 
     // cast scalar <- any
-    fn = create_external (JIT_FN (octave_jit_cast_scalar_any), scalar, any);
-    casts[scalar->type_id ()].add_overload (fn);
+    fn = create_external (JIT_FN (octave_jit_cast_scalar_any), m_scalar, m_any);
+    m_casts[m_scalar->type_id ()].add_overload (fn);
 
     // cast any <- complex
-    fn = create_external (JIT_FN (octave_jit_cast_any_complex), any, complex);
-    casts[any->type_id ()].add_overload (fn);
+    fn = create_external (JIT_FN (octave_jit_cast_any_complex), m_any, m_complex);
+    m_casts[m_any->type_id ()].add_overload (fn);
 
     // cast complex <- any
-    fn = create_external (JIT_FN (octave_jit_cast_complex_any), complex, any);
-    casts[complex->type_id ()].add_overload (fn);
+    fn = create_external (JIT_FN (octave_jit_cast_complex_any), m_complex, m_any);
+    m_casts[m_complex->type_id ()].add_overload (fn);
 
     // cast complex <- scalar
-    fn = create_internal ("octave_jit_cast_complex_scalar", complex, scalar);
+    fn = create_internal ("octave_jit_cast_complex_scalar", m_complex, m_scalar);
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
     {
-      llvm::Value *zero = llvm::ConstantFP::get (scalar_t, 0);
-      fn.do_return (builder, complex_new (fn.argument (builder, 0), zero));
+      llvm::Value *zero = llvm::ConstantFP::get (m_scalar_t, 0);
+      fn.do_return (m_builder, complex_new (fn.argument (m_builder, 0), zero));
     }
-    casts[complex->type_id ()].add_overload (fn);
+    m_casts[m_complex->type_id ()].add_overload (fn);
 
     // cast scalar <- complex
-    fn = create_internal ("octave_jit_cast_scalar_complex", scalar, complex);
+    fn = create_internal ("octave_jit_cast_scalar_complex", m_scalar, m_complex);
     body = fn.new_block ();
-    builder.SetInsertPoint (body);
-    fn.do_return (builder, complex_real (fn.argument (builder, 0)));
-    casts[scalar->type_id ()].add_overload (fn);
+    m_builder.SetInsertPoint (body);
+    fn.do_return (m_builder, complex_real (fn.argument (m_builder, 0)));
+    m_casts[m_scalar->type_id ()].add_overload (fn);
 
     // cast any <- any
-    fn = create_identity (any);
-    casts[any->type_id ()].add_overload (fn);
+    fn = create_identity (m_any);
+    m_casts[m_any->type_id ()].add_overload (fn);
 
     // cast scalar <- scalar
-    fn = create_identity (scalar);
-    casts[scalar->type_id ()].add_overload (fn);
+    fn = create_identity (m_scalar);
+    m_casts[m_scalar->type_id ()].add_overload (fn);
 
     // cast complex <- complex
-    fn = create_identity (complex);
-    casts[complex->type_id ()].add_overload (fn);
+    fn = create_identity (m_complex);
+    m_casts[m_complex->type_id ()].add_overload (fn);
 
     // -------------------- builtin functions --------------------
     add_builtin ("#unknown_function");
-    unknown_function = builtins["#unknown_function"];
+    m_unknown_function = m_builtins["#unknown_function"];
 
     add_builtin ("sin");
-    register_intrinsic ("sin", llvm::Intrinsic::sin, scalar, scalar);
-    register_generic ("sin", matrix, matrix);
+    register_intrinsic ("sin", llvm::Intrinsic::sin, m_scalar, m_scalar);
+    register_generic ("sin", m_matrix, m_matrix);
 
     add_builtin ("cos");
-    register_intrinsic ("cos", llvm::Intrinsic::cos, scalar, scalar);
-    register_generic ("cos", matrix, matrix);
+    register_intrinsic ("cos", llvm::Intrinsic::cos, m_scalar, m_scalar);
+    register_generic ("cos", m_matrix, m_matrix);
 
     add_builtin ("exp");
-    register_intrinsic ("exp", llvm::Intrinsic::exp, scalar, scalar);
-    register_generic ("exp", matrix, matrix);
+    register_intrinsic ("exp", llvm::Intrinsic::exp, m_scalar, m_scalar);
+    register_generic ("exp", m_matrix, m_matrix);
 
     add_builtin ("balance");
-    register_generic ("balance", matrix, matrix);
+    register_generic ("balance", m_matrix, m_matrix);
 
     add_builtin ("cond");
-    register_generic ("cond", scalar, matrix);
+    register_generic ("cond", m_scalar, m_matrix);
 
     add_builtin ("det");
-    register_generic ("det", scalar, matrix);
+    register_generic ("det", m_scalar, m_matrix);
 
     add_builtin ("norm");
-    register_generic ("norm", scalar, matrix);
+    register_generic ("norm", m_scalar, m_matrix);
 
     add_builtin ("rand");
-    register_generic ("rand", matrix, scalar);
-    register_generic ("rand", matrix, std::vector<jit_type *> (2, scalar));
+    register_generic ("rand", m_matrix, m_scalar);
+    register_generic ("rand", m_matrix, std::vector<jit_type *> (2, m_scalar));
 
     add_builtin ("magic");
-    register_generic ("magic", matrix, scalar);
-    register_generic ("magic", matrix, std::vector<jit_type *> (2, scalar));
+    register_generic ("magic", m_matrix, m_scalar);
+    register_generic ("magic", m_matrix, std::vector<jit_type *> (2, m_scalar));
 
     add_builtin ("eye");
-    register_generic ("eye", matrix, scalar);
-    register_generic ("eye", matrix, std::vector<jit_type *> (2, scalar));
+    register_generic ("eye", m_matrix, m_scalar);
+    register_generic ("eye", m_matrix, std::vector<jit_type *> (2, m_scalar));
 
     add_builtin ("mod");
-    register_generic ("mod", scalar, std::vector<jit_type *> (2, scalar));
+    register_generic ("mod", m_scalar, std::vector<jit_type *> (2, m_scalar));
 
-    // casts.resize (next_id + 1);
-    jit_function any_id = create_identity (any);
+    // m_casts.resize (m_next_id + 1);
+    jit_function any_id = create_identity (m_any);
     jit_function grab_any = create_external (JIT_FN (octave_jit_grab_any),
-                                             any, any);
+                                             m_any, m_any);
 
-    jit_function release_any = release_fn.overload (any);
+    jit_function release_any = m_release_fn.overload (m_any);
 
     std::vector<jit_type *> args;
     args.resize (1);
 
-    for (std::map<std::string, jit_type *>::iterator iter = builtins.begin ();
-         iter != builtins.end (); ++iter)
+    for (std::map<std::string, jit_type *>::iterator iter = m_builtins.begin ();
+         iter != m_builtins.end (); ++iter)
       {
         jit_type *btype = iter->second;
         args[0] = btype;
 
-        grab_fn.add_overload (jit_function (grab_any, btype, args));
-        release_fn.add_overload (jit_function (release_any, 0, args));
-        casts[any->type_id ()].add_overload (jit_function (any_id, any, args));
+        m_grab_fn.add_overload (jit_function (grab_any, btype, args));
+        m_release_fn.add_overload (jit_function (release_any, 0, args));
+        m_casts[m_any->type_id ()].add_overload (jit_function (any_id, m_any, args));
 
-        args[0] = any;
-        casts[btype->type_id ()].add_overload (jit_function (any_id, btype,
-                                                             args));
+        args[0] = m_any;
+        m_casts[btype->type_id ()].add_overload (jit_function (any_id, btype,
+                                                               args));
       }
 
-    base_jit_module->finalizeObject ();
+    m_base_jit_module->finalizeObject ();
 
-    in_construction = false;
+    s_in_construction = false;
   }
 
   // create a function with an external calling convention
@@ -1972,10 +1972,10 @@
                                  jit_type *ret,
                                  const std::vector<jit_type *>& args) const
   {
-    jit_function retval (base_jit_module, jit_convention::external,
+    jit_function retval (m_base_jit_module, jit_convention::external,
                          name, ret, args);
 
-    base_jit_module->add_global_mapping (retval.to_llvm (), fn);
+    m_base_jit_module->add_global_mapping (retval.to_llvm (), fn);
 
     return retval;
   }
@@ -1990,11 +1990,11 @@
     assert ((name == "any") || (name == "any_ptr") ||
             (name == "scalar_ptr") || (parent != nullptr));
 
-    jit_type *ret = new jit_type (name, parent, llvm_type, skip_paren, next_id++);
-    id_to_type.push_back (ret);
+    jit_type *ret = new jit_type (name, parent, llvm_type, skip_paren, m_next_id++);
+    m_id_to_type.push_back (ret);
 
-    casts.push_back (jit_operation ("(" + name + ")"));
-    identities.push_back (jit_function ());
+    m_casts.push_back (jit_operation ("(" + name + ")"));
+    m_identities.push_back (jit_function ());
 
     return ret;
   }
@@ -2002,8 +2002,8 @@
   jit_type*
   jit_typeinfo::do_get_intN (size_t nbits) const
   {
-    std::map<size_t, jit_type *>::const_iterator iter = ints.find (nbits);
-    if (iter != ints.end ())
+    std::map<size_t, jit_type *>::const_iterator iter = m_ints.find (nbits);
+    if (iter != m_ints.end ())
       return iter->second;
 
     throw jit_fail_exception ("No such integer type");
@@ -2014,9 +2014,9 @@
   {
     jit_const_index *ccount = dynamic_cast<jit_const_index *> (count);
     if (ccount && ccount->value () == 1)
-      return end1_fn.overload (value->type (), idx->type (), count->type ());
+      return m_end1_fn.overload (value->type (), idx->type (), count->type ());
 
-    return end_fn.overload (value->type (), idx->type (), count->type ());
+    return m_end_fn.overload (value->type (), idx->type (), count->type ());
   }
 
   void
@@ -2028,7 +2028,7 @@
     jit_function fn = create_external (fptr, name.str (), nullptr,
                                        do_get_intN (8), ty);
 
-    print_fn.add_overload (fn);
+    m_print_fn.add_overload (fn);
   }
 
   // FIXME: cp between add_binary_op, add_binary_icmp, and add_binary_fcmp
@@ -2042,14 +2042,14 @@
 
     jit_function fn = create_internal (fname.str (), ty, ty, ty);
     llvm::BasicBlock *block = fn.new_block ();
-    builder.SetInsertPoint (block);
+    m_builder.SetInsertPoint (block);
     llvm::Instruction::BinaryOps temp
       = static_cast<llvm::Instruction::BinaryOps>(llvm_op);
 
-    llvm::Value *ret = builder.CreateBinOp (temp, fn.argument (builder, 0),
-                                            fn.argument (builder, 1));
-    fn.do_return (builder, ret);
-    binary_ops[op].add_overload (fn);
+    llvm::Value *ret = m_builder.CreateBinOp (temp, fn.argument (m_builder, 0),
+                                              fn.argument (m_builder, 1));
+    fn.do_return (m_builder, ret);
+    m_binary_ops[op].add_overload (fn);
   }
 
   void
@@ -2060,15 +2060,15 @@
     fname << "octave_jit" << octave_value::binary_op_as_string (ov_op)
           << '_' << ty->name ();
 
-    jit_function fn = create_internal (fname.str (), boolean, ty, ty);
+    jit_function fn = create_internal (fname.str (), m_boolean, ty, ty);
     llvm::BasicBlock *block = fn.new_block ();
-    builder.SetInsertPoint (block);
+    m_builder.SetInsertPoint (block);
     llvm::CmpInst::Predicate temp
       = static_cast<llvm::CmpInst::Predicate>(llvm_op);
-    llvm::Value *ret = builder.CreateICmp (temp, fn.argument (builder, 0),
-                                           fn.argument (builder, 1));
-    fn.do_return (builder, ret);
-    binary_ops[op].add_overload (fn);
+    llvm::Value *ret = m_builder.CreateICmp (temp, fn.argument (m_builder, 0),
+                                             fn.argument (m_builder, 1));
+    fn.do_return (m_builder, ret);
+    m_binary_ops[op].add_overload (fn);
   }
 
   void
@@ -2079,49 +2079,49 @@
     fname << "octave_jit" << octave_value::binary_op_as_string (ov_op)
           << '_' << ty->name ();
 
-    jit_function fn = create_internal (fname.str (), boolean, ty, ty);
+    jit_function fn = create_internal (fname.str (), m_boolean, ty, ty);
     llvm::BasicBlock *block = fn.new_block ();
-    builder.SetInsertPoint (block);
+    m_builder.SetInsertPoint (block);
     llvm::CmpInst::Predicate temp
       = static_cast<llvm::CmpInst::Predicate>(llvm_op);
-    llvm::Value *ret = builder.CreateFCmp (temp, fn.argument (builder, 0),
-                                           fn.argument (builder, 1));
-    fn.do_return (builder, ret);
-    binary_ops[op].add_overload (fn);
+    llvm::Value *ret = m_builder.CreateFCmp (temp, fn.argument (m_builder, 0),
+                                             fn.argument (m_builder, 1));
+    fn.do_return (m_builder, ret);
+    m_binary_ops[op].add_overload (fn);
   }
 
   jit_function
   jit_typeinfo::create_identity (jit_type *type)
   {
     size_t id = type->type_id ();
-    if (id >= identities.size ())
-      identities.resize (id + 1);
+    if (id >= m_identities.size ())
+      m_identities.resize (id + 1);
 
-    if (! identities[id].valid ())
+    if (! m_identities[id].valid ())
       {
         std::stringstream name;
         name << "id_" << type->name ();
 
         jit_function fn = create_internal (name.str (), type, type);
         llvm::BasicBlock *body = fn.new_block ();
-        builder.SetInsertPoint (body);
-        fn.do_return (builder, fn.argument (builder, 0));
-        return identities[id] = fn;
+        m_builder.SetInsertPoint (body);
+        fn.do_return (m_builder, fn.argument (m_builder, 0));
+        return m_identities[id] = fn;
       }
 
-    return identities[id];
+    return m_identities[id];
   }
 
   llvm::Value *
   jit_typeinfo::do_insert_error_check (llvm::IRBuilderD& abuilder)
   {
-    return abuilder.CreateLoad (lerror_state);
+    return abuilder.CreateLoad (m_lerror_state);
   }
 
   llvm::Value *
   jit_typeinfo::do_insert_interrupt_check (llvm::IRBuilderD& abuilder)
   {
-    llvm::LoadInst *val = abuilder.CreateLoad (loctave_interrupt_state);
+    llvm::LoadInst *val = abuilder.CreateLoad (m_loctave_interrupt_state);
     val->setVolatile (true);
     return abuilder.CreateICmpSGT (val, abuilder.getInt32 (0));
   }
@@ -2129,8 +2129,8 @@
   void
   jit_typeinfo::add_builtin (const std::string& name)
   {
-    jit_type *btype = do_register_new_type (name, any, any_t, true);
-    builtins[name] = btype;
+    jit_type *btype = do_register_new_type (name, m_any, m_any_t, true);
+    m_builtins[name] = btype;
 
     octave_builtin *ov_builtin = find_builtin (name);
     if (ov_builtin)
@@ -2142,13 +2142,13 @@
                                     jit_type *result,
                                     const std::vector<jit_type *>& args)
   {
-    jit_type *builtin_type = builtins[name];
+    jit_type *builtin_type = m_builtins[name];
     size_t nargs = args.size ();
     std::vector<llvm::Type*> llvm_args (nargs);
     for (size_t i = 0; i < nargs; ++i)
       llvm_args[i] = args[i]->to_llvm ();
 
-    llvm::Function *ifun = base_jit_module->
+    llvm::Function *ifun = m_base_jit_module->
       get_intrinsic_declaration (iid, llvm_args);
 
     std::stringstream fn_name;
@@ -2163,14 +2163,14 @@
     // call the intrinsic with the remaining arguments.
     jit_function fn = create_internal (fn_name.str (), result, args1);
     llvm::BasicBlock *body = fn.new_block ();
-    builder.SetInsertPoint (body);
+    m_builder.SetInsertPoint (body);
 
     llvm::SmallVector<llvm::Value *, 5> fargs (nargs);
     for (size_t i = 0; i < nargs; ++i)
-      fargs[i] = fn.argument (builder, i + 1);
+      fargs[i] = fn.argument (m_builder, i + 1);
 
-    llvm::Value *ret = builder.CreateCall (ifun, fargs);
-    fn.do_return (builder, ret);
+    llvm::Value *ret = m_builder.CreateCall (ifun, fargs);
+    fn.do_return (m_builder, ret);
     paren_subsref_fn.add_overload (fn);
   }
 
@@ -2194,27 +2194,27 @@
       return;
 
     std::vector<jit_type *> fn_args (args.size () + 1);
-    fn_args[0] = builtins[name];
+    fn_args[0] = m_builtins[name];
     std::copy (args.begin (), args.end (), fn_args.begin () + 1);
     jit_function fn = create_internal (name, result, fn_args);
     fn.mark_can_error ();
     llvm::BasicBlock *block = fn.new_block ();
-    builder.SetInsertPoint (block);
-    llvm::ArrayType *array_t = llvm::ArrayType::get (any_t, args.size ());
+    m_builder.SetInsertPoint (block);
+    llvm::ArrayType *array_t = llvm::ArrayType::get (m_any_t, args.size ());
     llvm::Value *array = llvm::UndefValue::get (array_t);
     for (size_t i = 0; i < args.size (); ++i)
       {
-        llvm::Value *arg = fn.argument (builder, i + 1);
-        jit_function agrab = grab_fn.overload (args[i]);
+        llvm::Value *arg = fn.argument (m_builder, i + 1);
+        jit_function agrab = m_grab_fn.overload (args[i]);
         if (agrab.valid ())
-          arg = agrab.call (builder, arg);
-        jit_function acast = do_cast (any, args[i]);
-        array = builder.CreateInsertValue (array, acast.call (builder, arg), i);
+          arg = agrab.call (m_builder, arg);
+        jit_function acast = do_cast (m_any, args[i]);
+        array = m_builder.CreateInsertValue (array, acast.call (m_builder, arg), i);
       }
 
-    llvm::Value *array_mem = builder.CreateAlloca (array_t);
-    builder.CreateStore (array, array_mem);
-    array = builder.CreateBitCast (array_mem, any_t->getPointerTo ());
+    llvm::Value *array_mem = m_builder.CreateAlloca (array_t);
+    m_builder.CreateStore (array, array_mem);
+    array = m_builder.CreateBitCast (array_mem, m_any_t->getPointerTo ());
 
     jit_type *jintTy = do_get_intN (sizeof (octave_builtin::fcn) * 8);
     llvm::Type *intTy = jintTy->to_llvm ();
@@ -2223,10 +2223,10 @@
     llvm::Value *nargin = llvm::ConstantInt::get (intTy, args.size ());
     size_t result_int = reinterpret_cast<size_t> (result);
     llvm::Value *res_llvm = llvm::ConstantInt::get (intTy, result_int);
-    llvm::Value *ret = any_call.call (builder, fcn, nargin, array, res_llvm);
+    llvm::Value *ret = m_any_call.call (m_builder, fcn, nargin, array, res_llvm);
 
-    jit_function cast_result = do_cast (result, any);
-    fn.do_return (builder, cast_result.call (builder, ret));
+    jit_function cast_result = do_cast (result, m_any);
+    fn.do_return (m_builder, cast_result.call (m_builder, ret));
     paren_subsref_fn.add_overload (fn);
   }
 
@@ -2240,13 +2240,13 @@
       ret.mark_can_error ();
 
     llvm::BasicBlock *body = ret.new_block ();
-    builder.SetInsertPoint (body);
-    llvm::Value *result = fn.call (builder, ret.argument (builder, 1),
-                                   ret.argument (builder, 0));
+    m_builder.SetInsertPoint (body);
+    llvm::Value *result = fn.call (m_builder, ret.argument (m_builder, 1),
+                                   ret.argument (m_builder, 0));
     if (ret.result ())
-      ret.do_return (builder, result);
+      ret.do_return (m_builder, result);
     else
-      ret.do_return (builder);
+      ret.do_return (m_builder);
 
     return ret;
   }
@@ -2256,7 +2256,7 @@
   {
     llvm::Value *real = bld.CreateExtractValue (cplx, 0);
     llvm::Value *imag = bld.CreateExtractValue (cplx, 1);
-    llvm::Value *ret = llvm::UndefValue::get (complex_ret);
+    llvm::Value *ret = llvm::UndefValue::get (m_complex_ret);
 
     unsigned int re_idx[] = {0, 0};
     unsigned int im_idx[] = {0, 1};
@@ -2270,10 +2270,10 @@
     unsigned int re_idx[] = {0, 0};
     unsigned int im_idx[] = {0, 1};
 
-    llvm::Type *complex_t = get_complex ()->to_llvm ();
+    llvm::Type *m_complex_t = get_complex ()->to_llvm ();
     llvm::Value *real = bld.CreateExtractValue (result, re_idx);
     llvm::Value *imag = bld.CreateExtractValue (result, im_idx);
-    llvm::Value *ret = llvm::UndefValue::get (complex_t);
+    llvm::Value *ret = llvm::UndefValue::get (m_complex_t);
 
     ret = bld.CreateInsertValue (ret, real, 0);
     return bld.CreateInsertValue (ret, imag, 1);
@@ -2282,31 +2282,31 @@
   llvm::Value *
   jit_typeinfo::complex_real (llvm::Value *cx)
   {
-    return builder.CreateExtractValue (cx, 0);
+    return m_builder.CreateExtractValue (cx, 0);
   }
 
   llvm::Value *
   jit_typeinfo::complex_real (llvm::Value *cx, llvm::Value *real)
   {
-    return builder.CreateInsertValue (cx, real, 0);
+    return m_builder.CreateInsertValue (cx, real, 0);
   }
 
   llvm::Value *
   jit_typeinfo::complex_imag (llvm::Value *cx)
   {
-    return builder.CreateExtractValue (cx, 1);
+    return m_builder.CreateExtractValue (cx, 1);
   }
 
   llvm::Value *
   jit_typeinfo::complex_imag (llvm::Value *cx, llvm::Value *imag)
   {
-    return builder.CreateInsertValue (cx, imag, 1);
+    return m_builder.CreateInsertValue (cx, imag, 1);
   }
 
   llvm::Value *
   jit_typeinfo::complex_new (llvm::Value *real, llvm::Value *imag)
   {
-    llvm::Value *ret = llvm::UndefValue::get (complex->to_llvm ());
+    llvm::Value *ret = llvm::UndefValue::get (m_complex->to_llvm ());
     ret = complex_real (ret, real);
     return complex_imag (ret, imag);
   }
@@ -2321,19 +2321,19 @@
         octave_builtin *builtin
           = dynamic_cast<octave_builtin *> (ov.internal_rep ());
         return builtin && builtin->to_jit () ? builtin->to_jit ()
-          : unknown_function;
+          : m_unknown_function;
       }
 
     if (ov.is_range ())
-      return range;
+      return m_range;
 
     if (ov.is_double_type () && ! ov.iscomplex ())
       {
         if (ov.is_real_scalar ())
-          return scalar;
+          return m_scalar;
 
         if (ov.is_matrix_type ())
-          return matrix;
+          return m_matrix;
       }
 
     if (ov.is_complex_scalar ())
@@ -2343,12 +2343,11 @@
         // We don't really represent complex values, instead we represent
         // complex_or_scalar.  If the imag value is zero, we assume a scalar.
         if (cv.imag () != 0)
-          return complex;
+          return m_complex;
       }
 
-    return any;
+    return m_any;
   }
-
 }
 
 #endif