JIT compile anonymous functions * jit-ir.h (jit_block::front, jit_block::back): New function. (jit_call::jit_call): New overloads. (jit_return): New class. * jit-typeinfo.cc (octave_jit_create_undef): New function. (jit_operation::to_idx): Correctly handle empty type vector. (jit_typeinfo::jit_typeinfo): Add destroy_fn and initialize create_undef. * jit-typeinfo.h (jit_typeinfo::get_any_ptr, jit_typeinfo::destroy, jit_typeinfo::create_undef): New function. * pt-jit.cc (jit_convert::jit_convert): Add overload and refactor. (jit_convert::initialize, jit_convert_llvm::convert_loop, jit_convert_llvm::convert_function, tree_jit::do_execute, jit_function_info::jit_function_info, jit_function_info::execute, jit_function_info::match): New function. (jit_convert::get_variable): Support function variable lookup. (jit_convert_llvm::convert): Handle loop/function agnostic stuff. (jit_convert_llvm::visit): Handle function creation as well. (tree_jit::execute): Move implementation to tree_jit::do_execute. (jit_info::compile): Call convert_loop instead of convert. * pt-jit.h (jit_convert::jit_convert): New overload. (jit_convert::initialize, jit_convert_llvm::convert_loop, jit_convert_llvm::convert_function, tree_jit::do_execute): New function. (jit_convert::create_variable, jit_convert_llvm::initialize): Update signature. (tree_jit::execute): Made static. (tree_jit::tree_jit): Made private. (jit_function_info): New class. * ov-usr-fcn.cc (octave_user_function::~octave_user_function): Delete jit_info. (octave_user_function::octave_user_function): Maybe JIT and use is_special_expr and special_expr. (octave_user_function::special_expr): New function. * ov-usr-fcn.h (octave_user_function::is_special_expr, octave_user_function::special_expr, octave_user_function::get_info, octave_user_function::stash_info): New function. * pt-decl.h (tree_decl_elt::name): New function. * pt-eval.cc (tree_evaluator::visit_simple_for_command, tree_evaluator::visit_while_command): Use static tree_jit methods.

/*

Copyright (C) 1999-2012 John W. Eaton

This file is part of Octave.

Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.

Octave is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, see
<http://www.gnu.org/licenses/>.

*/

#if !defined (octave_tree_cell_h)
#define octave_tree_cell_h 1

#include <iosfwd>

class octave_value;
class octave_value_list;
class tree_argument_list;

class tree_walker;

#include "pt-mat.h"
#include "symtab.h"

// General cells.

class
tree_cell : public tree_matrix
{
public:

  tree_cell (tree_argument_list *row = 0, int l = -1, int c = -1)
    : tree_matrix (row, l, c) { }

  ~tree_cell (void) { }

  bool rvalue_ok (void) const { return true; }

  octave_value rvalue1 (int nargout = 1);

  octave_value_list rvalue (int);

  tree_expression *dup (symbol_table::scope_id scope,
                        symbol_table::context_id context) const;

  void accept (tree_walker& tw);

private:

  // No copying!

  tree_cell (const tree_cell&);

  tree_cell& operator = (const tree_cell&);
};

#endif