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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* vm.h
* Copyright (C) 2005-2006 Akira TAGOH
*
* Authors:
* Akira TAGOH <at@gclab.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __LIBRETTO_VM_H__
#define __LIBRETTO_VM_H__
#include <hieroglyph/hgtypes.h>
G_BEGIN_DECLS
#define HG_LOCAL_POOL_SIZE 240000 * 100
#define HG_GLOBAL_POOL_SIZE 240000 * 100
#define HG_GRAPHIC_POOL_SIZE 240000 * 50
typedef enum {
VM_EMULATION_LEVEL_1 = 1,
VM_EMULATION_LEVEL_2,
VM_EMULATION_LEVEL_3
} HgVMEmulationType;
typedef enum {
VM_IO_STDIN = 1,
VM_IO_STDOUT,
VM_IO_STDERR,
} HgVMIOType;
typedef enum {
VM_e_dictfull = 1,
VM_e_dictstackoverflow,
VM_e_dictstackunderflow,
VM_e_execstackoverflow,
VM_e_handleerror,
VM_e_interrupt,
VM_e_invalidaccess,
VM_e_invalidexit,
VM_e_invalidfileaccess,
VM_e_invalidfont,
VM_e_invalidrestore,
VM_e_ioerror,
VM_e_limitcheck,
VM_e_nocurrentpoint,
VM_e_rangecheck,
VM_e_stackoverflow,
VM_e_stackunderflow,
VM_e_syntaxerror,
VM_e_timeout,
VM_e_typecheck,
VM_e_undefined,
VM_e_undefinedfilename,
VM_e_undefinedresult,
VM_e_unmatchedmark,
VM_e_unregistered,
VM_e_VMerror,
VM_e_configurationerror,
VM_e_undefinedresource,
VM_e_END,
} HgVMError;
/* initializer */
void hg_vm_init (void);
void hg_vm_finalize (void);
gboolean hg_vm_is_initialized(void);
/* virtual machine */
HgVM *hg_vm_new (HgVMEmulationType type);
void hg_vm_set_emulation_level (HgVM *vm,
HgVMEmulationType type);
HgVMEmulationType hg_vm_get_emulation_level (HgVM *vm);
HgStack *hg_vm_get_ostack (HgVM *vm);
HgStack *hg_vm_get_estack (HgVM *vm);
HgStack *hg_vm_get_dstack (HgVM *vm);
HgDict *hg_vm_get_dict_errordict (HgVM *vm);
HgDict *hg_vm_get_dict_error (HgVM *vm);
HgDict *hg_vm_get_dict_statusdict (HgVM *vm);
HgDict *hg_vm_get_dict_serverdict (HgVM *vm);
HgDict *hg_vm_get_dict_font (HgVM *vm);
HgDict *hg_vm_get_dict_systemdict (HgVM *vm);
HgDict *hg_vm_get_dict_globalfont (HgVM *vm);
HgMemPool *hg_vm_get_current_pool (HgVM *vm);
gboolean hg_vm_is_global_pool_used (HgVM *vm);
void hg_vm_use_global_pool (HgVM *vm,
gboolean use_global);
gboolean hg_vm_is_global_object (HgVM *vm,
HgValueNode *node);
HgGraphics *hg_vm_get_graphics (HgVM *vm);
gint32 hg_vm_get_current_time (HgVM *vm);
GRand *hg_vm_get_random_generator (HgVM *vm);
HgFileObject *hg_vm_get_io (HgVM *vm,
HgVMIOType type);
void hg_vm_set_io (HgVM *vm,
HgVMIOType type,
HgFileObject *file);
HgLineEdit *hg_vm_get_line_editor (HgVM *vm);
void hg_vm_set_line_editor (HgVM *vm,
HgLineEdit *editor);
gboolean hg_vm_load_plugin (HgVM *vm,
const gchar *filename);
gboolean hg_vm_unload_plugin (HgVM *vm,
const gchar *filename);
void hg_vm_load_plugins_all (HgVM *vm);
guint hg_vm_get_save_level (HgVM *vm);
HgValueNode *hg_vm_get_name_node (HgVM *vm,
const gchar *name);
HgValueNode *hg_vm_lookup (HgVM *vm,
HgValueNode *key);
HgValueNode *hg_vm_lookup_with_string (HgVM *vm,
const gchar *key);
gboolean hg_vm_startjob (HgVM *vm,
const gchar *initializer,
gboolean encapsulated);
gboolean hg_vm_has_error (HgVM *vm);
void hg_vm_clear_error (HgVM *vm);
void hg_vm_reset_error (HgVM *vm);
void hg_vm_set_error (HgVM *vm,
HgValueNode *errnode,
HgVMError error,
gboolean drop_self);
void hg_vm_set_error_from_file (HgVM *vm,
HgValueNode *errnode,
HgFileObject *file,
gboolean drop_self);
gboolean hg_vm_main (HgVM *vm);
gchar *hg_vm_find_libfile (HgVM *vm,
const gchar *file);
gboolean hg_vm_run (HgVM *vm,
const gchar *file);
gboolean hg_vm_eval (HgVM *vm,
const gchar *expression,
HgStack *ostack,
HgStack *estack,
HgStack *dstack,
gboolean *error);
gint32 hg_vm_get_error_code (HgVM *vm);
void hg_vm_shutdown (HgVM *vm,
gint32 error_code);
/* internal use */
HgValueNode *_hg_vm_get_name_node(HgVM *vm,
const gchar *name);
G_END_DECLS
#endif /* __HG_VM_H__ */
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