/**************************************************************************

    IDL.h (IDL parse tree and namespace components)

    Include wide character support before this, if necessary.

    Copyright (C) 1998 Andrew T. Veliath

    This program 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 2 of the License, or
    (at your option) any later version.

    This program 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 this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    $Id: IDL.h,v 1.55 1998/10/09 15:38:08 andrewtv Exp $

***************************************************************************/
#ifndef __IDL_H
#define __IDL_H

#ifndef __G_LIB_H__
#  error must include glib.h before this file
#endif /* __G_LIB_H__ */

#ifdef __cplusplus
extern "C" {
#endif

/* miscellaneous constants */
#define IDL_SUCCESS			0
#define IDL_ERROR			1
#define IDL_WARNING1			2
#define IDL_WARNING2			3
#define IDL_WARNING3			4
#define IDL_WARNINGMAX			IDL_WARNING3

/* flags for IDL_parse_filename */
#define IDLF_NO_EVAL_CONST		(1UL << 0)
#define IDLF_COMBINE_REOPENED_MODULES	(1UL << 1)
#define IDLF_PREFIX_FILENAME		(1UL << 2)

/* declaration specification flags */
#define IDLF_DECLSPEC_EXIST		(1UL << 0)
#define IDLF_DECLSPEC_INHIBIT		(1UL << 1)

/* type casting checks */
#define IDL_check_cast_enable(boolean)	do {	\
	extern int __IDL_check_type_casts;	\
	__IDL_check_type_casts = (boolean);	\
} while (0) 
#define IDL_CHECK_CAST(tree, thetype, name)			\
	(IDL_check_type_cast(tree, thetype,			\
			    __FILE__, __LINE__,			\
			    G_GNUC_PRETTY_FUNCTION)->u.name)

#ifdef HAVE_GINT64
typedef gint64				IDL_longlong_t;
typedef guint64				IDL_ulonglong_t;
#else
typedef long				IDL_longlong_t;
typedef unsigned long			IDL_ulonglong_t;
#  warning 64-bit integer type not available, using 32-bit instead
#endif /* HAVE_GINT64 */
#if (SIZEOF_LONG < 8) && defined(__GNUC__)
#  define IDL_B8_FMT			"%llo"
#  define IDL_UB10_FMT			"%llu"
#  define IDL_SB10_FMT			"%lld"
#  define IDL_B16_FMT			"%llx"
#else
#  define IDL_B8_FMT			"%lo"
#  define IDL_UB10_FMT			"%lu"
#  define IDL_SB10_FMT			"%ld"
#  define IDL_B16_FMT			"%lx"
#endif
typedef unsigned int			IDL_declspec_t;
typedef struct _IDL_tree_node 		IDL_tree_node;
typedef struct _IDL_tree_node *		IDL_tree;

struct _IDL_LIST {
	IDL_tree data;
	IDL_tree prev;
	IDL_tree next;
	IDL_tree _tail;			/* Internal use, may not be valid */
};
  
#define IDL_LIST(a)			IDL_CHECK_CAST(a, IDLN_LIST, idl_list)
extern IDL_tree		IDL_list_new			(IDL_tree data);
extern IDL_tree		IDL_list_concat			(IDL_tree orig,
							 IDL_tree append);
extern IDL_tree		IDL_list_remove			(IDL_tree list,
							IDL_tree p);
extern int		IDL_list_length			(IDL_tree list);
extern IDL_tree		IDL_list_nth			(IDL_tree list,
							 int n);

struct _IDL_GENTREE {
	IDL_tree data;
	GHashTable *siblings;
	GHashTable *children;
	GHashFunc hash_func;
	GCompareFunc key_compare_func;
	IDL_tree _import;		/* Internal use, do not recurse */
	char *_cur_prefix;		/* Internal use */
};
#define IDL_GENTREE(a)			IDL_CHECK_CAST(a, IDLN_GENTREE, idl_gentree)
extern IDL_tree		IDL_gentree_new			(GHashFunc hash_func,
							 GCompareFunc key_compare_func,
							 IDL_tree data);
extern IDL_tree		IDL_gentree_new_sibling		(IDL_tree from,
							 IDL_tree data);
extern IDL_tree		IDL_gentree_chain_sibling	(IDL_tree from,
							 IDL_tree data);
extern IDL_tree		IDL_gentree_chain_child		(IDL_tree from,
							 IDL_tree data);

struct _IDL_INTEGER {
	IDL_longlong_t value;
};
#define IDL_INTEGER(a)			IDL_CHECK_CAST(a, IDLN_INTEGER, idl_integer)
extern IDL_tree		IDL_integer_new			(IDL_longlong_t value);

struct _IDL_STRING {
	char *value;
};
#define IDL_STRING(a)			IDL_CHECK_CAST(a, IDLN_STRING, idl_string)
extern IDL_tree		IDL_string_new			(char *value);

struct _IDL_WIDE_STRING {
	wchar_t *value;
};
#define IDL_WIDE_STRING(a)		IDL_CHECK_CAST(a, IDLN_WIDE_STRING, idl_wide_string)
extern IDL_tree		IDL_wide_string_new		(wchar_t *value);

struct _IDL_CHAR {
	char *value;
};
#define IDL_CHAR(a)			IDL_CHECK_CAST(a, IDLN_CHAR, idl_char)
extern IDL_tree		IDL_char_new			(char *value);

struct _IDL_WIDE_CHAR {
	wchar_t *value;
};
#define IDL_WIDE_CHAR(a)		IDL_CHECK_CAST(a, IDLN_WIDE_CHAR, idl_wide_char)
extern IDL_tree		IDL_wide_char_new		(wchar_t *value);

struct _IDL_FIXED {
	char *value;
};
#define IDL_FIXED(a)			IDL_CHECK_CAST(a, IDLN_FIXED, idl_fixed)
extern IDL_tree		IDL_fixed_new			(char *value);

struct _IDL_FLOAT {
	double value;
};
#define IDL_FLOAT(a)			IDL_CHECK_CAST(a, IDLN_FLOAT, idl_float)
extern IDL_tree		IDL_float_new			(double value);

struct _IDL_BOOLEAN {
	unsigned value;
};
#define IDL_BOOLEAN(a)			IDL_CHECK_CAST(a, IDLN_BOOLEAN, idl_boolean)
extern IDL_tree		IDL_boolean_new			(unsigned value);

struct _IDL_IDENT {
	char *str;
	char *repo_id;
	IDL_tree _ns_ref;		/* Internal use, do not recurse */
	unsigned _flags;		/* Internal use */
#define IDLF_IDENT_CASE_MISMATCH_HIT	(1UL << 0)
};
#define IDL_IDENT(a)			IDL_CHECK_CAST(a, IDLN_IDENT, idl_ident)
#define IDL_IDENT_TO_NS(a)		IDL_CHECK_CAST(a, IDLN_IDENT, idl_ident._ns_ref)
#define IDL_IDENT_REPO_ID(a)		IDL_CHECK_CAST(a, IDLN_IDENT, idl_ident.repo_id)
extern IDL_tree		IDL_ident_new			(char *str);

struct _IDL_TYPE_FLOAT {
	enum IDL_float_type {
		IDL_FLOAT_TYPE_FLOAT,
		IDL_FLOAT_TYPE_DOUBLE,
		IDL_FLOAT_TYPE_LONGDOUBLE
	} f_type;
};
#define IDL_TYPE_FLOAT(a)		IDL_CHECK_CAST(a, IDLN_TYPE_FLOAT, idl_type_float)
extern IDL_tree		IDL_type_float_new		(enum IDL_float_type f_type);

struct _IDL_TYPE_FIXED {
	IDL_tree positive_int_const;
	IDL_tree integer_lit;
};
#define IDL_TYPE_FIXED(a)		IDL_CHECK_CAST(a, IDLN_TYPE_FIXED, idl_type_fixed)
extern IDL_tree		IDL_type_fixed_new		(IDL_tree positive_int_const,
							 IDL_tree integer_lit);

struct _IDL_TYPE_INTEGER {
	unsigned f_signed		: 1;
	enum IDL_integer_type {
		IDL_INTEGER_TYPE_SHORT,
		IDL_INTEGER_TYPE_LONG,
		IDL_INTEGER_TYPE_LONGLONG
	} f_type;
};
#define IDL_TYPE_INTEGER(a)		IDL_CHECK_CAST(a, IDLN_TYPE_INTEGER, idl_type_integer)
extern IDL_tree		IDL_type_integer_new		(unsigned f_signed,
							 enum IDL_integer_type f_type);

extern IDL_tree		IDL_type_char_new		(void);
extern IDL_tree		IDL_type_wide_char_new		(void);
extern IDL_tree		IDL_type_boolean_new		(void);
extern IDL_tree		IDL_type_octet_new		(void);
extern IDL_tree		IDL_type_any_new		(void);
extern IDL_tree		IDL_type_object_new		(void);

struct _IDL_TYPE_STRING {
	IDL_tree positive_int_const;
};
#define IDL_TYPE_STRING(a)		IDL_CHECK_CAST(a, IDLN_TYPE_STRING, idl_type_string)
extern IDL_tree		IDL_type_string_new		(IDL_tree positive_int_const);

struct _IDL_TYPE_WIDE_STRING {
	IDL_tree positive_int_const;
};
#define IDL_TYPE_WIDE_STRING(a)		IDL_CHECK_CAST(a, IDLN_TYPE_WIDE_STRING, idl_type_wide_string)
extern IDL_tree		IDL_type_wide_string_new	(IDL_tree positive_int_const);

struct _IDL_TYPE_ENUM {
	IDL_tree ident;
	IDL_tree enumerator_list;
};
#define IDL_TYPE_ENUM(a)		IDL_CHECK_CAST(a, IDLN_TYPE_ENUM, idl_type_enum)
extern IDL_tree		IDL_type_enum_new		(IDL_tree ident,
							 IDL_tree enumerator_list);

struct _IDL_TYPE_ARRAY {
	IDL_tree ident;
	IDL_tree size_list;
};
#define IDL_TYPE_ARRAY(a)		IDL_CHECK_CAST(a, IDLN_TYPE_ARRAY, idl_type_array)
extern IDL_tree		IDL_type_array_new		(IDL_tree ident,
							 IDL_tree size_list);

struct _IDL_TYPE_SEQUENCE {
	IDL_tree simple_type_spec;
	IDL_tree positive_int_const;
};
#define IDL_TYPE_SEQUENCE(a)		IDL_CHECK_CAST(a, IDLN_TYPE_SEQUENCE, idl_type_sequence)
extern IDL_tree		IDL_type_sequence_new		(IDL_tree simple_type_spec,
							 IDL_tree positive_int_const);

struct _IDL_TYPE_STRUCT {
	IDL_tree ident;
	IDL_tree member_list;
};
#define IDL_TYPE_STRUCT(a)		IDL_CHECK_CAST(a, IDLN_TYPE_STRUCT, idl_type_struct)
extern IDL_tree		IDL_type_struct_new		(IDL_tree ident,
							 IDL_tree member_list);

struct _IDL_TYPE_UNION {
	IDL_tree ident;
	IDL_tree switch_type_spec;
	IDL_tree switch_body;
};
#define IDL_TYPE_UNION(a)		IDL_CHECK_CAST(a, IDLN_TYPE_UNION, idl_type_union)
extern IDL_tree		IDL_type_union_new		(IDL_tree ident,
							 IDL_tree switch_type_spec,
							 IDL_tree switch_body);
struct _IDL_MEMBER {
	IDL_tree type_spec;
	IDL_tree dcls;
};
#define IDL_MEMBER(a)			IDL_CHECK_CAST(a, IDLN_MEMBER, idl_member)
extern IDL_tree		IDL_member_new			(IDL_tree type_spec,
							 IDL_tree dcls);

struct _IDL_NATIVE {
	IDL_tree ident;
};
#define IDL_NATIVE(a)			IDL_CHECK_CAST(a, IDLN_NATIVE, idl_native)
extern IDL_tree		IDL_native_new			(IDL_tree ident);


struct _IDL_TYPE_DCL {
	IDL_tree type_spec;
	IDL_tree dcls;
};
#define IDL_TYPE_DCL(a)			IDL_CHECK_CAST(a, IDLN_TYPE_DCL, idl_type_dcl)
extern IDL_tree		IDL_type_dcl_new		(IDL_tree type_spec,
							 IDL_tree dcls);

struct _IDL_CONST_DCL {
	IDL_tree const_type;
	IDL_tree ident;
	IDL_tree const_exp;
};
#define IDL_CONST_DCL(a)		IDL_CHECK_CAST(a, IDLN_CONST_DCL, idl_const_dcl)
extern IDL_tree		IDL_const_dcl_new		(IDL_tree const_type,
							 IDL_tree ident,
							 IDL_tree const_exp);

struct _IDL_EXCEPT_DCL {
	IDL_tree ident;
	IDL_tree members;
};
#define IDL_EXCEPT_DCL(a)		IDL_CHECK_CAST(a, IDLN_EXCEPT_DCL, idl_except_dcl)
extern IDL_tree		IDL_except_dcl_new		(IDL_tree ident,
							 IDL_tree members);

struct _IDL_ATTR_DCL {
	unsigned f_readonly		: 1;
	IDL_tree param_type_spec;
	IDL_tree simple_declarations;
};
#define IDL_ATTR_DCL(a)			IDL_CHECK_CAST(a, IDLN_ATTR_DCL, idl_attr_dcl)
extern IDL_tree		IDL_attr_dcl_new		(unsigned f_readonly,
							 IDL_tree param_type_spec,
							 IDL_tree simple_declarations);

struct _IDL_OP_DCL {
	unsigned f_oneway		: 1;
	IDL_tree op_type_spec;
	IDL_tree ident;
	IDL_tree parameter_dcls;
	IDL_tree raises_expr;
	IDL_tree context_expr;
};
#define IDL_OP_DCL(a)			IDL_CHECK_CAST(a, IDLN_OP_DCL, idl_op_dcl)
extern IDL_tree		IDL_op_dcl_new			(unsigned f_oneway,
							 IDL_tree op_type_spec,
							 IDL_tree ident,
							 IDL_tree parameter_dcls,
							 IDL_tree raises_expr,
							 IDL_tree context_expr);

struct _IDL_PARAM_DCL {
	enum IDL_param_attr {
		IDL_PARAM_IN,
		IDL_PARAM_OUT,
		IDL_PARAM_INOUT
	} attr;
	IDL_tree param_type_spec;
	IDL_tree simple_declarator;
};
#define IDL_PARAM_DCL(a)		IDL_CHECK_CAST(a, IDLN_PARAM_DCL, idl_param_dcl)
extern IDL_tree		IDL_param_dcl_new		(enum IDL_param_attr attr,
							 IDL_tree param_type_spec,
							 IDL_tree simple_declarator);

struct _IDL_CASE_STMT {
	IDL_tree labels;
	IDL_tree element_spec;
};
#define IDL_CASE_STMT(a)		IDL_CHECK_CAST(a, IDLN_CASE_STMT, idl_case_stmt)
extern IDL_tree		IDL_case_stmt_new		(IDL_tree labels,
							 IDL_tree element_spec);

struct _IDL_INTERFACE {
	IDL_tree ident;
	IDL_tree inheritance_spec;
	IDL_tree body;
};
#define IDL_INTERFACE(a)		IDL_CHECK_CAST(a, IDLN_INTERFACE, idl_interface)
extern IDL_tree		IDL_interface_new		(IDL_tree ident,
							 IDL_tree inheritance_spec,
							 IDL_tree body);

struct _IDL_FORWARD_DCL {
	IDL_tree ident;
};
#define IDL_FORWARD_DCL(a)		IDL_CHECK_CAST(a, IDLN_FORWARD_DCL, idl_forward_dcl)
extern IDL_tree		IDL_forward_dcl_new		(IDL_tree ident);

struct _IDL_MODULE {
	IDL_tree ident;
	IDL_tree definition_list;
};
#define IDL_MODULE(a)			IDL_CHECK_CAST(a, IDLN_MODULE, idl_module)
extern IDL_tree		IDL_module_new			(IDL_tree ident,
							 IDL_tree definition_list);

struct _IDL_BINOP {
	enum IDL_binop {
		IDL_BINOP_OR,
		IDL_BINOP_XOR,
		IDL_BINOP_AND,
		IDL_BINOP_SHR,
		IDL_BINOP_SHL,
		IDL_BINOP_ADD,
		IDL_BINOP_SUB,
		IDL_BINOP_MULT,
		IDL_BINOP_DIV,
		IDL_BINOP_MOD
	} op;
	IDL_tree left, right;
};
#define IDL_BINOP(a)			IDL_CHECK_CAST(a, IDLN_BINOP, idl_binop)
extern IDL_tree		IDL_binop_new			(enum IDL_binop op,
							 IDL_tree left,
							 IDL_tree right);

struct _IDL_UNARYOP {
	enum IDL_unaryop {
		IDL_UNARYOP_PLUS,
		IDL_UNARYOP_MINUS,
		IDL_UNARYOP_COMPLEMENT
	} op;
	IDL_tree operand;
};
#define IDL_UNARYOP(a)			IDL_CHECK_CAST(a, IDLN_UNARYOP, idl_unaryop)
extern IDL_tree		IDL_unaryop_new			(enum IDL_unaryop op,
							 IDL_tree operand);

typedef enum {
	IDLN_NONE,
	IDLN_ANY,
	IDLN_LIST,
	IDLN_GENTREE,
	IDLN_INTEGER,
	IDLN_STRING,
	IDLN_WIDE_STRING,
	IDLN_CHAR,
	IDLN_WIDE_CHAR,
	IDLN_FIXED,
	IDLN_FLOAT,
	IDLN_BOOLEAN,
	IDLN_IDENT,
	IDLN_TYPE_DCL,
	IDLN_CONST_DCL,
	IDLN_EXCEPT_DCL,
	IDLN_ATTR_DCL,
	IDLN_OP_DCL,
	IDLN_PARAM_DCL,
	IDLN_FORWARD_DCL,
	IDLN_TYPE_INTEGER,
	IDLN_TYPE_FLOAT,
	IDLN_TYPE_FIXED,
	IDLN_TYPE_CHAR,
	IDLN_TYPE_WIDE_CHAR,
	IDLN_TYPE_STRING,
	IDLN_TYPE_WIDE_STRING,
	IDLN_TYPE_BOOLEAN,
	IDLN_TYPE_OCTET,
	IDLN_TYPE_ANY,
	IDLN_TYPE_OBJECT,
	IDLN_TYPE_ENUM,
	IDLN_TYPE_SEQUENCE,
	IDLN_TYPE_ARRAY,
	IDLN_TYPE_STRUCT,
	IDLN_TYPE_UNION,
	IDLN_MEMBER,
	IDLN_NATIVE,
	IDLN_CASE_STMT,
	IDLN_INTERFACE,
	IDLN_MODULE,
	IDLN_BINOP,
	IDLN_UNARYOP
} IDL_tree_type;
extern const char *			IDL_tree_type_names[];

struct _IDL_tree_node {
	IDL_tree_type _type;
	IDL_tree up;			/* Do not recurse */
	IDL_declspec_t declspec;
	int refs;
	char *_file;			/* Internal use */
	int _line;			/* Internal use */
	union {
		struct _IDL_LIST idl_list;
		struct _IDL_GENTREE idl_gentree;
		struct _IDL_INTEGER idl_integer;
		struct _IDL_STRING idl_string;
		struct _IDL_WIDE_STRING idl_wide_string;
		struct _IDL_CHAR idl_char;
		struct _IDL_WIDE_CHAR idl_wide_char;
		struct _IDL_FIXED idl_fixed;
		struct _IDL_FLOAT idl_float;
		struct _IDL_BOOLEAN idl_boolean;
		struct _IDL_IDENT idl_ident;
		struct _IDL_TYPE_DCL idl_type_dcl;
		struct _IDL_CONST_DCL idl_const_dcl;
		struct _IDL_EXCEPT_DCL idl_except_dcl;
		struct _IDL_ATTR_DCL idl_attr_dcl;
		struct _IDL_OP_DCL idl_op_dcl;
		struct _IDL_PARAM_DCL idl_param_dcl;
		struct _IDL_FORWARD_DCL idl_forward_dcl;
		struct _IDL_TYPE_FLOAT idl_type_float;
		struct _IDL_TYPE_FIXED idl_type_fixed;
		struct _IDL_TYPE_INTEGER idl_type_integer;
		struct _IDL_TYPE_ENUM idl_type_enum;
		struct _IDL_TYPE_STRING idl_type_string;
		struct _IDL_TYPE_WIDE_STRING idl_type_wide_string;
		struct _IDL_TYPE_SEQUENCE idl_type_sequence;
		struct _IDL_TYPE_ARRAY idl_type_array;
		struct _IDL_TYPE_STRUCT idl_type_struct;
		struct _IDL_TYPE_UNION idl_type_union;
		struct _IDL_MEMBER idl_member;
		struct _IDL_NATIVE idl_native;
		struct _IDL_CASE_STMT idl_case_stmt;
		struct _IDL_INTERFACE idl_interface;
		struct _IDL_MODULE idl_module;
		struct _IDL_BINOP idl_binop;
		struct _IDL_UNARYOP idl_unaryop;
	} u;
};
#define IDL_NODE_TYPE(a)		((a)->_type)
#define IDL_NODE_TYPE_NAME(a)		(IDL_tree_type_names[IDL_NODE_TYPE(a)])
#define IDL_NODE_UP(a)			((a)->up)
#define IDL_NODE_DECLSPEC(a)		((a)->declspec)
#define IDL_NODE_REFS(a)		((a)->refs)
#define IDL_NODE_IS_LITERAL(a)				\
	(IDL_NODE_TYPE(a) == IDLN_INTEGER ||		\
	 IDL_NODE_TYPE(a) == IDLN_STRING ||		\
	 IDL_NODE_TYPE(a) == IDLN_WIDE_STRING ||	\
	 IDL_NODE_TYPE(a) == IDLN_CHAR ||		\
	 IDL_NODE_TYPE(a) == IDLN_WIDE_CHAR ||		\
	 IDL_NODE_TYPE(a) == IDLN_FIXED ||		\
	 IDL_NODE_TYPE(a) == IDLN_FLOAT ||		\
	 IDL_NODE_TYPE(a) == IDLN_BOOLEAN)
#define IDL_NODE_IS_SCOPED(a)				\
	(IDL_NODE_TYPE(a) == IDLN_IDENT ||		\
	 IDL_NODE_TYPE(a) == IDLN_INTERFACE ||		\
	 IDL_NODE_TYPE(a) == IDLN_MODULE ||		\
	 IDL_NODE_TYPE(a) == IDLN_EXCEPT_DCL ||		\
	 IDL_NODE_TYPE(a) == IDLN_OP_DCL ||		\
	 IDL_NODE_TYPE(a) == IDLN_TYPE_ENUM ||		\
	 IDL_NODE_TYPE(a) == IDLN_TYPE_STRUCT ||	\
	 IDL_NODE_TYPE(a) == IDLN_TYPE_UNION)
	
typedef struct _IDL_ns *		IDL_ns;

struct _IDL_ns {
	IDL_tree global;
	IDL_tree file;
	IDL_tree current;
	GHashTable *inhibits;
};
#define IDL_NS(a)			(*(a))

typedef int		(*IDL_callback)			(int level,
							 int num,
							 int line,
							 const char *filename,
							 const char *message);

typedef gboolean	(*IDL_tree_func)		(IDL_tree p,
							 gpointer user_data);
	
extern IDL_tree		IDL_check_type_cast		(const IDL_tree var,
							 IDL_tree_type type,
							 const char *file,
							 int line,
							 const char *function);
	
extern const char *	IDL_get_libver_string		(void);

extern const char *	IDL_get_IDLver_string		(void);

extern int		IDL_parse_filename		(const char *filename,
							 const char *cpp_args,
							 IDL_callback cb,
							 IDL_tree *tree, IDL_ns *ns,
							 unsigned long parse_flags,
							 int max_msg_level);

extern int		IDL_ns_prefix			(IDL_ns ns,
							 const char *s);

extern void		IDL_ns_ID			(IDL_ns ns,
							 const char *s);
	
extern void		IDL_ns_version			(IDL_ns ns,
							 const char *s);

extern IDL_tree		IDL_get_parent_node		(IDL_tree p,
							 IDL_tree_type type,
							 int *scope_levels);

extern void		IDL_tree_walk_in_order		(IDL_tree p,
							 IDL_tree_func tree_func,
							 gpointer user_data);

extern void		IDL_tree_free			(IDL_tree root);

extern char *		IDL_do_escapes			(const char *s);

extern IDL_tree		IDL_resolve_const_exp		(IDL_tree p,
							 IDL_tree_type type);
	
extern IDL_ns		IDL_ns_new			(void);

extern void		IDL_ns_free			(IDL_ns ns);

extern IDL_tree		IDL_ns_resolve_this_scope_ident	(IDL_ns ns,
							 IDL_tree scope,
							 IDL_tree ident);

extern IDL_tree		IDL_ns_resolve_ident		(IDL_ns ns,
							 IDL_tree ident);

extern IDL_tree		IDL_ns_lookup_this_scope	(IDL_ns ns,
							 IDL_tree scope,
							 IDL_tree ident,
							 gboolean *conflict);

extern IDL_tree		IDL_ns_lookup_cur_scope		(IDL_ns ns,
							 IDL_tree ident,
							 gboolean *conflict);

extern IDL_tree		IDL_ns_place_new		(IDL_ns ns,
							 IDL_tree ident);

extern void		IDL_ns_push_scope		(IDL_ns ns,
							 IDL_tree ident);

extern void		IDL_ns_pop_scope		(IDL_ns ns);

extern IDL_tree		IDL_ns_qualified_ident_new	(IDL_tree nsid);

extern char *		IDL_ns_ident_to_qstring		(IDL_tree ns_ident,
							 const char *join,
							 int scope_levels);

extern char *		IDL_ns_ident_make_repo_id	(IDL_ns ns,
							 IDL_tree p,
							 const char *p_prefix,
							 int *major,
							 int *minor);

#ifdef __cplusplus
}
#endif

#endif /* __IDL_H */