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Crown Copyright (c) 1997
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This TenDRA(r) Computer Program is subject to Copyright
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owned by the United Kingdom Secretary of State for Defence
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acting through the Defence Evaluation and Research Agency
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(DERA). It is made available to Recipients with a
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royalty-free licence for its use, reproduction, transfer
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to other parties and amendment for any purpose not excluding
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product development provided that any such use et cetera
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shall be deemed to be acceptance of the following conditions:-
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(1) Its Recipients shall ensure that this Notice is
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reproduced upon any copies or amended versions of it;
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(2) Any amended version of it shall be clearly marked to
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show both the nature of and the organisation responsible
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for the relevant amendment or amendments;
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(3) Its onward transfer from a recipient to another
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party shall be deemed to be that party's acceptance of
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these conditions;
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(4) DERA gives no warranty or assurance as to its
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quality or suitability for any purpose and DERA accepts
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no liability whatsoever in relation to any use to which
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it may be put.
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*/
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#ifndef TYPE_INCLUDED
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#define TYPE_INCLUDED
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/*
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TYPE REPRESENTING A C TYPE
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A type consists of a type identifier followed by a union of different
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information, depending on the identifier.
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*/
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typedef struct type_tag {
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int id ;
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union {
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object *obj ;
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struct type_tag *subtype ;
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} u ;
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union {
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int no ;
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char *str ;
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object *obj2 ;
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struct type_tag *next ;
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} v ;
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boolean state ;
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} type ;
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/*
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TYPE REPRESENTING A STRUCTURE OR UNION FIELD
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A field of a structure or union consists of an object, giving the
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corresponding token, a field name, a field type, and the parent
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structure or union type.
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*/
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typedef struct field_tag {
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object *obj ;
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char *fname ;
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type *ftype ;
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type *stype ;
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} field ;
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/*
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TYPE IDENTIFIERS
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These are the valid type identifiers. The first set consists of the
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base types, the second of the compound type constructors.
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*/
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#define TYPE_VOID 0
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#define TYPE_INT 1
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#define TYPE_SIGNED 2
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#define TYPE_UNSIGNED 3
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#define TYPE_FLOAT 4
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#define TYPE_ARITH 5
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#define TYPE_SCALAR 6
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#define TYPE_STRUCT 7
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#define TYPE_STRUCT_TAG 8
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#define TYPE_UNION 9
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#define TYPE_UNION_TAG 10
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#define TYPE_ENUM 11
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#define TYPE_ENUM_TAG 12
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#define TYPE_GENERIC 13
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#define TYPE_DEFINED 14
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#define TYPE_ARRAY 15
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#define TYPE_BITFIELD 16
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#define TYPE_LIST 17
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#define TYPE_LVALUE 18
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#define TYPE_PROC 19
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#define TYPE_PROMOTE 20
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#define TYPE_PTR 21
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#define TYPE_QUALIFIER 22
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#define TYPE_RVALUE 23
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/*
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BASE TYPE SPECIFIERS
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The basic type specifiers are represented as combinations of these
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values.
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*/
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#define BTYPE_CHAR ( ( unsigned ) 0x0001 )
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#define BTYPE_SHORT ( ( unsigned ) 0x0002 )
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#define BTYPE_INT ( ( unsigned ) 0x0004 )
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#define BTYPE_LONG ( ( unsigned ) 0x0008 )
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#define BTYPE_LLONG ( ( unsigned ) 0x0010 )
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#define BTYPE_SIGNED ( ( unsigned ) 0x0020 )
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#define BTYPE_UNSIGNED ( ( unsigned ) 0x0040 )
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#define BTYPE_FLOAT ( ( unsigned ) 0x0080 )
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#define BTYPE_DOUBLE ( ( unsigned ) 0x0100 )
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#define BTYPE_VOID ( ( unsigned ) 0x0200 )
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#define BTYPE_ERROR ( ( unsigned ) 0x0400 )
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/*
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FUNDAMENTAL TYPES
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These types represent the basic C types.
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*/
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#define BUILTIN( TYPE, NAME, VERS, ID ) extern type *TYPE
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#include "builtin.h"
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/*
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PROCEDURE DECLARATIONS
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These routines are concerned with creating and manipulating types.
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*/
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extern type *basic_type PROTO_S ( ( unsigned ) ) ;
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extern type *make_type PROTO_S ( ( char *, int, int ) ) ;
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extern type *find_type PROTO_S ( ( char *, int, int, int ) ) ;
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extern type *make_subtype PROTO_S ( ( type *, int ) ) ;
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extern type *inject_type PROTO_S ( ( type *, type * ) ) ;
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extern type *check_type PROTO_S ( ( type *, int ) ) ;
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extern type *expand_type PROTO_S ( ( type * ) ) ;
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extern field *make_field PROTO_S ( ( char *, int, type *, type * ) ) ;
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extern type *special_type PROTO_S ( ( char * ) ) ;
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extern void init_types PROTO_S ( ( void ) ) ;
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#endif
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