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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 LEX_INCLUDED
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#define LEX_INCLUDED
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/*
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LEXICAL ANALYSIS DECLARATIONS
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The routines in this module are concerned with the lexical analysis
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of the input, including its decomposition into preprocessing tokens
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using the routine read_token.
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*/
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extern void init_lex PROTO_S ( ( void ) ) ;
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extern void init_char PROTO_S ( ( void ) ) ;
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extern void process_file PROTO_S ( ( void ) ) ;
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extern IDENTIFIER make_keyword PROTO_S ( ( HASHID, int, IDENTIFIER ) ) ;
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extern void init_keywords PROTO_S ( ( void ) ) ;
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extern int read_token PROTO_S ( ( void ) ) ;
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extern int read_string PROTO_S ( ( int, int ) ) ;
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extern int peek_char PROTO_S ( ( int, int * ) ) ;
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extern int skip_to_end PROTO_S ( ( void ) ) ;
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extern unsigned long skip_white PROTO_S ( ( int ) ) ;
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extern void patch_white PROTO_S ( ( unsigned long ) ) ;
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extern int get_digraph PROTO_S ( ( int ) ) ;
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extern int primary_form PROTO_S ( ( int ) ) ;
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extern int is_white_char PROTO_S ( ( unsigned long ) ) ;
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extern int is_alpha_char PROTO_S ( ( unsigned long ) ) ;
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extern int is_legal_char PROTO_S ( ( unsigned long ) ) ;
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extern void set_char_lookup PROTO_S ( ( int, int ) ) ;
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extern void set_character PROTO_S ( ( EXP, EXP ) ) ;
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/*
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LEXICAL TOKEN INFORMATION
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These variables are used by read_token to hold information about the
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current lexical token.
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*/
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extern BUFFER token_buff ;
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extern HASHID token_hashid ;
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extern CONST char *token_names [] ;
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/*
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LEXICAL ANALYSIS OPTIONS
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These variables are used to configure the lexical analysis routines.
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*/
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extern int allow_trigraphs ;
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extern int allow_digraphs ;
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extern int allow_unicodes ;
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extern int allow_multibyte ;
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extern int allow_cpp_comments ;
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extern int allow_dos_newline ;
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extern int allow_extra_symbols ;
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extern int allow_iso_keywords ;
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extern int analyse_comments ;
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extern unsigned long max_id_length ;
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/*
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TOKEN NAME LOOK-UP
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The macro token_name is used to look up the name associated with the
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lexical token number T.
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*/
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#define token_name( T ) ( ustrlit ( token_names [ ( T ) ] ) )
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/*
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WHITE-SPACE INDICATORS
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These macros are used by skip_white to indicate the form of the white-
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space characters skipped.
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*/
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#define WHITE_SPACE ( ( unsigned long ) 0x01 )
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#define WHITE_NEWLINE ( ( unsigned long ) 0x02 )
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#define WHITE_ESC_NEWLINE ( ( unsigned long ) 0x04 )
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#define WHITE_MASK ( WHITE_SPACE | WHITE_NEWLINE )
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#endif
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