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/*
Crown Copyright (c) 1997
This TenDRA(r) Computer Program is subject to Copyright
owned by the United Kingdom Secretary of State for Defence
acting through the Defence Evaluation and Research Agency
(DERA). It is made available to Recipients with a
royalty-free licence for its use, reproduction, transfer
to other parties and amendment for any purpose not excluding
product development provided that any such use et cetera
shall be deemed to be acceptance of the following conditions:-
(1) Its Recipients shall ensure that this Notice is
reproduced upon any copies or amended versions of it;
(2) Any amended version of it shall be clearly marked to
show both the nature of and the organisation responsible
for the relevant amendment or amendments;
(3) Its onward transfer from a recipient to another
party shall be deemed to be that party's acceptance of
these conditions;
(4) DERA gives no warranty or assurance as to its
quality or suitability for any purpose and DERA accepts
no liability whatsoever in relation to any use to which
it may be put.
*/
#include "config.h"
#include <ctype.h>
#include "object.h"
#include "hash.h"
#include "name.h"
#include "type.h"
#include "utility.h"
#include "variable.h"
/*
STANDARD FLAGS
These flags are set by the command-line options and determine the
action of the program.
*/
boolean allow_long_long = 0 ;
boolean force_output = 0 ;
boolean local_input = 0 ;
boolean restrict_depth = 1 ;
boolean restrict_use = 0 ;
boolean unique_names = 0 ;
int verbose = 0 ;
/*
INPUT AND OUTPUT DIRECTORIES
The variable input_dir consists of a colon-separated list of directories
to be searched for input files. output_incl_dir and output_src_dir
give respectively the output include and output source directories.
The lengths of these directory names (plus one) are also given.
*/
char *input_dir = INPUT_DIR ;
char *output_incl_dir = INCLUDE_DIR ;
char *output_src_dir = SRC_DIR ;
int output_incl_len = ( int ) sizeof ( INCLUDE_DIR ) ;
int output_src_len = ( int ) sizeof ( SRC_DIR ) ;
/*
FIND THE BASENAME OF A FILE NAME
This routine returns the basename (i.e. just the final component) of
the filename nm.
*/
char *basename
PROTO_N ( ( nm ) )
PROTO_T ( char *nm )
{
char *b = nm ;
for ( ; *nm ; nm++ ) {
if ( *nm == '/' ) b = nm + 1 ;
}
return ( b ) ;
}
/*
FIND THE DIRECTORY COMPONENT OF A FILE NAME
This routine returns a copy of the directory component of the filename
nm.
*/
char *dirname
PROTO_N ( ( nm ) )
PROTO_T ( char *nm )
{
char *p, *end = null ;
char *dir = string_copy ( nm ) ;
for ( p = dir ; *p ; p++ ) {
if ( *p == '/' ) end = p ;
}
if ( end == null || end == dir ) return ( null ) ;
*end = 0 ;
return ( dir ) ;
}
/*
FIND A RELATIVE PATHNAME
This routine prints the relative pathname from the file from to the
file to, ignoring the first n characters.
*/
char *relative
PROTO_N ( ( from, to, n ) )
PROTO_T ( char *from X char *to X int n )
{
char *s = buffer ;
if ( from == null ) return ( to ) ;
if ( to == null ) return ( from ) ;
for ( from = from + n; *from ; from++ ) {
if ( *from == '/' ) {
IGNORE strcpy ( s, "../" ) ;
s += 3 ;
}
}
IGNORE strcpy ( s, to + n ) ;
return ( buffer ) ;
}
/*
HACK A NAME
This routine hacks the name nm according to the given key.
*/
char *hack_name
PROTO_N ( ( nm, key ) )
PROTO_T ( char *nm X char *key )
{
char *p = string_copy ( nm ), *q ;
for ( q = p ; *q ; q++ ) {
char c = *q ;
if ( isalpha ( c ) && isupper ( c ) ) {
/* The second letter of key maps upper case letters */
if ( key [1] == 'a' ) *q = ( char ) tolower ( c ) ;
} else if ( isalpha ( c ) && islower ( c ) ) {
/* The third letter of key maps lower case letters */
if ( key [2] == 'A' ) *q = ( char ) toupper ( c ) ;
} else if ( isdigit ( c ) ) {
/* The fourth letter of key maps digits */
*q = ( char ) ( c - '0' + key [3] ) ;
} else if ( strchr ( key + 4, c ) ) {
/* The rest of key gives special characters */
} else {
/* The first letter of key is the default */
*q = key [0] ;
}
}
return ( p ) ;
}
/*
FIND A TOKEN NAME
This routine makes up a token name for an object named nm. If
unique_names is false this is just nm, otherwise it is prefixed by
a string depending on the current input file.
*/
char *token_name
PROTO_N ( ( nm ) )
PROTO_T ( char *nm )
{
if ( strneq ( nm, HIDDEN_NAME, HIDDEN_LEN ) ) {
nm = string_concat ( "~", nm + HIDDEN_LEN ) ;
}
if ( unique_names && crt_object ) {
info *i = crt_object->u.u_info ;
char *pfx = i->prefix ;
if ( pfx == null ) {
pfx = token_prefix ( i->api, i->file, i->subset ) ;
i->prefix = pfx ;
}
if ( *pfx ) return ( string_printf ( "%s.%s", pfx, nm ) ) ;
}
return ( nm ) ;
}
/*
FIND TOKEN PREFIX
This routine finds the token prefix for the API subset api:file:subset.
*/
char *token_prefix
PROTO_N ( ( api, file, subset ) )
PROTO_T ( char *api X char *file X char *subset )
{
UNUSED ( subset ) ;
if ( unique_names ) {
int n ;
if ( file == null ) return ( api ) ;
IGNORE sprintf ( buffer, "%s.%s", api, basename ( file ) ) ;
n = ( int ) strlen ( buffer ) - 2 ;
if ( n >= 0 && buffer [n] == '.' ) buffer [n] = 0 ;
return ( hack_name ( buffer, "_Aa0." ) ) ;
}
return ( null ) ;
}
/*
FIND A SUBSET NAME
This routine finds the name associated with the API subset with API
api, header file and subset subset.
*/
char *subset_name
PROTO_N ( ( api, file, subset ) )
PROTO_T ( char *api X char *file X char *subset )
{
char *sn ;
if ( subset ) {
char *f = ( file ? file : "" ) ;
sn = string_printf ( "%s:%s:%s", api, f, subset ) ;
} else if ( file ) {
sn = string_printf ( "%s:%s", api, file ) ;
} else {
sn = string_printf ( "%s", api ) ;
}
return ( sn ) ;
}
/*
FIND AN INCLUDE OUTPUT FILE NAME
This routine finds the include output file name for the API subset
api:file:subset using the directory dir as a base.
*/
char *include_name
PROTO_N ( ( dir, api, file, subset ) )
PROTO_T ( char *dir X char *api X char *file X char *subset )
{
char *nm ;
if ( subset ) {
char s [20] ;
IGNORE strncpy ( s, subset, 18 ) ;
s [ OUTPUT_LENGTH ] = 0 ;
nm = string_printf ( OUTPUT_SUBSET, dir, api, s ) ;
} else if ( file ) {
nm = string_printf ( OUTPUT_FILE, dir, api, file ) ;
} else {
nm = string_printf ( OUTPUT_API, dir, api ) ;
}
return ( nm ) ;
}
/*
FIND A SOURCE OUTPUT FILE NAME
This routine finds the source output file name for the API subset
api:file:subset using the directory dir as a base.
*/
char *src_name
PROTO_N ( ( dir, api, file, subset ) )
PROTO_T ( char *dir X char *api X char *file X char *subset )
{
char *nm ;
if ( subset ) {
char s [20] ;
IGNORE strncpy ( s, subset, 18 ) ;
s [ OUTPUT_LENGTH ] = 0 ;
nm = string_printf ( SOURCE_SUBSET, dir, api, s ) ;
} else if ( file ) {
int n ;
nm = string_printf ( SOURCE_FILE, dir, api, basename ( file ) ) ;
n = ( int ) strlen ( nm ) - 4 ;
if ( n >= 0 && streq ( nm + n, ".h.c" ) ) {
IGNORE strcpy ( nm + n, ".c" ) ;
}
} else {
nm = string_printf ( SOURCE_API, dir, api ) ;
}
return ( nm ) ;
}
/*
FIND A MACRO NAME
This routine finds the protection (or other) macro for the API subset
api:file:subset using the macro prefix pfx.
*/
char *macro_name
PROTO_N ( ( pfx, api, file, subset ) )
PROTO_T ( char *pfx X char *api X char *file X char *subset )
{
if ( subset ) {
char *f = ( file ? file : "" ) ;
IGNORE sprintf ( buffer, "%s_%s_%s_%s", pfx, api, f, subset ) ;
} else if ( file ) {
IGNORE sprintf ( buffer, "%s_%s_%s", pfx, api, file ) ;
} else {
IGNORE sprintf ( buffer, "%s_%s", pfx, api ) ;
}
return ( hack_name ( buffer, "_AA0" ) ) ;
}
/*
FIND A DECLARATION BLOCK NAME
This routine finds the declaration block name for the API subset
api:file:subset.
*/
char *block_name
PROTO_N ( ( api, file, subset ) )
PROTO_T ( char *api X char *file X char *subset )
{
char * pfx = ( subset ? "subset" : "api" ) ;
if ( file ) {
int len;
IGNORE sprintf ( buffer, "%s__%s__%s", pfx, api, file ) ;
/* remove any trailing ".h" */
len = ( int ) strlen ( buffer ) ;
if ( streq ( buffer + len - 2, ".h" ) )
buffer [ len - 2 ] = '\0' ;
} else {
IGNORE sprintf ( buffer, "%s__%s", pfx, api ) ;
}
return ( hack_name ( buffer, "_Aa0" ) ) ;
}