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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 "errors.h"
#include "entry_ops.h"
#include "map_ops.h"
#include "msg_ops.h"
#include "name_ops.h"
#include "param_ops.h"
#include "error.h"
#include "lex.h"
#include "process.h"
#include "xalloc.h"
/*
DATABASE HEADER INFORMATION
These variables are used to store the standard header information.
*/
char *db_name = "ERRORS" ;
char *db_name_alt = "ERRORS" ;
char *rig_name = "ERR_" ;
char *rig_comp_output = "ERR_" ;
char *rig_from_comp = "ERR_USE_" ;
char *rig_from_db = "ERR_NO_" ;
/*
DATABASE SECTION LISTS
These variables are used to store the various lists of information
built up by the parser.
*/
LIST ( ENTRY ) all_entries = NULL_list ( ENTRY ) ;
LIST ( KEY ) all_keys = NULL_list ( KEY ) ;
LIST ( PROPERTY ) all_props = NULL_list ( PROPERTY ) ;
LIST ( TYPE ) all_types = NULL_list ( TYPE ) ;
LIST ( USAGE ) all_usages = NULL_list ( USAGE ) ;
LIST ( KEY ) all_keys_aux = NULL_list ( KEY ) ;
LIST ( PROPERTY ) all_props_aux = NULL_list ( PROPERTY ) ;
LIST ( TYPE ) all_types_aux = NULL_list ( TYPE ) ;
LIST ( USAGE ) all_usages_aux = NULL_list ( USAGE ) ;
LIST ( KEY ) all_keys_alt = NULL_list ( KEY ) ;
LIST ( PROPERTY ) all_props_alt = NULL_list ( PROPERTY ) ;
LIST ( TYPE ) all_types_alt = NULL_list ( TYPE ) ;
LIST ( USAGE ) all_usages_alt = NULL_list ( USAGE ) ;
/*
FIND CODE LETTER
This routine finds a code letter corresponding to the number n. It
assumes the ASCII character set.
*/
static int code_letter
PROTO_N ( ( n ) )
PROTO_T ( int n )
{
if ( n < 10 ) return ( '0' + n ) ;
if ( n < 36 ) return ( 'A' + ( n - 10 ) ) ;
if ( n < 72 ) return ( 'a' + ( n - 36 ) ) ;
return ( n + 128 ) ;
}
/*
LOOK UP AN ERROR MAP
This routine looks up the value of the property named s in the list
of property mappings p.
*/
static MAP find_map
PROTO_N ( ( p, s ) )
PROTO_T ( LIST ( MAP ) p X string s )
{
while ( !IS_NULL_list ( p ) ) {
MAP m = DEREF_map ( HEAD_list ( p ) ) ;
NAME n = DEREF_name ( map_key ( m ) ) ;
if ( !IS_NULL_name ( n ) ) {
string t = DEREF_string ( name_id ( n ) ) ;
if ( streq ( s, t ) ) return ( m ) ;
}
p = TAIL_list ( p ) ;
}
return ( NULL_map ) ;
}
/*
OUTPUT A MESSAGE LIST
This routine prints the message list p to the file f.
*/
static void output_msg
PROTO_N ( ( f, p ) )
PROTO_T ( FILE *f X LIST ( MESSAGE ) p )
{
int sp = 0 ;
fputc_v ( '"', f ) ;
while ( !IS_NULL_list ( p ) ) {
MESSAGE m = DEREF_msg ( HEAD_list ( p ) ) ;
if ( !IS_NULL_msg ( m ) ) {
if ( IS_msg_param ( m ) ) {
PARAM a = DEREF_param ( msg_param_arg ( m ) ) ;
int an = DEREF_int ( param_number ( a ) ) ;
an = code_letter ( an ) ;
if ( sp ) {
fputc_v ( ' ', f ) ;
sp = 0 ;
}
fprintf_v ( f, "%%%c", an ) ;
} else {
char c ;
string s = DEREF_string ( msg_text_arg ( m ) ) ;
while ( c = *( s++ ), c != 0 ) {
if ( c == ' ' || c == '\t' || c == '\n' ) {
sp = 1 ;
} else {
if ( sp ) {
fputc_v ( ' ', f ) ;
sp = 0 ;
}
fputc_v ( c, f ) ;
}
}
}
}
p = TAIL_list ( p ) ;
}
fputc_v ( '"', f ) ;
return ;
}
/*
OUTPUT ERROR DEFINITIONS
This routine outputs all the error definitions to the file f.
*/
static void output_defn
PROTO_N ( ( f ) )
PROTO_T ( FILE *f )
{
/* Print error catalog */
LIST ( NAME ) p ;
char *d1 = db_name ;
char *d2 = db_name_alt ;
char *pre = rig_comp_output ;
char *pre_comp = rig_from_comp ;
LIST ( ENTRY ) q = all_entries ;
/* Print each catalogue entry */
fprintf_v ( f, "/* Error catalogue */\n\n" ) ;
if ( streq ( d1, d2 ) ) {
fprintf_v ( f, "%sCONST char *%sNAME = \"%s\" ;\n", pre, pre, d1 ) ;
} else {
fprintf_v ( f, "#ifndef %sALTERNATE\n", pre ) ;
fprintf_v ( f, "%sCONST char *%sNAME = \"%s\" ;\n", pre, pre, d1 ) ;
fprintf_v ( f, "#else\n" ) ;
fprintf_v ( f, "%sCONST char *%sNAME = \"%s\" ;\n", pre, pre, d2 ) ;
fprintf_v ( f, "#endif\n" ) ;
}
fprintf_v ( f, "\n%sDATA %sCATALOG [] = {\n", pre, pre ) ;
while ( !IS_NULL_list ( q ) ) {
unsigned u = 0 ;
char *suff = ",\n" ;
ENTRY e = DEREF_entry ( HEAD_list ( q ) ) ;
string en = DEREF_string ( entry_name ( e ) ) ;
USAGE eu = DEREF_name ( entry_use ( e ) ) ;
USAGE ev = DEREF_name ( entry_alt_use ( e ) ) ;
LIST ( MAP ) em = DEREF_list ( entry_maps ( e ) ) ;
LIST ( PROPERTY ) eq = DEREF_list ( entry_props ( e ) ) ;
LIST ( PARAM ) ep = DEREF_list ( entry_signature ( e ) ) ;
/* Print error name */
fprintf_v ( f, " {\n\t\"%s\",\n", en ) ;
/* Print error signature */
if ( IS_NULL_list ( ep ) ) {
fprintf_v ( f, "\tNULL,\n" ) ;
} else {
fprintf_v ( f, "\t\"" ) ;
while ( !IS_NULL_list ( ep ) ) {
PARAM a = DEREF_param ( HEAD_list ( ep ) ) ;
TYPE at = DEREF_name ( param_type ( a ) ) ;
int an = DEREF_int ( name_number ( at ) ) ;
an = code_letter ( an ) ;
fputc_v ( an, f ) ;
ep = TAIL_list ( ep ) ;
}
fprintf_v ( f, "\",\n" ) ;
}
/* Print error usage */
if ( !EQ_name ( eu, ev ) ) {
fprintf_v ( f, "#ifndef %sALTERNATE\n", pre ) ;
}
if ( IS_NULL_name ( eu ) ) {
fprintf_v ( f, "\t0,\n" ) ;
} else {
string un = DEREF_string ( name_id ( eu ) ) ;
fprintf_v ( f, "\t%s%s,\n", pre_comp, un ) ;
}
if ( !EQ_name ( eu, ev ) ) {
fprintf_v ( f, "#else\n" ) ;
if ( IS_NULL_name ( ev ) ) {
fprintf_v ( f, "\t0,\n" ) ;
} else {
string vn = DEREF_string ( name_id ( ev ) ) ;
fprintf_v ( f, "\t%s%s,\n", pre_comp, vn ) ;
}
fprintf_v ( f, "#endif\n" ) ;
}
/* Print error properties */
p = all_keys ;
if ( IS_NULL_list ( p ) ) suff = "\n" ;
while ( !IS_NULL_list ( eq ) ) {
PROPERTY nq = DEREF_name ( HEAD_list ( eq ) ) ;
unsigned n = ( unsigned ) DEREF_int ( name_number ( nq ) ) ;
u |= ( ( ( unsigned ) 1 ) << n ) ;
eq = TAIL_list ( eq ) ;
}
fprintf_v ( f, "\t%u%s", u, suff ) ;
/* Print error keys */
while ( !IS_NULL_list ( p ) ) {
NAME n = DEREF_name ( HEAD_list ( p ) ) ;
string pn = DEREF_string ( name_id ( n ) ) ;
MAP pm = find_map ( em, pn ) ;
p = TAIL_list ( p ) ;
if ( IS_NULL_list ( p ) ) suff = "\n" ;
if ( IS_NULL_map ( pm ) ) {
fprintf_v ( f, "\tNULL%s", suff ) ;
} else {
LIST ( MESSAGE ) m1 = DEREF_list ( map_msg ( pm ) ) ;
LIST ( MESSAGE ) m2 = DEREF_list ( map_alt_msg ( pm ) ) ;
if ( !EQ_list ( m1, m2 ) ) {
fprintf_v ( f, "#ifndef %sALTERNATE\n", pre ) ;
}
fprintf_v ( f, "\t" ) ;
output_msg ( f, m1 ) ;
fprintf_v ( f, "%s", suff ) ;
if ( !EQ_list ( m1, m2 ) ) {
fprintf_v ( f, "#else\n\t" ) ;
output_msg ( f, m2 ) ;
fprintf_v ( f, "%s#endif\n", suff ) ;
}
}
}
fprintf_v ( f, " },\n" ) ;
q = TAIL_list ( q ) ;
}
/* Print dummy end marker */
fprintf_v ( f, " {\n" ) ;
fprintf_v ( f, "\tNULL,\n" ) ;
fprintf_v ( f, "\tNULL,\n" ) ;
fprintf_v ( f, "\t0,\n" ) ;
fprintf_v ( f, "\t0" ) ;
p = all_keys ;
while ( !IS_NULL_list ( p ) ) {
fprintf_v ( f, ",\n\tNULL" ) ;
p = TAIL_list ( p ) ;
}
fprintf_v ( f, "\n }\n" ) ;
fprintf_v ( f, "} ;\n" ) ;
return ;
}
/*
OUTPUT ERROR DECLARATIONS
This routine outputs all the error declarations to the file f.
*/
static void output_decl
PROTO_N ( ( f ) )
PROTO_T ( FILE *f )
{
int qn = 0 ;
LIST ( ENTRY ) q = all_entries ;
/* Print main type definition */
char *pre = rig_comp_output ;
char *pre_comp = rig_from_comp ;
LIST ( NAME ) p = all_keys ;
fprintf_v ( f, "#ifndef %sINCLUDED\n", pre ) ;
fprintf_v ( f, "#define %sINCLUDED\n\n\n", pre ) ;
fprintf_v ( f, "/* Error data structure */\n\n" ) ;
fprintf_v ( f, "#ifndef %sCONST\n", pre ) ;
fprintf_v ( f, "#define %sCONST\n", pre ) ;
fprintf_v ( f, "#endif\n\n" ) ;
if ( LENGTH_list ( all_props ) < 16 ) {
fprintf_v ( f, "typedef unsigned %sPROPS ;\n\n", pre ) ;
} else {
fprintf_v ( f, "typedef unsigned long %sPROPS ;\n\n", pre ) ;
}
fprintf_v ( f, "typedef struct {\n" ) ;
fprintf_v ( f, " %sCONST char *name ;\n", pre ) ;
fprintf_v ( f, " %sCONST char *signature ;\n", pre ) ;
fprintf_v ( f, " int usage ;\n" ) ;
fprintf_v ( f, " %sPROPS props ;\n", pre ) ;
while ( !IS_NULL_list ( p ) ) {
NAME t = DEREF_name ( HEAD_list ( p ) ) ;
string tn = DEREF_string ( name_id ( t ) ) ;
fprintf_v ( f, " %sCONST char *key_%s ;\n", pre, tn ) ;
p = TAIL_list ( p ) ;
}
fprintf_v ( f, "} %sDATA ;\n\n", pre ) ;
fprintf_v ( f, "extern %sDATA %sCATALOG [] ;\n", pre, pre ) ;
fprintf_v ( f, "extern %sCONST char *%sNAME ;\n\n\n", pre, pre ) ;
/* Print type keys */
p = all_types ;
fprintf_v ( f, "/* Error type keys */\n\n" ) ;
while ( !IS_NULL_list ( p ) ) {
NAME t = DEREF_name ( HEAD_list ( p ) ) ;
string tn = DEREF_string ( name_id ( t ) ) ;
int n = DEREF_int ( name_number ( t ) ) ;
n = code_letter ( n ) ;
fprintf_v ( f, "#define %sKEY_%s '%c'\n", pre, tn, n ) ;
p = TAIL_list ( p ) ;
}
fprintf_v ( f, "\n\n" ) ;
/* Print usage keys */
p = all_usages ;
fprintf_v ( f, "/* Error usage keys */\n\n" ) ;
fprintf_v ( f, "#ifndef %sUSE\n", pre ) ;
while ( !IS_NULL_list ( p ) ) {
NAME t = DEREF_name ( HEAD_list ( p ) ) ;
string tn = DEREF_string ( name_id ( t ) ) ;
int n = DEREF_int ( name_number ( t ) ) ;
fprintf_v ( f, "#define %s%s %d\n", pre_comp, tn, n ) ;
p = TAIL_list ( p ) ;
}
fprintf_v ( f, "#endif\n\n\n" ) ;
/* Print property keys */
p = all_props ;
fprintf_v ( f, "/* Error property keys */\n\n" ) ;
fprintf_v ( f, "#ifndef %sPROP\n", pre ) ;
while ( !IS_NULL_list ( p ) ) {
NAME t = DEREF_name ( HEAD_list ( p ) ) ;
string tn = DEREF_string ( name_id ( t ) ) ;
unsigned n = ( unsigned ) DEREF_int ( name_number ( t ) ) ;
unsigned u = ( ( ( unsigned ) 1 ) << n ) ;
fprintf_v ( f, "#define %sPROP_%s ( ( %sPROPS ) 0x%x )\n",
pre, tn, pre, u ) ;
p = TAIL_list ( p ) ;
}
fprintf_v ( f, "#endif\n\n\n" ) ;
/* Print type checking macros */
p = all_types ;
fprintf_v ( f, "/* Error type checking */\n\n" ) ;
fprintf_v ( f, "#if defined ( %sCHECK ) && defined ( __STDC__ )\n", pre ) ;
while ( !IS_NULL_list ( p ) ) {
NAME t = DEREF_name ( HEAD_list ( p ) ) ;
string tn = DEREF_string ( name_id ( t ) ) ;
int n = DEREF_int ( name_number ( t ) ) ;
n = code_letter ( n ) ;
fprintf_v ( f, "extern %s chk_%c ( %s ) ;\n", tn, n, tn ) ;
p = TAIL_list ( p ) ;
}
fprintf_v ( f, "#else\n" ) ;
p = all_types ;
while ( !IS_NULL_list ( p ) ) {
NAME t = DEREF_name ( HEAD_list ( p ) ) ;
int n = DEREF_int ( name_number ( t ) ) ;
n = code_letter ( n ) ;
fprintf_v ( f, "#define chk_%c( A ) ( A )\n", n ) ;
p = TAIL_list ( p ) ;
}
fprintf_v ( f, "#endif\n\n\n" ) ;
/* Print error macros */
fprintf_v ( f, "/* Error message macros */\n\n" ) ;
fprintf_v ( f, "#ifdef %sGEN\n\n", pre ) ;
while ( !IS_NULL_list ( q ) ) {
ENTRY e = DEREF_entry ( HEAD_list ( q ) ) ;
string en = DEREF_string ( entry_name ( e ) ) ;
LIST ( PARAM ) ep = DEREF_list ( entry_signature ( e ) ) ;
unsigned np = LENGTH_list ( ep ) ;
fprintf_v ( f, "#define %s%s(", pre, en ) ;
if ( !IS_NULL_list ( ep ) ) {
/* Print parameter list */
int arg = 0 ;
LIST ( PARAM ) eq = ep ;
while ( !IS_NULL_list ( eq ) ) {
if ( arg ) fputc_v ( ',', f ) ;
fprintf_v ( f, " %c", 'A' + arg ) ;
eq = TAIL_list ( eq ) ;
arg++ ;
}
fputc_v ( ' ', f ) ;
}
fprintf_v ( f, ")\\\n" ) ;
fprintf_v ( f, "\t%sGEN ( %d", pre, qn ) ;
if ( np ) {
/* Print error definition */
int arg = 0 ;
LIST ( PARAM ) eq = ep ;
while ( !IS_NULL_list ( eq ) ) {
PARAM a = DEREF_param ( HEAD_list ( eq ) ) ;
TYPE at = DEREF_name ( param_type ( a ) ) ;
int an = DEREF_int ( name_number ( at ) ) ;
an = code_letter ( an ) ;
fprintf_v ( f, ", chk_%c ( %c )", an, 'A' + arg ) ;
eq = TAIL_list ( eq ) ;
arg++ ;
}
}
fprintf_v ( f, " )\n\n" ) ;
q = TAIL_list ( q ) ;
qn++ ;
}
fprintf_v ( f, "\n#endif\n#endif\n" ) ;
return ;
}
/*
OUTPUT ERROR NUMBERS
This routine outputs all the error numbers to the file f.
*/
static void output_number
PROTO_N ( ( f ) )
PROTO_T ( FILE *f )
{
int qn = 0 ;
LIST ( ENTRY ) q = all_entries ;
char *pre = rig_comp_output ;
char *pre_db = rig_from_db ;
fprintf_v ( f, "#ifndef %sNO_INCLUDED\n", pre ) ;
fprintf_v ( f, "#define %sNO_INCLUDED\n\n\n", pre ) ;
fprintf_v ( f, "/* Error message macros */\n\n" ) ;
while ( !IS_NULL_list ( q ) ) {
ENTRY e = DEREF_entry ( HEAD_list ( q ) ) ;
string en = DEREF_string ( entry_name ( e ) ) ;
fprintf_v ( f, "#define %s%s %d\n", pre_db, en, qn ) ;
q = TAIL_list ( q ) ;
qn++ ;
}
fprintf_v ( f, "\n#endif\n" ) ;
return ;
}
/*
OUTPUT USAGES
This routine output all the usages to the file f.
*/
static void output_usage
PROTO_N ( ( f ) )
PROTO_T ( FILE *f )
{
char *pre = rig_comp_output ;
char *pre_comp = rig_from_comp ;
LIST ( USAGE ) p = all_usages ;
LIST ( USAGE ) q = all_usages_aux ;
LIST ( USAGE ) r = all_usages_alt ;
while ( !IS_NULL_list ( p ) ) {
USAGE u = DEREF_name ( HEAD_list ( p ) ) ;
USAGE v = DEREF_name ( HEAD_list ( q ) ) ;
USAGE w = DEREF_name ( HEAD_list ( r ) ) ;
string s = DEREF_string ( name_id ( u ) ) ;
string t = DEREF_string ( name_id ( v ) ) ;
if ( !EQ_name ( v, w ) ) {
fprintf_v ( f, "#ifndef %sALTERNATE\n", pre ) ;
}
fprintf_v ( f, "{ \"%s\", %sVALUE_%s },\n", s, pre_comp, t ) ;
if ( !EQ_name ( v, w ) ) {
t = DEREF_string ( name_id ( w ) ) ;
fprintf_v ( f, "#else\n" ) ;
fprintf_v ( f, "{ \"%s\", %sVALUE_%s },\n", s, pre_comp, t ) ;
fprintf_v ( f, "#endif\n" ) ;
}
r = TAIL_list ( r ) ;
q = TAIL_list ( q ) ;
p = TAIL_list ( p ) ;
}
return ;
}
/*
OUTPUT ALL INFORMATION
This routine outputs all the information gained into the file nm using
the action indicated by act. If nm is the null string then the standard
output is used.
*/
void output_all
PROTO_N ( ( nm, act ) )
PROTO_T ( char *nm X int act )
{
/* Open output file */
FILE *f ;
if ( nm == NULL || streq ( nm, "-" ) ) {
f = stdout ;
nm = NULL ;
} else {
f = fopen ( nm, "w" ) ;
if ( f == NULL ) {
error ( ERROR_SERIOUS, "Can't open output file, '%s'", nm ) ;
return ;
}
}
/* Print header comment */
if ( first_comment ) fprintf_v ( f, "%s\n\n", first_comment ) ;
fprintf_v ( f, "/* AUTOMATICALLY GENERATED BY %s FROM %s */\n\n\n",
progname, db_name ) ;
/* Print appropriate information */
switch ( act ) {
case 0 : output_decl ( f ) ; break ;
case 1 : output_defn ( f ) ; break ;
case 2 : output_number ( f ) ; break ;
case 3 : output_usage ( f ) ; break ;
}
/* Close output file */
if ( nm != NULL ) fclose_v ( f ) ;
return ;
}