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/* assubr.c */
/*
* Copyright (C) 1989-2010 Alan R. Baldwin
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*
* Alan R. Baldwin
* 721 Berkeley St.
* Kent, Ohio 44240
*/
#include "sdas.h"
#include "asxxxx.h"
/*)Module assubr.c
*
* The module assubr.c contains the error
* processing routines.
*
* assubr.c contains the following functions:
* VOID aerr()
* VOID diag()
* VOID err()
* VOID qerr()
* VOID rerr()
* char * geterr()
*
* assubr.c contains the local array of *error[]
*/
/*)Function VOID err(c)
*
* int c error type character
*
* The function err() logs the error code character
* suppressing duplicate errors. If the error code
* is 'q' then the parse of the current assembler-source
* text line is terminated.
*
* local variables:
* char * p pointer to the error array
*
* global variables:
* int aserr error counter
* char eb[] array of generated error codes
*
* functions called:
* VOID longjmp() c_library
*
* side effects:
* The error code may be inserted into the
* error code array eb[] or the parse terminated.
*/
VOID
err(int c)
{
char *p;
aserr++;
p = eb;
while (p < ep)
if (*p++ == c)
return;
if (p < &eb[NERR]) {
*p++ = c;
ep = p;
}
if (c == 'q')
longjmp(jump_env, -1);
}
/*)Function VOID diag()
*
* The function diag() prints any error codes and
* the source line number to the stderr output device.
*
* local variables:
* char * p pointer to error code array eb[]
*
* global variables:
* char eb[] array of generated error codes
* char * ep pointer into error list
* int incline include file line number
* char afn[] afile() constructed filespec
* FILE * stderr c_library
*
* functions called:
* int fprintf() c_library
* char * geterr() assubr.c
* int getlnm() assubr.c
*
* side effects:
* none
*/
VOID
diag()
{
char *p,*errstr;
if (eb != ep) {
p = eb;
if (!is_sdas()) {
fprintf(stderr, "?ASxxxx-Error-<");
while (p < ep) {
fprintf(stderr, "%c", *p++);
}
fprintf(stderr, "> in line ");
fprintf(stderr, "%d", getlnm());
fprintf(stderr, " of %s\n", afn);
p = eb;
}
while (p < ep) {
if ((errstr = geterr(*p++)) != NULL) {
if (!is_sdas()) {
fprintf(stderr, " %s\n", errstr);
} else {
/* Modified to conform to gcc error standard, M. Hope, 7 Feb 98. */
fprintf(stderr, "%s:", afn);
fprintf(stderr, "%d: Error:", getlnm());
fprintf(stderr, " %s\n", errstr);
}
}
}
}
}
/* sdas specific */
/*)Function VOID warnBanner()
*
* The function warnBanner() prints a generic warning message
* header (including the current source file/line) and positions
* the output for a more specific warning message.
*
* It is assumed that the call to warnBanner will be followed with
* a fprintf to stderr (or equivalent) with the specific warning
* text.
*
* local variables:
* none
*
* global variables:
* char afn[] afile() constructed filespec
* FILE * stderr c_library
*
* functions called:
* int fprintf() c_library
* int getlnm() assubr.c
*
* side effects:
* none
*/
VOID
warnBanner(void)
{
fprintf(stderr, "?ASxxxx-Warning in line ");
fprintf(stderr, "%d", getlnm());
fprintf(stderr, " of %s\n", afn);
fprintf(stderr, " ");
}
/* end sdas specific */
/*)Functions: VOID aerr()
* VOID qerr()
* VOID rerr()
*
* The functions aerr(), qerr(), and rerr() report their
* respective error type. These are included only for
* convenience.
*
* local variables:
* none
*
* global variables:
* none
*
* functions called:
* VOID err() assubr.c
*
* side effects:
* The appropriate error code is inserted into the
* error array and the parse may be terminated.
*/
/*
* Note an 'r' error.
*/
VOID
rerr()
{
err('r');
}
/*
* Note an 'a' error.
*/
VOID
aerr()
{
err('a');
}
/*
* Note a 'q' error.
*/
VOID
qerr()
{
err('q');
}
/*
* ASxxxx assembler errors
*/
char *errors[] = {
"<.> use \". = . + <arg>\" not \". = <arg>\"",
"<a> machine specific addressing or addressing mode error",
"<b> direct page boundary error",
"<d> direct page addressing error",
"<i> .include file error or an .if/.endif mismatch",
"<m> multiple definitions error",
"<o> .org in REL area or directive / mnemonic error",
"<p> phase error: label location changing between passes 2 and 3",
"<q> missing or improper operators, terminators, or delimiters",
"<r> relocation error",
"<u> undefined symbol encountered during assembly",
NULL
};
/*)Function: char *geterr(c)
*
* int c the error code character
*
* The function geterr() scans the list of errors returning the
* error string corresponding to the input error character.
*
* local variables:
* int i error index counter
*
* global variables:
* char *errors[] array of pointers to the
* error strings
* char erb[] Error string buffer
*
* functions called:
* none
*
* side effects:
* A pointer to the appropriate
* error code string is returned.
*/
char *
geterr(c)
int c;
{
int i;
for (i=0; errors[i]!=NULL; i++) {
if (c == errors[i][1]) {
return(errors[i]);
}
}
sprintf(erb, "<e> %.*s", (int) (sizeof(erb)-5), ib);
return(erb);
}
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