mirror of http://shamusworld.gotdns.org/git/rmac
193 lines
3.3 KiB
C
193 lines
3.3 KiB
C
//
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// RMAC - Reboot's Macro Assembler for all Atari computers
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// ERROR.C - Error Handling
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// Copyright (C) 199x Landon Dyer, 2011-2019 Reboot and Friends
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// RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986
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// Source utilised with the kind permission of Landon Dyer
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//
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#include "error.h"
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#include <stdarg.h>
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#include "listing.h"
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#include "token.h"
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int errcnt; // Error count
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char * err_fname; // Name of error message file
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static long unused; // For supressing 'write' warnings
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//
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// Report error if not at EOL
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// N.B.: Since this should *never* happen, we can feel free to add whatever
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// diagnostics that will help in tracking down a problem to this function.
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//
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int at_eol(void)
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{
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if (*tok != EOL)
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{
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error("syntax error. expected EOL, found $%X ('%c')", *tok, *tok);
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printf("Token = ");
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DumpToken(*tok);
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printf("\n");
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DumpTokenBuffer();
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}
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return 0;
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}
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//
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// Cannot create a file
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//
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void cantcreat(const char * fn)
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{
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printf("cannot create: '%s'\n", fn);
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exit(1);
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}
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//
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// Setup for error message
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// o Create error listing file (if necessary)
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// o Set current filename
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//
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void err_setup(void)
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{
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char fnbuf[FNSIZ];
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if (err_fname != NULL)
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{
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strcpy(fnbuf, err_fname);
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if (*fnbuf == EOS)
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strcpy(fnbuf, firstfname);
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err_fname = NULL;
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if ((err_fd = open(fnbuf, _OPEN_FLAGS, _PERM_MODE)) < 0)
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cantcreat(fnbuf);
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err_flag = 1;
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}
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}
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//
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// Display error message (uses printf() style variable arguments)
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//
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int error(const char * text, ...)
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{
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char buf[EBUFSIZ];
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char buf1[EBUFSIZ];
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err_setup();
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va_list arg;
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va_start(arg, text);
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vsprintf(buf, text, arg);
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va_end(arg);
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if (listing > 0)
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ship_ln(buf);
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if (cur_inobj)
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{
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switch (cur_inobj->in_type)
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{
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case SRC_IFILE:
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sprintf(buf1, "%s %d: Error: %s\n", curfname, curlineno, buf);
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break;
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case SRC_IMACRO:
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sprintf(buf1, "%s %d: Error: %s\n", curfname, cur_inobj->inobj.imacro->im_macro->lineList->lineno, buf);
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break;
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case SRC_IREPT:
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sprintf(buf1, "%s %d: Error: %s\n", curfname, cur_inobj->inobj.irept->lineno, buf);
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break;
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}
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}
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else
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// No current file so cur_inobj is NULL
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sprintf(buf1, "%s %d: Error: %s\n", curfname, curlineno, buf);
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if (err_flag)
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unused = write(err_fd, buf1, (LONG)strlen(buf1));
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else
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printf("%s", buf1);
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taglist('E');
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errcnt++;
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return ERROR;
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}
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//
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// Display warning message (uses printf() style variable arguments)
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//
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int warn(const char * text, ...)
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{
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char buf[EBUFSIZ];
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char buf1[EBUFSIZ];
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err_setup();
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va_list arg;
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va_start(arg, text);
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vsprintf(buf, text, arg);
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va_end(arg);
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if (listing > 0)
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ship_ln(buf);
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sprintf(buf1, "%s %d: Warning: %s\n", curfname, curlineno, buf);
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if (err_flag)
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unused = write(err_fd, buf1, (LONG)strlen(buf1));
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else
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printf("%s", buf1);
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taglist('W');
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return OK;
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}
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int fatal(const char * s)
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{
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char buf[EBUFSIZ];
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err_setup();
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if (listing > 0)
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ship_ln(s);
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sprintf(buf, "%s %d: Fatal: %s\n", curfname, curlineno, s);
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if (err_flag)
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unused = write(err_fd, buf, (LONG)strlen(buf));
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else
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printf("%s", buf);
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exit(1);
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}
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int interror(int n)
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{
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char buf[EBUFSIZ];
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err_setup();
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sprintf(buf, "%s %d: Internal error #%d\n", curfname, curlineno, n);
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if (listing > 0)
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ship_ln(buf);
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if (err_flag)
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unused = write(err_fd, buf, (LONG)strlen(buf));
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else
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printf("%s", buf);
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exit(1);
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}
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