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/*
* Compiler error handler
* Copyright
* (C) 1992 Joseph H. Allen
*
* This file is part of JOE (Joe's Own Editor)
*/
#include "types.h"
/* Error database */
typedef struct error ERROR;
struct error {
LINK(ERROR) link; /* Linked list of errors */
long line; /* Target line number */
long org; /* Original target line number */
unsigned char *file; /* Target file name */
long src; /* Error-file line number */
unsigned char *msg; /* The message */
} errors = { { &errors, &errors} };
ERROR *errptr = &errors; /* Current error row */
B *errbuf = NULL; /* Buffer with error messages */
/* Function which allows stepping through all error buffers,
for multi-file search and replace. Give it a buffer. It finds next
buffer in error list. Look at 'berror' for error information. */
/* This is made to work like bafter: it does not increment refcount of buffer */
B *beafter(B *b)
{
struct error *e;
unsigned char *name = b->name;
if (!name) name = USTR "";
for (e = errors.link.next; e != &errors; e = e->link.next)
if (!zcmp(name, e->file))
break;
if (e == &errors) {
/* Given buffer is not in list? Return first buffer in list. */
e = errors.link.next;
}
while (e != &errors && !zcmp(name, e->file))
e = e->link.next;
berror = 0;
if (e != &errors) {
B *b = bfind(e->file);
/* bfind bumps refcount, so we have to unbump it */
if (b->count == 1)
b->orphan = 1; /* Oops */
else
--b->count;
return b;
}
return 0;
}
/* Insert and delete notices */
void inserr(unsigned char *name, long int where, long int n, int bol)
{
ERROR *e;
if (!n)
return;
if (name) {
for (e = errors.link.next; e != &errors; e = e->link.next) {
if (!zcmp(e->file, name)) {
if (e->line > where)
e->line += n;
else if (e->line == where && bol)
e->line += n;
}
}
}
}
void delerr(unsigned char *name, long int where, long int n)
{
ERROR *e;
if (!n)
return;
if (name) {
for (e = errors.link.next; e != &errors; e = e->link.next) {
if (!zcmp(e->file, name)) {
if (e->line > where + n)
e->line -= n;
else if (e->line > where)
e->line = where;
}
}
}
}
/* Abort notice */
void abrerr(unsigned char *name)
{
ERROR *e;
if (name)
for (e = errors.link.next; e != &errors; e = e->link.next)
if (!zcmp(e->file, name))
e->line = e->org;
}
/* Save notice */
void saverr(unsigned char *name)
{
ERROR *e;
if (name)
for (e = errors.link.next; e != &errors; e = e->link.next)
if (!zcmp(e->file, name))
e->org = e->line;
}
/* Pool of free error nodes */
ERROR errnodes = { {&errnodes, &errnodes} };
/* Free an error node */
static void freeerr(ERROR *n)
{
vsrm(n->file);
vsrm(n->msg);
enquef(ERROR, link, &errnodes, n);
}
/* Free all errors */
static void freeall(void)
{
while (!qempty(ERROR, link, &errors))
freeerr(deque_f(ERROR, link, errors.link.next));
errptr = &errors;
}
/* Parse error messages into database */
/* From joe's joe 2.9 */
/* First word (allowing ., /, _ and -) with a . is the file name. Next number
is line number. Then there should be a ':' */
static void parseone(struct charmap *map,unsigned char *s,unsigned char **rtn_name,long *rtn_line)
{
int x, y, flg;
unsigned char *name = NULL;
long line = -1;
y=0;
flg=0;
do {
/* Skip to first word */
for (x = y; s[x] && !(joe_isalnum_(map,s[x]) || s[x] == '.' || s[x] == '/'); ++x) ;
/* Skip to end of first word */
for (y = x; joe_isalnum_(map,s[y]) || s[y] == '.' || s[y] == '/' || s[y]=='-'; ++y)
if (s[y] == '.')
flg = 1;
} while (!flg && x!=y);
/* Save file name */
if (x != y)
name = vsncpy(NULL, 0, s + x, y - x);
/* Skip to first number */
for (x = y; s[x] && (s[x] < '0' || s[x] > '9'); ++x) ;
/* Skip to end of first number */
for (y = x; s[y] >= '0' && s[y] <= '9'; ++y) ;
/* Save line number */
if (x != y)
sscanf((char *)(s + x), "%ld", &line);
if (line != -1)
--line;
/* Look for ':' */
flg = 0;
while (s[y]) {
/* Allow : anywhere on line: works for MIPS C compiler */
/*
for (y = 0; s[y];)
*/
if (s[y]==':') {
flg = 1;
break;
}
++y;
}
if (!flg)
line = -1;
*rtn_name = name;
*rtn_line = line;
}
/* Parser for file name lists from grep, find and ls.
*
* filename
* filename:*
* filename:line-number:*
*/
void parseone_grep(struct charmap *map,unsigned char *s,unsigned char **rtn_name,long *rtn_line)
{
int y;
unsigned char *name = NULL;
long line = -1;
/* Skip to first : or end of line */
for (y = 0;s[y] && s[y] != ':';++y);
if (y) {
/* This should be the file name */
name = vsncpy(NULL,0,s,y);
line = 0;
if (s[y] == ':') {
/* Maybe there's a line number */
++y;
while (s[y] >= '0' && s[y] <= '9')
line = line * 10 + (s[y++] - '0');
--line;
if (line < 0 || s[y] != ':') {
/* Line number is only valid if there's a second : */
line = 0;
}
}
}
*rtn_name = name;
*rtn_line = line;
}
static int parseit(struct charmap *map,unsigned char *s, long int row,
void (*parseone)(struct charmap *map, unsigned char *s, unsigned char **rtn_name, long *rtn_line))
{
unsigned char *name = NULL;
long line = -1;
ERROR *err;
parseone(map,s,&name,&line);
if (name) {
if (line != -1) {
/* We have an error */
err = (ERROR *) alitem(&errnodes, sizeof(ERROR));
err->file = name;
err->org = err->line = line;
err->src = row;
err->msg = vsncpy(NULL, 0, sc("\\i"));
err->msg = vsncpy(sv(err->msg), sv(s));
enqueb(ERROR, link, &errors, err);
return 1;
} else
vsrm(name);
}
return 0;
}
/* Parse the error output contained in a buffer */
static long parserr(B *b)
{
P *p = pdup(b->bof, USTR "parserr");
P *q = pdup(p, USTR "parserr");
long nerrs = 0;
freeall();
do {
unsigned char *s;
pset(q, p);
p_goto_eol(p);
s = brvs(q, (int) (p->byte - q->byte));
if (s) {
nerrs += parseit(b->o.charmap, s, q->line, (b->parseone ? b->parseone : parseone));
vsrm(s);
}
} while (pgetc(p) != NO_MORE_DATA);
prm(p);
prm(q);
return nerrs;
}
BW *find_a_good_bw(B *b)
{
W *w;
BW *bw = 0;
/* Find lowest window with buffer */
if ((w = maint->topwin) != NULL) {
do {
if ((w->watom->what&TYPETW) && ((BW *)w->object)->b==b && w->y>=0)
bw = (BW *)w->object;
w = w->link.next;
} while (w != maint->topwin);
}
if (bw)
return bw;
/* Otherwise just find lowest window */
if ((w = maint->topwin) != NULL) {
do {
if ((w->watom->what&TYPETW) && w->y>=0)
bw = (BW *)w->object;
w = w->link.next;
} while (w != maint->topwin);
}
return bw;
}
int parserrb(B *b)
{
BW *bw;
int n;
errbuf = b;
freeall();
n = parserr(b);
bw = find_a_good_bw(b);
if (n)
joe_snprintf_1(msgbuf, JOE_MSGBUFSIZE, joe_gettext(_("%d messages found")), n);
else
joe_snprintf_0(msgbuf, JOE_MSGBUFSIZE, joe_gettext(_("No messages found")));
msgnw(bw->parent, msgbuf);
return 0;
}
int uparserr(BW *bw)
{
int n;
errbuf = bw->b;
freeall();
n = parserr(bw->b);
if (n)
joe_snprintf_1(msgbuf, JOE_MSGBUFSIZE, joe_gettext(_("%d messages found")), n);
else
joe_snprintf_0(msgbuf, JOE_MSGBUFSIZE, joe_gettext(_("No messages found")));
msgnw(bw->parent, msgbuf);
return 0;
}
int jump_to_file_line(BW *bw,unsigned char *file,int line,unsigned char *msg)
{
int omid;
if (!bw->b->name || zcmp(file, bw->b->name)) {
if (doswitch(bw, vsdup(file), NULL, NULL))
return -1;
bw = (BW *) maint->curwin->object;
}
omid = mid;
mid = 1;
pline(bw->cursor, line);
dofollows();
mid = omid;
bw->cursor->xcol = piscol(bw->cursor);
msgnw(bw->parent, msg);
return 0;
}
/* Show current message */
int ucurrent_msg(BW *bw)
{
if (errptr != &errors) {
msgnw(bw->parent, errptr->msg);
return 0;
} else {
msgnw(bw->parent, joe_gettext(_("No messages")));
return -1;
}
}
/* Find line in error database: return pointer to message */
ERROR *srcherr(BW *bw,unsigned char *file,long line)
{
ERROR *p;
for (p = errors.link.next; p != &errors; p=p->link.next)
if (!zcmp(p->file,file) && p->org == line) {
errptr = p;
setline(errbuf, errptr->src);
return errptr;
}
return 0;
}
/* Delete ansi formatting */
void kill_ansi(unsigned char *s)
{
unsigned char *d = s;
while (*s)
if (*s == 27) {
while (*s && (*s == 27 || *s == '[' || *s >= '0' && *s <= '9' || *s == ';'))
++s;
if (*s)
++s;
} else
*d++ = *s++;
*d = 0;
}
int ujump(BW *bw)
{
int rtn = -1;
P *p = pdup(bw->cursor, USTR "ujump");
P *q = pdup(p, USTR "ujump");
unsigned char *s;
p_goto_bol(p);
p_goto_eol(q);
s = brvs(p, (int) (q->byte - p->byte));
kill_ansi(s);
prm(p);
prm(q);
if (s) {
unsigned char *name = NULL;
long line = -1;
if (bw->b->parseone)
bw->b->parseone(bw->b->o.charmap,s,&name,&line);
else
parseone_grep(bw->b->o.charmap,s,&name,&line);
if (name && line != -1) {
ERROR *p = srcherr(bw, name, line);
uprevw((BASE *)bw);
/* Check that we made it to a tw */
if (p)
rtn = jump_to_file_line(maint->curwin->object,name,p->line,NULL /* p->msg */);
else
rtn = jump_to_file_line(maint->curwin->object,name,line,NULL);
vsrm(name);
}
vsrm(s);
}
return rtn;
}
int unxterr(BW *bw)
{
if (errptr->link.next == &errors) {
msgnw(bw->parent, joe_gettext(_("No more errors")));
return -1;
}
errptr = errptr->link.next;
setline(errbuf, errptr->src);
return jump_to_file_line(bw,errptr->file,errptr->line,NULL /* errptr->msg */);
}
int uprverr(BW *bw)
{
if (errptr->link.prev == &errors) {
msgnw(bw->parent, joe_gettext(_("No more errors")));
return -1;
}
errptr = errptr->link.prev;
setline(errbuf, errptr->src);
return jump_to_file_line(bw,errptr->file,errptr->line,NULL /* errptr->msg */);
}