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- /* vi:ts=4:sw=4
- *
- * VIM - Vi IMproved
- *
- * Code Contributions By: Bram Moolenaar mool@oce.nl
- * Tim Thompson twitch!tjt
- * Tony Andrews onecom!wldrdg!tony
- * G. R. (Fred) Walter watmath!watcgl!grwalter
- */
-
- /*
- * quickfix.c: functions for quickfix mode, using a file with error messages
- */
-
- #include "vim.h"
- #include "globals.h"
- #include "proto.h"
- #include "param.h"
-
- static void qf_free __ARGS((void));
- static char *qf_types __ARGS((int, int));
-
- /*
- * for each error the next struct is allocated and linked in a list
- */
- struct qf_line
- {
- struct qf_line *qf_next; /* pointer to next error in the list */
- struct qf_line *qf_prev; /* pointer to previous error in the list */
- linenr_t qf_lnum; /* line number where the error occurred */
- char *qf_mark; /* pointer to that line (if != NULL) */
- int qf_col; /* column where the error occurred */
- int qf_nr; /* error number */
- char *qf_fname; /* file name where the error occurred */
- char *qf_text; /* description of the error */
- char qf_cleared;/* set to TRUE if qf_mark has been cleared */
- char qf_type; /* type of the error (mostly 'E') */
- char qf_valid; /* valid error message detected */
- };
-
- static struct qf_line *qf_start; /* pointer to the first error */
- static struct qf_line *qf_ptr; /* pointer to the current error */
-
- static int qf_count = 0; /* number of errors (0 means no error list) */
- static int qf_index; /* current index in the error list */
- static int qf_nonevalid; /* set to TRUE if not a single valid entry found */
- static int qf_marksset; /* set to 1 when qf_mark-s have been set */
-
- /*
- * Read the errorfile into memory, line by line, building the error list.
- * Return 1 for error, 0 for success.
- */
- int
- qf_init()
- {
- char namebuf[CMDBUFFSIZE + 1];
- char errmsg[CMDBUFFSIZE + 1];
- int col;
- char type;
- char valid;
- long lnum;
- int enr;
- FILE *fd;
- struct qf_line *qfp = NULL;
- struct qf_line *qfprev = NULL; /* init to make SASC shut up */
- char *pfmt, *fmtstr;
- #ifdef UTS2
- char *(adr[7]);
- #else
- void *(adr[7]);
- #endif
- int adr_cnt = 0;
- int maxlen;
- int i;
-
- if (p_ef == NULL || *p_ef == NUL)
- {
- emsg(e_errorf);
- return 1;
- }
- if ((fd = fopen(p_ef, "r")) == NULL)
- {
- emsg(e_openerrf);
- return 1;
- }
- qf_free();
- qf_index = 0;
- for (i = 0; i < 7; ++i)
- adr[i] = NULL;
-
- /*
- * The format string is copied and modified from p_efm to fmtstr.
- * Only a few % characters are allowed.
- */
- /* get some space to modify the format string into */
- /* must be able to do the largest expansion 7 times (7 x 3) */
- maxlen = strlen(p_efm) + 25;
- fmtstr = (char *)alloc(maxlen);
- if (fmtstr == NULL)
- goto error2;
- for (pfmt = p_efm, i = 0; *pfmt; ++pfmt, ++i)
- {
- if (pfmt[0] != '%') /* copy normal character */
- fmtstr[i] = pfmt[0];
- else
- {
- fmtstr[i++] = '%';
- switch (pfmt[1])
- {
- case 'f': /* filename */
- adr[adr_cnt++] = namebuf;
-
- case 'm': /* message */
- if (pfmt[1] == 'm')
- adr[adr_cnt++] = errmsg;
- fmtstr[i++] = '[';
- fmtstr[i++] = '^';
- if (pfmt[2])
- fmtstr[i++] = pfmt[2];
- else
- #ifdef MSDOS
- fmtstr[i++] = '\r';
- #else
- fmtstr[i++] = '\n';
- #endif
- fmtstr[i] = ']';
- break;
- case 'c': /* column */
- adr[adr_cnt++] = &col;
- fmtstr[i] = 'd';
- break;
- case 'l': /* line */
- adr[adr_cnt++] = &lnum;
- fmtstr[i++] = 'l';
- fmtstr[i] = 'd';
- break;
- case 'n': /* error number */
- adr[adr_cnt++] = &enr;
- fmtstr[i] = 'd';
- break;
- case 't': /* error type */
- adr[adr_cnt++] = &type;
- fmtstr[i] = 'c';
- break;
- case '%': /* %% */
- case '*': /* %*: no assignment */
- fmtstr[i] = pfmt[1];
- break;
- default:
- emsg("invalid % in format string");
- goto error2;
- }
- if (adr_cnt == 7)
- {
- emsg("too many % in format string");
- goto error2;
- }
- ++pfmt;
- }
- if (i >= maxlen - 6)
- {
- emsg("invalid format string");
- goto error2;
- }
- }
- fmtstr[i] = NUL;
-
- while (fgets(IObuff, CMDBUFFSIZE, fd) != NULL)
- {
- if ((qfp = (struct qf_line *)alloc((unsigned)sizeof(struct qf_line))) == NULL)
- goto error2;
-
- IObuff[CMDBUFFSIZE] = NUL; /* for very long lines */
- namebuf[0] = NUL;
- errmsg[0] = NUL;
- lnum = 0;
- col = 0;
- enr = -1;
- type = 0;
- valid = TRUE;
-
- if (sscanf(IObuff, fmtstr, adr[0], adr[1], adr[2], adr[3],
- adr[4], adr[5]) != adr_cnt)
- {
- namebuf[0] = NUL; /* something failed, remove file name */
- valid = FALSE;
- strcpy(errmsg, IObuff); /* copy whole line to error message */
- if ((pfmt = strrchr(errmsg, '\n')) != NULL)
- *pfmt = NUL;
- #ifdef MSDOS
- if ((pfmt = strrchr(errmsg, '\r')) != NULL)
- *pfmt = NUL;
- #endif
- }
-
- if ((qfp->qf_fname = strsave(namebuf)) == NULL)
- goto error1;
- if ((qfp->qf_text = strsave(errmsg)) == NULL)
- {
- free(qfp->qf_fname);
- goto error1;
- }
- qfp->qf_lnum = lnum;
- qfp->qf_col = col;
- qfp->qf_nr = enr;
- qfp->qf_type = type;
- qfp->qf_valid = valid;
-
- if (qf_count == 0) /* first element in the list */
- {
- qf_start = qfp;
- qfp->qf_prev = qfp; /* first element points to itself */
- }
- else
- {
- qfp->qf_prev = qfprev;
- qfprev->qf_next = qfp;
- }
- qfp->qf_next = qfp; /* last element points to itself */
- qfp->qf_mark = NULL;
- qfp->qf_cleared = FALSE;
- qfprev = qfp;
- ++qf_count;
- if (qf_index == 0 && qfp->qf_valid) /* first valid entry */
- {
- qf_index = qf_count;
- qf_ptr = qfp;
- }
- }
- free(fmtstr);
- if (!ferror(fd))
- {
- if (qf_index == 0) /* no valid entry found */
- {
- qf_ptr = qf_start;
- qf_index = 1;
- qf_nonevalid = TRUE;
- }
- else
- qf_nonevalid = FALSE;
- fclose(fd);
- qf_jump(0); /* display first error */
- return 0;
- }
- emsg(e_readerrf);
- error1:
- free(qfp);
- error2:
- fclose(fd);
- qf_free();
- return 1;
- }
-
- /*
- * jump to quickfix line "errornr"; if "errornr" is zero, redisplay the same line
- */
- void
- qf_jump(errornr)
- int errornr;
- {
- struct qf_line *qfp;
- linenr_t i;
- char *msgp;
-
- if (qf_count == 0)
- {
- emsg(e_quickfix);
- return;
- }
-
- if (errornr == -1) /* next valid entry */
- {
- do
- {
- if (qf_index == qf_count)
- break;
- ++qf_index;
- qf_ptr = qf_ptr->qf_next;
- } while (!qf_nonevalid && !qf_ptr->qf_valid);
- }
- else if (errornr == -2) /* previous valid entry */
- {
- do
- {
- if (qf_index == 1)
- break;
- --qf_index;
- qf_ptr = qf_ptr->qf_prev;
- } while (!qf_nonevalid && !qf_ptr->qf_valid);
- }
- else if (errornr != 0) /* go to specified number */
- {
- while (errornr < qf_index && qf_index > 1)
- {
- --qf_index;
- qf_ptr = qf_ptr->qf_prev;
- }
- while (errornr > qf_index && qf_index < qf_count)
- {
- ++qf_index;
- qf_ptr = qf_ptr->qf_next;
- }
- }
-
- /*
- * If there is a file name,
- * read the wanted file if needed, and check autowrite etc.
- */
- if (qf_ptr->qf_fname[0] == NUL || getfile(qf_ptr->qf_fname, NULL, TRUE) <= 0)
- {
- /*
- * Use mark if possible, because the line number may be invalid
- * after line inserts / deletes.
- * If qf_lnum is 0, stay on the same line.
- */
- i = 0;
- msgp = "";
- if ((qf_ptr->qf_mark != NULL && (i = ptr2nr(qf_ptr->qf_mark, (linenr_t)0)) == 0) || qf_ptr->qf_cleared)
- msgp = "(line changed) ";
- if (i == 0)
- i = qf_ptr->qf_lnum;
- if (i > line_count)
- i = line_count;
- if (i > 0)
- Curpos.lnum = i;
- Curpos.col = qf_ptr->qf_col;
- adjustCurpos();
- cursupdate();
- smsg("(%d of %d) %s%s: %s", qf_index, qf_count, msgp,
- qf_types(qf_ptr->qf_type, qf_ptr->qf_nr), qf_ptr->qf_text);
-
- if (!qf_marksset) /* marks not set yet: try to find them for
- the errors in the curren file */
- {
- for (i = 0, qfp = qf_start; i < qf_count; ++i, qfp = qfp->qf_next)
- if (qfp->qf_fname != NUL && strcmp(qfp->qf_fname, qf_ptr->qf_fname) == 0 && qfp->qf_lnum <= line_count && qfp->qf_lnum > 0)
- qfp->qf_mark = nr2ptr(qfp->qf_lnum);
- qf_marksset = 1;
- }
- }
- }
-
- /*
- * list all errors
- */
- void
- qf_list()
- {
- struct qf_line *qfp;
- int i;
-
- if (qf_count == 0)
- {
- emsg(e_quickfix);
- return;
- }
- qfp = qf_start;
- gotocmdline(TRUE, NUL);
- #ifdef AMIGA
- settmode(0); /* set cooked mode so output can be halted */
- #endif
- for (i = 1; i <= qf_count; ++i)
- {
- sprintf(IObuff, "%2d line %3ld col %2d %s: %s",
- i,
- (long)qfp->qf_lnum,
- qfp->qf_col,
- qf_types(qfp->qf_type, qfp->qf_nr),
- qfp->qf_text);
- outstr(IObuff);
- outchar('\n');
- qfp = qfp->qf_next;
- flushbuf();
- }
- #ifdef AMIGA
- settmode(1);
- #endif
- wait_return(TRUE);
- }
-
- /*
- * free the error list
- */
- static void
- qf_free()
- {
- struct qf_line *qfp;
-
- while (qf_count)
- {
- qfp = qf_start->qf_next;
- free(qf_start->qf_fname);
- free(qf_start->qf_text);
- free(qf_start);
- qf_start = qfp;
- --qf_count;
- }
- qf_marksset = 0;
- }
-
- /*
- * qf_clrallmarks() - clear all marks
- *
- * Used mainly when trashing the entire buffer during ":e" type commands
- */
- void
- qf_clrallmarks()
- {
- int i;
- struct qf_line *qfp;
-
- if (qf_count)
- for (i = 0, qfp = qf_start; i < qf_count; i++, qfp = qfp->qf_next)
- qfp->qf_mark = NULL;
- qf_marksset = 0;
- }
-
- /*
- * qf_adjustmark: set new ptr for a mark
- */
- void
- qf_adjustmark(old, new)
- char *old, *new;
- {
- register int i;
- struct qf_line *qfp;
-
- if (qf_count)
- {
- for (i = 0, qfp = qf_start; i < qf_count; ++i, qfp = qfp->qf_next)
- if (qfp->qf_mark == old)
- {
- qfp->qf_mark = new;
- if (new == NULL)
- qfp->qf_cleared = TRUE;
- }
- }
- }
-
- /*
- * Make a nice message out of the error character and the error number:
- * char number message
- * e or E 0 " Error"
- * w or W 0 "Warning"
- * other 0 ""
- * w or W n "Warning n"
- * other n " Error n"
- */
- static char *
- qf_types(c, nr)
- int c, nr;
- {
- static char buf[20];
- char *p1;
-
- p1 = " Error";
- if (c == 'W' || c == 'w')
- p1 = "Warning";
- else if (nr <= 0 && c != 'E' && c != 'e')
- p1 = "";
-
- if (nr <= 0)
- return p1;
-
- sprintf(buf, "%s %3d", p1, nr);
- return buf;
- }
-