#include "vim.h"
#if defined(FEAT_EVAL) || defined(PROTO)
static int debug_greedy = FALSE; static void do_setdebugtracelevel(char_u *arg);
static void do_checkbacktracelevel(void);
static void do_showbacktrace(char_u *cmd);
static char_u *debug_oldval = NULL; static char_u *debug_newval = NULL;
static int debug_expr = 0;
int
has_watchexpr(void)
{
return debug_expr;
}
void
do_debug(char_u *cmd)
{
int save_msg_scroll = msg_scroll;
int save_State = State;
int save_did_emsg = did_emsg;
int save_cmd_silent = cmd_silent;
int save_msg_silent = msg_silent;
int save_emsg_silent = emsg_silent;
int save_redir_off = redir_off;
tasave_T typeaheadbuf;
int typeahead_saved = FALSE;
int save_ignore_script = 0;
int save_ex_normal_busy;
int n;
char_u *cmdline = NULL;
char_u *p;
char_u *sname;
char *tail = NULL;
static int last_cmd = 0;
#define CMD_CONT 1
#define CMD_NEXT 2
#define CMD_STEP 3
#define CMD_FINISH 4
#define CMD_QUIT 5
#define CMD_INTERRUPT 6
#define CMD_BACKTRACE 7
#define CMD_FRAME 8
#define CMD_UP 9
#define CMD_DOWN 10
#ifdef ALWAYS_USE_GUI
if (!gui.in_use)
{
debug_break_level = 9999;
return;
}
#endif
settmode(TMODE_RAW);
starttermcap();
++RedrawingDisabled; ++no_wait_return; did_emsg = FALSE; cmd_silent = FALSE; msg_silent = FALSE; emsg_silent = FALSE; redir_off = TRUE;
State = NORMAL;
debug_mode = TRUE;
if (!debug_did_msg)
msg(_("Entering Debug mode. Type \"cont\" to continue."));
if (debug_oldval != NULL)
{
smsg(_("Oldval = \"%s\""), debug_oldval);
vim_free(debug_oldval);
debug_oldval = NULL;
}
if (debug_newval != NULL)
{
smsg(_("Newval = \"%s\""), debug_newval);
vim_free(debug_newval);
debug_newval = NULL;
}
sname = estack_sfile();
if (sname != NULL)
msg((char *)sname);
vim_free(sname);
if (SOURCING_LNUM != 0)
smsg(_("line %ld: %s"), SOURCING_LNUM, cmd);
else
smsg(_("cmd: %s"), cmd);
for (;;)
{
msg_scroll = TRUE;
need_wait_return = FALSE;
save_ex_normal_busy = ex_normal_busy;
ex_normal_busy = 0;
if (!debug_greedy)
{
save_typeahead(&typeaheadbuf);
typeahead_saved = TRUE;
save_ignore_script = ignore_script;
ignore_script = TRUE;
}
vim_free(cmdline);
cmdline = getcmdline_prompt('>', NULL, 0, EXPAND_NOTHING, NULL);
if (typeahead_saved)
{
restore_typeahead(&typeaheadbuf);
ignore_script = save_ignore_script;
}
ex_normal_busy = save_ex_normal_busy;
cmdline_row = msg_row;
msg_starthere();
if (cmdline != NULL)
{
p = skipwhite(cmdline);
if (*p != NUL)
{
switch (*p)
{
case 'c': last_cmd = CMD_CONT;
tail = "ont";
break;
case 'n': last_cmd = CMD_NEXT;
tail = "ext";
break;
case 's': last_cmd = CMD_STEP;
tail = "tep";
break;
case 'f':
last_cmd = 0;
if (p[1] == 'r')
{
last_cmd = CMD_FRAME;
tail = "rame";
}
else
{
last_cmd = CMD_FINISH;
tail = "inish";
}
break;
case 'q': last_cmd = CMD_QUIT;
tail = "uit";
break;
case 'i': last_cmd = CMD_INTERRUPT;
tail = "nterrupt";
break;
case 'b': last_cmd = CMD_BACKTRACE;
if (p[1] == 't')
tail = "t";
else
tail = "acktrace";
break;
case 'w': last_cmd = CMD_BACKTRACE;
tail = "here";
break;
case 'u': last_cmd = CMD_UP;
tail = "p";
break;
case 'd': last_cmd = CMD_DOWN;
tail = "own";
break;
default: last_cmd = 0;
}
if (last_cmd != 0)
{
++p;
while (*p != NUL && *p == *tail)
{
++p;
++tail;
}
if (ASCII_ISALPHA(*p) && last_cmd != CMD_FRAME)
last_cmd = 0;
}
}
if (last_cmd != 0)
{
switch (last_cmd)
{
case CMD_CONT:
debug_break_level = -1;
break;
case CMD_NEXT:
debug_break_level = ex_nesting_level;
break;
case CMD_STEP:
debug_break_level = 9999;
break;
case CMD_FINISH:
debug_break_level = ex_nesting_level - 1;
break;
case CMD_QUIT:
got_int = TRUE;
debug_break_level = -1;
break;
case CMD_INTERRUPT:
got_int = TRUE;
debug_break_level = 9999;
last_cmd = CMD_STEP;
break;
case CMD_BACKTRACE:
do_showbacktrace(cmd);
continue;
case CMD_FRAME:
if (*p == NUL)
{
do_showbacktrace(cmd);
}
else
{
p = skipwhite(p);
do_setdebugtracelevel(p);
}
continue;
case CMD_UP:
debug_backtrace_level++;
do_checkbacktracelevel();
continue;
case CMD_DOWN:
debug_backtrace_level--;
do_checkbacktracelevel();
continue;
}
debug_backtrace_level = 0;
break;
}
n = debug_break_level;
debug_break_level = -1;
(void)do_cmdline(cmdline, getexline, NULL,
DOCMD_VERBOSE|DOCMD_EXCRESET);
debug_break_level = n;
}
lines_left = Rows - 1;
}
vim_free(cmdline);
--RedrawingDisabled;
--no_wait_return;
redraw_all_later(NOT_VALID);
need_wait_return = FALSE;
msg_scroll = save_msg_scroll;
lines_left = Rows - 1;
State = save_State;
debug_mode = FALSE;
did_emsg = save_did_emsg;
cmd_silent = save_cmd_silent;
msg_silent = save_msg_silent;
emsg_silent = save_emsg_silent;
redir_off = save_redir_off;
debug_did_msg = TRUE;
}
static int
get_maxbacktrace_level(char_u *sname)
{
char *p, *q;
int maxbacktrace = 0;
if (sname != NULL)
{
p = (char *)sname;
while ((q = strstr(p, "..")) != NULL)
{
p = q + 2;
maxbacktrace++;
}
}
return maxbacktrace;
}
static void
do_setdebugtracelevel(char_u *arg)
{
int level;
level = atoi((char *)arg);
if (*arg == '+' || level < 0)
debug_backtrace_level += level;
else
debug_backtrace_level = level;
do_checkbacktracelevel();
}
static void
do_checkbacktracelevel(void)
{
if (debug_backtrace_level < 0)
{
debug_backtrace_level = 0;
msg(_("frame is zero"));
}
else
{
char_u *sname = estack_sfile();
int max = get_maxbacktrace_level(sname);
if (debug_backtrace_level > max)
{
debug_backtrace_level = max;
smsg(_("frame at highest level: %d"), max);
}
vim_free(sname);
}
}
static void
do_showbacktrace(char_u *cmd)
{
char_u *sname;
char *cur;
char *next;
int i = 0;
int max;
sname = estack_sfile();
max = get_maxbacktrace_level(sname);
if (sname != NULL)
{
cur = (char *)sname;
while (!got_int)
{
next = strstr(cur, "..");
if (next != NULL)
*next = NUL;
if (i == max - debug_backtrace_level)
smsg("->%d %s", max - i, cur);
else
smsg(" %d %s", max - i, cur);
++i;
if (next == NULL)
break;
*next = '.';
cur = next + 2;
}
vim_free(sname);
}
if (SOURCING_LNUM != 0)
smsg(_("line %ld: %s"), (long)SOURCING_LNUM, cmd);
else
smsg(_("cmd: %s"), cmd);
}
void
ex_debug(exarg_T *eap)
{
int debug_break_level_save = debug_break_level;
debug_break_level = 9999;
do_cmdline_cmd(eap->arg);
debug_break_level = debug_break_level_save;
}
static char_u *debug_breakpoint_name = NULL;
static linenr_T debug_breakpoint_lnum;
static int debug_skipped;
static char_u *debug_skipped_name;
void
dbg_check_breakpoint(exarg_T *eap)
{
char_u *p;
debug_skipped = FALSE;
if (debug_breakpoint_name != NULL)
{
if (!eap->skip)
{
if (debug_breakpoint_name[0] == K_SPECIAL
&& debug_breakpoint_name[1] == KS_EXTRA
&& debug_breakpoint_name[2] == (int)KE_SNR)
p = (char_u *)"<SNR>";
else
p = (char_u *)"";
smsg(_("Breakpoint in \"%s%s\" line %ld"),
p,
debug_breakpoint_name + (*p == NUL ? 0 : 3),
(long)debug_breakpoint_lnum);
debug_breakpoint_name = NULL;
do_debug(eap->cmd);
}
else
{
debug_skipped = TRUE;
debug_skipped_name = debug_breakpoint_name;
debug_breakpoint_name = NULL;
}
}
else if (ex_nesting_level <= debug_break_level)
{
if (!eap->skip)
do_debug(eap->cmd);
else
{
debug_skipped = TRUE;
debug_skipped_name = NULL;
}
}
}
int
dbg_check_skipped(exarg_T *eap)
{
int prev_got_int;
if (debug_skipped)
{
prev_got_int = got_int;
got_int = FALSE;
debug_breakpoint_name = debug_skipped_name;
eap->skip = FALSE;
(void)dbg_check_breakpoint(eap);
eap->skip = TRUE;
got_int |= prev_got_int;
return TRUE;
}
return FALSE;
}
struct debuggy
{
int dbg_nr; int dbg_type; char_u *dbg_name; regprog_T *dbg_prog; linenr_T dbg_lnum; int dbg_forceit; #ifdef FEAT_EVAL
typval_T *dbg_val; #endif
int dbg_level; };
static garray_T dbg_breakp = {0, 0, sizeof(struct debuggy), 4, NULL};
#define BREAKP(idx) (((struct debuggy *)dbg_breakp.ga_data)[idx])
#define DEBUGGY(gap, idx) (((struct debuggy *)gap->ga_data)[idx])
static int last_breakp = 0;
#ifdef FEAT_PROFILE
static garray_T prof_ga = {0, 0, sizeof(struct debuggy), 4, NULL};
#endif
#define DBG_FUNC 1
#define DBG_FILE 2
#define DBG_EXPR 3
static linenr_T debuggy_find(int file,char_u *fname, linenr_T after, garray_T *gap, int *fp);
static int
dbg_parsearg(
char_u *arg,
garray_T *gap) {
char_u *p = arg;
char_u *q;
struct debuggy *bp;
int here = FALSE;
if (ga_grow(gap, 1) == FAIL)
return FAIL;
bp = &DEBUGGY(gap, gap->ga_len);
if (STRNCMP(p, "func", 4) == 0)
bp->dbg_type = DBG_FUNC;
else if (STRNCMP(p, "file", 4) == 0)
bp->dbg_type = DBG_FILE;
else if (
#ifdef FEAT_PROFILE
gap != &prof_ga &&
#endif
STRNCMP(p, "here", 4) == 0)
{
if (curbuf->b_ffname == NULL)
{
emsg(_(e_noname));
return FAIL;
}
bp->dbg_type = DBG_FILE;
here = TRUE;
}
else if (
#ifdef FEAT_PROFILE
gap != &prof_ga &&
#endif
STRNCMP(p, "expr", 4) == 0)
bp->dbg_type = DBG_EXPR;
else
{
semsg(_(e_invarg2), p);
return FAIL;
}
p = skipwhite(p + 4);
if (here)
bp->dbg_lnum = curwin->w_cursor.lnum;
else if (
#ifdef FEAT_PROFILE
gap != &prof_ga &&
#endif
VIM_ISDIGIT(*p))
{
bp->dbg_lnum = getdigits(&p);
p = skipwhite(p);
}
else
bp->dbg_lnum = 0;
if ((!here && *p == NUL)
|| (here && *p != NUL)
|| (bp->dbg_type == DBG_FUNC && strstr((char *)p, "()") != NULL))
{
semsg(_(e_invarg2), arg);
return FAIL;
}
if (bp->dbg_type == DBG_FUNC)
bp->dbg_name = vim_strsave(p);
else if (here)
bp->dbg_name = vim_strsave(curbuf->b_ffname);
else if (bp->dbg_type == DBG_EXPR)
{
bp->dbg_name = vim_strsave(p);
if (bp->dbg_name != NULL)
bp->dbg_val = eval_expr(bp->dbg_name, NULL);
}
else
{
q = expand_env_save(p);
if (q == NULL)
return FAIL;
p = expand_env_save(q);
vim_free(q);
if (p == NULL)
return FAIL;
if (*p != '*')
{
bp->dbg_name = fix_fname(p);
vim_free(p);
}
else
bp->dbg_name = p;
}
if (bp->dbg_name == NULL)
return FAIL;
return OK;
}
void
ex_breakadd(exarg_T *eap)
{
struct debuggy *bp;
char_u *pat;
garray_T *gap;
gap = &dbg_breakp;
#ifdef FEAT_PROFILE
if (eap->cmdidx == CMD_profile)
gap = &prof_ga;
#endif
if (dbg_parsearg(eap->arg, gap) == OK)
{
bp = &DEBUGGY(gap, gap->ga_len);
bp->dbg_forceit = eap->forceit;
if (bp->dbg_type != DBG_EXPR)
{
pat = file_pat_to_reg_pat(bp->dbg_name, NULL, NULL, FALSE);
if (pat != NULL)
{
bp->dbg_prog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
vim_free(pat);
}
if (pat == NULL || bp->dbg_prog == NULL)
vim_free(bp->dbg_name);
else
{
if (bp->dbg_lnum == 0) bp->dbg_lnum = 1;
#ifdef FEAT_PROFILE
if (eap->cmdidx != CMD_profile)
#endif
{
DEBUGGY(gap, gap->ga_len).dbg_nr = ++last_breakp;
++debug_tick;
}
++gap->ga_len;
}
}
else
{
DEBUGGY(gap, gap->ga_len++).dbg_nr = ++last_breakp;
++debug_tick;
}
}
}
void
ex_debuggreedy(exarg_T *eap)
{
if (eap->addr_count == 0 || eap->line2 != 0)
debug_greedy = TRUE;
else
debug_greedy = FALSE;
}
void
ex_breakdel(exarg_T *eap)
{
struct debuggy *bp, *bpi;
int nr;
int todel = -1;
int del_all = FALSE;
int i;
linenr_T best_lnum = 0;
garray_T *gap;
gap = &dbg_breakp;
if (eap->cmdidx == CMD_profdel)
{
#ifdef FEAT_PROFILE
gap = &prof_ga;
#else
ex_ni(eap);
return;
#endif
}
if (vim_isdigit(*eap->arg))
{
nr = atol((char *)eap->arg);
for (i = 0; i < gap->ga_len; ++i)
if (DEBUGGY(gap, i).dbg_nr == nr)
{
todel = i;
break;
}
}
else if (*eap->arg == '*')
{
todel = 0;
del_all = TRUE;
}
else
{
if (dbg_parsearg(eap->arg, gap) == FAIL)
return;
bp = &DEBUGGY(gap, gap->ga_len);
for (i = 0; i < gap->ga_len; ++i)
{
bpi = &DEBUGGY(gap, i);
if (bp->dbg_type == bpi->dbg_type
&& STRCMP(bp->dbg_name, bpi->dbg_name) == 0
&& (bp->dbg_lnum == bpi->dbg_lnum
|| (bp->dbg_lnum == 0
&& (best_lnum == 0
|| bpi->dbg_lnum < best_lnum))))
{
todel = i;
best_lnum = bpi->dbg_lnum;
}
}
vim_free(bp->dbg_name);
}
if (todel < 0)
semsg(_("E161: Breakpoint not found: %s"), eap->arg);
else
{
while (gap->ga_len > 0)
{
vim_free(DEBUGGY(gap, todel).dbg_name);
#ifdef FEAT_EVAL
if (DEBUGGY(gap, todel).dbg_type == DBG_EXPR
&& DEBUGGY(gap, todel).dbg_val != NULL)
free_tv(DEBUGGY(gap, todel).dbg_val);
#endif
vim_regfree(DEBUGGY(gap, todel).dbg_prog);
--gap->ga_len;
if (todel < gap->ga_len)
mch_memmove(&DEBUGGY(gap, todel), &DEBUGGY(gap, todel + 1),
(gap->ga_len - todel) * sizeof(struct debuggy));
#ifdef FEAT_PROFILE
if (eap->cmdidx == CMD_breakdel)
#endif
++debug_tick;
if (!del_all)
break;
}
if (gap->ga_len == 0)
ga_clear(gap);
}
}
void
ex_breaklist(exarg_T *eap UNUSED)
{
struct debuggy *bp;
int i;
if (dbg_breakp.ga_len == 0)
msg(_("No breakpoints defined"));
else
for (i = 0; i < dbg_breakp.ga_len; ++i)
{
bp = &BREAKP(i);
if (bp->dbg_type == DBG_FILE)
home_replace(NULL, bp->dbg_name, NameBuff, MAXPATHL, TRUE);
if (bp->dbg_type != DBG_EXPR)
smsg(_("%3d %s %s line %ld"),
bp->dbg_nr,
bp->dbg_type == DBG_FUNC ? "func" : "file",
bp->dbg_type == DBG_FUNC ? bp->dbg_name : NameBuff,
(long)bp->dbg_lnum);
else
smsg(_("%3d expr %s"),
bp->dbg_nr, bp->dbg_name);
}
}
linenr_T
dbg_find_breakpoint(
int file, char_u *fname, linenr_T after) {
return debuggy_find(file, fname, after, &dbg_breakp, NULL);
}
#if defined(FEAT_PROFILE) || defined(PROTO)
int
has_profiling(
int file, char_u *fname, int *fp) {
return (debuggy_find(file, fname, (linenr_T)0, &prof_ga, fp)
!= (linenr_T)0);
}
#endif
static linenr_T
debuggy_find(
int file, char_u *fname, linenr_T after, garray_T *gap, int *fp) {
struct debuggy *bp;
int i;
linenr_T lnum = 0;
char_u *name = fname;
int prev_got_int;
if (gap->ga_len == 0)
return (linenr_T)0;
if (!file && fname[0] == K_SPECIAL)
{
name = alloc(STRLEN(fname) + 3);
if (name == NULL)
name = fname;
else
{
STRCPY(name, "<SNR>");
STRCPY(name + 5, fname + 3);
}
}
for (i = 0; i < gap->ga_len; ++i)
{
bp = &DEBUGGY(gap, i);
if (((bp->dbg_type == DBG_FILE) == file &&
bp->dbg_type != DBG_EXPR && (
#ifdef FEAT_PROFILE
gap == &prof_ga ||
#endif
(bp->dbg_lnum > after && (lnum == 0 || bp->dbg_lnum < lnum)))))
{
prev_got_int = got_int;
got_int = FALSE;
if (vim_regexec_prog(&bp->dbg_prog, FALSE, name, (colnr_T)0))
{
lnum = bp->dbg_lnum;
if (fp != NULL)
*fp = bp->dbg_forceit;
}
got_int |= prev_got_int;
}
#ifdef FEAT_EVAL
else if (bp->dbg_type == DBG_EXPR)
{
typval_T *tv;
int line = FALSE;
prev_got_int = got_int;
got_int = FALSE;
tv = eval_expr(bp->dbg_name, NULL);
if (tv != NULL)
{
if (bp->dbg_val == NULL)
{
debug_oldval = typval_tostring(NULL);
bp->dbg_val = tv;
debug_newval = typval_tostring(bp->dbg_val);
line = TRUE;
}
else
{
if (typval_compare(tv, bp->dbg_val, EXPR_IS, FALSE) == OK
&& tv->vval.v_number == FALSE)
{
typval_T *v;
line = TRUE;
debug_oldval = typval_tostring(bp->dbg_val);
v = eval_expr(bp->dbg_name, NULL);
debug_newval = typval_tostring(v);
free_tv(bp->dbg_val);
bp->dbg_val = v;
}
free_tv(tv);
}
}
else if (bp->dbg_val != NULL)
{
debug_oldval = typval_tostring(bp->dbg_val);
debug_newval = typval_tostring(NULL);
free_tv(bp->dbg_val);
bp->dbg_val = NULL;
line = TRUE;
}
if (line)
{
lnum = after > 0 ? after : 1;
break;
}
got_int |= prev_got_int;
}
#endif
}
if (name != fname)
vim_free(name);
return lnum;
}
void
dbg_breakpoint(char_u *name, linenr_T lnum)
{
debug_breakpoint_name = name;
debug_breakpoint_lnum = lnum;
}
#endif