summaryrefslogtreecommitdiffstats
path: root/src/ex_cmds2.c
diff options
context:
space:
mode:
authorBram Moolenaar <Bram@vim.org>2019-04-21 11:35:00 +0200
committerBram Moolenaar <Bram@vim.org>2019-04-21 11:35:00 +0200
commiteead75c5e8e1f965548c55ee3a9388b2cb3afc36 (patch)
treeb3c47222504286009afa1b615edf637954d91fb7 /src/ex_cmds2.c
parent911ead126903aeb9564bad89e46a147ed4959896 (diff)
patch 8.1.1195: Vim script debugger functionality needs cleanupv8.1.1195
Problem: Vim script debugger functionality needs cleanup. Solution: Move debugger code to a separate file. Add more tests. (Yegappan Lakshmanan, closes #4285)
Diffstat (limited to 'src/ex_cmds2.c')
-rw-r--r--src/ex_cmds2.c975
1 files changed, 0 insertions, 975 deletions
diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
index 46d6dcb236..5f8eef91b5 100644
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -66,981 +66,6 @@ typedef struct sn_prl_S
#endif
#if defined(FEAT_EVAL) || defined(PROTO)
-static int debug_greedy = FALSE; /* batch mode debugging: don't save
- and restore typeahead. */
-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; /* old and newval for debug expressions */
-static char_u *debug_newval = NULL;
-static int debug_expr = 0; /* use debug_expr */
-
- int
-has_watchexpr(void)
-{
- return debug_expr;
-}
-
-/*
- * do_debug(): Debug mode.
- * Repeatedly get Ex commands, until told to continue normal execution.
- */
- 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 *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
- /* Can't do this when there is no terminal for input/output. */
- if (!gui.in_use)
- {
- /* Break as soon as possible. */
- debug_break_level = 9999;
- return;
- }
-#endif
-
- /* Make sure we are in raw mode and start termcap mode. Might have side
- * effects... */
- settmode(TMODE_RAW);
- starttermcap();
-
- ++RedrawingDisabled; /* don't redisplay the window */
- ++no_wait_return; /* don't wait for return */
- did_emsg = FALSE; /* don't use error from debugged stuff */
- cmd_silent = FALSE; /* display commands */
- msg_silent = FALSE; /* display messages */
- emsg_silent = FALSE; /* display error messages */
- redir_off = TRUE; /* don't redirect debug commands */
-
- 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;
- }
- if (sourcing_name != NULL)
- msg((char *)sourcing_name);
- if (sourcing_lnum != 0)
- smsg(_("line %ld: %s"), (long)sourcing_lnum, cmd);
- else
- smsg(_("cmd: %s"), cmd);
- /*
- * Repeat getting a command and executing it.
- */
- for (;;)
- {
- msg_scroll = TRUE;
- need_wait_return = FALSE;
-
- /* Save the current typeahead buffer and replace it with an empty one.
- * This makes sure we get input from the user here and don't interfere
- * with the commands being executed. Reset "ex_normal_busy" to avoid
- * the side effects of using ":normal". Save the stuff buffer and make
- * it empty. Set ignore_script to avoid reading from script input. */
- 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)
- {
- /* If this is a debug command, set "last_cmd".
- * If not, reset "last_cmd".
- * For a blank line use previous command. */
- 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)
- {
- /* Check that the tail matches. */
- ++p;
- while (*p != NUL && *p == *tail)
- {
- ++p;
- ++tail;
- }
- if (ASCII_ISALPHA(*p) && last_cmd != CMD_FRAME)
- last_cmd = 0;
- }
- }
-
- if (last_cmd != 0)
- {
- /* Execute debug command: decided where to break next and
- * return. */
- 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;
- /* Do not repeat ">interrupt" cmd, continue stepping. */
- 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;
- }
- /* Going out reset backtrace_level */
- debug_backtrace_level = 0;
- break;
- }
-
- /* don't debug this command */
- 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;
-
- /* Only print the message again when typing a command before coming back
- * here. */
- debug_did_msg = TRUE;
-}
-
- static int
-get_maxbacktrace_level(void)
-{
- char *p, *q;
- int maxbacktrace = 0;
-
- if (sourcing_name != NULL)
- {
- p = (char *)sourcing_name;
- 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
- {
- int max = get_maxbacktrace_level();
-
- if (debug_backtrace_level > max)
- {
- debug_backtrace_level = max;
- smsg(_("frame at highest level: %d"), max);
- }
- }
-}
-
- static void
-do_showbacktrace(char_u *cmd)
-{
- char *cur;
- char *next;
- int i = 0;
- int max = get_maxbacktrace_level();
-
- if (sourcing_name != NULL)
- {
- cur = (char *)sourcing_name;
- 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;
- }
- }
- if (sourcing_lnum != 0)
- smsg(_("line %ld: %s"), (long)sourcing_lnum, cmd);
- else
- smsg(_("cmd: %s"), cmd);
-}
-
-/*
- * ":debug".
- */
- 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;
-
-/*
- * When debugging or a breakpoint is set on a skipped command, no debug prompt
- * is shown by do_one_cmd(). This situation is indicated by debug_skipped, and
- * debug_skipped_name is then set to the source name in the breakpoint case. If
- * a skipped command decides itself that a debug prompt should be displayed, it
- * can do so by calling dbg_check_skipped().
- */
-static int debug_skipped;
-static char_u *debug_skipped_name;
-
-/*
- * Go to debug mode when a breakpoint was encountered or "ex_nesting_level" is
- * at or below the break level. But only when the line is actually
- * executed. Return TRUE and set breakpoint_name for skipped commands that
- * decide to execute something themselves.
- * Called from do_one_cmd() before executing a command.
- */
- void
-dbg_check_breakpoint(exarg_T *eap)
-{
- char_u *p;
-
- debug_skipped = FALSE;
- if (debug_breakpoint_name != NULL)
- {
- if (!eap->skip)
- {
- /* replace K_SNR with "<SNR>" */
- 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;
- }
- }
-}
-
-/*
- * Go to debug mode if skipped by dbg_check_breakpoint() because eap->skip was
- * set. Return TRUE when the debug mode is entered this time.
- */
- int
-dbg_check_skipped(exarg_T *eap)
-{
- int prev_got_int;
-
- if (debug_skipped)
- {
- /*
- * Save the value of got_int and reset it. We don't want a previous
- * interruption cause flushing the input buffer.
- */
- prev_got_int = got_int;
- got_int = FALSE;
- debug_breakpoint_name = debug_skipped_name;
- /* eap->skip is TRUE */
- eap->skip = FALSE;
- (void)dbg_check_breakpoint(eap);
- eap->skip = TRUE;
- got_int |= prev_got_int;
- return TRUE;
- }
- return FALSE;
-}
-
-/*
- * The list of breakpoints: dbg_breakp.
- * This is a grow-array of structs.
- */
-struct debuggy
-{
- int dbg_nr; /* breakpoint number */
- int dbg_type; /* DBG_FUNC, DBG_FILE or DBG_EXPR */
- char_u *dbg_name; /* function, expression or file name */
- regprog_T *dbg_prog; /* regexp program */
- linenr_T dbg_lnum; /* line number in function or file */
- int dbg_forceit; /* ! used */
-#ifdef FEAT_EVAL
- typval_T *dbg_val; /* last result of watchexpression */
-#endif
- int dbg_level; /* stored nested level for expr */
-};
-
-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; /* nr of last defined breakpoint */
-
-#ifdef FEAT_PROFILE
-/* Profiling uses file and func names similar to breakpoints. */
-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);
-
-/*
- * Parse the arguments of ":profile", ":breakadd" or ":breakdel" and put them
- * in the entry just after the last one in dbg_breakp. Note that "dbg_name"
- * is allocated.
- * Returns FAIL for failure.
- */
- static int
-dbg_parsearg(
- char_u *arg,
- garray_T *gap) /* either &dbg_breakp or &prof_ga */
-{
- 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);
-
- /* Find "func" or "file". */
- 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);
-
- /* Find optional line number. */
- 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;
-
- /* Find the function or file name. Don't accept a function name with (). */
- 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
- {
- /* Expand the file name in the same way as do_source(). This means
- * doing it twice, so that $DIR/file gets expanded when $DIR is
- * "~/dir". */
- 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;
-}
-
-/*
- * ":breakadd". Also used for ":profile".
- */
- 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) /* default line number is 1 */
- 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
- {
- /* DBG_EXPR */
- DEBUGGY(gap, gap->ga_len++).dbg_nr = ++last_breakp;
- ++debug_tick;
- }
- }
-}
-
-/*
- * ":debuggreedy".
- */
- void
-ex_debuggreedy(exarg_T *eap)
-{
- if (eap->addr_count == 0 || eap->line2 != 0)
- debug_greedy = TRUE;
- else
- debug_greedy = FALSE;
-}
-
-/*
- * ":breakdel" and ":profdel".
- */
- 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))
- {
- /* ":breakdel {nr}" */
- 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
- {
- /* ":breakdel {func|file|expr} [lnum] {name}" */
- 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 all breakpoints were removed clear the array. */
- if (gap->ga_len == 0)
- ga_clear(gap);
- }
-}
-
-/*
- * ":breaklist".
- */
- 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);
- }
-}
-
-/*
- * Find a breakpoint for a function or sourced file.
- * Returns line number at which to break; zero when no matching breakpoint.
- */
- linenr_T
-dbg_find_breakpoint(
- int file, /* TRUE for a file, FALSE for a function */
- char_u *fname, /* file or function name */
- linenr_T after) /* after this line number */
-{
- return debuggy_find(file, fname, after, &dbg_breakp, NULL);
-}
-
-#if defined(FEAT_PROFILE) || defined(PROTO)
-/*
- * Return TRUE if profiling is on for a function or sourced file.
- */
- int
-has_profiling(
- int file, /* TRUE for a file, FALSE for a function */
- char_u *fname, /* file or function name */
- int *fp) /* return: forceit */
-{
- return (debuggy_find(file, fname, (linenr_T)0, &prof_ga, fp)
- != (linenr_T)0);
-}
-#endif
-
-/*
- * Common code for dbg_find_breakpoint() and has_profiling().
- */
- static linenr_T
-debuggy_find(
- int file, /* TRUE for a file, FALSE for a function */
- char_u *fname, /* file or function name */
- linenr_T after, /* after this line number */
- garray_T *gap, /* either &dbg_breakp or &prof_ga */
- int *fp) /* if not NULL: return forceit */
-{
- struct debuggy *bp;
- int i;
- linenr_T lnum = 0;
- char_u *name = fname;
- int prev_got_int;
-
- /* Return quickly when there are no breakpoints. */
- if (gap->ga_len == 0)
- return (linenr_T)0;
-
- /* Replace K_SNR in function name with "<SNR>". */
- if (!file && fname[0] == K_SPECIAL)
- {
- name = alloc((unsigned)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)
- {
- /* Skip entries that are not useful or are for a line that is beyond
- * an already found breakpoint. */
- 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)))))
- {
- /*
- * Save the value of got_int and reset it. We don't want a
- * previous interruption cancel matching, only hitting CTRL-C
- * while matching should abort it.
- */
- 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, TYPE_EQUAL,
- TRUE, FALSE) == OK
- && tv->vval.v_number == FALSE)
- {
- typval_T *v;
-
- line = TRUE;
- debug_oldval = typval_tostring(bp->dbg_val);
- /* Need to evaluate again, typval_compare() overwrites
- * "tv". */
- 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;
-}
-
-/*
- * Called when a breakpoint was encountered.
- */
- void
-dbg_breakpoint(char_u *name, linenr_T lnum)
-{
- /* We need to check if this line is actually executed in do_one_cmd() */
- debug_breakpoint_name = name;
- debug_breakpoint_lnum = lnum;
-}
-
-
# if defined(FEAT_PROFILE) || defined(FEAT_RELTIME) || defined(PROTO)
/*
* Store the current time in "tm".