| /* vi:set ts=8 sts=4 sw=4 noet: |
| * |
| * VIM - Vi IMproved by Bram Moolenaar |
| * |
| * Do ":help uganda" in Vim to read copying and usage conditions. |
| * Do ":help credits" in Vim to see a list of people who contributed. |
| * See README.txt for an overview of the Vim source code. |
| */ |
| |
| /* |
| * debugger.c: Vim script debugger functions |
| */ |
| |
| #include "vim.h" |
| |
| #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; |
| } |
| #endif |