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https://github.com/vim/vim
synced 2025-03-16 06:47:52 +01:00
Problem: compiler warnings with clang-17 Solution: Fix function prototypes and function pointer fix: clang compilation warnings with -Wstrict-prototypes Change fixes this kind of compilation warnings with clang: ``` proto/if_python3.pro:13:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes] 13 | int python3_version(); | ^ | void ``` closes: #13166 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Dominique Pellé <dominique.pelle@tomtom.com>
1176 lines
27 KiB
C
1176 lines
27 KiB
C
/* vi:set ts=8 sts=4 sw=4 noet:
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*
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* VIM - Vi IMproved by Bram Moolenaar
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*
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* Do ":help uganda" in Vim to read copying and usage conditions.
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* Do ":help credits" in Vim to see a list of people who contributed.
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* See README.txt for an overview of the Vim source code.
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*/
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/*
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* debugger.c: Vim script debugger functions
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*/
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#include "vim.h"
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#if defined(FEAT_EVAL) || defined(PROTO)
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static int debug_greedy = FALSE; // batch mode debugging: don't save
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// and restore typeahead.
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static void do_setdebugtracelevel(char_u *arg);
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static void do_checkbacktracelevel(void);
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static void do_showbacktrace(char_u *cmd);
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static char_u *debug_oldval = NULL; // old and newval for debug expressions
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static char_u *debug_newval = NULL;
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static int debug_expr = 0; // use debug_expr
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int
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has_watchexpr(void)
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{
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return debug_expr;
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}
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/*
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* do_debug(): Debug mode.
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* Repeatedly get Ex commands, until told to continue normal execution.
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*/
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void
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do_debug(char_u *cmd)
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{
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int save_msg_scroll = msg_scroll;
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int save_State = State;
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int save_did_emsg = did_emsg;
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int save_cmd_silent = cmd_silent;
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int save_msg_silent = msg_silent;
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int save_emsg_silent = emsg_silent;
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int save_redir_off = redir_off;
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tasave_T typeaheadbuf;
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int typeahead_saved = FALSE;
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int save_ignore_script = 0;
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int save_ex_normal_busy;
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int n;
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char_u *cmdline = NULL;
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char_u *p;
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char_u *sname;
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char *tail = NULL;
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static int last_cmd = 0;
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#define CMD_CONT 1
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#define CMD_NEXT 2
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#define CMD_STEP 3
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#define CMD_FINISH 4
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#define CMD_QUIT 5
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#define CMD_INTERRUPT 6
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#define CMD_BACKTRACE 7
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#define CMD_FRAME 8
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#define CMD_UP 9
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#define CMD_DOWN 10
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#ifdef ALWAYS_USE_GUI
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// Can't do this when there is no terminal for input/output.
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if (!gui.in_use)
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{
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// Break as soon as possible.
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debug_break_level = 9999;
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return;
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}
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#endif
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// Make sure we are in raw mode and start termcap mode. Might have side
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// effects...
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settmode(TMODE_RAW);
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starttermcap();
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++RedrawingDisabled; // don't redisplay the window
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++no_wait_return; // don't wait for return
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did_emsg = FALSE; // don't use error from debugged stuff
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cmd_silent = FALSE; // display commands
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msg_silent = FALSE; // display messages
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emsg_silent = FALSE; // display error messages
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redir_off = TRUE; // don't redirect debug commands
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save_timeout_for_debugging(); // disable regexp timeout flag
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State = MODE_NORMAL;
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debug_mode = TRUE;
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if (!debug_did_msg)
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msg(_("Entering Debug mode. Type \"cont\" to continue."));
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if (debug_oldval != NULL)
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{
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smsg(_("Oldval = \"%s\""), debug_oldval);
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VIM_CLEAR(debug_oldval);
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}
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if (debug_newval != NULL)
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{
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smsg(_("Newval = \"%s\""), debug_newval);
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VIM_CLEAR(debug_newval);
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}
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sname = estack_sfile(ESTACK_NONE);
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if (sname != NULL)
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msg((char *)sname);
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vim_free(sname);
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if (SOURCING_LNUM != 0)
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smsg(_("line %ld: %s"), SOURCING_LNUM, cmd);
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else
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smsg(_("cmd: %s"), cmd);
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// Repeat getting a command and executing it.
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for (;;)
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{
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msg_scroll = TRUE;
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need_wait_return = FALSE;
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// Save the current typeahead buffer and replace it with an empty one.
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// This makes sure we get input from the user here and don't interfere
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// with the commands being executed. Reset "ex_normal_busy" to avoid
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// the side effects of using ":normal". Save the stuff buffer and make
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// it empty. Set ignore_script to avoid reading from script input.
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save_ex_normal_busy = ex_normal_busy;
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ex_normal_busy = 0;
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if (!debug_greedy)
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{
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save_typeahead(&typeaheadbuf);
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typeahead_saved = TRUE;
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save_ignore_script = ignore_script;
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ignore_script = TRUE;
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}
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// don't debug any function call, e.g. from an expression mapping
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n = debug_break_level;
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debug_break_level = -1;
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vim_free(cmdline);
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cmdline = getcmdline_prompt('>', NULL, 0, EXPAND_NOTHING, NULL);
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debug_break_level = n;
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if (typeahead_saved)
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{
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restore_typeahead(&typeaheadbuf, TRUE);
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ignore_script = save_ignore_script;
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}
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ex_normal_busy = save_ex_normal_busy;
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cmdline_row = msg_row;
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msg_starthere();
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if (cmdline != NULL)
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{
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// If this is a debug command, set "last_cmd".
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// If not, reset "last_cmd".
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// For a blank line use previous command.
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p = skipwhite(cmdline);
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if (*p != NUL)
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{
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switch (*p)
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{
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case 'c': last_cmd = CMD_CONT;
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tail = "ont";
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break;
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case 'n': last_cmd = CMD_NEXT;
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tail = "ext";
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break;
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case 's': last_cmd = CMD_STEP;
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tail = "tep";
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break;
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case 'f':
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last_cmd = 0;
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if (p[1] == 'r')
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{
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last_cmd = CMD_FRAME;
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tail = "rame";
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}
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else
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{
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last_cmd = CMD_FINISH;
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tail = "inish";
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}
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break;
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case 'q': last_cmd = CMD_QUIT;
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tail = "uit";
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break;
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case 'i': last_cmd = CMD_INTERRUPT;
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tail = "nterrupt";
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break;
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case 'b': last_cmd = CMD_BACKTRACE;
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if (p[1] == 't')
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tail = "t";
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else
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tail = "acktrace";
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break;
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case 'w': last_cmd = CMD_BACKTRACE;
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tail = "here";
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break;
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case 'u': last_cmd = CMD_UP;
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tail = "p";
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break;
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case 'd': last_cmd = CMD_DOWN;
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tail = "own";
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break;
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default: last_cmd = 0;
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}
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if (last_cmd != 0)
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{
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// Check that the tail matches.
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++p;
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while (*p != NUL && *p == *tail)
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{
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++p;
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++tail;
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}
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if (ASCII_ISALPHA(*p) && last_cmd != CMD_FRAME)
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last_cmd = 0;
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}
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}
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if (last_cmd != 0)
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{
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// Execute debug command: decide where to break next and
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// return.
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switch (last_cmd)
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{
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case CMD_CONT:
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debug_break_level = -1;
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break;
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case CMD_NEXT:
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debug_break_level = ex_nesting_level;
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break;
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case CMD_STEP:
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debug_break_level = 9999;
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break;
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case CMD_FINISH:
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debug_break_level = ex_nesting_level - 1;
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break;
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case CMD_QUIT:
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got_int = TRUE;
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debug_break_level = -1;
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break;
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case CMD_INTERRUPT:
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got_int = TRUE;
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debug_break_level = 9999;
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// Do not repeat ">interrupt" cmd, continue stepping.
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last_cmd = CMD_STEP;
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break;
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case CMD_BACKTRACE:
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do_showbacktrace(cmd);
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continue;
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case CMD_FRAME:
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if (*p == NUL)
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{
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do_showbacktrace(cmd);
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}
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else
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{
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p = skipwhite(p);
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do_setdebugtracelevel(p);
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}
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continue;
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case CMD_UP:
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debug_backtrace_level++;
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do_checkbacktracelevel();
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continue;
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case CMD_DOWN:
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debug_backtrace_level--;
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do_checkbacktracelevel();
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continue;
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}
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// Going out reset backtrace_level
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debug_backtrace_level = 0;
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break;
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}
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// don't debug this command
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n = debug_break_level;
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debug_break_level = -1;
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(void)do_cmdline(cmdline, getexline, NULL,
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DOCMD_VERBOSE|DOCMD_EXCRESET);
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debug_break_level = n;
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}
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lines_left = Rows - 1;
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}
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vim_free(cmdline);
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if (RedrawingDisabled > 0)
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--RedrawingDisabled;
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--no_wait_return;
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redraw_all_later(UPD_NOT_VALID);
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need_wait_return = FALSE;
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msg_scroll = save_msg_scroll;
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restore_timeout_for_debugging();
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lines_left = Rows - 1;
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State = save_State;
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debug_mode = FALSE;
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did_emsg = save_did_emsg;
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cmd_silent = save_cmd_silent;
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msg_silent = save_msg_silent;
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emsg_silent = save_emsg_silent;
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redir_off = save_redir_off;
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// Only print the message again when typing a command before coming back
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// here.
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debug_did_msg = TRUE;
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}
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static int
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get_maxbacktrace_level(char_u *sname)
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{
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char *p, *q;
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int maxbacktrace = 0;
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if (sname == NULL)
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return 0;
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p = (char *)sname;
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while ((q = strstr(p, "..")) != NULL)
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{
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p = q + 2;
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maxbacktrace++;
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}
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return maxbacktrace;
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}
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static void
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do_setdebugtracelevel(char_u *arg)
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{
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int level;
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level = atoi((char *)arg);
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if (*arg == '+' || level < 0)
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debug_backtrace_level += level;
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else
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debug_backtrace_level = level;
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do_checkbacktracelevel();
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}
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static void
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do_checkbacktracelevel(void)
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{
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if (debug_backtrace_level < 0)
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{
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debug_backtrace_level = 0;
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msg(_("frame is zero"));
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}
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else
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{
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char_u *sname = estack_sfile(ESTACK_NONE);
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int max = get_maxbacktrace_level(sname);
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if (debug_backtrace_level > max)
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{
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debug_backtrace_level = max;
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smsg(_("frame at highest level: %d"), max);
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}
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vim_free(sname);
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}
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}
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static void
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do_showbacktrace(char_u *cmd)
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{
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char_u *sname;
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char *cur;
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char *next;
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int i = 0;
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int max;
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sname = estack_sfile(ESTACK_NONE);
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max = get_maxbacktrace_level(sname);
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if (sname != NULL)
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{
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cur = (char *)sname;
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while (!got_int)
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{
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next = strstr(cur, "..");
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if (next != NULL)
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*next = NUL;
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if (i == max - debug_backtrace_level)
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smsg("->%d %s", max - i, cur);
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else
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smsg(" %d %s", max - i, cur);
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++i;
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if (next == NULL)
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break;
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*next = '.';
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cur = next + 2;
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}
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vim_free(sname);
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}
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if (SOURCING_LNUM != 0)
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smsg(_("line %ld: %s"), (long)SOURCING_LNUM, cmd);
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else
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smsg(_("cmd: %s"), cmd);
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}
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/*
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* ":debug".
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*/
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void
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ex_debug(exarg_T *eap)
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{
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int debug_break_level_save = debug_break_level;
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debug_break_level = 9999;
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do_cmdline_cmd(eap->arg);
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debug_break_level = debug_break_level_save;
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}
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static char_u *debug_breakpoint_name = NULL;
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static linenr_T debug_breakpoint_lnum;
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/*
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* When debugging or a breakpoint is set on a skipped command, no debug prompt
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* is shown by do_one_cmd(). This situation is indicated by debug_skipped, and
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* debug_skipped_name is then set to the source name in the breakpoint case. If
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* a skipped command decides itself that a debug prompt should be displayed, it
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* can do so by calling dbg_check_skipped().
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*/
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static int debug_skipped;
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static char_u *debug_skipped_name;
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/*
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* Go to debug mode when a breakpoint was encountered or "ex_nesting_level" is
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* at or below the break level. But only when the line is actually
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* executed. Return TRUE and set breakpoint_name for skipped commands that
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* decide to execute something themselves.
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* Called from do_one_cmd() before executing a command.
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*/
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void
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dbg_check_breakpoint(exarg_T *eap)
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{
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char_u *p;
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debug_skipped = FALSE;
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if (debug_breakpoint_name != NULL)
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{
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if (!eap->skip)
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{
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// replace K_SNR with "<SNR>"
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if (debug_breakpoint_name[0] == K_SPECIAL
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&& debug_breakpoint_name[1] == KS_EXTRA
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&& debug_breakpoint_name[2] == KE_SNR)
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p = (char_u *)"<SNR>";
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else
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p = (char_u *)"";
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smsg(_("Breakpoint in \"%s%s\" line %ld"),
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p,
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debug_breakpoint_name + (*p == NUL ? 0 : 3),
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(long)debug_breakpoint_lnum);
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debug_breakpoint_name = NULL;
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do_debug(eap->cmd);
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}
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else
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{
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debug_skipped = TRUE;
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debug_skipped_name = debug_breakpoint_name;
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debug_breakpoint_name = NULL;
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}
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}
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else if (ex_nesting_level <= debug_break_level)
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{
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if (!eap->skip)
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do_debug(eap->cmd);
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else
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{
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debug_skipped = TRUE;
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debug_skipped_name = NULL;
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}
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}
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}
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/*
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* Go to debug mode if skipped by dbg_check_breakpoint() because eap->skip was
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* set. Return TRUE when the debug mode is entered this time.
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*/
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int
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dbg_check_skipped(exarg_T *eap)
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{
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int prev_got_int;
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if (!debug_skipped)
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return FALSE;
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// Save the value of got_int and reset it. We don't want a previous
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// interruption cause flushing the input buffer.
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prev_got_int = got_int;
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got_int = FALSE;
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debug_breakpoint_name = debug_skipped_name;
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// eap->skip is TRUE
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eap->skip = FALSE;
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(void)dbg_check_breakpoint(eap);
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eap->skip = TRUE;
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got_int |= prev_got_int;
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return TRUE;
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}
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/*
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* The list of breakpoints: dbg_breakp.
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* This is a grow-array of structs.
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*/
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struct debuggy
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{
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int dbg_nr; // breakpoint number
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int dbg_type; // DBG_FUNC, DBG_FILE or DBG_EXPR
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char_u *dbg_name; // function, expression or file name
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regprog_T *dbg_prog; // regexp program
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linenr_T dbg_lnum; // line number in function or file
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int dbg_forceit; // ! used
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#ifdef FEAT_EVAL
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typval_T *dbg_val; // last result of watchexpression
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#endif
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int dbg_level; // stored nested level for expr
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};
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static garray_T dbg_breakp = {0, 0, sizeof(struct debuggy), 4, NULL};
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#define BREAKP(idx) (((struct debuggy *)dbg_breakp.ga_data)[idx])
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#define DEBUGGY(gap, idx) (((struct debuggy *)gap->ga_data)[idx])
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static int last_breakp = 0; // nr of last defined breakpoint
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static int has_expr_breakpoint = FALSE;
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#ifdef FEAT_PROFILE
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// Profiling uses file and func names similar to breakpoints.
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static garray_T prof_ga = {0, 0, sizeof(struct debuggy), 4, NULL};
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// Profiling caches results of regexp lookups for function/script name.
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#define N_PROF_HTAB 2
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static hashtab_T prof_cache[N_PROF_HTAB];
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#define PROF_HTAB_FUNCS 0
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#define PROF_HTAB_FILES 1
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static int prof_cache_initialized;
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typedef struct profentry_S
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{
|
|
char pen_flags; // cache data booleans: profiling, forceit
|
|
char_u pen_name[1]; // actually longer
|
|
} profentry_T;
|
|
#define PEN_FLAG_PROFILING 1
|
|
#define PEN_FLAG_FORCEIT 2
|
|
#define PEN_SET_PROFILING(pe) ((pe)->pen_flags |= PEN_FLAG_PROFILING)
|
|
#define PEN_SET_FORCEIT(pe) ((pe)->pen_flags |= PEN_FLAG_FORCEIT)
|
|
#define PEN_IS_PROFILING(pe) (((pe)->pen_flags & PEN_FLAG_PROFILING) != 0)
|
|
#define PEN_IS_FORCEIT(pe) (((pe)->pen_flags & PEN_FLAG_FORCEIT) != 0)
|
|
|
|
#define PE2HIKEY(pe) ((pe)->pen_name)
|
|
#define HIKEY2PE(p) ((profentry_T *)((p) - (offsetof(profentry_T, pen_name))))
|
|
#define HI2PE(hi) HIKEY2PE((hi)->hi_key)
|
|
|
|
static void prof_clear_cache(void);
|
|
#define PROF_CLEAR_CACHE(gap) do {if ((gap) == &prof_ga) prof_clear_cache();} while (0)
|
|
// Can enable to get some info about profile caching
|
|
// #define PROF_CACHE_LOG
|
|
#else
|
|
#define PROF_CLEAR_CACHE(gap) do {} while (0)
|
|
#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);
|
|
|
|
/*
|
|
* Evaluate the "bp->dbg_name" expression and return the result.
|
|
* Disables error messages.
|
|
*/
|
|
static typval_T *
|
|
eval_expr_no_emsg(struct debuggy *bp)
|
|
{
|
|
typval_T *tv;
|
|
|
|
// Disable error messages, a bad expression would make Vim unusable.
|
|
++emsg_off;
|
|
tv = eval_expr(bp->dbg_name, NULL);
|
|
--emsg_off;
|
|
|
|
return tv;
|
|
}
|
|
|
|
/*
|
|
* 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_no_file_name));
|
|
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_invalid_argument_str), 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_invalid_argument_str), arg);
|
|
return FAIL;
|
|
}
|
|
|
|
if (bp->dbg_type == DBG_FUNC)
|
|
bp->dbg_name = vim_strsave(STRNCMP(p, "g:", 2) == 0 ? p + 2 : 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_no_emsg(bp);
|
|
}
|
|
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)
|
|
return;
|
|
|
|
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;
|
|
PROF_CLEAR_CACHE(gap);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// DBG_EXPR
|
|
DEBUGGY(gap, gap->ga_len++).dbg_nr = ++last_breakp;
|
|
++debug_tick;
|
|
if (gap == &dbg_breakp)
|
|
has_expr_breakpoint = TRUE;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* ":debuggreedy".
|
|
*/
|
|
void
|
|
ex_debuggreedy(exarg_T *eap)
|
|
{
|
|
if (eap->addr_count == 0 || eap->line2 != 0)
|
|
debug_greedy = TRUE;
|
|
else
|
|
debug_greedy = FALSE;
|
|
}
|
|
|
|
static void
|
|
update_has_expr_breakpoint(void)
|
|
{
|
|
int i;
|
|
|
|
has_expr_breakpoint = FALSE;
|
|
for (i = 0; i < dbg_breakp.ga_len; ++i)
|
|
if (BREAKP(i).dbg_type == DBG_EXPR)
|
|
{
|
|
has_expr_breakpoint = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Return TRUE if there is any expression breakpoint.
|
|
*/
|
|
int
|
|
debug_has_expr_breakpoint(void)
|
|
{
|
|
return has_expr_breakpoint;
|
|
}
|
|
|
|
/*
|
|
* ":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(_(e_breakpoint_not_found_str), eap->arg);
|
|
return;
|
|
}
|
|
|
|
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;
|
|
}
|
|
PROF_CLEAR_CACHE(gap);
|
|
|
|
// If all breakpoints were removed clear the array.
|
|
if (gap->ga_len == 0)
|
|
ga_clear(gap);
|
|
if (gap == &dbg_breakp)
|
|
update_has_expr_breakpoint();
|
|
}
|
|
|
|
/*
|
|
* ":breaklist".
|
|
*/
|
|
void
|
|
ex_breaklist(exarg_T *eap UNUSED)
|
|
{
|
|
struct debuggy *bp;
|
|
int i;
|
|
|
|
if (dbg_breakp.ga_len == 0)
|
|
{
|
|
msg(_("No breakpoints defined"));
|
|
return;
|
|
}
|
|
|
|
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)
|
|
#if defined(PROF_CACHE_LOG)
|
|
static int count_lookups[2];
|
|
#endif
|
|
/*
|
|
* Return TRUE if profiling is on for a function or sourced file.
|
|
* Cache the results of debuggy_find().
|
|
* Cache is cleared whenever prof_ga.ga_len is changed.
|
|
*/
|
|
int
|
|
has_profiling(
|
|
int file, // TRUE for a file, FALSE for a function
|
|
char_u *fname, // file or function name
|
|
int *fp, // return: forceit
|
|
hash_T *hashp) // use/return fname hash, may be NULL
|
|
{
|
|
if (prof_ga.ga_len == 0 || !prof_cache_initialized)
|
|
return debuggy_find(file, fname, (linenr_T)0, &prof_ga, fp)
|
|
!= (linenr_T)0;
|
|
|
|
hash_T hash;
|
|
if (hashp != NULL)
|
|
{
|
|
hash = *hashp;
|
|
if (hash == 0)
|
|
{
|
|
hash = hash_hash(fname);
|
|
*hashp = hash;
|
|
}
|
|
}
|
|
else
|
|
hash = hash_hash(fname);
|
|
|
|
hashtab_T *ht = &prof_cache[file ? PROF_HTAB_FILES : PROF_HTAB_FUNCS];
|
|
hashitem_T *hi = hash_lookup(ht, fname, hash);
|
|
profentry_T *pe;
|
|
if (HASHITEM_EMPTY(hi))
|
|
{
|
|
pe = alloc(offsetof(profentry_T, pen_name) + STRLEN(fname) + 1);
|
|
if (pe == NULL)
|
|
return FALSE;
|
|
STRCPY(pe->pen_name, fname);
|
|
pe->pen_flags = 0;
|
|
// run debuggy_find and capture return and forceit
|
|
int f;
|
|
int lnum = debuggy_find(file, fname, (linenr_T)0, &prof_ga, &f);
|
|
if (lnum)
|
|
{
|
|
PEN_SET_PROFILING(pe);
|
|
if (f)
|
|
PEN_SET_FORCEIT(pe);
|
|
}
|
|
hash_add_item(ht, hi, pe->pen_name, hash);
|
|
#if defined(PROF_CACHE_LOG)
|
|
ch_log(NULL, "has_profiling: %s %s forceit %s, profile %s",
|
|
file ? "file" : "func", fname,
|
|
PEN_IS_FORCEIT(pe) ? "true" : "false",
|
|
PEN_IS_PROFILING(pe) ? "true" : "false");
|
|
#endif
|
|
}
|
|
else
|
|
pe = HI2PE(hi);
|
|
if (fp)
|
|
*fp = PEN_IS_FORCEIT(pe);
|
|
#if defined(PROF_CACHE_LOG)
|
|
count_lookups[file ? PROF_HTAB_FILES : PROF_HTAB_FUNCS]++;
|
|
#endif
|
|
return PEN_IS_PROFILING(pe);
|
|
}
|
|
|
|
static void
|
|
prof_clear_cache(void)
|
|
{
|
|
if (!prof_cache_initialized)
|
|
{
|
|
hash_init(&prof_cache[PROF_HTAB_FUNCS]);
|
|
hash_init(&prof_cache[PROF_HTAB_FILES]);
|
|
prof_cache_initialized = TRUE;
|
|
}
|
|
|
|
hashtab_T *ht;
|
|
for (ht = &prof_cache[0]; ht < &prof_cache[N_PROF_HTAB]; ht++)
|
|
{
|
|
if (ht->ht_used > 0)
|
|
{
|
|
#if defined(PROF_CACHE_LOG)
|
|
int idx = ht == &prof_cache[PROF_HTAB_FUNCS]
|
|
? PROF_HTAB_FUNCS : PROF_HTAB_FILES;
|
|
ch_log(NULL, "prof_clear_cache: %s, used: %ld, lookups: %d",
|
|
idx == PROF_HTAB_FUNCS ? "function" : "script",
|
|
ht->ht_used, count_lookups[idx]);
|
|
count_lookups[idx] = 0;
|
|
#endif
|
|
hash_clear_all(ht, offsetof(profentry_T, pen_name));
|
|
hash_init(ht);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Common code for dbg_find_breakpoint() and has_profiling().
|
|
*/
|
|
static linenr_T
|
|
debuggy_find(
|
|
int is_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 = NULL;
|
|
char_u *short_name = fname;
|
|
int prev_got_int;
|
|
|
|
// Return quickly when there are no breakpoints.
|
|
if (gap->ga_len == 0)
|
|
return (linenr_T)0;
|
|
|
|
// For a script-local function remove the prefix, so that
|
|
// "profile func Func" matches "Func" in any script. Otherwise it's very
|
|
// difficult to profile/debug a script-local function. It may match a
|
|
// function in the wrong script, but that is much better than not being
|
|
// able to profile/debug a function in a script with unknown ID.
|
|
// Also match a script-specific name.
|
|
if (!is_file && fname[0] == K_SPECIAL)
|
|
{
|
|
short_name = vim_strchr(fname, '_') + 1;
|
|
name = alloc(STRLEN(fname) + 3);
|
|
if (name != NULL)
|
|
{
|
|
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) == is_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 ((name != NULL
|
|
&& vim_regexec_prog(&bp->dbg_prog, FALSE, name, (colnr_T)0))
|
|
|| vim_regexec_prog(&bp->dbg_prog, FALSE,
|
|
short_name, (colnr_T)0))
|
|
{
|
|
lnum = bp->dbg_lnum;
|
|
if (fp != NULL)
|
|
*fp = bp->dbg_forceit;
|
|
}
|
|
got_int |= prev_got_int;
|
|
#ifdef FEAT_PROFILE
|
|
if (lnum && gap == &prof_ga)
|
|
break;
|
|
#endif
|
|
}
|
|
#ifdef FEAT_EVAL
|
|
else if (bp->dbg_type == DBG_EXPR)
|
|
{
|
|
typval_T *tv;
|
|
int line = FALSE;
|
|
|
|
tv = eval_expr_no_emsg(bp);
|
|
if (tv != NULL)
|
|
{
|
|
if (bp->dbg_val == NULL)
|
|
{
|
|
debug_oldval = typval_tostring(NULL, TRUE);
|
|
bp->dbg_val = tv;
|
|
debug_newval = typval_tostring(bp->dbg_val, TRUE);
|
|
line = TRUE;
|
|
}
|
|
else
|
|
{
|
|
// Use "==" instead of "is" for strings, that is what we
|
|
// always have done.
|
|
exprtype_T type = tv->v_type == VAR_STRING
|
|
? EXPR_EQUAL : EXPR_IS;
|
|
|
|
if (typval_compare(tv, bp->dbg_val, type, FALSE) == OK
|
|
&& tv->vval.v_number == FALSE)
|
|
{
|
|
typval_T *v;
|
|
|
|
line = TRUE;
|
|
debug_oldval = typval_tostring(bp->dbg_val, TRUE);
|
|
// Need to evaluate again, typval_compare() overwrites
|
|
// "tv".
|
|
v = eval_expr_no_emsg(bp);
|
|
debug_newval = typval_tostring(v, TRUE);
|
|
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, TRUE);
|
|
debug_newval = typval_tostring(NULL, TRUE);
|
|
free_tv(bp->dbg_val);
|
|
bp->dbg_val = NULL;
|
|
line = TRUE;
|
|
}
|
|
|
|
if (line)
|
|
{
|
|
lnum = after > 0 ? after : 1;
|
|
break;
|
|
}
|
|
}
|
|
#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
|