Patch 8.2.1491
Problem: Vim9: crash when compiling heredoc lines start with comment.
Solution: Skip over NULL pointers. Do not remove comment and empty lines
when fetching function lines. (closes #6743)
Files: src/vim9compile.c, src/scriptfile.c, src/proto/scriptfile.pro,
src/structs.h, src/ex_docmd.c, src/proto/ex_docmd.pro,
src/ex_cmds.h, src/autocmd.c, src/proto/autocmd.pro,
src/ex_getln.c, src/proto/ex_getln.pro, src/userfunc.c,
src/proto/userfunc.pro, src/evalfunc.c,
src/testdir/test_vim9_script.vim
*** ../vim-8.2.1490/src/vim9compile.c 2020-08-19 22:02:38.195375849 +0200
--- src/vim9compile.c 2020-08-20 14:46:15.223927297 +0200
***************
*** 4197,4214 ****
int c UNUSED,
void *cookie,
int indent UNUSED,
! int do_concat UNUSED)
{
cctx_T *cctx = (cctx_T *)cookie;
! if (cctx->ctx_lnum == cctx->ctx_ufunc->uf_lines.ga_len)
{
! iemsg("Heredoc got to end");
! return NULL;
}
- ++cctx->ctx_lnum;
- return vim_strsave(((char_u **)cctx->ctx_ufunc->uf_lines.ga_data)
- [cctx->ctx_lnum]);
}
/*
--- 4197,4217 ----
int c UNUSED,
void *cookie,
int indent UNUSED,
! getline_opt_T options UNUSED)
{
cctx_T *cctx = (cctx_T *)cookie;
+ char_u *p;
! for (;;)
{
! if (cctx->ctx_lnum == cctx->ctx_ufunc->uf_lines.ga_len)
! return NULL;
! ++cctx->ctx_lnum;
! p = ((char_u **)cctx->ctx_ufunc->uf_lines.ga_data)[cctx->ctx_lnum];
! // Comment lines result in NULL pointers, skip them.
! if (p != NULL)
! return vim_strsave(p);
}
}
/*
*** ../vim-8.2.1490/src/scriptfile.c 2020-08-18 22:31:41.664654206 +0200
--- src/scriptfile.c 2020-08-20 14:35:05.494505500 +0200
***************
*** 1604,1610 ****
#endif
linenr_T
! get_sourced_lnum(char_u *(*fgetline)(int, void *, int, int), void *cookie)
{
return fgetline == getsourceline
? ((struct source_cookie *)cookie)->sourcing_lnum
--- 1604,1612 ----
#endif
linenr_T
! get_sourced_lnum(
! char_u *(*fgetline)(int, void *, int, getline_opt_T),
! void *cookie)
{
return fgetline == getsourceline
? ((struct source_cookie *)cookie)->sourcing_lnum
***************
*** 1724,1730 ****
* Return NULL for end-of-file or some error.
*/
char_u *
! getsourceline(int c UNUSED, void *cookie, int indent UNUSED, int do_concat)
{
struct source_cookie *sp = (struct source_cookie *)cookie;
char_u *line;
--- 1726,1736 ----
* Return NULL for end-of-file or some error.
*/
char_u *
! getsourceline(
! int c UNUSED,
! void *cookie,
! int indent UNUSED,
! getline_opt_T options)
{
struct source_cookie *sp = (struct source_cookie *)cookie;
char_u *line;
***************
*** 1765,1771 ****
// Only concatenate lines starting with a \ when 'cpoptions' doesn't
// contain the 'C' flag.
! if (line != NULL && do_concat && vim_strchr(p_cpo, CPO_CONCAT) == NULL)
{
// compensate for the one line read-ahead
--sp->sourcing_lnum;
--- 1771,1778 ----
// Only concatenate lines starting with a \ when 'cpoptions' doesn't
// contain the 'C' flag.
! if (line != NULL && options != GETLINE_NONE
! && vim_strchr(p_cpo, CPO_CONCAT) == NULL)
{
// compensate for the one line read-ahead
--sp->sourcing_lnum;
***************
*** 1781,1787 ****
|| (p[0] == '"' && p[1] == '\\' && p[2] == ' ')
#ifdef FEAT_EVAL
|| (in_vim9script()
! && (*p == NUL || vim9_comment_start(p)))
#endif
))
{
--- 1788,1795 ----
|| (p[0] == '"' && p[1] == '\\' && p[2] == ' ')
#ifdef FEAT_EVAL
|| (in_vim9script()
! && options == GETLINE_CONCAT_ALL
! && (*p == NUL || vim9_comment_start(p)))
#endif
))
{
***************
*** 1814,1820 ****
else if (!(p[0] == '"' && p[1] == '\\' && p[2] == ' ')
#ifdef FEAT_EVAL
&& !(in_vim9script()
! && (*p == NUL || vim9_comment_start(p)))
#endif
)
break;
--- 1822,1829 ----
else if (!(p[0] == '"' && p[1] == '\\' && p[2] == ' ')
#ifdef FEAT_EVAL
&& !(in_vim9script()
! && options == GETLINE_CONCAT_ALL
! && (*p == NUL || vim9_comment_start(p)))
#endif
)
break;
***************
*** 1968,1974 ****
*/
int
source_finished(
! char_u *(*fgetline)(int, void *, int, int),
void *cookie)
{
return (getline_equal(fgetline, cookie, getsourceline)
--- 1977,1983 ----
*/
int
source_finished(
! char_u *(*fgetline)(int, void *, int, getline_opt_T),
void *cookie)
{
return (getline_equal(fgetline, cookie, getsourceline)
*** ../vim-8.2.1490/src/proto/scriptfile.pro 2020-07-26 15:36:12.963172976
+0200
--- src/proto/scriptfile.pro 2020-08-20 14:35:10.910481828 +0200
***************
*** 29,41 ****
char_u *get_scriptname(scid_T id);
void free_scriptnames(void);
void free_autoload_scriptnames(void);
! linenr_T get_sourced_lnum(char_u *(*fgetline)(int, void *, int, int), void
*cookie);
! char_u *getsourceline(int c, void *cookie, int indent, int do_concat);
void ex_scriptencoding(exarg_T *eap);
void ex_scriptversion(exarg_T *eap);
void ex_finish(exarg_T *eap);
void do_finish(exarg_T *eap, int reanimate);
! int source_finished(char_u *(*fgetline)(int, void *, int, int), void *cookie);
char_u *autoload_name(char_u *name);
int script_autoload(char_u *name, int reload);
/* vim: set ft=c : */
--- 29,41 ----
char_u *get_scriptname(scid_T id);
void free_scriptnames(void);
void free_autoload_scriptnames(void);
! linenr_T get_sourced_lnum(char_u *(*fgetline)(int, void *, int,
getline_opt_T), void *cookie);
! char_u *getsourceline(int c, void *cookie, int indent, getline_opt_T options);
void ex_scriptencoding(exarg_T *eap);
void ex_scriptversion(exarg_T *eap);
void ex_finish(exarg_T *eap);
void do_finish(exarg_T *eap, int reanimate);
! int source_finished(char_u *(*fgetline)(int, void *, int, getline_opt_T),
void *cookie);
char_u *autoload_name(char_u *name);
int script_autoload(char_u *name, int reload);
/* vim: set ft=c : */
*** ../vim-8.2.1490/src/structs.h 2020-08-11 21:58:12.585968185 +0200
--- src/structs.h 2020-08-20 14:36:36.562116026 +0200
***************
*** 1761,1766 ****
--- 1761,1773 ----
# endif
} scriptitem_T;
+ // type of getline() last argument
+ typedef enum {
+ GETLINE_NONE, // do not concatenate any lines
+ GETLINE_CONCAT_CONT, // concatenate continuation lines
+ GETLINE_CONCAT_ALL // concatenate continuation and Vim9 #
comment lines
+ } getline_opt_T;
+
// Struct passed through eval() functions.
// See EVALARG_EVALUATE for a fixed value with eval_flags set to
EVAL_EVALUATE.
typedef struct {
***************
*** 1768,1774 ****
int eval_break_count; // nr of line breaks consumed
// copied from exarg_T when "getline" is "getsourceline". Can be NULL.
! char_u *(*eval_getline)(int, void *, int, int);
void *eval_cookie; // argument for eval_getline()
// used when compiling a :def function, NULL otherwise
--- 1775,1781 ----
int eval_break_count; // nr of line breaks consumed
// copied from exarg_T when "getline" is "getsourceline". Can be NULL.
! char_u *(*eval_getline)(int, void *, int, getline_opt_T);
void *eval_cookie; // argument for eval_getline()
// used when compiling a :def function, NULL otherwise
*** ../vim-8.2.1490/src/ex_docmd.c 2020-08-17 19:34:06.961427079 +0200
--- src/ex_docmd.c 2020-08-20 14:17:19.866484340 +0200
***************
*** 612,618 ****
int
do_cmdline(
char_u *cmdline,
! char_u *(*fgetline)(int, void *, int, int),
void *cookie, // argument for fgetline()
int flags)
{
--- 612,618 ----
int
do_cmdline(
char_u *cmdline,
! char_u *(*fgetline)(int, void *, int, getline_opt_T),
void *cookie, // argument for fgetline()
int flags)
{
***************
*** 638,644 ****
msglist_T *private_msg_list;
// "fgetline" and "cookie" passed to do_one_cmd()
! char_u *(*cmd_getline)(int, void *, int, int);
void *cmd_cookie;
struct loop_cookie cmd_loop_cookie;
void *real_cookie;
--- 638,644 ----
msglist_T *private_msg_list;
// "fgetline" and "cookie" passed to do_one_cmd()
! char_u *(*cmd_getline)(int, void *, int, getline_opt_T);
void *cmd_cookie;
struct loop_cookie cmd_loop_cookie;
void *real_cookie;
***************
*** 1482,1490 ****
*/
int
getline_equal(
! char_u *(*fgetline)(int, void *, int, int),
void *cookie UNUSED, // argument for fgetline()
! char_u *(*func)(int, void *, int, int))
{
#ifdef FEAT_EVAL
char_u *(*gp)(int, void *, int, int);
--- 1482,1490 ----
*/
int
getline_equal(
! char_u *(*fgetline)(int, void *, int, getline_opt_T),
void *cookie UNUSED, // argument for fgetline()
! char_u *(*func)(int, void *, int, getline_opt_T))
{
#ifdef FEAT_EVAL
char_u *(*gp)(int, void *, int, int);
***************
*** 1512,1518 ****
*/
void *
getline_cookie(
! char_u *(*fgetline)(int, void *, int, int) UNUSED,
void *cookie) // argument for fgetline()
{
#ifdef FEAT_EVAL
--- 1512,1518 ----
*/
void *
getline_cookie(
! char_u *(*fgetline)(int, void *, int, getline_opt_T) UNUSED,
void *cookie) // argument for fgetline()
{
#ifdef FEAT_EVAL
***************
*** 1541,1547 ****
*/
char_u *
getline_peek(
! char_u *(*fgetline)(int, void *, int, int) UNUSED,
void *cookie) // argument for fgetline()
{
char_u *(*gp)(int, void *, int, int);
--- 1541,1547 ----
*/
char_u *
getline_peek(
! char_u *(*fgetline)(int, void *, int, getline_opt_T) UNUSED,
void *cookie) // argument for fgetline()
{
char_u *(*gp)(int, void *, int, int);
*** ../vim-8.2.1490/src/proto/ex_docmd.pro 2020-07-23 16:36:59.828375424
+0200
--- src/proto/ex_docmd.pro 2020-08-20 14:17:22.358477236 +0200
***************
*** 1,10 ****
/* ex_docmd.c */
void do_exmode(int improved);
int do_cmdline_cmd(char_u *cmd);
! int do_cmdline(char_u *cmdline, char_u *(*fgetline)(int, void *, int, int),
void *cookie, int flags);
! int getline_equal(char_u *(*fgetline)(int, void *, int, int), void *cookie,
char_u *(*func)(int, void *, int, int));
! void *getline_cookie(char_u *(*fgetline)(int, void *, int, int), void
*cookie);
! char_u *getline_peek(char_u *(*fgetline)(int, void *, int, int), void
*cookie);
char *ex_errmsg(char *msg, char_u *arg);
int parse_command_modifiers(exarg_T *eap, char **errormsg, int skip_only);
void undo_cmdmod(exarg_T *eap, int save_msg_scroll);
--- 1,10 ----
/* ex_docmd.c */
void do_exmode(int improved);
int do_cmdline_cmd(char_u *cmd);
! int do_cmdline(char_u *cmdline, char_u *(*fgetline)(int, void *, int,
getline_opt_T), void *cookie, int flags);
! int getline_equal(char_u *(*fgetline)(int, void *, int, getline_opt_T), void
*cookie, char_u *(*func)(int, void *, int, getline_opt_T));
! void *getline_cookie(char_u *(*fgetline)(int, void *, int, getline_opt_T),
void *cookie);
! char_u *getline_peek(char_u *(*fgetline)(int, void *, int, getline_opt_T),
void *cookie);
char *ex_errmsg(char *msg, char_u *arg);
int parse_command_modifiers(exarg_T *eap, char **errormsg, int skip_only);
void undo_cmdmod(exarg_T *eap, int save_msg_scroll);
*** ../vim-8.2.1490/src/ex_cmds.h 2020-08-12 21:58:09.000049823 +0200
--- src/ex_cmds.h 2020-08-20 14:09:34.743809352 +0200
***************
*** 1867,1873 ****
int bad_char; // BAD_KEEP, BAD_DROP or replacement
byte
int useridx; // user command index
char *errmsg; // returned error message
! char_u *(*getline)(int, void *, int, int);
void *cookie; // argument for getline()
#ifdef FEAT_EVAL
cstack_T *cstack; // condition stack for ":if" etc.
--- 1867,1873 ----
int bad_char; // BAD_KEEP, BAD_DROP or replacement
byte
int useridx; // user command index
char *errmsg; // returned error message
! char_u *(*getline)(int, void *, int, getline_opt_T);
void *cookie; // argument for getline()
#ifdef FEAT_EVAL
cstack_T *cstack; // condition stack for ":if" etc.
*** ../vim-8.2.1490/src/autocmd.c 2020-06-12 22:15:26.617016573 +0200
--- src/autocmd.c 2020-08-20 14:12:02.163388925 +0200
***************
*** 2310,2316 ****
* Returns allocated string, or NULL for end of autocommands.
*/
char_u *
! getnextac(int c UNUSED, void *cookie, int indent UNUSED, int do_concat UNUSED)
{
AutoPatCmd *acp = (AutoPatCmd *)cookie;
char_u *retval;
--- 2310,2320 ----
* Returns allocated string, or NULL for end of autocommands.
*/
char_u *
! getnextac(
! int c UNUSED,
! void *cookie,
! int indent UNUSED,
! getline_opt_T options UNUSED)
{
AutoPatCmd *acp = (AutoPatCmd *)cookie;
char_u *retval;
*** ../vim-8.2.1490/src/proto/autocmd.pro 2020-06-12 22:15:26.617016573
+0200
--- src/proto/autocmd.pro 2020-08-20 14:12:25.027323779 +0200
***************
*** 28,34 ****
void block_autocmds(void);
void unblock_autocmds(void);
int is_autocmd_blocked(void);
! char_u *getnextac(int c, void *cookie, int indent, int do_concat);
int has_autocmd(event_T event, char_u *sfname, buf_T *buf);
char_u *get_augroup_name(expand_T *xp, int idx);
char_u *set_context_in_autocmd(expand_T *xp, char_u *arg, int doautocmd);
--- 28,34 ----
void block_autocmds(void);
void unblock_autocmds(void);
int is_autocmd_blocked(void);
! char_u *getnextac(int c, void *cookie, int indent, getline_opt_T options);
int has_autocmd(event_T event, char_u *sfname, buf_T *buf);
char_u *get_augroup_name(expand_T *xp, int idx);
char_u *set_context_in_autocmd(expand_T *xp, char_u *arg, int doautocmd);
*** ../vim-8.2.1490/src/ex_getln.c 2020-06-07 15:46:08.314414830 +0200
--- src/ex_getln.c 2020-08-20 14:13:10.155195219 +0200
***************
*** 2705,2716 ****
int c, // normally ':', NUL for ":append"
void *cookie UNUSED,
int indent, // indent for inside conditionals
! int do_concat)
{
// When executing a register, remove ':' that's in front of each line.
if (exec_from_reg && vpeekc() == ':')
(void)vgetc();
! return getcmdline(c, 1L, indent, do_concat);
}
/*
--- 2705,2716 ----
int c, // normally ':', NUL for ":append"
void *cookie UNUSED,
int indent, // indent for inside conditionals
! getline_opt_T options)
{
// When executing a register, remove ':' that's in front of each line.
if (exec_from_reg && vpeekc() == ':')
(void)vgetc();
! return getcmdline(c, 1L, indent, options);
}
/*
***************
*** 2725,2731 ****
// :s prompt
void *cookie UNUSED,
int indent, // indent for inside conditionals
! int do_concat UNUSED)
{
garray_T line_ga;
char_u *pend;
--- 2725,2731 ----
// :s prompt
void *cookie UNUSED,
int indent, // indent for inside conditionals
! getline_opt_T options UNUSED)
{
garray_T line_ga;
char_u *pend;
*** ../vim-8.2.1490/src/proto/ex_getln.pro 2020-04-30 22:29:36.626024141
+0200
--- src/proto/ex_getln.pro 2020-08-20 14:13:40.111109877 +0200
***************
*** 9,16 ****
int text_locked(void);
int curbuf_locked(void);
int allbuf_locked(void);
! char_u *getexline(int c, void *cookie, int indent, int do_concat);
! char_u *getexmodeline(int promptc, void *cookie, int indent, int do_concat);
int cmdline_overstrike(void);
int cmdline_at_end(void);
colnr_T cmdline_getvcol_cursor(void);
--- 9,16 ----
int text_locked(void);
int curbuf_locked(void);
int allbuf_locked(void);
! char_u *getexline(int c, void *cookie, int indent, getline_opt_T options);
! char_u *getexmodeline(int promptc, void *cookie, int indent, getline_opt_T
options);
int cmdline_overstrike(void);
int cmdline_at_end(void);
colnr_T cmdline_getvcol_cursor(void);
*** ../vim-8.2.1490/src/userfunc.c 2020-08-15 16:33:24.501747305 +0200
--- src/userfunc.c 2020-08-20 14:42:48.976666092 +0200
***************
*** 2651,2657 ****
static int func_nr = 0; // number for nameless function
int paren;
hashitem_T *hi;
! int do_concat = TRUE;
linenr_T sourcing_lnum_off;
linenr_T sourcing_lnum_top;
int is_heredoc = FALSE;
--- 2651,2657 ----
static int func_nr = 0; // number for nameless function
int paren;
hashitem_T *hi;
! getline_opt_T getline_options = GETLINE_CONCAT_CONT;
linenr_T sourcing_lnum_off;
linenr_T sourcing_lnum_top;
int is_heredoc = FALSE;
***************
*** 3008,3016 ****
{
vim_free(line_to_free);
if (eap->getline == NULL)
! theline = getcmdline(':', 0L, indent, do_concat);
else
! theline = eap->getline(':', eap->cookie, indent, do_concat);
line_to_free = theline;
}
if (KeyTyped)
--- 3008,3017 ----
{
vim_free(line_to_free);
if (eap->getline == NULL)
! theline = getcmdline(':', 0L, indent, getline_options);
else
! theline = eap->getline(':', eap->cookie, indent,
! getline_options);
line_to_free = theline;
}
if (KeyTyped)
***************
*** 3053,3059 ****
{
VIM_CLEAR(skip_until);
VIM_CLEAR(heredoc_trimmed);
! do_concat = TRUE;
is_heredoc = FALSE;
}
}
--- 3054,3060 ----
{
VIM_CLEAR(skip_until);
VIM_CLEAR(heredoc_trimmed);
! getline_options = GETLINE_CONCAT_CONT;
is_heredoc = FALSE;
}
}
***************
*** 3178,3184 ****
skip_until = vim_strsave((char_u *)".");
else
skip_until = vim_strnsave(p, skiptowhite(p) - p);
! do_concat = FALSE;
is_heredoc = TRUE;
}
--- 3179,3185 ----
skip_until = vim_strsave((char_u *)".");
else
skip_until = vim_strnsave(p, skiptowhite(p) - p);
! getline_options = GETLINE_NONE;
is_heredoc = TRUE;
}
***************
*** 3205,3211 ****
skipwhite(theline) - theline);
}
skip_until = vim_strnsave(p, skiptowhite(p) - p);
! do_concat = FALSE;
is_heredoc = TRUE;
}
}
--- 3206,3212 ----
skipwhite(theline) - theline);
}
skip_until = vim_strnsave(p, skiptowhite(p) - p);
! getline_options = GETLINE_NONE;
is_heredoc = TRUE;
}
}
***************
*** 4249,4255 ****
int c UNUSED,
void *cookie,
int indent UNUSED,
! int do_concat UNUSED)
{
funccall_T *fcp = (funccall_T *)cookie;
ufunc_T *fp = fcp->func;
--- 4250,4256 ----
int c UNUSED,
void *cookie,
int indent UNUSED,
! getline_opt_T options UNUSED)
{
funccall_T *fcp = (funccall_T *)cookie;
ufunc_T *fp = fcp->func;
*** ../vim-8.2.1490/src/proto/userfunc.pro 2020-07-31 23:47:08.017231395
+0200
--- src/proto/userfunc.pro 2020-08-20 14:35:49.634314497 +0200
***************
*** 46,52 ****
int do_return(exarg_T *eap, int reanimate, int is_cmd, void *rettv);
void discard_pending_return(void *rettv);
char_u *get_return_cmd(void *rettv);
! char_u *get_func_line(int c, void *cookie, int indent, int do_concat);
int func_has_ended(void *cookie);
int func_has_abort(void *cookie);
dict_T *make_partial(dict_T *selfdict_in, typval_T *rettv);
--- 46,52 ----
int do_return(exarg_T *eap, int reanimate, int is_cmd, void *rettv);
void discard_pending_return(void *rettv);
char_u *get_return_cmd(void *rettv);
! char_u *get_func_line(int c, void *cookie, int indent, getline_opt_T options);
int func_has_ended(void *cookie);
int func_has_abort(void *cookie);
dict_T *make_partial(dict_T *selfdict_in, typval_T *rettv);
*** ../vim-8.2.1490/src/evalfunc.c 2020-08-18 13:41:47.215350419 +0200
--- src/evalfunc.c 2020-08-20 14:32:17.247278655 +0200
***************
*** 2198,2210 ****
* Called by do_cmdline() to get the next line.
* Returns allocated string, or NULL for end of function.
*/
-
static char_u *
get_list_line(
int c UNUSED,
void *cookie,
int indent UNUSED,
! int do_concat UNUSED)
{
listitem_T **p = (listitem_T **)cookie;
listitem_T *item = *p;
--- 2198,2209 ----
* Called by do_cmdline() to get the next line.
* Returns allocated string, or NULL for end of function.
*/
static char_u *
get_list_line(
int c UNUSED,
void *cookie,
int indent UNUSED,
! getline_opt_T options UNUSED)
{
listitem_T **p = (listitem_T **)cookie;
listitem_T *item = *p;
*** ../vim-8.2.1490/src/testdir/test_vim9_script.vim 2020-08-19
22:02:38.199375840 +0200
--- src/testdir/test_vim9_script.vim 2020-08-20 14:50:06.915129527 +0200
***************
*** 1141,1146 ****
--- 1141,1157 ----
assert_equal(['one', 'two', 'three'], mylist)
END
CheckScriptSuccess(lines)
+
+ # check all lines from heredoc are kept
+ lines =<< trim END
+ # comment 1
+ two
+ # comment 3
+
+ five
+ # comment 6
+ END
+ assert_equal(['# comment 1', 'two', '# comment 3', '', 'five', '# comment
6'], lines)
enddef
if has('channel')
*** ../vim-8.2.1490/src/version.c 2020-08-19 22:02:38.199375840 +0200
--- src/version.c 2020-08-20 13:27:02.075256127 +0200
***************
*** 756,757 ****
--- 756,759 ----
{ /* Add new patch number below this line */
+ /**/
+ 1491,
/**/
--
hundred-and-one symptoms of being an internet addict:
245. You use Real Audio to listen to a radio station from a distant
city rather than turn on your stereo system.
/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\ an exciting new programming language -- http://www.Zimbu.org ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
--
--
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