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To: vim-dev@vim.org
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Subject: patch 7.1.086
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Fcc: outbox
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From: Bram Moolenaar <Bram@moolenaar.net>
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Mime-Version: 1.0
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Content-Type: text/plain; charset=ISO-8859-1
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Content-Transfer-Encoding: 8bit
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------------
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Patch 7.1.086
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Problem: Crash when using specific Python syntax highlighting. (Quirk)
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Solution: Check for a negative index, coming from a keyword match at the
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start of a line from a saved state.
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Files: src/syntax.c
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*** ../vim-7.1.085/src/syntax.c Tue Aug 14 23:06:51 2007
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--- src/syntax.c Tue Aug 21 17:13:51 2007
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***************
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*** 279,285 ****
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*/
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typedef struct state_item
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{
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! int si_idx; /* index of syntax pattern */
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int si_id; /* highlight group ID for keywords */
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int si_trans_id; /* idem, transparancy removed */
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int si_m_lnum; /* lnum of the match */
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--- 279,286 ----
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*/
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typedef struct state_item
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{
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! int si_idx; /* index of syntax pattern or
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! KEYWORD_IDX */
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int si_id; /* highlight group ID for keywords */
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int si_trans_id; /* idem, transparancy removed */
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int si_m_lnum; /* lnum of the match */
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***************
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*** 837,845 ****
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current_lnum = end_lnum;
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break;
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}
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! spp = &(SYN_ITEMS(syn_buf)[cur_si->si_idx]);
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! found_flags = spp->sp_flags;
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! found_match_idx = spp->sp_sync_idx;
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found_current_lnum = current_lnum;
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found_current_col = current_col;
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found_m_endpos = cur_si->si_m_endpos;
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--- 838,855 ----
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current_lnum = end_lnum;
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break;
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}
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! if (cur_si->si_idx < 0)
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! {
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! /* Cannot happen? */
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! found_flags = 0;
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! found_match_idx = KEYWORD_IDX;
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! }
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! else
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! {
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! spp = &(SYN_ITEMS(syn_buf)[cur_si->si_idx]);
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! found_flags = spp->sp_flags;
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! found_match_idx = spp->sp_sync_idx;
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! }
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found_current_lnum = current_lnum;
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found_current_col = current_col;
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found_m_endpos = cur_si->si_m_endpos;
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***************
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*** 2533,2538 ****
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--- 2543,2552 ----
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stateitem_T *sip = &CUR_STATE(idx);
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synpat_T *spp;
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+ /* This should not happen... */
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+ if (sip->si_idx < 0)
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+ return;
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+
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spp = &(SYN_ITEMS(syn_buf)[sip->si_idx]);
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if (sip->si_flags & HL_MATCH)
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sip->si_id = spp->sp_syn_match_id;
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***************
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*** 2648,2653 ****
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--- 2662,2671 ----
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lpos_T end_endpos;
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int end_idx;
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+ /* return quickly for a keyword */
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+ if (sip->si_idx < 0)
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+ return;
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+
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/* Don't update when it's already done. Can be a match of an end pattern
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* that started in a previous line. Watch out: can also be a "keepend"
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* from a containing item. */
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***************
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*** 2759,2764 ****
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--- 2777,2786 ----
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lpos_T pos;
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char_u *line;
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int had_match = FALSE;
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+
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+ /* just in case we are invoked for a keyword */
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+ if (idx < 0)
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+ return;
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/*
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* Check for being called with a START pattern.
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*** ../vim-7.1.085/src/version.c Tue Aug 21 15:28:32 2007
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--- src/version.c Tue Aug 21 17:21:06 2007
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***************
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*** 668,669 ****
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--- 668,671 ----
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{ /* Add new patch number below this line */
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+ /**/
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+ 86,
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/**/
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--
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hundred-and-one symptoms of being an internet addict:
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222. You send more than 20 personal e-mails a day.
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/// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
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/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
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\\\ download, build and distribute -- http://www.A-A-P.org ///
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\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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