diff options
Diffstat (limited to 'src/nvim/syntax.c')
| -rw-r--r-- | src/nvim/syntax.c | 57 |
1 files changed, 34 insertions, 23 deletions
diff --git a/src/nvim/syntax.c b/src/nvim/syntax.c index 547d953be9..d204968c0f 100644 --- a/src/nvim/syntax.c +++ b/src/nvim/syntax.c @@ -59,7 +59,9 @@ struct hl_group { bool sg_cleared; ///< "hi clear" was used int sg_attr; ///< Screen attr @see ATTR_ENTRY int sg_link; ///< link to this highlight group ID + int sg_deflink; ///< default link; restored in highlight_clear() int sg_set; ///< combination of flags in \ref SG_SET + sctx_T sg_deflink_sctx; ///< script where the default link was set sctx_T sg_script_ctx; ///< script in which the group was last set // for terminal UIs int sg_cterm; ///< "cterm=" highlighting attr @@ -6601,6 +6603,7 @@ void do_highlight(const char *line, const bool forceit, const bool init) const char *to_end; int from_id; int to_id; + struct hl_group *hlgroup = NULL; from_end = (const char *)skiptowhite((const char_u *)from_start); to_start = (const char *)skipwhite((const char_u *)from_end); @@ -6627,7 +6630,16 @@ void do_highlight(const char *line, const bool forceit, const bool init) (int)(to_end - to_start)); } - if (from_id > 0 && (!init || HL_TABLE()[from_id - 1].sg_set == 0)) { + if (from_id > 0) { + hlgroup = &HL_TABLE()[from_id - 1]; + if (dodefault && (forceit || hlgroup->sg_deflink == 0)) { + hlgroup->sg_deflink = to_id; + hlgroup->sg_deflink_sctx = current_sctx; + hlgroup->sg_deflink_sctx.sc_lnum += sourcing_lnum; + } + } + + if (from_id > 0 && (!init || hlgroup->sg_set == 0)) { // Don't allow a link when there already is some highlighting // for the group, unless '!' is used if (to_id > 0 && !forceit && !init @@ -6635,17 +6647,16 @@ void do_highlight(const char *line, const bool forceit, const bool init) if (sourcing_name == NULL && !dodefault) { EMSG(_("E414: group has settings, highlight link ignored")); } - } else if (HL_TABLE()[from_id - 1].sg_link != to_id - || HL_TABLE()[from_id - 1].sg_script_ctx.sc_sid - != current_sctx.sc_sid - || HL_TABLE()[from_id - 1].sg_cleared) { + } else if (hlgroup->sg_link != to_id + || hlgroup->sg_script_ctx.sc_sid != current_sctx.sc_sid + || hlgroup->sg_cleared) { if (!init) { - HL_TABLE()[from_id - 1].sg_set |= SG_LINK; + hlgroup->sg_set |= SG_LINK; } - HL_TABLE()[from_id - 1].sg_link = to_id; - HL_TABLE()[from_id - 1].sg_script_ctx = current_sctx; - HL_TABLE()[from_id - 1].sg_script_ctx.sc_lnum += sourcing_lnum; - HL_TABLE()[from_id - 1].sg_cleared = false; + hlgroup->sg_link = to_id; + hlgroup->sg_script_ctx = current_sctx; + hlgroup->sg_script_ctx.sc_lnum += sourcing_lnum; + hlgroup->sg_cleared = false; redraw_all_later(SOME_VALID); // Only call highlight changed() once after multiple changes @@ -7076,13 +7087,14 @@ void restore_cterm_colors(void) */ static int hl_has_settings(int idx, int check_link) { - return HL_TABLE()[idx].sg_attr != 0 - || HL_TABLE()[idx].sg_cterm_fg != 0 - || HL_TABLE()[idx].sg_cterm_bg != 0 - || HL_TABLE()[idx].sg_rgb_fg_name != NULL - || HL_TABLE()[idx].sg_rgb_bg_name != NULL - || HL_TABLE()[idx].sg_rgb_sp_name != NULL - || (check_link && (HL_TABLE()[idx].sg_set & SG_LINK)); + return HL_TABLE()[idx].sg_cleared == 0 + && (HL_TABLE()[idx].sg_attr != 0 + || HL_TABLE()[idx].sg_cterm_fg != 0 + || HL_TABLE()[idx].sg_cterm_bg != 0 + || HL_TABLE()[idx].sg_rgb_fg_name != NULL + || HL_TABLE()[idx].sg_rgb_bg_name != NULL + || HL_TABLE()[idx].sg_rgb_sp_name != NULL + || (check_link && (HL_TABLE()[idx].sg_set & SG_LINK))); } /* @@ -7105,12 +7117,11 @@ static void highlight_clear(int idx) XFREE_CLEAR(HL_TABLE()[idx].sg_rgb_bg_name); XFREE_CLEAR(HL_TABLE()[idx].sg_rgb_sp_name); HL_TABLE()[idx].sg_blend = -1; - // Clear the script ID only when there is no link, since that is not - // cleared. - if (HL_TABLE()[idx].sg_link == 0) { - HL_TABLE()[idx].sg_script_ctx.sc_sid = 0; - HL_TABLE()[idx].sg_script_ctx.sc_lnum = 0; - } + // Restore default link and context if they exist. Otherwise clears. + HL_TABLE()[idx].sg_link = HL_TABLE()[idx].sg_deflink; + // Since we set the default link, set the location to where the default + // link was set. + HL_TABLE()[idx].sg_script_ctx = HL_TABLE()[idx].sg_deflink_sctx; } |