Adding upstream version 2:8.1.0875.upstream/2%8.1.0875upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 4460 insertions, 0 deletions

diff --git a/src/indent.c b/src/indent.c
new file mode 100644
index 0000000..1ffa766
--- /dev/null
+++ b/src/indent.c
@@ -0,0 +1,4460 @@
+/* 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.
+ */
+
+/*
+ * indent.c: Indentation related functions
+ */
+
+#include "vim.h"
+
+#if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT)
+
+/*
+ * Return TRUE if the string "line" starts with a word from 'cinwords'.
+ */
+    int
+cin_is_cinword(char_u *line)
+{
+    char_u	*cinw;
+    char_u	*cinw_buf;
+    int		cinw_len;
+    int		retval = FALSE;
+    int		len;
+
+    cinw_len = (int)STRLEN(curbuf->b_p_cinw) + 1;
+    cinw_buf = alloc((unsigned)cinw_len);
+    if (cinw_buf != NULL)
+    {
+	line = skipwhite(line);
+	for (cinw = curbuf->b_p_cinw; *cinw; )
+	{
+	    len = copy_option_part(&cinw, cinw_buf, cinw_len, ",");
+	    if (STRNCMP(line, cinw_buf, len) == 0
+		    && (!vim_iswordc(line[len]) || !vim_iswordc(line[len - 1])))
+	    {
+		retval = TRUE;
+		break;
+	    }
+	}
+	vim_free(cinw_buf);
+    }
+    return retval;
+}
+#endif
+
+#if defined(FEAT_CINDENT) || defined(FEAT_SYN_HL)
+
+static char_u	*skip_string(char_u *p);
+static pos_T *find_start_rawstring(int ind_maxcomment);
+
+/*
+ * Find the start of a comment, not knowing if we are in a comment right now.
+ * Search starts at w_cursor.lnum and goes backwards.
+ * Return NULL when not inside a comment.
+ */
+    static pos_T *
+ind_find_start_comment(void)	    // XXX
+{
+    return find_start_comment(curbuf->b_ind_maxcomment);
+}
+
+    pos_T *
+find_start_comment(int ind_maxcomment)	// XXX
+{
+    pos_T	*pos;
+    char_u	*line;
+    char_u	*p;
+    int		cur_maxcomment = ind_maxcomment;
+
+    for (;;)
+    {
+	pos = findmatchlimit(NULL, '*', FM_BACKWARD, cur_maxcomment);
+	if (pos == NULL)
+	    break;
+
+	// Check if the comment start we found is inside a string.
+	// If it is then restrict the search to below this line and try again.
+	line = ml_get(pos->lnum);
+	for (p = line; *p && (colnr_T)(p - line) < pos->col; ++p)
+	    p = skip_string(p);
+	if ((colnr_T)(p - line) <= pos->col)
+	    break;
+	cur_maxcomment = curwin->w_cursor.lnum - pos->lnum - 1;
+	if (cur_maxcomment <= 0)
+	{
+	    pos = NULL;
+	    break;
+	}
+    }
+    return pos;
+}
+
+/*
+ * Find the start of a comment or raw string, not knowing if we are in a
+ * comment or raw string right now.
+ * Search starts at w_cursor.lnum and goes backwards.
+ * If is_raw is given and returns start of raw_string, sets it to true.
+ * Return NULL when not inside a comment or raw string.
+ * "CORS" -> Comment Or Raw String
+ */
+    static pos_T *
+ind_find_start_CORS(linenr_T *is_raw)	    // XXX
+{
+    static pos_T comment_pos_copy;
+    pos_T	*comment_pos;
+    pos_T	*rs_pos;
+
+    comment_pos = find_start_comment(curbuf->b_ind_maxcomment);
+    if (comment_pos != NULL)
+    {
+	// Need to make a copy of the static pos in findmatchlimit(),
+	// calling find_start_rawstring() may change it.
+	comment_pos_copy = *comment_pos;
+	comment_pos = &comment_pos_copy;
+    }
+    rs_pos = find_start_rawstring(curbuf->b_ind_maxcomment);
+
+    // If comment_pos is before rs_pos the raw string is inside the comment.
+    // If rs_pos is before comment_pos the comment is inside the raw string.
+    if (comment_pos == NULL || (rs_pos != NULL
+					     && LT_POS(*rs_pos, *comment_pos)))
+    {
+	if (is_raw != NULL && rs_pos != NULL)
+	    *is_raw = rs_pos->lnum;
+	return rs_pos;
+    }
+    return comment_pos;
+}
+
+/*
+ * Find the start of a raw string, not knowing if we are in one right now.
+ * Search starts at w_cursor.lnum and goes backwards.
+ * Return NULL when not inside a raw string.
+ */
+    static pos_T *
+find_start_rawstring(int ind_maxcomment)	// XXX
+{
+    pos_T	*pos;
+    char_u	*line;
+    char_u	*p;
+    int		cur_maxcomment = ind_maxcomment;
+
+    for (;;)
+    {
+	pos = findmatchlimit(NULL, 'R', FM_BACKWARD, cur_maxcomment);
+	if (pos == NULL)
+	    break;
+
+	// Check if the raw string start we found is inside a string.
+	// If it is then restrict the search to below this line and try again.
+	line = ml_get(pos->lnum);
+	for (p = line; *p && (colnr_T)(p - line) < pos->col; ++p)
+	    p = skip_string(p);
+	if ((colnr_T)(p - line) <= pos->col)
+	    break;
+	cur_maxcomment = curwin->w_cursor.lnum - pos->lnum - 1;
+	if (cur_maxcomment <= 0)
+	{
+	    pos = NULL;
+	    break;
+	}
+    }
+    return pos;
+}
+
+/*
+ * Skip to the end of a "string" and a 'c' character.
+ * If there is no string or character, return argument unmodified.
+ */
+    static char_u *
+skip_string(char_u *p)
+{
+    int	    i;
+
+    // We loop, because strings may be concatenated: "date""time".
+    for ( ; ; ++p)
+    {
+	if (p[0] == '\'')		    // 'c' or '\n' or '\000'
+	{
+	    if (!p[1])			    // ' at end of line
+		break;
+	    i = 2;
+	    if (p[1] == '\\')		    // '\n' or '\000'
+	    {
+		++i;
+		while (vim_isdigit(p[i - 1]))   // '\000'
+		    ++i;
+	    }
+	    if (p[i] == '\'')		    // check for trailing '
+	    {
+		p += i;
+		continue;
+	    }
+	}
+	else if (p[0] == '"')		    // start of string
+	{
+	    for (++p; p[0]; ++p)
+	    {
+		if (p[0] == '\\' && p[1] != NUL)
+		    ++p;
+		else if (p[0] == '"')	    // end of string
+		    break;
+	    }
+	    if (p[0] == '"')
+		continue; // continue for another string
+	}
+	else if (p[0] == 'R' && p[1] == '"')
+	{
+	    // Raw string: R"[delim](...)[delim]"
+	    char_u *delim = p + 2;
+	    char_u *paren = vim_strchr(delim, '(');
+
+	    if (paren != NULL)
+	    {
+		size_t delim_len = paren - delim;
+
+		for (p += 3; *p; ++p)
+		    if (p[0] == ')' && STRNCMP(p + 1, delim, delim_len) == 0
+			    && p[delim_len + 1] == '"')
+		    {
+			p += delim_len + 1;
+			break;
+		    }
+		if (p[0] == '"')
+		    continue; // continue for another string
+	    }
+	}
+	break;				    // no string found
+    }
+    if (!*p)
+	--p;				    // backup from NUL
+    return p;
+}
+#endif // FEAT_CINDENT || FEAT_SYN_HL
+
+#if defined(FEAT_CINDENT) || defined(PROTO)
+
+/*
+ * Return TRUE if C-indenting is on.
+ */
+    int
+cindent_on(void)
+{
+    return (!p_paste && (curbuf->b_p_cin
+# ifdef FEAT_EVAL
+		    || *curbuf->b_p_inde != NUL
+# endif
+		    ));
+}
+
+// Find result cache for cpp_baseclass
+typedef struct {
+    int	    found;
+    lpos_T  lpos;
+} cpp_baseclass_cache_T;
+
+/*
+ * Functions for C-indenting.
+ * Most of this originally comes from Eric Fischer.
+ */
+/*
+ * Below "XXX" means that this function may unlock the current line.
+ */
+
+static int	cin_isdefault(char_u *);
+static int	cin_ispreproc(char_u *);
+static int	cin_iscomment(char_u *);
+static int	cin_islinecomment(char_u *);
+static int	cin_isterminated(char_u *, int, int);
+static int	cin_iselse(char_u *);
+static int	cin_ends_in(char_u *, char_u *, char_u *);
+static int	cin_starts_with(char_u *s, char *word);
+static pos_T	*find_match_paren(int);
+static pos_T	*find_match_char(int c, int ind_maxparen);
+static int	find_last_paren(char_u *l, int start, int end);
+static int	find_match(int lookfor, linenr_T ourscope);
+
+/*
+ * Skip over white space and C comments within the line.
+ * Also skip over Perl/shell comments if desired.
+ */
+    static char_u *
+cin_skipcomment(char_u *s)
+{
+    while (*s)
+    {
+	char_u *prev_s = s;
+
+	s = skipwhite(s);
+
+	// Perl/shell # comment comment continues until eol.  Require a space
+	// before # to avoid recognizing $#array.
+	if (curbuf->b_ind_hash_comment != 0 && s != prev_s && *s == '#')
+	{
+	    s += STRLEN(s);
+	    break;
+	}
+	if (*s != '/')
+	    break;
+	++s;
+	if (*s == '/')		// slash-slash comment continues till eol
+	{
+	    s += STRLEN(s);
+	    break;
+	}
+	if (*s != '*')
+	    break;
+	for (++s; *s; ++s)	// skip slash-star comment
+	    if (s[0] == '*' && s[1] == '/')
+	    {
+		s += 2;
+		break;
+	    }
+    }
+    return s;
+}
+
+/*
+ * Return TRUE if there is no code at *s.  White space and comments are
+ * not considered code.
+ */
+    static int
+cin_nocode(char_u *s)
+{
+    return *cin_skipcomment(s) == NUL;
+}
+
+/*
+ * Check previous lines for a "//" line comment, skipping over blank lines.
+ */
+    static pos_T *
+find_line_comment(void) // XXX
+{
+    static pos_T pos;
+    char_u	 *line;
+    char_u	 *p;
+
+    pos = curwin->w_cursor;
+    while (--pos.lnum > 0)
+    {
+	line = ml_get(pos.lnum);
+	p = skipwhite(line);
+	if (cin_islinecomment(p))
+	{
+	    pos.col = (int)(p - line);
+	    return &pos;
+	}
+	if (*p != NUL)
+	    break;
+    }
+    return NULL;
+}
+
+/*
+ * Return TRUE if "text" starts with "key:".
+ */
+    static int
+cin_has_js_key(char_u *text)
+{
+    char_u *s = skipwhite(text);
+    int	    quote = -1;
+
+    if (*s == '\'' || *s == '"')
+    {
+	// can be 'key': or "key":
+	quote = *s;
+	++s;
+    }
+    if (!vim_isIDc(*s))	    // need at least one ID character
+	return FALSE;
+
+    while (vim_isIDc(*s))
+	++s;
+    if (*s == quote)
+	++s;
+
+    s = cin_skipcomment(s);
+
+    // "::" is not a label, it's C++
+    return (*s == ':' && s[1] != ':');
+}
+
+/*
+ * Check if string matches "label:"; move to character after ':' if true.
+ * "*s" must point to the start of the label, if there is one.
+ */
+    static int
+cin_islabel_skip(char_u **s)
+{
+    if (!vim_isIDc(**s))	    // need at least one ID character
+	return FALSE;
+
+    while (vim_isIDc(**s))
+	(*s)++;
+
+    *s = cin_skipcomment(*s);
+
+    // "::" is not a label, it's C++
+    return (**s == ':' && *++*s != ':');
+}
+
+/*
+ * Recognize a label: "label:".
+ * Note: curwin->w_cursor must be where we are looking for the label.
+ */
+    int
+cin_islabel(void)		// XXX
+{
+    char_u	*s;
+
+    s = cin_skipcomment(ml_get_curline());
+
+    // Exclude "default" from labels, since it should be indented
+    // like a switch label.  Same for C++ scope declarations.
+    if (cin_isdefault(s))
+	return FALSE;
+    if (cin_isscopedecl(s))
+	return FALSE;
+
+    if (cin_islabel_skip(&s))
+    {
+	// Only accept a label if the previous line is terminated or is a case
+	// label.
+	pos_T	cursor_save;
+	pos_T	*trypos;
+	char_u	*line;
+
+	cursor_save = curwin->w_cursor;
+	while (curwin->w_cursor.lnum > 1)
+	{
+	    --curwin->w_cursor.lnum;
+
+	    // If we're in a comment or raw string now, skip to the start of
+	    // it.
+	    curwin->w_cursor.col = 0;
+	    if ((trypos = ind_find_start_CORS(NULL)) != NULL) // XXX
+		curwin->w_cursor = *trypos;
+
+	    line = ml_get_curline();
+	    if (cin_ispreproc(line))	// ignore #defines, #if, etc.
+		continue;
+	    if (*(line = cin_skipcomment(line)) == NUL)
+		continue;
+
+	    curwin->w_cursor = cursor_save;
+	    if (cin_isterminated(line, TRUE, FALSE)
+		    || cin_isscopedecl(line)
+		    || cin_iscase(line, TRUE)
+		    || (cin_islabel_skip(&line) && cin_nocode(line)))
+		return TRUE;
+	    return FALSE;
+	}
+	curwin->w_cursor = cursor_save;
+	return TRUE;		// label at start of file???
+    }
+    return FALSE;
+}
+
+/*
+ * Recognize structure initialization and enumerations:
+ * "[typedef] [static|public|protected|private] enum"
+ * "[typedef] [static|public|protected|private] = {"
+ */
+    static int
+cin_isinit(void)
+{
+    char_u	*s;
+    static char *skip[] = {"static", "public", "protected", "private"};
+
+    s = cin_skipcomment(ml_get_curline());
+
+    if (cin_starts_with(s, "typedef"))
+	s = cin_skipcomment(s + 7);
+
+    for (;;)
+    {
+	int i, l;
+
+	for (i = 0; i < (int)(sizeof(skip) / sizeof(char *)); ++i)
+	{
+	    l = (int)strlen(skip[i]);
+	    if (cin_starts_with(s, skip[i]))
+	    {
+		s = cin_skipcomment(s + l);
+		l = 0;
+		break;
+	    }
+	}
+	if (l != 0)
+	    break;
+    }
+
+    if (cin_starts_with(s, "enum"))
+	return TRUE;
+
+    if (cin_ends_in(s, (char_u *)"=", (char_u *)"{"))
+	return TRUE;
+
+    return FALSE;
+}
+
+/*
+ * Recognize a switch label: "case .*:" or "default:".
+ */
+     int
+cin_iscase(
+    char_u *s,
+    int strict) // Allow relaxed check of case statement for JS
+{
+    s = cin_skipcomment(s);
+    if (cin_starts_with(s, "case"))
+    {
+	for (s += 4; *s; ++s)
+	{
+	    s = cin_skipcomment(s);
+	    if (*s == ':')
+	    {
+		if (s[1] == ':')	// skip over "::" for C++
+		    ++s;
+		else
+		    return TRUE;
+	    }
+	    if (*s == '\'' && s[1] && s[2] == '\'')
+		s += 2;			// skip over ':'
+	    else if (*s == '/' && (s[1] == '*' || s[1] == '/'))
+		return FALSE;		// stop at comment
+	    else if (*s == '"')
+	    {
+		// JS etc.
+		if (strict)
+		    return FALSE;		// stop at string
+		else
+		    return TRUE;
+	    }
+	}
+	return FALSE;
+    }
+
+    if (cin_isdefault(s))
+	return TRUE;
+    return FALSE;
+}
+
+/*
+ * Recognize a "default" switch label.
+ */
+    static int
+cin_isdefault(char_u *s)
+{
+    return (STRNCMP(s, "default", 7) == 0
+	    && *(s = cin_skipcomment(s + 7)) == ':'
+	    && s[1] != ':');
+}
+
+/*
+ * Recognize a "public/private/protected" scope declaration label.
+ */
+    int
+cin_isscopedecl(char_u *s)
+{
+    int		i;
+
+    s = cin_skipcomment(s);
+    if (STRNCMP(s, "public", 6) == 0)
+	i = 6;
+    else if (STRNCMP(s, "protected", 9) == 0)
+	i = 9;
+    else if (STRNCMP(s, "private", 7) == 0)
+	i = 7;
+    else
+	return FALSE;
+    return (*(s = cin_skipcomment(s + i)) == ':' && s[1] != ':');
+}
+
+// Maximum number of lines to search back for a "namespace" line.
+#define FIND_NAMESPACE_LIM 20
+
+/*
+ * Recognize a "namespace" scope declaration.
+ */
+    static int
+cin_is_cpp_namespace(char_u *s)
+{
+    char_u	*p;
+    int		has_name = FALSE;
+    int		has_name_start = FALSE;
+
+    s = cin_skipcomment(s);
+    if (STRNCMP(s, "namespace", 9) == 0 && (s[9] == NUL || !vim_iswordc(s[9])))
+    {
+	p = cin_skipcomment(skipwhite(s + 9));
+	while (*p != NUL)
+	{
+	    if (VIM_ISWHITE(*p))
+	    {
+		has_name = TRUE; // found end of a name
+		p = cin_skipcomment(skipwhite(p));
+	    }
+	    else if (*p == '{')
+	    {
+		break;
+	    }
+	    else if (vim_iswordc(*p))
+	    {
+		has_name_start = TRUE;
+		if (has_name)
+		    return FALSE; // word character after skipping past name
+		++p;
+	    }
+	    else if (p[0] == ':' && p[1] == ':' && vim_iswordc(p[2]))
+	    {
+		if (!has_name_start || has_name)
+		    return FALSE;
+		// C++ 17 nested namespace
+		p += 3;
+	    }
+	    else
+	    {
+		return FALSE;
+	    }
+	}
+	return TRUE;
+    }
+    return FALSE;
+}
+
+/*
+ * Recognize a `extern "C"` or `extern "C++"` linkage specifications.
+ */
+    static int
+cin_is_cpp_extern_c(char_u *s)
+{
+    char_u	*p;
+    int		has_string_literal = FALSE;
+
+    s = cin_skipcomment(s);
+    if (STRNCMP(s, "extern", 6) == 0 && (s[6] == NUL || !vim_iswordc(s[6])))
+    {
+	p = cin_skipcomment(skipwhite(s + 6));
+	while (*p != NUL)
+	{
+	    if (VIM_ISWHITE(*p))
+	    {
+		p = cin_skipcomment(skipwhite(p));
+	    }
+	    else if (*p == '{')
+	    {
+		break;
+	    }
+	    else if (p[0] == '"' && p[1] == 'C' && p[2] == '"')
+	    {
+		if (has_string_literal)
+		    return FALSE;
+		has_string_literal = TRUE;
+		p += 3;
+	    }
+	    else if (p[0] == '"' && p[1] == 'C' && p[2] == '+' && p[3] == '+'
+		    && p[4] == '"')
+	    {
+		if (has_string_literal)
+		    return FALSE;
+		has_string_literal = TRUE;
+		p += 5;
+	    }
+	    else
+	    {
+		return FALSE;
+	    }
+	}
+	return has_string_literal ? TRUE : FALSE;
+    }
+    return FALSE;
+}
+
+/*
+ * Return a pointer to the first non-empty non-comment character after a ':'.
+ * Return NULL if not found.
+ *	  case 234:    a = b;
+ *		       ^
+ */
+    static char_u *
+after_label(char_u *l)
+{
+    for ( ; *l; ++l)
+    {
+	if (*l == ':')
+	{
+	    if (l[1] == ':')	    // skip over "::" for C++
+		++l;
+	    else if (!cin_iscase(l + 1, FALSE))
+		break;
+	}
+	else if (*l == '\'' && l[1] && l[2] == '\'')
+	    l += 2;		    // skip over 'x'
+    }
+    if (*l == NUL)
+	return NULL;
+    l = cin_skipcomment(l + 1);
+    if (*l == NUL)
+	return NULL;
+    return l;
+}
+
+/*
+ * Get indent of line "lnum", skipping a label.
+ * Return 0 if there is nothing after the label.
+ */
+    static int
+get_indent_nolabel (linenr_T lnum)	// XXX
+{
+    char_u	*l;
+    pos_T	fp;
+    colnr_T	col;
+    char_u	*p;
+
+    l = ml_get(lnum);
+    p = after_label(l);
+    if (p == NULL)
+	return 0;
+
+    fp.col = (colnr_T)(p - l);
+    fp.lnum = lnum;
+    getvcol(curwin, &fp, &col, NULL, NULL);
+    return (int)col;
+}
+
+/*
+ * Find indent for line "lnum", ignoring any case or jump label.
+ * Also return a pointer to the text (after the label) in "pp".
+ *   label:	if (asdf && asdfasdf)
+ *		^
+ */
+    static int
+skip_label(linenr_T lnum, char_u **pp)
+{
+    char_u	*l;
+    int		amount;
+    pos_T	cursor_save;
+
+    cursor_save = curwin->w_cursor;
+    curwin->w_cursor.lnum = lnum;
+    l = ml_get_curline();
+				    // XXX
+    if (cin_iscase(l, FALSE) || cin_isscopedecl(l) || cin_islabel())
+    {
+	amount = get_indent_nolabel(lnum);
+	l = after_label(ml_get_curline());
+	if (l == NULL)		// just in case
+	    l = ml_get_curline();
+    }
+    else
+    {
+	amount = get_indent();
+	l = ml_get_curline();
+    }
+    *pp = l;
+
+    curwin->w_cursor = cursor_save;
+    return amount;
+}
+
+/*
+ * Return the indent of the first variable name after a type in a declaration.
+ *  int	    a,			indent of "a"
+ *  static struct foo    b,	indent of "b"
+ *  enum bla    c,		indent of "c"
+ * Returns zero when it doesn't look like a declaration.
+ */
+    static int
+cin_first_id_amount(void)
+{
+    char_u	*line, *p, *s;
+    int		len;
+    pos_T	fp;
+    colnr_T	col;
+
+    line = ml_get_curline();
+    p = skipwhite(line);
+    len = (int)(skiptowhite(p) - p);
+    if (len == 6 && STRNCMP(p, "static", 6) == 0)
+    {
+	p = skipwhite(p + 6);
+	len = (int)(skiptowhite(p) - p);
+    }
+    if (len == 6 && STRNCMP(p, "struct", 6) == 0)
+	p = skipwhite(p + 6);
+    else if (len == 4 && STRNCMP(p, "enum", 4) == 0)
+	p = skipwhite(p + 4);
+    else if ((len == 8 && STRNCMP(p, "unsigned", 8) == 0)
+	    || (len == 6 && STRNCMP(p, "signed", 6) == 0))
+    {
+	s = skipwhite(p + len);
+	if ((STRNCMP(s, "int", 3) == 0 && VIM_ISWHITE(s[3]))
+		|| (STRNCMP(s, "long", 4) == 0 && VIM_ISWHITE(s[4]))
+		|| (STRNCMP(s, "short", 5) == 0 && VIM_ISWHITE(s[5]))
+		|| (STRNCMP(s, "char", 4) == 0 && VIM_ISWHITE(s[4])))
+	    p = s;
+    }
+    for (len = 0; vim_isIDc(p[len]); ++len)
+	;
+    if (len == 0 || !VIM_ISWHITE(p[len]) || cin_nocode(p))
+	return 0;
+
+    p = skipwhite(p + len);
+    fp.lnum = curwin->w_cursor.lnum;
+    fp.col = (colnr_T)(p - line);
+    getvcol(curwin, &fp, &col, NULL, NULL);
+    return (int)col;
+}
+
+/*
+ * Return the indent of the first non-blank after an equal sign.
+ *       char *foo = "here";
+ * Return zero if no (useful) equal sign found.
+ * Return -1 if the line above "lnum" ends in a backslash.
+ *      foo = "asdf\
+ *	       asdf\
+ *	       here";
+ */
+    static int
+cin_get_equal_amount(linenr_T lnum)
+{
+    char_u	*line;
+    char_u	*s;
+    colnr_T	col;
+    pos_T	fp;
+
+    if (lnum > 1)
+    {
+	line = ml_get(lnum - 1);
+	if (*line != NUL && line[STRLEN(line) - 1] == '\\')
+	    return -1;
+    }
+
+    line = s = ml_get(lnum);
+    while (*s != NUL && vim_strchr((char_u *)"=;{}\"'", *s) == NULL)
+    {
+	if (cin_iscomment(s))	// ignore comments
+	    s = cin_skipcomment(s);
+	else
+	    ++s;
+    }
+    if (*s != '=')
+	return 0;
+
+    s = skipwhite(s + 1);
+    if (cin_nocode(s))
+	return 0;
+
+    if (*s == '"')	// nice alignment for continued strings
+	++s;
+
+    fp.lnum = lnum;
+    fp.col = (colnr_T)(s - line);
+    getvcol(curwin, &fp, &col, NULL, NULL);
+    return (int)col;
+}
+
+/*
+ * Recognize a preprocessor statement: Any line that starts with '#'.
+ */
+    static int
+cin_ispreproc(char_u *s)
+{
+    if (*skipwhite(s) == '#')
+	return TRUE;
+    return FALSE;
+}
+
+/*
+ * Return TRUE if line "*pp" at "*lnump" is a preprocessor statement or a
+ * continuation line of a preprocessor statement.  Decrease "*lnump" to the
+ * start and return the line in "*pp".
+ * Put the amount of indent in "*amount".
+ */
+    static int
+cin_ispreproc_cont(char_u **pp, linenr_T *lnump, int *amount)
+{
+    char_u	*line = *pp;
+    linenr_T	lnum = *lnump;
+    int		retval = FALSE;
+    int		candidate_amount = *amount;
+
+    if (*line != NUL && line[STRLEN(line) - 1] == '\\')
+	candidate_amount = get_indent_lnum(lnum);
+
+    for (;;)
+    {
+	if (cin_ispreproc(line))
+	{
+	    retval = TRUE;
+	    *lnump = lnum;
+	    break;
+	}
+	if (lnum == 1)
+	    break;
+	line = ml_get(--lnum);
+	if (*line == NUL || line[STRLEN(line) - 1] != '\\')
+	    break;
+    }
+
+    if (lnum != *lnump)
+	*pp = ml_get(*lnump);
+    if (retval)
+	*amount = candidate_amount;
+    return retval;
+}
+
+/*
+ * Recognize the start of a C or C++ comment.
+ */
+    static int
+cin_iscomment(char_u *p)
+{
+    return (p[0] == '/' && (p[1] == '*' || p[1] == '/'));
+}
+
+/*
+ * Recognize the start of a "//" comment.
+ */
+    static int
+cin_islinecomment(char_u *p)
+{
+    return (p[0] == '/' && p[1] == '/');
+}
+
+/*
+ * Recognize a line that starts with '{' or '}', or ends with ';', ',', '{' or
+ * '}'.
+ * Don't consider "} else" a terminated line.
+ * If a line begins with an "else", only consider it terminated if no unmatched
+ * opening braces follow (handle "else { foo();" correctly).
+ * Return the character terminating the line (ending char's have precedence if
+ * both apply in order to determine initializations).
+ */
+    static int
+cin_isterminated(
+    char_u	*s,
+    int		incl_open,	// include '{' at the end as terminator
+    int		incl_comma)	// recognize a trailing comma
+{
+    char_u	found_start = 0;
+    unsigned	n_open = 0;
+    int		is_else = FALSE;
+
+    s = cin_skipcomment(s);
+
+    if (*s == '{' || (*s == '}' && !cin_iselse(s)))
+	found_start = *s;
+
+    if (!found_start)
+	is_else = cin_iselse(s);
+
+    while (*s)
+    {
+	// skip over comments, "" strings and 'c'haracters
+	s = skip_string(cin_skipcomment(s));
+	if (*s == '}' && n_open > 0)
+	    --n_open;
+	if ((!is_else || n_open == 0)
+		&& (*s == ';' || *s == '}' || (incl_comma && *s == ','))
+		&& cin_nocode(s + 1))
+	    return *s;
+	else if (*s == '{')
+	{
+	    if (incl_open && cin_nocode(s + 1))
+		return *s;
+	    else
+		++n_open;
+	}
+
+	if (*s)
+	    s++;
+    }
+    return found_start;
+}
+
+/*
+ * Recognize the basic picture of a function declaration -- it needs to
+ * have an open paren somewhere and a close paren at the end of the line and
+ * no semicolons anywhere.
+ * When a line ends in a comma we continue looking in the next line.
+ * "sp" points to a string with the line.  When looking at other lines it must
+ * be restored to the line.  When it's NULL fetch lines here.
+ * "first_lnum" is where we start looking.
+ * "min_lnum" is the line before which we will not be looking.
+ */
+    static int
+cin_isfuncdecl(
+    char_u	**sp,
+    linenr_T	first_lnum,
+    linenr_T	min_lnum)
+{
+    char_u	*s;
+    linenr_T	lnum = first_lnum;
+    linenr_T	save_lnum = curwin->w_cursor.lnum;
+    int		retval = FALSE;
+    pos_T	*trypos;
+    int		just_started = TRUE;
+
+    if (sp == NULL)
+	s = ml_get(lnum);
+    else
+	s = *sp;
+
+    curwin->w_cursor.lnum = lnum;
+    if (find_last_paren(s, '(', ')')
+	&& (trypos = find_match_paren(curbuf->b_ind_maxparen)) != NULL)
+    {
+	lnum = trypos->lnum;
+	if (lnum < min_lnum)
+	{
+	    curwin->w_cursor.lnum = save_lnum;
+	    return FALSE;
+	}
+
+	s = ml_get(lnum);
+    }
+    curwin->w_cursor.lnum = save_lnum;
+
+    // Ignore line starting with #.
+    if (cin_ispreproc(s))
+	return FALSE;
+
+    while (*s && *s != '(' && *s != ';' && *s != '\'' && *s != '"')
+    {
+	if (cin_iscomment(s))	// ignore comments
+	    s = cin_skipcomment(s);
+	else if (*s == ':')
+	{
+	    if (*(s + 1) == ':')
+		s += 2;
+	    else
+		// To avoid a mistake in the following situation:
+		// A::A(int a, int b)
+		//     : a(0)  // <--not a function decl
+		//     , b(0)
+		// {...
+		return FALSE;
+	}
+	else
+	    ++s;
+    }
+    if (*s != '(')
+	return FALSE;		// ';', ' or "  before any () or no '('
+
+    while (*s && *s != ';' && *s != '\'' && *s != '"')
+    {
+	if (*s == ')' && cin_nocode(s + 1))
+	{
+	    /*
+	     * ')' at the end: may have found a match
+	     * Check for he previous line not to end in a backslash:
+	     *       #if defined(x) && \
+	     *		 defined(y)
+	     */
+	    lnum = first_lnum - 1;
+	    s = ml_get(lnum);
+	    if (*s == NUL || s[STRLEN(s) - 1] != '\\')
+		retval = TRUE;
+	    goto done;
+	}
+	if ((*s == ',' && cin_nocode(s + 1)) || s[1] == NUL || cin_nocode(s))
+	{
+	    int comma = (*s == ',');
+
+	    // ',' at the end: continue looking in the next line.
+	    // At the end: check for ',' in the next line, for this style:
+	    // func(arg1
+	    //       , arg2)
+	    for (;;)
+	    {
+		if (lnum >= curbuf->b_ml.ml_line_count)
+		    break;
+		s = ml_get(++lnum);
+		if (!cin_ispreproc(s))
+		    break;
+	    }
+	    if (lnum >= curbuf->b_ml.ml_line_count)
+		break;
+	    // Require a comma at end of the line or a comma or ')' at the
+	    // start of next line.
+	    s = skipwhite(s);
+	    if (!just_started && (!comma && *s != ',' && *s != ')'))
+		break;
+	    just_started = FALSE;
+	}
+	else if (cin_iscomment(s))	// ignore comments
+	    s = cin_skipcomment(s);
+	else
+	{
+	    ++s;
+	    just_started = FALSE;
+	}
+    }
+
+done:
+    if (lnum != first_lnum && sp != NULL)
+	*sp = ml_get(first_lnum);
+
+    return retval;
+}
+
+    static int
+cin_isif(char_u *p)
+{
+ return (STRNCMP(p, "if", 2) == 0 && !vim_isIDc(p[2]));
+}
+
+    static int
+cin_iselse(
+    char_u  *p)
+{
+    if (*p == '}')	    // accept "} else"
+	p = cin_skipcomment(p + 1);
+    return (STRNCMP(p, "else", 4) == 0 && !vim_isIDc(p[4]));
+}
+
+    static int
+cin_isdo(char_u *p)
+{
+    return (STRNCMP(p, "do", 2) == 0 && !vim_isIDc(p[2]));
+}
+
+/*
+ * Check if this is a "while" that should have a matching "do".
+ * We only accept a "while (condition) ;", with only white space between the
+ * ')' and ';'. The condition may be spread over several lines.
+ */
+    static int
+cin_iswhileofdo (char_u *p, linenr_T lnum)	// XXX
+{
+    pos_T	cursor_save;
+    pos_T	*trypos;
+    int		retval = FALSE;
+
+    p = cin_skipcomment(p);
+    if (*p == '}')		// accept "} while (cond);"
+	p = cin_skipcomment(p + 1);
+    if (cin_starts_with(p, "while"))
+    {
+	cursor_save = curwin->w_cursor;
+	curwin->w_cursor.lnum = lnum;
+	curwin->w_cursor.col = 0;
+	p = ml_get_curline();
+	while (*p && *p != 'w')	// skip any '}', until the 'w' of the "while"
+	{
+	    ++p;
+	    ++curwin->w_cursor.col;
+	}
+	if ((trypos = findmatchlimit(NULL, 0, 0,
+					      curbuf->b_ind_maxparen)) != NULL
+		&& *cin_skipcomment(ml_get_pos(trypos) + 1) == ';')
+	    retval = TRUE;
+	curwin->w_cursor = cursor_save;
+    }
+    return retval;
+}
+
+/*
+ * Check whether in "p" there is an "if", "for" or "while" before "*poffset".
+ * Return 0 if there is none.
+ * Otherwise return !0 and update "*poffset" to point to the place where the
+ * string was found.
+ */
+    static int
+cin_is_if_for_while_before_offset(char_u *line, int *poffset)
+{
+    int offset = *poffset;
+
+    if (offset-- < 2)
+	return 0;
+    while (offset > 2 && VIM_ISWHITE(line[offset]))
+	--offset;
+
+    offset -= 1;
+    if (!STRNCMP(line + offset, "if", 2))
+	goto probablyFound;
+
+    if (offset >= 1)
+    {
+	offset -= 1;
+	if (!STRNCMP(line + offset, "for", 3))
+	    goto probablyFound;
+
+	if (offset >= 2)
+	{
+	    offset -= 2;
+	    if (!STRNCMP(line + offset, "while", 5))
+		goto probablyFound;
+	}
+    }
+    return 0;
+
+probablyFound:
+    if (!offset || !vim_isIDc(line[offset - 1]))
+    {
+	*poffset = offset;
+	return 1;
+    }
+    return 0;
+}
+
+/*
+ * Return TRUE if we are at the end of a do-while.
+ *    do
+ *       nothing;
+ *    while (foo
+ *	       && bar);  <-- here
+ * Adjust the cursor to the line with "while".
+ */
+    static int
+cin_iswhileofdo_end(int terminated)
+{
+    char_u	*line;
+    char_u	*p;
+    char_u	*s;
+    pos_T	*trypos;
+    int		i;
+
+    if (terminated != ';')	// there must be a ';' at the end
+	return FALSE;
+
+    p = line = ml_get_curline();
+    while (*p != NUL)
+    {
+	p = cin_skipcomment(p);
+	if (*p == ')')
+	{
+	    s = skipwhite(p + 1);
+	    if (*s == ';' && cin_nocode(s + 1))
+	    {
+		// Found ");" at end of the line, now check there is "while"
+		// before the matching '('.  XXX
+		i = (int)(p - line);
+		curwin->w_cursor.col = i;
+		trypos = find_match_paren(curbuf->b_ind_maxparen);
+		if (trypos != NULL)
+		{
+		    s = cin_skipcomment(ml_get(trypos->lnum));
+		    if (*s == '}')		// accept "} while (cond);"
+			s = cin_skipcomment(s + 1);
+		    if (cin_starts_with(s, "while"))
+		    {
+			curwin->w_cursor.lnum = trypos->lnum;
+			return TRUE;
+		    }
+		}
+
+		// Searching may have made "line" invalid, get it again.
+		line = ml_get_curline();
+		p = line + i;
+	    }
+	}
+	if (*p != NUL)
+	    ++p;
+    }
+    return FALSE;
+}
+
+    static int
+cin_isbreak(char_u *p)
+{
+    return (STRNCMP(p, "break", 5) == 0 && !vim_isIDc(p[5]));
+}
+
+/*
+ * Find the position of a C++ base-class declaration or
+ * constructor-initialization. eg:
+ *
+ * class MyClass :
+ *	baseClass		<-- here
+ * class MyClass : public baseClass,
+ *	anotherBaseClass	<-- here (should probably lineup ??)
+ * MyClass::MyClass(...) :
+ *	baseClass(...)		<-- here (constructor-initialization)
+ *
+ * This is a lot of guessing.  Watch out for "cond ? func() : foo".
+ */
+    static int
+cin_is_cpp_baseclass(
+    cpp_baseclass_cache_T *cached) // input and output
+{
+    lpos_T	*pos = &cached->lpos;	    // find position
+    char_u	*s;
+    int		class_or_struct, lookfor_ctor_init, cpp_base_class;
+    linenr_T	lnum = curwin->w_cursor.lnum;
+    char_u	*line = ml_get_curline();
+
+    if (pos->lnum <= lnum)
+	return cached->found;	// Use the cached result
+
+    pos->col = 0;
+
+    s = skipwhite(line);
+    if (*s == '#')		// skip #define FOO x ? (x) : x
+	return FALSE;
+    s = cin_skipcomment(s);
+    if (*s == NUL)
+	return FALSE;
+
+    cpp_base_class = lookfor_ctor_init = class_or_struct = FALSE;
+
+    // Search for a line starting with '#', empty, ending in ';' or containing
+    // '{' or '}' and start below it.  This handles the following situations:
+    //	a = cond ?
+    //	      func() :
+    //		   asdf;
+    //	func::foo()
+    //	      : something
+    //	{}
+    //	Foo::Foo (int one, int two)
+    //		: something(4),
+    //		somethingelse(3)
+    //	{}
+    while (lnum > 1)
+    {
+	line = ml_get(lnum - 1);
+	s = skipwhite(line);
+	if (*s == '#' || *s == NUL)
+	    break;
+	while (*s != NUL)
+	{
+	    s = cin_skipcomment(s);
+	    if (*s == '{' || *s == '}'
+		    || (*s == ';' && cin_nocode(s + 1)))
+		break;
+	    if (*s != NUL)
+		++s;
+	}
+	if (*s != NUL)
+	    break;
+	--lnum;
+    }
+
+    pos->lnum = lnum;
+    line = ml_get(lnum);
+    s = line;
+    for (;;)
+    {
+	if (*s == NUL)
+	{
+	    if (lnum == curwin->w_cursor.lnum)
+		break;
+	    // Continue in the cursor line.
+	    line = ml_get(++lnum);
+	    s = line;
+	}
+	if (s == line)
+	{
+	    // don't recognize "case (foo):" as a baseclass
+	    if (cin_iscase(s, FALSE))
+		break;
+	    s = cin_skipcomment(line);
+	    if (*s == NUL)
+		continue;
+	}
+
+	if (s[0] == '"' || (s[0] == 'R' && s[1] == '"'))
+	    s = skip_string(s) + 1;
+	else if (s[0] == ':')
+	{
+	    if (s[1] == ':')
+	    {
+		// skip double colon. It can't be a constructor
+		// initialization any more
+		lookfor_ctor_init = FALSE;
+		s = cin_skipcomment(s + 2);
+	    }
+	    else if (lookfor_ctor_init || class_or_struct)
+	    {
+		// we have something found, that looks like the start of
+		// cpp-base-class-declaration or constructor-initialization
+		cpp_base_class = TRUE;
+		lookfor_ctor_init = class_or_struct = FALSE;
+		pos->col = 0;
+		s = cin_skipcomment(s + 1);
+	    }
+	    else
+		s = cin_skipcomment(s + 1);
+	}
+	else if ((STRNCMP(s, "class", 5) == 0 && !vim_isIDc(s[5]))
+		|| (STRNCMP(s, "struct", 6) == 0 && !vim_isIDc(s[6])))
+	{
+	    class_or_struct = TRUE;
+	    lookfor_ctor_init = FALSE;
+
+	    if (*s == 'c')
+		s = cin_skipcomment(s + 5);
+	    else
+		s = cin_skipcomment(s + 6);
+	}
+	else
+	{
+	    if (s[0] == '{' || s[0] == '}' || s[0] == ';')
+	    {
+		cpp_base_class = lookfor_ctor_init = class_or_struct = FALSE;
+	    }
+	    else if (s[0] == ')')
+	    {
+		// Constructor-initialization is assumed if we come across
+		// something like "):"
+		class_or_struct = FALSE;
+		lookfor_ctor_init = TRUE;
+	    }
+	    else if (s[0] == '?')
+	    {
+		// Avoid seeing '() :' after '?' as constructor init.
+		return FALSE;
+	    }
+	    else if (!vim_isIDc(s[0]))
+	    {
+		// if it is not an identifier, we are wrong
+		class_or_struct = FALSE;
+		lookfor_ctor_init = FALSE;
+	    }
+	    else if (pos->col == 0)
+	    {
+		// it can't be a constructor-initialization any more
+		lookfor_ctor_init = FALSE;
+
+		// the first statement starts here: lineup with this one...
+		if (cpp_base_class)
+		    pos->col = (colnr_T)(s - line);
+	    }
+
+	    // When the line ends in a comma don't align with it.
+	    if (lnum == curwin->w_cursor.lnum && *s == ',' && cin_nocode(s + 1))
+		pos->col = 0;
+
+	    s = cin_skipcomment(s + 1);
+	}
+    }
+
+    cached->found = cpp_base_class;
+    if (cpp_base_class)
+	pos->lnum = lnum;
+    return cpp_base_class;
+}
+
+    static int
+get_baseclass_amount(int col)
+{
+    int		amount;
+    colnr_T	vcol;
+    pos_T	*trypos;
+
+    if (col == 0)
+    {
+	amount = get_indent();
+	if (find_last_paren(ml_get_curline(), '(', ')')
+		&& (trypos = find_match_paren(curbuf->b_ind_maxparen)) != NULL)
+	    amount = get_indent_lnum(trypos->lnum); // XXX
+	if (!cin_ends_in(ml_get_curline(), (char_u *)",", NULL))
+	    amount += curbuf->b_ind_cpp_baseclass;
+    }
+    else
+    {
+	curwin->w_cursor.col = col;
+	getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL);
+	amount = (int)vcol;
+    }
+    if (amount < curbuf->b_ind_cpp_baseclass)
+	amount = curbuf->b_ind_cpp_baseclass;
+    return amount;
+}
+
+/*
+ * Return TRUE if string "s" ends with the string "find", possibly followed by
+ * white space and comments.  Skip strings and comments.
+ * Ignore "ignore" after "find" if it's not NULL.
+ */
+    static int
+cin_ends_in(char_u *s, char_u *find, char_u *ignore)
+{
+    char_u	*p = s;
+    char_u	*r;
+    int		len = (int)STRLEN(find);
+
+    while (*p != NUL)
+    {
+	p = cin_skipcomment(p);
+	if (STRNCMP(p, find, len) == 0)
+	{
+	    r = skipwhite(p + len);
+	    if (ignore != NULL && STRNCMP(r, ignore, STRLEN(ignore)) == 0)
+		r = skipwhite(r + STRLEN(ignore));
+	    if (cin_nocode(r))
+		return TRUE;
+	}
+	if (*p != NUL)
+	    ++p;
+    }
+    return FALSE;
+}
+
+/*
+ * Return TRUE when "s" starts with "word" and then a non-ID character.
+ */
+    static int
+cin_starts_with(char_u *s, char *word)
+{
+    int l = (int)STRLEN(word);
+
+    return (STRNCMP(s, word, l) == 0 && !vim_isIDc(s[l]));
+}
+
+/*
+ * Skip strings, chars and comments until at or past "trypos".
+ * Return the column found.
+ */
+    static int
+cin_skip2pos(pos_T *trypos)
+{
+    char_u	*line;
+    char_u	*p;
+    char_u	*new_p;
+
+    p = line = ml_get(trypos->lnum);
+    while (*p && (colnr_T)(p - line) < trypos->col)
+    {
+	if (cin_iscomment(p))
+	    p = cin_skipcomment(p);
+	else
+	{
+	    new_p = skip_string(p);
+	    if (new_p == p)
+		++p;
+	    else
+		p = new_p;
+	}
+    }
+    return (int)(p - line);
+}
+
+/*
+ * Find the '{' at the start of the block we are in.
+ * Return NULL if no match found.
+ * Ignore a '{' that is in a comment, makes indenting the next three lines
+ * work.
+ */
+/* foo()    */
+/* {	    */
+/* }	    */
+
+    static pos_T *
+find_start_brace(void)	    // XXX
+{
+    pos_T	cursor_save;
+    pos_T	*trypos;
+    pos_T	*pos;
+    static pos_T	pos_copy;
+
+    cursor_save = curwin->w_cursor;
+    while ((trypos = findmatchlimit(NULL, '{', FM_BLOCKSTOP, 0)) != NULL)
+    {
+	pos_copy = *trypos;	// copy pos_T, next findmatch will change it
+	trypos = &pos_copy;
+	curwin->w_cursor = *trypos;
+	pos = NULL;
+	// ignore the { if it's in a // or / *  * / comment
+	if ((colnr_T)cin_skip2pos(trypos) == trypos->col
+		       && (pos = ind_find_start_CORS(NULL)) == NULL) // XXX
+	    break;
+	if (pos != NULL)
+	    curwin->w_cursor.lnum = pos->lnum;
+    }
+    curwin->w_cursor = cursor_save;
+    return trypos;
+}
+
+/*
+ * Find the matching '(', ignoring it if it is in a comment.
+ * Return NULL if no match found.
+ */
+    static pos_T *
+find_match_paren(int ind_maxparen)	// XXX
+{
+    return find_match_char('(', ind_maxparen);
+}
+
+    static pos_T *
+find_match_char(int c, int ind_maxparen)	// XXX
+{
+    pos_T	cursor_save;
+    pos_T	*trypos;
+    static pos_T pos_copy;
+    int		ind_maxp_wk;
+
+    cursor_save = curwin->w_cursor;
+    ind_maxp_wk = ind_maxparen;
+retry:
+    if ((trypos = findmatchlimit(NULL, c, 0, ind_maxp_wk)) != NULL)
+    {
+	// check if the ( is in a // comment
+	if ((colnr_T)cin_skip2pos(trypos) > trypos->col)
+	{
+	    ind_maxp_wk = ind_maxparen - (int)(cursor_save.lnum - trypos->lnum);
+	    if (ind_maxp_wk > 0)
+	    {
+		curwin->w_cursor = *trypos;
+		curwin->w_cursor.col = 0;	// XXX
+		goto retry;
+	    }
+	    trypos = NULL;
+	}
+	else
+	{
+	    pos_T	*trypos_wk;
+
+	    pos_copy = *trypos;	    // copy trypos, findmatch will change it
+	    trypos = &pos_copy;
+	    curwin->w_cursor = *trypos;
+	    if ((trypos_wk = ind_find_start_CORS(NULL)) != NULL) // XXX
+	    {
+		ind_maxp_wk = ind_maxparen - (int)(cursor_save.lnum
+			- trypos_wk->lnum);
+		if (ind_maxp_wk > 0)
+		{
+		    curwin->w_cursor = *trypos_wk;
+		    goto retry;
+		}
+		trypos = NULL;
+	    }
+	}
+    }
+    curwin->w_cursor = cursor_save;
+    return trypos;
+}
+
+/*
+ * Find the matching '(', ignoring it if it is in a comment or before an
+ * unmatched {.
+ * Return NULL if no match found.
+ */
+    static pos_T *
+find_match_paren_after_brace (int ind_maxparen)	    // XXX
+{
+    pos_T	*trypos = find_match_paren(ind_maxparen);
+
+    if (trypos != NULL)
+    {
+	pos_T	*tryposBrace = find_start_brace();
+
+	// If both an unmatched '(' and '{' is found.  Ignore the '('
+	// position if the '{' is further down.
+	if (tryposBrace != NULL
+		&& (trypos->lnum != tryposBrace->lnum
+		    ? trypos->lnum < tryposBrace->lnum
+		    : trypos->col < tryposBrace->col))
+	    trypos = NULL;
+    }
+    return trypos;
+}
+
+/*
+ * Return ind_maxparen corrected for the difference in line number between the
+ * cursor position and "startpos".  This makes sure that searching for a
+ * matching paren above the cursor line doesn't find a match because of
+ * looking a few lines further.
+ */
+    static int
+corr_ind_maxparen(pos_T *startpos)
+{
+    long	n = (long)startpos->lnum - (long)curwin->w_cursor.lnum;
+
+    if (n > 0 && n < curbuf->b_ind_maxparen / 2)
+	return curbuf->b_ind_maxparen - (int)n;
+    return curbuf->b_ind_maxparen;
+}
+
+/*
+ * Set w_cursor.col to the column number of the last unmatched ')' or '{' in
+ * line "l".  "l" must point to the start of the line.
+ */
+    static int
+find_last_paren(char_u *l, int start, int end)
+{
+    int		i;
+    int		retval = FALSE;
+    int		open_count = 0;
+
+    curwin->w_cursor.col = 0;		    // default is start of line
+
+    for (i = 0; l[i] != NUL; i++)
+    {
+	i = (int)(cin_skipcomment(l + i) - l); // ignore parens in comments
+	i = (int)(skip_string(l + i) - l);    // ignore parens in quotes
+	if (l[i] == start)
+	    ++open_count;
+	else if (l[i] == end)
+	{
+	    if (open_count > 0)
+		--open_count;
+	    else
+	    {
+		curwin->w_cursor.col = i;
+		retval = TRUE;
+	    }
+	}
+    }
+    return retval;
+}
+
+/*
+ * Parse 'cinoptions' and set the values in "curbuf".
+ * Must be called when 'cinoptions', 'shiftwidth' and/or 'tabstop' changes.
+ */
+    void
+parse_cino(buf_T *buf)
+{
+    char_u	*p;
+    char_u	*l;
+    char_u	*digits;
+    int		n;
+    int		divider;
+    int		fraction = 0;
+    int		sw = (int)get_sw_value(buf);
+
+    // Set the default values.
+
+    // Spaces from a block's opening brace the prevailing indent for that
+    // block should be.
+    buf->b_ind_level = sw;
+
+    // Spaces from the edge of the line an open brace that's at the end of a
+    // line is imagined to be.
+    buf->b_ind_open_imag = 0;
+
+    // Spaces from the prevailing indent for a line that is not preceded by
+    // an opening brace.
+    buf->b_ind_no_brace = 0;
+
+    // Column where the first { of a function should be located }.
+    buf->b_ind_first_open = 0;
+
+    // Spaces from the prevailing indent a leftmost open brace should be
+    // located.
+    buf->b_ind_open_extra = 0;
+
+    // Spaces from the matching open brace (real location for one at the left
+    // edge; imaginary location from one that ends a line) the matching close
+    // brace should be located.
+    buf->b_ind_close_extra = 0;
+
+    // Spaces from the edge of the line an open brace sitting in the leftmost
+    // column is imagined to be.
+    buf->b_ind_open_left_imag = 0;
+
+    // Spaces jump labels should be shifted to the left if N is non-negative,
+    // otherwise the jump label will be put to column 1.
+    buf->b_ind_jump_label = -1;
+
+    // Spaces from the switch() indent a "case xx" label should be located.
+    buf->b_ind_case = sw;
+
+    // Spaces from the "case xx:" code after a switch() should be located.
+    buf->b_ind_case_code = sw;
+
+    // Lineup break at end of case in switch() with case label.
+    buf->b_ind_case_break = 0;
+
+    // Spaces from the class declaration indent a scope declaration label
+    // should be located.
+    buf->b_ind_scopedecl = sw;
+
+    // Spaces from the scope declaration label code should be located.
+    buf->b_ind_scopedecl_code = sw;
+
+    // Amount K&R-style parameters should be indented.
+    buf->b_ind_param = sw;
+
+    // Amount a function type spec should be indented.
+    buf->b_ind_func_type = sw;
+
+    // Amount a cpp base class declaration or constructor initialization
+    // should be indented.
+    buf->b_ind_cpp_baseclass = sw;
+
+    // additional spaces beyond the prevailing indent a continuation line
+    // should be located.
+    buf->b_ind_continuation = sw;
+
+    // Spaces from the indent of the line with an unclosed parentheses.
+    buf->b_ind_unclosed = sw * 2;
+
+    // Spaces from the indent of the line with an unclosed parentheses, which
+    // itself is also unclosed.
+    buf->b_ind_unclosed2 = sw;
+
+    // Suppress ignoring spaces from the indent of a line starting with an
+    // unclosed parentheses.
+    buf->b_ind_unclosed_noignore = 0;
+
+    // If the opening paren is the last nonwhite character on the line, and
+    // b_ind_unclosed_wrapped is nonzero, use this indent relative to the outer
+    // context (for very long lines).
+    buf->b_ind_unclosed_wrapped = 0;
+
+    // Suppress ignoring white space when lining up with the character after
+    // an unclosed parentheses.
+    buf->b_ind_unclosed_whiteok = 0;
+
+    // Indent a closing parentheses under the line start of the matching
+    // opening parentheses.
+    buf->b_ind_matching_paren = 0;
+
+    // Indent a closing parentheses under the previous line.
+    buf->b_ind_paren_prev = 0;
+
+    // Extra indent for comments.
+    buf->b_ind_comment = 0;
+
+    // Spaces from the comment opener when there is nothing after it.
+    buf->b_ind_in_comment = 3;
+
+    // Boolean: if non-zero, use b_ind_in_comment even if there is something
+    // after the comment opener.
+    buf->b_ind_in_comment2 = 0;
+
+    // Max lines to search for an open paren.
+    buf->b_ind_maxparen = 20;
+
+    // Max lines to search for an open comment.
+    buf->b_ind_maxcomment = 70;
+
+    // Handle braces for java code.
+    buf->b_ind_java = 0;
+
+    // Not to confuse JS object properties with labels.
+    buf->b_ind_js = 0;
+
+    // Handle blocked cases correctly.
+    buf->b_ind_keep_case_label = 0;
+
+    // Handle C++ namespace.
+    buf->b_ind_cpp_namespace = 0;
+
+    // Handle continuation lines containing conditions of if(), for() and
+    // while().
+    buf->b_ind_if_for_while = 0;
+
+    // indentation for # comments
+    buf->b_ind_hash_comment = 0;
+
+    // Handle C++ extern "C" or "C++"
+    buf->b_ind_cpp_extern_c = 0;
+
+    for (p = buf->b_p_cino; *p; )
+    {
+	l = p++;
+	if (*p == '-')
+	    ++p;
+	digits = p;	    // remember where the digits start
+	n = getdigits(&p);
+	divider = 0;
+	if (*p == '.')	    // ".5s" means a fraction
+	{
+	    fraction = atol((char *)++p);
+	    while (VIM_ISDIGIT(*p))
+	    {
+		++p;
+		if (divider)
+		    divider *= 10;
+		else
+		    divider = 10;
+	    }
+	}
+	if (*p == 's')	    // "2s" means two times 'shiftwidth'
+	{
+	    if (p == digits)
+		n = sw;	// just "s" is one 'shiftwidth'
+	    else
+	    {
+		n *= sw;
+		if (divider)
+		    n += (sw * fraction + divider / 2) / divider;
+	    }
+	    ++p;
+	}
+	if (l[1] == '-')
+	    n = -n;
+
+	// When adding an entry here, also update the default 'cinoptions' in
+	// doc/indent.txt, and add explanation for it!
+	switch (*l)
+	{
+	    case '>': buf->b_ind_level = n; break;
+	    case 'e': buf->b_ind_open_imag = n; break;
+	    case 'n': buf->b_ind_no_brace = n; break;
+	    case 'f': buf->b_ind_first_open = n; break;
+	    case '{': buf->b_ind_open_extra = n; break;
+	    case '}': buf->b_ind_close_extra = n; break;
+	    case '^': buf->b_ind_open_left_imag = n; break;
+	    case 'L': buf->b_ind_jump_label = n; break;
+	    case ':': buf->b_ind_case = n; break;
+	    case '=': buf->b_ind_case_code = n; break;
+	    case 'b': buf->b_ind_case_break = n; break;
+	    case 'p': buf->b_ind_param = n; break;
+	    case 't': buf->b_ind_func_type = n; break;
+	    case '/': buf->b_ind_comment = n; break;
+	    case 'c': buf->b_ind_in_comment = n; break;
+	    case 'C': buf->b_ind_in_comment2 = n; break;
+	    case 'i': buf->b_ind_cpp_baseclass = n; break;
+	    case '+': buf->b_ind_continuation = n; break;
+	    case '(': buf->b_ind_unclosed = n; break;
+	    case 'u': buf->b_ind_unclosed2 = n; break;
+	    case 'U': buf->b_ind_unclosed_noignore = n; break;
+	    case 'W': buf->b_ind_unclosed_wrapped = n; break;
+	    case 'w': buf->b_ind_unclosed_whiteok = n; break;
+	    case 'm': buf->b_ind_matching_paren = n; break;
+	    case 'M': buf->b_ind_paren_prev = n; break;
+	    case ')': buf->b_ind_maxparen = n; break;
+	    case '*': buf->b_ind_maxcomment = n; break;
+	    case 'g': buf->b_ind_scopedecl = n; break;
+	    case 'h': buf->b_ind_scopedecl_code = n; break;
+	    case 'j': buf->b_ind_java = n; break;
+	    case 'J': buf->b_ind_js = n; break;
+	    case 'l': buf->b_ind_keep_case_label = n; break;
+	    case '#': buf->b_ind_hash_comment = n; break;
+	    case 'N': buf->b_ind_cpp_namespace = n; break;
+	    case 'k': buf->b_ind_if_for_while = n; break;
+	    case 'E': buf->b_ind_cpp_extern_c = n; break;
+	}
+	if (*p == ',')
+	    ++p;
+    }
+}
+
+/*
+ * Return the desired indent for C code.
+ * Return -1 if the indent should be left alone (inside a raw string).
+ */
+    int
+get_c_indent(void)
+{
+    pos_T	cur_curpos;
+    int		amount;
+    int		scope_amount;
+    int		cur_amount = MAXCOL;
+    colnr_T	col;
+    char_u	*theline;
+    char_u	*linecopy;
+    pos_T	*trypos;
+    pos_T	*comment_pos;
+    pos_T	*tryposBrace = NULL;
+    pos_T	tryposCopy;
+    pos_T	our_paren_pos;
+    char_u	*start;
+    int		start_brace;
+#define BRACE_IN_COL0		1	    // '{' is in column 0
+#define BRACE_AT_START		2	    // '{' is at start of line
+#define BRACE_AT_END		3	    // '{' is at end of line
+    linenr_T	ourscope;
+    char_u	*l;
+    char_u	*look;
+    char_u	terminated;
+    int		lookfor;
+#define LOOKFOR_INITIAL		0
+#define LOOKFOR_IF		1
+#define LOOKFOR_DO		2
+#define LOOKFOR_CASE		3
+#define LOOKFOR_ANY		4
+#define LOOKFOR_TERM		5
+#define LOOKFOR_UNTERM		6
+#define LOOKFOR_SCOPEDECL	7
+#define LOOKFOR_NOBREAK		8
+#define LOOKFOR_CPP_BASECLASS	9
+#define LOOKFOR_ENUM_OR_INIT	10
+#define LOOKFOR_JS_KEY		11
+#define LOOKFOR_COMMA		12
+
+    int		whilelevel;
+    linenr_T	lnum;
+    int		n;
+    int		iscase;
+    int		lookfor_break;
+    int		lookfor_cpp_namespace = FALSE;
+    int		cont_amount = 0;    // amount for continuation line
+    int		original_line_islabel;
+    int		added_to_amount = 0;
+    int		js_cur_has_key = 0;
+    linenr_T	raw_string_start = 0;
+    cpp_baseclass_cache_T cache_cpp_baseclass = { FALSE, { MAXLNUM, 0 } };
+
+    // make a copy, value is changed below
+    int		ind_continuation = curbuf->b_ind_continuation;
+
+    // remember where the cursor was when we started
+    cur_curpos = curwin->w_cursor;
+
+    // if we are at line 1 zero indent is fine, right?
+    if (cur_curpos.lnum == 1)
+	return 0;
+
+    // Get a copy of the current contents of the line.
+    // This is required, because only the most recent line obtained with
+    // ml_get is valid!
+    linecopy = vim_strsave(ml_get(cur_curpos.lnum));
+    if (linecopy == NULL)
+	return 0;
+
+    // In insert mode and the cursor is on a ')' truncate the line at the
+    // cursor position.  We don't want to line up with the matching '(' when
+    // inserting new stuff.
+    // For unknown reasons the cursor might be past the end of the line, thus
+    // check for that.
+    if ((State & INSERT)
+	    && curwin->w_cursor.col < (colnr_T)STRLEN(linecopy)
+	    && linecopy[curwin->w_cursor.col] == ')')
+	linecopy[curwin->w_cursor.col] = NUL;
+
+    theline = skipwhite(linecopy);
+
+    // move the cursor to the start of the line
+
+    curwin->w_cursor.col = 0;
+
+    original_line_islabel = cin_islabel();  // XXX
+
+    // If we are inside a raw string don't change the indent.
+    // Ignore a raw string inside a comment.
+    comment_pos = ind_find_start_comment();
+    if (comment_pos != NULL)
+    {
+	// findmatchlimit() static pos is overwritten, make a copy
+	tryposCopy = *comment_pos;
+	comment_pos = &tryposCopy;
+    }
+    trypos = find_start_rawstring(curbuf->b_ind_maxcomment);
+    if (trypos != NULL && (comment_pos == NULL
+					     || LT_POS(*trypos, *comment_pos)))
+    {
+	amount = -1;
+	goto laterend;
+    }
+
+    // #defines and so on always go at the left when included in 'cinkeys'.
+    if (*theline == '#' && (*linecopy == '#' || in_cinkeys('#', ' ', TRUE)))
+    {
+	amount = curbuf->b_ind_hash_comment;
+	goto theend;
+    }
+
+    // Is it a non-case label?	Then that goes at the left margin too unless:
+    //  - JS flag is set.
+    //  - 'L' item has a positive value.
+    if (original_line_islabel && !curbuf->b_ind_js
+					      && curbuf->b_ind_jump_label < 0)
+    {
+	amount = 0;
+	goto theend;
+    }
+
+    // If we're inside a "//" comment and there is a "//" comment in a
+    // previous line, lineup with that one.
+    if (cin_islinecomment(theline)
+	    && (trypos = find_line_comment()) != NULL) // XXX
+    {
+	// find how indented the line beginning the comment is
+	getvcol(curwin, trypos, &col, NULL, NULL);
+	amount = col;
+	goto theend;
+    }
+
+    // If we're inside a comment and not looking at the start of the
+    // comment, try using the 'comments' option.
+    if (!cin_iscomment(theline) && comment_pos != NULL) // XXX
+    {
+	int	lead_start_len = 2;
+	int	lead_middle_len = 1;
+	char_u	lead_start[COM_MAX_LEN];	// start-comment string
+	char_u	lead_middle[COM_MAX_LEN];	// middle-comment string
+	char_u	lead_end[COM_MAX_LEN];		// end-comment string
+	char_u	*p;
+	int	start_align = 0;
+	int	start_off = 0;
+	int	done = FALSE;
+
+	// find how indented the line beginning the comment is
+	getvcol(curwin, comment_pos, &col, NULL, NULL);
+	amount = col;
+	*lead_start = NUL;
+	*lead_middle = NUL;
+
+	p = curbuf->b_p_com;
+	while (*p != NUL)
+	{
+	    int	align = 0;
+	    int	off = 0;
+	    int what = 0;
+
+	    while (*p != NUL && *p != ':')
+	    {
+		if (*p == COM_START || *p == COM_END || *p == COM_MIDDLE)
+		    what = *p++;
+		else if (*p == COM_LEFT || *p == COM_RIGHT)
+		    align = *p++;
+		else if (VIM_ISDIGIT(*p) || *p == '-')
+		    off = getdigits(&p);
+		else
+		    ++p;
+	    }
+
+	    if (*p == ':')
+		++p;
+	    (void)copy_option_part(&p, lead_end, COM_MAX_LEN, ",");
+	    if (what == COM_START)
+	    {
+		STRCPY(lead_start, lead_end);
+		lead_start_len = (int)STRLEN(lead_start);
+		start_off = off;
+		start_align = align;
+	    }
+	    else if (what == COM_MIDDLE)
+	    {
+		STRCPY(lead_middle, lead_end);
+		lead_middle_len = (int)STRLEN(lead_middle);
+	    }
+	    else if (what == COM_END)
+	    {
+		// If our line starts with the middle comment string, line it
+		// up with the comment opener per the 'comments' option.
+		if (STRNCMP(theline, lead_middle, lead_middle_len) == 0
+			&& STRNCMP(theline, lead_end, STRLEN(lead_end)) != 0)
+		{
+		    done = TRUE;
+		    if (curwin->w_cursor.lnum > 1)
+		    {
+			// If the start comment string matches in the previous
+			// line, use the indent of that line plus offset.  If
+			// the middle comment string matches in the previous
+			// line, use the indent of that line.  XXX
+			look = skipwhite(ml_get(curwin->w_cursor.lnum - 1));
+			if (STRNCMP(look, lead_start, lead_start_len) == 0)
+			    amount = get_indent_lnum(curwin->w_cursor.lnum - 1);
+			else if (STRNCMP(look, lead_middle,
+							lead_middle_len) == 0)
+			{
+			    amount = get_indent_lnum(curwin->w_cursor.lnum - 1);
+			    break;
+			}
+			// If the start comment string doesn't match with the
+			// start of the comment, skip this entry.  XXX
+			else if (STRNCMP(ml_get(comment_pos->lnum) + comment_pos->col,
+					     lead_start, lead_start_len) != 0)
+			    continue;
+		    }
+		    if (start_off != 0)
+			amount += start_off;
+		    else if (start_align == COM_RIGHT)
+			amount += vim_strsize(lead_start)
+						   - vim_strsize(lead_middle);
+		    break;
+		}
+
+		// If our line starts with the end comment string, line it up
+		// with the middle comment
+		if (STRNCMP(theline, lead_middle, lead_middle_len) != 0
+			&& STRNCMP(theline, lead_end, STRLEN(lead_end)) == 0)
+		{
+		    amount = get_indent_lnum(curwin->w_cursor.lnum - 1);
+								     // XXX
+		    if (off != 0)
+			amount += off;
+		    else if (align == COM_RIGHT)
+			amount += vim_strsize(lead_start)
+						   - vim_strsize(lead_middle);
+		    done = TRUE;
+		    break;
+		}
+	    }
+	}
+
+	// If our line starts with an asterisk, line up with the
+	// asterisk in the comment opener; otherwise, line up
+	// with the first character of the comment text.
+	if (done)
+	    ;
+	else if (theline[0] == '*')
+	    amount += 1;
+	else
+	{
+	    // If we are more than one line away from the comment opener, take
+	    // the indent of the previous non-empty line.  If 'cino' has "CO"
+	    // and we are just below the comment opener and there are any
+	    // white characters after it line up with the text after it;
+	    // otherwise, add the amount specified by "c" in 'cino'
+	    amount = -1;
+	    for (lnum = cur_curpos.lnum - 1; lnum > comment_pos->lnum; --lnum)
+	    {
+		if (linewhite(lnum))		    // skip blank lines
+		    continue;
+		amount = get_indent_lnum(lnum);	    // XXX
+		break;
+	    }
+	    if (amount == -1)			    // use the comment opener
+	    {
+		if (!curbuf->b_ind_in_comment2)
+		{
+		    start = ml_get(comment_pos->lnum);
+		    look = start + comment_pos->col + 2; // skip / and *
+		    if (*look != NUL)		    // if something after it
+			comment_pos->col = (colnr_T)(skipwhite(look) - start);
+		}
+		getvcol(curwin, comment_pos, &col, NULL, NULL);
+		amount = col;
+		if (curbuf->b_ind_in_comment2 || *look == NUL)
+		    amount += curbuf->b_ind_in_comment;
+	    }
+	}
+	goto theend;
+    }
+
+    // Are we looking at a ']' that has a match?
+    if (*skipwhite(theline) == ']'
+	    && (trypos = find_match_char('[', curbuf->b_ind_maxparen)) != NULL)
+    {
+	// align with the line containing the '['.
+	amount = get_indent_lnum(trypos->lnum);
+	goto theend;
+    }
+
+    // Are we inside parentheses or braces?  XXX
+    if (((trypos = find_match_paren(curbuf->b_ind_maxparen)) != NULL
+		&& curbuf->b_ind_java == 0)
+	    || (tryposBrace = find_start_brace()) != NULL
+	    || trypos != NULL)
+    {
+      if (trypos != NULL && tryposBrace != NULL)
+      {
+	  // Both an unmatched '(' and '{' is found.  Use the one which is
+	  // closer to the current cursor position, set the other to NULL.
+	  if (trypos->lnum != tryposBrace->lnum
+		  ? trypos->lnum < tryposBrace->lnum
+		  : trypos->col < tryposBrace->col)
+	      trypos = NULL;
+	  else
+	      tryposBrace = NULL;
+      }
+
+      if (trypos != NULL)
+      {
+	// If the matching paren is more than one line away, use the indent of
+	// a previous non-empty line that matches the same paren.
+	if (theline[0] == ')' && curbuf->b_ind_paren_prev)
+	{
+	    // Line up with the start of the matching paren line.
+	    amount = get_indent_lnum(curwin->w_cursor.lnum - 1);  // XXX
+	}
+	else
+	{
+	    amount = -1;
+	    our_paren_pos = *trypos;
+	    for (lnum = cur_curpos.lnum - 1; lnum > our_paren_pos.lnum; --lnum)
+	    {
+		l = skipwhite(ml_get(lnum));
+		if (cin_nocode(l))		// skip comment lines
+		    continue;
+		if (cin_ispreproc_cont(&l, &lnum, &amount))
+		    continue;			// ignore #define, #if, etc.
+		curwin->w_cursor.lnum = lnum;
+
+		// Skip a comment or raw string.  XXX
+		if ((trypos = ind_find_start_CORS(NULL)) != NULL)
+		{
+		    lnum = trypos->lnum + 1;
+		    continue;
+		}
+
+		// XXX
+		if ((trypos = find_match_paren(
+			corr_ind_maxparen(&cur_curpos))) != NULL
+			&& trypos->lnum == our_paren_pos.lnum
+			&& trypos->col == our_paren_pos.col)
+		{
+			amount = get_indent_lnum(lnum);	// XXX
+
+			if (theline[0] == ')')
+			{
+			    if (our_paren_pos.lnum != lnum
+						       && cur_amount > amount)
+				cur_amount = amount;
+			    amount = -1;
+			}
+		    break;
+		}
+	    }
+	}
+
+	// Line up with line where the matching paren is. XXX
+	// If the line starts with a '(' or the indent for unclosed
+	// parentheses is zero, line up with the unclosed parentheses.
+	if (amount == -1)
+	{
+	    int	    ignore_paren_col = 0;
+	    int	    is_if_for_while = 0;
+
+	    if (curbuf->b_ind_if_for_while)
+	    {
+		// Look for the outermost opening parenthesis on this line
+		// and check whether it belongs to an "if", "for" or "while".
+
+		pos_T	    cursor_save = curwin->w_cursor;
+		pos_T	    outermost;
+		char_u	    *line;
+
+		trypos = &our_paren_pos;
+		do {
+		    outermost = *trypos;
+		    curwin->w_cursor.lnum = outermost.lnum;
+		    curwin->w_cursor.col = outermost.col;
+
+		    trypos = find_match_paren(curbuf->b_ind_maxparen);
+		} while (trypos && trypos->lnum == outermost.lnum);
+
+		curwin->w_cursor = cursor_save;
+
+		line = ml_get(outermost.lnum);
+
+		is_if_for_while =
+		    cin_is_if_for_while_before_offset(line, &outermost.col);
+	    }
+
+	    amount = skip_label(our_paren_pos.lnum, &look);
+	    look = skipwhite(look);
+	    if (*look == '(')
+	    {
+		linenr_T    save_lnum = curwin->w_cursor.lnum;
+		char_u	    *line;
+		int	    look_col;
+
+		// Ignore a '(' in front of the line that has a match before
+		// our matching '('.
+		curwin->w_cursor.lnum = our_paren_pos.lnum;
+		line = ml_get_curline();
+		look_col = (int)(look - line);
+		curwin->w_cursor.col = look_col + 1;
+		if ((trypos = findmatchlimit(NULL, ')', 0,
+						      curbuf->b_ind_maxparen))
+								      != NULL
+			  && trypos->lnum == our_paren_pos.lnum
+			  && trypos->col < our_paren_pos.col)
+		    ignore_paren_col = trypos->col + 1;
+
+		curwin->w_cursor.lnum = save_lnum;
+		look = ml_get(our_paren_pos.lnum) + look_col;
+	    }
+	    if (theline[0] == ')' || (curbuf->b_ind_unclosed == 0
+						      && is_if_for_while == 0)
+		    || (!curbuf->b_ind_unclosed_noignore && *look == '('
+						    && ignore_paren_col == 0))
+	    {
+		// If we're looking at a close paren, line up right there;
+		// otherwise, line up with the next (non-white) character.
+		// When b_ind_unclosed_wrapped is set and the matching paren is
+		// the last nonwhite character of the line, use either the
+		// indent of the current line or the indentation of the next
+		// outer paren and add b_ind_unclosed_wrapped (for very long
+		// lines).
+		if (theline[0] != ')')
+		{
+		    cur_amount = MAXCOL;
+		    l = ml_get(our_paren_pos.lnum);
+		    if (curbuf->b_ind_unclosed_wrapped
+				       && cin_ends_in(l, (char_u *)"(", NULL))
+		    {
+			// look for opening unmatched paren, indent one level
+			// for each additional level
+			n = 1;
+			for (col = 0; col < our_paren_pos.col; ++col)
+			{
+			    switch (l[col])
+			    {
+				case '(':
+				case '{': ++n;
+					  break;
+
+				case ')':
+				case '}': if (n > 1)
+					      --n;
+					  break;
+			    }
+			}
+
+			our_paren_pos.col = 0;
+			amount += n * curbuf->b_ind_unclosed_wrapped;
+		    }
+		    else if (curbuf->b_ind_unclosed_whiteok)
+			our_paren_pos.col++;
+		    else
+		    {
+			col = our_paren_pos.col + 1;
+			while (VIM_ISWHITE(l[col]))
+			    col++;
+			if (l[col] != NUL)	// In case of trailing space
+			    our_paren_pos.col = col;
+			else
+			    our_paren_pos.col++;
+		    }
+		}
+
+		// Find how indented the paren is, or the character after it
+		// if we did the above "if".
+		if (our_paren_pos.col > 0)
+		{
+		    getvcol(curwin, &our_paren_pos, &col, NULL, NULL);
+		    if (cur_amount > (int)col)
+			cur_amount = col;
+		}
+	    }
+
+	    if (theline[0] == ')' && curbuf->b_ind_matching_paren)
+	    {
+		// Line up with the start of the matching paren line.
+	    }
+	    else if ((curbuf->b_ind_unclosed == 0 && is_if_for_while == 0)
+		     || (!curbuf->b_ind_unclosed_noignore
+				    && *look == '(' && ignore_paren_col == 0))
+	    {
+		if (cur_amount != MAXCOL)
+		    amount = cur_amount;
+	    }
+	    else
+	    {
+		// Add b_ind_unclosed2 for each '(' before our matching one,
+		// but ignore (void) before the line (ignore_paren_col).
+		col = our_paren_pos.col;
+		while ((int)our_paren_pos.col > ignore_paren_col)
+		{
+		    --our_paren_pos.col;
+		    switch (*ml_get_pos(&our_paren_pos))
+		    {
+			case '(': amount += curbuf->b_ind_unclosed2;
+				  col = our_paren_pos.col;
+				  break;
+			case ')': amount -= curbuf->b_ind_unclosed2;
+				  col = MAXCOL;
+				  break;
+		    }
+		}
+
+		// Use b_ind_unclosed once, when the first '(' is not inside
+		// braces
+		if (col == MAXCOL)
+		    amount += curbuf->b_ind_unclosed;
+		else
+		{
+		    curwin->w_cursor.lnum = our_paren_pos.lnum;
+		    curwin->w_cursor.col = col;
+		    if (find_match_paren_after_brace(curbuf->b_ind_maxparen)
+								      != NULL)
+			amount += curbuf->b_ind_unclosed2;
+		    else
+		    {
+			if (is_if_for_while)
+			    amount += curbuf->b_ind_if_for_while;
+			else
+			    amount += curbuf->b_ind_unclosed;
+		    }
+		}
+		// For a line starting with ')' use the minimum of the two
+		// positions, to avoid giving it more indent than the previous
+		// lines:
+		//  func_long_name(		    if (x
+		//	arg				    && yy
+		//	)	  ^ not here	       )    ^ not here
+		if (cur_amount < amount)
+		    amount = cur_amount;
+	    }
+	}
+
+	// add extra indent for a comment
+	if (cin_iscomment(theline))
+	    amount += curbuf->b_ind_comment;
+      }
+      else
+      {
+	// We are inside braces, there is a { before this line at the position
+	// stored in tryposBrace.
+	// Make a copy of tryposBrace, it may point to pos_copy inside
+	// find_start_brace(), which may be changed somewhere.
+	tryposCopy = *tryposBrace;
+	tryposBrace = &tryposCopy;
+	trypos = tryposBrace;
+	ourscope = trypos->lnum;
+	start = ml_get(ourscope);
+
+	// Now figure out how indented the line is in general.
+	// If the brace was at the start of the line, we use that;
+	// otherwise, check out the indentation of the line as
+	// a whole and then add the "imaginary indent" to that.
+	look = skipwhite(start);
+	if (*look == '{')
+	{
+	    getvcol(curwin, trypos, &col, NULL, NULL);
+	    amount = col;
+	    if (*start == '{')
+		start_brace = BRACE_IN_COL0;
+	    else
+		start_brace = BRACE_AT_START;
+	}
+	else
+	{
+	    // That opening brace might have been on a continuation
+	    // line.  if so, find the start of the line.
+	    curwin->w_cursor.lnum = ourscope;
+
+	    // Position the cursor over the rightmost paren, so that
+	    // matching it will take us back to the start of the line.
+	    lnum = ourscope;
+	    if (find_last_paren(start, '(', ')')
+			&& (trypos = find_match_paren(curbuf->b_ind_maxparen))
+								      != NULL)
+		lnum = trypos->lnum;
+
+	    // It could have been something like
+	    //	   case 1: if (asdf &&
+	    //			ldfd) {
+	    //		    }
+	    if ((curbuf->b_ind_js || curbuf->b_ind_keep_case_label)
+			   && cin_iscase(skipwhite(ml_get_curline()), FALSE))
+		amount = get_indent();
+	    else if (curbuf->b_ind_js)
+		amount = get_indent_lnum(lnum);
+	    else
+		amount = skip_label(lnum, &l);
+
+	    start_brace = BRACE_AT_END;
+	}
+
+	// For Javascript check if the line starts with "key:".
+	if (curbuf->b_ind_js)
+	    js_cur_has_key = cin_has_js_key(theline);
+
+	// If we're looking at a closing brace, that's where
+	// we want to be.  otherwise, add the amount of room
+	// that an indent is supposed to be.
+	if (theline[0] == '}')
+	{
+	    // they may want closing braces to line up with something
+	    // other than the open brace.  indulge them, if so.
+	    amount += curbuf->b_ind_close_extra;
+	}
+	else
+	{
+	    // If we're looking at an "else", try to find an "if"
+	    // to match it with.
+	    // If we're looking at a "while", try to find a "do"
+	    // to match it with.
+	    lookfor = LOOKFOR_INITIAL;
+	    if (cin_iselse(theline))
+		lookfor = LOOKFOR_IF;
+	    else if (cin_iswhileofdo(theline, cur_curpos.lnum)) // XXX
+		lookfor = LOOKFOR_DO;
+	    if (lookfor != LOOKFOR_INITIAL)
+	    {
+		curwin->w_cursor.lnum = cur_curpos.lnum;
+		if (find_match(lookfor, ourscope) == OK)
+		{
+		    amount = get_indent();	// XXX
+		    goto theend;
+		}
+	    }
+
+	    // We get here if we are not on an "while-of-do" or "else" (or
+	    // failed to find a matching "if").
+	    // Search backwards for something to line up with.
+	    // First set amount for when we don't find anything.
+
+	    // if the '{' is  _really_ at the left margin, use the imaginary
+	    // location of a left-margin brace.  Otherwise, correct the
+	    // location for b_ind_open_extra.
+
+	    if (start_brace == BRACE_IN_COL0)	    // '{' is in column 0
+	    {
+		amount = curbuf->b_ind_open_left_imag;
+		lookfor_cpp_namespace = TRUE;
+	    }
+	    else if (start_brace == BRACE_AT_START &&
+		    lookfor_cpp_namespace)	  // '{' is at start
+	    {
+
+		lookfor_cpp_namespace = TRUE;
+	    }
+	    else
+	    {
+		if (start_brace == BRACE_AT_END)    // '{' is at end of line
+		{
+		    amount += curbuf->b_ind_open_imag;
+
+		    l = skipwhite(ml_get_curline());
+		    if (cin_is_cpp_namespace(l))
+			amount += curbuf->b_ind_cpp_namespace;
+		    else if (cin_is_cpp_extern_c(l))
+			amount += curbuf->b_ind_cpp_extern_c;
+		}
+		else
+		{
+		    // Compensate for adding b_ind_open_extra later.
+		    amount -= curbuf->b_ind_open_extra;
+		    if (amount < 0)
+			amount = 0;
+		}
+	    }
+
+	    lookfor_break = FALSE;
+
+	    if (cin_iscase(theline, FALSE))	// it's a switch() label
+	    {
+		lookfor = LOOKFOR_CASE;	// find a previous switch() label
+		amount += curbuf->b_ind_case;
+	    }
+	    else if (cin_isscopedecl(theline))	// private:, ...
+	    {
+		lookfor = LOOKFOR_SCOPEDECL;	// class decl is this block
+		amount += curbuf->b_ind_scopedecl;
+	    }
+	    else
+	    {
+		if (curbuf->b_ind_case_break && cin_isbreak(theline))
+		    // break; ...
+		    lookfor_break = TRUE;
+
+		lookfor = LOOKFOR_INITIAL;
+		// b_ind_level from start of block
+		amount += curbuf->b_ind_level;
+	    }
+	    scope_amount = amount;
+	    whilelevel = 0;
+
+	    // Search backwards.  If we find something we recognize, line up
+	    // with that.
+	    //
+	    // If we're looking at an open brace, indent
+	    // the usual amount relative to the conditional
+	    // that opens the block.
+	    curwin->w_cursor = cur_curpos;
+	    for (;;)
+	    {
+		curwin->w_cursor.lnum--;
+		curwin->w_cursor.col = 0;
+
+		// If we went all the way back to the start of our scope, line
+		// up with it.
+		if (curwin->w_cursor.lnum <= ourscope)
+		{
+		    // We reached end of scope:
+		    // If looking for a enum or structure initialization
+		    // go further back:
+		    // If it is an initializer (enum xxx or xxx =), then
+		    // don't add ind_continuation, otherwise it is a variable
+		    // declaration:
+		    // int x,
+		    //     here; <-- add ind_continuation
+		    if (lookfor == LOOKFOR_ENUM_OR_INIT)
+		    {
+			if (curwin->w_cursor.lnum == 0
+				|| curwin->w_cursor.lnum
+					  < ourscope - curbuf->b_ind_maxparen)
+			{
+			    // nothing found (abuse curbuf->b_ind_maxparen as
+			    // limit) assume terminated line (i.e. a variable
+			    // initialization)
+			    if (cont_amount > 0)
+				amount = cont_amount;
+			    else if (!curbuf->b_ind_js)
+				amount += ind_continuation;
+			    break;
+			}
+
+			l = ml_get_curline();
+
+			// If we're in a comment or raw string now, skip to
+			// the start of it.
+			trypos = ind_find_start_CORS(NULL);
+			if (trypos != NULL)
+			{
+			    curwin->w_cursor.lnum = trypos->lnum + 1;
+			    curwin->w_cursor.col = 0;
+			    continue;
+			}
+
+			// Skip preprocessor directives and blank lines.
+			if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum,
+								    &amount))
+			    continue;
+
+			if (cin_nocode(l))
+			    continue;
+
+			terminated = cin_isterminated(l, FALSE, TRUE);
+
+			// If we are at top level and the line looks like a
+			// function declaration, we are done
+			// (it's a variable declaration).
+			if (start_brace != BRACE_IN_COL0
+			     || !cin_isfuncdecl(&l, curwin->w_cursor.lnum, 0))
+			{
+			    // if the line is terminated with another ','
+			    // it is a continued variable initialization.
+			    // don't add extra indent.
+			    // TODO: does not work, if  a function
+			    // declaration is split over multiple lines:
+			    // cin_isfuncdecl returns FALSE then.
+			    if (terminated == ',')
+				break;
+
+			    // if it es a enum declaration or an assignment,
+			    // we are done.
+			    if (terminated != ';' && cin_isinit())
+				break;
+
+			    // nothing useful found
+			    if (terminated == 0 || terminated == '{')
+				continue;
+			}
+
+			if (terminated != ';')
+			{
+			    // Skip parens and braces. Position the cursor
+			    // over the rightmost paren, so that matching it
+			    // will take us back to the start of the line.
+			    // XXX
+			    trypos = NULL;
+			    if (find_last_paren(l, '(', ')'))
+				trypos = find_match_paren(
+						      curbuf->b_ind_maxparen);
+
+			    if (trypos == NULL && find_last_paren(l, '{', '}'))
+				trypos = find_start_brace();
+
+			    if (trypos != NULL)
+			    {
+				curwin->w_cursor.lnum = trypos->lnum + 1;
+				curwin->w_cursor.col = 0;
+				continue;
+			    }
+			}
+
+			// it's a variable declaration, add indentation
+			// like in
+			// int a,
+			//    b;
+			if (cont_amount > 0)
+			    amount = cont_amount;
+			else
+			    amount += ind_continuation;
+		    }
+		    else if (lookfor == LOOKFOR_UNTERM)
+		    {
+			if (cont_amount > 0)
+			    amount = cont_amount;
+			else
+			    amount += ind_continuation;
+		    }
+		    else
+		    {
+			if (lookfor != LOOKFOR_TERM
+					&& lookfor != LOOKFOR_CPP_BASECLASS
+					&& lookfor != LOOKFOR_COMMA)
+			{
+			    amount = scope_amount;
+			    if (theline[0] == '{')
+			    {
+				amount += curbuf->b_ind_open_extra;
+				added_to_amount = curbuf->b_ind_open_extra;
+			    }
+			}
+
+			if (lookfor_cpp_namespace)
+			{
+			    // Looking for C++ namespace, need to look further
+			    // back.
+			    if (curwin->w_cursor.lnum == ourscope)
+				continue;
+
+			    if (curwin->w_cursor.lnum == 0
+				    || curwin->w_cursor.lnum
+					      < ourscope - FIND_NAMESPACE_LIM)
+				break;
+
+			    l = ml_get_curline();
+
+			    // If we're in a comment or raw string now, skip
+			    // to the start of it.
+			    trypos = ind_find_start_CORS(NULL);
+			    if (trypos != NULL)
+			    {
+				curwin->w_cursor.lnum = trypos->lnum + 1;
+				curwin->w_cursor.col = 0;
+				continue;
+			    }
+
+			    // Skip preprocessor directives and blank lines.
+			    if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum,
+								    &amount))
+				continue;
+
+			    // Finally the actual check for "namespace".
+			    if (cin_is_cpp_namespace(l))
+			    {
+				amount += curbuf->b_ind_cpp_namespace
+							    - added_to_amount;
+				break;
+			    }
+			    else if (cin_is_cpp_extern_c(l))
+			    {
+				amount += curbuf->b_ind_cpp_extern_c
+							    - added_to_amount;
+				break;
+			    }
+
+			    if (cin_nocode(l))
+				continue;
+			}
+		    }
+		    break;
+		}
+
+		// If we're in a comment or raw string now, skip to the start
+		// of it.  XXX
+		if ((trypos = ind_find_start_CORS(&raw_string_start)) != NULL)
+		{
+		    curwin->w_cursor.lnum = trypos->lnum + 1;
+		    curwin->w_cursor.col = 0;
+		    continue;
+		}
+
+		l = ml_get_curline();
+
+		// If this is a switch() label, may line up relative to that.
+		// If this is a C++ scope declaration, do the same.
+		iscase = cin_iscase(l, FALSE);
+		if (iscase || cin_isscopedecl(l))
+		{
+		    // we are only looking for cpp base class
+		    // declaration/initialization any longer
+		    if (lookfor == LOOKFOR_CPP_BASECLASS)
+			break;
+
+		    // When looking for a "do" we are not interested in
+		    // labels.
+		    if (whilelevel > 0)
+			continue;
+
+		    //	case xx:
+		    //	    c = 99 +	    <- this indent plus continuation
+		    //->	   here;
+		    if (lookfor == LOOKFOR_UNTERM
+					   || lookfor == LOOKFOR_ENUM_OR_INIT)
+		    {
+			if (cont_amount > 0)
+			    amount = cont_amount;
+			else
+			    amount += ind_continuation;
+			break;
+		    }
+
+		    //	case xx:	<- line up with this case
+		    //	    x = 333;
+		    //	case yy:
+		    if (       (iscase && lookfor == LOOKFOR_CASE)
+			    || (iscase && lookfor_break)
+			    || (!iscase && lookfor == LOOKFOR_SCOPEDECL))
+		    {
+			// Check that this case label is not for another
+			// switch()		    XXX
+			if ((trypos = find_start_brace()) == NULL
+						  || trypos->lnum == ourscope)
+			{
+			    amount = get_indent();	// XXX
+			    break;
+			}
+			continue;
+		    }
+
+		    n = get_indent_nolabel(curwin->w_cursor.lnum);  // XXX
+
+		    //	 case xx: if (cond)	    <- line up with this if
+		    //		      y = y + 1;
+		    // ->	  s = 99;
+		    //
+		    //	 case xx:
+		    //	     if (cond)		<- line up with this line
+		    //		 y = y + 1;
+		    // ->    s = 99;
+		    if (lookfor == LOOKFOR_TERM)
+		    {
+			if (n)
+			    amount = n;
+
+			if (!lookfor_break)
+			    break;
+		    }
+
+		    //	 case xx: x = x + 1;	    <- line up with this x
+		    // ->	  y = y + 1;
+		    //
+		    //	 case xx: if (cond)	    <- line up with this if
+		    // ->	       y = y + 1;
+		    if (n)
+		    {
+			amount = n;
+			l = after_label(ml_get_curline());
+			if (l != NULL && cin_is_cinword(l))
+			{
+			    if (theline[0] == '{')
+				amount += curbuf->b_ind_open_extra;
+			    else
+				amount += curbuf->b_ind_level
+						     + curbuf->b_ind_no_brace;
+			}
+			break;
+		    }
+
+		    // Try to get the indent of a statement before the switch
+		    // label.  If nothing is found, line up relative to the
+		    // switch label.
+		    //	    break;		<- may line up with this line
+		    //	 case xx:
+		    // ->   y = 1;
+		    scope_amount = get_indent() + (iscase    // XXX
+					? curbuf->b_ind_case_code
+					: curbuf->b_ind_scopedecl_code);
+		    lookfor = curbuf->b_ind_case_break
+					      ? LOOKFOR_NOBREAK : LOOKFOR_ANY;
+		    continue;
+		}
+
+		// Looking for a switch() label or C++ scope declaration,
+		// ignore other lines, skip {}-blocks.
+		if (lookfor == LOOKFOR_CASE || lookfor == LOOKFOR_SCOPEDECL)
+		{
+		    if (find_last_paren(l, '{', '}')
+				     && (trypos = find_start_brace()) != NULL)
+		    {
+			curwin->w_cursor.lnum = trypos->lnum + 1;
+			curwin->w_cursor.col = 0;
+		    }
+		    continue;
+		}
+
+		// Ignore jump labels with nothing after them.
+		if (!curbuf->b_ind_js && cin_islabel())
+		{
+		    l = after_label(ml_get_curline());
+		    if (l == NULL || cin_nocode(l))
+			continue;
+		}
+
+		// Ignore #defines, #if, etc.
+		// Ignore comment and empty lines.
+		// (need to get the line again, cin_islabel() may have
+		// unlocked it)
+		l = ml_get_curline();
+		if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum, &amount)
+							     || cin_nocode(l))
+		    continue;
+
+		// Are we at the start of a cpp base class declaration or
+		// constructor initialization?  XXX
+		n = FALSE;
+		if (lookfor != LOOKFOR_TERM && curbuf->b_ind_cpp_baseclass > 0)
+		{
+		    n = cin_is_cpp_baseclass(&cache_cpp_baseclass);
+		    l = ml_get_curline();
+		}
+		if (n)
+		{
+		    if (lookfor == LOOKFOR_UNTERM)
+		    {
+			if (cont_amount > 0)
+			    amount = cont_amount;
+			else
+			    amount += ind_continuation;
+		    }
+		    else if (theline[0] == '{')
+		    {
+			// Need to find start of the declaration.
+			lookfor = LOOKFOR_UNTERM;
+			ind_continuation = 0;
+			continue;
+		    }
+		    else
+			// XXX
+			amount = get_baseclass_amount(
+						cache_cpp_baseclass.lpos.col);
+		    break;
+		}
+		else if (lookfor == LOOKFOR_CPP_BASECLASS)
+		{
+		    // only look, whether there is a cpp base class
+		    // declaration or initialization before the opening brace.
+		    if (cin_isterminated(l, TRUE, FALSE))
+			break;
+		    else
+			continue;
+		}
+
+		// What happens next depends on the line being terminated.
+		// If terminated with a ',' only consider it terminating if
+		// there is another unterminated statement behind, eg:
+		//   123,
+		//   sizeof
+		//	  here
+		// Otherwise check whether it is a enumeration or structure
+		// initialisation (not indented) or a variable declaration
+		// (indented).
+		terminated = cin_isterminated(l, FALSE, TRUE);
+
+		if (js_cur_has_key)
+		{
+		    js_cur_has_key = 0; // only check the first line
+		    if (curbuf->b_ind_js && terminated == ',')
+		    {
+			// For Javascript we might be inside an object:
+			//   key: something,  <- align with this
+			//   key: something
+			// or:
+			//   key: something +  <- align with this
+			//       something,
+			//   key: something
+			lookfor = LOOKFOR_JS_KEY;
+		    }
+		}
+		if (lookfor == LOOKFOR_JS_KEY && cin_has_js_key(l))
+		{
+		    amount = get_indent();
+		    break;
+		}
+		if (lookfor == LOOKFOR_COMMA)
+		{
+		    if (tryposBrace != NULL && tryposBrace->lnum
+						    >= curwin->w_cursor.lnum)
+			break;
+		    if (terminated == ',')
+			// line below current line is the one that starts a
+			// (possibly broken) line ending in a comma.
+			break;
+		    else
+		    {
+			amount = get_indent();
+			if (curwin->w_cursor.lnum - 1 == ourscope)
+			    // line above is start of the scope, thus current
+			    // line is the one that stars a (possibly broken)
+			    // line ending in a comma.
+			    break;
+		    }
+		}
+
+		if (terminated == 0 || (lookfor != LOOKFOR_UNTERM
+							&& terminated == ','))
+		{
+		    if (lookfor != LOOKFOR_ENUM_OR_INIT &&
+			    (*skipwhite(l) == '[' || l[STRLEN(l) - 1] == '['))
+			amount += ind_continuation;
+		    // if we're in the middle of a paren thing,
+		    // go back to the line that starts it so
+		    // we can get the right prevailing indent
+		    //	   if ( foo &&
+		    //		    bar )
+
+		    // Position the cursor over the rightmost paren, so that
+		    // matching it will take us back to the start of the line.
+		    // Ignore a match before the start of the block.
+		    (void)find_last_paren(l, '(', ')');
+		    trypos = find_match_paren(corr_ind_maxparen(&cur_curpos));
+		    if (trypos != NULL && (trypos->lnum < tryposBrace->lnum
+				|| (trypos->lnum == tryposBrace->lnum
+				    && trypos->col < tryposBrace->col)))
+			trypos = NULL;
+
+		    // If we are looking for ',', we also look for matching
+		    // braces.
+		    if (trypos == NULL && terminated == ','
+					      && find_last_paren(l, '{', '}'))
+			trypos = find_start_brace();
+
+		    if (trypos != NULL)
+		    {
+			// Check if we are on a case label now.  This is
+			// handled above.
+			//     case xx:  if ( asdf &&
+			//			asdf)
+			curwin->w_cursor = *trypos;
+			l = ml_get_curline();
+			if (cin_iscase(l, FALSE) || cin_isscopedecl(l))
+			{
+			    ++curwin->w_cursor.lnum;
+			    curwin->w_cursor.col = 0;
+			    continue;
+			}
+		    }
+
+		    /*
+		     * Skip over continuation lines to find the one to get the
+		     * indent from
+		     * char *usethis = "bla\
+		     *		 bla",
+		     *      here;
+		     */
+		    if (terminated == ',')
+		    {
+			while (curwin->w_cursor.lnum > 1)
+			{
+			    l = ml_get(curwin->w_cursor.lnum - 1);
+			    if (*l == NUL || l[STRLEN(l) - 1] != '\\')
+				break;
+			    --curwin->w_cursor.lnum;
+			    curwin->w_cursor.col = 0;
+			}
+		    }
+
+		    // Get indent and pointer to text for current line,
+		    // ignoring any jump label.  XXX
+		    if (curbuf->b_ind_js)
+			cur_amount = get_indent();
+		    else
+			cur_amount = skip_label(curwin->w_cursor.lnum, &l);
+		    // If this is just above the line we are indenting, and it
+		    // starts with a '{', line it up with this line.
+		    //		while (not)
+		    // ->	{
+		    //		}
+		    if (terminated != ',' && lookfor != LOOKFOR_TERM
+							 && theline[0] == '{')
+		    {
+			amount = cur_amount;
+			// Only add b_ind_open_extra when the current line
+			// doesn't start with a '{', which must have a match
+			// in the same line (scope is the same).  Probably:
+			//	{ 1, 2 },
+			// ->	{ 3, 4 }
+			if (*skipwhite(l) != '{')
+			    amount += curbuf->b_ind_open_extra;
+
+			if (curbuf->b_ind_cpp_baseclass && !curbuf->b_ind_js)
+			{
+			    // have to look back, whether it is a cpp base
+			    // class declaration or initialization
+			    lookfor = LOOKFOR_CPP_BASECLASS;
+			    continue;
+			}
+			break;
+		    }
+
+		    // Check if we are after an "if", "while", etc.
+		    // Also allow "   } else".
+		    if (cin_is_cinword(l) || cin_iselse(skipwhite(l)))
+		    {
+			// Found an unterminated line after an if (), line up
+			// with the last one.
+			//   if (cond)
+			//	    100 +
+			// ->		here;
+			if (lookfor == LOOKFOR_UNTERM
+					   || lookfor == LOOKFOR_ENUM_OR_INIT)
+			{
+			    if (cont_amount > 0)
+				amount = cont_amount;
+			    else
+				amount += ind_continuation;
+			    break;
+			}
+
+			// If this is just above the line we are indenting, we
+			// are finished.
+			//	    while (not)
+			// ->		here;
+			// Otherwise this indent can be used when the line
+			// before this is terminated.
+			//	yyy;
+			//	if (stat)
+			//	    while (not)
+			//		xxx;
+			// ->	here;
+			amount = cur_amount;
+			if (theline[0] == '{')
+			    amount += curbuf->b_ind_open_extra;
+			if (lookfor != LOOKFOR_TERM)
+			{
+			    amount += curbuf->b_ind_level
+						     + curbuf->b_ind_no_brace;
+			    break;
+			}
+
+			// Special trick: when expecting the while () after a
+			// do, line up with the while()
+			//     do
+			//	    x = 1;
+			// ->  here
+			l = skipwhite(ml_get_curline());
+			if (cin_isdo(l))
+			{
+			    if (whilelevel == 0)
+				break;
+			    --whilelevel;
+			}
+
+			// When searching for a terminated line, don't use the
+			// one between the "if" and the matching "else".
+			// Need to use the scope of this "else".  XXX
+			// If whilelevel != 0 continue looking for a "do {".
+			if (cin_iselse(l) && whilelevel == 0)
+			{
+			    // If we're looking at "} else", let's make sure we
+			    // find the opening brace of the enclosing scope,
+			    // not the one from "if () {".
+			    if (*l == '}')
+				curwin->w_cursor.col =
+					  (colnr_T)(l - ml_get_curline()) + 1;
+
+			    if ((trypos = find_start_brace()) == NULL
+				       || find_match(LOOKFOR_IF, trypos->lnum)
+								      == FAIL)
+				break;
+			}
+		    }
+
+		    // If we're below an unterminated line that is not an
+		    // "if" or something, we may line up with this line or
+		    // add something for a continuation line, depending on
+		    // the line before this one.
+		    else
+		    {
+			// Found two unterminated lines on a row, line up with
+			// the last one.
+			//   c = 99 +
+			//	    100 +
+			// ->	    here;
+			if (lookfor == LOOKFOR_UNTERM)
+			{
+			    // When line ends in a comma add extra indent
+			    if (terminated == ',')
+				amount += ind_continuation;
+			    break;
+			}
+
+			if (lookfor == LOOKFOR_ENUM_OR_INIT)
+			{
+			    // Found two lines ending in ',', lineup with the
+			    // lowest one, but check for cpp base class
+			    // declaration/initialization, if it is an
+			    // opening brace or we are looking just for
+			    // enumerations/initializations.
+			    if (terminated == ',')
+			    {
+				if (curbuf->b_ind_cpp_baseclass == 0)
+				    break;
+
+				lookfor = LOOKFOR_CPP_BASECLASS;
+				continue;
+			    }
+
+			    // Ignore unterminated lines in between, but
+			    // reduce indent.
+			    if (amount > cur_amount)
+				amount = cur_amount;
+			}
+			else
+			{
+			    // Found first unterminated line on a row, may
+			    // line up with this line, remember its indent
+			    //	    100 +
+			    // ->	    here;
+			    l = ml_get_curline();
+			    amount = cur_amount;
+
+			    n = (int)STRLEN(l);
+			    if (terminated == ',' && (*skipwhite(l) == ']'
+					|| (n >=2 && l[n - 2] == ']')))
+				break;
+
+			    // If previous line ends in ',', check whether we
+			    // are in an initialization or enum
+			    // struct xxx =
+			    // {
+			    //      sizeof a,
+			    //      124 };
+			    // or a normal possible continuation line.
+			    // but only, of no other statement has been found
+			    // yet.
+			    if (lookfor == LOOKFOR_INITIAL && terminated == ',')
+			    {
+				if (curbuf->b_ind_js)
+				{
+				    // Search for a line ending in a comma
+				    // and line up with the line below it
+				    // (could be the current line).
+				    // some = [
+				    //     1,     <- line up here
+				    //     2,
+				    // some = [
+				    //     3 +    <- line up here
+				    //       4 *
+				    //        5,
+				    //     6,
+				    if (cin_iscomment(skipwhite(l)))
+					break;
+				    lookfor = LOOKFOR_COMMA;
+				    trypos = find_match_char('[',
+						      curbuf->b_ind_maxparen);
+				    if (trypos != NULL)
+				    {
+					if (trypos->lnum
+						 == curwin->w_cursor.lnum - 1)
+					{
+					    // Current line is first inside
+					    // [], line up with it.
+					    break;
+					}
+					ourscope = trypos->lnum;
+				    }
+				}
+				else
+				{
+				    lookfor = LOOKFOR_ENUM_OR_INIT;
+				    cont_amount = cin_first_id_amount();
+				}
+			    }
+			    else
+			    {
+				if (lookfor == LOOKFOR_INITIAL
+					&& *l != NUL
+					&& l[STRLEN(l) - 1] == '\\')
+								// XXX
+				    cont_amount = cin_get_equal_amount(
+						       curwin->w_cursor.lnum);
+				if (lookfor != LOOKFOR_TERM
+						&& lookfor != LOOKFOR_JS_KEY
+						&& lookfor != LOOKFOR_COMMA
+						&& raw_string_start != curwin->w_cursor.lnum)
+				    lookfor = LOOKFOR_UNTERM;
+			    }
+			}
+		    }
+		}
+
+		// Check if we are after a while (cond);
+		// If so: Ignore until the matching "do".
+		else if (cin_iswhileofdo_end(terminated)) // XXX
+		{
+		    // Found an unterminated line after a while ();, line up
+		    // with the last one.
+		    //	    while (cond);
+		    //	    100 +		<- line up with this one
+		    // ->	    here;
+		    if (lookfor == LOOKFOR_UNTERM
+					   || lookfor == LOOKFOR_ENUM_OR_INIT)
+		    {
+			if (cont_amount > 0)
+			    amount = cont_amount;
+			else
+			    amount += ind_continuation;
+			break;
+		    }
+
+		    if (whilelevel == 0)
+		    {
+			lookfor = LOOKFOR_TERM;
+			amount = get_indent();	    // XXX
+			if (theline[0] == '{')
+			    amount += curbuf->b_ind_open_extra;
+		    }
+		    ++whilelevel;
+		}
+
+		// We are after a "normal" statement.
+		// If we had another statement we can stop now and use the
+		// indent of that other statement.
+		// Otherwise the indent of the current statement may be used,
+		// search backwards for the next "normal" statement.
+		else
+		{
+		    // Skip single break line, if before a switch label. It
+		    // may be lined up with the case label.
+		    if (lookfor == LOOKFOR_NOBREAK
+				  && cin_isbreak(skipwhite(ml_get_curline())))
+		    {
+			lookfor = LOOKFOR_ANY;
+			continue;
+		    }
+
+		    // Handle "do {" line.
+		    if (whilelevel > 0)
+		    {
+			l = cin_skipcomment(ml_get_curline());
+			if (cin_isdo(l))
+			{
+			    amount = get_indent();	// XXX
+			    --whilelevel;
+			    continue;
+			}
+		    }
+
+		    // Found a terminated line above an unterminated line. Add
+		    // the amount for a continuation line.
+		    //	 x = 1;
+		    //	 y = foo +
+		    // ->	here;
+		    // or
+		    //	 int x = 1;
+		    //	 int foo,
+		    // ->	here;
+		    if (lookfor == LOOKFOR_UNTERM
+					   || lookfor == LOOKFOR_ENUM_OR_INIT)
+		    {
+			if (cont_amount > 0)
+			    amount = cont_amount;
+			else
+			    amount += ind_continuation;
+			break;
+		    }
+
+		    // Found a terminated line above a terminated line or "if"
+		    // etc. line. Use the amount of the line below us.
+		    //	 x = 1;				x = 1;
+		    //	 if (asdf)		    y = 2;
+		    //	     while (asdf)	  ->here;
+		    //		here;
+		    // ->foo;
+		    if (lookfor == LOOKFOR_TERM)
+		    {
+			if (!lookfor_break && whilelevel == 0)
+			    break;
+		    }
+
+		    // First line above the one we're indenting is terminated.
+		    // To know what needs to be done look further backward for
+		    // a terminated line.
+		    else
+		    {
+			// position the cursor over the rightmost paren, so
+			// that matching it will take us back to the start of
+			// the line.  Helps for:
+			//     func(asdr,
+			//	      asdfasdf);
+			//     here;
+term_again:
+			l = ml_get_curline();
+			if (find_last_paren(l, '(', ')')
+				&& (trypos = find_match_paren(
+					   curbuf->b_ind_maxparen)) != NULL)
+			{
+			    // Check if we are on a case label now.  This is
+			    // handled above.
+			    //	   case xx:  if ( asdf &&
+			    //			    asdf)
+			    curwin->w_cursor = *trypos;
+			    l = ml_get_curline();
+			    if (cin_iscase(l, FALSE) || cin_isscopedecl(l))
+			    {
+				++curwin->w_cursor.lnum;
+				curwin->w_cursor.col = 0;
+				continue;
+			    }
+			}
+
+			// When aligning with the case statement, don't align
+			// with a statement after it.
+			//  case 1: {   <-- don't use this { position
+			//	stat;
+			//  }
+			//  case 2:
+			//	stat;
+			// }
+			iscase = (curbuf->b_ind_keep_case_label
+						     && cin_iscase(l, FALSE));
+
+			// Get indent and pointer to text for current line,
+			// ignoring any jump label.
+			amount = skip_label(curwin->w_cursor.lnum, &l);
+
+			if (theline[0] == '{')
+			    amount += curbuf->b_ind_open_extra;
+			// See remark above: "Only add b_ind_open_extra.."
+			l = skipwhite(l);
+			if (*l == '{')
+			    amount -= curbuf->b_ind_open_extra;
+			lookfor = iscase ? LOOKFOR_ANY : LOOKFOR_TERM;
+
+			// When a terminated line starts with "else" skip to
+			// the matching "if":
+			//       else 3;
+			//	     indent this;
+			// Need to use the scope of this "else".  XXX
+			// If whilelevel != 0 continue looking for a "do {".
+			if (lookfor == LOOKFOR_TERM
+				&& *l != '}'
+				&& cin_iselse(l)
+				&& whilelevel == 0)
+			{
+			    if ((trypos = find_start_brace()) == NULL
+				       || find_match(LOOKFOR_IF, trypos->lnum)
+								      == FAIL)
+				break;
+			    continue;
+			}
+
+			// If we're at the end of a block, skip to the start of
+			// that block.
+			l = ml_get_curline();
+			if (find_last_paren(l, '{', '}') // XXX
+				     && (trypos = find_start_brace()) != NULL)
+			{
+			    curwin->w_cursor = *trypos;
+			    // if not "else {" check for terminated again
+			    // but skip block for "} else {"
+			    l = cin_skipcomment(ml_get_curline());
+			    if (*l == '}' || !cin_iselse(l))
+				goto term_again;
+			    ++curwin->w_cursor.lnum;
+			    curwin->w_cursor.col = 0;
+			}
+		    }
+		}
+	    }
+	}
+      }
+
+      // add extra indent for a comment
+      if (cin_iscomment(theline))
+	  amount += curbuf->b_ind_comment;
+
+      // subtract extra left-shift for jump labels
+      if (curbuf->b_ind_jump_label > 0 && original_line_islabel)
+	  amount -= curbuf->b_ind_jump_label;
+
+      goto theend;
+    }
+
+    // ok -- we're not inside any sort of structure at all!
+    //
+    // This means we're at the top level, and everything should
+    // basically just match where the previous line is, except
+    // for the lines immediately following a function declaration,
+    // which are K&R-style parameters and need to be indented.
+    //
+    // if our line starts with an open brace, forget about any
+    // prevailing indent and make sure it looks like the start
+    // of a function
+
+    if (theline[0] == '{')
+    {
+	amount = curbuf->b_ind_first_open;
+	goto theend;
+    }
+
+    // If the NEXT line is a function declaration, the current
+    // line needs to be indented as a function type spec.
+    // Don't do this if the current line looks like a comment or if the
+    // current line is terminated, ie. ends in ';', or if the current line
+    // contains { or }: "void f() {\n if (1)"
+    if (cur_curpos.lnum < curbuf->b_ml.ml_line_count
+	    && !cin_nocode(theline)
+	    && vim_strchr(theline, '{') == NULL
+	    && vim_strchr(theline, '}') == NULL
+	    && !cin_ends_in(theline, (char_u *)":", NULL)
+	    && !cin_ends_in(theline, (char_u *)",", NULL)
+	    && cin_isfuncdecl(NULL, cur_curpos.lnum + 1,
+			      cur_curpos.lnum + 1)
+	    && !cin_isterminated(theline, FALSE, TRUE))
+    {
+	amount = curbuf->b_ind_func_type;
+	goto theend;
+    }
+
+    // search backwards until we find something we recognize
+    amount = 0;
+    curwin->w_cursor = cur_curpos;
+    while (curwin->w_cursor.lnum > 1)
+    {
+	curwin->w_cursor.lnum--;
+	curwin->w_cursor.col = 0;
+
+	l = ml_get_curline();
+
+	// If we're in a comment or raw string now, skip to the start
+	// of it.  XXX
+	if ((trypos = ind_find_start_CORS(NULL)) != NULL)
+	{
+	    curwin->w_cursor.lnum = trypos->lnum + 1;
+	    curwin->w_cursor.col = 0;
+	    continue;
+	}
+
+	// Are we at the start of a cpp base class declaration or
+	// constructor initialization?  XXX
+	n = FALSE;
+	if (curbuf->b_ind_cpp_baseclass != 0 && theline[0] != '{')
+	{
+	    n = cin_is_cpp_baseclass(&cache_cpp_baseclass);
+	    l = ml_get_curline();
+	}
+	if (n)
+	{
+							     // XXX
+	    amount = get_baseclass_amount(cache_cpp_baseclass.lpos.col);
+	    break;
+	}
+
+	// Skip preprocessor directives and blank lines.
+	if (cin_ispreproc_cont(&l, &curwin->w_cursor.lnum, &amount))
+	    continue;
+
+	if (cin_nocode(l))
+	    continue;
+
+	// If the previous line ends in ',', use one level of
+	// indentation:
+	// int foo,
+	//     bar;
+	// do this before checking for '}' in case of eg.
+	// enum foobar
+	// {
+	//   ...
+	// } foo,
+	//   bar;
+	n = 0;
+	if (cin_ends_in(l, (char_u *)",", NULL)
+		     || (*l != NUL && (n = l[STRLEN(l) - 1]) == '\\'))
+	{
+	    // take us back to opening paren
+	    if (find_last_paren(l, '(', ')')
+		    && (trypos = find_match_paren(
+				     curbuf->b_ind_maxparen)) != NULL)
+		curwin->w_cursor = *trypos;
+
+	    /*
+	     * For a line ending in ',' that is a continuation line go
+	     * back to the first line with a backslash:
+	     * char *foo = "bla\
+	     *		 bla",
+	     *      here;
+	     */
+	    while (n == 0 && curwin->w_cursor.lnum > 1)
+	    {
+		l = ml_get(curwin->w_cursor.lnum - 1);
+		if (*l == NUL || l[STRLEN(l) - 1] != '\\')
+		    break;
+		--curwin->w_cursor.lnum;
+		curwin->w_cursor.col = 0;
+	    }
+
+	    amount = get_indent();	    // XXX
+
+	    if (amount == 0)
+		amount = cin_first_id_amount();
+	    if (amount == 0)
+		amount = ind_continuation;
+	    break;
+	}
+
+	// If the line looks like a function declaration, and we're
+	// not in a comment, put it the left margin.
+	if (cin_isfuncdecl(NULL, cur_curpos.lnum, 0))  // XXX
+	    break;
+	l = ml_get_curline();
+
+	// Finding the closing '}' of a previous function.  Put
+	// current line at the left margin.  For when 'cino' has "fs".
+	if (*skipwhite(l) == '}')
+	    break;
+
+	//			    (matching {)
+	// If the previous line ends on '};' (maybe followed by
+	// comments) align at column 0.  For example:
+	// char *string_array[] = { "foo",
+	//     / * x * / "b};ar" }; / * foobar * /
+	if (cin_ends_in(l, (char_u *)"};", NULL))
+	    break;
+
+	// If the previous line ends on '[' we are probably in an
+	// array constant:
+	// something = [
+	//     234,  <- extra indent
+	if (cin_ends_in(l, (char_u *)"[", NULL))
+	{
+	    amount = get_indent() + ind_continuation;
+	    break;
+	}
+
+	// Find a line only has a semicolon that belongs to a previous
+	// line ending in '}', e.g. before an #endif.  Don't increase
+	// indent then.
+	if (*(look = skipwhite(l)) == ';' && cin_nocode(look + 1))
+	{
+	    pos_T curpos_save = curwin->w_cursor;
+
+	    while (curwin->w_cursor.lnum > 1)
+	    {
+		look = ml_get(--curwin->w_cursor.lnum);
+		if (!(cin_nocode(look) || cin_ispreproc_cont(
+				      &look, &curwin->w_cursor.lnum, &amount)))
+		    break;
+	    }
+	    if (curwin->w_cursor.lnum > 0
+			    && cin_ends_in(look, (char_u *)"}", NULL))
+		break;
+
+	    curwin->w_cursor = curpos_save;
+	}
+
+	// If the PREVIOUS line is a function declaration, the current
+	// line (and the ones that follow) needs to be indented as
+	// parameters.
+	if (cin_isfuncdecl(&l, curwin->w_cursor.lnum, 0))
+	{
+	    amount = curbuf->b_ind_param;
+	    break;
+	}
+
+	// If the previous line ends in ';' and the line before the
+	// previous line ends in ',' or '\', ident to column zero:
+	// int foo,
+	//     bar;
+	// indent_to_0 here;
+	if (cin_ends_in(l, (char_u *)";", NULL))
+	{
+	    l = ml_get(curwin->w_cursor.lnum - 1);
+	    if (cin_ends_in(l, (char_u *)",", NULL)
+		    || (*l != NUL && l[STRLEN(l) - 1] == '\\'))
+		break;
+	    l = ml_get_curline();
+	}
+
+	// Doesn't look like anything interesting -- so just
+	// use the indent of this line.
+	//
+	// Position the cursor over the rightmost paren, so that
+	// matching it will take us back to the start of the line.
+	find_last_paren(l, '(', ')');
+
+	if ((trypos = find_match_paren(curbuf->b_ind_maxparen)) != NULL)
+	    curwin->w_cursor = *trypos;
+	amount = get_indent();	    // XXX
+	break;
+    }
+
+    // add extra indent for a comment
+    if (cin_iscomment(theline))
+	amount += curbuf->b_ind_comment;
+
+    /*
+     * add extra indent if the previous line ended in a backslash:
+     *	      "asdfasdf\
+     *		  here";
+     *	    char *foo = "asdf\
+     *			 here";
+     */
+    if (cur_curpos.lnum > 1)
+    {
+	l = ml_get(cur_curpos.lnum - 1);
+	if (*l != NUL && l[STRLEN(l) - 1] == '\\')
+	{
+	    cur_amount = cin_get_equal_amount(cur_curpos.lnum - 1);
+	    if (cur_amount > 0)
+		amount = cur_amount;
+	    else if (cur_amount == 0)
+		amount += ind_continuation;
+	}
+    }
+
+theend:
+    if (amount < 0)
+	amount = 0;
+
+laterend:
+    // put the cursor back where it belongs
+    curwin->w_cursor = cur_curpos;
+
+    vim_free(linecopy);
+
+    return amount;
+}
+
+    static int
+find_match(int lookfor, linenr_T ourscope)
+{
+    char_u	*look;
+    pos_T	*theirscope;
+    char_u	*mightbeif;
+    int		elselevel;
+    int		whilelevel;
+
+    if (lookfor == LOOKFOR_IF)
+    {
+	elselevel = 1;
+	whilelevel = 0;
+    }
+    else
+    {
+	elselevel = 0;
+	whilelevel = 1;
+    }
+
+    curwin->w_cursor.col = 0;
+
+    while (curwin->w_cursor.lnum > ourscope + 1)
+    {
+	curwin->w_cursor.lnum--;
+	curwin->w_cursor.col = 0;
+
+	look = cin_skipcomment(ml_get_curline());
+	if (cin_iselse(look)
+		|| cin_isif(look)
+		|| cin_isdo(look)			    // XXX
+		|| cin_iswhileofdo(look, curwin->w_cursor.lnum))
+	{
+	    // if we've gone outside the braces entirely,
+	    // we must be out of scope...
+	    theirscope = find_start_brace();  // XXX
+	    if (theirscope == NULL)
+		break;
+
+	    // and if the brace enclosing this is further
+	    // back than the one enclosing the else, we're
+	    // out of luck too.
+	    if (theirscope->lnum < ourscope)
+		break;
+
+	    // and if they're enclosed in a *deeper* brace,
+	    // then we can ignore it because it's in a
+	    // different scope...
+	    if (theirscope->lnum > ourscope)
+		continue;
+
+	    // if it was an "else" (that's not an "else if")
+	    // then we need to go back to another if, so
+	    // increment elselevel
+	    look = cin_skipcomment(ml_get_curline());
+	    if (cin_iselse(look))
+	    {
+		mightbeif = cin_skipcomment(look + 4);
+		if (!cin_isif(mightbeif))
+		    ++elselevel;
+		continue;
+	    }
+
+	    // if it was a "while" then we need to go back to
+	    // another "do", so increment whilelevel.  XXX
+	    if (cin_iswhileofdo(look, curwin->w_cursor.lnum))
+	    {
+		++whilelevel;
+		continue;
+	    }
+
+	    // If it's an "if" decrement elselevel
+	    look = cin_skipcomment(ml_get_curline());
+	    if (cin_isif(look))
+	    {
+		elselevel--;
+		// When looking for an "if" ignore "while"s that
+		// get in the way.
+		if (elselevel == 0 && lookfor == LOOKFOR_IF)
+		    whilelevel = 0;
+	    }
+
+	    // If it's a "do" decrement whilelevel
+	    if (cin_isdo(look))
+		whilelevel--;
+
+	    // if we've used up all the elses, then
+	    // this must be the if that we want!
+	    // match the indent level of that if.
+	    if (elselevel <= 0 && whilelevel <= 0)
+	    {
+		return OK;
+	    }
+	}
+    }
+    return FAIL;
+}
+
+# if defined(FEAT_EVAL) || defined(PROTO)
+/*
+ * Get indent level from 'indentexpr'.
+ */
+    int
+get_expr_indent(void)
+{
+    int		indent = -1;
+    char_u	*inde_copy;
+    pos_T	save_pos;
+    colnr_T	save_curswant;
+    int		save_set_curswant;
+    int		save_State;
+    int		use_sandbox = was_set_insecurely((char_u *)"indentexpr",
+								   OPT_LOCAL);
+
+    // Save and restore cursor position and curswant, in case it was changed
+    // via :normal commands
+    save_pos = curwin->w_cursor;
+    save_curswant = curwin->w_curswant;
+    save_set_curswant = curwin->w_set_curswant;
+    set_vim_var_nr(VV_LNUM, curwin->w_cursor.lnum);
+    if (use_sandbox)
+	++sandbox;
+    ++textlock;
+
+    // Need to make a copy, the 'indentexpr' option could be changed while
+    // evaluating it.
+    inde_copy = vim_strsave(curbuf->b_p_inde);
+    if (inde_copy != NULL)
+    {
+	indent = (int)eval_to_number(inde_copy);
+	vim_free(inde_copy);
+    }
+
+    if (use_sandbox)
+	--sandbox;
+    --textlock;
+
+    // Restore the cursor position so that 'indentexpr' doesn't need to.
+    // Pretend to be in Insert mode, allow cursor past end of line for "o"
+    // command.
+    save_State = State;
+    State = INSERT;
+    curwin->w_cursor = save_pos;
+    curwin->w_curswant = save_curswant;
+    curwin->w_set_curswant = save_set_curswant;
+    check_cursor();
+    State = save_State;
+
+    // If there is an error, just keep the current indent.
+    if (indent < 0)
+	indent = get_indent();
+
+    return indent;
+}
+# endif
+
+/*
+ * return TRUE if 'cinkeys' contains the key "keytyped",
+ * when == '*':	    Only if key is preceded with '*'	(indent before insert)
+ * when == '!':	    Only if key is preceded with '!'	(don't insert)
+ * when == ' ':	    Only if key is not preceded with '*'(indent afterwards)
+ *
+ * "keytyped" can have a few special values:
+ * KEY_OPEN_FORW
+ * KEY_OPEN_BACK
+ * KEY_COMPLETE	    just finished completion.
+ *
+ * If line_is_empty is TRUE accept keys with '0' before them.
+ */
+    int
+in_cinkeys(
+    int		keytyped,
+    int		when,
+    int		line_is_empty)
+{
+    char_u	*look;
+    int		try_match;
+    int		try_match_word;
+    char_u	*p;
+    char_u	*line;
+    int		icase;
+    int		i;
+
+    if (keytyped == NUL)
+	// Can happen with CTRL-Y and CTRL-E on a short line.
+	return FALSE;
+
+#ifdef FEAT_EVAL
+    if (*curbuf->b_p_inde != NUL)
+	look = curbuf->b_p_indk;	// 'indentexpr' set: use 'indentkeys'
+    else
+#endif
+	look = curbuf->b_p_cink;	// 'indentexpr' empty: use 'cinkeys'
+    while (*look)
+    {
+	// Find out if we want to try a match with this key, depending on
+	// 'when' and a '*' or '!' before the key.
+	switch (when)
+	{
+	    case '*': try_match = (*look == '*'); break;
+	    case '!': try_match = (*look == '!'); break;
+	     default: try_match = (*look != '*'); break;
+	}
+	if (*look == '*' || *look == '!')
+	    ++look;
+
+	// If there is a '0', only accept a match if the line is empty.
+	// But may still match when typing last char of a word.
+	if (*look == '0')
+	{
+	    try_match_word = try_match;
+	    if (!line_is_empty)
+		try_match = FALSE;
+	    ++look;
+	}
+	else
+	    try_match_word = FALSE;
+
+	// does it look like a control character?
+	if (*look == '^'
+#ifdef EBCDIC
+		&& (Ctrl_chr(look[1]) != 0)
+#else
+		&& look[1] >= '?' && look[1] <= '_'
+#endif
+		)
+	{
+	    if (try_match && keytyped == Ctrl_chr(look[1]))
+		return TRUE;
+	    look += 2;
+	}
+	// 'o' means "o" command, open forward.
+	// 'O' means "O" command, open backward.
+	else if (*look == 'o')
+	{
+	    if (try_match && keytyped == KEY_OPEN_FORW)
+		return TRUE;
+	    ++look;
+	}
+	else if (*look == 'O')
+	{
+	    if (try_match && keytyped == KEY_OPEN_BACK)
+		return TRUE;
+	    ++look;
+	}
+
+	// 'e' means to check for "else" at start of line and just before the
+	// cursor.
+	else if (*look == 'e')
+	{
+	    if (try_match && keytyped == 'e' && curwin->w_cursor.col >= 4)
+	    {
+		p = ml_get_curline();
+		if (skipwhite(p) == p + curwin->w_cursor.col - 4 &&
+			STRNCMP(p + curwin->w_cursor.col - 4, "else", 4) == 0)
+		    return TRUE;
+	    }
+	    ++look;
+	}
+
+	// ':' only causes an indent if it is at the end of a label or case
+	// statement, or when it was before typing the ':' (to fix
+	// class::method for C++).
+	else if (*look == ':')
+	{
+	    if (try_match && keytyped == ':')
+	    {
+		p = ml_get_curline();
+		if (cin_iscase(p, FALSE) || cin_isscopedecl(p) || cin_islabel())
+		    return TRUE;
+		// Need to get the line again after cin_islabel().
+		p = ml_get_curline();
+		if (curwin->w_cursor.col > 2
+			&& p[curwin->w_cursor.col - 1] == ':'
+			&& p[curwin->w_cursor.col - 2] == ':')
+		{
+		    p[curwin->w_cursor.col - 1] = ' ';
+		    i = (cin_iscase(p, FALSE) || cin_isscopedecl(p)
+							    || cin_islabel());
+		    p = ml_get_curline();
+		    p[curwin->w_cursor.col - 1] = ':';
+		    if (i)
+			return TRUE;
+		}
+	    }
+	    ++look;
+	}
+
+
+	// Is it a key in <>, maybe?
+	else if (*look == '<')
+	{
+	    if (try_match)
+	    {
+		// make up some named keys <o>, <O>, <e>, <0>, <>>, <<>, <*>,
+		// <:> and <!> so that people can re-indent on o, O, e, 0, <,
+		// >, *, : and ! keys if they really really want to.
+		if (vim_strchr((char_u *)"<>!*oOe0:", look[1]) != NULL
+						       && keytyped == look[1])
+		    return TRUE;
+
+		if (keytyped == get_special_key_code(look + 1))
+		    return TRUE;
+	    }
+	    while (*look && *look != '>')
+		look++;
+	    while (*look == '>')
+		look++;
+	}
+
+	// Is it a word: "=word"?
+	else if (*look == '=' && look[1] != ',' && look[1] != NUL)
+	{
+	    ++look;
+	    if (*look == '~')
+	    {
+		icase = TRUE;
+		++look;
+	    }
+	    else
+		icase = FALSE;
+	    p = vim_strchr(look, ',');
+	    if (p == NULL)
+		p = look + STRLEN(look);
+	    if ((try_match || try_match_word)
+		    && curwin->w_cursor.col >= (colnr_T)(p - look))
+	    {
+		int		match = FALSE;
+
+#ifdef FEAT_INS_EXPAND
+		if (keytyped == KEY_COMPLETE)
+		{
+		    char_u	*s;
+
+		    // Just completed a word, check if it starts with "look".
+		    // search back for the start of a word.
+		    line = ml_get_curline();
+		    if (has_mbyte)
+		    {
+			char_u	*n;
+
+			for (s = line + curwin->w_cursor.col; s > line; s = n)
+			{
+			    n = mb_prevptr(line, s);
+			    if (!vim_iswordp(n))
+				break;
+			}
+		    }
+		    else
+			for (s = line + curwin->w_cursor.col; s > line; --s)
+			    if (!vim_iswordc(s[-1]))
+				break;
+		    if (s + (p - look) <= line + curwin->w_cursor.col
+			    && (icase
+				? MB_STRNICMP(s, look, p - look)
+				: STRNCMP(s, look, p - look)) == 0)
+			match = TRUE;
+		}
+		else
+#endif
+		    // TODO: multi-byte
+		    if (keytyped == (int)p[-1] || (icase && keytyped < 256
+			 && TOLOWER_LOC(keytyped) == TOLOWER_LOC((int)p[-1])))
+		{
+		    line = ml_get_cursor();
+		    if ((curwin->w_cursor.col == (colnr_T)(p - look)
+				|| !vim_iswordc(line[-(p - look) - 1]))
+			    && (icase
+				? MB_STRNICMP(line - (p - look), look, p - look)
+				: STRNCMP(line - (p - look), look, p - look))
+									 == 0)
+			match = TRUE;
+		}
+		if (match && try_match_word && !try_match)
+		{
+		    // "0=word": Check if there are only blanks before the
+		    // word.
+		    if (getwhitecols_curline() !=
+				     (int)(curwin->w_cursor.col - (p - look)))
+			match = FALSE;
+		}
+		if (match)
+		    return TRUE;
+	    }
+	    look = p;
+	}
+
+	// ok, it's a boring generic character.
+	else
+	{
+	    if (try_match && *look == keytyped)
+		return TRUE;
+	    if (*look != NUL)
+		++look;
+	}
+
+	// Skip over ", ".
+	look = skip_to_option_part(look);
+    }
+    return FALSE;
+}
+#endif // FEAT_CINDENT
+
+#if defined(FEAT_LISP) || defined(PROTO)
+
+    static int
+lisp_match(char_u *p)
+{
+    char_u	buf[LSIZE];
+    int		len;
+    char_u	*word = *curbuf->b_p_lw != NUL ? curbuf->b_p_lw : p_lispwords;
+
+    while (*word != NUL)
+    {
+	(void)copy_option_part(&word, buf, LSIZE, ",");
+	len = (int)STRLEN(buf);
+	if (STRNCMP(buf, p, len) == 0 && p[len] == ' ')
+	    return TRUE;
+    }
+    return FALSE;
+}
+
+/*
+ * When 'p' is present in 'cpoptions, a Vi compatible method is used.
+ * The incompatible newer method is quite a bit better at indenting
+ * code in lisp-like languages than the traditional one; it's still
+ * mostly heuristics however -- Dirk van Deun, dirk@rave.org
+ *
+ * TODO:
+ * Findmatch() should be adapted for lisp, also to make showmatch
+ * work correctly: now (v5.3) it seems all C/C++ oriented:
+ * - it does not recognize the #\( and #\) notations as character literals
+ * - it doesn't know about comments starting with a semicolon
+ * - it incorrectly interprets '(' as a character literal
+ * All this messes up get_lisp_indent in some rare cases.
+ * Update from Sergey Khorev:
+ * I tried to fix the first two issues.
+ */
+    int
+get_lisp_indent(void)
+{
+    pos_T	*pos, realpos, paren;
+    int		amount;
+    char_u	*that;
+    colnr_T	col;
+    colnr_T	firsttry;
+    int		parencount, quotecount;
+    int		vi_lisp;
+
+    // Set vi_lisp to use the vi-compatible method
+    vi_lisp = (vim_strchr(p_cpo, CPO_LISP) != NULL);
+
+    realpos = curwin->w_cursor;
+    curwin->w_cursor.col = 0;
+
+    if ((pos = findmatch(NULL, '(')) == NULL)
+	pos = findmatch(NULL, '[');
+    else
+    {
+	paren = *pos;
+	pos = findmatch(NULL, '[');
+	if (pos == NULL || LT_POSP(pos, &paren))
+	    pos = &paren;
+    }
+    if (pos != NULL)
+    {
+	// Extra trick: Take the indent of the first previous non-white
+	// line that is at the same () level.
+	amount = -1;
+	parencount = 0;
+
+	while (--curwin->w_cursor.lnum >= pos->lnum)
+	{
+	    if (linewhite(curwin->w_cursor.lnum))
+		continue;
+	    for (that = ml_get_curline(); *that != NUL; ++that)
+	    {
+		if (*that == ';')
+		{
+		    while (*(that + 1) != NUL)
+			++that;
+		    continue;
+		}
+		if (*that == '\\')
+		{
+		    if (*(that + 1) != NUL)
+			++that;
+		    continue;
+		}
+		if (*that == '"' && *(that + 1) != NUL)
+		{
+		    while (*++that && *that != '"')
+		    {
+			// skipping escaped characters in the string
+			if (*that == '\\')
+			{
+			    if (*++that == NUL)
+				break;
+			    if (that[1] == NUL)
+			    {
+				++that;
+				break;
+			    }
+			}
+		    }
+		}
+		if (*that == '(' || *that == '[')
+		    ++parencount;
+		else if (*that == ')' || *that == ']')
+		    --parencount;
+	    }
+	    if (parencount == 0)
+	    {
+		amount = get_indent();
+		break;
+	    }
+	}
+
+	if (amount == -1)
+	{
+	    curwin->w_cursor.lnum = pos->lnum;
+	    curwin->w_cursor.col = pos->col;
+	    col = pos->col;
+
+	    that = ml_get_curline();
+
+	    if (vi_lisp && get_indent() == 0)
+		amount = 2;
+	    else
+	    {
+		char_u *line = that;
+
+		amount = 0;
+		while (*that && col)
+		{
+		    amount += lbr_chartabsize_adv(line, &that, (colnr_T)amount);
+		    col--;
+		}
+
+		// Some keywords require "body" indenting rules (the
+		// non-standard-lisp ones are Scheme special forms):
+		//
+		// (let ((a 1))    instead    (let ((a 1))
+		//   (...))	      of	   (...))
+
+		if (!vi_lisp && (*that == '(' || *that == '[')
+						      && lisp_match(that + 1))
+		    amount += 2;
+		else
+		{
+		    that++;
+		    amount++;
+		    firsttry = amount;
+
+		    while (VIM_ISWHITE(*that))
+		    {
+			amount += lbr_chartabsize(line, that, (colnr_T)amount);
+			++that;
+		    }
+
+		    if (*that && *that != ';') // not a comment line
+		    {
+			// test *that != '(' to accommodate first let/do
+			// argument if it is more than one line
+			if (!vi_lisp && *that != '(' && *that != '[')
+			    firsttry++;
+
+			parencount = 0;
+			quotecount = 0;
+
+			if (vi_lisp
+				|| (*that != '"'
+				    && *that != '\''
+				    && *that != '#'
+				    && (*that < '0' || *that > '9')))
+			{
+			    while (*that
+				    && (!VIM_ISWHITE(*that)
+					|| quotecount
+					|| parencount)
+				    && (!((*that == '(' || *that == '[')
+					    && !quotecount
+					    && !parencount
+					    && vi_lisp)))
+			    {
+				if (*that == '"')
+				    quotecount = !quotecount;
+				if ((*that == '(' || *that == '[')
+							       && !quotecount)
+				    ++parencount;
+				if ((*that == ')' || *that == ']')
+							       && !quotecount)
+				    --parencount;
+				if (*that == '\\' && *(that+1) != NUL)
+				    amount += lbr_chartabsize_adv(
+						line, &that, (colnr_T)amount);
+				amount += lbr_chartabsize_adv(
+						line, &that, (colnr_T)amount);
+			    }
+			}
+			while (VIM_ISWHITE(*that))
+			{
+			    amount += lbr_chartabsize(
+						 line, that, (colnr_T)amount);
+			    that++;
+			}
+			if (!*that || *that == ';')
+			    amount = firsttry;
+		    }
+		}
+	    }
+	}
+    }
+    else
+	amount = 0;	// no matching '(' or '[' found, use zero indent
+
+    curwin->w_cursor = realpos;
+
+    return amount;
+}
+#endif // FEAT_LISP
+
+#if defined(FEAT_CINDENT) || defined(PROTO)
+/*
+ * Do C or expression indenting on the current line.
+ */
+    void
+do_c_expr_indent(void)
+{
+# ifdef FEAT_EVAL
+    if (*curbuf->b_p_inde != NUL)
+	fixthisline(get_expr_indent);
+    else
+# endif
+	fixthisline(get_c_indent);
+}
+#endif
+
+#if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO)
+/*
+ * Re-indent the current line, based on the current contents of it and the
+ * surrounding lines. Fixing the cursor position seems really easy -- I'm very
+ * confused what all the part that handles Control-T is doing that I'm not.
+ * "get_the_indent" should be get_c_indent, get_expr_indent or get_lisp_indent.
+ */
+
+    void
+fixthisline(int (*get_the_indent)(void))
+{
+    int amount = get_the_indent();
+
+    if (amount >= 0)
+    {
+	change_indent(INDENT_SET, amount, FALSE, 0, TRUE);
+	if (linewhite(curwin->w_cursor.lnum))
+	    did_ai = TRUE;	// delete the indent if the line stays empty
+    }
+}
+
+    void
+fix_indent(void)
+{
+    if (p_paste)
+	return;
+# ifdef FEAT_LISP
+    if (curbuf->b_p_lisp && curbuf->b_p_ai)
+	fixthisline(get_lisp_indent);
+# endif
+# if defined(FEAT_LISP) && defined(FEAT_CINDENT)
+    else
+# endif
+# ifdef FEAT_CINDENT
+	if (cindent_on())
+	    do_c_expr_indent();
+# endif
+}
+
+#endif