Problem: Ignore functionality is not separated.
Solution: Move indent functionality into a new file. (Yegappan Lakshmanan,
closes #3886)
src/gui_beval.c \
src/hardcopy.c \
src/hashtab.c \
+ src/indent.c \
src/json.c \
src/json_test.c \
src/kword_test.c \
src/proto/gui_beval.pro \
src/proto/hardcopy.pro \
src/proto/hashtab.pro \
+ src/proto/indent.pro \
src/proto/json.pro \
src/proto/list.pro \
src/proto/main.pro \
$(OBJDIR)\getchar.obj \
$(OBJDIR)\hardcopy.obj \
$(OBJDIR)\hashtab.obj \
+ $(OBJDIR)\indent.obj \
$(OBJDIR)\json.obj \
$(OBJDIR)\list.obj \
$(OBJDIR)\main.obj \
$(OUTDIR)/getchar.o \
$(OUTDIR)/hardcopy.o \
$(OUTDIR)/hashtab.o \
+ $(OUTDIR)/indent.o \
$(OUTDIR)/json.o \
$(OUTDIR)/list.o \
$(OUTDIR)/main.o \
getchar.c \
hardcopy.c \
hashtab.c \
+ indent.c \
json.c \
list.c \
main.c \
o/getchar.o \
o/hardcopy.o \
o/hashtab.o \
+ o/indent.o \
o/json.o \
o/list.o \
o/main.o \
o/hashtab.o: hashtab.c $(SYMS)
+o/indent.o: indent.c $(SYMS)
+
o/json.o: json.c $(SYMS)
o/list.o: list.c $(SYMS)
"$(INTDIR)/getchar.obj" \
"$(INTDIR)/hardcopy.obj" \
"$(INTDIR)/hashtab.obj" \
+ "$(INTDIR)/indent.obj" \
"$(INTDIR)/json.obj" \
"$(INTDIR)/list.obj" \
"$(INTDIR)/main.obj" \
SOURCE=.\hashtab.c
# End Source File
# Begin Source File
+#
+SOURCE=.\indent.c
+# End Source File
+# Begin Source File
SOURCE=.\gui.c
getchar.c \
hardcopy.c \
hashtab.c \
+ indent.c \
json.c \
list.c \
main.c \
obj/getchar.o \
obj/hardcopy.o \
obj/hashtab.o \
+ obj/indent.o \
obj/json.o \
obj/list.o \
obj/main.o \
proto/getchar.pro \
proto/hardcopy.pro \
proto/hashtab.pro \
+ proto/indent.pro \
proto/json.pro \
proto/list.pro \
proto/main.pro \
obj/hashtab.o: hashtab.c
$(CCSYM) $@ hashtab.c
+obj/indent.o: indent.c
+ $(CCSYM) $@ indent.c
+
obj/json.o: json.c
$(CCSYM) $@ json.c
getchar.c \
hardcopy.c \
hashtab.c \
+ indent.c \
json.c \
list.c \
main.c \
$(OUTDIR)\getchar.obj \
$(OUTDIR)\hardcopy.obj \
$(OUTDIR)\hashtab.obj \
+ $(OUTDIR)\indent.obj \
$(OUTDIR)\json.obj \
$(OUTDIR)\list.obj \
$(OUTDIR)\main.obj \
$(OUTDIR)/hashtab.obj: $(OUTDIR) hashtab.c $(INCL)
+$(OUTDIR)/indent.obj: $(OUTDIR) indent.c $(INCL)
+
$(OUTDIR)/gui.obj: $(OUTDIR) gui.c $(INCL) $(GUI_INCL)
$(OUTDIR)/gui_beval.obj: $(OUTDIR) gui_beval.c $(INCL) $(GUI_INCL)
proto/getchar.pro \
proto/hardcopy.pro \
proto/hashtab.pro \
+ proto/indent.pro \
proto/json.pro \
proto/list.pro \
proto/main.pro \
getchar.c \
hardcopy.c \
hashtab.c \
+ indent.c \
json.c \
list.c \
main.c \
getchar.o \
hardcopy.o \
hashtab.o \
+ indent.o \
json.o \
list.o \
main.o \
proto/getchar.pro \
proto/hardcopy.pro \
proto/hashtab.pro \
+ proto/indent.pro \
proto/json.pro \
proto/list.pro \
proto/main.pro \
proto/hardcopy.pro: hardcopy.c
hashtab.o: hashtab.c
proto/hashtab.pro: hashtab.c
+indent.o: indent.c
+proto/indent.pro: indent.c
json.o: json.c
proto/json.pro: json.c
list.o: list.c
SRC = arabic.c autocmd.c beval.c blob.c blowfish.c buffer.c charset.c crypt.c crypt_zip.c dict.c diff.c digraph.c edit.c eval.c \
evalfunc.c ex_cmds.c ex_cmds2.c ex_docmd.c ex_eval.c ex_getln.c if_cscope.c if_xcmdsrv.c farsi.c fileio.c fold.c \
- getchar.c hardcopy.c hashtab.c json.c list.c main.c mark.c menu.c mbyte.c memfile.c memline.c message.c misc1.c \
+ getchar.c hardcopy.c hashtab.c indent.c json.c list.c main.c mark.c menu.c mbyte.c memfile.c memline.c message.c misc1.c \
misc2.c move.c normal.c ops.c option.c popupmnu.c quickfix.c regexp.c search.c sha256.c sign.c \
spell.c spellfile.c syntax.c tag.c term.c termlib.c textprop.c ui.c undo.c userfunc.c version.c screen.c \
window.c os_unix.c os_vms.c pathdef.c \
OBJ = arabic.obj autocmd.obj beval.obj blob.obj blowfish.obj buffer.obj charset.obj crypt.obj crypt_zip.obj dict.obj diff.obj digraph.obj \
edit.obj eval.obj evalfunc.obj ex_cmds.obj ex_cmds2.obj ex_docmd.obj ex_eval.obj ex_getln.obj if_cscope.obj \
- if_xcmdsrv.obj farsi.obj fileio.obj fold.obj getchar.obj hardcopy.obj hashtab.obj json.obj list.obj main.obj mark.obj \
+ if_xcmdsrv.obj farsi.obj fileio.obj fold.obj getchar.obj hardcopy.obj hashtab.obj indent.obj json.obj list.obj main.obj mark.obj \
menu.obj memfile.obj memline.obj message.obj misc1.obj misc2.obj \
move.obj mbyte.obj normal.obj ops.obj option.obj popupmnu.obj quickfix.obj \
regexp.obj search.obj sha256.obj sign.obj spell.obj spellfile.obj syntax.obj tag.obj term.obj termlib.obj textprop.obj \
ascii.h keymap.h term.h macros.h option.h structs.h \
regexp.h gui.h beval.h [.proto]gui_beval.pro ex_cmds.h proto.h \
globals.h farsi.h arabic.h if_mzsch.h
+indent.obj : indent.c vim.h [.auto]config.h feature.h os_unix.h
json.obj : json.c vim.h [.auto]config.h feature.h os_unix.h \
ascii.h keymap.h term.h macros.h structs.h regexp.h gui.h beval.h \
[.proto]gui_beval.pro option.h ex_cmds.h proto.h globals.h farsi.h \
hashtab.c \
if_cscope.c \
if_xcmdsrv.c \
+ indent.c \
json.c \
list.c \
main.c \
$(HANGULIN_OBJ) \
objects/if_cscope.o \
objects/if_xcmdsrv.o \
+ objects/indent.o \
objects/list.o \
objects/mark.o \
objects/memline.o \
if_python3.pro \
if_ruby.pro \
if_xcmdsrv.pro \
+ indent.pro \
json.pro \
list.pro \
main.pro \
objects/if_tcl.o: if_tcl.c
$(CCC_NF) $(TCL_CFLAGS) $(ALL_CFLAGS) -o $@ if_tcl.c
+objects/indent.o: indent.c
+ $(CCC) -o $@ indent.c
+
objects/json.o: json.c
$(CCC) -o $@ json.c
os_unix.h auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \
proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
proto.h globals.h farsi.h arabic.h version.h
+objects/indent.o: indent.c vim.h protodef.h auto/config.h feature.h os_unix.h \
+ os_mac.h ascii.h keymap.h term.h macros.h option.h beval.h structs.h \
+ regexp.h gui.h alloc.h ex_cmds.h spell.h proto.h globals.h farsi.h \
+ arabic.h
objects/json.o: json.c vim.h protodef.h auto/config.h feature.h os_unix.h \
auto/osdef.h ascii.h keymap.h term.h macros.h option.h beval.h \
proto/gui_beval.pro structs.h regexp.h gui.h alloc.h ex_cmds.h spell.h \
static void replace_flush(void);
static void replace_do_bs(int limit_col);
static int del_char_after_col(int limit_col);
-#ifdef FEAT_CINDENT
-static int cindent_on(void);
-#endif
static void ins_reg(void);
static void ins_ctrl_g(void);
static void ins_ctrl_hat(void);
ins_compl_clear(); /* clear stuff for CTRL-X mode */
#endif
+ch_log(NULL, "ENTERING Insert mode");
/*
* Trigger InsertEnter autocommands. Do not do this for "r<CR>" or "grx".
*/
if (cmdchar != 'r' && cmdchar != 'v' && c != Ctrl_C)
ins_apply_autocmds(EVENT_INSERTLEAVE);
did_cursorhold = FALSE;
+ch_log(NULL, "LEAVING Insert mode");
return (c == Ctrl_O);
}
continue;
(void)del_char_after_col(limit_col);
}
-#ifdef FEAT_CINDENT
-/*
- * Return TRUE if C-indenting is on.
- */
- static int
-cindent_on(void)
-{
- return (!p_paste && (curbuf->b_p_cin
-# ifdef FEAT_EVAL
- || *curbuf->b_p_inde != NUL
-# endif
- ));
-}
-#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
-
-#ifdef FEAT_CINDENT
-/*
- * 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_RIGHTLEFT) || defined(PROTO)
/*
* Map Hebrew keyboard when in hkmap mode.
--- /dev/null
+/* 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
#endif
-#if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT)
-
-/*
- * Return TRUE if the string "line" starts with a word from 'cinwords'.
- */
- static 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
-
/*
* open_line: Add a new line below or above the current line.
*
return new_fname;
}
-#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)
-
-/*
- * 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);
-}
-
-/* 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
-
-#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 */
-
void
prepare_to_exit(void)
{
# endif
# include "hardcopy.pro"
# include "hashtab.pro"
+# include "indent.pro"
# include "json.pro"
# include "list.pro"
# include "blob.pro"
char_u *get_last_insert_save(void);
void replace_push(int c);
int replace_push_mb(char_u *p);
-void fixthisline(int (*get_the_indent)(void));
-void fix_indent(void);
-int in_cinkeys(int keytyped, int when, int line_is_empty);
int hkmap(int c);
int bracketed_paste(paste_mode_T mode, int drop, garray_T *gap);
void ins_scroll(void);
--- /dev/null
+/* indent.c */
+int cin_is_cinword(char_u *line);
+pos_T *find_start_comment(int ind_maxcomment);
+int cindent_on(void);
+int cin_islabel(void);
+int cin_iscase(char_u *s, int strict);
+int cin_isscopedecl(char_u *s);
+void parse_cino(buf_T *buf);
+int get_c_indent(void);
+int get_expr_indent(void);
+int in_cinkeys(int keytyped, int when, int line_is_empty);
+int get_lisp_indent(void);
+void do_c_expr_indent(void);
+void fixthisline(int (*get_the_indent)(void));
+void fix_indent(void);
+/* vim: set ft=c : */
char_u *concat_str(char_u *str1, char_u *str2);
void add_pathsep(char_u *p);
char_u *FullName_save(char_u *fname, int force);
-pos_T *find_start_comment(int ind_maxcomment);
-void do_c_expr_indent(void);
-int cin_islabel(void);
-int cin_iscase(char_u *s, int strict);
-int cin_isscopedecl(char_u *s);
-void parse_cino(buf_T *buf);
-int get_c_indent(void);
-int get_expr_indent(void);
-int get_lisp_indent(void);
void prepare_to_exit(void);
void preserve_exit(void);
int vim_fexists(char_u *fname);
static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 857,
/**/
856,
/**/
projects / vim / commitdiff