Mercurial > vim
changeset 17536:e00d12c085a5 v8.1.1766
patch 8.1.1766: code for writing session file is spread out
commit https://github.com/vim/vim/commit/845380791196aec7f991987ebf7b22de3779d106
Author: Bram Moolenaar <Bram@vim.org>
Date: Sun Jul 28 14:15:42 2019 +0200
patch 8.1.1766: code for writing session file is spread out
Problem: Code for writing session file is spread out.
Solution: Put it in one file. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/4728)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sun, 28 Jul 2019 14:30:07 +0200 |
| parents | 3015901aaaa6 |
| children | 64f95305a008 |
| files | Filelist src/Make_cyg_ming.mak src/Make_morph.mak src/Make_mvc.mak src/Make_vms.mms src/Makefile src/README.md src/eval.c src/ex_docmd.c src/misc2.c src/proto.h src/proto/eval.pro src/proto/misc2.pro src/proto/session.pro src/session.c src/version.c |
| diffstat | 16 files changed, 1401 insertions(+), 1422 deletions(-) [+] |
line wrap: on
line diff
--- a/Filelist +++ b/Filelist @@ -88,6 +88,7 @@ SRC_ALL = \ src/regexp.h \ src/screen.c \ src/search.c \ + src/session.c \ src/sha256.c \ src/sign.c \ src/sound.c \ @@ -218,6 +219,7 @@ SRC_ALL = \ src/proto/regexp.pro \ src/proto/screen.pro \ src/proto/search.pro \ + src/proto/session.pro \ src/proto/sha256.pro \ src/proto/sign.pro \ src/proto/sound.pro \
--- a/src/Make_cyg_ming.mak +++ b/src/Make_cyg_ming.mak @@ -758,6 +758,7 @@ OBJ = \ $(OUTDIR)/regexp.o \ $(OUTDIR)/screen.o \ $(OUTDIR)/search.o \ + $(OUTDIR)/session.o \ $(OUTDIR)/sha256.o \ $(OUTDIR)/sign.o \ $(OUTDIR)/spell.o \
--- a/src/Make_morph.mak +++ b/src/Make_morph.mak @@ -75,6 +75,7 @@ SRC = arabic.c \ regexp.c \ screen.c \ search.c \ + session.c \ sha256.c \ sign.c \ spell.c \
--- a/src/Make_mvc.mak +++ b/src/Make_mvc.mak @@ -767,6 +767,7 @@ OBJ = \ $(OUTDIR)\regexp.obj \ $(OUTDIR)\screen.obj \ $(OUTDIR)\search.obj \ + $(OUTDIR)\session.obj \ $(OUTDIR)\sha256.obj \ $(OUTDIR)\sign.obj \ $(OUTDIR)\spell.obj \ @@ -1618,6 +1619,8 @@ lib$(MZSCHEME_MAIN_LIB)$(MZSCHEME_VER).l $(OUTDIR)/search.obj: $(OUTDIR) search.c $(INCL) +$(OUTDIR)/session.obj: $(OUTDIR) session.c $(INCL) + $(OUTDIR)/sha256.obj: $(OUTDIR) sha256.c $(INCL) $(OUTDIR)/sign.obj: $(OUTDIR) sign.c $(INCL) @@ -1788,6 +1791,7 @@ proto.h: \ proto/regexp.pro \ proto/screen.pro \ proto/search.pro \ + proto/session.pro \ proto/sha256.pro \ proto/sign.pro \ proto/spell.pro \
--- a/src/Make_vms.mms +++ b/src/Make_vms.mms @@ -314,10 +314,10 @@ SRC = arabic.c autocmd.c beval.c blob.c hardcopy.c hashtab.c highlight.c indent.c insexpand.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 popupwin.c \ - profiler.c quickfix.c regexp.c search.c sha256.c sign.c spell.c \ - spellfile.c syntax.c tag.c term.c termlib.c testing.c textprop.c ui.c \ - undo.c usercmd.c userfunc.c version.c viminfo.c screen.c window.c \ - os_unix.c os_vms.c pathdef.c \ + profiler.c quickfix.c regexp.c search.c session.c sha256.c sign.c \ + spell.c spellfile.c syntax.c tag.c term.c termlib.c testing.c \ + textprop.c ui.c undo.c usercmd.c userfunc.c version.c viminfo.c \ + screen.c window.c os_unix.c os_vms.c pathdef.c \ $(GUI_SRC) $(PERL_SRC) $(PYTHON_SRC) $(TCL_SRC) \ $(RUBY_SRC) $(HANGULIN_SRC) $(MZSCH_SRC) $(XDIFF_SRC) @@ -330,10 +330,10 @@ OBJ = arabic.obj autocmd.obj beval.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 popupwin.obj profiler.obj quickfix.obj regexp.obj \ - search.obj sha256.obj sign.obj spell.obj spellfile.obj syntax.obj \ - tag.obj term.obj termlib.obj testing.obj textprop.obj ui.obj undo.obj \ - usercmd.obj userfunc.obj screen.obj version.obj viminfo.obj window.obj \ - os_unix.obj os_vms.obj pathdef.obj if_mzsch.obj \ + search.obj session.obj sha256.obj sign.obj spell.obj spellfile.obj \ + syntax.obj tag.obj term.obj termlib.obj testing.obj textprop.obj \ + ui.obj undo.obj usercmd.obj userfunc.obj screen.obj version.obj \ + viminfo.obj window.obj os_unix.obj os_vms.obj pathdef.obj if_mzsch.obj \ $(GUI_OBJ) $(PERL_OBJ) $(PYTHON_OBJ) $(TCL_OBJ) \ $(RUBY_OBJ) $(HANGULIN_OBJ) $(MZSCH_OBJ) $(XDIFF_OBJ) @@ -718,6 +718,10 @@ search.obj : search.c vim.h [.auto]confi 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 +session.obj : session.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 sha256.obj : sha256.c vim.h [.auto]config.h feature.h os_unix.h \ ascii.h keymap.h term.h macros.h option.h structs.h regexp.h gui.h \ beval.h [.proto]gui_beval.pro alloc.h ex_cmds.h spell.h proto.h \
--- a/src/Makefile +++ b/src/Makefile @@ -405,7 +405,7 @@ CClink = $(CC) # Set PATH environment variable to find lua or luajit executable. # This requires at least "normal" features, "tiny" and "small" don't work. #CONF_OPT_LUA = --enable-luainterp -#CONF_OPT_LUA = --enable-luainterp=dynamic +CONF_OPT_LUA = --enable-luainterp=dynamic #CONF_OPT_LUA = --enable-luainterp --with-luajit #CONF_OPT_LUA = --enable-luainterp=dynamic --with-luajit # Lua installation dir (when not set uses $LUA_PREFIX or defaults to /usr) @@ -431,7 +431,7 @@ CClink = $(CC) # When you get an error for a missing "perl.exp" file, try creating an empty # one: "touch perl.exp". # This requires at least "normal" features, "tiny" and "small" don't work. -#CONF_OPT_PERL = --enable-perlinterp +CONF_OPT_PERL = --enable-perlinterp #CONF_OPT_PERL = --enable-perlinterp=dynamic # PYTHON @@ -445,10 +445,10 @@ CClink = $(CC) # dlopen(), dlsym(), dlclose(), i.e. pythonX.Y.so must be available # However, this may still cause problems, such as "import termios" failing. # Build two separate versions of Vim in that case. -#CONF_OPT_PYTHON = --enable-pythoninterp +CONF_OPT_PYTHON = --enable-pythoninterp #CONF_OPT_PYTHON = --enable-pythoninterp --with-python-command=python2.7 #CONF_OPT_PYTHON = --enable-pythoninterp=dynamic -#CONF_OPT_PYTHON3 = --enable-python3interp +CONF_OPT_PYTHON3 = --enable-python3interp #CONF_OPT_PYTHON3 = --enable-python3interp --with-python3-command=python3.6 #CONF_OPT_PYTHON3 = --enable-python3interp=dynamic @@ -458,14 +458,14 @@ CClink = $(CC) # Note: you need the development package (e.g., ruby1.9.1-dev on Ubuntu). # This requires at least "normal" features, "tiny" and "small" don't work. #CONF_OPT_RUBY = --enable-rubyinterp -#CONF_OPT_RUBY = --enable-rubyinterp=dynamic +CONF_OPT_RUBY = --enable-rubyinterp=dynamic #CONF_OPT_RUBY = --enable-rubyinterp --with-ruby-command=ruby1.9.1 # TCL # Uncomment this when you want to include the Tcl interface. # First one is for static linking, second one for dynamic loading. #CONF_OPT_TCL = --enable-tclinterp -#CONF_OPT_TCL = --enable-tclinterp=dynamic +CONF_OPT_TCL = --enable-tclinterp=dynamic #CONF_OPT_TCL = --enable-tclinterp --with-tclsh=tclsh8.4 # CSCOPE @@ -541,7 +541,7 @@ CClink = $(CC) #CONF_OPT_FEAT = --with-features=small #CONF_OPT_FEAT = --with-features=normal #CONF_OPT_FEAT = --with-features=big -#CONF_OPT_FEAT = --with-features=huge +CONF_OPT_FEAT = --with-features=huge # COMPILED BY - For including a specific e-mail address for ":version". #CONF_OPT_COMPBY = "--with-compiledby=John Doe <JohnDoe@yahoo.com>" @@ -615,7 +615,7 @@ CClink = $(CC) # Use this with GCC to check for mistakes, unused arguments, etc. # Note: If you use -Wextra and get warnings in GTK code about function # parameters, you can add -Wno-cast-function-type -#CFLAGS = -g -Wall -Wextra -Wshadow -Wmissing-prototypes -Wunreachable-code -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1 +CFLAGS = -g -Wall -Wextra -Wshadow -Wmissing-prototypes -Wunreachable-code -Wno-cast-function-type -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1 # Add -Wpedantic to find // comments and other C99 constructs. # Better disable Perl and Python to avoid a lot of warnings. #CFLAGS = -g -Wall -Wextra -Wshadow -Wmissing-prototypes -Wpedantic -Wunreachable-code -Wunused-result -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1 @@ -704,7 +704,7 @@ SANITIZER_LIBS = $(SANITIZER_CFLAGS) # Configuration is in the .ccmalloc or ~/.ccmalloc file. # Doesn't work very well, since memory linked to from global variables # (in libraries) is also marked as leaked memory. -#LEAK_CFLAGS = -DEXITFREE +LEAK_CFLAGS = -DEXITFREE #LEAK_LIBS = -lccmalloc # Uncomment this line to have Vim call abort() when an internal error is @@ -1634,6 +1634,7 @@ BASIC_SRC = \ regexp.c \ screen.c \ search.c \ + session.c \ sha256.c \ sign.c \ sound.c \ @@ -1754,6 +1755,7 @@ OBJ_COMMON = \ objects/regexp.o \ objects/screen.o \ objects/search.o \ + objects/session.o \ objects/sha256.o \ objects/sign.o \ objects/sound.o \ @@ -1899,6 +1901,7 @@ PRO_AUTO = \ regexp.pro \ screen.pro \ search.pro \ + session.pro \ sha256.pro \ sign.pro \ sound.pro \ @@ -3256,6 +3259,9 @@ objects/screen.o: screen.c objects/search.o: search.c $(CCC) -o $@ search.c +objects/session.o: session.c + $(CCC) -o $@ session.c + objects/sha256.o: sha256.c $(CCC) -o $@ sha256.c @@ -3686,6 +3692,10 @@ objects/search.o: search.c vim.h protode 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 +objects/session.o: session.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 \ + proto.h globals.h objects/sha256.o: sha256.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 \
--- a/src/README.md +++ b/src/README.md @@ -52,6 +52,7 @@ quickfix.c | quickfix commands (":make", regexp.c | pattern matching screen.c | updating the windows search.c | pattern searching +session.c | sessions and views sign.c | signs spell.c | spell checking syntax.c | syntax and other highlighting
--- a/src/eval.c +++ b/src/eval.c @@ -9319,93 +9319,6 @@ script_autoload( return ret; } -#if defined(FEAT_VIMINFO) || defined(FEAT_SESSION) - var_flavour_T -var_flavour(char_u *varname) -{ - char_u *p = varname; - - if (ASCII_ISUPPER(*p)) - { - while (*(++p)) - if (ASCII_ISLOWER(*p)) - return VAR_FLAVOUR_SESSION; - return VAR_FLAVOUR_VIMINFO; - } - else - return VAR_FLAVOUR_DEFAULT; -} -#endif - -#if defined(FEAT_SESSION) || defined(PROTO) - int -store_session_globals(FILE *fd) -{ - hashitem_T *hi; - dictitem_T *this_var; - int todo; - char_u *p, *t; - - todo = (int)globvarht.ht_used; - for (hi = globvarht.ht_array; todo > 0; ++hi) - { - if (!HASHITEM_EMPTY(hi)) - { - --todo; - this_var = HI2DI(hi); - if ((this_var->di_tv.v_type == VAR_NUMBER - || this_var->di_tv.v_type == VAR_STRING) - && var_flavour(this_var->di_key) == VAR_FLAVOUR_SESSION) - { - /* Escape special characters with a backslash. Turn a LF and - * CR into \n and \r. */ - p = vim_strsave_escaped(tv_get_string(&this_var->di_tv), - (char_u *)"\\\"\n\r"); - if (p == NULL) /* out of memory */ - break; - for (t = p; *t != NUL; ++t) - if (*t == '\n') - *t = 'n'; - else if (*t == '\r') - *t = 'r'; - if ((fprintf(fd, "let %s = %c%s%c", - this_var->di_key, - (this_var->di_tv.v_type == VAR_STRING) ? '"' - : ' ', - p, - (this_var->di_tv.v_type == VAR_STRING) ? '"' - : ' ') < 0) - || put_eol(fd) == FAIL) - { - vim_free(p); - return FAIL; - } - vim_free(p); - } -#ifdef FEAT_FLOAT - else if (this_var->di_tv.v_type == VAR_FLOAT - && var_flavour(this_var->di_key) == VAR_FLAVOUR_SESSION) - { - float_T f = this_var->di_tv.vval.v_float; - int sign = ' '; - - if (f < 0) - { - f = -f; - sign = '-'; - } - if ((fprintf(fd, "let %s = %c%f", - this_var->di_key, sign, f) < 0) - || put_eol(fd) == FAIL) - return FAIL; - } -#endif - } - } - return OK; -} -#endif - /* * Display script name where an item was last set. * Should only be invoked when 'verbose' is non-zero.
--- a/src/ex_docmd.c +++ b/src/ex_docmd.c @@ -257,7 +257,6 @@ static void ex_redir(exarg_T *eap); static void ex_redrawstatus(exarg_T *eap); static void ex_redrawtabline(exarg_T *eap); static void close_redir(void); -static void ex_mkrc(exarg_T *eap); static void ex_mark(exarg_T *eap); static void ex_startinsert(exarg_T *eap); static void ex_stopinsert(exarg_T *eap); @@ -306,14 +305,9 @@ static void ex_tag_cmd(exarg_T *eap, cha # define ex_oldfiles ex_ni #endif static char_u *arg_all(void); -#ifdef FEAT_SESSION -static int makeopens(FILE *fd, char_u *dirnow); -static int put_view(FILE *fd, win_T *wp, int add_edit, unsigned *flagp, int current_arg_idx); -static void ex_loadview(exarg_T *eap); -static char_u *get_view_file(int c); -static int did_lcd; /* whether ":lcd" was produced for a session */ -#else +#ifndef FEAT_SESSION # define ex_loadview ex_ni +# define ex_mkrc ex_ni #endif #ifndef FEAT_EVAL # define ex_compiler ex_ni @@ -8439,243 +8433,6 @@ close_redir(void) #endif } -#if defined(FEAT_SESSION) && defined(USE_CRNL) -# define MKSESSION_NL -static int mksession_nl = FALSE; /* use NL only in put_eol() */ -#endif - -/* - * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession". - */ - static void -ex_mkrc( - exarg_T *eap) -{ - FILE *fd; - int failed = FALSE; - char_u *fname; -#ifdef FEAT_BROWSE - char_u *browseFile = NULL; -#endif -#ifdef FEAT_SESSION - int view_session = FALSE; - int using_vdir = FALSE; /* using 'viewdir'? */ - char_u *viewFile = NULL; - unsigned *flagp; -#endif - - if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview) - { -#ifdef FEAT_SESSION - view_session = TRUE; -#else - ex_ni(eap); - return; -#endif - } - -#ifdef FEAT_SESSION - /* Use the short file name until ":lcd" is used. We also don't use the - * short file name when 'acd' is set, that is checked later. */ - did_lcd = FALSE; - - /* ":mkview" or ":mkview 9": generate file name with 'viewdir' */ - if (eap->cmdidx == CMD_mkview - && (*eap->arg == NUL - || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL))) - { - eap->forceit = TRUE; - fname = get_view_file(*eap->arg); - if (fname == NULL) - return; - viewFile = fname; - using_vdir = TRUE; - } - else -#endif - if (*eap->arg != NUL) - fname = eap->arg; - else if (eap->cmdidx == CMD_mkvimrc) - fname = (char_u *)VIMRC_FILE; -#ifdef FEAT_SESSION - else if (eap->cmdidx == CMD_mksession) - fname = (char_u *)SESSION_FILE; -#endif - else - fname = (char_u *)EXRC_FILE; - -#ifdef FEAT_BROWSE - if (cmdmod.browse) - { - browseFile = do_browse(BROWSE_SAVE, -# ifdef FEAT_SESSION - eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") : - eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") : -# endif - (char_u *)_("Save Setup"), - fname, (char_u *)"vim", NULL, - (char_u *)_(BROWSE_FILTER_MACROS), NULL); - if (browseFile == NULL) - goto theend; - fname = browseFile; - eap->forceit = TRUE; /* since dialog already asked */ - } -#endif - -#if defined(FEAT_SESSION) && defined(vim_mkdir) - /* When using 'viewdir' may have to create the directory. */ - if (using_vdir && !mch_isdir(p_vdir)) - vim_mkdir_emsg(p_vdir, 0755); -#endif - - fd = open_exfile(fname, eap->forceit, WRITEBIN); - if (fd != NULL) - { -#ifdef FEAT_SESSION - if (eap->cmdidx == CMD_mkview) - flagp = &vop_flags; - else - flagp = &ssop_flags; -#endif - -#ifdef MKSESSION_NL - /* "unix" in 'sessionoptions': use NL line separator */ - if (view_session && (*flagp & SSOP_UNIX)) - mksession_nl = TRUE; -#endif - - /* Write the version command for :mkvimrc */ - if (eap->cmdidx == CMD_mkvimrc) - (void)put_line(fd, "version 6.0"); - -#ifdef FEAT_SESSION - if (eap->cmdidx == CMD_mksession) - { - if (put_line(fd, "let SessionLoad = 1") == FAIL) - failed = TRUE; - } - - if (eap->cmdidx != CMD_mkview) -#endif - { - /* Write setting 'compatible' first, because it has side effects. - * For that same reason only do it when needed. */ - if (p_cp) - (void)put_line(fd, "if !&cp | set cp | endif"); - else - (void)put_line(fd, "if &cp | set nocp | endif"); - } - -#ifdef FEAT_SESSION - if (!view_session - || (eap->cmdidx == CMD_mksession - && (*flagp & SSOP_OPTIONS))) -#endif - failed |= (makemap(fd, NULL) == FAIL - || makeset(fd, OPT_GLOBAL, FALSE) == FAIL); - -#ifdef FEAT_SESSION - if (!failed && view_session) - { - if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL) - failed = TRUE; - if (eap->cmdidx == CMD_mksession) - { - char_u *dirnow; /* current directory */ - - dirnow = alloc(MAXPATHL); - if (dirnow == NULL) - failed = TRUE; - else - { - /* - * Change to session file's dir. - */ - if (mch_dirname(dirnow, MAXPATHL) == FAIL - || mch_chdir((char *)dirnow) != 0) - *dirnow = NUL; - if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR)) - { - if (vim_chdirfile(fname, NULL) == OK) - shorten_fnames(TRUE); - } - else if (*dirnow != NUL - && (ssop_flags & SSOP_CURDIR) && globaldir != NULL) - { - if (mch_chdir((char *)globaldir) == 0) - shorten_fnames(TRUE); - } - - failed |= (makeopens(fd, dirnow) == FAIL); - - /* restore original dir */ - if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR) - || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL))) - { - if (mch_chdir((char *)dirnow) != 0) - emsg(_(e_prev_dir)); - shorten_fnames(TRUE); - } - vim_free(dirnow); - } - } - else - { - failed |= (put_view(fd, curwin, !using_vdir, flagp, - -1) == FAIL); - } - if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save") - == FAIL) - failed = TRUE; -# ifdef FEAT_SEARCH_EXTRA - if (no_hlsearch && put_line(fd, "nohlsearch") == FAIL) - failed = TRUE; -# endif - if (put_line(fd, "doautoall SessionLoadPost") == FAIL) - failed = TRUE; - if (eap->cmdidx == CMD_mksession) - { - if (put_line(fd, "unlet SessionLoad") == FAIL) - failed = TRUE; - } - } -#endif - if (put_line(fd, "\" vim: set ft=vim :") == FAIL) - failed = TRUE; - - failed |= fclose(fd); - - if (failed) - emsg(_(e_write)); -#if defined(FEAT_EVAL) && defined(FEAT_SESSION) - else if (eap->cmdidx == CMD_mksession) - { - /* successful session write - set this_session var */ - char_u *tbuf; - - tbuf = alloc(MAXPATHL); - if (tbuf != NULL) - { - if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK) - set_vim_var_string(VV_THIS_SESSION, tbuf, -1); - vim_free(tbuf); - } - } -#endif -#ifdef MKSESSION_NL - mksession_nl = FALSE; -#endif - } - -#ifdef FEAT_BROWSE -theend: - vim_free(browseFile); -#endif -#ifdef FEAT_SESSION - vim_free(viewFile); -#endif -} - #if ((defined(FEAT_SESSION) || defined(FEAT_EVAL)) && defined(vim_mkdir)) \ || defined(PROTO) int @@ -9717,999 +9474,6 @@ expand_sfile(char_u *arg) return result; } -#ifdef FEAT_SESSION -static int ses_winsizes(FILE *fd, int restore_size, - win_T *tab_firstwin); -static int ses_win_rec(FILE *fd, frame_T *fr); -static frame_T *ses_skipframe(frame_T *fr); -static int ses_do_frame(frame_T *fr); -static int ses_do_win(win_T *wp); -static int ses_arglist(FILE *fd, char *cmd, garray_T *gap, int fullname, unsigned *flagp); -static int ses_put_fname(FILE *fd, char_u *name, unsigned *flagp); -static int ses_fname(FILE *fd, buf_T *buf, unsigned *flagp, int add_eol); - -/* - * Write openfile commands for the current buffers to an .exrc file. - * Return FAIL on error, OK otherwise. - */ - static int -makeopens( - FILE *fd, - char_u *dirnow) /* Current directory name */ -{ - buf_T *buf; - int only_save_windows = TRUE; - int nr; - int restore_size = TRUE; - win_T *wp; - char_u *sname; - win_T *edited_win = NULL; - int tabnr; - int restore_stal = FALSE; - win_T *tab_firstwin; - frame_T *tab_topframe; - int cur_arg_idx = 0; - int next_arg_idx = 0; - - if (ssop_flags & SSOP_BUFFERS) - only_save_windows = FALSE; /* Save ALL buffers */ - - /* - * Begin by setting the this_session variable, and then other - * sessionable variables. - */ -#ifdef FEAT_EVAL - if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL) - return FAIL; - if (ssop_flags & SSOP_GLOBALS) - if (store_session_globals(fd) == FAIL) - return FAIL; -#endif - - /* - * Close all windows and tabs but one. - */ - if (put_line(fd, "silent only") == FAIL) - return FAIL; - if ((ssop_flags & SSOP_TABPAGES) - && put_line(fd, "silent tabonly") == FAIL) - return FAIL; - - /* - * Now a :cd command to the session directory or the current directory - */ - if (ssop_flags & SSOP_SESDIR) - { - if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')") - == FAIL) - return FAIL; - } - else if (ssop_flags & SSOP_CURDIR) - { - sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow); - if (sname == NULL - || fputs("cd ", fd) < 0 - || ses_put_fname(fd, sname, &ssop_flags) == FAIL - || put_eol(fd) == FAIL) - { - vim_free(sname); - return FAIL; - } - vim_free(sname); - } - - /* - * If there is an empty, unnamed buffer we will wipe it out later. - * Remember the buffer number. - */ - if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL) - return FAIL; - if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL) - return FAIL; - if (put_line(fd, "endif") == FAIL) - return FAIL; - - /* - * Now save the current files, current buffer first. - */ - if (put_line(fd, "set shortmess=aoO") == FAIL) - return FAIL; - - /* the global argument list */ - if (ses_arglist(fd, "argglobal", &global_alist.al_ga, - !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL) - return FAIL; - - if (ssop_flags & SSOP_RESIZE) - { - /* Note: after the restore we still check it worked!*/ - if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0 - || put_eol(fd) == FAIL) - return FAIL; - } - -#ifdef FEAT_GUI - if (gui.in_use && (ssop_flags & SSOP_WINPOS)) - { - int x, y; - - if (gui_mch_get_winpos(&x, &y) == OK) - { - /* Note: after the restore we still check it worked!*/ - if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL) - return FAIL; - } - } -#endif - - /* - * When there are two or more tabpages and 'showtabline' is 1 the tabline - * will be displayed when creating the next tab. That resizes the windows - * in the first tab, which may cause problems. Set 'showtabline' to 2 - * temporarily to avoid that. - */ - if (p_stal == 1 && first_tabpage->tp_next != NULL) - { - if (put_line(fd, "set stal=2") == FAIL) - return FAIL; - restore_stal = TRUE; - } - - /* - * May repeat putting Windows for each tab, when "tabpages" is in - * 'sessionoptions'. - * Don't use goto_tabpage(), it may change directory and trigger - * autocommands. - */ - tab_firstwin = firstwin; /* first window in tab page "tabnr" */ - tab_topframe = topframe; - if ((ssop_flags & SSOP_TABPAGES)) - { - tabpage_T *tp; - - // Similar to ses_win_rec() below, populate the tab pages first so - // later local options won't be copied to the new tabs. - FOR_ALL_TABPAGES(tp) - if (tp->tp_next != NULL && put_line(fd, "tabnew") == FAIL) - return FAIL; - if (first_tabpage->tp_next != NULL && put_line(fd, "tabrewind") == FAIL) - return FAIL; - } - for (tabnr = 1; ; ++tabnr) - { - tabpage_T *tp = NULL; - int need_tabnext = FALSE; - int cnr = 1; - - if ((ssop_flags & SSOP_TABPAGES)) - { - tp = find_tabpage(tabnr); - - if (tp == NULL) - break; /* done all tab pages */ - if (tp == curtab) - { - tab_firstwin = firstwin; - tab_topframe = topframe; - } - else - { - tab_firstwin = tp->tp_firstwin; - tab_topframe = tp->tp_topframe; - } - if (tabnr > 1) - need_tabnext = TRUE; - } - - /* - * Before creating the window layout, try loading one file. If this - * is aborted we don't end up with a number of useless windows. - * This may have side effects! (e.g., compressed or network file). - */ - for (wp = tab_firstwin; wp != NULL; wp = wp->w_next) - { - if (ses_do_win(wp) - && wp->w_buffer->b_ffname != NULL - && !bt_help(wp->w_buffer) -#ifdef FEAT_QUICKFIX - && !bt_nofilename(wp->w_buffer) -#endif - ) - { - if (need_tabnext && put_line(fd, "tabnext") == FAIL) - return FAIL; - need_tabnext = FALSE; - - if (fputs("edit ", fd) < 0 - || ses_fname(fd, wp->w_buffer, &ssop_flags, TRUE) - == FAIL) - return FAIL; - if (!wp->w_arg_idx_invalid) - edited_win = wp; - break; - } - } - - /* If no file got edited create an empty tab page. */ - if (need_tabnext && put_line(fd, "tabnext") == FAIL) - return FAIL; - - /* - * Save current window layout. - */ - if (put_line(fd, "set splitbelow splitright") == FAIL) - return FAIL; - if (ses_win_rec(fd, tab_topframe) == FAIL) - return FAIL; - if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL) - return FAIL; - if (!p_spr && put_line(fd, "set nosplitright") == FAIL) - return FAIL; - - /* - * Check if window sizes can be restored (no windows omitted). - * Remember the window number of the current window after restoring. - */ - nr = 0; - for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp)) - { - if (ses_do_win(wp)) - ++nr; - else - restore_size = FALSE; - if (curwin == wp) - cnr = nr; - } - - /* Go to the first window. */ - if (put_line(fd, "wincmd t") == FAIL) - return FAIL; - - /* - * If more than one window, see if sizes can be restored. - * First set 'winheight' and 'winwidth' to 1 to avoid the windows being - * resized when moving between windows. - * Do this before restoring the view, so that the topline and the - * cursor can be set. This is done again below. - * winminheight and winminwidth need to be set to avoid an error if the - * user has set winheight or winwidth. - */ - if (put_line(fd, "set winminheight=0") == FAIL - || put_line(fd, "set winheight=1") == FAIL - || put_line(fd, "set winminwidth=0") == FAIL - || put_line(fd, "set winwidth=1") == FAIL) - return FAIL; - if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL) - return FAIL; - - // Restore the tab-local working directory if specified - // Do this before the windows, so that the window-local directory can - // override the tab-local directory. - if (tp != NULL && tp->tp_localdir != NULL && ssop_flags & SSOP_CURDIR) - { - if (fputs("tcd ", fd) < 0 - || ses_put_fname(fd, tp->tp_localdir, &ssop_flags) == FAIL - || put_eol(fd) == FAIL) - return FAIL; - did_lcd = TRUE; - } - - /* - * Restore the view of the window (options, file, cursor, etc.). - */ - for (wp = tab_firstwin; wp != NULL; wp = wp->w_next) - { - if (!ses_do_win(wp)) - continue; - if (put_view(fd, wp, wp != edited_win, &ssop_flags, - cur_arg_idx) == FAIL) - return FAIL; - if (nr > 1 && put_line(fd, "wincmd w") == FAIL) - return FAIL; - next_arg_idx = wp->w_arg_idx; - } - - /* The argument index in the first tab page is zero, need to set it in - * each window. For further tab pages it's the window where we do - * "tabedit". */ - cur_arg_idx = next_arg_idx; - - /* - * Restore cursor to the current window if it's not the first one. - */ - if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0 - || put_eol(fd) == FAIL)) - return FAIL; - - /* - * Restore window sizes again after jumping around in windows, because - * the current window has a minimum size while others may not. - */ - if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL) - return FAIL; - - /* Don't continue in another tab page when doing only the current one - * or when at the last tab page. */ - if (!(ssop_flags & SSOP_TABPAGES)) - break; - } - - if (ssop_flags & SSOP_TABPAGES) - { - if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0 - || put_eol(fd) == FAIL) - return FAIL; - } - if (restore_stal && put_line(fd, "set stal=1") == FAIL) - return FAIL; - - // Now put the remaining buffers into the buffer list. - // This is near the end, so that when 'hidden' is set we don't create extra - // buffers. If the buffer was already created with another command the - // ":badd" will have no effect. - FOR_ALL_BUFFERS(buf) - { - if (!(only_save_windows && buf->b_nwindows == 0) - && !(buf->b_help && !(ssop_flags & SSOP_HELP)) -#ifdef FEAT_TERMINAL - // Skip terminal buffers: finished ones are not useful, others - // will be resurrected and result in a new buffer. - && !bt_terminal(buf) -#endif - && buf->b_fname != NULL - && buf->b_p_bl) - { - if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L - : buf->b_wininfo->wi_fpos.lnum) < 0 - || ses_fname(fd, buf, &ssop_flags, TRUE) == FAIL) - return FAIL; - } - } - - /* - * Wipe out an empty unnamed buffer we started in. - */ - if (put_line(fd, "if exists('s:wipebuf') && len(win_findbuf(s:wipebuf)) == 0") - == FAIL) - return FAIL; - if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL) - return FAIL; - if (put_line(fd, "endif") == FAIL) - return FAIL; - if (put_line(fd, "unlet! s:wipebuf") == FAIL) - return FAIL; - - /* Re-apply 'winheight', 'winwidth' and 'shortmess'. */ - if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s", - p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL) - return FAIL; - /* Re-apply 'winminheight' and 'winminwidth'. */ - if (fprintf(fd, "set winminheight=%ld winminwidth=%ld", - p_wmh, p_wmw) < 0 || put_eol(fd) == FAIL) - return FAIL; - - /* - * Lastly, execute the x.vim file if it exists. - */ - if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL - || put_line(fd, "if file_readable(s:sx)") == FAIL - || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL - || put_line(fd, "endif") == FAIL) - return FAIL; - - return OK; -} - - static int -ses_winsizes( - FILE *fd, - int restore_size, - win_T *tab_firstwin) -{ - int n = 0; - win_T *wp; - - if (restore_size && (ssop_flags & SSOP_WINSIZE)) - { - for (wp = tab_firstwin; wp != NULL; wp = wp->w_next) - { - if (!ses_do_win(wp)) - continue; - ++n; - - /* restore height when not full height */ - if (wp->w_height + wp->w_status_height < topframe->fr_height - && (fprintf(fd, - "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)", - n, (long)wp->w_height, Rows / 2, Rows) < 0 - || put_eol(fd) == FAIL)) - return FAIL; - - /* restore width when not full width */ - if (wp->w_width < Columns && (fprintf(fd, - "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)", - n, (long)wp->w_width, Columns / 2, Columns) < 0 - || put_eol(fd) == FAIL)) - return FAIL; - } - } - else - { - /* Just equalise window sizes */ - if (put_line(fd, "wincmd =") == FAIL) - return FAIL; - } - return OK; -} - -/* - * Write commands to "fd" to recursively create windows for frame "fr", - * horizontally and vertically split. - * After the commands the last window in the frame is the current window. - * Returns FAIL when writing the commands to "fd" fails. - */ - static int -ses_win_rec(FILE *fd, frame_T *fr) -{ - frame_T *frc; - int count = 0; - - if (fr->fr_layout != FR_LEAF) - { - /* Find first frame that's not skipped and then create a window for - * each following one (first frame is already there). */ - frc = ses_skipframe(fr->fr_child); - if (frc != NULL) - while ((frc = ses_skipframe(frc->fr_next)) != NULL) - { - /* Make window as big as possible so that we have lots of room - * to split. */ - if (put_line(fd, "wincmd _ | wincmd |") == FAIL - || put_line(fd, fr->fr_layout == FR_COL - ? "split" : "vsplit") == FAIL) - return FAIL; - ++count; - } - - /* Go back to the first window. */ - if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL - ? "%dwincmd k" : "%dwincmd h", count) < 0 - || put_eol(fd) == FAIL)) - return FAIL; - - /* Recursively create frames/windows in each window of this column or - * row. */ - frc = ses_skipframe(fr->fr_child); - while (frc != NULL) - { - ses_win_rec(fd, frc); - frc = ses_skipframe(frc->fr_next); - /* Go to next window. */ - if (frc != NULL && put_line(fd, "wincmd w") == FAIL) - return FAIL; - } - } - return OK; -} - -/* - * Skip frames that don't contain windows we want to save in the Session. - * Returns NULL when there none. - */ - static frame_T * -ses_skipframe(frame_T *fr) -{ - frame_T *frc; - - FOR_ALL_FRAMES(frc, fr) - if (ses_do_frame(frc)) - break; - return frc; -} - -/* - * Return TRUE if frame "fr" has a window somewhere that we want to save in - * the Session. - */ - static int -ses_do_frame(frame_T *fr) -{ - frame_T *frc; - - if (fr->fr_layout == FR_LEAF) - return ses_do_win(fr->fr_win); - FOR_ALL_FRAMES(frc, fr->fr_child) - if (ses_do_frame(frc)) - return TRUE; - return FALSE; -} - -/* - * Return non-zero if window "wp" is to be stored in the Session. - */ - static int -ses_do_win(win_T *wp) -{ -#ifdef FEAT_TERMINAL - if (bt_terminal(wp->w_buffer)) - return !term_is_finished(wp->w_buffer) - && (ssop_flags & SSOP_TERMINAL) - && term_should_restore(wp->w_buffer); -#endif - if (wp->w_buffer->b_fname == NULL -#ifdef FEAT_QUICKFIX - /* When 'buftype' is "nofile" can't restore the window contents. */ - || bt_nofilename(wp->w_buffer) -#endif - ) - return (ssop_flags & SSOP_BLANK); - if (bt_help(wp->w_buffer)) - return (ssop_flags & SSOP_HELP); - return TRUE; -} - - static int -put_view_curpos(FILE *fd, win_T *wp, char *spaces) -{ - int r; - - if (wp->w_curswant == MAXCOL) - r = fprintf(fd, "%snormal! $", spaces); - else - r = fprintf(fd, "%snormal! 0%d|", spaces, wp->w_virtcol + 1); - return r < 0 || put_eol(fd) == FAIL ? FALSE : OK; -} - -/* - * Write commands to "fd" to restore the view of a window. - * Caller must make sure 'scrolloff' is zero. - */ - static int -put_view( - FILE *fd, - win_T *wp, - int add_edit, /* add ":edit" command to view */ - unsigned *flagp, /* vop_flags or ssop_flags */ - int current_arg_idx) /* current argument index of the window, use - * -1 if unknown */ -{ - win_T *save_curwin; - int f; - int do_cursor; - int did_next = FALSE; - - /* Always restore cursor position for ":mksession". For ":mkview" only - * when 'viewoptions' contains "cursor". */ - do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR); - - /* - * Local argument list. - */ - if (wp->w_alist == &global_alist) - { - if (put_line(fd, "argglobal") == FAIL) - return FAIL; - } - else - { - if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga, - flagp == &vop_flags - || !(*flagp & SSOP_CURDIR) - || wp->w_localdir != NULL, flagp) == FAIL) - return FAIL; - } - - /* Only when part of a session: restore the argument index. Some - * arguments may have been deleted, check if the index is valid. */ - if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx < WARGCOUNT(wp) - && flagp == &ssop_flags) - { - if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0 - || put_eol(fd) == FAIL) - return FAIL; - did_next = TRUE; - } - - /* Edit the file. Skip this when ":next" already did it. */ - if (add_edit && (!did_next || wp->w_arg_idx_invalid)) - { -# ifdef FEAT_TERMINAL - if (bt_terminal(wp->w_buffer)) - { - if (term_write_session(fd, wp) == FAIL) - return FAIL; - } - else -# endif - /* - * Load the file. - */ - if (wp->w_buffer->b_ffname != NULL -# ifdef FEAT_QUICKFIX - && !bt_nofilename(wp->w_buffer) -# endif - ) - { - /* - * Editing a file in this buffer: use ":edit file". - * This may have side effects! (e.g., compressed or network file). - * - * Note, if a buffer for that file already exists, use :badd to - * edit that buffer, to not lose folding information (:edit resets - * folds in other buffers) - */ - if (fputs("if bufexists(\"", fd) < 0 - || ses_fname(fd, wp->w_buffer, flagp, FALSE) == FAIL - || fputs("\") | buffer ", fd) < 0 - || ses_fname(fd, wp->w_buffer, flagp, FALSE) == FAIL - || fputs(" | else | edit ", fd) < 0 - || ses_fname(fd, wp->w_buffer, flagp, FALSE) == FAIL - || fputs(" | endif", fd) < 0 - || put_eol(fd) == FAIL) - return FAIL; - } - else - { - /* No file in this buffer, just make it empty. */ - if (put_line(fd, "enew") == FAIL) - return FAIL; -#ifdef FEAT_QUICKFIX - if (wp->w_buffer->b_ffname != NULL) - { - /* The buffer does have a name, but it's not a file name. */ - if (fputs("file ", fd) < 0 - || ses_fname(fd, wp->w_buffer, flagp, TRUE) == FAIL) - return FAIL; - } -#endif - do_cursor = FALSE; - } - } - - /* - * Local mappings and abbreviations. - */ - if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS)) - && makemap(fd, wp->w_buffer) == FAIL) - return FAIL; - - /* - * Local options. Need to go to the window temporarily. - * Store only local values when using ":mkview" and when ":mksession" is - * used and 'sessionoptions' doesn't include "options". - * Some folding options are always stored when "folds" is included, - * otherwise the folds would not be restored correctly. - */ - save_curwin = curwin; - curwin = wp; - curbuf = curwin->w_buffer; - if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS)) - f = makeset(fd, OPT_LOCAL, - flagp == &vop_flags || !(*flagp & SSOP_OPTIONS)); -#ifdef FEAT_FOLDING - else if (*flagp & SSOP_FOLDS) - f = makefoldset(fd); -#endif - else - f = OK; - curwin = save_curwin; - curbuf = curwin->w_buffer; - if (f == FAIL) - return FAIL; - -#ifdef FEAT_FOLDING - /* - * Save Folds when 'buftype' is empty and for help files. - */ - if ((*flagp & SSOP_FOLDS) - && wp->w_buffer->b_ffname != NULL - && (bt_normal(wp->w_buffer) || bt_help(wp->w_buffer))) - { - if (put_folds(fd, wp) == FAIL) - return FAIL; - } -#endif - - /* - * Set the cursor after creating folds, since that moves the cursor. - */ - if (do_cursor) - { - - /* Restore the cursor line in the file and relatively in the - * window. Don't use "G", it changes the jumplist. */ - if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)", - (long)wp->w_cursor.lnum, - (long)(wp->w_cursor.lnum - wp->w_topline), - (long)wp->w_height / 2, (long)wp->w_height) < 0 - || put_eol(fd) == FAIL - || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL - || put_line(fd, "exe s:l") == FAIL - || put_line(fd, "normal! zt") == FAIL - || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0 - || put_eol(fd) == FAIL) - return FAIL; - /* Restore the cursor column and left offset when not wrapping. */ - if (wp->w_cursor.col == 0) - { - if (put_line(fd, "normal! 0") == FAIL) - return FAIL; - } - else - { - if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0) - { - if (fprintf(fd, - "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)", - (long)wp->w_virtcol + 1, - (long)(wp->w_virtcol - wp->w_leftcol), - (long)wp->w_width / 2, (long)wp->w_width) < 0 - || put_eol(fd) == FAIL - || put_line(fd, "if s:c > 0") == FAIL - || fprintf(fd, - " exe 'normal! ' . s:c . '|zs' . %ld . '|'", - (long)wp->w_virtcol + 1) < 0 - || put_eol(fd) == FAIL - || put_line(fd, "else") == FAIL - || put_view_curpos(fd, wp, " ") == FAIL - || put_line(fd, "endif") == FAIL) - return FAIL; - } - else if (put_view_curpos(fd, wp, "") == FAIL) - return FAIL; - } - } - - /* - * Local directory, if the current flag is not view options or the "curdir" - * option is included. - */ - if (wp->w_localdir != NULL - && (flagp != &vop_flags || (*flagp & SSOP_CURDIR))) - { - if (fputs("lcd ", fd) < 0 - || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL - || put_eol(fd) == FAIL) - return FAIL; - did_lcd = TRUE; - } - - return OK; -} - -/* - * Write an argument list to the session file. - * Returns FAIL if writing fails. - */ - static int -ses_arglist( - FILE *fd, - char *cmd, - garray_T *gap, - int fullname, /* TRUE: use full path name */ - unsigned *flagp) -{ - int i; - char_u *buf = NULL; - char_u *s; - - if (fputs(cmd, fd) < 0 || put_eol(fd) == FAIL) - return FAIL; - if (put_line(fd, "%argdel") == FAIL) - return FAIL; - for (i = 0; i < gap->ga_len; ++i) - { - /* NULL file names are skipped (only happens when out of memory). */ - s = alist_name(&((aentry_T *)gap->ga_data)[i]); - if (s != NULL) - { - if (fullname) - { - buf = alloc(MAXPATHL); - if (buf != NULL) - { - (void)vim_FullName(s, buf, MAXPATHL, FALSE); - s = buf; - } - } - if (fputs("$argadd ", fd) < 0 - || ses_put_fname(fd, s, flagp) == FAIL - || put_eol(fd) == FAIL) - { - vim_free(buf); - return FAIL; - } - vim_free(buf); - } - } - return OK; -} - -/* - * Write a buffer name to the session file. - * Also ends the line, if "add_eol" is TRUE. - * Returns FAIL if writing fails. - */ - static int -ses_fname(FILE *fd, buf_T *buf, unsigned *flagp, int add_eol) -{ - char_u *name; - - /* Use the short file name if the current directory is known at the time - * the session file will be sourced. - * Don't do this for ":mkview", we don't know the current directory. - * Don't do this after ":lcd", we don't keep track of what the current - * directory is. */ - if (buf->b_sfname != NULL - && flagp == &ssop_flags - && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR)) -#ifdef FEAT_AUTOCHDIR - && !p_acd -#endif - && !did_lcd) - name = buf->b_sfname; - else - name = buf->b_ffname; - if (ses_put_fname(fd, name, flagp) == FAIL - || (add_eol && put_eol(fd) == FAIL)) - return FAIL; - return OK; -} - -/* - * Write a file name to the session file. - * Takes care of the "slash" option in 'sessionoptions' and escapes special - * characters. - * Returns FAIL if writing fails or out of memory. - */ - static int -ses_put_fname(FILE *fd, char_u *name, unsigned *flagp) -{ - char_u *sname; - char_u *p; - int retval = OK; - - sname = home_replace_save(NULL, name); - if (sname == NULL) - return FAIL; - - if (*flagp & SSOP_SLASH) - { - /* change all backslashes to forward slashes */ - for (p = sname; *p != NUL; MB_PTR_ADV(p)) - if (*p == '\\') - *p = '/'; - } - - /* escape special characters */ - p = vim_strsave_fnameescape(sname, FALSE); - vim_free(sname); - if (p == NULL) - return FAIL; - - /* write the result */ - if (fputs((char *)p, fd) < 0) - retval = FAIL; - - vim_free(p); - return retval; -} - -/* - * ":loadview [nr]" - */ - static void -ex_loadview(exarg_T *eap) -{ - char_u *fname; - - fname = get_view_file(*eap->arg); - if (fname != NULL) - { - do_source(fname, FALSE, DOSO_NONE); - vim_free(fname); - } -} - -/* - * Get the name of the view file for the current buffer. - */ - static char_u * -get_view_file(int c) -{ - int len = 0; - char_u *p, *s; - char_u *retval; - char_u *sname; - - if (curbuf->b_ffname == NULL) - { - emsg(_(e_noname)); - return NULL; - } - sname = home_replace_save(NULL, curbuf->b_ffname); - if (sname == NULL) - return NULL; - - /* - * We want a file name without separators, because we're not going to make - * a directory. - * "normal" path separator -> "=+" - * "=" -> "==" - * ":" path separator -> "=-" - */ - for (p = sname; *p; ++p) - if (*p == '=' || vim_ispathsep(*p)) - ++len; - retval = alloc(STRLEN(sname) + len + STRLEN(p_vdir) + 9); - if (retval != NULL) - { - STRCPY(retval, p_vdir); - add_pathsep(retval); - s = retval + STRLEN(retval); - for (p = sname; *p; ++p) - { - if (*p == '=') - { - *s++ = '='; - *s++ = '='; - } - else if (vim_ispathsep(*p)) - { - *s++ = '='; -#if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(VMS) - if (*p == ':') - *s++ = '-'; - else -#endif - *s++ = '+'; - } - else - *s++ = *p; - } - *s++ = '='; - *s++ = c; - STRCPY(s, ".vim"); - } - - vim_free(sname); - return retval; -} - -#endif /* FEAT_SESSION */ - -/* - * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession". - * Return FAIL for a write error. - */ - int -put_eol(FILE *fd) -{ - if ( -#ifdef USE_CRNL - ( -# ifdef MKSESSION_NL - !mksession_nl && -# endif - (putc('\r', fd) < 0)) || -#endif - (putc('\n', fd) < 0)) - return FAIL; - return OK; -} - -/* - * Write a line to "fd". - * Return FAIL for a write error. - */ - int -put_line(FILE *fd, char *s) -{ - if (fputs(s, fd) < 0 || put_eol(fd) == FAIL) - return FAIL; - return OK; -} - #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO) /* * Make a dialog message in "buff[DIALOG_MSG_SIZE]".
--- a/src/misc2.c +++ b/src/misc2.c @@ -4678,80 +4678,3 @@ build_argv_from_list(list_T *l, char *** } # endif #endif - -#if defined(FEAT_SESSION) || defined(PROTO) -/* - * Generate a script that can be used to restore the current editing session. - * Save the value of v:this_session before running :mksession in order to make - * automagic session save fully transparent. Return TRUE on success. - */ - int -write_session_file(char_u *filename) -{ - char_u *escaped_filename; - char *mksession_cmdline; - unsigned int save_ssop_flags; - int failed; - - /* - * Build an ex command line to create a script that restores the current - * session if executed. Escape the filename to avoid nasty surprises. - */ - escaped_filename = vim_strsave_escaped(filename, escape_chars); - if (escaped_filename == NULL) - return FALSE; - mksession_cmdline = alloc(10 + (int)STRLEN(escaped_filename) + 1); - if (mksession_cmdline == NULL) - { - vim_free(escaped_filename); - return FALSE; - } - strcpy(mksession_cmdline, "mksession "); - STRCAT(mksession_cmdline, escaped_filename); - vim_free(escaped_filename); - - /* - * Use a reasonable hardcoded set of 'sessionoptions' flags to avoid - * unpredictable effects when the session is saved automatically. Also, - * we definitely need SSOP_GLOBALS to be able to restore v:this_session. - * Don't use SSOP_BUFFERS to prevent the buffer list from becoming - * enormously large if the GNOME session feature is used regularly. - */ - save_ssop_flags = ssop_flags; - ssop_flags = (SSOP_BLANK|SSOP_CURDIR|SSOP_FOLDS|SSOP_GLOBALS - |SSOP_HELP|SSOP_OPTIONS|SSOP_WINSIZE|SSOP_TABPAGES); - - do_cmdline_cmd((char_u *)"let Save_VV_this_session = v:this_session"); - failed = (do_cmdline_cmd((char_u *)mksession_cmdline) == FAIL); - do_cmdline_cmd((char_u *)"let v:this_session = Save_VV_this_session"); - do_unlet((char_u *)"Save_VV_this_session", TRUE); - - ssop_flags = save_ssop_flags; - vim_free(mksession_cmdline); - - /* - * Reopen the file and append a command to restore v:this_session, - * as if this save never happened. This is to avoid conflicts with - * the user's own sessions. FIXME: It's probably less hackish to add - * a "stealth" flag to 'sessionoptions' -- gotta ask Bram. - */ - if (!failed) - { - FILE *fd; - - fd = open_exfile(filename, TRUE, APPENDBIN); - - failed = (fd == NULL - || put_line(fd, "let v:this_session = Save_VV_this_session") == FAIL - || put_line(fd, "unlet Save_VV_this_session") == FAIL); - - if (fd != NULL && fclose(fd) != 0) - failed = TRUE; - - if (failed) - mch_remove(filename); - } - - return !failed; -} -#endif
--- a/src/proto.h +++ b/src/proto.h @@ -183,6 +183,9 @@ void qsort(void *base, size_t elm_count, # endif # include "regexp.pro" # include "screen.pro" +# ifdef FEAT_SESSION +# include "session.pro" +# endif # if defined(FEAT_CRYPT) || defined(FEAT_PERSISTENT_UNDO) # include "sha256.pro" # endif
--- a/src/proto/eval.pro +++ b/src/proto/eval.pro @@ -126,8 +126,6 @@ void getwinvar(typval_T *argvars, typval void setwinvar(typval_T *argvars, typval_T *rettv, int off); char_u *autoload_name(char_u *name); int script_autoload(char_u *name, int reload); -var_flavour_T var_flavour(char_u *varname); -int store_session_globals(FILE *fd); void last_set_msg(sctx_T script_ctx); void reset_v_option_vars(void); void assert_error(garray_T *gap);
--- a/src/proto/misc2.pro +++ b/src/proto/misc2.pro @@ -108,5 +108,4 @@ void parse_queued_messages(void); int mch_parse_cmd(char_u *cmd, int use_shcf, char ***argv, int *argc); int build_argv_from_string(char_u *cmd, char ***argv, int *argc); int build_argv_from_list(list_T *l, char ***argv, int *argc); -int write_session_file(char_u *filename); /* vim: set ft=c : */
new file mode 100644 --- /dev/null +++ b/src/proto/session.pro @@ -0,0 +1,8 @@ +/* session.c */ +void ex_loadview(exarg_T *eap); +int write_session_file(char_u *filename); +void ex_mkrc(exarg_T *eap); +var_flavour_T var_flavour(char_u *varname); +int put_eol(FILE *fd); +int put_line(FILE *fd, char *s); +/* vim: set ft=c : */
new file mode 100644 --- /dev/null +++ b/src/session.c @@ -0,0 +1,1346 @@ +/* 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. + */ + +/* + * session.c: session related functions + */ + +#include "vim.h" + +#if defined(FEAT_SESSION) || defined(PROTO) + +static int did_lcd; // whether ":lcd" was produced for a session + +/* + * Write a file name to the session file. + * Takes care of the "slash" option in 'sessionoptions' and escapes special + * characters. + * Returns FAIL if writing fails or out of memory. + */ + static int +ses_put_fname(FILE *fd, char_u *name, unsigned *flagp) +{ + char_u *sname; + char_u *p; + int retval = OK; + + sname = home_replace_save(NULL, name); + if (sname == NULL) + return FAIL; + + if (*flagp & SSOP_SLASH) + { + // change all backslashes to forward slashes + for (p = sname; *p != NUL; MB_PTR_ADV(p)) + if (*p == '\\') + *p = '/'; + } + + // escape special characters + p = vim_strsave_fnameescape(sname, FALSE); + vim_free(sname); + if (p == NULL) + return FAIL; + + // write the result + if (fputs((char *)p, fd) < 0) + retval = FAIL; + + vim_free(p); + return retval; +} + +/* + * Write a buffer name to the session file. + * Also ends the line, if "add_eol" is TRUE. + * Returns FAIL if writing fails. + */ + static int +ses_fname(FILE *fd, buf_T *buf, unsigned *flagp, int add_eol) +{ + char_u *name; + + // Use the short file name if the current directory is known at the time + // the session file will be sourced. + // Don't do this for ":mkview", we don't know the current directory. + // Don't do this after ":lcd", we don't keep track of what the current + // directory is. + if (buf->b_sfname != NULL + && flagp == &ssop_flags + && (ssop_flags & (SSOP_CURDIR | SSOP_SESDIR)) +#ifdef FEAT_AUTOCHDIR + && !p_acd +#endif + && !did_lcd) + name = buf->b_sfname; + else + name = buf->b_ffname; + if (ses_put_fname(fd, name, flagp) == FAIL + || (add_eol && put_eol(fd) == FAIL)) + return FAIL; + return OK; +} + +/* + * Write an argument list to the session file. + * Returns FAIL if writing fails. + */ + static int +ses_arglist( + FILE *fd, + char *cmd, + garray_T *gap, + int fullname, // TRUE: use full path name + unsigned *flagp) +{ + int i; + char_u *buf = NULL; + char_u *s; + + if (fputs(cmd, fd) < 0 || put_eol(fd) == FAIL) + return FAIL; + if (put_line(fd, "%argdel") == FAIL) + return FAIL; + for (i = 0; i < gap->ga_len; ++i) + { + // NULL file names are skipped (only happens when out of memory). + s = alist_name(&((aentry_T *)gap->ga_data)[i]); + if (s != NULL) + { + if (fullname) + { + buf = alloc(MAXPATHL); + if (buf != NULL) + { + (void)vim_FullName(s, buf, MAXPATHL, FALSE); + s = buf; + } + } + if (fputs("$argadd ", fd) < 0 + || ses_put_fname(fd, s, flagp) == FAIL + || put_eol(fd) == FAIL) + { + vim_free(buf); + return FAIL; + } + vim_free(buf); + } + } + return OK; +} + +/* + * Return non-zero if window "wp" is to be stored in the Session. + */ + static int +ses_do_win(win_T *wp) +{ +#ifdef FEAT_TERMINAL + if (bt_terminal(wp->w_buffer)) + return !term_is_finished(wp->w_buffer) + && (ssop_flags & SSOP_TERMINAL) + && term_should_restore(wp->w_buffer); +#endif + if (wp->w_buffer->b_fname == NULL +#ifdef FEAT_QUICKFIX + // When 'buftype' is "nofile" can't restore the window contents. + || bt_nofilename(wp->w_buffer) +#endif + ) + return (ssop_flags & SSOP_BLANK); + if (bt_help(wp->w_buffer)) + return (ssop_flags & SSOP_HELP); + return TRUE; +} + +/* + * Return TRUE if frame "fr" has a window somewhere that we want to save in + * the Session. + */ + static int +ses_do_frame(frame_T *fr) +{ + frame_T *frc; + + if (fr->fr_layout == FR_LEAF) + return ses_do_win(fr->fr_win); + FOR_ALL_FRAMES(frc, fr->fr_child) + if (ses_do_frame(frc)) + return TRUE; + return FALSE; +} + +/* + * Skip frames that don't contain windows we want to save in the Session. + * Returns NULL when there none. + */ + static frame_T * +ses_skipframe(frame_T *fr) +{ + frame_T *frc; + + FOR_ALL_FRAMES(frc, fr) + if (ses_do_frame(frc)) + break; + return frc; +} + +/* + * Write commands to "fd" to recursively create windows for frame "fr", + * horizontally and vertically split. + * After the commands the last window in the frame is the current window. + * Returns FAIL when writing the commands to "fd" fails. + */ + static int +ses_win_rec(FILE *fd, frame_T *fr) +{ + frame_T *frc; + int count = 0; + + if (fr->fr_layout != FR_LEAF) + { + // Find first frame that's not skipped and then create a window for + // each following one (first frame is already there). + frc = ses_skipframe(fr->fr_child); + if (frc != NULL) + while ((frc = ses_skipframe(frc->fr_next)) != NULL) + { + // Make window as big as possible so that we have lots of room + // to split. + if (put_line(fd, "wincmd _ | wincmd |") == FAIL + || put_line(fd, fr->fr_layout == FR_COL + ? "split" : "vsplit") == FAIL) + return FAIL; + ++count; + } + + // Go back to the first window. + if (count > 0 && (fprintf(fd, fr->fr_layout == FR_COL + ? "%dwincmd k" : "%dwincmd h", count) < 0 + || put_eol(fd) == FAIL)) + return FAIL; + + // Recursively create frames/windows in each window of this column or + // row. + frc = ses_skipframe(fr->fr_child); + while (frc != NULL) + { + ses_win_rec(fd, frc); + frc = ses_skipframe(frc->fr_next); + // Go to next window. + if (frc != NULL && put_line(fd, "wincmd w") == FAIL) + return FAIL; + } + } + return OK; +} + + static int +ses_winsizes( + FILE *fd, + int restore_size, + win_T *tab_firstwin) +{ + int n = 0; + win_T *wp; + + if (restore_size && (ssop_flags & SSOP_WINSIZE)) + { + for (wp = tab_firstwin; wp != NULL; wp = wp->w_next) + { + if (!ses_do_win(wp)) + continue; + ++n; + + // restore height when not full height + if (wp->w_height + wp->w_status_height < topframe->fr_height + && (fprintf(fd, + "exe '%dresize ' . ((&lines * %ld + %ld) / %ld)", + n, (long)wp->w_height, Rows / 2, Rows) < 0 + || put_eol(fd) == FAIL)) + return FAIL; + + // restore width when not full width + if (wp->w_width < Columns && (fprintf(fd, + "exe 'vert %dresize ' . ((&columns * %ld + %ld) / %ld)", + n, (long)wp->w_width, Columns / 2, Columns) < 0 + || put_eol(fd) == FAIL)) + return FAIL; + } + } + else + { + // Just equalise window sizes + if (put_line(fd, "wincmd =") == FAIL) + return FAIL; + } + return OK; +} + + static int +put_view_curpos(FILE *fd, win_T *wp, char *spaces) +{ + int r; + + if (wp->w_curswant == MAXCOL) + r = fprintf(fd, "%snormal! $", spaces); + else + r = fprintf(fd, "%snormal! 0%d|", spaces, wp->w_virtcol + 1); + return r < 0 || put_eol(fd) == FAIL ? FALSE : OK; +} + +/* + * Write commands to "fd" to restore the view of a window. + * Caller must make sure 'scrolloff' is zero. + */ + static int +put_view( + FILE *fd, + win_T *wp, + int add_edit, // add ":edit" command to view + unsigned *flagp, // vop_flags or ssop_flags + int current_arg_idx) // current argument index of the window, use + // -1 if unknown +{ + win_T *save_curwin; + int f; + int do_cursor; + int did_next = FALSE; + + // Always restore cursor position for ":mksession". For ":mkview" only + // when 'viewoptions' contains "cursor". + do_cursor = (flagp == &ssop_flags || *flagp & SSOP_CURSOR); + + // Local argument list. + if (wp->w_alist == &global_alist) + { + if (put_line(fd, "argglobal") == FAIL) + return FAIL; + } + else + { + if (ses_arglist(fd, "arglocal", &wp->w_alist->al_ga, + flagp == &vop_flags + || !(*flagp & SSOP_CURDIR) + || wp->w_localdir != NULL, flagp) == FAIL) + return FAIL; + } + + // Only when part of a session: restore the argument index. Some + // arguments may have been deleted, check if the index is valid. + if (wp->w_arg_idx != current_arg_idx && wp->w_arg_idx < WARGCOUNT(wp) + && flagp == &ssop_flags) + { + if (fprintf(fd, "%ldargu", (long)wp->w_arg_idx + 1) < 0 + || put_eol(fd) == FAIL) + return FAIL; + did_next = TRUE; + } + + // Edit the file. Skip this when ":next" already did it. + if (add_edit && (!did_next || wp->w_arg_idx_invalid)) + { +# ifdef FEAT_TERMINAL + if (bt_terminal(wp->w_buffer)) + { + if (term_write_session(fd, wp) == FAIL) + return FAIL; + } + else +# endif + // Load the file. + if (wp->w_buffer->b_ffname != NULL +# ifdef FEAT_QUICKFIX + && !bt_nofilename(wp->w_buffer) +# endif + ) + { + // Editing a file in this buffer: use ":edit file". + // This may have side effects! (e.g., compressed or network file). + // + // Note, if a buffer for that file already exists, use :badd to + // edit that buffer, to not lose folding information (:edit resets + // folds in other buffers) + if (fputs("if bufexists(\"", fd) < 0 + || ses_fname(fd, wp->w_buffer, flagp, FALSE) == FAIL + || fputs("\") | buffer ", fd) < 0 + || ses_fname(fd, wp->w_buffer, flagp, FALSE) == FAIL + || fputs(" | else | edit ", fd) < 0 + || ses_fname(fd, wp->w_buffer, flagp, FALSE) == FAIL + || fputs(" | endif", fd) < 0 + || put_eol(fd) == FAIL) + return FAIL; + } + else + { + // No file in this buffer, just make it empty. + if (put_line(fd, "enew") == FAIL) + return FAIL; +#ifdef FEAT_QUICKFIX + if (wp->w_buffer->b_ffname != NULL) + { + // The buffer does have a name, but it's not a file name. + if (fputs("file ", fd) < 0 + || ses_fname(fd, wp->w_buffer, flagp, TRUE) == FAIL) + return FAIL; + } +#endif + do_cursor = FALSE; + } + } + + // Local mappings and abbreviations. + if ((*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS)) + && makemap(fd, wp->w_buffer) == FAIL) + return FAIL; + + // Local options. Need to go to the window temporarily. + // Store only local values when using ":mkview" and when ":mksession" is + // used and 'sessionoptions' doesn't include "options". + // Some folding options are always stored when "folds" is included, + // otherwise the folds would not be restored correctly. + save_curwin = curwin; + curwin = wp; + curbuf = curwin->w_buffer; + if (*flagp & (SSOP_OPTIONS | SSOP_LOCALOPTIONS)) + f = makeset(fd, OPT_LOCAL, + flagp == &vop_flags || !(*flagp & SSOP_OPTIONS)); +#ifdef FEAT_FOLDING + else if (*flagp & SSOP_FOLDS) + f = makefoldset(fd); +#endif + else + f = OK; + curwin = save_curwin; + curbuf = curwin->w_buffer; + if (f == FAIL) + return FAIL; + +#ifdef FEAT_FOLDING + // Save Folds when 'buftype' is empty and for help files. + if ((*flagp & SSOP_FOLDS) + && wp->w_buffer->b_ffname != NULL + && (bt_normal(wp->w_buffer) || bt_help(wp->w_buffer))) + { + if (put_folds(fd, wp) == FAIL) + return FAIL; + } +#endif + + // Set the cursor after creating folds, since that moves the cursor. + if (do_cursor) + { + + // Restore the cursor line in the file and relatively in the + // window. Don't use "G", it changes the jumplist. + if (fprintf(fd, "let s:l = %ld - ((%ld * winheight(0) + %ld) / %ld)", + (long)wp->w_cursor.lnum, + (long)(wp->w_cursor.lnum - wp->w_topline), + (long)wp->w_height / 2, (long)wp->w_height) < 0 + || put_eol(fd) == FAIL + || put_line(fd, "if s:l < 1 | let s:l = 1 | endif") == FAIL + || put_line(fd, "exe s:l") == FAIL + || put_line(fd, "normal! zt") == FAIL + || fprintf(fd, "%ld", (long)wp->w_cursor.lnum) < 0 + || put_eol(fd) == FAIL) + return FAIL; + // Restore the cursor column and left offset when not wrapping. + if (wp->w_cursor.col == 0) + { + if (put_line(fd, "normal! 0") == FAIL) + return FAIL; + } + else + { + if (!wp->w_p_wrap && wp->w_leftcol > 0 && wp->w_width > 0) + { + if (fprintf(fd, + "let s:c = %ld - ((%ld * winwidth(0) + %ld) / %ld)", + (long)wp->w_virtcol + 1, + (long)(wp->w_virtcol - wp->w_leftcol), + (long)wp->w_width / 2, (long)wp->w_width) < 0 + || put_eol(fd) == FAIL + || put_line(fd, "if s:c > 0") == FAIL + || fprintf(fd, + " exe 'normal! ' . s:c . '|zs' . %ld . '|'", + (long)wp->w_virtcol + 1) < 0 + || put_eol(fd) == FAIL + || put_line(fd, "else") == FAIL + || put_view_curpos(fd, wp, " ") == FAIL + || put_line(fd, "endif") == FAIL) + return FAIL; + } + else if (put_view_curpos(fd, wp, "") == FAIL) + return FAIL; + } + } + + // Local directory, if the current flag is not view options or the "curdir" + // option is included. + if (wp->w_localdir != NULL + && (flagp != &vop_flags || (*flagp & SSOP_CURDIR))) + { + if (fputs("lcd ", fd) < 0 + || ses_put_fname(fd, wp->w_localdir, flagp) == FAIL + || put_eol(fd) == FAIL) + return FAIL; + did_lcd = TRUE; + } + + return OK; +} + +#ifdef FEAT_EVAL + static int +store_session_globals(FILE *fd) +{ + hashitem_T *hi; + dictitem_T *this_var; + int todo; + char_u *p, *t; + + todo = (int)globvarht.ht_used; + for (hi = globvarht.ht_array; todo > 0; ++hi) + { + if (!HASHITEM_EMPTY(hi)) + { + --todo; + this_var = HI2DI(hi); + if ((this_var->di_tv.v_type == VAR_NUMBER + || this_var->di_tv.v_type == VAR_STRING) + && var_flavour(this_var->di_key) == VAR_FLAVOUR_SESSION) + { + // Escape special characters with a backslash. Turn a LF and + // CR into \n and \r. + p = vim_strsave_escaped(tv_get_string(&this_var->di_tv), + (char_u *)"\\\"\n\r"); + if (p == NULL) // out of memory + break; + for (t = p; *t != NUL; ++t) + if (*t == '\n') + *t = 'n'; + else if (*t == '\r') + *t = 'r'; + if ((fprintf(fd, "let %s = %c%s%c", + this_var->di_key, + (this_var->di_tv.v_type == VAR_STRING) ? '"' + : ' ', + p, + (this_var->di_tv.v_type == VAR_STRING) ? '"' + : ' ') < 0) + || put_eol(fd) == FAIL) + { + vim_free(p); + return FAIL; + } + vim_free(p); + } +#ifdef FEAT_FLOAT + else if (this_var->di_tv.v_type == VAR_FLOAT + && var_flavour(this_var->di_key) == VAR_FLAVOUR_SESSION) + { + float_T f = this_var->di_tv.vval.v_float; + int sign = ' '; + + if (f < 0) + { + f = -f; + sign = '-'; + } + if ((fprintf(fd, "let %s = %c%f", + this_var->di_key, sign, f) < 0) + || put_eol(fd) == FAIL) + return FAIL; + } +#endif + } + } + return OK; +} +#endif + +/* + * Write openfile commands for the current buffers to an .exrc file. + * Return FAIL on error, OK otherwise. + */ + static int +makeopens( + FILE *fd, + char_u *dirnow) // Current directory name +{ + buf_T *buf; + int only_save_windows = TRUE; + int nr; + int restore_size = TRUE; + win_T *wp; + char_u *sname; + win_T *edited_win = NULL; + int tabnr; + int restore_stal = FALSE; + win_T *tab_firstwin; + frame_T *tab_topframe; + int cur_arg_idx = 0; + int next_arg_idx = 0; + + if (ssop_flags & SSOP_BUFFERS) + only_save_windows = FALSE; // Save ALL buffers + + // Begin by setting the this_session variable, and then other + // sessionable variables. +#ifdef FEAT_EVAL + if (put_line(fd, "let v:this_session=expand(\"<sfile>:p\")") == FAIL) + return FAIL; + if (ssop_flags & SSOP_GLOBALS) + if (store_session_globals(fd) == FAIL) + return FAIL; +#endif + + // Close all windows and tabs but one. + if (put_line(fd, "silent only") == FAIL) + return FAIL; + if ((ssop_flags & SSOP_TABPAGES) + && put_line(fd, "silent tabonly") == FAIL) + return FAIL; + + // Now a :cd command to the session directory or the current directory + if (ssop_flags & SSOP_SESDIR) + { + if (put_line(fd, "exe \"cd \" . escape(expand(\"<sfile>:p:h\"), ' ')") + == FAIL) + return FAIL; + } + else if (ssop_flags & SSOP_CURDIR) + { + sname = home_replace_save(NULL, globaldir != NULL ? globaldir : dirnow); + if (sname == NULL + || fputs("cd ", fd) < 0 + || ses_put_fname(fd, sname, &ssop_flags) == FAIL + || put_eol(fd) == FAIL) + { + vim_free(sname); + return FAIL; + } + vim_free(sname); + } + + // If there is an empty, unnamed buffer we will wipe it out later. + // Remember the buffer number. + if (put_line(fd, "if expand('%') == '' && !&modified && line('$') <= 1 && getline(1) == ''") == FAIL) + return FAIL; + if (put_line(fd, " let s:wipebuf = bufnr('%')") == FAIL) + return FAIL; + if (put_line(fd, "endif") == FAIL) + return FAIL; + + // Now save the current files, current buffer first. + if (put_line(fd, "set shortmess=aoO") == FAIL) + return FAIL; + + // the global argument list + if (ses_arglist(fd, "argglobal", &global_alist.al_ga, + !(ssop_flags & SSOP_CURDIR), &ssop_flags) == FAIL) + return FAIL; + + if (ssop_flags & SSOP_RESIZE) + { + // Note: after the restore we still check it worked! + if (fprintf(fd, "set lines=%ld columns=%ld" , Rows, Columns) < 0 + || put_eol(fd) == FAIL) + return FAIL; + } + +#ifdef FEAT_GUI + if (gui.in_use && (ssop_flags & SSOP_WINPOS)) + { + int x, y; + + if (gui_mch_get_winpos(&x, &y) == OK) + { + // Note: after the restore we still check it worked! + if (fprintf(fd, "winpos %d %d", x, y) < 0 || put_eol(fd) == FAIL) + return FAIL; + } + } +#endif + + // When there are two or more tabpages and 'showtabline' is 1 the tabline + // will be displayed when creating the next tab. That resizes the windows + // in the first tab, which may cause problems. Set 'showtabline' to 2 + // temporarily to avoid that. + if (p_stal == 1 && first_tabpage->tp_next != NULL) + { + if (put_line(fd, "set stal=2") == FAIL) + return FAIL; + restore_stal = TRUE; + } + + // May repeat putting Windows for each tab, when "tabpages" is in + // 'sessionoptions'. + // Don't use goto_tabpage(), it may change directory and trigger + // autocommands. + tab_firstwin = firstwin; // first window in tab page "tabnr" + tab_topframe = topframe; + if ((ssop_flags & SSOP_TABPAGES)) + { + tabpage_T *tp; + + // Similar to ses_win_rec() below, populate the tab pages first so + // later local options won't be copied to the new tabs. + FOR_ALL_TABPAGES(tp) + if (tp->tp_next != NULL && put_line(fd, "tabnew") == FAIL) + return FAIL; + if (first_tabpage->tp_next != NULL && put_line(fd, "tabrewind") == FAIL) + return FAIL; + } + for (tabnr = 1; ; ++tabnr) + { + tabpage_T *tp = NULL; + int need_tabnext = FALSE; + int cnr = 1; + + if ((ssop_flags & SSOP_TABPAGES)) + { + tp = find_tabpage(tabnr); + + if (tp == NULL) + break; // done all tab pages + if (tp == curtab) + { + tab_firstwin = firstwin; + tab_topframe = topframe; + } + else + { + tab_firstwin = tp->tp_firstwin; + tab_topframe = tp->tp_topframe; + } + if (tabnr > 1) + need_tabnext = TRUE; + } + + // Before creating the window layout, try loading one file. If this + // is aborted we don't end up with a number of useless windows. + // This may have side effects! (e.g., compressed or network file). + for (wp = tab_firstwin; wp != NULL; wp = wp->w_next) + { + if (ses_do_win(wp) + && wp->w_buffer->b_ffname != NULL + && !bt_help(wp->w_buffer) +#ifdef FEAT_QUICKFIX + && !bt_nofilename(wp->w_buffer) +#endif + ) + { + if (need_tabnext && put_line(fd, "tabnext") == FAIL) + return FAIL; + need_tabnext = FALSE; + + if (fputs("edit ", fd) < 0 + || ses_fname(fd, wp->w_buffer, &ssop_flags, TRUE) + == FAIL) + return FAIL; + if (!wp->w_arg_idx_invalid) + edited_win = wp; + break; + } + } + + // If no file got edited create an empty tab page. + if (need_tabnext && put_line(fd, "tabnext") == FAIL) + return FAIL; + + // Save current window layout. + if (put_line(fd, "set splitbelow splitright") == FAIL) + return FAIL; + if (ses_win_rec(fd, tab_topframe) == FAIL) + return FAIL; + if (!p_sb && put_line(fd, "set nosplitbelow") == FAIL) + return FAIL; + if (!p_spr && put_line(fd, "set nosplitright") == FAIL) + return FAIL; + + // Check if window sizes can be restored (no windows omitted). + // Remember the window number of the current window after restoring. + nr = 0; + for (wp = tab_firstwin; wp != NULL; wp = W_NEXT(wp)) + { + if (ses_do_win(wp)) + ++nr; + else + restore_size = FALSE; + if (curwin == wp) + cnr = nr; + } + + // Go to the first window. + if (put_line(fd, "wincmd t") == FAIL) + return FAIL; + + // If more than one window, see if sizes can be restored. + // First set 'winheight' and 'winwidth' to 1 to avoid the windows being + // resized when moving between windows. + // Do this before restoring the view, so that the topline and the + // cursor can be set. This is done again below. + // winminheight and winminwidth need to be set to avoid an error if the + // user has set winheight or winwidth. + if (put_line(fd, "set winminheight=0") == FAIL + || put_line(fd, "set winheight=1") == FAIL + || put_line(fd, "set winminwidth=0") == FAIL + || put_line(fd, "set winwidth=1") == FAIL) + return FAIL; + if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL) + return FAIL; + + // Restore the tab-local working directory if specified + // Do this before the windows, so that the window-local directory can + // override the tab-local directory. + if (tp != NULL && tp->tp_localdir != NULL && ssop_flags & SSOP_CURDIR) + { + if (fputs("tcd ", fd) < 0 + || ses_put_fname(fd, tp->tp_localdir, &ssop_flags) == FAIL + || put_eol(fd) == FAIL) + return FAIL; + did_lcd = TRUE; + } + + // Restore the view of the window (options, file, cursor, etc.). + for (wp = tab_firstwin; wp != NULL; wp = wp->w_next) + { + if (!ses_do_win(wp)) + continue; + if (put_view(fd, wp, wp != edited_win, &ssop_flags, + cur_arg_idx) == FAIL) + return FAIL; + if (nr > 1 && put_line(fd, "wincmd w") == FAIL) + return FAIL; + next_arg_idx = wp->w_arg_idx; + } + + // The argument index in the first tab page is zero, need to set it in + // each window. For further tab pages it's the window where we do + // "tabedit". + cur_arg_idx = next_arg_idx; + + // Restore cursor to the current window if it's not the first one. + if (cnr > 1 && (fprintf(fd, "%dwincmd w", cnr) < 0 + || put_eol(fd) == FAIL)) + return FAIL; + + // Restore window sizes again after jumping around in windows, because + // the current window has a minimum size while others may not. + if (nr > 1 && ses_winsizes(fd, restore_size, tab_firstwin) == FAIL) + return FAIL; + + // Don't continue in another tab page when doing only the current one + // or when at the last tab page. + if (!(ssop_flags & SSOP_TABPAGES)) + break; + } + + if (ssop_flags & SSOP_TABPAGES) + { + if (fprintf(fd, "tabnext %d", tabpage_index(curtab)) < 0 + || put_eol(fd) == FAIL) + return FAIL; + } + if (restore_stal && put_line(fd, "set stal=1") == FAIL) + return FAIL; + + // Now put the remaining buffers into the buffer list. + // This is near the end, so that when 'hidden' is set we don't create extra + // buffers. If the buffer was already created with another command the + // ":badd" will have no effect. + FOR_ALL_BUFFERS(buf) + { + if (!(only_save_windows && buf->b_nwindows == 0) + && !(buf->b_help && !(ssop_flags & SSOP_HELP)) +#ifdef FEAT_TERMINAL + // Skip terminal buffers: finished ones are not useful, others + // will be resurrected and result in a new buffer. + && !bt_terminal(buf) +#endif + && buf->b_fname != NULL + && buf->b_p_bl) + { + if (fprintf(fd, "badd +%ld ", buf->b_wininfo == NULL ? 1L + : buf->b_wininfo->wi_fpos.lnum) < 0 + || ses_fname(fd, buf, &ssop_flags, TRUE) == FAIL) + return FAIL; + } + } + + // Wipe out an empty unnamed buffer we started in. + if (put_line(fd, "if exists('s:wipebuf') && len(win_findbuf(s:wipebuf)) == 0") + == FAIL) + return FAIL; + if (put_line(fd, " silent exe 'bwipe ' . s:wipebuf") == FAIL) + return FAIL; + if (put_line(fd, "endif") == FAIL) + return FAIL; + if (put_line(fd, "unlet! s:wipebuf") == FAIL) + return FAIL; + + // Re-apply 'winheight', 'winwidth' and 'shortmess'. + if (fprintf(fd, "set winheight=%ld winwidth=%ld shortmess=%s", + p_wh, p_wiw, p_shm) < 0 || put_eol(fd) == FAIL) + return FAIL; + // Re-apply 'winminheight' and 'winminwidth'. + if (fprintf(fd, "set winminheight=%ld winminwidth=%ld", + p_wmh, p_wmw) < 0 || put_eol(fd) == FAIL) + return FAIL; + + // Lastly, execute the x.vim file if it exists. + if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL + || put_line(fd, "if file_readable(s:sx)") == FAIL + || put_line(fd, " exe \"source \" . fnameescape(s:sx)") == FAIL + || put_line(fd, "endif") == FAIL) + return FAIL; + + return OK; +} + +/* + * Get the name of the view file for the current buffer. + */ + static char_u * +get_view_file(int c) +{ + int len = 0; + char_u *p, *s; + char_u *retval; + char_u *sname; + + if (curbuf->b_ffname == NULL) + { + emsg(_(e_noname)); + return NULL; + } + sname = home_replace_save(NULL, curbuf->b_ffname); + if (sname == NULL) + return NULL; + + // We want a file name without separators, because we're not going to make + // a directory. + // "normal" path separator -> "=+" + // "=" -> "==" + // ":" path separator -> "=-" + for (p = sname; *p; ++p) + if (*p == '=' || vim_ispathsep(*p)) + ++len; + retval = alloc(STRLEN(sname) + len + STRLEN(p_vdir) + 9); + if (retval != NULL) + { + STRCPY(retval, p_vdir); + add_pathsep(retval); + s = retval + STRLEN(retval); + for (p = sname; *p; ++p) + { + if (*p == '=') + { + *s++ = '='; + *s++ = '='; + } + else if (vim_ispathsep(*p)) + { + *s++ = '='; +#if defined(BACKSLASH_IN_FILENAME) || defined(AMIGA) || defined(VMS) + if (*p == ':') + *s++ = '-'; + else +#endif + *s++ = '+'; + } + else + *s++ = *p; + } + *s++ = '='; + *s++ = c; + STRCPY(s, ".vim"); + } + + vim_free(sname); + return retval; +} + +/* + * ":loadview [nr]" + */ + void +ex_loadview(exarg_T *eap) +{ + char_u *fname; + + fname = get_view_file(*eap->arg); + if (fname != NULL) + { + do_source(fname, FALSE, DOSO_NONE); + vim_free(fname); + } +} + +#if defined(FEAT_GUI) || defined(PROTO) +/* + * Generate a script that can be used to restore the current editing session. + * Save the value of v:this_session before running :mksession in order to make + * automagic session save fully transparent. Return TRUE on success. + */ + int +write_session_file(char_u *filename) +{ + char_u *escaped_filename; + char *mksession_cmdline; + unsigned int save_ssop_flags; + int failed; + + // Build an ex command line to create a script that restores the current + // session if executed. Escape the filename to avoid nasty surprises. + escaped_filename = vim_strsave_escaped(filename, escape_chars); + if (escaped_filename == NULL) + return FALSE; + mksession_cmdline = alloc(10 + (int)STRLEN(escaped_filename) + 1); + if (mksession_cmdline == NULL) + { + vim_free(escaped_filename); + return FALSE; + } + strcpy(mksession_cmdline, "mksession "); + STRCAT(mksession_cmdline, escaped_filename); + vim_free(escaped_filename); + + // Use a reasonable hardcoded set of 'sessionoptions' flags to avoid + // unpredictable effects when the session is saved automatically. Also, + // we definitely need SSOP_GLOBALS to be able to restore v:this_session. + // Don't use SSOP_BUFFERS to prevent the buffer list from becoming + // enormously large if the GNOME session feature is used regularly. + save_ssop_flags = ssop_flags; + ssop_flags = (SSOP_BLANK|SSOP_CURDIR|SSOP_FOLDS|SSOP_GLOBALS + |SSOP_HELP|SSOP_OPTIONS|SSOP_WINSIZE|SSOP_TABPAGES); + + do_cmdline_cmd((char_u *)"let Save_VV_this_session = v:this_session"); + failed = (do_cmdline_cmd((char_u *)mksession_cmdline) == FAIL); + do_cmdline_cmd((char_u *)"let v:this_session = Save_VV_this_session"); + do_unlet((char_u *)"Save_VV_this_session", TRUE); + + ssop_flags = save_ssop_flags; + vim_free(mksession_cmdline); + + // Reopen the file and append a command to restore v:this_session, + // as if this save never happened. This is to avoid conflicts with + // the user's own sessions. FIXME: It's probably less hackish to add + // a "stealth" flag to 'sessionoptions' -- gotta ask Bram. + if (!failed) + { + FILE *fd; + + fd = open_exfile(filename, TRUE, APPENDBIN); + + failed = (fd == NULL + || put_line(fd, "let v:this_session = Save_VV_this_session") + == FAIL + || put_line(fd, "unlet Save_VV_this_session") == FAIL); + + if (fd != NULL && fclose(fd) != 0) + failed = TRUE; + + if (failed) + mch_remove(filename); + } + + return !failed; +} +# endif + +#endif // FEAT_SESSION + +#if defined(FEAT_SESSION) && defined(USE_CRNL) +# define MKSESSION_NL +static int mksession_nl = FALSE; // use NL only in put_eol() +#endif + +#if defined(FEAT_SESSION) || defined(PROTO) +/* + * ":mkexrc", ":mkvimrc", ":mkview" and ":mksession". + */ + void +ex_mkrc(exarg_T *eap) +{ + FILE *fd; + int failed = FALSE; + char_u *fname; +#ifdef FEAT_BROWSE + char_u *browseFile = NULL; +#endif +#ifdef FEAT_SESSION + int view_session = FALSE; + int using_vdir = FALSE; // using 'viewdir'? + char_u *viewFile = NULL; + unsigned *flagp; +#endif + + if (eap->cmdidx == CMD_mksession || eap->cmdidx == CMD_mkview) + { +#ifdef FEAT_SESSION + view_session = TRUE; +#else + ex_ni(eap); + return; +#endif + } + +#ifdef FEAT_SESSION + // Use the short file name until ":lcd" is used. We also don't use the + // short file name when 'acd' is set, that is checked later. + did_lcd = FALSE; + + // ":mkview" or ":mkview 9": generate file name with 'viewdir' + if (eap->cmdidx == CMD_mkview + && (*eap->arg == NUL + || (vim_isdigit(*eap->arg) && eap->arg[1] == NUL))) + { + eap->forceit = TRUE; + fname = get_view_file(*eap->arg); + if (fname == NULL) + return; + viewFile = fname; + using_vdir = TRUE; + } + else +#endif + if (*eap->arg != NUL) + fname = eap->arg; + else if (eap->cmdidx == CMD_mkvimrc) + fname = (char_u *)VIMRC_FILE; +#ifdef FEAT_SESSION + else if (eap->cmdidx == CMD_mksession) + fname = (char_u *)SESSION_FILE; +#endif + else + fname = (char_u *)EXRC_FILE; + +#ifdef FEAT_BROWSE + if (cmdmod.browse) + { + browseFile = do_browse(BROWSE_SAVE, +# ifdef FEAT_SESSION + eap->cmdidx == CMD_mkview ? (char_u *)_("Save View") : + eap->cmdidx == CMD_mksession ? (char_u *)_("Save Session") : +# endif + (char_u *)_("Save Setup"), + fname, (char_u *)"vim", NULL, + (char_u *)_(BROWSE_FILTER_MACROS), NULL); + if (browseFile == NULL) + goto theend; + fname = browseFile; + eap->forceit = TRUE; // since dialog already asked + } +#endif + +#if defined(FEAT_SESSION) && defined(vim_mkdir) + // When using 'viewdir' may have to create the directory. + if (using_vdir && !mch_isdir(p_vdir)) + vim_mkdir_emsg(p_vdir, 0755); +#endif + + fd = open_exfile(fname, eap->forceit, WRITEBIN); + if (fd != NULL) + { +#ifdef FEAT_SESSION + if (eap->cmdidx == CMD_mkview) + flagp = &vop_flags; + else + flagp = &ssop_flags; +#endif + +#ifdef MKSESSION_NL + // "unix" in 'sessionoptions': use NL line separator + if (view_session && (*flagp & SSOP_UNIX)) + mksession_nl = TRUE; +#endif + + // Write the version command for :mkvimrc + if (eap->cmdidx == CMD_mkvimrc) + (void)put_line(fd, "version 6.0"); + +#ifdef FEAT_SESSION + if (eap->cmdidx == CMD_mksession) + { + if (put_line(fd, "let SessionLoad = 1") == FAIL) + failed = TRUE; + } + + if (eap->cmdidx != CMD_mkview) +#endif + { + // Write setting 'compatible' first, because it has side effects. + // For that same reason only do it when needed. + if (p_cp) + (void)put_line(fd, "if !&cp | set cp | endif"); + else + (void)put_line(fd, "if &cp | set nocp | endif"); + } + +#ifdef FEAT_SESSION + if (!view_session + || (eap->cmdidx == CMD_mksession + && (*flagp & SSOP_OPTIONS))) +#endif + failed |= (makemap(fd, NULL) == FAIL + || makeset(fd, OPT_GLOBAL, FALSE) == FAIL); + +#ifdef FEAT_SESSION + if (!failed && view_session) + { + if (put_line(fd, "let s:so_save = &so | let s:siso_save = &siso | set so=0 siso=0") == FAIL) + failed = TRUE; + if (eap->cmdidx == CMD_mksession) + { + char_u *dirnow; // current directory + + dirnow = alloc(MAXPATHL); + if (dirnow == NULL) + failed = TRUE; + else + { + // Change to session file's dir. + if (mch_dirname(dirnow, MAXPATHL) == FAIL + || mch_chdir((char *)dirnow) != 0) + *dirnow = NUL; + if (*dirnow != NUL && (ssop_flags & SSOP_SESDIR)) + { + if (vim_chdirfile(fname, NULL) == OK) + shorten_fnames(TRUE); + } + else if (*dirnow != NUL + && (ssop_flags & SSOP_CURDIR) && globaldir != NULL) + { + if (mch_chdir((char *)globaldir) == 0) + shorten_fnames(TRUE); + } + + failed |= (makeopens(fd, dirnow) == FAIL); + + // restore original dir + if (*dirnow != NUL && ((ssop_flags & SSOP_SESDIR) + || ((ssop_flags & SSOP_CURDIR) && globaldir != NULL))) + { + if (mch_chdir((char *)dirnow) != 0) + emsg(_(e_prev_dir)); + shorten_fnames(TRUE); + } + vim_free(dirnow); + } + } + else + { + failed |= (put_view(fd, curwin, !using_vdir, flagp, + -1) == FAIL); + } + if (put_line(fd, "let &so = s:so_save | let &siso = s:siso_save") + == FAIL) + failed = TRUE; +# ifdef FEAT_SEARCH_EXTRA + if (no_hlsearch && put_line(fd, "nohlsearch") == FAIL) + failed = TRUE; +# endif + if (put_line(fd, "doautoall SessionLoadPost") == FAIL) + failed = TRUE; + if (eap->cmdidx == CMD_mksession) + { + if (put_line(fd, "unlet SessionLoad") == FAIL) + failed = TRUE; + } + } +#endif + if (put_line(fd, "\" vim: set ft=vim :") == FAIL) + failed = TRUE; + + failed |= fclose(fd); + + if (failed) + emsg(_(e_write)); +#if defined(FEAT_EVAL) && defined(FEAT_SESSION) + else if (eap->cmdidx == CMD_mksession) + { + // successful session write - set this_session var + char_u *tbuf; + + tbuf = alloc(MAXPATHL); + if (tbuf != NULL) + { + if (vim_FullName(fname, tbuf, MAXPATHL, FALSE) == OK) + set_vim_var_string(VV_THIS_SESSION, tbuf, -1); + vim_free(tbuf); + } + } +#endif +#ifdef MKSESSION_NL + mksession_nl = FALSE; +#endif + } + +#ifdef FEAT_BROWSE +theend: + vim_free(browseFile); +#endif +#ifdef FEAT_SESSION + vim_free(viewFile); +#endif +} + +#endif // FEAT_SESSION + +#if defined(FEAT_VIMINFO) || defined(FEAT_SESSION) + var_flavour_T +var_flavour(char_u *varname) +{ + char_u *p = varname; + + if (ASCII_ISUPPER(*p)) + { + while (*(++p)) + if (ASCII_ISLOWER(*p)) + return VAR_FLAVOUR_SESSION; + return VAR_FLAVOUR_VIMINFO; + } + else + return VAR_FLAVOUR_DEFAULT; +} +#endif + +/* + * Write end-of-line character(s) for ":mkexrc", ":mkvimrc" and ":mksession". + * Return FAIL for a write error. + */ + int +put_eol(FILE *fd) +{ + if ( +#ifdef USE_CRNL + ( +# ifdef MKSESSION_NL + !mksession_nl && +# endif + (putc('\r', fd) < 0)) || +#endif + (putc('\n', fd) < 0)) + return FAIL; + return OK; +} + +/* + * Write a line to "fd". + * Return FAIL for a write error. + */ + int +put_line(FILE *fd, char *s) +{ + if (fputs(s, fd) < 0 || put_eol(fd) == FAIL) + return FAIL; + return OK; +}