/* vi:set ts=8 sts=4 sw=4: * * VIM - Vi IMproved by Bram Moolenaar * * Ruby interface by Shugo Maeda * with improvements by SegPhault (Ryan Paul) * * 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. */ #include #include #ifdef _WIN32 # if !defined(DYNAMIC_RUBY_VER) || (DYNAMIC_RUBY_VER < 18) # define NT # endif # ifndef DYNAMIC_RUBY # define IMPORT /* For static dll usage __declspec(dllimport) */ # define RUBYEXTERN __declspec(dllimport) # endif #endif #ifndef RUBYEXTERN # define RUBYEXTERN extern #endif /* * This is tricky. In ruby.h there is (inline) function rb_class_of() * definition. This function use these variables. But we want function to * use dll_* variables. */ #ifdef DYNAMIC_RUBY # define rb_cFalseClass (*dll_rb_cFalseClass) # define rb_cFixnum (*dll_rb_cFixnum) # define rb_cNilClass (*dll_rb_cNilClass) # define rb_cSymbol (*dll_rb_cSymbol) # define rb_cTrueClass (*dll_rb_cTrueClass) # if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 18 /* * On ver 1.8, all Ruby functions are exported with "__declspce(dllimport)" * in ruby.h. But it cause trouble for these variables, because it is * defined in this file. When defined this RUBY_EXPORT it modified to * "extern" and be able to avoid this problem. */ # define RUBY_EXPORT # endif #endif /* suggested by Ariya Mizutani */ #if (_MSC_VER == 1200) # undef _WIN32_WINNT #endif #include #if defined(RUBY_VERSION) && RUBY_VERSION >= 19 # include #endif #undef EXTERN #undef _ /* T_DATA defined both by Ruby and Mac header files, hack around it... */ #if defined(MACOS_X_UNIX) || defined(macintosh) # define __OPENTRANSPORT__ # define __OPENTRANSPORTPROTOCOL__ # define __OPENTRANSPORTPROVIDERS__ #endif /* * Backward compatiblity for Ruby 1.8 and earlier. * Ruby 1.9 does not provide STR2CSTR, instead StringValuePtr is provided. * Ruby 1.9 does not provide RXXX(s)->len and RXXX(s)->ptr, instead * RXXX_LEN(s) and RXXX_PTR(s) are provided. */ #ifndef StringValuePtr # define StringValuePtr(s) STR2CSTR(s) #endif #ifndef RARRAY_LEN # define RARRAY_LEN(s) RARRAY(s)->len #endif #ifndef RARRAY_PTR # define RARRAY_PTR(s) RARRAY(s)->ptr #endif #ifndef RSTRING_LEN # define RSTRING_LEN(s) RSTRING(s)->len #endif #ifndef RSTRING_PTR # define RSTRING_PTR(s) RSTRING(s)->ptr #endif #include "vim.h" #include "version.h" #if defined(PROTO) && !defined(FEAT_RUBY) /* Define these to be able to generate the function prototypes. */ # define VALUE int # define RUBY_DATA_FUNC int #endif static int ruby_initialized = 0; static VALUE objtbl; static VALUE mVIM; static VALUE cBuffer; static VALUE cVimWindow; static VALUE eDeletedBufferError; static VALUE eDeletedWindowError; static int ensure_ruby_initialized(void); static void error_print(int); static void ruby_io_init(void); static void ruby_vim_init(void); #if defined(DYNAMIC_RUBY) || defined(PROTO) #ifdef PROTO # define HINSTANCE int /* for generating prototypes */ #endif /* * Wrapper defines */ #define rb_assoc_new dll_rb_assoc_new #define rb_cObject (*dll_rb_cObject) #define rb_check_type dll_rb_check_type #define rb_class_path dll_rb_class_path #define rb_data_object_alloc dll_rb_data_object_alloc #define rb_define_class_under dll_rb_define_class_under #define rb_define_const dll_rb_define_const #define rb_define_global_function dll_rb_define_global_function #define rb_define_method dll_rb_define_method #define rb_define_module dll_rb_define_module #define rb_define_module_function dll_rb_define_module_function #define rb_define_singleton_method dll_rb_define_singleton_method #define rb_define_virtual_variable dll_rb_define_virtual_variable #define rb_stdout (*dll_rb_stdout) #define rb_eArgError (*dll_rb_eArgError) #define rb_eIndexError (*dll_rb_eIndexError) #define rb_eRuntimeError (*dll_rb_eRuntimeError) #define rb_eStandardError (*dll_rb_eStandardError) #define rb_eval_string_protect dll_rb_eval_string_protect #define rb_global_variable dll_rb_global_variable #define rb_hash_aset dll_rb_hash_aset #define rb_hash_new dll_rb_hash_new #define rb_inspect dll_rb_inspect #define rb_int2inum dll_rb_int2inum #define rb_lastline_get dll_rb_lastline_get #define rb_lastline_set dll_rb_lastline_set #define rb_load_protect dll_rb_load_protect #define rb_num2long dll_rb_num2long #define rb_num2ulong dll_rb_num2ulong #define rb_obj_alloc dll_rb_obj_alloc #define rb_obj_as_string dll_rb_obj_as_string #define rb_obj_id dll_rb_obj_id #define rb_raise dll_rb_raise #define rb_str2cstr dll_rb_str2cstr #define rb_str_cat dll_rb_str_cat #define rb_str_concat dll_rb_str_concat #define rb_str_new dll_rb_str_new #define rb_str_new2 dll_rb_str_new2 #if defined(RUBY_VERSION) && RUBY_VERSION >= 19 # define rb_errinfo dll_rb_errinfo #else # define ruby_errinfo (*dll_ruby_errinfo) #endif #define ruby_init dll_ruby_init #define ruby_init_loadpath dll_ruby_init_loadpath #define NtInitialize dll_NtInitialize #if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 18 # define rb_w32_snprintf dll_rb_w32_snprintf #endif #if defined(RUBY_VERSION) && RUBY_VERSION >= 19 # define ruby_script dll_ruby_script # define rb_enc_find_index dll_rb_enc_find_index # define rb_enc_find dll_rb_enc_find # define rb_enc_str_new dll_rb_enc_str_new # define rb_sprintf dll_rb_sprintf #endif /* * Pointers for dynamic link */ static VALUE (*dll_rb_assoc_new) (VALUE, VALUE); static VALUE *dll_rb_cFalseClass; static VALUE *dll_rb_cFixnum; static VALUE *dll_rb_cNilClass; static VALUE *dll_rb_cObject; static VALUE *dll_rb_cSymbol; static VALUE *dll_rb_cTrueClass; static void (*dll_rb_check_type) (VALUE,int); static VALUE (*dll_rb_class_path) (VALUE); static VALUE (*dll_rb_data_object_alloc) (VALUE, void*, RUBY_DATA_FUNC, RUBY_DATA_FUNC); static VALUE (*dll_rb_define_class_under) (VALUE, const char*, VALUE); static void (*dll_rb_define_const) (VALUE,const char*,VALUE); static void (*dll_rb_define_global_function) (const char*,VALUE(*)(),int); static void (*dll_rb_define_method) (VALUE,const char*,VALUE(*)(),int); static VALUE (*dll_rb_define_module) (const char*); static void (*dll_rb_define_module_function) (VALUE,const char*,VALUE(*)(),int); static void (*dll_rb_define_singleton_method) (VALUE,const char*,VALUE(*)(),int); static void (*dll_rb_define_virtual_variable) (const char*,VALUE(*)(),void(*)()); static VALUE *dll_rb_stdout; static VALUE *dll_rb_eArgError; static VALUE *dll_rb_eIndexError; static VALUE *dll_rb_eRuntimeError; static VALUE *dll_rb_eStandardError; static VALUE (*dll_rb_eval_string_protect) (const char*, int*); static void (*dll_rb_global_variable) (VALUE*); static VALUE (*dll_rb_hash_aset) (VALUE, VALUE, VALUE); static VALUE (*dll_rb_hash_new) (void); static VALUE (*dll_rb_inspect) (VALUE); static VALUE (*dll_rb_int2inum) (long); static VALUE (*dll_rb_int2inum) (long); static VALUE (*dll_rb_lastline_get) (void); static void (*dll_rb_lastline_set) (VALUE); static void (*dll_rb_load_protect) (VALUE, int, int*); static long (*dll_rb_num2long) (VALUE); static unsigned long (*dll_rb_num2ulong) (VALUE); static VALUE (*dll_rb_obj_alloc) (VALUE); static VALUE (*dll_rb_obj_as_string) (VALUE); static VALUE (*dll_rb_obj_id) (VALUE); static void (*dll_rb_raise) (VALUE, const char*, ...); static char *(*dll_rb_str2cstr) (VALUE,int*); static VALUE (*dll_rb_str_cat) (VALUE, const char*, long); static VALUE (*dll_rb_str_concat) (VALUE, VALUE); static VALUE (*dll_rb_str_new) (const char*, long); static VALUE (*dll_rb_str_new2) (const char*); #if defined(RUBY_VERSION) && RUBY_VERSION >= 19 static VALUE (*dll_rb_errinfo) (void); #else static VALUE *dll_ruby_errinfo; #endif static void (*dll_ruby_init) (void); static void (*dll_ruby_init_loadpath) (void); static void (*dll_NtInitialize) (int*, char***); #if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 18 static int (*dll_rb_w32_snprintf)(char*, size_t, const char*, ...); #endif #if defined(RUBY_VERSION) && RUBY_VERSION >= 19 static void (*dll_ruby_script) (const char*); static int (*dll_rb_enc_find_index) (const char*); static rb_encoding* (*dll_rb_enc_find) (const char*); static VALUE (*dll_rb_enc_str_new) (const char*, long, rb_encoding*); static VALUE (*dll_rb_sprintf) (const char*, ...); #endif static HINSTANCE hinstRuby = 0; /* Instance of ruby.dll */ /* * Table of name to function pointer of ruby. */ #define RUBY_PROC FARPROC static struct { char *name; RUBY_PROC *ptr; } ruby_funcname_table[] = { {"rb_assoc_new", (RUBY_PROC*)&dll_rb_assoc_new}, {"rb_cFalseClass", (RUBY_PROC*)&dll_rb_cFalseClass}, {"rb_cFixnum", (RUBY_PROC*)&dll_rb_cFixnum}, {"rb_cNilClass", (RUBY_PROC*)&dll_rb_cNilClass}, {"rb_cObject", (RUBY_PROC*)&dll_rb_cObject}, {"rb_cSymbol", (RUBY_PROC*)&dll_rb_cSymbol}, {"rb_cTrueClass", (RUBY_PROC*)&dll_rb_cTrueClass}, {"rb_check_type", (RUBY_PROC*)&dll_rb_check_type}, {"rb_class_path", (RUBY_PROC*)&dll_rb_class_path}, {"rb_data_object_alloc", (RUBY_PROC*)&dll_rb_data_object_alloc}, {"rb_define_class_under", (RUBY_PROC*)&dll_rb_define_class_under}, {"rb_define_const", (RUBY_PROC*)&dll_rb_define_const}, {"rb_define_global_function", (RUBY_PROC*)&dll_rb_define_global_function}, {"rb_define_method", (RUBY_PROC*)&dll_rb_define_method}, {"rb_define_module", (RUBY_PROC*)&dll_rb_define_module}, {"rb_define_module_function", (RUBY_PROC*)&dll_rb_define_module_function}, {"rb_define_singleton_method", (RUBY_PROC*)&dll_rb_define_singleton_method}, {"rb_define_virtual_variable", (RUBY_PROC*)&dll_rb_define_virtual_variable}, {"rb_stdout", (RUBY_PROC*)&dll_rb_stdout}, {"rb_eArgError", (RUBY_PROC*)&dll_rb_eArgError}, {"rb_eIndexError", (RUBY_PROC*)&dll_rb_eIndexError}, {"rb_eRuntimeError", (RUBY_PROC*)&dll_rb_eRuntimeError}, {"rb_eStandardError", (RUBY_PROC*)&dll_rb_eStandardError}, {"rb_eval_string_protect", (RUBY_PROC*)&dll_rb_eval_string_protect}, {"rb_global_variable", (RUBY_PROC*)&dll_rb_global_variable}, {"rb_hash_aset", (RUBY_PROC*)&dll_rb_hash_aset}, {"rb_hash_new", (RUBY_PROC*)&dll_rb_hash_new}, {"rb_inspect", (RUBY_PROC*)&dll_rb_inspect}, {"rb_int2inum", (RUBY_PROC*)&dll_rb_int2inum}, {"rb_lastline_get", (RUBY_PROC*)&dll_rb_lastline_get}, {"rb_lastline_set", (RUBY_PROC*)&dll_rb_lastline_set}, {"rb_load_protect", (RUBY_PROC*)&dll_rb_load_protect}, {"rb_num2long", (RUBY_PROC*)&dll_rb_num2long}, {"rb_num2ulong", (RUBY_PROC*)&dll_rb_num2ulong}, {"rb_obj_alloc", (RUBY_PROC*)&dll_rb_obj_alloc}, {"rb_obj_as_string", (RUBY_PROC*)&dll_rb_obj_as_string}, {"rb_obj_id", (RUBY_PROC*)&dll_rb_obj_id}, {"rb_raise", (RUBY_PROC*)&dll_rb_raise}, {"rb_str2cstr", (RUBY_PROC*)&dll_rb_str2cstr}, {"rb_str_cat", (RUBY_PROC*)&dll_rb_str_cat}, {"rb_str_concat", (RUBY_PROC*)&dll_rb_str_concat}, {"rb_str_new", (RUBY_PROC*)&dll_rb_str_new}, {"rb_str_new2", (RUBY_PROC*)&dll_rb_str_new2}, #if defined(RUBY_VERSION) && RUBY_VERSION >= 19 {"rb_errinfo", (RUBY_PROC*)&dll_rb_errinfo}, #else {"ruby_errinfo", (RUBY_PROC*)&dll_ruby_errinfo}, #endif {"ruby_init", (RUBY_PROC*)&dll_ruby_init}, {"ruby_init_loadpath", (RUBY_PROC*)&dll_ruby_init_loadpath}, {"NtInitialize", (RUBY_PROC*)&dll_NtInitialize}, #if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 18 {"rb_w32_snprintf", (RUBY_PROC*)&dll_rb_w32_snprintf}, #endif #if defined(RUBY_VERSION) && RUBY_VERSION >= 19 {"ruby_script", (RUBY_PROC*)&dll_ruby_script}, {"rb_enc_find_index", (RUBY_PROC*)&dll_rb_enc_find_index}, {"rb_enc_find", (RUBY_PROC*)&dll_rb_enc_find}, {"rb_enc_str_new", (RUBY_PROC*)&dll_rb_enc_str_new}, {"rb_sprintf", (RUBY_PROC*)&dll_rb_sprintf}, #endif {"", NULL}, }; /* * Free ruby.dll */ static void end_dynamic_ruby() { if (hinstRuby) { FreeLibrary(hinstRuby); hinstRuby = 0; } } /* * Load library and get all pointers. * Parameter 'libname' provides name of DLL. * Return OK or FAIL. */ static int ruby_runtime_link_init(char *libname, int verbose) { int i; if (hinstRuby) return OK; hinstRuby = LoadLibrary(libname); if (!hinstRuby) { if (verbose) EMSG2(_(e_loadlib), libname); return FAIL; } for (i = 0; ruby_funcname_table[i].ptr; ++i) { if (!(*ruby_funcname_table[i].ptr = GetProcAddress(hinstRuby, ruby_funcname_table[i].name))) { FreeLibrary(hinstRuby); hinstRuby = 0; if (verbose) EMSG2(_(e_loadfunc), ruby_funcname_table[i].name); return FAIL; } } return OK; } /* * If ruby is enabled (there is installed ruby on Windows system) return TRUE, * else FALSE. */ int ruby_enabled(verbose) int verbose; { return ruby_runtime_link_init(DYNAMIC_RUBY_DLL, verbose) == OK; } #endif /* defined(DYNAMIC_RUBY) || defined(PROTO) */ void ruby_end() { #ifdef DYNAMIC_RUBY end_dynamic_ruby(); #endif } void ex_ruby(exarg_T *eap) { int state; char *script = NULL; script = (char *)script_get(eap, eap->arg); if (!eap->skip && ensure_ruby_initialized()) { if (script == NULL) rb_eval_string_protect((char *)eap->arg, &state); else rb_eval_string_protect(script, &state); if (state) error_print(state); } vim_free(script); } /* * In Ruby 1.9 or later, ruby String object has encoding. * conversion buffer string of vim to ruby String object using * VIM encoding option. */ static VALUE vim_str2rb_enc_str(const char *s) { #if defined(RUBY_VERSION) && RUBY_VERSION >= 19 int isnum; long lval; char_u *sval; rb_encoding *enc; isnum = get_option_value((char_u *)"enc", &lval, &sval, 0); if (isnum == 0) { enc = rb_enc_find((char *)sval); vim_free(sval); if (enc) { return rb_enc_str_new(s, strlen(s), enc); } } #endif return rb_str_new2(s); } static VALUE eval_enc_string_protect(const char *str, int *state) { #if defined(RUBY_VERSION) && RUBY_VERSION >= 19 int isnum; long lval; char_u *sval; rb_encoding *enc; VALUE v; isnum = get_option_value((char_u *)"enc", &lval, &sval, 0); if (isnum == 0) { enc = rb_enc_find((char *)sval); vim_free(sval); if (enc) { v = rb_sprintf("#-*- coding:%s -*-\n%s", rb_enc_name(enc), str); return rb_eval_string_protect(StringValuePtr(v), state); } } #endif return rb_eval_string_protect(str, state); } void ex_rubydo(exarg_T *eap) { int state; linenr_T i; if (ensure_ruby_initialized()) { if (u_save(eap->line1 - 1, eap->line2 + 1) != OK) return; for (i = eap->line1; i <= eap->line2; i++) { VALUE line, oldline; line = oldline = vim_str2rb_enc_str((char *)ml_get(i)); rb_lastline_set(line); eval_enc_string_protect((char *) eap->arg, &state); if (state) { error_print(state); break; } line = rb_lastline_get(); if (!NIL_P(line)) { if (TYPE(line) != T_STRING) { EMSG(_("E265: $_ must be an instance of String")); return; } ml_replace(i, (char_u *) StringValuePtr(line), 1); changed(); #ifdef SYNTAX_HL syn_changed(i); /* recompute syntax hl. for this line */ #endif } } check_cursor(); update_curbuf(NOT_VALID); } } void ex_rubyfile(exarg_T *eap) { int state; if (ensure_ruby_initialized()) { rb_load_protect(rb_str_new2((char *) eap->arg), 0, &state); if (state) error_print(state); } } void ruby_buffer_free(buf_T *buf) { if (buf->b_ruby_ref) { rb_hash_aset(objtbl, rb_obj_id((VALUE) buf->b_ruby_ref), Qnil); RDATA(buf->b_ruby_ref)->data = NULL; } } void ruby_window_free(win_T *win) { if (win->w_ruby_ref) { rb_hash_aset(objtbl, rb_obj_id((VALUE) win->w_ruby_ref), Qnil); RDATA(win->w_ruby_ref)->data = NULL; } } static int ensure_ruby_initialized(void) { if (!ruby_initialized) { #ifdef DYNAMIC_RUBY if (ruby_enabled(TRUE)) { #endif #ifdef _WIN32 /* suggested by Ariya Mizutani */ int argc = 1; char *argv[] = {"gvim.exe"}; NtInitialize(&argc, &argv); #endif #if defined(RUBY_VERSION) && RUBY_VERSION >= 19 RUBY_INIT_STACK; #endif ruby_init(); #if defined(RUBY_VERSION) && RUBY_VERSION >= 19 ruby_script("vim-ruby"); #endif ruby_init_loadpath(); ruby_io_init(); #if defined(RUBY_VERSION) && RUBY_VERSION >= 19 rb_enc_find_index("encdb"); #endif ruby_vim_init(); ruby_initialized = 1; #ifdef DYNAMIC_RUBY } else { EMSG(_("E266: Sorry, this command is disabled, the Ruby library could not be loaded.")); return 0; } #endif } return ruby_initialized; } static void error_print(int state) { #ifndef DYNAMIC_RUBY #if !(defined(RUBY_VERSION) && RUBY_VERSION >= 19) RUBYEXTERN VALUE ruby_errinfo; #endif #endif VALUE eclass; VALUE einfo; char buff[BUFSIZ]; #define TAG_RETURN 0x1 #define TAG_BREAK 0x2 #define TAG_NEXT 0x3 #define TAG_RETRY 0x4 #define TAG_REDO 0x5 #define TAG_RAISE 0x6 #define TAG_THROW 0x7 #define TAG_FATAL 0x8 #define TAG_MASK 0xf switch (state) { case TAG_RETURN: EMSG(_("E267: unexpected return")); break; case TAG_NEXT: EMSG(_("E268: unexpected next")); break; case TAG_BREAK: EMSG(_("E269: unexpected break")); break; case TAG_REDO: EMSG(_("E270: unexpected redo")); break; case TAG_RETRY: EMSG(_("E271: retry outside of rescue clause")); break; case TAG_RAISE: case TAG_FATAL: #if defined(RUBY_VERSION) && RUBY_VERSION >= 19 eclass = CLASS_OF(rb_errinfo()); einfo = rb_obj_as_string(rb_errinfo()); #else eclass = CLASS_OF(ruby_errinfo); einfo = rb_obj_as_string(ruby_errinfo); #endif if (eclass == rb_eRuntimeError && RSTRING_LEN(einfo) == 0) { EMSG(_("E272: unhandled exception")); } else { VALUE epath; char *p; epath = rb_class_path(eclass); vim_snprintf(buff, BUFSIZ, "%s: %s", RSTRING_PTR(epath), RSTRING_PTR(einfo)); p = strchr(buff, '\n'); if (p) *p = '\0'; EMSG(buff); } break; default: vim_snprintf(buff, BUFSIZ, _("E273: unknown longjmp status %d"), state); EMSG(buff); break; } } static VALUE vim_message(VALUE self UNUSED, VALUE str) { char *buff, *p; str = rb_obj_as_string(str); buff = ALLOCA_N(char, RSTRING_LEN(str)); strcpy(buff, RSTRING_PTR(str)); p = strchr(buff, '\n'); if (p) *p = '\0'; MSG(buff); return Qnil; } static VALUE vim_set_option(VALUE self UNUSED, VALUE str) { do_set((char_u *)StringValuePtr(str), 0); update_screen(NOT_VALID); return Qnil; } static VALUE vim_command(VALUE self UNUSED, VALUE str) { do_cmdline_cmd((char_u *)StringValuePtr(str)); return Qnil; } static VALUE vim_evaluate(VALUE self UNUSED, VALUE str) { #ifdef FEAT_EVAL char_u *value = eval_to_string((char_u *)StringValuePtr(str), NULL, TRUE); if (value != NULL) { VALUE val = rb_str_new2((char *)value); vim_free(value); return val; } else #endif return Qnil; } static VALUE buffer_new(buf_T *buf) { if (buf->b_ruby_ref) { return (VALUE) buf->b_ruby_ref; } else { VALUE obj = Data_Wrap_Struct(cBuffer, 0, 0, buf); buf->b_ruby_ref = (void *) obj; rb_hash_aset(objtbl, rb_obj_id(obj), obj); return obj; } } static buf_T *get_buf(VALUE obj) { buf_T *buf; Data_Get_Struct(obj, buf_T, buf); if (buf == NULL) rb_raise(eDeletedBufferError, "attempt to refer to deleted buffer"); return buf; } static VALUE buffer_s_current() { return buffer_new(curbuf); } static VALUE buffer_s_count() { buf_T *b; int n = 0; for (b = firstbuf; b != NULL; b = b->b_next) { /* Deleted buffers should not be counted * SegPhault - 01/07/05 */ if (b->b_p_bl) n++; } return INT2NUM(n); } static VALUE buffer_s_aref(VALUE self UNUSED, VALUE num) { buf_T *b; int n = NUM2INT(num); for (b = firstbuf; b != NULL; b = b->b_next) { /* Deleted buffers should not be counted * SegPhault - 01/07/05 */ if (!b->b_p_bl) continue; if (n == 0) return buffer_new(b); n--; } return Qnil; } static VALUE buffer_name(VALUE self) { buf_T *buf = get_buf(self); return buf->b_ffname ? rb_str_new2((char *)buf->b_ffname) : Qnil; } static VALUE buffer_number(VALUE self) { buf_T *buf = get_buf(self); return INT2NUM(buf->b_fnum); } static VALUE buffer_count(VALUE self) { buf_T *buf = get_buf(self); return INT2NUM(buf->b_ml.ml_line_count); } static VALUE get_buffer_line(buf_T *buf, linenr_T n) { if (n > 0 && n <= buf->b_ml.ml_line_count) { char *line = (char *)ml_get_buf(buf, n, FALSE); return line ? vim_str2rb_enc_str(line) : Qnil; } rb_raise(rb_eIndexError, "line number %ld out of range", (long)n); #ifndef __GNUC__ return Qnil; /* For stop warning */ #endif } static VALUE buffer_aref(VALUE self, VALUE num) { buf_T *buf = get_buf(self); if (buf != NULL) return get_buffer_line(buf, (linenr_T)NUM2LONG(num)); return Qnil; /* For stop warning */ } static VALUE set_buffer_line(buf_T *buf, linenr_T n, VALUE str) { char *line = StringValuePtr(str); aco_save_T aco; if (n > 0 && n <= buf->b_ml.ml_line_count && line != NULL) { /* set curwin/curbuf for "buf" and save some things */ aucmd_prepbuf(&aco, buf); if (u_savesub(n) == OK) { ml_replace(n, (char_u *)line, TRUE); changed(); #ifdef SYNTAX_HL syn_changed(n); /* recompute syntax hl. for this line */ #endif } /* restore curwin/curbuf and a few other things */ aucmd_restbuf(&aco); /* Careful: autocommands may have made "buf" invalid! */ update_curbuf(NOT_VALID); } else { rb_raise(rb_eIndexError, "line number %ld out of range", (long)n); #ifndef __GNUC__ return Qnil; /* For stop warning */ #endif } return str; } static VALUE buffer_aset(VALUE self, VALUE num, VALUE str) { buf_T *buf = get_buf(self); if (buf != NULL) return set_buffer_line(buf, (linenr_T)NUM2LONG(num), str); return str; } static VALUE buffer_delete(VALUE self, VALUE num) { buf_T *buf = get_buf(self); long n = NUM2LONG(num); aco_save_T aco; if (n > 0 && n <= buf->b_ml.ml_line_count) { /* set curwin/curbuf for "buf" and save some things */ aucmd_prepbuf(&aco, buf); if (u_savedel(n, 1) == OK) { ml_delete(n, 0); /* Changes to non-active buffers should properly refresh * SegPhault - 01/09/05 */ deleted_lines_mark(n, 1L); changed(); } /* restore curwin/curbuf and a few other things */ aucmd_restbuf(&aco); /* Careful: autocommands may have made "buf" invalid! */ update_curbuf(NOT_VALID); } else { rb_raise(rb_eIndexError, "line number %ld out of range", n); } return Qnil; } static VALUE buffer_append(VALUE self, VALUE num, VALUE str) { buf_T *buf = get_buf(self); char *line = StringValuePtr(str); long n = NUM2LONG(num); aco_save_T aco; if (line != NULL) { rb_raise(rb_eIndexError, "NULL line"); } else if (n >= 0 && n <= buf->b_ml.ml_line_count) { /* set curwin/curbuf for "buf" and save some things */ aucmd_prepbuf(&aco, buf); if (u_inssub(n + 1) == OK) { ml_append(n, (char_u *) line, (colnr_T) 0, FALSE); /* Changes to non-active buffers should properly refresh screen * SegPhault - 12/20/04 */ appended_lines_mark(n, 1L); changed(); } /* restore curwin/curbuf and a few other things */ aucmd_restbuf(&aco); /* Careful: autocommands may have made "buf" invalid! */ update_curbuf(NOT_VALID); } else { rb_raise(rb_eIndexError, "line number %ld out of range", n); } return str; } static VALUE window_new(win_T *win) { if (win->w_ruby_ref) { return (VALUE) win->w_ruby_ref; } else { VALUE obj = Data_Wrap_Struct(cVimWindow, 0, 0, win); win->w_ruby_ref = (void *) obj; rb_hash_aset(objtbl, rb_obj_id(obj), obj); return obj; } } static win_T *get_win(VALUE obj) { win_T *win; Data_Get_Struct(obj, win_T, win); if (win == NULL) rb_raise(eDeletedWindowError, "attempt to refer to deleted window"); return win; } static VALUE window_s_current() { return window_new(curwin); } /* * Added line manipulation functions * SegPhault - 03/07/05 */ static VALUE line_s_current() { return get_buffer_line(curbuf, curwin->w_cursor.lnum); } static VALUE set_current_line(VALUE self UNUSED, VALUE str) { return set_buffer_line(curbuf, curwin->w_cursor.lnum, str); } static VALUE current_line_number() { return INT2FIX((int)curwin->w_cursor.lnum); } static VALUE window_s_count() { #ifdef FEAT_WINDOWS win_T *w; int n = 0; for (w = firstwin; w != NULL; w = w->w_next) n++; return INT2NUM(n); #else return INT2NUM(1); #endif } static VALUE window_s_aref(VALUE self UNUSED, VALUE num) { win_T *w; int n = NUM2INT(num); #ifndef FEAT_WINDOWS w = curwin; #else for (w = firstwin; w != NULL; w = w->w_next, --n) #endif if (n == 0) return window_new(w); return Qnil; } static VALUE window_buffer(VALUE self) { win_T *win = get_win(self); return buffer_new(win->w_buffer); } static VALUE window_height(VALUE self) { win_T *win = get_win(self); return INT2NUM(win->w_height); } static VALUE window_set_height(VALUE self, VALUE height) { win_T *win = get_win(self); win_T *savewin = curwin; curwin = win; win_setheight(NUM2INT(height)); curwin = savewin; return height; } static VALUE window_width(VALUE self) { win_T *win = get_win(self); return INT2NUM(win->w_width); } static VALUE window_set_width(VALUE self, VALUE width) { win_T *win = get_win(self); win_T *savewin = curwin; curwin = win; win_setwidth(NUM2INT(width)); curwin = savewin; return width; } static VALUE window_cursor(VALUE self) { win_T *win = get_win(self); return rb_assoc_new(INT2NUM(win->w_cursor.lnum), INT2NUM(win->w_cursor.col)); } static VALUE window_set_cursor(VALUE self, VALUE pos) { VALUE lnum, col; win_T *win = get_win(self); Check_Type(pos, T_ARRAY); if (RARRAY_LEN(pos) != 2) rb_raise(rb_eArgError, "array length must be 2"); lnum = RARRAY_PTR(pos)[0]; col = RARRAY_PTR(pos)[1]; win->w_cursor.lnum = NUM2LONG(lnum); win->w_cursor.col = NUM2UINT(col); check_cursor(); /* put cursor on an existing line */ update_screen(NOT_VALID); return Qnil; } static VALUE f_p(int argc, VALUE *argv, VALUE self UNUSED) { int i; VALUE str = rb_str_new("", 0); for (i = 0; i < argc; i++) { if (i > 0) rb_str_cat(str, ", ", 2); rb_str_concat(str, rb_inspect(argv[i])); } MSG(RSTRING_PTR(str)); return Qnil; } static void ruby_io_init(void) { #ifndef DYNAMIC_RUBY RUBYEXTERN VALUE rb_stdout; #endif rb_stdout = rb_obj_alloc(rb_cObject); rb_define_singleton_method(rb_stdout, "write", vim_message, 1); rb_define_global_function("p", f_p, -1); } static void ruby_vim_init(void) { objtbl = rb_hash_new(); rb_global_variable(&objtbl); /* The Vim module used to be called "VIM", but "Vim" is better. Make an * alias "VIM" for backwards compatiblity. */ mVIM = rb_define_module("Vim"); rb_define_const(rb_cObject, "VIM", mVIM); rb_define_const(mVIM, "VERSION_MAJOR", INT2NUM(VIM_VERSION_MAJOR)); rb_define_const(mVIM, "VERSION_MINOR", INT2NUM(VIM_VERSION_MINOR)); rb_define_const(mVIM, "VERSION_BUILD", INT2NUM(VIM_VERSION_BUILD)); rb_define_const(mVIM, "VERSION_PATCHLEVEL", INT2NUM(VIM_VERSION_PATCHLEVEL)); rb_define_const(mVIM, "VERSION_SHORT", rb_str_new2(VIM_VERSION_SHORT)); rb_define_const(mVIM, "VERSION_MEDIUM", rb_str_new2(VIM_VERSION_MEDIUM)); rb_define_const(mVIM, "VERSION_LONG", rb_str_new2(VIM_VERSION_LONG)); rb_define_const(mVIM, "VERSION_LONG_DATE", rb_str_new2(VIM_VERSION_LONG_DATE)); rb_define_module_function(mVIM, "message", vim_message, 1); rb_define_module_function(mVIM, "set_option", vim_set_option, 1); rb_define_module_function(mVIM, "command", vim_command, 1); rb_define_module_function(mVIM, "evaluate", vim_evaluate, 1); eDeletedBufferError = rb_define_class_under(mVIM, "DeletedBufferError", rb_eStandardError); eDeletedWindowError = rb_define_class_under(mVIM, "DeletedWindowError", rb_eStandardError); cBuffer = rb_define_class_under(mVIM, "Buffer", rb_cObject); rb_define_singleton_method(cBuffer, "current", buffer_s_current, 0); rb_define_singleton_method(cBuffer, "count", buffer_s_count, 0); rb_define_singleton_method(cBuffer, "[]", buffer_s_aref, 1); rb_define_method(cBuffer, "name", buffer_name, 0); rb_define_method(cBuffer, "number", buffer_number, 0); rb_define_method(cBuffer, "count", buffer_count, 0); rb_define_method(cBuffer, "length", buffer_count, 0); rb_define_method(cBuffer, "[]", buffer_aref, 1); rb_define_method(cBuffer, "[]=", buffer_aset, 2); rb_define_method(cBuffer, "delete", buffer_delete, 1); rb_define_method(cBuffer, "append", buffer_append, 2); /* Added line manipulation functions * SegPhault - 03/07/05 */ rb_define_method(cBuffer, "line_number", current_line_number, 0); rb_define_method(cBuffer, "line", line_s_current, 0); rb_define_method(cBuffer, "line=", set_current_line, 1); cVimWindow = rb_define_class_under(mVIM, "Window", rb_cObject); rb_define_singleton_method(cVimWindow, "current", window_s_current, 0); rb_define_singleton_method(cVimWindow, "count", window_s_count, 0); rb_define_singleton_method(cVimWindow, "[]", window_s_aref, 1); rb_define_method(cVimWindow, "buffer", window_buffer, 0); rb_define_method(cVimWindow, "height", window_height, 0); rb_define_method(cVimWindow, "height=", window_set_height, 1); rb_define_method(cVimWindow, "width", window_width, 0); rb_define_method(cVimWindow, "width=", window_set_width, 1); rb_define_method(cVimWindow, "cursor", window_cursor, 0); rb_define_method(cVimWindow, "cursor=", window_set_cursor, 1); rb_define_virtual_variable("$curbuf", buffer_s_current, 0); rb_define_virtual_variable("$curwin", window_s_current, 0); }