/
if_ruby.c
1325 lines (1179 loc) · 34 KB
/
if_ruby.c
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/* 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)
* with improvements by Jon Maken
*
* 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.
*/
#ifdef HAVE_CONFIG_H
# include "auto/config.h"
#endif
#include <stdio.h>
#include <string.h>
#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
#ifdef DYNAMIC_RUBY
/*
* 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.
*/
# 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 "__declspec(dllimport)"
* in ruby.h. But it causes 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
#if !(defined(WIN32) || defined(_WIN64))
# include <dlfcn.h>
# define HINSTANCE void*
# define RUBY_PROC void*
# define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL)
# define symbol_from_dll dlsym
# define close_dll dlclose
#else
# define RUBY_PROC FARPROC
# define load_dll vimLoadLib
# define symbol_from_dll GetProcAddress
# define close_dll FreeLibrary
#endif
#endif /* ifdef DYNAMIC_RUBY */
/* suggested by Ariya Mizutani */
#if (_MSC_VER == 1200)
# undef _WIN32_WINNT
#endif
#if (defined(RUBY_VERSION) && RUBY_VERSION >= 19) \
|| (defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 19)
# define RUBY19_OR_LATER 1
#endif
#if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 19
/* Ruby 1.9 defines a number of static functions which use rb_num2long and
* rb_int2big */
# define rb_num2long rb_num2long_stub
# define rb_int2big rb_int2big_stub
#endif
#ifdef FEAT_GUI_MACVIM
# include <Ruby/ruby.h>
#else
# include <ruby.h>
#endif
#ifdef RUBY19_OR_LATER
# include <ruby/encoding.h>
#endif
#undef off_t /* ruby defines off_t as _int64, Mingw uses long */
#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
#ifndef RUBY19_OR_LATER
#define rb_num2long dll_rb_num2long
#endif
#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_str_cat dll_rb_str_cat
#define rb_str_concat dll_rb_str_concat
#define rb_str_new dll_rb_str_new
#ifdef rb_str_new2
/* Ruby may #define rb_str_new2 to use rb_str_new_cstr. */
# define need_rb_str_new_cstr 1
/* Ruby's headers #define rb_str_new_cstr to make use of GCC's
* __builtin_constant_p extension. */
# undef rb_str_new_cstr
# define rb_str_new_cstr dll_rb_str_new_cstr
#else
# define rb_str_new2 dll_rb_str_new2
#endif
#if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 18
# define rb_string_value dll_rb_string_value
# define rb_string_value_ptr dll_rb_string_value_ptr
# define rb_float_new dll_rb_float_new
# define rb_ary_new dll_rb_ary_new
# define rb_ary_push dll_rb_ary_push
#else
# define rb_str2cstr dll_rb_str2cstr
#endif
#ifdef RUBY19_OR_LATER
# 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
#ifdef WIN3264
# define NtInitialize dll_NtInitialize
# if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 18
# define rb_w32_snprintf dll_rb_w32_snprintf
# endif
#endif
#ifdef RUBY19_OR_LATER
# 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
# define rb_require dll_rb_require
# define ruby_init_stack dll_ruby_init_stack
# define ruby_process_options dll_ruby_process_options
#endif
/*
* Pointers for dynamic link
*/
static VALUE (*dll_rb_assoc_new) (VALUE, VALUE);
VALUE *dll_rb_cFalseClass;
VALUE *dll_rb_cFixnum;
VALUE *dll_rb_cNilClass;
static VALUE *dll_rb_cObject;
VALUE *dll_rb_cSymbol;
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*, ...);
#if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 18
static VALUE (*dll_rb_string_value) (volatile VALUE*);
#else
static char *(*dll_rb_str2cstr) (VALUE,int*);
#endif
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);
#ifdef need_rb_str_new_cstr
/* Ruby may #define rb_str_new2 to use rb_str_new_cstr. */
static VALUE (*dll_rb_str_new_cstr) (const char*);
#else
static VALUE (*dll_rb_str_new2) (const char*);
#endif
#ifdef RUBY19_OR_LATER
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);
#ifdef WIN3264
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
#endif
#if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 18
static char * (*dll_rb_string_value_ptr) (volatile VALUE*);
static VALUE (*dll_rb_float_new) (double);
static VALUE (*dll_rb_ary_new) (void);
static VALUE (*dll_rb_ary_push) (VALUE, VALUE);
#endif
#ifdef RUBY19_OR_LATER
static VALUE (*dll_rb_int2big)(SIGNED_VALUE);
#endif
#ifdef RUBY19_OR_LATER
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*, ...);
static VALUE (*dll_rb_require) (const char*);
static void (*ruby_init_stack)(VALUE*);
static void* (*ruby_process_options)(int, char**);
#endif
#ifdef RUBY19_OR_LATER
SIGNED_VALUE rb_num2long_stub(VALUE x)
{
return dll_rb_num2long(x);
}
VALUE rb_int2big_stub(SIGNED_VALUE x)
{
return dll_rb_int2big(x);
}
#endif
static HINSTANCE hinstRuby = NULL; /* Instance of ruby.dll */
/*
* Table of name to function pointer of ruby.
*/
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},
#if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 18
{"rb_string_value", (RUBY_PROC*)&dll_rb_string_value},
#else
{"rb_str2cstr", (RUBY_PROC*)&dll_rb_str2cstr},
#endif
{"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},
#ifdef need_rb_str_new_cstr
{"rb_str_new_cstr", (RUBY_PROC*)&dll_rb_str_new_cstr},
#else
{"rb_str_new2", (RUBY_PROC*)&dll_rb_str_new2},
#endif
#ifdef RUBY19_OR_LATER
{"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},
#ifdef WIN3264
{
# if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER < 19
"NtInitialize",
# else
"ruby_sysinit",
# endif
(RUBY_PROC*)&dll_NtInitialize},
# if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 18
{"rb_w32_snprintf", (RUBY_PROC*)&dll_rb_w32_snprintf},
# endif
#endif
#if defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 18
{"rb_string_value_ptr", (RUBY_PROC*)&dll_rb_string_value_ptr},
{"rb_float_new", (RUBY_PROC*)&dll_rb_float_new},
{"rb_ary_new", (RUBY_PROC*)&dll_rb_ary_new},
{"rb_ary_push", (RUBY_PROC*)&dll_rb_ary_push},
#endif
#ifdef RUBY19_OR_LATER
{"rb_int2big", (RUBY_PROC*)&dll_rb_int2big},
{"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},
{"rb_require", (RUBY_PROC*)&dll_rb_require},
{"ruby_init_stack", (RUBY_PROC*)&dll_ruby_init_stack},
{"ruby_process_options", (RUBY_PROC*)&dll_ruby_process_options},
#endif
{"", NULL},
};
/*
* Free ruby.dll
*/
static void
end_dynamic_ruby()
{
if (hinstRuby)
{
close_dll(hinstRuby);
hinstRuby = NULL;
}
}
/*
* 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 = load_dll(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 = symbol_from_dll(hinstRuby,
ruby_funcname_table[i].name)))
{
close_dll(hinstRuby);
hinstRuby = NULL;
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)
{
#ifdef RUBY19_OR_LATER
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)
{
#ifdef RUBY19_OR_LATER
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;
line = 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
{
#ifdef RUBY19_OR_LATER
RUBY_INIT_STACK;
#endif
ruby_init();
}
#ifdef RUBY19_OR_LATER
{
int dummy_argc = 2;
char *dummy_argv[] = {"vim-ruby", "-e0"};
ruby_process_options(dummy_argc, dummy_argv);
}
ruby_script("vim-ruby");
#else
ruby_init_loadpath();
#endif
ruby_io_init();
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) \
&& !(defined(DYNAMIC_RUBY_VER) && DYNAMIC_RUBY_VER >= 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:
#ifdef RUBY19_OR_LATER
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);
if (RSTRING_LEN(str) > 0)
{
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;
}
#ifdef FEAT_EVAL
static VALUE vim_to_ruby(typval_T *tv)
{
VALUE result = Qnil;
if (tv->v_type == VAR_STRING)
{
result = rb_str_new2(tv->vval.v_string == NULL
? "" : (char *)(tv->vval.v_string));
}
else if (tv->v_type == VAR_NUMBER)
{
result = INT2NUM(tv->vval.v_number);
}
# ifdef FEAT_FLOAT
else if (tv->v_type == VAR_FLOAT)
{
result = rb_float_new(tv->vval.v_float);
}
# endif
else if (tv->v_type == VAR_LIST)
{
list_T *list = tv->vval.v_list;
listitem_T *curr;
result = rb_ary_new();
if (list != NULL)
{
for (curr = list->lv_first; curr != NULL; curr = curr->li_next)
{
rb_ary_push(result, vim_to_ruby(&curr->li_tv));
}
}
}
else if (tv->v_type == VAR_DICT)
{
result = rb_hash_new();
if (tv->vval.v_dict != NULL)
{
hashtab_T *ht = &tv->vval.v_dict->dv_hashtab;
long_u todo = ht->ht_used;
hashitem_T *hi;
dictitem_T *di;
for (hi = ht->ht_array; todo > 0; ++hi)
{
if (!HASHITEM_EMPTY(hi))
{
--todo;
di = dict_lookup(hi);
rb_hash_aset(result, rb_str_new2((char *)hi->hi_key),
vim_to_ruby(&di->di_tv));
}
}
}
} /* else return Qnil; */
return result;
}
#endif
static VALUE vim_evaluate(VALUE self UNUSED, VALUE str)
{
#ifdef FEAT_EVAL
typval_T *tv;
VALUE result;
tv = eval_expr((char_u *)StringValuePtr(str), NULL);
if (tv == NULL)
{
return Qnil;
}
result = vim_to_ruby(tv);
free_tv(tv);
return result;
#else
return Qnil;
#endif
}
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)
rb_raise(rb_eIndexError, "line number %ld out of range", (long)n);
return vim_str2rb_enc_str((char *)ml_get_buf(buf, n, FALSE));
}
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! */